============================================================================================================================================== OFFSET 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F ---------------------------------------------------------------------------------------------------------------------------------------------- 00000000 3F 5F 03 00 A4 00 00 00 FF FF FF FF A4 7A 00 00 94 00 00 00 8B 00 00 00 00 6C 03 15 00 01 00 60 ?_♥.ñ... ñz..ö...ï....l♥§.☺.` 00000020 17 3C 2E 00 00 01 00 10 00 4D 50 45 47 50 6C 61 79 65 72 20 48 65 6C 70 00 03 00 04 00 00 00 00 ↨<...☺.►.MPEGPlayer Help.♥.♦.... 00000040 00 02 00 01 00 00 06 00 5A 00 FF 02 6D 61 69 6E 00 51 00 00 00 00 6D 61 69 6E 00 20 0F 00 2F 4D .☻.☺..♠.Z. ☻main.Q....main. ☼./M 00000060 50 45 47 20 50 6C 61 79 65 72 20 56 31 2E 36 30 20 48 65 6C 70 00 CA 51 36 22 D6 51 00 00 0F 00 PEG Player V1.60 Help.╩Q6"╓Q..☼. 00000080 6D 00 23 00 23 00 12 52 A5 2B 0F 40 68 08 2F 40 04 05 00 00 00 00 E8 03 BC 02 00 00 01 00 74 1C m.#.#.↕RÑ+☼@h◘/@♦♣....Φ♥╝☻..☺.t∟ 000000A0 C0 C0 C0 00 2F 04 00 00 26 04 00 00 04 3B 29 02 04 00 04 7A 34 00 00 00 00 00 00 00 00 00 00 00 └└└./♦..&♦..♦;)☻♦.♦z4........... 000000C0 00 00 00 00 00 00 00 00 00 FF FF 01 00 01 00 06 00 00 00 AF 03 06 00 FF FF FF FF 7C 43 4F 4E 54 ......... ☺.☺.♠...»♥♠. |CONT 000000E0 45 58 54 00 75 72 00 00 7C 43 54 58 4F 4D 41 50 00 3B 6A 00 00 7C 46 4F 4E 54 00 1F 69 00 00 7C EXT.ur..|CTXOMAP.;j..|FONT.▼i..| 00000100 53 59 53 54 45 4D 00 10 00 00 00 7C 54 4F 50 49 43 00 D3 04 00 00 7C 54 54 4C 42 54 52 45 45 00 SYSTEM.►...|TOPIC.╙♦..|TTLBTREE. 00000120 46 6A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Fj.............................. 00000140 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 00000160 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 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X...1...☻‼☻. 00000500 00 FF FF FF FF FF FF FF FF 00 00 00 00 FF FF FF FF 58 00 00 00 1F 02 00 00 4D 50 45 47 50 4C 41 . .... X...▼☻..MPEGPLA 00000520 59 45 52 20 56 31 2E 36 30 20 48 45 4C 50 20 49 4E 44 45 58 35 00 00 00 12 00 00 00 0C 00 00 00 YER V1.60 HELP INDEX5...↕...♀... 00000540 8D 00 00 00 23 00 00 00 20 16 80 24 00 80 00 00 00 08 80 03 00 82 FF 00 4D 50 45 47 50 4C 41 59 ì...#... ▬Ç$.Ç...◘Ç♥.é .MPEGPLAY 00000560 20 49 6E 64 65 78 20 00 00 92 01 00 00 1E 01 00 00 58 00 00 00 1F 02 00 00 74 00 00 00 20 B6 80 Index ..Æ☺..▲☺..X...▼☻..t... ╢Ç 00000580 3D 02 00 80 00 00 00 00 80 04 00 82 E3 FC 69 1B 00 80 05 00 89 82 E3 98 88 0F 06 89 82 E3 92 F3 =☻.Ç....Ç♦.éπⁿi←.Ç♣.ëéπÿê☼♠ëéπÆ≤ 000005A0 83 B4 89 82 E3 6A 66 1D C0 89 82 E3 49 BA 1D 00 89 82 82 80 06 00 82 E3 0C 5E 75 07 80 05 00 89 â┤ëéπjf↔└ëéπI║↔.ëééÇ♠.éπ♀^u•Ç♣.ë 000005C0 82 E3 74 DC E9 D9 89 82 E3 1F BF 64 7F 89 82 E3 DE 3F 4A C3 89 82 82 80 07 00 81 81 FF 00 43 6F éπt▄Θ┘ëéπ▼┐d⌂ëéπ▐?J├ëééÇ•.üü .Co 000005E0 6D 6D 61 6E 64 73 20 00 00 00 46 69 6C 65 20 4D 65 6E 75 00 20 00 00 4D 6F 76 69 65 20 4D 65 6E mmands ...File Menu. ..Movie Men 00000600 75 00 20 00 00 44 69 74 68 65 72 73 20 4D 65 6E 75 00 20 00 00 4F 70 74 69 6F 6E 73 20 4D 65 6E u. ..Dithers Menu. ..Options Men 00000620 75 00 20 00 00 48 65 6C 70 20 4D 65 6E 75 00 20 00 00 00 52 65 66 65 72 65 6E 63 65 20 00 00 00 u. ..Help Menu. ...Reference ... 00000640 54 69 74 6C 65 20 70 61 67 65 00 20 00 00 41 6E 20 49 6E 74 72 6F 64 75 63 74 69 6F 6E 20 74 6F Title page. ..An Introduction to 00000660 20 4D 50 45 47 00 20 00 00 48 6F 77 20 74 6F 20 72 65 67 69 73 74 65 72 20 79 6F 75 72 20 63 6F MPEG. ..How to register your co 00000680 70 79 20 6F 66 20 4D 50 45 47 50 4C 41 59 00 20 00 00 44 69 73 63 6C 61 69 6D 65 72 20 28 50 6C py of MPEGPLAY. ..Disclaimer (Pl 000006A0 65 61 73 65 20 52 65 61 64 21 29 00 20 00 00 00 57 69 6E 64 6F 77 73 20 4E 54 2C 20 57 69 6E 33 ease Read!). ...Windows NT, Win3 000006C0 32 20 61 6E 64 20 57 69 6E 33 32 73 20 61 72 65 20 74 72 61 64 65 6D 61 72 6B 73 20 6F 66 20 74 2 and Win32s are trademarks of t 000006E0 68 65 20 4D 69 63 72 6F 73 6F 66 74 20 43 6F 72 70 61 72 61 74 69 6F 6E 00 00 00 56 00 00 00 25 he Microsoft Corparation...V...% 00000700 00 00 00 8D 00 00 00 75 02 00 00 31 00 00 00 02 CE 03 00 00 FF FF FF FF FF FF FF FF 01 00 00 00 ...ì...u☻..1...☻╬♥.. ☺... 00000720 FF FF FF FF 75 02 00 00 ED 05 00 00 4D 50 45 47 50 4C 41 59 20 61 6E 20 4D 50 45 47 20 70 6C 61 u☻..φ♣..MPEGPLAY an MPEG pla 00000740 79 65 72 20 66 6F 72 20 57 69 6E 33 32 28 74 6D 29 84 00 00 00 5B 00 00 00 1F 02 00 00 F9 02 00 yer for Win32(tm)ä...[...▼☻..∙☻. 00000760 00 29 00 00 00 20 22 80 B6 00 80 00 00 00 08 80 08 00 82 80 09 00 82 82 82 FF 00 4D 50 45 47 50 .)... "Ç╢.Ç...◘Ç◘.éÇ○.ééé .MPEGP 00000780 4C 41 59 00 00 41 20 4D 50 45 47 20 70 6C 61 79 65 72 20 66 6F 72 20 57 69 6E 33 32 28 74 6D 29 LAY..A MPEG player for Win32(tm) 000007A0 20 61 6E 64 20 57 69 6E 33 32 73 28 74 6D 29 20 00 28 63 29 20 31 39 39 33 2C 31 39 39 34 20 62 and Win32s(tm) .(c) 1993,1994 b 000007C0 79 20 4D 69 63 68 61 65 6C 20 53 69 6D 6D 6F 6E 73 20 00 00 00 9A 02 00 00 6D 02 00 00 75 02 00 y Michael Simmons ...Ü☻..m☻..u☻. 000007E0 00 93 05 00 00 2D 00 00 00 20 28 80 DB 04 00 80 00 00 00 00 80 0A 00 82 82 82 80 0B 00 80 0A 00 .ô♣..-... (Ç█♦.Ç....Ç◙.éééÇ♂.Ç◙. 00000800 82 FF 00 4D 50 45 47 50 4C 41 59 20 69 73 20 61 20 70 72 6F 67 72 61 6D 20 74 68 61 74 20 65 6E é .MPEGPLAY is a program that en 00000820 61 62 6C 65 73 20 79 6F 75 20 74 6F 20 70 6C 61 79 20 62 61 63 6B 20 4D 50 45 47 20 65 6E 63 6F ables you to play back MPEG enco 00000840 64 65 64 20 44 69 67 69 74 61 6C 20 56 69 64 65 6F 20 46 69 6C 65 73 2E 00 4D 50 45 47 20 69 73 ded Digital Video Files..MPEG is 00000860 20 61 6E 20 49 6E 74 65 72 6E 61 74 69 6F 6E 61 6C 20 73 74 61 6E 64 61 72 64 20 66 6F 72 20 74 an International standard for t 00000880 68 65 20 65 6E 63 6F 64 69 6E 67 20 6F 66 20 56 69 64 65 6F 2E 00 54 68 65 20 63 6F 64 65 20 77 he encoding of Video..The code w 000008A0 61 73 20 64 65 72 69 76 65 64 20 66 72 6F 6D 20 74 68 65 20 42 65 72 6B 65 6C 65 79 20 4D 50 45 as derived from the Berkeley MPE 000008C0 47 20 56 69 64 65 6F 20 53 6F 66 74 77 61 72 65 20 44 65 63 6F 64 65 72 20 64 65 76 65 6C 6F 70 G Video Software Decoder develop 000008E0 65 64 20 61 74 20 74 68 65 20 55 6E 69 76 65 72 73 69 74 79 20 6F 66 20 43 61 6C 69 66 6F 72 6E ed at the University of Californ 00000900 69 61 20 61 74 20 42 65 72 6B 65 6C 65 79 20 62 79 20 4C 61 77 72 65 6E 63 65 20 41 2E 20 52 6F ia at Berkeley by Lawrence A. Ro 00000920 77 65 2C 20 4B 65 74 61 6E 20 50 61 74 65 6C 2C 20 61 6E 64 20 42 72 69 61 6E 20 53 6D 69 74 68 we, Ketan Patel, and Brian Smith 00000940 2E 49 74 20 68 61 73 20 62 65 65 6E 20 70 6F 72 74 65 64 20 61 6E 64 20 6F 70 74 69 6D 69 73 65 .It has been ported and optimise 00000960 64 20 66 6F 72 20 74 68 65 20 57 49 4E 33 32 28 74 6D 29 20 57 69 6E 64 6F 77 73 20 73 79 73 74 d for the WIN32(tm) Windows syst 00000980 65 6D 20 62 79 20 4D 69 63 68 61 65 6C 20 53 69 6D 6D 6F 6E 73 00 54 68 69 73 20 70 6F 72 74 20 em by Michael Simmons.This port 000009A0 69 73 20 00 73 68 61 72 65 77 61 72 65 2E 00 49 66 20 79 6F 75 20 66 69 6E 64 20 74 68 69 73 20 is .shareware..If you find this 000009C0 70 72 6F 67 72 61 6D 20 75 73 65 66 75 6C 20 74 68 65 6E 20 79 6F 75 20 6D 75 73 74 20 72 65 67 program useful then you must reg 000009E0 69 73 74 65 72 20 69 74 2E 20 42 79 20 72 65 67 69 73 74 65 72 69 6E 67 20 79 6F 75 72 20 63 6F ister it. By registering your co 00000A00 70 79 20 79 6F 75 20 77 69 6C 6C 20 61 6C 73 6F 20 61 73 73 69 73 74 20 69 6E 20 74 68 65 20 66 py you will also assist in the f 00000A20 75 6E 64 69 6E 67 20 6F 66 20 66 75 74 75 72 65 20 65 6E 68 61 6E 63 65 6D 65 6E 74 73 20 61 6E unding of future enhancements an 00000A40 64 20 62 75 67 20 66 69 78 65 73 20 74 6F 20 74 68 65 20 63 75 72 72 65 6E 74 20 57 69 6E 33 32 d bug fixes to the current Win32 00000A60 28 74 6D 29 20 50 6C 61 79 65 72 2E 20 00 00 5A 00 00 00 2A 00 00 00 F9 02 00 00 ED 05 00 00 30 (tm) Player. ..Z...*...∙☻..φ♣..0 00000A80 00 00 00 20 30 80 54 00 80 00 00 00 00 E3 8A 55 F4 25 80 0C 00 89 82 E3 1F BF 64 7F 89 82 FF 00 ... 0ÇT.Ç....πèU⌠%Ç♀.ëéπ▼┐d⌂ëé . 00000AA0 00 52 65 74 75 72 6E 20 74 6F 20 43 6F 6E 74 65 6E 74 73 00 20 00 00 48 6F 77 20 74 6F 20 52 65 .Return to Contents. ..How to Re 00000AC0 67 69 73 74 65 72 00 00 00 31 00 00 00 00 00 00 00 93 05 00 00 1E 06 00 00 31 00 00 00 02 45 02 gister...1.......ô♣..▲♠..1...☻E☻ 00000AE0 00 00 FF FF FF FF FF FF FF FF 02 00 00 00 FF FF FF FF 1E 06 00 00 32 08 00 00 42 00 00 00 16 00 .. ☻... ▲♠..2◘..B...▬. 00000B00 00 00 ED 05 00 00 60 06 00 00 2C 00 00 00 20 28 80 2C 00 80 00 00 00 00 80 09 00 82 82 80 06 00 ..φ♣..`♠..,... (Ç,.Ç....Ç○.ééÇ♠. 00000B20 82 80 09 00 82 FF 00 00 00 00 54 68 65 20 46 69 6C 65 20 4D 65 6E 75 20 00 00 00 00 8B 01 00 00 éÇ○.é ....The File Menu ....ï☺.. 00000B40 3E 01 00 00 1E 06 00 00 EB 07 00 00 4D 00 00 00 20 68 80 7D 02 00 80 00 00 00 02 82 21 01 80 06 >☺..▲♠..δ•..M... hÇ}☻.Ç...☻é!☺Ç♠ 00000B60 00 80 09 00 83 82 80 06 00 80 09 00 83 82 80 06 00 80 09 00 83 82 80 06 00 80 09 00 83 82 83 82 .Ç○.âéÇ♠.Ç○.âéÇ♠.Ç○.âéÇ♠.Ç○.âéâé 00000B80 80 06 00 80 09 00 83 82 FF 00 4F 70 65 6E 20 00 00 2D 20 4F 70 65 6E 73 20 61 20 6D 6F 76 69 65 Ç♠.Ç○.âé .Open ..- Opens a movie 00000BA0 20 66 69 6C 65 2E 00 00 53 61 76 65 20 41 73 20 00 00 2D 20 53 61 76 65 73 20 74 68 65 20 63 75 file...Save As ..- Saves the cu 00000BC0 72 72 65 6E 74 20 4D 50 45 47 20 66 69 6C 65 20 75 6E 64 65 72 20 61 6E 6F 74 68 65 72 20 6E 61 rrent MPEG file under another na 00000BE0 6D 65 2E 00 00 43 6C 6F 73 65 20 00 00 2D 20 43 6C 6F 73 65 73 20 61 20 6D 6F 76 69 65 20 66 69 me...Close ..- Closes a movie fi 00000C00 6C 65 2E 00 00 53 70 6C 69 74 20 4D 50 45 47 20 00 00 2D 20 53 70 6C 69 74 73 20 61 20 6D 75 6C le...Split MPEG ..- Splits a mul 00000C20 74 69 73 74 72 65 61 6D 20 4D 50 45 47 20 69 6E 74 6F 20 73 65 70 65 72 61 74 65 20 66 69 6C 65 tistream MPEG into seperate file 00000C40 73 20 63 61 6C 6C 20 73 74 6D 78 78 78 2E 6D 70 67 00 00 20 20 57 68 65 72 65 20 78 78 78 20 69 s call stmxxx.mpg.. Where xxx i 00000C60 73 20 74 68 65 20 73 74 72 65 61 6D 20 4E 75 6D 62 65 72 20 28 31 39 32 2D 32 32 33 20 61 72 65 s the stream Number (192-223 are 00000C80 20 41 75 64 69 6F 2C 32 32 34 2D 32 33 39 20 61 72 65 20 56 69 64 65 6F 2C 31 39 30 20 69 73 20 Audio,224-239 are Video,190 is 00000CA0 70 61 64 64 69 6E 67 29 2E 00 00 45 78 69 74 20 00 00 2D 20 45 78 69 74 73 20 74 68 65 20 50 6C padding)...Exit ..- Exits the Pl 00000CC0 61 79 65 72 2E 00 00 47 00 00 00 1A 00 00 00 60 06 00 00 32 08 00 00 2D 00 00 00 20 2A 80 34 00 ayer...G...→...`♠..2◘..-... *Ç4. 00000CE0 80 00 00 00 00 80 09 00 82 E3 8A 55 F4 25 80 05 00 89 82 FF 00 00 00 00 52 65 74 75 72 6E 20 74 Ç....Ç○.éπèU⌠%Ç♣.ëé ....Return t 00000D00 6F 20 43 6F 6E 74 65 6E 74 73 00 20 00 00 31 00 00 00 00 00 00 00 EB 07 00 00 63 08 00 00 31 00 o Contents. ..1.......δ•..c◘..1. 00000D20 00 00 02 4F 02 00 00 FF FF FF FF FF FF FF FF 03 00 00 00 FF FF FF FF 63 08 00 00 81 0A 00 00 85 ..☻O☻.. ♥... c◘..ü◙..à 00000D40 00 00 00 58 00 00 00 32 08 00 00 E8 08 00 00 2D 00 00 00 20 2A 80 B0 00 80 00 00 00 00 80 09 00 ...X...2◘..Φ◘..-... *Ç░.Ç....Ç○. 00000D60 82 80 06 00 82 80 09 00 82 82 82 FF 00 00 00 54 68 65 20 4D 6F 76 69 65 20 4D 65 6E 75 20 00 00 éÇ♠.éÇ○.ééé ...The Movie Menu .. 00000D80 00 54 68 65 20 4D 6F 76 69 65 20 6D 65 6E 75 20 69 73 20 75 73 65 64 20 74 6F 20 63 6F 6E 74 72 .The Movie menu is used to contr 00000DA0 6F 6C 20 74 68 65 20 70 6C 61 79 69 6E 67 20 6F 66 20 74 68 65 20 6D 6F 76 69 65 20 66 69 6C 65 ol the playing of the movie file 00000DC0 2E 00 00 00 99 01 00 00 43 01 00 00 63 08 00 00 81 0A 00 00 56 00 00 00 20 7A 80 87 02 00 80 00 ....Ö☺..C☺..c◘..ü◙..V... zÇç☻.Ç. 00000DE0 00 00 00 80 06 00 80 09 00 83 83 81 80 06 00 80 09 00 83 83 81 80 06 00 80 09 00 83 83 81 80 06 ...Ç♠.Ç○.ââüÇ♠.Ç○.ââüÇ♠.Ç○.ââüÇ♠ 00000E00 00 80 09 00 83 81 80 06 00 80 09 00 83 81 82 E3 8A 55 F4 25 80 05 00 89 82 FF 00 53 74 6F 70 20 .Ç○.âüÇ♠.Ç○.âüéπèU⌠%Ç♣.ëé .Stop 00000E20 00 00 00 2D 20 53 74 6F 70 73 20 74 68 65 20 50 6C 61 79 65 72 2E 00 00 50 6C 61 79 20 00 00 00 ...- Stops the Player...Play ... 00000E40 2D 20 53 74 61 72 74 73 20 74 68 65 20 50 6C 61 79 65 72 20 70 6C 61 79 69 6E 67 2E 00 00 52 65 - Starts the Player playing...Re 00000E60 77 69 6E 64 20 00 00 00 2D 20 52 65 77 69 6E 64 73 20 74 68 65 20 4D 6F 76 69 65 20 74 6F 20 74 wind ...- Rewinds the Movie to t 00000E80 68 65 20 62 65 67 69 6E 69 6E 67 2E 20 49 66 20 74 68 65 20 6D 6F 76 69 65 20 77 61 73 20 70 6C he begining. If the movie was pl 00000EA0 61 79 69 6E 67 20 69 74 20 69 73 20 72 65 73 74 61 72 74 65 64 20 61 74 20 74 68 65 20 62 65 67 aying it is restarted at the beg 00000EC0 69 6E 69 6E 67 00 00 41 64 76 61 6E 63 65 20 00 00 2D 20 41 64 76 61 6E 63 65 73 20 74 68 65 20 ining..Advance ..- Advances the 00000EE0 4D 6F 76 69 65 20 6F 6E 65 20 66 72 61 6D 65 2E 00 00 54 69 6D 65 64 20 50 6C 61 79 20 00 00 2D Movie one frame...Timed Play ..- 00000F00 20 50 6C 61 79 73 20 74 68 65 20 6D 6F 76 69 65 20 61 6E 64 20 74 68 65 6E 20 44 69 73 70 6C 61 Plays the movie and then Displa 00000F20 79 73 20 74 68 65 20 4E 75 6D 62 65 72 20 6F 66 20 46 72 61 6D 65 73 20 70 65 72 20 53 65 63 6F ys the Number of Frames per Seco 00000F40 6E 64 2E 00 00 00 00 52 65 74 75 72 6E 20 74 6F 20 43 6F 6E 74 65 6E 74 73 00 20 00 00 40 00 00 nd.....Return to Contents. ..@.. 00000F60 00 0F 00 00 00 E8 08 00 00 C1 0A 00 00 31 00 00 00 02 16 04 00 00 FF FF FF FF FF FF FF FF 04 00 .☼...Φ◘..┴◙..1...☻▬♦.. ♦. 00000F80 00 00 FF FF FF FF C1 0A 00 00 97 0E 00 00 54 68 65 20 44 69 74 68 65 72 20 4D 65 6E 75 D4 00 00 .. ┴◙..ù♫..The Dither Menu╘.. 00000FA0 00 A5 00 00 00 81 0A 00 00 95 0B 00 00 2F 00 00 00 20 2C 80 4B 01 00 80 00 00 00 00 80 09 00 82 .Ñ...ü◙..ò♂../... ,ÇK☺.Ç....Ç○.é 00000FC0 80 06 00 82 80 09 00 82 82 82 82 FF 00 00 00 54 68 65 20 44 69 74 68 65 72 20 4D 65 6E 75 20 00 Ç♠.éÇ○.éééé ...The Dither Menu . 00000FE0 00 00 54 68 65 20 44 69 74 68 65 72 20 6D 65 6E 75 20 69 73 20 75 73 65 64 20 74 6F 20 73 65 6C ..The Dither menu is used to sel 00001000 65 63 74 20 61 20 64 69 74 68 65 72 69 6E 67 20 61 6C 67 6F 6C 69 74 68 6D 20 75 73 65 64 20 74 ect a dithering algolithm used t 00001020 6F 20 74 72 61 6E 73 6C 61 74 65 00 74 68 65 20 38 20 62 69 74 20 4C 75 6D 69 6E 61 6E 63 65 2C o translate.the 8 bit Luminance, 00001040 20 38 20 62 69 74 20 43 72 20 61 6E 64 20 74 68 65 20 38 20 62 69 74 20 43 62 20 69 6E 74 6F 20 8 bit Cr and the 8 bit Cb into 00001060 61 20 57 69 6E 64 6F 77 73 20 44 49 42 2E 00 00 00 C1 02 00 00 4A 02 00 00 C1 0A 00 00 56 0E 00 a Windows DIB....┴☻..J☻..┴◙..V♫. 00001080 00 77 00 00 00 20 BC 80 95 04 00 80 00 00 00 00 80 06 00 80 09 00 83 81 80 06 00 80 09 00 83 83 .w... ╝Çò♦.Ç....Ç♠.Ç○.âüÇ♠.Ç○.ââ 000010A0 81 80 06 00 80 09 00 83 83 81 80 06 00 80 09 00 83 81 80 06 00 80 09 00 83 81 80 06 00 80 09 00 üÇ♠.Ç○.ââüÇ♠.Ç○.âüÇ♠.Ç○.âüÇ♠.Ç○. 000010C0 83 83 81 80 06 00 80 09 00 83 81 80 06 00 80 09 00 83 83 81 80 06 00 80 09 00 83 83 81 80 06 00 ââüÇ♠.Ç○.âüÇ♠.Ç○.ââüÇ♠.Ç○.ââüÇ♠. 000010E0 80 09 00 83 83 81 82 FF 00 4D 6F 6E 6F 20 54 68 72 65 73 68 6F 6C 64 20 00 00 2D 20 69 66 20 6C Ç○.ââüé .Mono Threshold ..- if l 00001100 75 6D 69 6E 61 6E 63 65 20 3E 31 32 38 20 74 68 65 6E 20 70 69 78 65 6C 20 69 73 20 73 65 74 2E uminance >128 then pixel is set. 00001120 00 00 4D 6F 6E 6F 20 00 00 00 2D 20 44 69 74 68 65 72 73 20 74 6F 20 61 20 6D 6F 6E 6F 63 68 72 ..Mono ...- Dithers to a monochr 00001140 6F 6D 65 20 62 69 74 6D 61 70 00 00 67 72 61 79 20 00 00 00 2D 20 4C 75 6D 69 6E 61 6E 63 65 20 ome bitmap..gray ...- Luminance 00001160 69 73 20 6D 61 70 70 65 64 20 74 6F 20 61 20 32 35 36 20 67 72 61 79 20 73 63 61 6C 65 20 70 61 is mapped to a 256 gray scale pa 00001180 6C 65 74 74 65 00 00 67 72 61 79 20 32 78 32 20 00 00 2D 20 41 73 20 61 62 6F 76 65 20 62 75 74 lette..gray 2x2 ..- As above but 000011A0 20 73 63 61 6C 65 64 20 75 70 20 62 79 20 74 77 6F 2E 20 49 6E 74 65 72 70 6F 6C 61 74 65 73 20 scaled up by two. Interpolates 000011C0 65 78 74 72 61 20 70 69 78 65 6C 73 00 00 4F 72 64 65 72 65 64 20 00 00 2D 20 44 69 74 68 65 72 extra pixels..Ordered ..- Dither 000011E0 73 20 74 6F 20 61 20 31 32 38 20 66 69 78 20 63 6F 6C 6F 72 20 70 61 6C 65 74 74 65 00 00 32 78 s to a 128 fix color palette..2x 00001200 32 20 00 00 00 2D 20 41 73 20 61 62 6F 76 65 20 62 75 74 20 73 63 61 6C 65 64 20 75 70 20 62 79 2 ...- As above but scaled up by 00001220 20 74 77 6F 2E 00 00 46 75 6C 6C 20 43 6F 6C 6F 72 20 00 00 2D 20 4C 75 6D 69 6E 61 6E 63 65 2C two...Full Color ..- Luminance, 00001240 43 72 20 61 6E 64 20 43 62 20 61 72 65 20 63 6F 6E 76 65 72 74 65 64 20 74 6F 20 61 20 32 34 20 Cr and Cb are converted to a 24 00001260 62 69 74 20 44 49 42 00 00 48 69 43 6F 6C 6F 72 20 00 00 00 2D 20 4C 75 6D 69 6E 61 6E 63 65 2C bit DIB..HiColor ...- Luminance, 00001280 43 72 20 61 6E 64 20 43 62 20 61 72 65 20 63 6F 6E 76 65 72 74 65 64 20 74 6F 20 61 20 31 36 20 Cr and Cb are converted to a 16 000012A0 62 69 74 20 44 49 42 00 00 46 73 32 66 61 73 74 20 00 00 00 2D 20 45 72 72 6F 72 20 64 69 66 66 bit DIB..Fs2fast ...- Error diff 000012C0 75 73 69 6F 6E 20 6F 66 20 32 20 65 72 72 6F 72 20 76 61 6C 75 65 73 2E 00 00 48 79 62 72 69 64 usion of 2 error values...Hybrid 000012E0 20 00 00 00 2D 20 4D 69 78 75 72 65 20 6F 66 20 4F 72 64 65 72 65 64 20 64 69 74 68 65 72 20 66 ...- Mixure of Ordered dither f 00001300 6F 72 20 6C 75 6D 69 6E 61 6E 63 65 20 61 6E 64 20 65 72 72 6F 72 20 64 69 66 66 75 73 69 6F 6E or luminance and error diffusion 00001320 20 66 6F 72 20 43 72 20 61 6E 64 20 43 62 2E 00 00 00 41 00 00 00 18 00 00 00 95 0B 00 00 97 0E for Cr and Cb....A...↑...ò♂..ù♫ 00001340 00 00 29 00 00 00 20 22 80 30 00 80 00 00 00 00 E3 8A 55 F4 25 80 05 00 89 82 FF 00 00 52 65 74 ..)... "Ç0.Ç....πèU⌠%Ç♣.ëé ..Ret 00001360 75 72 6E 20 74 6F 20 43 6F 6E 74 65 6E 74 73 00 20 00 00 41 00 00 00 10 00 00 00 56 0E 00 00 D8 urn to Contents. ..A...►...V♫..╪ 00001380 0E 00 00 31 00 00 00 02 8D 04 00 00 FF FF FF FF FF FF FF FF 05 00 00 00 FF FF FF FF D8 0E 00 00 ♫..1...☻ì♦.. ♣... ╪♫.. 000013A0 30 43 00 00 54 68 65 20 4F 70 74 69 6F 6E 73 20 4D 65 6E 75 A0 00 00 00 71 00 00 00 97 0E 00 00 0C..The Options Menuá...q...ù♫.. 000013C0 78 0F 00 00 2F 00 00 00 20 2E 80 E2 00 80 00 00 00 00 80 09 00 82 80 06 00 82 80 09 00 82 82 82 x☼../... .ÇΓ.Ç....Ç○.éÇ♠.éÇ○.ééé 000013E0 82 82 FF 00 00 00 54 68 65 20 4F 70 74 69 6F 6E 73 20 4D 65 6E 75 20 00 00 00 54 68 65 20 4F 70 éé ...The Options Menu ...The Op 00001400 74 69 6F 6E 20 6D 65 6E 75 20 69 73 20 75 73 65 64 20 74 6F 20 73 65 6C 65 63 74 20 76 61 72 69 tion menu is used to select vari 00001420 6F 75 73 20 64 69 73 70 6C 61 79 20 61 6E 64 20 66 75 6E 63 74 69 6F 6E 61 6C 6F 70 74 69 6F 6E ous display and functionaloption 00001440 73 20 6F 66 20 74 68 65 20 70 6C 61 79 65 72 00 00 00 00 00 3B 02 00 00 E4 01 00 00 D8 0E 00 00 s of the player.....;☻..Σ☺..╪♫.. 00001460 BF 41 00 00 57 00 00 00 20 7C 80 C9 03 00 80 00 00 00 02 82 21 01 80 06 00 80 09 00 83 83 82 80 ┐A..W... |Ç╔♥.Ç...☻é!☺Ç♠.Ç○.ââéÇ 00001480 06 00 80 09 00 83 82 80 06 00 80 09 00 83 83 82 80 06 00 80 09 00 83 83 82 80 06 00 80 09 00 83 ♠.Ç○.âéÇ♠.Ç○.ââéÇ♠.Ç○.ââéÇ♠.Ç○.â 000014A0 83 82 80 06 00 80 09 00 83 82 FF 00 4C 6F 6F 70 20 00 00 00 2D 20 57 68 65 6E 20 73 65 74 20 74 âéÇ♠.Ç○.âé .Loop ...- When set t 000014C0 68 65 20 50 6C 61 79 65 72 20 77 69 6C 6C 20 4C 6F 6F 70 20 77 68 69 6C 65 20 70 6C 78 0F 00 00 he Player will Loop while plx☼.. 000014E0 BF 41 00 00 97 0E 00 00 61 79 69 6E 67 00 00 53 74 72 65 74 63 68 20 74 6F 20 57 69 6E 64 6F 77 ┐A..ù♫..aying..Stretch to Window 00001500 20 00 00 2D 20 54 68 65 20 69 6D 61 67 65 20 69 73 20 53 74 72 65 74 63 68 20 74 6F 20 66 69 6C ..- The image is Stretch to fil 00001520 6C 20 74 68 65 20 57 69 6E 64 6F 77 73 20 43 6C 69 65 6E 74 20 61 72 65 61 2E 20 49 6E 73 74 65 l the Windows Client area. Inste 00001540 61 64 20 6F 66 20 62 65 69 6E 67 20 63 6F 70 69 65 64 20 50 69 78 65 6C 20 62 79 20 50 69 78 65 ad of being copied Pixel by Pixe 00001560 6C 2E 20 00 00 57 69 6E 64 6F 77 20 78 20 32 20 00 00 00 2D 20 54 68 65 20 64 69 73 70 6C 61 79 l. ..Window x 2 ...- The display 00001580 20 77 69 6E 64 6F 77 20 69 73 20 73 65 74 20 74 6F 20 74 77 69 63 65 20 74 68 65 20 69 6D 61 67 window is set to twice the imag 000015A0 65 20 73 69 7A 65 2E 00 00 55 73 65 20 53 65 74 2B 42 6C 74 20 00 00 00 2D 20 43 6F 6E 76 65 72 e size...Use Set+Blt ...- Conver 000015C0 74 20 74 6F 20 61 20 44 44 42 20 62 65 66 6F 72 65 20 42 6C 69 74 69 6E 67 20 74 6F 20 74 68 65 t to a DDB before Bliting to the 000015E0 20 73 63 72 65 65 6E 2E 00 00 55 73 65 20 57 69 6E 47 20 00 00 00 2D 20 55 73 65 20 74 68 65 20 screen...Use WinG ...- Use the 00001600 57 69 6E 47 20 42 65 74 61 20 6C 69 62 72 61 72 79 20 69 6E 73 74 65 61 64 20 6F 66 20 74 68 65 WinG Beta library instead of the 00001620 20 6E 6F 72 6D 61 6C 20 62 69 74 6D 61 70 20 63 61 6C 6C 73 2E 00 00 55 73 65 20 50 61 6C 65 74 normal bitmap calls...Use Palet 00001640 74 65 20 49 6E 64 69 63 69 65 73 20 00 00 2D 20 42 69 74 4D 61 70 20 62 79 74 65 73 20 61 72 65 te Indicies ..- BitMap bytes are 00001660 20 75 73 65 64 20 64 69 72 65 63 74 6C 79 20 61 73 20 50 61 6C 65 74 74 65 20 49 6E 64 69 63 65 used directly as Palette Indice 00001680 73 2E 20 4E 54 20 50 61 6C 65 74 74 65 20 4D 6F 64 65 73 20 4F 6E 6C 79 2E 00 00 2A 01 00 00 ED s. NT Palette Modes Only...*☺..φ 000016A0 00 00 00 78 0F 00 00 E9 42 00 00 3D 00 00 00 20 48 80 DB 01 00 80 00 00 00 02 82 21 01 80 06 00 ...x☼..ΘB..=... HÇ█☺.Ç...☻é!☺Ç♠. 000016C0 80 09 00 83 82 80 06 00 80 09 00 83 83 82 80 06 00 80 09 00 83 83 82 FF 00 54 72 61 6E 73 66 65 Ç○.âéÇ♠.Ç○.ââéÇ♠.Ç○.ââé .Transfe 000016E0 72 20 53 6D 61 6C 6C 20 44 69 62 73 20 00 00 2D 20 42 72 65 61 6B 73 20 74 68 65 20 69 6D 61 67 r Small Dibs ..- Breaks the imag 00001700 65 20 75 70 20 69 6E 74 6F 20 36 34 4B 42 20 42 6C 6F 63 6B 20 62 65 66 6F 72 65 20 73 65 6E 64 e up into 64KB Block before send 00001720 69 6E 67 20 74 6F 20 74 68 65 20 73 63 72 65 65 6E 2E 00 00 53 6B 69 70 20 42 20 46 72 61 6D 65 ing to the screen...Skip B Frame 00001740 73 20 00 00 00 2D 20 54 68 65 20 70 6C 61 79 65 72 20 77 69 6C 6C 20 73 6B 69 70 20 6F 76 65 72 s ...- The player will skip over 00001760 20 42 20 66 72 61 6D 65 73 2E 00 00 53 6B 69 70 20 50 20 46 72 61 6D 65 73 20 00 00 00 2D 20 54 B frames...Skip P Frames ...- T 00001780 68 65 20 70 6C 61 79 65 72 20 77 69 6C 6C 20 73 6B 69 70 20 6F 76 65 72 20 50 20 66 72 61 6D 65 he player will skip over P frame 000017A0 73 2E 20 28 4E 6F 74 65 20 42 20 46 72 61 6D 65 73 20 61 72 65 20 61 6C 73 6F 20 73 6B 69 70 70 s. (Note B Frames are also skipp 000017C0 65 64 29 00 00 47 00 00 00 1A 00 00 00 BF 41 00 00 30 43 00 00 2D 00 00 00 20 2A 80 34 00 80 00 ed)..G...→...┐A..0C..-... *Ç4.Ç. 000017E0 00 00 00 80 09 00 82 E3 8A 55 F4 25 80 05 00 89 82 FF 00 00 00 00 52 65 74 75 72 6E 20 74 6F 20 ...Ç○.éπèU⌠%Ç♣.ëé ....Return to 00001800 43 6F 6E 74 65 6E 74 73 00 20 00 00 3E 00 00 00 0D 00 00 00 E9 42 00 00 6E 43 00 00 31 00 00 00 Contents. ..>...♪...ΘB..nC..1... 00001820 02 25 01 00 00 FF FF FF FF FF FF FF FF 06 00 00 00 FF FF FF FF 6E 43 00 00 55 44 00 00 54 68 65 ☻%☺.. ♠... nC..UD..The 00001840 20 48 65 6C 70 20 4D 65 6E 75 40 00 00 00 15 00 00 00 30 43 00 00 AE 43 00 00 2B 00 00 00 20 26 Help Menu@...§...0C..«C..+... & 00001860 80 2A 00 80 00 00 00 00 80 09 00 82 80 06 00 82 80 09 00 82 FF 00 00 00 54 68 65 20 48 65 6C 70 Ç*.Ç....Ç○.éÇ♠.éÇ○.é ...The Help 00001880 20 4D 65 6E 75 20 00 00 00 00 A7 00 00 00 6A 00 00 00 6E 43 00 00 55 44 00 00 3D 00 00 00 20 4A Menu ....º...j...nC..UD..=... J 000018A0 80 D4 00 80 00 00 00 02 82 21 01 80 06 00 80 09 00 83 82 80 06 00 80 09 00 83 82 82 E3 8A 55 F4 Ç╘.Ç...☻é!☺Ç♠.Ç○.âéÇ♠.Ç○.âééπèU⌠ 000018C0 25 80 05 00 89 82 FF 00 48 65 6C 70 20 00 00 2D 20 43 61 6C 6C 27 73 20 75 70 20 74 68 69 73 20 %Ç♣.ëé .Help ..- Call's up this 000018E0 68 65 6C 70 20 66 69 6C 65 00 00 41 62 6F 75 74 20 00 00 2D 20 44 69 73 70 6C 61 79 73 20 61 6E help file..About ..- Displays an 00001900 20 69 6E 66 6F 72 6D 61 74 69 6F 6E 20 64 69 61 6C 6F 67 20 62 6F 78 00 00 00 00 52 65 74 75 72 information dialog box....Retur 00001920 6E 20 74 6F 20 43 6F 6E 74 65 6E 74 73 00 20 00 00 4A 00 00 00 19 00 00 00 AE 43 00 00 9F 44 00 n to Contents. ..J...↓...«C..ƒD. 00001940 00 31 00 00 00 02 0B 02 00 00 FF FF FF FF FF FF FF FF 07 00 00 00 FF FF FF FF 9F 44 00 00 60 46 .1...☻♂☻.. •... ƒD..`F 00001960 00 00 41 62 6F 75 74 20 74 68 65 20 42 65 72 6B 65 6C 65 79 20 50 6C 61 79 65 72 A3 00 00 00 76 ..About the Berkeley Playerú...v 00001980 00 00 00 55 44 00 00 42 45 00 00 2D 00 00 00 20 2A 80 EC 00 80 00 00 00 02 82 21 01 80 09 00 82 ...UD..BE..-... *Ç∞.Ç...☻é!☺Ç○.é 000019A0 82 80 0A 00 81 82 82 FF 00 00 00 00 54 6F 20 72 65 63 65 69 76 65 20 74 68 65 20 6C 61 74 65 73 éÇ◙.üéé ....To receive the lates 000019C0 74 20 76 65 72 73 69 6F 6E 20 6F 66 20 74 68 65 20 50 6C 61 79 65 72 2C 20 73 65 6E 64 20 61 20 t version of the Player, send a 000019E0 24 32 35 20 55 53 20 62 61 6E 6B 20 63 68 65 71 75 65 20 61 6E 64 20 61 20 6C 69 73 74 00 6F 66 $25 US bank cheque and a list.of 00001A00 20 73 75 67 67 65 73 74 69 6F 6E 73 20 61 6E 64 2F 6F 72 20 62 75 67 73 20 74 6F 00 00 00 65 00 suggestions and/or bugs to...e. 00001A20 00 00 3B 00 00 00 9F 44 00 00 A7 45 00 00 2A 00 00 00 20 24 80 76 00 80 00 00 00 0A 82 21 01 80 ..;...ƒD..ºE..*... $Çv.Ç...◙é!☺Ç 00001A40 0A 00 81 81 81 81 82 FF 00 4D 69 63 68 61 65 6C 20 53 69 6D 6D 6F 6E 73 00 50 2E 4F 2E 20 42 4F ◙.üüüüé .Michael Simmons.P.O. BO 00001A60 58 20 35 30 36 00 4E 45 44 4C 41 4E 44 53 20 57 41 20 36 30 30 39 00 41 55 53 54 52 41 4C 49 41 X 506.NEDLANDS WA 6009.AUSTRALIA 00001A80 00 00 00 B9 00 00 00 82 00 00 00 42 45 00 00 60 46 00 00 37 00 00 00 20 3C 80 05 01 00 80 00 00 ...╣...é...BE..`F..7... <Ç♣☺.Ç.. 00001AA0 00 02 82 21 01 80 0A 00 82 81 82 E3 8A 55 F4 25 80 0C 00 89 82 80 09 00 82 FF 00 00 28 4E 6F 74 .☻é!☺Ç◙.éüéπèU⌠%Ç♀.ëéÇ○.é ..(Not 00001AC0 65 20 74 68 65 20 72 65 67 69 73 74 65 72 65 64 20 76 65 72 73 69 6F 6E 20 77 69 6C 6C 20 70 6C e the registered version will pl 00001AE0 61 79 20 3E 31 4D 42 20 4D 70 65 67 20 66 69 6C 65 2E 20 54 68 65 20 41 62 6F 75 74 20 42 6F 78 ay >1MB Mpeg file. The About Box 00001B00 20 69 73 20 61 6C 73 6F 00 6E 6F 74 20 64 69 73 70 6C 61 79 65 64 20 61 74 20 73 74 61 72 74 75 is also.not displayed at startu 00001B20 70 00 00 00 52 65 74 75 72 6E 20 74 6F 20 43 6F 6E 74 65 6E 74 73 00 20 00 00 00 00 3B 00 00 00 p...Return to Contents. ....;... 00001B40 0A 00 00 00 A7 45 00 00 9B 46 00 00 31 00 00 00 02 F3 03 00 00 FF FF FF FF FF FF FF FF 08 00 00 ◙...ºE..¢F..1...☻≤♥.. ◘.. 00001B60 00 FF FF FF FF 9B 46 00 00 53 4A 00 00 44 69 73 63 6C 61 69 6D 65 72 29 00 00 00 03 00 00 00 60 . ¢F..SJ..Disclaimer)...♥...` 00001B80 46 00 00 C4 46 00 00 26 00 00 00 20 1C 80 06 00 80 00 00 00 02 82 21 01 80 09 00 82 FF 00 00 00 F..─F..&... ∟Ç♠.Ç...☻é!☺Ç○.é ... 00001BA0 29 03 00 00 F3 02 00 00 9B 46 00 00 ED 49 00 00 36 00 00 00 20 3A 80 E7 05 00 80 00 00 00 12 82 )♥..≤☻..¢F..φI..6... :Çτ♣.Ç...↕é 00001BC0 21 01 80 0A 00 81 81 81 81 81 81 81 81 81 81 81 81 81 81 81 82 FF 00 00 49 6E 20 74 68 65 20 66 !☺Ç◙.üüüüüüüüüüüüüüüé ..In the f 00001BE0 6F 6C 6C 6F 77 69 6E 67 2C 20 74 68 65 20 54 65 72 6D 20 44 45 56 45 4C 4F 50 45 52 53 20 69 73 ollowing, the Term DEVELOPERS is 00001C00 20 74 61 6B 65 6E 20 74 6F 20 6D 65 61 6E 20 74 68 65 00 44 65 76 65 6C 6F 70 65 72 73 20 6F 66 taken to mean the.Developers of 00001C20 20 74 68 69 73 20 73 6F 66 74 77 61 72 65 2E 20 54 68 61 74 20 69 73 20 54 48 45 20 55 4E 49 56 this software. That is THE UNIV 00001C40 45 52 53 49 54 59 20 4F 46 20 43 41 4C 49 46 4F 52 4E 49 41 20 61 6E 64 20 6D 79 73 65 6C 66 00 ERSITY OF CALIFORNIA and myself. 00001C60 4D 49 43 48 41 45 4C 20 53 49 4D 4D 4F 4E 53 00 00 49 4E 20 4E 4F 20 45 56 45 4E 54 20 53 48 41 MICHAEL SIMMONS..IN NO EVENT SHA 00001C80 4C 4C 20 54 48 45 20 44 45 56 45 4C 4F 50 45 52 53 20 42 45 20 4C 49 41 42 4C 45 20 54 4F 20 41 LL THE DEVELOPERS BE LIABLE TO A 00001CA0 4E 59 20 50 41 52 54 59 20 46 4F 52 20 44 49 52 45 43 54 2C 20 49 4E 44 49 52 45 43 54 2C 00 53 NY PARTY FOR DIRECT, INDIRECT,.S 00001CC0 50 45 43 49 41 4C 2C 20 49 4E 43 49 44 45 4E 54 41 4C 2C 20 4F 52 20 43 4F 4E 53 45 51 55 45 4E PECIAL, INCIDENTAL, OR CONSEQUEN 00001CE0 54 49 41 4C 20 44 41 4D 41 47 45 53 20 41 52 49 53 49 4E 47 20 4F 55 54 20 4F 46 20 54 48 45 20 TIAL DAMAGES ARISING OUT OF THE 00001D00 55 53 45 20 4F 46 20 54 48 49 53 00 53 4F 46 54 57 41 52 45 20 41 4E 44 20 49 54 53 20 44 4F 43 USE OF THIS.SOFTWARE AND ITS DOC 00001D20 55 4D 45 4E 54 41 54 49 4F 4E 2C 20 45 56 45 4E 20 49 46 20 54 48 45 20 44 45 56 45 4C 4F 50 45 UMENTATION, EVEN IF THE DEVELOPE 00001D40 52 53 20 48 41 56 45 20 42 45 45 4E 20 41 44 56 49 53 45 44 20 4F 46 00 54 48 45 20 50 4F 53 53 RS HAVE BEEN ADVISED OF.THE POSS 00001D60 49 42 49 4C 49 54 59 20 4F 46 20 53 55 43 48 20 44 41 4D 41 47 45 2E 00 00 54 48 45 20 44 45 56 IBILITY OF SUCH DAMAGE...THE DEV 00001D80 45 4C 4F 50 45 52 53 20 53 50 45 43 49 46 49 43 41 4C 4C 59 20 44 49 53 43 4C 41 49 4D 20 41 4E ELOPERS SPECIFICALLY DISCLAIM AN 00001DA0 59 20 57 41 52 52 41 4E 54 49 45 53 2C 20 49 4E 43 4C 55 44 49 4E 47 2C 20 42 55 54 20 4E 4F 54 Y WARRANTIES, INCLUDING, BUT NOT 00001DC0 00 4C 49 4D 49 54 45 44 20 54 4F 2C 20 54 48 45 20 49 4D 50 4C 49 45 44 20 57 41 52 52 41 4E 54 .LIMITED TO, THE IMPLIED WARRANT 00001DE0 49 45 53 20 4F 46 20 4D 45 52 43 48 41 4E 54 41 42 49 4C 49 54 59 20 41 4E 44 20 46 49 54 4E 45 IES OF MERCHANTABILITY AND FITNE 00001E00 53 53 20 46 4F 52 20 41 00 50 41 52 54 49 43 55 4C 41 52 20 50 55 52 50 4F 53 45 2E 20 20 54 48 SS FOR A.PARTICULAR PURPOSE. TH 00001E20 45 20 53 4F 46 54 57 41 52 45 20 50 52 4F 56 49 44 45 44 20 48 45 52 45 55 4E 44 45 52 20 49 53 E SOFTWARE PROVIDED HEREUNDER IS 00001E40 20 4F 4E 20 41 4E 20 22 41 53 20 49 53 22 20 42 41 53 49 53 2C 00 41 4E 44 20 54 48 45 20 44 45 ON AN "AS IS" BASIS,.AND THE DE 00001E60 56 45 4C 4F 50 45 52 53 20 48 41 56 45 20 4E 4F 20 4F 42 4C 49 47 41 54 49 4F 4E 20 54 4F 20 50 VELOPERS HAVE NO OBLIGATION TO P 00001E80 52 4F 56 49 44 45 20 4D 41 49 4E 54 45 4E 41 4E 43 45 2C 20 53 55 50 50 4F 52 54 2C 00 55 50 44 ROVIDE MAINTENANCE, SUPPORT,.UPD 00001EA0 41 54 45 53 2C 20 45 4E 48 41 4E 43 45 4D 45 4E 54 53 2C 20 4F 52 20 4D 4F 44 49 46 49 43 41 54 ATES, ENHANCEMENTS, OR MODIFICAT 00001EC0 49 4F 4E 53 2E 20 00 00 00 66 00 00 00 32 00 00 00 C4 46 00 00 53 4A 00 00 34 00 00 00 20 38 80 IONS. ...f...2...─F..SJ..4... 8Ç 00001EE0 64 00 80 00 00 00 00 80 0A 00 82 E3 8A 55 F4 25 80 0C 00 89 82 E3 74 DC E9 D9 89 82 FF 00 00 00 d.Ç....Ç◙.éπèU⌠%Ç♀.ëéπt▄Θ┘ëé ... 00001F00 00 52 65 74 75 72 6E 20 74 6F 20 43 6F 6E 74 65 6E 74 73 00 20 00 00 47 6F 74 6F 20 74 6F 20 49 .Return to Contents. ..Goto to I 00001F20 6E 74 72 6F 64 75 63 74 69 6F 6E 00 20 00 00 48 00 00 00 17 00 00 00 ED 49 00 00 9B 4A 00 00 31 ntroduction. ..H...↨...φI..¢J..1 00001F40 00 00 00 02 3D 04 00 00 FF FF FF FF FF FF FF FF 09 00 00 00 FF FF FF FF 9B 4A 00 00 90 4E 00 00 ...☻=♦.. ○... ¢J..ÉN.. 00001F60 41 6E 20 49 6E 74 72 6F 64 75 63 74 69 6F 6E 20 74 6F 20 4D 50 45 47 26 00 00 00 03 00 00 00 53 An Introduction to MPEG&...♥...S 00001F80 4A 00 00 C1 4A 00 00 23 00 00 00 20 16 80 06 00 80 00 00 00 00 80 09 00 82 FF 00 00 00 5B 00 00 J..┴J..#... ▬Ç♠.Ç....Ç○.é ...[.. 00001FA0 00 33 00 00 00 9B 4A 00 00 1C 4B 00 00 28 00 00 00 20 20 80 66 00 80 00 00 00 08 80 08 00 81 80 .3...¢J..∟K..(... Çf.Ç...◘Ç◘.üÇ 00001FC0 09 00 81 82 FF 00 41 6E 20 49 6E 74 72 6F 64 75 63 74 69 6F 6E 20 74 6F 20 4D 50 45 47 20 00 00 ○.üé .An Introduction to MPEG .. 00001FE0 77 72 69 74 74 65 6E 20 62 79 20 4D 61 72 6B 20 41 64 6C 65 72 00 00 00 05 02 00 00 97 01 00 00 written by Mark Adler...♣☻..ù☺.. 00002000 C1 4A 00 00 21 4D 00 00 6E 00 00 00 20 AA 80 2F 03 00 80 00 00 00 00 80 09 00 81 E3 DE 3F 4A C3 ┴J..!M..n... ¬Ç/♥.Ç....Ç○.üπ▐?J├ 00002020 89 81 81 E3 7D 07 48 9A 80 05 00 89 82 E3 7E 07 48 9A 89 82 E3 7F 07 48 9A 89 82 E3 80 07 48 9A ëüüπ}•HÜÇ♣.ëéπ~•HÜëéπ⌂•HÜëéπÇ•HÜ 00002040 89 82 E3 81 07 48 9A 89 82 E3 82 07 48 9A 89 82 E3 83 07 48 9A 89 82 E3 84 07 48 9A 89 82 E3 85 ëéπü•HÜëéπé•HÜëéπâ•HÜëéπä•HÜëéπà 00002060 07 48 9A 89 82 FF 00 57 61 72 6E 69 6E 67 20 74 68 69 73 20 69 6E 66 6F 72 6D 61 74 69 6F 6E 20 •HÜëé .Warning this information 00002080 69 73 20 6F 75 74 20 6F 66 20 64 61 74 65 20 61 6E 64 20 6D 61 79 20 63 6F 6E 74 61 69 6E 20 69 is out of date and may contain i 000020A0 6E 63 6F 72 72 65 63 74 20 69 6E 66 6F 72 6D 61 74 69 6F 6E 00 69 74 20 6D 61 79 20 62 65 20 75 ncorrect information.it may be u 000020C0 70 64 61 74 65 64 20 69 6E 20 74 68 65 20 6E 65 78 74 20 76 65 72 73 69 6F 6E 20 6F 66 20 74 68 pdated in the next version of th 000020E0 69 73 20 70 6C 61 79 65 72 2E 20 53 65 65 20 00 44 69 73 63 6C 61 69 6D 65 72 00 00 00 00 00 57 is player. See .Disclaimer.....W 00002100 68 61 74 20 69 73 20 4D 50 45 47 00 20 00 00 57 68 61 74 20 64 6F 65 73 20 4D 50 45 47 20 73 74 hat is MPEG. ..What does MPEG st 00002120 61 6E 64 20 66 6F 72 00 20 00 00 44 6F 65 73 20 69 74 20 68 61 76 65 20 61 6E 79 74 68 69 6E 67 and for. ..Does it have anything 00002140 20 74 6F 20 64 6F 20 77 69 74 68 20 4A 50 45 47 00 20 00 00 57 68 61 74 20 69 73 20 4A 42 49 47 to do with JPEG. ..What is JBIG 00002160 20 61 6E 64 20 4D 48 45 43 00 20 00 00 57 68 61 74 20 68 61 73 20 4D 50 45 47 20 61 63 63 6F 6D and MHEC. ..What has MPEG accom 00002180 70 6C 69 73 68 65 64 00 20 00 00 48 6F 77 20 64 6F 65 73 20 4D 50 45 47 20 77 6F 72 6B 00 20 00 plished. ..How does MPEG work. . 000021A0 00 49 73 20 65 61 63 68 20 66 72 61 6D 65 20 70 72 65 64 69 63 74 65 64 20 66 72 6F 6D 20 74 68 .Is each frame predicted from th 000021C0 65 20 6C 61 73 74 00 20 00 00 57 68 65 72 65 20 64 69 64 20 74 68 65 79 20 67 65 74 20 33 35 32 e last. ..Where did they get 352 000021E0 78 32 34 30 00 20 00 00 57 68 61 74 20 61 62 6F 75 74 20 45 75 72 6F 70 65 00 20 00 00 6F 01 00 x240. ..What about Europe. ..o☺. 00002200 00 0C 01 00 00 1C 4B 00 00 90 4E 00 00 63 00 00 00 20 94 80 19 02 00 80 00 00 00 00 E3 09 42 19 .♀☺..∟K..ÉN..c... öÇ↓☻.Ç....π○B↓ 00002220 EA 80 05 00 89 82 E3 00 42 19 EA 89 82 E3 01 42 19 EA 89 82 E3 02 42 19 EA 89 82 E3 03 42 19 EA ΩÇ♣.ëéπ.B↓Ωëéπ☺B↓Ωëéπ☻B↓Ωëéπ♥B↓Ω 00002240 89 82 E3 04 42 19 EA 89 82 E3 05 42 19 EA 89 82 E3 06 42 19 EA 89 82 E3 8A 55 F4 25 89 82 82 FF ëéπ♦B↓Ωëéπ♣B↓Ωëéπ♠B↓ΩëéπèU⌠%ëéé 00002260 00 00 57 68 61 74 20 61 62 6F 75 74 20 61 75 64 69 6F 20 63 6F 6D 70 72 65 73 73 69 6F 6E 00 20 ..What about audio compression. 00002280 00 00 48 6F 77 20 6D 75 63 68 20 64 6F 65 73 20 69 74 20 63 6F 6D 70 72 65 73 73 00 20 00 00 57 ..How much does it compress. ..W 000022A0 68 61 74 20 69 73 20 4D 50 45 47 20 70 68 61 73 65 49 49 00 20 00 00 57 68 79 20 6E 6F 74 20 6A hat is MPEG phaseII. ..Why not j 000022C0 75 73 74 20 73 63 61 6C 65 20 75 70 20 4D 50 45 47 20 49 00 20 00 00 57 68 61 74 20 77 6F 72 6B ust scale up MPEG I. ..What work 000022E0 73 20 66 6F 72 20 4D 50 45 47 20 49 49 00 20 00 00 57 68 65 6E 20 77 69 6C 6C 20 4D 50 45 47 20 s for MPEG II. ..When will MPEG 00002300 49 49 20 62 65 20 72 65 6C 65 61 73 65 64 00 20 00 00 48 6F 77 20 64 6F 20 49 20 6A 6F 69 6E 20 II be released. ..How do I join 00002320 4D 50 45 47 00 20 00 00 48 6F 77 20 64 6F 20 49 20 67 65 74 20 74 68 65 20 4D 50 45 47 20 73 74 MPEG. ..How do I get the MPEG st 00002340 61 6E 64 61 72 64 73 20 64 6F 63 75 6D 65 6E 74 73 00 20 00 00 52 65 74 75 72 6E 20 74 6F 20 43 andards documents. ..Return to C 00002360 6F 6E 74 65 6E 74 73 00 20 00 00 00 3D 00 00 00 0C 00 00 00 21 4D 00 00 CD 4E 00 00 31 00 00 00 ontents. ...=...♀...!M..═N..1... 00002380 02 9E 03 00 00 FF FF FF FF FF FF FF FF 0A 00 00 00 FF FF FF FF CD 4E 00 00 3A 82 00 00 57 68 61 ☻₧♥.. ◙... ═N..:é..Wha 000023A0 74 20 69 73 20 4D 50 45 47 FF 02 00 00 D2 02 00 00 90 4E 00 00 D8 81 00 00 2D 00 00 00 20 28 80 t is MPEG ☻..╥☻..ÉN..╪ü..-... (Ç 000023C0 A5 05 00 80 00 00 00 00 80 09 00 82 80 06 00 82 80 09 00 82 82 FF 00 00 00 51 2E 20 57 68 61 74 Ñ♣.Ç....Ç○.éÇ♠.éÇ○.éé ...Q. What 000023E0 20 69 73 20 4D 50 45 47 3F 20 00 00 00 41 2E 20 4D 50 45 47 20 69 73 20 61 20 67 72 6F 75 70 20 is MPEG? ...A. MPEG is a group 00002400 6F 66 20 70 65 6F 70 6C 65 20 74 68 61 74 20 6D 65 65 74 20 75 6E 64 65 72 20 49 53 4F 20 28 74 of people that meet under ISO (t 00002420 68 65 20 49 6E 74 65 72 6E 61 74 69 6F 6E 61 6C 20 53 74 61 6E 64 61 72 64 73 20 4F 72 67 61 6E he International Standards Organ 00002440 69 7A 61 74 69 6F 6E 29 20 74 6F 20 67 65 6E 65 72 61 74 65 20 73 74 61 6E 64 61 72 64 73 20 66 ization) to generate standards f 00002460 6F 72 20 64 69 67 69 74 61 6C 20 76 69 64 65 6F 20 28 73 65 71 75 65 6E 63 65 73 20 6F 66 20 69 or digital video (sequences of i 00002480 6D 61 67 65 73 20 69 6E 20 74 69 6D 65 29 20 61 6E 64 20 61 75 64 69 6F 20 63 6F 6D 70 72 65 73 mages in time) and audio compres 000024A0 73 69 6F 6E 2E 20 20 49 6E 20 70 61 72 74 69 63 75 6C 61 72 2C 20 74 68 65 79 20 64 65 66 69 6E sion. In particular, they defin 000024C0 65 20 61 20 63 6F 6D 70 72 65 73 73 65 64 20 62 69 74 20 73 74 72 65 61 6D 2C 20 77 CD 4E 00 00 e a compressed bit stream, w═N.. 000024E0 D8 81 00 00 90 4E 00 00 68 69 63 68 20 69 6D 70 6C 69 63 69 74 6C 79 20 64 65 66 69 6E 65 73 20 ╪ü..ÉN..hich implicitly defines 00002500 61 20 64 65 63 6F 6D 70 72 65 73 73 6F 72 2E 20 48 6F 77 65 76 65 72 2C 20 74 68 65 20 63 6F 6D a decompressor. However, the com 00002520 70 72 65 73 73 69 6F 6E 20 61 6C 67 6F 72 69 74 68 6D 73 20 61 72 65 20 75 70 20 74 6F 20 74 68 pression algorithms are up to th 00002540 65 20 69 6E 64 69 76 69 64 75 61 6C 20 6D 61 6E 75 66 61 63 74 75 72 65 72 73 2C 20 61 6E 64 20 e individual manufacturers, and 00002560 74 68 61 74 20 69 73 20 77 68 65 72 65 20 70 72 6F 70 72 69 65 74 61 72 79 20 61 64 76 61 6E 74 that is where proprietary advant 00002580 61 67 65 20 69 73 20 6F 62 74 61 69 6E 65 64 20 77 69 74 68 69 6E 20 74 68 65 20 73 63 6F 70 65 age is obtained within the scope 000025A0 20 6F 66 20 61 20 70 75 62 6C 69 63 6C 79 20 61 76 61 69 6C 61 62 6C 65 20 69 6E 74 65 72 6E 61 of a publicly available interna 000025C0 74 69 6F 6E 61 6C 20 73 74 61 6E 64 61 72 64 2E 20 4D 50 45 47 20 6D 65 65 74 73 20 72 6F 75 67 tional standard. MPEG meets roug 000025E0 68 6C 79 20 66 6F 75 72 20 74 69 6D 65 73 20 61 20 79 65 61 72 20 66 6F 72 20 72 6F 75 67 68 6C hly four times a year for roughl 00002600 79 20 61 20 77 65 65 6B 20 65 61 63 68 20 74 69 6D 65 2E 20 49 6E 20 62 65 74 77 65 65 6E 20 6D y a week each time. In between m 00002620 65 65 74 69 6E 67 73 2C 20 61 20 67 72 65 61 74 20 64 65 61 6C 20 6F 66 20 77 6F 72 6B 20 69 73 eetings, a great deal of work is 00002640 20 64 6F 6E 65 20 62 79 20 74 68 65 20 6D 65 6D 62 65 72 73 2C 20 73 6F 20 69 74 20 64 6F 65 73 done by the members, so it does 00002660 6E 27 74 20 61 6C 6C 20 68 61 70 70 65 6E 20 61 74 20 74 68 65 20 6D 65 65 74 69 6E 67 73 2E 20 n't all happen at the meetings. 00002680 54 68 65 20 77 6F 72 6B 20 69 73 20 6F 72 67 61 6E 69 7A 65 64 20 61 6E 64 20 70 6C 61 6E 6E 65 The work is organized and planne 000026A0 64 20 61 74 20 74 68 65 20 6D 65 65 74 69 6E 67 73 2E 00 00 62 00 00 00 32 00 00 00 CD 4E 00 00 d at the meetings...b...2...═N.. 000026C0 3A 82 00 00 30 00 00 00 20 30 80 64 00 80 00 00 00 00 E3 74 DC E9 D9 80 05 00 89 82 E3 8A 55 F4 :é..0... 0Çd.Ç....πt▄Θ┘Ç♣.ëéπèU⌠ 000026E0 25 89 82 FF 00 00 52 65 74 75 72 6E 20 74 6F 20 49 6E 74 72 6F 64 75 63 74 69 6F 6E 00 20 00 00 %ëé ..Return to Introduction. .. 00002700 52 65 74 75 72 6E 20 74 6F 20 43 6F 6E 74 65 6E 74 73 00 20 00 00 4A 00 00 00 19 00 00 00 D8 81 Return to Contents. ..J...↓...╪ü 00002720 00 00 84 82 00 00 31 00 00 00 02 01 01 00 00 FF FF FF FF FF FF FF FF 0B 00 00 00 FF FF FF FF 84 ..äé..1...☻☺☺.. ♂... ä 00002740 82 00 00 3B 83 00 00 57 68 61 74 20 64 6F 65 73 20 4D 50 45 47 20 73 74 61 6E 64 20 66 6F 72 3F é..;â..What does MPEG stand for? 00002760 B7 00 00 00 7A 00 00 00 3A 82 00 00 3B 83 00 00 3D 00 00 00 20 4A 80 F4 00 80 00 00 00 00 80 0D ╖...z...:é..;â..=... JÇ⌠.Ç....Ç♪ 00002780 00 82 80 0E 00 82 80 09 00 82 82 E3 74 DC E9 D9 80 05 00 89 82 E3 8A 55 F4 25 89 82 FF 00 00 00 .éÇ♫.éÇ○.ééπt▄Θ┘Ç♣.ëéπèU⌠%ëé ... 000027A0 51 2E 20 53 6F 20 77 68 61 74 20 64 6F 65 73 20 4D 50 45 47 20 73 74 61 6E 64 20 66 6F 72 3F 20 Q. So what does MPEG stand for? 000027C0 00 00 00 41 2E 20 4D 6F 76 69 6E 67 20 50 69 63 74 75 72 65 73 20 45 78 70 65 72 74 73 20 47 72 ...A. Moving Pictures Experts Gr 000027E0 6F 75 70 2E 00 00 00 52 65 74 75 72 6E 20 74 6F 20 49 6E 74 72 6F 64 75 63 74 69 6F 6E 00 20 00 oup....Return to Introduction. . 00002800 00 52 65 74 75 72 6E 20 74 6F 20 43 6F 6E 74 65 6E 74 73 00 20 00 00 56 00 00 00 25 00 00 00 84 .Return to Contents. ..V...%...ä 00002820 82 00 00 91 83 00 00 31 00 00 00 02 47 02 00 00 FF FF FF FF FF FF FF FF 0C 00 00 00 FF FF FF FF é..æâ..1...☻G☻.. ♀... 00002840 91 83 00 00 82 85 00 00 44 6F 65 73 20 69 74 20 68 61 76 65 20 61 6E 79 74 68 69 6E 67 20 74 6F æâ..éà..Does it have anything to 00002860 20 64 6F 20 77 69 74 68 20 4A 50 45 47 F1 01 00 00 B3 01 00 00 3B 83 00 00 82 85 00 00 3E 00 00 do with JPEG±☺..│☺..;â..éà..>.. 00002880 00 20 4A 80 67 03 00 80 00 00 00 00 80 0D 00 82 80 0E 00 82 80 09 00 82 82 E3 74 DC E9 D9 80 05 . JÇg♥.Ç....Ç♪.éÇ♫.éÇ○.ééπt▄Θ┘Ç♣ 000028A0 00 89 82 E3 8A 55 F4 25 89 82 FF 00 00 00 51 2E 20 44 6F 65 73 20 69 74 20 68 61 76 65 20 61 6E .ëéπèU⌠%ëé ...Q. Does it have an 000028C0 79 74 68 69 6E 67 20 74 6F 20 64 6F 20 77 69 74 68 20 4A 50 45 47 3F 20 00 00 00 41 2E 20 57 65 ything to do with JPEG? ...A. We 000028E0 6C 6C 2C 20 69 74 20 73 6F 75 6E 64 73 20 74 68 65 20 73 61 6D 65 2C 20 61 6E 64 20 74 68 65 79 ll, it sounds the same, and they 00002900 20 61 72 65 20 70 61 72 74 20 6F 66 20 74 68 65 20 73 61 6D 65 20 73 75 62 63 6F 6D 6D 69 74 74 are part of the same subcommitt 00002920 65 65 20 6F 66 20 49 53 4F 20 61 6C 6F 6E 67 20 77 69 74 68 20 4A 42 49 47 20 61 6E 64 20 4D 48 ee of ISO along with JBIG and MH 00002940 45 47 2C 20 61 6E 64 20 74 68 65 79 20 75 73 75 61 6C 6C 79 20 6D 65 65 74 20 61 74 20 74 68 65 EG, and they usually meet at the 00002960 20 73 61 6D 65 20 70 6C 61 63 65 20 61 74 20 74 68 65 20 73 61 6D 65 20 74 69 6D 65 2E 20 48 6F same place at the same time. Ho 00002980 77 65 76 65 72 2C 20 74 68 65 79 20 61 72 65 20 64 69 66 66 65 72 65 6E 74 20 73 65 74 73 20 6F wever, they are different sets o 000029A0 66 20 70 65 6F 70 6C 65 20 77 69 74 68 20 66 65 77 20 6F 72 20 6E 6F 20 63 6F 6D 6D 6F 6E 20 69 f people with few or no common i 000029C0 6E 64 69 76 69 64 75 61 6C 20 6D 65 6D 62 65 72 73 2C 20 61 6E 64 20 74 68 65 79 20 68 61 76 65 ndividual members, and they have 000029E0 20 64 69 66 66 65 72 65 6E 74 20 63 68 61 72 74 65 72 73 20 61 6E 64 20 72 65 71 75 69 72 65 6D different charters and requirem 00002A00 65 6E 74 73 2E 20 20 4A 50 45 47 20 69 73 20 66 6F 72 20 73 74 69 6C 6C 20 69 6D 61 67 65 20 63 ents. JPEG is for still image c 00002A20 6F 6D 70 72 65 73 73 69 6F 6E 2E 00 00 00 52 65 74 75 72 6E 20 74 6F 20 49 6E 74 72 6F 64 75 63 ompression....Return to Introduc 00002A40 74 69 6F 6E 00 20 00 00 52 65 74 75 72 6E 20 74 6F 20 43 6F 6E 74 65 6E 74 73 00 20 00 00 46 00 tion. ..Return to Contents. ..F. 00002A60 00 00 15 00 00 00 91 83 00 00 C8 85 00 00 31 00 00 00 02 78 01 00 00 FF FF FF FF FF FF FF FF 0D ..§...æâ..╚à..1...☻x☺.. ♪ 00002A80 00 00 00 FF FF FF FF C8 85 00 00 FA 86 00 00 57 68 61 74 20 69 73 20 4A 42 49 47 20 61 6E 64 20 ... ╚à..·å..What is JBIG and 00002AA0 4D 48 45 47 32 01 00 00 F4 00 00 00 82 85 00 00 FA 86 00 00 3E 00 00 00 20 4A 80 E9 01 00 80 00 MHEG2☺..⌠...éà..·å..>... JÇΘ☺.Ç. 00002AC0 00 00 00 80 0D 00 82 80 0E 00 82 80 09 00 82 82 E3 74 DC E9 D9 80 05 00 89 82 E3 8A 55 F4 25 89 ...Ç♪.éÇ♫.éÇ○.ééπt▄Θ┘Ç♣.ëéπèU⌠%ë 00002AE0 82 FF 00 00 00 51 2E 20 54 68 65 6E 20 77 68 61 74 27 73 20 4A 42 49 47 20 61 6E 64 20 4D 48 45 é ...Q. Then what's JBIG and MHE 00002B00 47 3F 20 00 00 00 41 2E 20 20 20 20 20 20 4A 42 49 47 20 69 73 20 66 6F 72 20 6C 6F 73 73 6C 65 G? ...A. JBIG is for lossle 00002B20 73 73 20 62 69 6E 61 72 79 20 69 6D 61 67 65 20 63 6F 6D 70 72 65 73 73 69 6F 6E 20 28 6C 69 6B ss binary image compression (lik 00002B40 65 20 66 61 78 65 73 29 4D 48 45 47 20 69 73 20 66 6F 72 20 6D 75 6C 74 69 2D 6D 65 64 69 61 20 e faxes)MHEG is for multi-media 00002B60 64 61 74 61 20 73 74 61 6E 64 61 72 64 73 20 28 6C 69 6B 65 20 69 6E 74 65 67 72 61 74 69 6E 67 data standards (like integrating 00002B80 20 73 74 69 6C 6C 73 2C 20 76 69 64 65 6F 2C 20 61 75 64 69 6F 2C 20 74 65 78 74 2C 20 65 74 63 stills, video, audio, text, etc 00002BA0 2E 29 2E 00 00 00 52 65 74 75 72 6E 20 74 6F 20 49 6E 74 72 6F 64 75 63 74 69 6F 6E 00 20 00 00 .)....Return to Introduction. .. 00002BC0 52 65 74 75 72 6E 20 74 6F 20 43 6F 6E 74 65 6E 74 73 00 20 00 00 4B 00 00 00 1A 00 00 00 C8 85 Return to Contents. ..K...→...╚à 00002BE0 00 00 45 87 00 00 31 00 00 00 02 92 03 00 00 FF FF FF FF FF FF FF FF 0E 00 00 00 FF FF FF FF 45 ..Eç..1...☻Æ♥.. ♫... E 00002C00 87 00 00 8C 8A 00 00 57 68 61 74 20 68 61 73 20 4D 50 45 47 20 61 63 63 6F 6D 70 6C 69 73 68 65 ç..îè..What has MPEG accomplishe 00002C20 64 E5 02 00 00 B8 02 00 00 FA 86 00 00 2A 8A 00 00 2D 00 00 00 20 28 80 71 05 00 80 00 00 00 00 dσ☻..╕☻..·å..*è..-... (Çq♣.Ç.... 00002C40 80 0D 00 82 80 0E 00 82 80 09 00 82 82 FF 00 00 00 51 2E 20 57 68 61 74 20 68 61 73 20 4D 50 45 Ç♪.éÇ♫.éÇ○.éé ...Q. What has MPE 00002C60 47 20 61 63 63 6F 6D 70 6C 69 73 68 65 64 3F 20 00 00 00 41 2E 20 53 6F 20 66 61 72 20 28 61 73 G accomplished? ...A. So far (as 00002C80 20 6F 66 20 4A 61 6E 75 61 72 79 20 31 39 39 32 29 2C 20 74 68 65 79 20 68 61 76 65 20 63 6F 6D of January 1992), they have com 00002CA0 70 6C 65 74 65 64 20 74 68 65 20 22 43 6F 6D 6D 69 74 74 65 65 20 44 72 61 66 74 22 20 6F 66 20 pleted the "Committee Draft" of 00002CC0 4D 50 45 47 20 70 68 61 73 65 20 49 2C 20 63 6F 6C 6C 6F 71 75 69 61 6C 6C 79 20 63 61 6C 6C 65 MPEG phase I, colloquially calle 00002CE0 64 20 4D 50 45 47 20 49 2E 20 20 49 74 20 64 65 66 69 6E 65 73 20 61 20 62 69 74 20 73 74 72 65 d MPEG I. It defines a bit stre 00002D00 61 6D 20 66 6F 72 20 63 6F 6D 70 72 65 73 73 65 64 20 76 69 64 65 6F 20 61 6E 64 20 61 75 64 69 am for compressed video and audi 00002D20 6F 20 6F 70 74 69 6D 69 7A 65 64 20 74 6F 20 66 69 74 20 69 6E 74 6F 20 61 20 62 61 6E 64 77 69 o optimized to fit into a bandwi 00002D40 64 74 68 20 28 64 61 74 61 20 72 61 74 65 29 20 6F 66 20 31 2E 35 20 4D 62 69 74 73 2F 73 2E 20 dth (data rate) of 1.5 Mbits/s. 00002D60 20 54 68 69 73 20 72 61 74 65 20 69 73 20 73 70 65 63 69 61 6C 20 62 65 63 61 75 73 65 20 69 74 This rate is special because it 00002D80 20 69 73 20 74 68 65 20 64 61 74 61 20 72 61 74 65 20 6F 66 20 28 75 6E 63 6F 6D 70 72 65 73 73 is the data rate of (uncompress 00002DA0 65 64 29 20 61 75 64 69 6F 20 43 44 27 73 20 61 6E 64 20 44 41 54 27 73 2E 20 54 68 65 20 64 72 ed) audio CD's and DAT's. The dr 00002DC0 61 66 74 20 69 73 20 69 6E 20 74 68 72 65 65 20 70 61 72 74 73 2C 20 76 69 64 65 6F 2C 20 61 75 aft is in three parts, video, au 00002DE0 64 69 6F 2C 20 61 6E 64 20 73 79 73 74 65 6D 73 2C 20 77 68 65 72 65 20 74 68 65 20 6C 61 73 74 dio, and systems, where the last 00002E00 20 70 61 72 74 20 67 69 76 65 73 20 74 68 65 20 69 6E 74 65 67 72 61 74 69 6F 6E 20 6F 66 20 74 part gives the integration of t 00002E20 68 65 20 61 75 64 69 6F 20 61 6E 64 20 76 69 64 65 6F 20 73 74 72 65 61 6D 73 20 77 69 74 68 20 he audio and video streams with 00002E40 74 68 65 20 70 72 6F 70 65 72 20 74 69 6D 65 73 74 61 6D 70 69 6E 67 20 74 6F 20 61 6C 6C 6F 77 the proper timestamping to allow 00002E60 20 73 79 6E 63 68 72 6F 6E 69 7A 61 74 69 6F 6E 20 6F 66 20 74 68 65 20 74 77 6F 2E 20 54 68 65 synchronization of the two. The 00002E80 79 20 68 61 76 65 20 61 6C 73 6F 20 67 6F 74 74 65 6E 20 77 65 6C 6C 20 69 6E 74 6F 20 4D 50 45 y have also gotten well into MPE 00002EA0 47 20 70 68 61 73 65 20 49 49 2C 20 77 68 6F 73 65 20 74 61 73 6B 20 69 73 20 74 6F 20 64 65 66 G phase II, whose task is to def 00002EC0 69 6E 65 20 61 20 62 69 74 73 74 72 65 61 6D 20 66 6F 72 20 76 69 64 65 6F 20 61 6E 64 20 61 75 ine a bitstream for video and au 00002EE0 64 69 6F 20 63 6F 64 65 64 20 61 74 20 61 72 6F 75 6E 64 20 33 20 74 6F 20 31 30 20 4D 62 69 74 dio coded at around 3 to 10 Mbit 00002F00 73 2F 73 2E 00 00 62 00 00 00 32 00 00 00 45 87 00 00 8C 8A 00 00 30 00 00 00 20 30 80 64 00 80 s/s...b...2...Eç..îè..0... 0Çd.Ç 00002F20 00 00 00 00 E3 74 DC E9 D9 80 05 00 89 82 E3 8A 55 F4 25 89 82 FF 00 00 52 65 74 75 72 6E 20 74 ....πt▄Θ┘Ç♣.ëéπèU⌠%ëé ..Return t 00002F40 6F 20 49 6E 74 72 6F 64 75 63 74 69 6F 6E 00 20 00 00 52 65 74 75 72 6E 20 74 6F 20 43 6F 6E 74 o Introduction. ..Return to Cont 00002F60 65 6E 74 73 00 20 00 00 45 00 00 00 14 00 00 00 2A 8A 00 00 D1 8A 00 00 31 00 00 00 02 83 08 00 ents. ..E...¶...*è..╤è..1...☻â◘. 00002F80 00 FF FF FF FF FF FF FF FF 0F 00 00 00 FF FF FF FF D1 8A 00 00 1B C3 00 00 48 6F 77 20 64 6F 65 . ☼... ╤è..←├..How doe 00002FA0 73 20 4D 50 45 47 20 49 20 77 6F 72 6B DC 07 00 00 AF 07 00 00 8C 8A 00 00 B9 C2 00 00 2D 00 00 s MPEG I work▄•..»•..îè..╣┬..-.. 00002FC0 00 20 28 80 5F 0F 00 80 00 00 00 00 80 0D 00 82 80 0E 00 82 80 09 00 82 82 FF 00 00 00 51 2E 20 . (Ç_☼.Ç....Ç♪.éÇ♫.éÇ○.éé ...Q. 00002FE0 53 6F 20 68 6F 77 20 64 6F 65 73 20 4D 50 45 47 20 49 20 77 6F 72 6B 3F 20 00 00 00 41 2E 20 46 So how does MPEG I work? ...A. F 00003000 69 72 73 74 20 6F 66 66 2C 20 69 74 20 73 74 61 72 74 73 20 77 69 74 68 20 61 20 72 65 6C 61 74 irst off, it starts with a relat 00003020 69 76 65 6C 79 20 6C 6F 77 20 72 65 73 6F 6C 75 74 69 6F 6E 20 76 69 64 65 6F 73 65 71 75 65 6E ively low resolution videosequen 00003040 63 65 20 28 70 6F 73 73 69 62 6C 79 20 64 65 63 69 6D 61 74 65 64 20 66 72 6F 6D 20 74 68 65 20 ce (possibly decimated from the 00003060 6F 72 69 67 69 6E 61 6C 29 20 6F 66 20 61 62 6F 75 74 20 33 35 32 20 62 79 20 32 34 30 20 66 72 original) of about 352 by 240 fr 00003080 61 6D 65 73 20 62 79 20 33 30 20 66 72 61 6D 65 73 2F 73 20 28 55 53 2D 2D 64 69 66 66 65 72 65 ames by 30 frames/s (US--differe 000030A0 6E 74 20 6E 75 6D 62 65 72 73 20 66 6F 72 20 45 75 72 6F 70 65 29 2C 20 62 75 74 20 6F 72 69 67 nt numbers for Europe), but orig 000030C0 69 6E 61 6C 20 68 69 67 68 20 28 43 44 29 20 71 75 61 6C 69 74 79 20 61 75 64 69 6F 2E 20 20 54 inal high (CD) quality audio. T 000030E0 68 65 20 69 6D 61 67 65 73 20 61 72 65 20 69 6E 20 63 6F 6C 6F 72 2C 20 62 75 74 20 63 6F 6E 76 he images are in color, but conv 00003100 65 72 74 65 64 20 74 6F 20 59 55 56 20 73 70 61 63 65 2C 20 61 6E 64 20 74 68 65 20 74 77 6F 20 erted to YUV space, and the two 00003120 63 68 72 6F 6D 69 6E 61 6E 63 65 20 63 68 61 6E 6E 65 6C 73 20 28 55 20 61 6E 64 20 56 29 20 61 chrominance channels (U and V) a 00003140 72 65 20 64 65 63 69 6D 61 74 65 64 20 66 75 72 74 68 65 72 20 74 6F 20 31 37 36 20 62 79 20 31 re decimated further to 176 by 1 00003160 32 30 20 70 69 78 65 6C 73 2E 20 20 49 74 20 74 75 72 6E 73 20 6F 75 74 20 74 68 61 74 20 79 6F 20 pixels. It turns out that yo 00003180 75 20 63 61 6E 20 67 65 74 20 61 77 61 79 20 77 69 74 68 20 61 20 6C 6F 74 20 6C 65 73 73 20 72 u can get away with a lot less r 000031A0 65 73 6F 6C 75 74 69 6F 6E 20 69 6E 20 74 68 6F 73 65 20 63 68 61 6E 6E 65 6C 73 20 61 6E 64 20 esolution in those channels and 000031C0 6E 6F 74 20 6E 6F 74 69 63 65 20 69 74 2C 20 61 74 20 6C 65 61 73 74 20 69 6E 20 22 6E 61 74 75 not notice it, at least in "natu 000031E0 72 61 6C 22 20 28 6E 6F 74 20 63 6F 6D 70 75 74 65 72 20 67 65 6E 65 72 61 74 65 64 29 20 69 6D ral" (not computer generated) im 00003200 61 67 65 73 2E 54 68 65 20 62 61 73 69 63 20 73 63 68 65 6D 65 20 69 73 20 74 6F 20 70 72 65 64 ages.The basic scheme is to pred 00003220 69 63 74 20 6D 6F 74 69 6F 6E 20 66 72 6F 6D 20 66 72 61 6D 65 20 74 6F 20 66 72 61 6D 65 20 69 ict motion from frame to frame i 00003240 6E 20 74 68 65 20 74 65 6D 70 6F 72 61 6C 20 64 69 72 65 63 74 69 6F 6E 2C 20 61 6E 64 20 74 68 n the temporal direction, and th 00003260 65 6E 20 74 6F 20 75 73 65 20 44 43 54 27 73 20 28 64 69 73 63 72 65 74 65 20 63 6F 73 69 6E 65 en to use DCT's (discrete cosine 00003280 20 74 72 61 6E 73 66 6F 72 6D 73 29 20 74 6F 20 6F 72 67 61 6E 69 7A 65 20 74 68 65 20 72 65 64 transforms) to organize the red 000032A0 75 6E 64 61 6E 63 79 20 69 6E 20 74 68 65 20 73 70 61 74 69 61 6C 20 64 69 72 65 63 74 69 6F 6E undancy in the spatial direction 000032C0 73 2E 20 54 68 65 20 44 43 54 27 73 20 61 72 65 20 64 6F 6E 65 20 6F 6E 20 38 78 38 20 62 6C 6F s. The DCT's are done on 8x8 blo 000032E0 63 6B 73 2C 20 61 6E 64 20 74 68 65 20 6D 6F 74 69 6F 6E 20 70 72 65 64 69 63 74 69 6F 6E 20 69 cks, and the motion prediction i 00003300 73 20 64 6F 6E 65 20 69 6E 20 74 68 65 20 6C 75 6D 69 6E 61 6E 63 65 20 28 59 29 20 63 68 61 6E s done in the luminance (Y) chan 00003320 6E 65 6C 20 6F 6E 20 31 36 78 31 36 20 62 6C 6F 63 6B 73 2E 20 20 49 6E 20 6F 74 68 65 72 20 77 nel on 16x16 blocks. In other w 00003340 6F 72 64 73 2C 20 67 69 76 65 6E 20 74 68 65 20 31 36 78 31 36 20 62 6C 6F 63 6B 20 69 6E 20 74 ords, given the 16x16 block in t 00003360 68 65 20 63 75 72 72 65 6E 74 20 66 72 61 6D 65 20 74 68 61 74 20 79 6F 75 20 61 72 65 20 74 72 he current frame that you are tr 00003380 79 69 6E 67 20 74 6F 20 63 6F 64 65 2C 20 79 6F 75 20 6C 6F 6F 6B 20 66 6F 72 20 61 20 63 6C 6F ying to code, you look for a clo 000033A0 73 65 20 6D 61 74 63 68 20 74 6F 20 74 68 61 74 20 62 6C 6F 63 6B 20 69 6E 20 61 20 70 72 65 76 se match to that block in a prev 000033C0 69 6F 75 73 20 6F 72 20 66 75 74 75 72 65 20 66 72 61 6D 65 20 28 74 68 65 72 65 20 61 72 65 20 ious or future frame (there are 000033E0 62 61 63 6B 77 61 72 64 20 70 72 65 64 69 63 74 69 6F 6E 20 6D 6F 64 65 73 20 77 68 65 72 65 20 backward prediction modes where 00003400 6C 61 74 65 72 20 66 72 61 6D 65 73 20 61 72 65 20 73 65 6E 74 20 66 69 72 73 74 20 74 6F 20 61 later frames are sent first to a 00003420 6C 6C 6F 77 20 69 6E 74 65 72 70 6F 6C 61 74 69 6E 67 20 62 65 74 77 65 65 6E 20 66 72 61 6D 65 llow interpolating between frame 00003440 73 29 2E 20 54 68 65 20 44 43 54 20 63 6F 65 66 66 69 63 69 65 6E 74 73 20 28 6F 66 20 65 69 74 s). The DCT coefficients (of eit 00003460 68 65 72 20 74 68 65 20 61 63 74 75 61 6C 20 64 61 74 61 2C 20 6F 72 20 74 68 65 20 64 69 66 66 her the actual data, or the diff 00003480 65 72 65 6E 63 65 20 62 65 74 77 65 65 6E 20 74 68 69 73 20 62 6C 6F 63 6B 20 61 6E 64 20 74 68 erence between this block and th 000034A0 65 20 63 6C 6F 73 65 20 6D 61 74 63 68 29 20 61 72 65 20 22 71 75 61 6E 74 69 7A 65 64 22 2C 20 e close match) are "quantized", 000034C0 77 68 69 63 68 20 6D 65 61 6E 73 20 74 68 61 74 20 79 6F 75 20 64 69 76 69 64 65 20 D1 8A 00 00 which means that you divide ╤è.. 000034E0 B9 C2 00 00 8C 8A 00 00 74 68 65 6D 20 62 79 20 73 6F 6D 65 20 76 61 6C 75 65 20 74 6F 20 64 72 ╣┬..îè..them by some value to dr 00003500 6F 70 20 62 69 74 73 20 6F 66 66 20 74 68 65 20 62 6F 74 74 6F 6D 20 65 6E 64 2E 20 20 48 6F 70 op bits off the bottom end. Hop 00003520 65 66 75 6C 6C 79 2C 20 6D 61 6E 79 20 6F 66 20 74 68 65 20 63 6F 65 66 66 69 63 69 65 6E 74 73 efully, many of the coefficients 00003540 20 77 69 6C 6C 20 74 68 65 6E 20 65 6E 64 20 75 70 20 62 65 69 6E 67 20 7A 65 72 6F 2E 20 20 54 will then end up being zero. T 00003560 68 65 20 71 75 61 6E 74 69 7A 61 74 69 6F 6E 20 63 61 6E 20 63 68 61 6E 67 65 20 66 6F 72 20 65 he quantization can change for e 00003580 76 65 72 79 20 22 6D 61 63 72 6F 62 6C 6F 63 6B 22 20 28 61 20 6D 61 63 72 6F 62 6C 6F 63 6B 20 very "macroblock" (a macroblock 000035A0 69 73 20 31 36 78 31 36 20 6F 66 20 59 20 61 6E 64 20 74 68 65 20 63 6F 72 72 65 73 70 6F 6E 64 is 16x16 of Y and the correspond 000035C0 69 6E 67 20 38 78 38 27 73 20 69 6E 20 62 6F 74 68 20 55 20 61 6E 64 20 56 29 2E 20 20 54 68 65 ing 8x8's in both U and V). The 000035E0 20 72 65 73 75 6C 74 73 20 6F 66 20 61 6C 6C 20 6F 66 20 74 68 69 73 2C 20 77 68 69 63 68 20 69 results of all of this, which i 00003600 6E 63 6C 75 64 65 20 74 68 65 20 44 43 54 20 63 6F 65 66 66 69 63 69 65 6E 74 73 2C 20 74 68 65 nclude the DCT coefficients, the 00003620 20 6D 6F 74 69 6F 6E 20 76 65 63 74 6F 72 73 2C 20 61 6E 64 20 74 68 65 20 71 75 61 6E 74 69 7A motion vectors, and the quantiz 00003640 61 74 69 6F 6E 20 70 61 72 61 6D 65 74 65 72 73 20 28 61 6E 64 20 6F 74 68 65 72 20 73 74 75 66 ation parameters (and other stuf 00003660 66 29 20 69 73 20 48 75 66 66 6D 61 6E 20 63 6F 64 65 64 20 75 73 69 6E 67 20 66 69 78 65 64 20 f) is Huffman coded using fixed 00003680 74 61 62 6C 65 73 2E 20 20 54 68 65 20 44 43 54 20 63 6F 65 66 66 69 63 69 65 6E 74 73 20 68 61 tables. The DCT coefficients ha 000036A0 76 65 20 61 20 73 70 65 63 69 61 6C 20 48 75 66 66 6D 61 6E 20 74 61 62 6C 65 20 74 68 61 74 20 ve a special Huffman table that 000036C0 69 73 20 22 74 77 6F 2D 64 69 6D 65 6E 73 69 6F 6E 61 6C 22 20 69 6E 20 74 68 61 74 20 6F 6E 65 is "two-dimensional" in that one 000036E0 20 63 6F 64 65 20 73 70 65 63 69 66 69 65 73 20 61 20 72 75 6E 2D 6C 65 6E 67 74 68 20 6F 66 20 code specifies a run-length of 00003700 7A 65 72 6F 73 20 61 6E 64 20 74 68 65 20 6E 6F 6E 2D 7A 65 72 6F 20 76 61 6C 75 65 20 74 68 61 zeros and the non-zero value tha 00003720 74 20 65 6E 64 65 64 20 74 68 65 20 72 75 6E 2E 20 20 41 6C 73 6F 2C 20 74 68 65 20 6D 6F 74 69 t ended the run. Also, the moti 00003740 6F 6E 20 76 65 63 74 6F 72 73 20 61 6E 64 20 74 68 65 20 44 43 20 44 43 54 20 63 6F 6D 70 6F 6E on vectors and the DC DCT compon 00003760 65 6E 74 73 20 61 72 65 20 44 50 43 4D 20 28 73 75 62 74 72 61 63 74 65 64 20 66 72 6F 6D 20 74 ents are DPCM (subtracted from t 00003780 68 65 20 6C 61 73 74 20 6F 6E 65 29 20 63 6F 64 65 64 2E 00 00 62 00 00 00 32 00 00 00 D1 8A 00 he last one) coded...b...2...╤è. 000037A0 00 1B C3 00 00 30 00 00 00 20 30 80 64 00 80 00 00 00 00 E3 74 DC E9 D9 80 05 00 89 82 E3 8A 55 .←├..0... 0Çd.Ç....πt▄Θ┘Ç♣.ëéπèU 000037C0 F4 25 89 82 FF 00 00 52 65 74 75 72 6E 20 74 6F 20 49 6E 74 72 6F 64 75 63 74 69 6F 6E 00 20 00 ⌠%ëé ..Return to Introduction. . 000037E0 00 52 65 74 75 72 6E 20 74 6F 20 43 6F 6E 74 65 6E 74 73 00 20 00 00 5F 00 00 00 2E 00 00 00 B9 .Return to Contents. .._.......╣ 00003800 C2 00 00 7A C3 00 00 31 00 00 00 02 79 09 00 00 FF FF FF FF FF FF FF FF 10 00 00 00 FF FF FF FF ┬..z├..1...☻y○.. ►... 00003820 7A C3 00 00 94 CC 00 00 53 6F 20 69 73 20 65 61 63 68 20 66 72 61 6D 65 20 70 72 65 64 69 63 74 z├..ö╠..So is each frame predict 00003840 65 64 20 66 72 6F 6D 20 74 68 65 20 6C 61 73 74 20 66 72 61 6D 65 FF 04 00 00 D2 04 00 00 1B C3 ed from the last frame ♦..╥♦..←├ 00003860 00 00 79 C8 00 00 2D 00 00 00 20 28 80 A5 09 00 80 00 00 00 00 80 0D 00 82 80 0E 00 82 80 09 00 ..y╚..-... (ÇÑ○.Ç....Ç♪.éÇ♫.éÇ○. 00003880 82 82 FF 00 00 00 51 2E 20 53 6F 20 69 73 20 65 61 63 68 20 66 72 61 6D 65 20 70 72 65 64 69 63 éé ...Q. So is each frame predic 000038A0 74 65 64 20 66 72 6F 6D 20 74 68 65 20 6C 61 73 74 20 66 72 61 6D 65 3F 20 00 00 00 41 2E 20 4E ted from the last frame? ...A. N 000038C0 6F 2E 54 68 65 20 73 63 68 65 6D 65 20 69 73 20 61 20 6C 69 74 74 6C 65 20 6D 6F 72 65 20 63 6F o.The scheme is a little more co 000038E0 6D 70 6C 69 63 61 74 65 64 20 74 68 61 6E 20 74 68 61 74 2E 20 54 68 65 72 65 20 61 72 65 20 74 mplicated than that. There are t 00003900 68 72 65 65 20 74 79 70 65 73 20 6F 66 20 63 6F 64 65 64 20 66 72 61 6D 65 73 2E 20 54 68 65 72 hree types of coded frames. Ther 00003920 65 20 61 72 65 20 22 49 22 20 6F 72 20 69 6E 74 72 61 20 66 72 61 6D 65 73 2E 20 54 68 65 79 20 e are "I" or intra frames. They 00003940 61 72 65 20 73 69 6D 70 6C 79 20 61 20 66 72 61 6D 65 20 63 6F 64 65 64 20 61 73 20 61 20 73 74 are simply a frame coded as a st 00003960 69 6C 6C 20 69 6D 61 67 65 2C 20 6E 6F 74 20 75 73 69 6E 67 20 61 6E 79 20 70 61 73 74 20 68 69 ill image, not using any past hi 00003980 73 74 6F 72 79 2E 20 20 59 6F 75 20 68 61 76 65 20 74 6F 20 73 74 61 72 74 20 73 6F 6D 65 77 68 story. You have to start somewh 000039A0 65 72 65 2E 20 20 54 68 65 6E 20 74 68 65 72 65 20 61 72 65 20 22 50 22 20 6F 72 20 70 72 65 64 ere. Then there are "P" or pred 000039C0 69 63 74 65 64 20 66 72 61 6D 65 73 2E 20 54 68 65 79 20 61 72 65 20 70 72 65 64 69 63 74 65 64 icted frames. They are predicted 000039E0 20 66 72 6F 6D 20 74 68 65 20 6D 6F 73 74 20 72 65 63 65 6E 74 6C 79 20 72 65 63 6F 6E 73 74 72 from the most recently reconstr 00003A00 75 63 74 65 64 20 49 20 6F 72 20 50 20 66 72 61 6D 65 2E 20 20 28 49 27 6D 20 64 65 73 63 72 69 ucted I or P frame. (I'm descri 00003A20 62 69 6E 67 20 74 68 69 73 20 66 72 6F 6D 20 74 68 65 20 70 6F 69 6E 74 20 6F 66 20 76 69 65 77 bing this from the point of view 00003A40 20 6F 66 20 74 68 65 20 64 65 63 6F 6D 70 72 65 73 73 6F 72 2E 29 20 20 45 61 63 68 20 6D 61 63 of the decompressor.) Each mac 00003A60 72 6F 62 6C 6F 63 6B 20 69 6E 20 61 20 50 20 66 72 61 6D 65 20 63 61 6E 20 65 69 74 68 65 72 20 roblock in a P frame can either 00003A80 63 6F 6D 65 20 77 69 74 68 20 61 20 76 65 63 74 6F 72 20 61 6E 64 20 64 69 66 66 65 72 65 6E 63 come with a vector and differenc 00003AA0 65 20 44 43 54 20 63 6F 65 66 66 69 63 69 65 6E 74 73 20 66 6F 72 20 61 20 63 6C 6F 73 65 20 6D e DCT coefficients for a close m 00003AC0 61 74 63 68 20 69 6E 20 74 68 65 20 6C 61 73 74 20 49 20 6F 72 20 50 2C 20 6F 72 20 69 74 20 63 atch in the last I or P, or it c 00003AE0 61 6E 20 6A 75 73 74 20 62 65 20 22 69 6E 74 72 61 22 20 63 6F 64 65 64 20 28 6C 69 6B 65 20 69 an just be "intra" coded (like i 00003B00 6E 20 74 68 65 20 49 20 66 72 61 6D 65 73 29 20 69 66 20 74 68 65 72 65 20 77 61 73 20 6E 6F 20 n the I frames) if there was no 00003B20 67 6F 6F 64 20 6D 61 74 63 68 2E 4C 61 73 74 6C 79 2C 20 74 68 65 72 65 20 61 72 65 20 22 42 22 good match.Lastly, there are "B" 00003B40 20 6F 72 20 62 69 64 69 72 65 63 74 69 6F 6E 61 6C 20 66 72 61 6D 65 73 2E 20 54 68 65 79 20 61 or bidirectional frames. They a 00003B60 72 65 20 70 72 65 64 69 63 74 65 64 20 66 72 6F 6D 20 74 68 65 20 63 6C 6F 73 65 73 74 20 74 77 re predicted from the closest tw 00003B80 6F 20 49 20 6F 72 20 50 20 66 72 61 6D 65 73 2C 20 6F 6E 65 20 69 6E 20 74 68 65 20 70 61 73 74 o I or P frames, one in the past 00003BA0 20 61 6E 64 20 6F 6E 65 20 69 6E 20 74 68 65 20 66 75 74 75 72 65 2E 20 20 59 6F 75 20 73 65 61 and one in the future. You sea 00003BC0 72 63 68 20 66 6F 72 20 6D 61 74 63 68 69 6E 67 20 62 6C 6F 63 6B 73 20 69 6E 20 74 68 6F 73 65 rch for matching blocks in those 00003BE0 20 66 72 61 6D 65 73 2C 20 61 6E 64 20 74 72 79 20 74 68 72 65 65 20 64 69 66 66 65 72 65 6E 74 frames, and try three different 00003C00 20 74 68 69 6E 67 73 20 74 6F 20 73 65 65 20 77 68 69 63 68 20 77 6F 72 6B 73 20 62 65 73 74 2E things to see which works best. 00003C20 20 20 28 4E 6F 77 20 49 20 68 61 76 65 20 74 68 65 20 70 6F 69 6E 74 20 6F 66 20 76 69 65 77 20 (Now I have the point of view 00003C40 6F 66 20 74 68 65 20 63 6F 6D 70 72 65 73 73 6F 72 2C 20 6A 75 73 74 20 74 6F 20 63 6F 6E 66 75 of the compressor, just to confu 00003C60 73 65 20 79 6F 75 2E 29 20 20 59 6F 75 20 74 72 79 20 75 73 69 6E 67 20 74 68 65 20 66 6F 72 77 se you.) You try using the forw 00003C80 61 72 64 20 76 65 63 74 6F 72 2C 20 74 68 65 20 62 61 63 6B 77 61 72 64 20 76 65 63 74 6F 72 2C ard vector, the backward vector, 00003CA0 20 61 6E 64 20 79 6F 75 20 74 72 79 20 61 76 65 72 61 67 69 6E 67 20 74 68 65 20 74 77 6F 20 62 and you try averaging the two b 00003CC0 6C 6F 63 6B 73 20 66 72 6F 6D 20 74 68 65 20 66 75 74 75 72 65 20 61 6E 64 20 70 61 73 74 20 66 locks from the future and past f 00003CE0 72 61 6D 65 73 2C 20 61 6E 64 20 73 75 62 74 72 61 63 74 69 6E 67 20 74 68 61 74 20 66 72 6F 6D rames, and subtracting that from 00003D00 20 74 68 65 20 62 6C 6F 63 6B 20 62 65 69 6E 67 20 63 6F 64 65 64 2E 20 20 49 66 20 6E 6F 6E 65 the block being coded. If none 00003D20 20 6F 66 20 74 68 6F 73 65 20 77 6F 72 6B 20 77 65 6C 6C 2C 20 79 6F 75 20 63 61 6E 20 69 6E 74 of those work well, you can int 00003D40 72 61 2D 20 63 6F 64 65 20 74 68 65 20 62 6C 6F 63 6B 2E 00 00 B9 03 00 00 93 03 00 00 7A C3 00 ra- code the block...╣♥..ô♥..z├. 00003D60 00 32 CC 00 00 26 00 00 00 20 1A 80 27 07 00 80 00 00 00 00 80 09 00 82 82 82 FF 00 54 68 65 20 .2╠..&... →Ç'•.Ç....Ç○.ééé .The 00003D80 73 65 71 75 65 6E 63 65 20 6F 66 20 64 65 63 6F 64 65 64 20 66 72 61 6D 65 73 20 75 73 75 61 6C sequence of decoded frames usual 00003DA0 6C 79 20 67 6F 65 73 20 6C 69 6B 65 3A 00 20 20 49 42 42 50 42 42 50 42 42 50 42 42 49 42 42 50 ly goes like:. IBBPBBPBBPBBIBBP 00003DC0 42 42 50 42 2E 2E 2E 20 00 57 68 65 72 65 20 74 68 65 72 65 20 61 72 65 20 31 32 20 66 72 61 6D BBPB... .Where there are 12 fram 00003DE0 65 73 20 66 72 6F 6D 20 49 20 74 6F 20 49 20 28 66 6F 72 20 55 53 20 61 6E 64 20 4A 61 70 61 6E es from I to I (for US and Japan 00003E00 20 61 6E 79 77 61 79 2E 29 20 54 68 69 73 20 69 73 20 62 61 73 65 64 20 6F 6E 20 61 20 72 61 6E anyway.) This is based on a ran 00003E20 64 6F 6D 20 61 63 63 65 73 73 20 72 65 71 75 69 72 65 6D 65 6E 74 20 74 68 61 74 20 79 6F 75 20 dom access requirement that you 00003E40 6E 65 65 64 20 61 20 73 74 61 72 74 69 6E 67 20 70 6F 69 6E 74 20 61 74 20 6C 65 61 73 74 20 6F need a starting point at least o 00003E60 6E 63 65 20 65 76 65 72 79 20 30 2E 34 20 73 65 63 6F 6E 64 73 20 6F 72 20 73 6F 2E 20 20 54 68 nce every 0.4 seconds or so. Th 00003E80 65 20 72 61 74 69 6F 20 6F 66 20 50 27 73 20 74 6F 20 42 27 73 20 69 73 20 62 61 73 65 64 20 6F e ratio of P's to B's is based o 00003EA0 6E 20 65 78 70 65 72 69 65 6E 63 65 2E 4F 66 20 63 6F 75 72 73 65 2C 20 66 6F 72 20 74 68 65 20 n experience.Of course, for the 00003EC0 64 65 63 6F 64 65 72 20 74 6F 20 77 6F 72 6B 2C 20 79 6F 75 20 68 61 76 65 20 74 6F 20 73 65 6E decoder to work, you have to sen 00003EE0 64 20 74 68 61 74 20 66 69 72 73 74 20 50 20 2A 62 65 66 6F 72 65 2A 20 74 68 65 20 66 69 72 73 d that first P *before* the firs 00003F00 74 20 74 77 6F 20 42 27 73 2C 20 73 6F 20 74 68 65 20 63 6F 6D 70 72 65 73 73 65 64 20 64 61 74 t two B's, so the compressed dat 00003F20 61 20 73 74 72 65 61 6D 20 65 6E 64 73 20 75 70 20 6C 6F 6F 6B 69 6E 67 20 6C 69 6B 65 3A 30 78 a stream ends up looking like:0x 00003F40 78 33 31 32 36 34 35 2E 2E 2E 77 68 65 72 65 20 74 68 6F 73 65 20 61 72 65 20 66 72 61 6D 65 20 x312645...where those are frame 00003F60 6E 75 6D 62 65 72 73 2E 20 20 78 78 20 6D 69 67 68 74 20 62 65 20 6E 6F 74 68 69 6E 67 20 28 69 numbers. xx might be nothing (i 00003F80 66 20 74 68 69 73 20 69 73 20 74 68 65 20 74 72 75 65 20 73 74 61 72 74 69 6E 67 20 70 6F 69 6E f this is the true starting poin 00003FA0 74 29 2C 20 6F 72 20 69 74 20 6D 69 67 68 74 20 62 65 20 74 68 65 20 42 27 73 20 6F 66 20 66 72 t), or it might be the B's of fr 00003FC0 61 6D 65 73 20 2D 32 20 61 6E 64 20 2D 31 20 69 66 20 77 65 27 72 65 20 69 6E 20 74 68 65 20 6D ames -2 and -1 if we're in the m 00003FE0 69 64 64 6C 65 20 6F 66 20 74 68 65 20 73 74 72 65 61 6D 20 73 6F 6D 65 77 68 65 72 65 2E 59 6F iddle of the stream somewhere.Yo 00004000 75 20 68 61 76 65 20 74 6F 20 64 65 63 6F 64 65 20 74 68 65 20 49 2C 20 74 68 65 6E 20 64 65 63 u have to decode the I, then dec 00004020 6F 64 65 20 74 68 65 20 50 2C 20 6B 65 65 70 20 62 6F 74 68 20 6F 66 20 74 68 6F 73 65 20 69 6E ode the P, keep both of those in 00004040 20 6D 65 6D 6F 72 79 2C 20 61 6E 64 20 74 68 65 6E 20 64 65 63 6F 64 65 20 74 68 65 20 74 77 6F memory, and then decode the two 00004060 20 42 27 73 2E 20 20 59 6F 75 20 70 72 6F 62 61 62 6C 79 20 64 69 73 70 6C 61 79 20 74 68 65 20 B's. You probably display the 00004080 49 20 77 68 69 6C 65 20 79 6F 75 27 72 65 20 64 65 63 6F 64 69 6E 67 20 74 68 65 20 50 2C 20 61 I while you're decoding the P, a 000040A0 6E 64 20 64 69 73 70 6C 61 79 20 74 68 65 20 42 27 73 20 61 73 20 79 6F 75 27 72 65 20 64 65 63 nd display the B's as you're dec 000040C0 6F 64 69 6E 67 20 74 68 65 6D 2C 20 61 6E 64 20 74 68 65 6E 20 64 69 73 70 6C 61 79 20 74 68 65 oding them, and then display the 000040E0 20 50 20 61 73 20 79 6F 75 27 72 65 20 64 65 63 6F 64 69 6E 67 20 74 68 65 20 6E 65 78 74 20 50 P as you're decoding the next P 00004100 2C 20 61 6E 64 20 73 6F 20 6F 6E 2E 00 00 62 00 00 00 32 00 00 00 79 C8 00 00 94 CC 00 00 30 00 , and so on...b...2...y╚..ö╠..0. 00004120 00 00 20 30 80 64 00 80 00 00 00 00 E3 74 DC E9 D9 80 05 00 89 82 E3 8A 55 F4 25 89 82 FF 00 00 .. 0Çd.Ç....πt▄Θ┘Ç♣.ëéπèU⌠%ëé .. 00004140 52 65 74 75 72 6E 20 74 6F 20 49 6E 74 72 6F 64 75 63 74 69 6F 6E 00 20 00 00 52 65 74 75 72 6E Return to Introduction. ..Return 00004160 20 74 6F 20 43 6F 6E 74 65 6E 74 73 00 20 00 00 5A 00 00 00 29 00 00 00 32 CC 00 00 EE CC 00 00 to Contents. ..Z...)...2╠..ε╠.. 00004180 31 00 00 00 02 FC 03 00 00 FF FF FF FF FF FF FF FF 11 00 00 00 FF FF FF FF EE CC 00 00 6C 00 01 1...☻ⁿ♥.. ◄... ε╠..l.☺ 000041A0 00 57 68 65 72 65 20 64 69 64 20 74 68 65 79 20 67 65 74 20 74 68 65 20 33 35 32 78 32 34 30 20 .Where did they get the 352x240 000041C0 69 6D 61 67 65 20 73 69 7A 65 72 03 00 00 45 03 00 00 94 CC 00 00 6C 00 01 00 2D 00 00 00 20 28 image sizer♥..E♥..ö╠..l.☺.-... ( 000041E0 80 8B 06 00 80 00 00 00 00 80 09 00 82 80 06 00 82 80 09 00 82 82 FF 00 00 00 51 2E 20 57 68 65 Çï♠.Ç....Ç○.éÇ♠.éÇ○.éé ...Q. Whe 00004200 72 65 20 64 69 64 20 74 68 65 79 20 67 65 74 20 33 35 32 78 32 34 30 20 69 6D 61 67 65 20 73 69 re did they get 352x240 image si 00004220 7A 65 3F 20 00 00 00 41 2E 20 54 68 61 74 20 64 65 72 69 76 65 73 20 66 72 6F 6D 20 74 68 65 20 ze? ...A. That derives from the 00004240 43 43 49 52 2D 36 30 31 20 64 69 67 69 74 61 6C 20 74 65 6C 65 76 69 73 69 6F 6E 20 73 74 61 6E CCIR-601 digital television stan 00004260 64 61 72 64 20 77 68 69 63 68 20 69 73 20 75 73 65 64 20 62 79 20 70 72 6F 66 65 73 73 69 6F 6E dard which is used by profession 00004280 61 6C 20 64 69 67 69 74 61 6C 20 76 69 64 65 6F 20 65 71 75 69 70 6D 65 6E 74 2E 20 20 49 74 20 al digital video equipment. It 000042A0 69 73 20 28 69 6E 20 74 68 65 20 55 53 29 20 37 32 30 20 62 79 20 32 34 33 20 62 79 20 36 30 20 is (in the US) 720 by 243 by 60 000042C0 66 69 65 6C 64 73 20 28 6E 6F 74 20 66 72 61 6D 65 73 29 20 70 65 72 20 73 65 63 6F 6E 64 2C 20 fields (not frames) per second, 000042E0 77 68 65 72 65 20 74 68 65 20 66 69 65 6C 64 73 20 61 72 65 20 69 6E 74 65 72 6C 61 63 65 64 20 where the fields are interlaced 00004300 77 68 65 6E 20 64 69 73 70 6C 61 79 65 64 2E 20 20 28 49 74 20 69 73 20 69 6D 70 6F 72 74 61 6E when displayed. (It is importan 00004320 74 20 74 6F 20 6E 6F 74 65 20 74 68 6F 75 67 68 20 74 68 61 74 20 66 69 65 6C 64 73 20 61 72 65 t to note though that fields are 00004340 20 61 63 74 75 61 6C 6C 79 20 61 63 71 75 69 72 65 64 20 61 6E 64 20 64 69 73 70 6C 61 79 65 64 actually acquired and displayed 00004360 20 61 20 36 30 74 68 20 6F 66 20 61 20 73 65 63 6F 6E 64 20 61 70 61 72 74 2E 29 20 20 54 68 65 a 60th of a second apart.) The 00004380 20 63 68 72 6F 6D 69 6E 61 6E 63 65 20 63 68 61 6E 6E 65 6C 73 20 61 72 65 20 33 36 30 20 62 79 chrominance channels are 360 by 000043A0 20 32 34 33 20 62 79 20 36 30 20 66 69 65 6C 64 73 20 61 20 73 65 63 6F 6E 64 2C 20 61 67 61 69 243 by 60 fields a second, agai 000043C0 6E 20 69 6E 74 65 72 6C 61 63 65 64 2E 20 20 54 68 69 73 20 64 65 67 72 65 65 20 6F 66 20 63 68 n interlaced. This degree of ch 000043E0 72 6F 6D 69 6E 61 6E 63 65 20 64 65 63 69 6D 61 74 69 6F 6E 20 28 32 3A 31 20 69 6E 20 74 68 65 rominance decimation (2:1 in the 00004400 20 68 6F 72 69 7A 6F 6E 74 61 6C 20 64 69 72 65 63 74 69 6F 6E 29 20 69 73 20 63 61 6C 6C 65 64 horizontal direction) is called 00004420 20 34 3A 32 3A 32 2E 20 20 54 68 65 20 73 6F 75 72 63 65 20 69 6E 70 75 74 20 66 6F 72 6D 61 74 4:2:2. The source input format 00004440 20 66 6F 72 20 4D 50 45 47 20 49 2C 20 63 61 6C 6C 65 64 20 53 49 46 2C 20 69 73 20 43 43 49 52 for MPEG I, called SIF, is CCIR 00004460 2D 36 30 31 20 64 65 63 69 6D 61 74 65 64 20 62 79 20 32 3A 31 20 69 6E 20 74 68 65 20 68 6F 72 -601 decimated by 2:1 in the hor 00004480 69 7A 6F 6E 74 61 6C 20 64 69 72 65 63 74 69 6F 6E 2C 20 32 3A 31 20 69 6E 20 74 68 65 20 74 69 izontal direction, 2:1 in the ti 000044A0 6D 65 20 64 69 72 65 63 74 69 6F 6E 2C 20 61 6E 64 20 61 6E 20 61 64 64 69 74 69 6F 6E 61 6C 20 me direction, and an additional 000044C0 32 3A 31 20 69 6E 20 74 68 65 20 63 68 72 6F 6D 69 6E 61 6E 63 65 20 76 65 72 74 69 EE CC 00 00 2:1 in the chrominance vertiε╠.. 000044E0 6C 00 01 00 94 CC 00 00 63 61 6C 20 64 69 72 65 63 74 69 6F 6E 2E 20 20 41 6E 64 20 73 6F 6D 65 l.☺.ö╠..cal direction. And some 00004500 20 6C 69 6E 65 73 20 61 72 65 20 63 75 74 20 6F 66 66 20 74 6F 20 6D 61 6B 65 20 73 75 72 65 20 lines are cut off to make sure 00004520 74 68 69 6E 67 73 20 64 69 76 69 64 65 20 62 79 20 38 20 6F 72 20 31 36 20 77 68 65 72 65 20 6E things divide by 8 or 16 where n 00004540 65 65 64 65 64 2E 00 00 46 00 00 00 15 00 00 00 EE CC 00 00 B2 00 01 00 31 00 00 00 02 2B 02 00 eeded...F...§...ε╠..▓.☺.1...☻+☻. 00004560 00 FF FF FF FF FF FF FF FF 12 00 00 00 FF FF FF FF B2 00 01 00 97 02 01 00 57 68 61 74 20 69 66 . ↕... ▓.☺.ù☻☺.What if 00004580 20 49 27 6D 20 69 6E 20 45 75 72 6F 70 65 E5 01 00 00 A7 01 00 00 6C 00 01 00 97 02 01 00 3E 00 I'm in Europeσ☺..º☺..l.☺.ù☻☺.>. 000045A0 00 00 20 4A 80 4F 03 00 80 00 00 00 00 80 09 00 82 80 06 00 82 80 09 00 82 82 E3 74 DC E9 D9 80 .. JÇO♥.Ç....Ç○.éÇ♠.éÇ○.ééπt▄Θ┘Ç 000045C0 05 00 89 82 E3 8A 55 F4 25 89 82 FF 00 00 00 51 2E 20 57 68 61 74 20 69 66 20 49 27 6D 20 69 6E ♣.ëéπèU⌠%ëé ...Q. What if I'm in 000045E0 20 45 75 72 6F 70 65 3F 20 00 20 00 00 41 2E 20 46 6F 72 20 35 30 20 48 7A 20 64 69 73 70 6C 61 Europe? . ..A. For 50 Hz displa 00004600 79 20 73 74 61 6E 64 61 72 64 73 20 28 50 41 4C 2C 20 53 45 43 41 4D 29 20 63 68 61 6E 67 65 20 y standards (PAL, SECAM) change 00004620 74 68 65 20 6E 75 6D 62 65 72 20 6F 66 20 6C 69 6E 65 73 20 69 6E 20 61 20 66 69 65 6C 64 20 66 the number of lines in a field f 00004640 72 6F 6D 20 32 34 33 20 6F 72 20 32 34 30 20 74 6F 20 32 38 38 2C 20 61 6E 64 20 63 68 61 6E 67 rom 243 or 240 to 288, and chang 00004660 65 20 74 68 65 20 64 69 73 70 6C 61 79 20 72 61 74 65 20 74 6F 20 35 30 20 66 69 65 6C 64 73 2F e the display rate to 50 fields/ 00004680 73 20 6F 72 20 32 35 20 66 72 61 6D 65 73 2F 73 2E 20 20 53 69 6D 69 6C 61 72 6C 79 2C 20 63 68 s or 25 frames/s. Similarly, ch 000046A0 61 6E 67 65 20 74 68 65 20 31 32 30 20 6C 69 6E 65 73 20 69 6E 20 74 68 65 20 64 65 63 69 6D 61 ange the 120 lines in the decima 000046C0 74 65 64 20 63 68 72 6F 6D 69 6E 61 6E 63 65 20 63 68 61 6E 6E 65 6C 73 20 74 6F 20 31 34 34 20 ted chrominance channels to 144 000046E0 6C 69 6E 65 73 2E 20 20 53 69 6E 63 65 20 32 38 38 2A 35 30 20 69 73 20 65 78 61 63 74 6C 79 20 lines. Since 288*50 is exactly 00004700 65 71 75 61 6C 20 74 6F 20 32 34 30 2A 36 30 2C 20 74 68 65 20 74 77 6F 20 66 6F 72 6D 61 74 73 equal to 240*60, the two formats 00004720 20 68 61 76 65 20 74 68 65 20 73 61 6D 65 20 73 6F 75 72 63 65 20 64 61 74 61 20 72 61 74 65 2E have the same source data rate. 00004740 00 00 00 52 65 74 75 72 6E 20 74 6F 20 49 6E 74 72 6F 64 75 63 74 69 6F 6E 00 20 00 00 52 65 74 ...Return to Introduction. ..Ret 00004760 75 72 6E 20 74 6F 20 43 6F 6E 74 65 6E 74 73 00 20 00 00 4D 00 00 00 1C 00 00 00 B2 00 01 00 E4 urn to Contents. ..M...∟...▓.☺.Σ 00004780 02 01 00 31 00 00 00 02 2C 05 00 00 FF FF FF FF FF FF FF FF 13 00 00 00 FF FF FF FF E4 02 01 00 ☻☺.1...☻,♣.. ‼... Σ☻☺. 000047A0 C3 07 01 00 57 68 61 74 20 61 62 6F 75 74 20 61 75 64 69 6F 20 63 6F 6D 70 72 65 73 73 69 6F 6E ├•☺.What about audio compression 000047C0 7D 04 00 00 50 04 00 00 97 02 01 00 61 07 01 00 2D 00 00 00 20 28 80 A1 08 00 80 00 00 00 00 80 }♦..P♦..ù☻☺.a•☺.-... (Çí◘.Ç....Ç 000047E0 09 00 82 80 06 00 82 80 09 00 82 82 FF 00 00 00 51 2E 20 57 68 61 74 20 61 62 6F 75 74 20 61 75 ○.éÇ♠.éÇ○.éé ...Q. What about au 00004800 64 69 6F 20 63 6F 6D 70 72 65 73 73 69 6F 6E 2E 20 00 00 00 41 2E 20 57 65 6C 6C 2C 20 49 20 64 dio compression. ...A. Well, I d 00004820 6F 6E 27 74 20 6B 6E 6F 77 20 61 73 20 6D 75 63 68 20 61 62 6F 75 74 20 74 68 65 20 61 75 64 69 on't know as much about the audi 00004840 6F 20 63 6F 6D 70 72 65 73 73 69 6F 6E 2E 20 42 61 73 69 63 61 6C 6C 79 20 74 68 65 79 20 75 73 o compression. Basically they us 00004860 65 20 76 65 72 79 20 63 61 72 65 66 75 6C 6C 79 20 64 65 76 65 6C 6F 70 65 64 20 70 73 79 63 68 e very carefully developed psych 00004880 6F 61 63 6F 75 73 74 69 63 20 6D 6F 64 65 6C 73 20 64 65 72 69 76 65 64 20 66 72 6F 6D 20 65 78 oacoustic models derived from ex 000048A0 70 65 72 69 6D 65 6E 74 73 20 77 69 74 68 20 74 68 65 20 62 65 73 74 20 6F 62 74 61 69 6E 61 62 periments with the best obtainab 000048C0 6C 65 20 6C 69 73 74 65 6E 65 72 73 20 74 6F 20 70 69 63 6B 20 6F 75 74 20 70 69 65 63 65 73 20 le listeners to pick out pieces 000048E0 6F 66 20 74 68 65 20 73 6F 75 6E 64 20 74 68 61 74 20 79 6F 75 20 63 61 6E 27 74 20 68 65 61 72 of the sound that you can't hear 00004900 2E 20 20 54 68 65 72 65 20 61 72 65 20 77 68 61 74 20 61 72 65 20 63 61 6C 6C 65 64 20 22 6D 61 . There are what are called "ma 00004920 73 6B 69 6E 67 22 20 65 66 66 65 63 74 73 20 77 68 65 72 65 2C 20 66 6F 72 20 65 78 61 6D 70 6C sking" effects where, for exampl 00004940 65 2C 20 61 20 6C 61 72 67 65 20 63 6F 6D 70 6F 6E 65 6E 74 20 61 74 20 6F 6E 65 20 66 72 65 71 e, a large component at one freq 00004960 75 65 6E 63 79 20 77 69 6C 6C 20 70 72 65 76 65 6E 74 20 79 6F 75 20 66 72 6F 6D 20 68 65 61 72 uency will prevent you from hear 00004980 69 6E 67 20 6C 6F 77 65 72 20 65 6E 65 72 67 79 20 70 61 72 74 73 20 61 74 20 6E 65 61 72 62 79 ing lower energy parts at nearby 000049A0 20 66 72 65 71 75 65 6E 63 69 65 73 2C 20 77 68 65 72 65 20 74 68 65 20 72 65 6C 61 74 69 76 65 frequencies, where the relative 000049C0 20 65 6E 65 72 67 79 20 76 73 2E 20 66 72 65 71 75 65 6E 63 79 20 74 68 61 74 20 69 73 20 6D 61 energy vs. frequency that is ma 000049E0 73 6B 65 64 20 69 73 20 64 65 73 63 72 69 62 65 64 20 62 79 20 73 6F 6D 65 20 65 6D 70 69 72 69 sked is described by some empiri 00004A00 63 61 6C 20 63 75 72 76 65 2E 20 20 54 68 65 72 65 20 61 72 65 20 73 69 6D 69 6C 61 72 20 74 65 cal curve. There are similar te 00004A20 6D 70 6F 72 61 6C 20 6D 61 73 6B 69 6E 67 20 65 66 66 65 63 74 73 2C 20 61 73 20 77 65 6C 6C 20 mporal masking effects, as well 00004A40 61 73 20 73 6F 6D 65 20 6D 6F 72 65 20 63 6F 6D 70 6C 69 63 61 74 65 64 20 69 6E 74 65 72 61 63 as some more complicated interac 00004A60 74 69 6F 6E 73 20 77 68 65 72 65 20 61 20 74 65 6D 70 6F 72 61 6C 20 65 66 66 65 63 74 20 63 61 tions where a temporal effect ca 00004A80 6E 20 75 6E 6D 61 73 6B 20 61 20 66 72 65 71 75 65 6E 63 79 2C 20 61 6E 64 20 76 69 63 65 2D 76 n unmask a frequency, and vice-v 00004AA0 65 72 73 61 2E 54 68 65 20 73 6F 75 6E 64 20 69 73 20 62 72 6F 6B 65 6E 20 75 70 20 69 6E 74 6F ersa.The sound is broken up into 00004AC0 20 73 70 65 63 74 72 61 6C 20 63 68 75 6E 6B 73 20 77 69 74 68 20 61 20 68 79 62 72 69 64 20 73 spectral chunks with a hybrid s 00004AE0 63 68 65 6D 65 20 74 68 61 74 20 63 6F 6D 62 69 6E 65 73 20 73 69 6E 65 20 74 72 61 6E 73 66 6F cheme that combines sine transfo 00004B00 72 6D 73 20 77 69 74 68 20 73 75 62 62 61 6E 64 20 74 72 61 6E 73 66 6F 72 6D 73 2C 20 61 6E 64 rms with subband transforms, and 00004B20 20 74 68 65 20 70 73 79 63 68 6F 61 63 6F 75 73 74 69 63 20 6D 6F 64 65 6C 20 77 72 69 74 74 65 the psychoacoustic model writte 00004B40 6E 20 69 6E 20 74 65 72 6D 73 20 6F 66 20 74 68 6F 73 65 20 63 68 75 6E 6B 73 2E 20 57 68 61 74 n in terms of those chunks. What 00004B60 65 76 65 72 20 63 61 6E 20 62 65 20 72 65 6D 6F 76 65 64 20 6F 72 20 72 65 64 75 63 65 64 20 69 ever can be removed or reduced i 00004B80 6E 20 70 72 65 63 69 73 69 6F 6E 20 69 73 2C 20 61 6E 64 20 74 68 65 20 72 65 6D 61 69 6E 64 65 n precision is, and the remainde 00004BA0 72 20 69 73 20 73 65 6E 74 2E 20 20 49 74 27 73 20 61 20 6C 69 74 74 6C 65 20 6D 6F 72 65 20 63 r is sent. It's a little more c 00004BC0 6F 6D 70 6C 69 63 61 74 65 64 20 74 68 61 6E 20 74 68 61 74 2C 20 73 69 6E 63 65 20 74 68 65 20 omplicated than that, since the 00004BE0 62 69 74 73 20 68 61 76 65 20 74 6F 20 62 65 20 61 6C 6C 6F 63 61 74 65 64 20 61 63 72 6F 73 73 bits have to be allocated across 00004C00 20 74 68 65 20 62 61 6E 64 73 2E 20 20 41 6E 64 2C 20 6F 66 20 63 6F 75 72 73 65 2C 20 77 68 61 the bands. And, of course, wha 00004C20 74 20 69 73 20 73 65 6E 74 20 69 73 20 65 6E 74 72 6F 70 79 20 63 6F 64 65 64 2E 00 00 62 00 00 t is sent is entropy coded...b.. 00004C40 00 32 00 00 00 E4 02 01 00 C3 07 01 00 30 00 00 00 20 30 80 64 00 80 00 00 00 00 E3 74 DC E9 D9 .2...Σ☻☺.├•☺.0... 0Çd.Ç....πt▄Θ┘ 00004C60 80 05 00 89 82 E3 8A 55 F4 25 89 82 FF 00 00 52 65 74 75 72 6E 20 74 6F 20 49 6E 74 72 6F 64 75 Ç♣.ëéπèU⌠%ëé ..Return to Introdu 00004C80 63 74 69 6F 6E 00 20 00 00 52 65 74 75 72 6E 20 74 6F 20 43 6F 6E 74 65 6E 74 73 00 20 00 00 4F ction. ..Return to Contents. ..O 00004CA0 00 00 00 1E 00 00 00 61 07 01 00 12 08 01 00 31 00 00 00 02 BA 05 00 00 FF FF FF FF FF FF FF FF ...▲...a•☺.↕◘☺.1...☻║♣.. 00004CC0 14 00 00 00 FF FF FF FF 12 08 01 00 7D 0D 01 00 53 6F 20 68 6F 77 20 77 65 6C 6C 20 64 6F 65 73 ¶... ↕◘☺.}♪☺.So how well does 00004CE0 20 4D 50 45 47 20 63 6F 6D 70 72 65 73 73 09 05 00 00 DC 04 00 00 C3 07 01 00 1B 0D 01 00 2D 00 MPEG compress○♣..▄♦..├•☺.←♪☺.-. 00004D00 00 00 20 28 80 B9 09 00 80 00 00 00 00 80 09 00 82 80 06 00 82 80 09 00 82 82 FF 00 00 00 51 2E .. (Ç╣○.Ç....Ç○.éÇ♠.éÇ○.éé ...Q. 00004D20 20 53 6F 20 68 6F 77 20 77 65 6C 6C 20 64 6F 65 73 20 4D 50 45 47 20 63 6F 6D 70 72 65 73 73 3F So how well does MPEG compress? 00004D40 20 00 00 00 41 2E 20 41 73 20 49 20 6D 65 6E 74 69 6F 6E 65 64 20 62 65 66 6F 72 65 2C 20 61 75 ...A. As I mentioned before, au 00004D60 64 69 6F 20 43 44 20 64 61 74 61 20 72 61 74 65 73 20 61 72 65 20 61 62 6F 75 74 20 31 2E 35 20 dio CD data rates are about 1.5 00004D80 4D 62 69 74 73 2F 73 2E 20 59 6F 75 20 63 61 6E 20 63 6F 6D 70 72 65 73 73 20 74 68 65 20 73 61 Mbits/s. You can compress the sa 00004DA0 6D 65 20 73 74 65 72 65 6F 20 70 72 6F 67 72 61 6D 20 64 6F 77 6E 20 74 6F 20 32 35 36 20 4B 62 me stereo program down to 256 Kb 00004DC0 69 74 73 2F 73 20 77 69 74 68 20 6E 6F 20 6C 6F 73 73 20 69 6E 20 64 69 73 63 65 72 6E 61 62 6C its/s with no loss in discernabl 00004DE0 65 20 71 75 61 6C 69 74 79 2E 20 20 28 53 6F 20 74 68 65 79 20 73 61 79 2E 20 20 46 6F 72 20 74 e quality. (So they say. For t 00004E00 68 65 20 6D 6F 73 74 20 70 61 72 74 20 69 74 27 73 20 74 72 75 65 2C 20 62 75 74 20 65 76 65 72 he most part it's true, but ever 00004E20 79 20 6F 6E 63 65 20 69 6E 20 61 20 77 68 69 6C 65 20 61 20 77 65 69 72 64 20 74 68 69 6E 67 20 y once in a while a weird thing 00004E40 6D 69 67 68 74 20 68 61 70 70 65 6E 20 74 68 61 74 20 79 6F 75 27 6C 6C 20 6E 6F 74 69 63 65 2E might happen that you'll notice. 00004E60 20 20 48 6F 77 65 76 65 72 20 74 68 65 20 65 66 66 65 63 74 20 69 73 20 76 65 72 79 20 73 6D 61 However the effect is very sma 00004E80 6C 6C 2C 20 61 6E 64 20 69 74 20 74 61 6B 65 73 20 61 20 6C 69 73 74 65 6E 65 72 20 74 72 61 69 ll, and it takes a listener trai 00004EA0 6E 65 64 20 74 6F 20 6E 6F 74 69 63 65 20 74 68 65 73 65 20 70 61 72 74 69 63 75 6C 61 72 20 74 ned to notice these particular t 00004EC0 79 70 65 73 20 6F 66 20 65 66 66 65 63 74 73 2E 29 20 54 68 61 74 27 73 20 61 62 6F 75 74 20 36 ypes of effects.) That's about 6 00004EE0 3A 31 20 63 6F 6D 70 72 65 73 73 69 6F 6E 2E 20 20 53 6F 2C 20 61 20 43 44 20 4D 50 45 47 20 49 :1 compression. So, a CD MPEG I 00004F00 20 73 74 72 65 61 6D 20 77 6F 75 6C 64 20 68 61 76 65 20 61 62 6F 75 74 20 31 2E 32 35 20 4D 42 stream would have about 1.25 MB 00004F20 69 74 73 2F 73 20 6C 65 66 74 20 66 6F 72 20 76 69 64 65 6F 2E 20 54 68 65 20 6E 75 6D 62 65 72 its/s left for video. The number 00004F40 20 49 20 75 73 75 61 6C 6C 79 20 73 65 65 20 74 68 6F 75 67 68 20 69 73 20 31 2E 31 35 20 4D 42 I usually see though is 1.15 MB 00004F60 69 74 73 2F 73 20 28 6D 61 79 62 65 20 79 6F 75 20 6E 65 65 64 20 74 68 65 20 72 65 73 74 20 66 its/s (maybe you need the rest f 00004F80 6F 72 20 74 68 65 20 73 79 73 74 65 6D 20 64 61 74 61 20 73 74 72 65 61 6D 29 2E 20 20 59 6F 75 or the system data stream). You 00004FA0 20 63 61 6E 20 74 68 65 6E 20 63 61 6C 63 75 6C 61 74 65 20 74 68 65 20 76 69 64 65 6F 20 63 6F can then calculate the video co 00004FC0 6D 70 72 65 73 73 69 6F 6E 20 72 61 74 69 6F 20 66 72 6F 6D 20 74 68 65 20 6E 75 6D 62 65 72 73 mpression ratio from the numbers 00004FE0 20 68 65 72 65 20 74 6F 20 62 65 20 61 62 6F 75 74 20 32 36 3A 31 2E 20 20 49 66 20 79 6F 75 20 here to be about 26:1. If you 00005000 73 74 65 70 20 62 61 63 6B 20 61 6E 64 20 74 68 69 6E 6B 20 61 62 6F 75 74 20 74 68 61 74 2C 20 step back and think about that, 00005020 69 74 27 73 20 6C 69 74 74 6C 65 20 73 68 6F 72 74 20 6F 66 20 61 20 6D 69 72 61 63 6C 65 2E 20 it's little short of a miracle. 00005040 20 4F 66 20 63 6F 75 72 73 65 2C 20 69 74 27 73 20 6C 6F 73 73 79 20 63 6F 6D 70 72 65 73 73 69 Of course, it's lossy compressi 00005060 6F 6E 2C 20 62 75 74 20 69 74 20 63 61 6E 20 62 65 20 70 72 65 74 74 79 20 68 61 72 64 20 73 6F on, but it can be pretty hard so 00005080 6D 65 74 69 6D 65 73 20 74 6F 20 73 65 65 20 74 68 65 20 6C 6F 73 73 2C 20 69 66 20 79 6F 75 27 metimes to see the loss, if you' 000050A0 72 65 20 63 6F 6D 70 61 72 69 6E 67 20 74 68 65 20 53 49 46 20 6F 72 69 67 69 6E 61 6C 20 74 6F re comparing the SIF original to 000050C0 20 74 68 65 20 53 49 46 20 64 65 63 6F 6D 70 72 65 73 73 65 64 2E 20 20 54 68 65 72 65 20 69 73 the SIF decompressed. There is 000050E0 2C 20 68 6F 77 65 76 65 72 2C 20 61 20 76 65 72 79 20 6E 6F 74 69 63 65 61 62 6C 65 20 6C 6F 73 , however, a very noticeable los 00005100 73 20 69 66 20 79 6F 75 27 72 65 20 63 6F 6D 69 6E 67 20 66 72 6F 6D 20 43 43 49 52 2D 36 30 31 s if you're coming from CCIR-601 00005120 20 61 6E 64 20 68 61 76 65 20 74 6F 20 64 65 63 69 6D 61 74 65 20 74 6F 20 53 49 46 2C 20 62 75 and have to decimate to SIF, bu 00005140 74 20 74 68 61 74 27 73 20 61 6E 6F 74 68 65 72 20 6D 61 74 74 65 72 2E 20 20 49 27 6D 20 6E 6F t that's another matter. I'm no 00005160 74 20 63 6F 75 6E 74 69 6E 67 20 74 68 61 74 20 69 6E 20 74 68 65 20 32 36 3A 31 2E 54 68 65 20 t counting that in the 26:1.The 00005180 73 74 61 6E 64 61 72 64 20 61 6C 73 6F 20 70 72 6F 76 69 64 65 73 20 66 6F 72 20 6F 74 68 65 72 standard also provides for other 000051A0 20 62 69 74 20 72 61 74 65 73 20 72 61 6E 67 69 6E 67 20 66 72 6F 6D 20 33 32 4B 62 69 74 73 2F bit rates ranging from 32Kbits/ 000051C0 73 20 66 6F 72 20 61 20 73 69 6E 67 6C 65 20 63 68 61 6E 6E 65 6C 2C 20 75 70 20 74 6F 20 34 34 s for a single channel, up to 44 000051E0 38 20 4B 62 69 74 73 2F 73 20 66 6F 72 20 73 74 65 72 65 6F 2E 00 00 62 00 00 00 32 00 00 00 12 8 Kbits/s for stereo...b...2...↕ 00005200 08 01 00 7D 0D 01 00 30 00 00 00 20 30 80 64 00 80 00 00 00 00 E3 74 DC E9 D9 80 05 00 89 82 E3 ◘☺.}♪☺.0... 0Çd.Ç....πt▄Θ┘Ç♣.ëéπ 00005220 8A 55 F4 25 89 82 FF 00 00 52 65 74 75 72 6E 20 74 6F 20 49 6E 74 72 6F 64 75 63 74 69 6F 6E 00 èU⌠%ëé ..Return to Introduction. 00005240 20 00 00 52 65 74 75 72 6E 20 74 6F 20 43 6F 6E 74 65 6E 74 73 00 20 00 00 46 00 00 00 15 00 00 ..Return to Contents. ..F...§.. 00005260 00 1B 0D 01 00 C3 0D 01 00 31 00 00 00 02 ED 02 00 00 FF FF FF FF FF FF FF FF 15 00 00 00 FF FF .←♪☺.├♪☺.1...☻φ☻.. §... 00005280 FF FF C3 0D 01 00 6E 40 01 00 57 68 61 74 20 69 73 20 4D 50 45 47 20 70 68 61 73 65 20 49 49 28 ├♪☺.n@☺.What is MPEG phase II( 000052A0 02 00 00 FB 01 00 00 7D 0D 01 00 0C 40 01 00 2D 00 00 00 20 28 80 F7 03 00 80 00 00 00 00 80 09 ☻..√☺..}♪☺.♀@☺.-... (Ç≈♥.Ç....Ç○ 000052C0 00 82 80 06 00 82 80 09 00 82 82 FF 00 00 00 51 2E 20 57 68 61 74 20 69 73 20 4D 50 45 47 20 70 .éÇ♠.éÇ○.éé ...Q. What is MPEG p 000052E0 68 61 73 65 20 49 49 3F 20 00 00 00 41 2E 20 20 20 20 20 20 54 68 65 72 65 20 69 73 20 61 20 63 hase II? ...A. There is a c 00005300 6F 6E 73 69 64 65 72 61 62 6C 65 20 6C 6F 73 73 20 6F 66 20 71 75 61 6C 69 74 79 20 69 6E 20 67 onsiderable loss of quality in g 00005320 6F 69 6E 67 20 66 72 6F 6D 20 43 43 49 52 2D 36 30 31 20 74 6F 20 53 49 46 20 72 65 73 6F 6C 75 oing from CCIR-601 to SIF resolu 00005340 74 69 6F 6E 2E 20 20 46 6F 72 20 65 6E 74 65 72 74 61 69 6E 6D 65 6E 74 20 76 69 64 65 6F 2C 20 tion. For entertainment video, 00005360 69 74 27 73 20 73 69 6D 70 6C 79 20 6E 6F 74 20 61 63 63 65 70 74 61 62 6C 65 2E 20 59 6F 75 20 it's simply not acceptable. You 00005380 77 61 6E 74 20 74 6F 20 75 73 65 20 6D 6F 72 65 20 62 69 74 73 20 61 6E 64 20 63 6F 64 65 20 61 want to use more bits and code a 000053A0 6C 6C 20 6F 72 20 61 6C 6D 6F 73 74 20 61 6C 6C 20 74 68 65 20 43 43 49 52 2D 36 30 31 20 64 61 ll or almost all the CCIR-601 da 000053C0 74 61 2E 20 20 46 72 6F 6D 20 73 75 62 6A 65 63 74 69 76 65 20 74 65 73 74 69 6E 67 20 61 74 20 ta. From subjective testing at 000053E0 74 68 65 20 4A 61 70 61 6E 20 6D 65 65 74 69 6E 67 20 69 6E 20 4E 6F 76 65 6D 62 65 72 20 31 39 the Japan meeting in November 19 00005400 39 31 2C 20 69 74 20 73 65 65 6D 73 20 74 68 61 74 20 34 20 4D 42 69 74 73 2F 73 20 63 61 6E 20 91, it seems that 4 MBits/s can 00005420 67 69 76 65 20 76 65 72 79 20 67 6F 6F 64 20 71 75 61 6C 69 74 79 20 63 6F 6D 70 61 72 65 64 20 give very good quality compared 00005440 74 6F 20 74 68 65 20 6F 72 69 67 69 6E 61 6C 20 43 43 49 52 2D 36 30 31 20 6D 61 74 65 72 69 61 to the original CCIR-601 materia 00005460 6C 2E 20 54 68 65 20 6F 62 6A 65 63 74 69 76 65 20 6F 66 20 70 68 61 73 65 20 49 49 20 69 73 20 l. The objective of phase II is 00005480 74 6F 20 64 65 66 69 6E 65 20 61 20 62 69 74 20 73 74 72 65 61 6D 20 6F 70 74 69 6D 69 7A 65 64 to define a bit stream optimized 000054A0 20 66 6F 72 20 74 68 65 73 65 20 72 65 73 6F 6C 75 74 69 6F 6E 73 20 61 6E 64 20 62 69 74 20 72 for these resolutions and bit r 000054C0 61 74 65 73 2E 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 C3 0D 01 00 ates........................├♪☺. 000054E0 0C 40 01 00 7D 0D 01 00 62 00 00 00 32 00 00 00 C3 0D 01 00 6E 40 01 00 30 00 00 00 20 30 80 64 ♀@☺.}♪☺.b...2...├♪☺.n@☺.0... 0Çd 00005500 00 80 00 00 00 00 E3 74 DC E9 D9 80 05 00 89 82 E3 8A 55 F4 25 89 82 FF 00 00 52 65 74 75 72 6E .Ç....πt▄Θ┘Ç♣.ëéπèU⌠%ëé ..Return 00005520 20 74 6F 20 49 6E 74 72 6F 64 75 63 74 69 6F 6E 00 20 00 00 52 65 74 75 72 6E 20 74 6F 20 43 6F to Introduction. ..Return to Co 00005540 6E 74 65 6E 74 73 00 20 00 00 65 00 00 00 34 00 00 00 0C 40 01 00 D3 40 01 00 31 00 00 00 02 F6 ntents. ..e...4...♀@☺.╙@☺.1...☻÷ 00005560 05 00 00 FF FF FF FF FF FF FF FF 16 00 00 00 FF FF FF FF D3 40 01 00 64 46 01 00 57 68 79 20 69 ♣.. ▬... ╙@☺.dF☺.Why i 00005580 73 6E 27 74 20 4D 50 45 47 20 49 49 20 6A 75 73 74 20 61 20 73 63 61 6C 65 64 20 75 70 20 76 65 sn't MPEG II just a scaled up ve 000055A0 72 73 69 6F 6E 20 6F 66 20 4D 50 45 47 20 49 2F 05 00 00 02 05 00 00 6E 40 01 00 02 46 01 00 2D rsion of MPEG I/♣..☻♣..n@☺.☻F☺.- 000055C0 00 00 00 20 28 80 05 0A 00 80 00 00 00 00 80 09 00 82 80 06 00 82 80 09 00 82 82 FF 00 00 00 51 ... (Ç♣◙.Ç....Ç○.éÇ♠.éÇ○.éé ...Q 000055E0 2E 20 57 68 79 20 69 73 6E 27 74 20 4D 50 45 47 20 49 49 20 6A 75 73 74 20 61 20 73 63 61 6C 65 . Why isn't MPEG II just a scale 00005600 64 20 75 70 20 76 65 72 73 69 6F 6E 20 6F 66 20 4D 50 45 47 20 49 3F 20 00 00 00 41 2E 20 20 20 d up version of MPEG I? ...A. 00005620 20 20 20 54 68 65 20 6D 61 69 6E 20 64 69 66 66 69 63 75 6C 74 79 20 69 73 20 74 68 65 20 69 6E The main difficulty is the in 00005640 74 65 72 6C 61 63 69 6E 67 2E 20 20 54 68 65 20 73 69 6D 70 6C 65 73 74 20 77 61 79 20 74 6F 20 terlacing. The simplest way to 00005660 65 78 74 65 6E 64 20 4D 50 45 47 20 49 20 74 6F 20 69 6E 74 65 72 6C 61 63 65 64 20 6D 61 74 65 extend MPEG I to interlaced mate 00005680 72 69 61 6C 20 69 73 20 74 6F 20 70 75 74 20 74 68 65 20 66 69 65 6C 64 73 20 74 6F 67 65 74 68 rial is to put the fields togeth 000056A0 65 72 20 69 6E 74 6F 20 66 72 61 6D 65 73 20 28 37 32 30 78 34 38 36 78 33 30 2F 73 29 2E 20 20 er into frames (720x486x30/s). 000056C0 54 68 69 73 20 72 65 73 75 6C 74 73 20 69 6E 20 62 61 64 20 6D 6F 74 69 6F 6E 20 61 72 74 69 66 This results in bad motion artif 000056E0 61 63 74 73 20 74 68 61 74 20 73 74 65 6D 20 66 72 6F 6D 20 74 68 65 20 66 61 63 74 20 74 68 61 acts that stem from the fact tha 00005700 74 20 6D 6F 76 69 6E 67 20 6F 62 6A 65 63 74 73 20 61 72 65 20 69 6E 20 64 69 66 66 65 72 65 6E t moving objects are in differen 00005720 74 20 70 6C 61 63 65 73 20 69 6E 20 74 68 65 20 74 77 6F 20 66 69 65 6C 64 73 2C 20 61 6E 64 20 t places in the two fields, and 00005740 73 6F 20 64 6F 6E 27 74 20 6C 69 6E 65 20 75 70 20 69 6E 20 74 68 65 20 66 72 61 6D 65 73 2E 20 so don't line up in the frames. 00005760 20 43 6F 6D 70 72 65 73 73 69 6E 67 20 61 6E 64 20 64 65 63 6F 6D 70 72 65 73 73 69 6E 67 20 77 Compressing and decompressing w 00005780 69 74 68 6F 75 74 20 74 61 6B 69 6E 67 20 74 68 61 74 20 69 6E 74 6F 20 61 63 63 6F 75 6E 74 20 ithout taking that into account 000057A0 73 6F 6D 65 68 6F 77 20 74 65 6E 64 73 20 74 6F 20 6D 75 64 64 6C 65 20 74 68 65 20 6F 62 6A 65 somehow tends to muddle the obje 000057C0 63 74 73 20 69 6E 20 74 68 65 20 74 77 6F 20 64 69 66 66 65 72 65 6E 74 20 66 69 65 6C 64 73 2E cts in the two different fields. 000057E0 54 68 65 20 6F 74 68 65 72 20 74 68 69 6E 67 20 79 6F 75 20 6D 69 67 68 74 20 74 72 79 20 69 73 The other thing you might try is 00005800 20 74 6F 20 63 6F 64 65 20 74 68 65 20 65 76 65 6E 20 61 6E 64 20 6F 64 64 20 66 69 65 6C 64 20 to code the even and odd field 00005820 73 74 72 65 61 6D 73 20 73 65 70 61 72 61 74 65 6C 79 2E 20 20 54 68 69 73 20 61 76 6F 69 64 73 streams separately. This avoids 00005840 20 74 68 65 20 6D 6F 74 69 6F 6E 20 61 72 74 69 66 61 63 74 73 2C 20 62 75 74 20 61 73 20 79 6F the motion artifacts, but as yo 00005860 75 20 6D 69 67 68 74 20 69 6D 61 67 69 6E 65 2C 20 64 6F 65 73 6E 27 74 20 67 65 74 20 76 65 72 u might imagine, doesn't get ver 00005880 79 20 67 6F 6F 64 20 63 6F 6D 70 72 65 73 73 69 6F 6E 20 73 69 6E 63 65 20 79 6F 75 20 61 72 65 y good compression since you are 000058A0 20 6E 6F 74 20 75 73 69 6E 67 20 74 68 65 20 72 65 64 75 6E 64 61 6E 63 79 20 62 65 74 77 65 65 not using the redundancy betwee 000058C0 6E 20 74 68 65 20 65 76 65 6E 20 61 6E 64 20 6F 64 64 20 66 69 65 6C 64 73 20 77 68 65 72 65 20 n the even and odd fields where 000058E0 74 68 65 72 65 20 69 73 20 6E 6F 74 20 6D 75 63 68 20 6D 6F 74 69 6F 6E 20 28 77 68 69 63 68 20 there is not much motion (which 00005900 69 73 20 74 79 70 69 63 61 6C 6C 79 20 6D 6F 73 74 20 6F 66 20 69 6D 61 67 65 29 2E 4F 72 20 79 is typically most of image).Or y 00005920 6F 75 20 63 61 6E 20 63 6F 64 65 20 69 74 20 61 73 20 61 20 73 69 6E 67 6C 65 20 73 74 72 65 61 ou can code it as a single strea 00005940 6D 20 6F 66 20 66 69 65 6C 64 73 2E 20 20 4F 72 20 79 6F 75 20 63 61 6E 20 69 6E 74 65 72 70 6F m of fields. Or you can interpo 00005960 6C 61 74 65 20 6C 69 6E 65 73 2E 20 20 4F 72 2C 20 65 74 63 2E 20 65 74 63 2E 20 20 54 68 65 72 late lines. Or, etc. etc. Ther 00005980 65 20 61 72 65 20 6D 61 6E 79 20 74 68 69 6E 67 73 20 79 6F 75 20 63 61 6E 20 74 72 79 2C 20 61 e are many things you can try, a 000059A0 6E 64 20 74 68 65 20 70 6F 69 6E 74 20 6F 66 20 4D 50 45 47 20 49 49 20 69 73 20 74 6F 20 66 69 nd the point of MPEG II is to fi 000059C0 67 75 72 65 20 6F 75 74 20 77 68 61 74 20 77 6F 72 6B 73 20 77 65 6C 6C 2E 20 4D 50 45 47 20 49 gure out what works well. MPEG I 000059E0 49 20 69 73 20 6E 6F 74 20 6C 69 6D 69 74 65 64 20 74 6F 20 63 6F 6E 73 69 64 65 72 20 6F 6E 6C I is not limited to consider onl 00005A00 79 20 64 65 72 69 76 61 74 69 6F 6E 73 20 6F 66 20 4D 50 45 47 20 49 2E 20 54 68 65 72 65 20 77 y derivations of MPEG I. There w 00005A20 65 72 65 20 73 65 76 65 72 61 6C 20 6E 6F 6E 2D 4D 50 45 47 20 49 2D 6C 69 6B 65 20 73 63 68 65 ere several non-MPEG I-like sche 00005A40 6D 65 73 20 69 6E 20 74 68 65 20 63 6F 6D 70 65 74 69 74 69 6F 6E 20 69 6E 20 4E 6F 76 65 6D 62 mes in the competition in Novemb 00005A60 65 72 2C 20 61 6E 64 20 73 6F 6D 65 20 61 73 70 65 63 74 73 20 6F 66 20 74 68 6F 73 65 20 61 6C er, and some aspects of those al 00005A80 67 6F 72 69 74 68 6D 73 20 6D 61 79 20 6F 72 20 6D 61 79 20 6E 6F 74 20 6D 61 6B 65 20 69 74 20 gorithms may or may not make it 00005AA0 69 6E 74 6F 20 74 68 65 20 66 69 6E 61 6C 20 73 74 61 6E 64 61 72 64 20 66 6F 72 20 65 6E 74 65 into the final standard for ente 00005AC0 72 74 61 69 6E 6D 65 6E 74 20 76 69 64 65 6F 20 63 6F 6D 70 72 65 73 73 69 6F 6E 2E 00 00 62 00 rtainment video compression...b. 00005AE0 00 00 32 00 00 00 D3 40 01 00 64 46 01 00 30 00 00 00 20 30 80 64 00 80 00 00 00 00 E3 74 DC E9 ..2...╙@☺.dF☺.0... 0Çd.Ç....πt▄Θ 00005B00 D9 80 05 00 89 82 E3 8A 55 F4 25 89 82 FF 00 00 52 65 74 75 72 6E 20 74 6F 20 49 6E 74 72 6F 64 ┘Ç♣.ëéπèU⌠%ëé ..Return to Introd 00005B20 75 63 74 69 6F 6E 00 20 00 00 52 65 74 75 72 6E 20 74 6F 20 43 6F 6E 74 65 6E 74 73 00 20 00 00 uction. ..Return to Contents. .. 00005B40 3E 00 00 00 0D 00 00 00 02 46 01 00 A2 46 01 00 31 00 00 00 02 AB 05 00 00 FF FF FF FF FF FF FF >...♪...☻F☺.óF☺.1...☻½♣.. 00005B60 FF 17 00 00 00 FF FF FF FF A2 46 01 00 0F 4C 01 00 53 6F 20 77 68 61 74 20 77 6F 72 6B 73 0B 05 ↨... óF☺.☼L☺.So what works♂♣ 00005B80 00 00 DE 04 00 00 64 46 01 00 AD 4B 01 00 2D 00 00 00 20 28 80 BD 09 00 80 00 00 00 00 80 0D 00 ..▐♦..dF☺.¡K☺.-... (Ç╜○.Ç....Ç♪. 00005BA0 82 80 0E 00 82 80 09 00 82 82 FF 00 00 00 51 2E 20 53 6F 20 77 68 61 74 20 77 6F 72 6B 73 3F 20 éÇ♫.éÇ○.éé ...Q. So what works? 00005BC0 00 00 00 41 2E 20 20 20 20 20 20 42 61 73 69 63 61 6C 6C 79 2C 20 64 65 72 69 76 61 74 69 6F 6E ...A. Basically, derivation 00005BE0 73 20 6F 66 20 4D 50 45 47 20 49 20 77 6F 72 6B 65 64 20 71 75 69 74 65 20 77 65 6C 6C 2C 20 77 s of MPEG I worked quite well, w 00005C00 69 74 68 20 6F 6E 65 20 74 68 61 74 20 75 73 65 64 20 77 61 76 65 6C 65 74 20 73 75 62 62 61 6E ith one that used wavelet subban 00005C20 64 20 63 6F 64 69 6E 67 20 69 6E 73 74 65 61 64 20 6F 66 20 44 43 54 27 73 20 74 68 61 74 20 61 d coding instead of DCT's that a 00005C40 6C 73 6F 20 77 6F 72 6B 65 64 20 76 65 72 79 20 77 65 6C 6C 2E 20 20 41 6C 73 6F 20 61 6D 6F 6E lso worked very well. Also amon 00005C60 67 20 74 68 65 20 77 6F 72 6B 65 64 2D 76 65 72 79 2D 77 65 6C 6C 27 73 20 77 61 73 20 61 20 73 g the worked-very-well's was a s 00005C80 63 68 65 6D 65 20 74 68 61 74 20 64 69 64 20 6E 6F 74 20 75 73 65 20 42 20 66 72 61 6D 65 73 20 cheme that did not use B frames 00005CA0 61 74 20 61 6C 6C 2C 20 6A 75 73 74 20 49 20 61 6E 64 20 50 27 73 2E 20 20 41 6C 6C 20 6F 66 20 at all, just I and P's. All of 00005CC0 74 68 65 6D 2C 20 65 78 63 65 70 74 20 6D 61 79 62 65 20 6F 6E 65 2C 20 64 69 64 20 73 6F 6D 65 them, except maybe one, did some 00005CE0 20 73 6F 72 74 20 6F 66 20 61 64 61 70 74 69 76 65 20 66 72 61 6D 65 2F 66 69 65 6C 64 20 63 6F sort of adaptive frame/field co 00005D00 64 69 6E 67 2C 20 77 68 65 72 65 20 61 20 64 65 63 69 73 69 6F 6E 20 69 73 20 6D 61 64 65 20 6F ding, where a decision is made o 00005D20 6E 20 61 20 6D 61 63 72 6F 62 6C 6F 63 6B 20 62 61 73 69 73 20 61 73 20 74 6F 20 77 68 65 74 68 n a macroblock basis as to wheth 00005D40 65 72 20 74 6F 20 63 6F 64 65 20 74 68 61 74 20 6F 6E 65 20 61 73 20 6F 6E 65 20 66 72 61 6D 65 er to code that one as one frame 00005D60 20 6D 61 63 72 6F 62 6C 6F 63 6B 20 6F 72 20 61 73 20 74 77 6F 20 66 69 65 6C 64 20 6D 61 63 72 macroblock or as two field macr 00005D80 6F 62 6C 6F 63 6B 73 2E 20 20 53 6F 6D 65 20 6F 74 68 65 72 20 61 73 70 65 63 74 73 20 61 72 65 oblocks. Some other aspects are 00005DA0 20 68 6F 77 20 74 6F 20 63 6F 64 65 20 49 2D 66 72 61 6D 65 73 2D 2D 73 6F 6D 65 20 73 75 67 67 how to code I-frames--some sugg 00005DC0 65 73 74 20 70 72 65 64 69 63 74 69 6E 67 20 74 68 65 20 65 76 65 6E 20 66 69 65 6C 64 20 66 72 est predicting the even field fr 00005DE0 6F 6D 20 74 68 65 20 6F 64 64 20 66 69 65 6C 64 2E 20 20 4F 72 20 79 6F 75 20 63 61 6E 20 70 72 om the odd field. Or you can pr 00005E00 65 64 69 63 74 20 65 76 65 6E 73 20 66 72 6F 6D 20 65 76 65 6E 73 20 61 6E 64 20 6F 64 64 73 20 edict evens from evens and odds 00005E20 6F 72 20 6F 64 64 73 20 66 72 6F 6D 20 65 76 65 6E 73 20 61 6E 64 20 6F 64 64 73 20 6F 72 20 61 or odds from evens and odds or a 00005E40 6E 79 20 66 69 65 6C 64 20 66 72 6F 6D 20 61 6E 79 20 6F 74 68 65 72 20 66 69 65 6C 64 2C 20 65 ny field from any other field, e 00005E60 74 63 2E 4F 6B 2C 20 77 65 27 72 65 20 6E 6F 74 20 72 65 61 6C 6C 79 20 73 75 72 65 20 77 68 61 tc.Ok, we're not really sure wha 00005E80 74 20 77 6F 72 6B 73 20 62 65 73 74 20 79 65 74 2E 20 20 54 68 65 20 6E 65 78 74 20 73 74 65 70 t works best yet. The next step 00005EA0 20 69 73 20 74 6F 20 64 65 66 69 6E 65 20 61 20 22 74 65 73 74 20 6D 6F 64 65 6C 22 20 74 6F 20 is to define a "test model" to 00005EC0 73 74 61 72 74 20 66 72 6F 6D 2C 20 74 68 61 74 20 69 6E 63 6F 72 70 6F 72 61 74 65 73 20 6D 6F start from, that incorporates mo 00005EE0 73 74 20 6F 66 20 74 68 65 20 73 61 6C 69 65 6E 74 20 66 65 61 74 75 72 65 73 20 6F 66 20 74 68 st of the salient features of th 00005F00 65 20 77 6F 72 6B 65 64 2D 76 65 72 79 2D 77 65 6C 6C 20 70 72 6F 70 6F 73 61 6C 73 20 69 6E 20 e worked-very-well proposals in 00005F20 61 20 73 69 6D 70 6C 65 20 77 61 79 2E 20 20 54 68 65 6E 20 65 78 70 65 72 69 6D 65 6E 74 73 20 a simple way. Then experiments 00005F40 77 69 6C 6C 20 62 65 20 64 6F 6E 65 20 6F 6E 20 74 68 61 74 20 74 65 73 74 20 6D 6F 64 65 6C 2C will be done on that test model, 00005F60 20 6D 61 6B 69 6E 67 20 61 20 6D 6F 64 20 61 74 20 61 20 74 69 6D 65 2C 20 61 6E 64 20 73 65 65 making a mod at a time, and see 00005F80 69 6E 67 20 77 68 61 74 20 6D 61 6B 65 73 20 69 74 20 62 65 74 74 65 72 20 61 6E 64 20 77 68 61 ing what makes it better and wha 00005FA0 74 20 6D 61 6B 65 73 20 69 74 20 77 6F 72 73 65 2E 20 20 45 78 61 6D 70 6C 65 20 65 78 70 65 72 t makes it worse. Example exper 00005FC0 69 6D 65 6E 74 73 20 61 72 65 2C 20 42 27 73 20 6F 72 20 6E 6F 20 42 27 73 2C 20 44 43 54 20 76 iments are, B's or no B's, DCT v 00005FE0 73 2E 20 77 61 76 65 6C 65 74 73 2C 20 76 61 72 69 6F 75 73 20 66 69 65 6C 64 20 70 72 65 64 69 s. wavelets, various field predi 00006000 63 74 69 6F 6E 20 6D 6F 64 65 73 2C 20 65 74 63 2E 20 20 54 68 65 20 72 65 71 75 69 72 65 6D 65 ction modes, etc. The requireme 00006020 6E 74 73 2C 20 73 75 63 68 20 61 73 20 69 6D 70 6C 65 6D 65 6E 74 61 74 69 6F 6E 20 63 6F 73 74 nts, such as implementation cost 00006040 2C 20 71 75 61 6C 69 74 79 2C 20 72 61 6E 64 6F 6D 20 61 63 63 65 73 73 2C 20 65 74 63 2E 20 77 , quality, random access, etc. w 00006060 69 6C 6C 20 61 6C 6C 20 66 65 65 64 20 69 6E 74 6F 20 74 68 69 73 20 70 72 6F 63 65 73 73 20 61 ill all feed into this process a 00006080 73 20 77 65 6C 6C 2E 00 00 62 00 00 00 32 00 00 00 A2 46 01 00 0F 4C 01 00 30 00 00 00 20 30 80 s well...b...2...óF☺.☼L☺.0... 0Ç 000060A0 64 00 80 00 00 00 00 E3 74 DC E9 D9 80 05 00 89 82 E3 8A 55 F4 25 89 82 FF 00 00 52 65 74 75 72 d.Ç....πt▄Θ┘Ç♣.ëéπèU⌠%ëé ..Retur 000060C0 6E 20 74 6F 20 49 6E 74 72 6F 64 75 63 74 69 6F 6E 00 20 00 00 52 65 74 75 72 6E 20 74 6F 20 43 n to Introduction. ..Return to C 000060E0 6F 6E 74 65 6E 74 73 00 20 00 00 4F 00 00 00 1E 00 00 00 AD 4B 01 00 5E 4C 01 00 31 00 00 00 02 ontents. ..O...▲...¡K☺.^L☺.1...☻ 00006100 6D 01 00 00 FF FF FF FF FF FF FF FF 18 00 00 00 FF FF FF FF 5E 4C 01 00 7C 4D 01 00 57 68 65 6E m☺.. ↑... ^L☺.|M☺.When 00006120 20 77 69 6C 6C 20 61 6C 6C 20 74 68 69 73 20 62 65 20 66 69 6E 69 73 68 65 64 1E 01 00 00 DE 00 will all this be finished▲☺..▐. 00006140 00 00 0F 4C 01 00 7C 4D 01 00 40 00 00 00 20 4E 80 BD 01 00 80 00 00 00 00 80 09 00 82 80 06 00 ..☼L☺.|M☺.@... NÇ╜☺.Ç....Ç○.éÇ♠. 00006160 82 80 09 00 82 82 82 82 E3 74 DC E9 D9 80 05 00 89 82 E3 8A 55 F4 25 89 82 FF 00 00 00 51 2E 20 éÇ○.ééééπt▄Θ┘Ç♣.ëéπèU⌠%ëé ...Q. 00006180 57 68 65 6E 20 77 69 6C 6C 20 61 6C 6C 20 74 68 69 73 20 62 65 20 66 69 6E 69 73 68 65 64 3F 20 When will all this be finished? 000061A0 00 00 00 41 2E 20 20 20 20 20 20 49 20 64 6F 6E 27 74 20 6B 6E 6F 77 2E 20 20 49 27 64 20 68 61 ...A. I don't know. I'd ha 000061C0 76 65 20 74 6F 20 68 6F 70 65 20 69 6E 20 61 62 6F 75 74 20 61 20 79 65 61 72 20 6F 72 20 6C 65 ve to hope in about a year or le 000061E0 73 73 2E 00 4D 50 45 47 20 49 49 20 69 73 20 64 75 65 20 69 6E 20 4D 61 72 63 68 20 31 39 39 33 ss..MPEG II is due in March 1993 00006200 2E 20 41 66 74 65 72 20 62 65 69 6E 67 20 65 78 70 61 6E 64 65 64 20 74 6F 20 63 6F 76 65 72 20 . After being expanded to cover 00006220 48 44 54 56 00 00 00 00 52 65 74 75 72 6E 20 74 6F 20 49 6E 74 72 6F 64 75 63 74 69 6F 6E 00 20 HDTV....Return to Introduction. 00006240 00 00 52 65 74 75 72 6E 20 74 6F 20 43 6F 6E 74 65 6E 74 73 00 20 00 00 43 00 00 00 12 00 00 00 ..Return to Contents. ..C...↕... 00006260 5E 4C 01 00 BF 4D 01 00 31 00 00 00 02 0B 03 00 00 FF FF FF FF FF FF FF FF 19 00 00 00 FF FF FF ^L☺.┐M☺.1...☻♂♥.. ↓... 00006280 FF BF 4D 01 00 8B 80 01 00 48 6F 77 20 64 6F 20 49 20 6A 6F 69 6E 20 4D 50 45 47 5E 02 00 00 31 ┐M☺.ïÇ☺.How do I join MPEG^☻..1 000062A0 02 00 00 7C 4D 01 00 29 80 01 00 2D 00 00 00 20 28 80 63 04 00 80 00 00 00 00 80 0D 00 82 80 0E ☻..|M☺.)Ç☺.-... (Çc♦.Ç....Ç♪.éÇ♫ 000062C0 00 82 80 09 00 82 82 FF 00 00 00 51 2E 20 48 6F 77 20 64 6F 20 49 20 6A 6F 69 6E 20 4D 50 45 47 .éÇ○.éé ...Q. How do I join MPEG 000062E0 3F 20 00 00 00 41 2E 20 20 20 20 20 20 59 6F 75 20 64 6F 6E 27 74 20 6A 6F 69 6E 20 4D 50 45 47 ? ...A. You don't join MPEG 00006300 2E 59 6F 75 20 68 61 76 65 20 74 6F 20 70 61 72 74 69 63 69 70 61 74 65 20 69 6E 20 49 53 4F 20 .You have to participate in ISO 00006320 61 73 20 70 61 72 74 20 6F 66 20 61 20 6E 61 74 69 6F 6E 61 6C 20 64 65 6C 65 67 61 74 69 6F 6E as part of a national delegation 00006340 2E 20 20 48 6F 77 20 79 6F 75 20 67 65 74 20 74 6F 20 62 65 20 70 61 72 74 20 6F 66 20 74 68 65 . How you get to be part of the 00006360 20 6E 61 74 69 6F 6E 61 6C 20 64 65 6C 65 67 61 74 69 6F 6E 20 69 73 20 75 70 20 74 6F 20 65 61 national delegation is up to ea 00006380 63 68 20 6E 61 74 69 6F 6E 2E 20 20 49 20 6F 6E 6C 79 20 6B 6E 6F 77 20 74 68 65 20 55 2E 53 2E ch nation. I only know the U.S. 000063A0 2C 20 77 68 65 72 65 20 79 6F 75 20 68 61 76 65 20 74 6F 20 61 74 74 65 6E 64 20 74 68 65 20 63 , where you have to attend the c 000063C0 6F 72 72 65 73 70 6F 6E 64 69 6E 67 20 41 4E 53 49 20 6D 65 65 74 69 6E 67 73 20 74 6F 20 62 65 orresponding ANSI meetings to be 000063E0 20 61 62 6C 65 20 74 6F 20 61 74 74 65 6E 64 20 74 68 65 20 49 53 4F 20 6D 65 65 74 69 6E 67 73 able to attend the ISO meetings 00006400 2E 20 20 59 6F 75 72 20 63 6F 6D 70 61 6E 79 20 6F 72 20 69 6E 73 74 69 74 75 74 69 6F 6E 20 68 . Your company or institution h 00006420 61 73 20 74 6F 20 62 65 20 77 69 6C 6C 69 6E 67 20 74 6F 20 73 69 6E 6B 20 73 6F 6D 65 20 62 75 as to be willing to sink some bu 00006440 63 6B 73 20 69 6E 74 6F 20 74 72 61 76 65 6C 20 73 69 6E 63 65 2C 20 6E 61 74 75 72 61 6C 6C 79 cks into travel since, naturally 00006460 2C 20 74 68 65 73 65 20 6D 65 65 74 69 6E 67 73 20 61 72 65 20 68 65 6C 64 20 61 6C 6C 20 6F 76 , these meetings are held all ov 00006480 65 72 20 74 68 65 20 77 6F 72 6C 64 2E 20 20 28 46 6F 72 20 65 78 61 6D 70 6C 65 2C 20 50 61 72 er the world. (For example, Par 000064A0 69 73 2C 20 53 61 6E 74 61 20 43 6C 61 72 61 2C 20 4B 75 72 69 68 61 6D 61 20 4A 61 70 61 6E 2C is, Santa Clara, Kurihama Japan, 000064C0 20 53 69 6E 67 61 70 6F 72 65 2C 20 48 61 69 66 61 20 49 73 72 61 65 6C 2C 20 52 69 BF 4D 01 00 Singapore, Haifa Israel, Ri┐M☺. 000064E0 29 80 01 00 7C 4D 01 00 6F 20 64 65 20 4A 61 6E 65 69 72 6F 2C 20 4C 6F 6E 64 6F 6E 2C 20 65 74 )Ç☺.|M☺.o de Janeiro, London, et 00006500 63 2E 29 00 00 62 00 00 00 32 00 00 00 BF 4D 01 00 8B 80 01 00 30 00 00 00 20 30 80 64 00 80 00 c.)..b...2...┐M☺.ïÇ☺.0... 0Çd.Ç. 00006520 00 00 00 E3 74 DC E9 D9 80 05 00 89 82 E3 8A 55 F4 25 89 82 FF 00 00 52 65 74 75 72 6E 20 74 6F ...πt▄Θ┘Ç♣.ëéπèU⌠%ëé ..Return to 00006540 20 49 6E 74 72 6F 64 75 63 74 69 6F 6E 00 20 00 00 52 65 74 75 72 6E 20 74 6F 20 43 6F 6E 74 65 Introduction. ..Return to Conte 00006560 6E 74 73 00 20 00 00 62 00 00 00 31 00 00 00 29 80 01 00 ED 80 01 00 31 00 00 00 02 32 03 00 00 nts. ..b...1...)Ç☺.φÇ☺.1...☻2♥.. 00006580 FF FF FF FF FF FF FF FF 1A 00 00 00 FF FF FF FF ED 80 01 00 BD 83 01 00 48 6F 77 20 64 6F 20 49 →... φÇ☺.╜â☺.How do I 000065A0 20 67 65 74 20 49 53 4F 20 64 6F 63 75 6D 65 6E 74 73 2C 20 6C 69 6B 65 20 74 68 65 20 4D 50 45 get ISO documents, like the MPE 000065C0 47 20 49 20 64 72 61 66 74 32 02 00 00 04 02 00 00 8B 80 01 00 1F 83 01 00 2E 00 00 00 20 2A 80 G I draft2☻..♦☻..ïÇ☺.▼â☺..... *Ç 000065E0 09 04 00 80 00 00 00 00 80 09 00 82 80 06 00 82 80 0D 00 82 82 82 FF 00 00 00 51 2E 20 48 6F 77 ○♦.Ç....Ç○.éÇ♠.éÇ♪.ééé ...Q. How 00006600 20 64 6F 20 49 20 67 65 74 20 49 53 4F 20 64 6F 63 75 6D 65 6E 74 73 2C 20 6C 69 6B 65 20 74 68 do I get ISO documents, like th 00006620 65 20 4D 50 45 47 20 49 20 64 72 61 66 74 3F 20 00 00 00 41 2E 20 20 20 20 20 20 4D 50 45 47 20 e MPEG I draft? ...A. MPEG 00006640 69 73 20 61 20 64 72 61 66 74 20 49 53 4F 20 73 74 61 6E 64 61 72 64 2E 20 00 49 74 27 73 20 65 is a draft ISO standard. .It's e 00006660 78 61 63 74 20 6E 61 6D 65 20 69 73 20 49 53 4F 20 43 44 20 31 31 31 37 32 2E 20 54 68 65 20 64 xact name is ISO CD 11172. The d 00006680 72 61 66 74 20 63 6F 6E 73 69 73 74 73 20 6F 66 20 74 68 72 65 65 20 70 61 72 74 73 3A 20 53 79 raft consists of three parts: Sy 000066A0 73 74 65 6D 2C 20 56 69 64 65 6F 2C 20 61 6E 64 20 41 75 64 69 6F 2E 20 54 68 65 20 53 79 73 74 stem, Video, and Audio. The Syst 000066C0 65 6D 20 70 61 72 74 20 28 31 31 31 37 32 2D 31 29 20 64 65 61 6C 73 20 77 69 74 68 20 73 79 6E em part (11172-1) deals with syn 000066E0 63 68 72 6F 6E 69 7A 61 74 69 6F 6E 20 61 6E 64 20 6D 75 6C 74 69 70 6C 65 78 69 6E 67 20 6F 66 chronization and multiplexing of 00006700 20 61 75 64 69 6F 2D 76 69 73 75 61 6C 20 69 6E 66 6F 72 6D 61 74 69 6F 6E 2C 20 77 68 69 6C 65 audio-visual information, while 00006720 20 74 68 65 20 56 69 64 65 6F 20 28 31 31 31 37 32 2D 32 29 20 61 6E 64 20 41 75 64 69 6F 20 70 the Video (11172-2) and Audio p 00006740 61 72 74 20 28 31 31 31 37 32 2D 33 29 20 61 64 64 72 65 73 73 20 74 68 65 20 76 69 64 65 6F 20 art (11172-3) address the video 00006760 61 6E 64 20 74 68 65 20 61 75 64 69 6F 20 63 6F 6D 70 72 65 73 73 69 6F 6E 20 74 65 63 68 6E 69 and the audio compression techni 00006780 71 75 65 73 20 72 65 73 70 65 63 74 69 76 65 6C 79 2E 59 6F 75 20 6D 61 79 20 6F 72 64 65 72 20 ques respectively.You may order 000067A0 69 74 20 66 72 6F 6D 20 79 6F 75 72 20 6E 61 74 69 6F 6E 61 6C 20 73 74 61 6E 64 61 72 64 73 20 it from your national standards 000067C0 62 6F 64 79 20 28 65 2E 67 2E 20 41 4E 53 49 20 69 6E 20 74 68 65 20 55 53 41 29 20 6F 72 20 62 body (e.g. ANSI in the USA) or b 000067E0 75 79 20 69 74 20 66 72 6F 6D 20 63 6F 6D 70 61 6E 69 65 73 20 6C 69 6B 65 00 00 9E 00 00 00 67 uy it from companies like..₧...g 00006800 00 00 00 ED 80 01 00 BD 83 01 00 37 00 00 00 20 3E 80 CE 00 80 00 00 00 00 80 0D 00 82 82 82 82 ...φÇ☺.╜â☺.7... >Ç╬.Ç....Ç♪.éééé 00006820 E3 74 DC E9 D9 80 0F 00 89 82 E3 8A 55 F4 25 89 82 FF 00 4F 4D 4E 49 43 4F 4D 20 00 70 68 6F 6E πt▄Θ┘Ç☼.ëéπèU⌠%ëé .OMNICOM .phon 00006840 65 20 2B 34 34 20 34 33 38 20 37 34 32 34 32 34 20 00 46 41 58 20 2B 34 34 20 34 33 38 20 37 34 e +44 438 742424 .FAX +44 438 74 00006860 30 31 35 34 20 00 00 00 00 52 65 74 75 72 6E 20 74 6F 20 49 6E 74 72 6F 64 75 63 74 69 6F 6E 00 0154 ....Return to Introduction. 00006880 20 00 00 52 65 74 75 72 6E 20 74 6F 20 43 6F 6E 74 65 6E 74 73 00 20 00 00 31 00 00 00 00 00 00 ..Return to Contents. ..1...... 000068A0 00 1F 83 01 00 EE 83 01 00 31 00 00 00 02 55 00 00 00 FF FF FF FF FF FF FF FF 1B 00 00 00 FF FF .▼â☺.εâ☺.1...☻U... ←... 000068C0 FF FF EE 83 01 00 12 84 01 00 24 00 00 00 02 00 00 00 BD 83 01 00 12 84 01 00 22 00 00 00 20 14 εâ☺.↕ä☺.$...☻...╜â☺.↕ä☺."... ¶ 000068E0 80 04 00 80 00 00 00 00 80 10 00 FF 00 00 31 00 00 00 00 00 00 00 EE 83 01 00 FF FF FF FF 31 00 Ç♦.Ç....Ç►. ..1.......εâ☺. 1. 00006900 00 00 02 18 00 00 00 FF FF FF FF FF FF FF FF 1C 00 00 00 FF FF FF FF FF FF FF FF FF FF FF FF 1C ..☻↑... ∟... ∟ 00006920 01 00 00 13 01 00 00 00 04 00 11 00 08 00 58 00 48 65 6C 76 00 00 00 00 00 00 00 00 00 00 00 00 ☺..‼☺...♦.◄.◘.X.Helv............ 00006940 00 00 00 00 54 69 6D 65 73 20 4E 65 77 20 52 6F 6D 61 6E 00 00 00 00 00 43 6F 75 72 69 65 72 20 ....Times New Roman.....Courier 00006960 4E 65 77 00 00 00 00 00 00 00 00 00 41 72 69 61 6C 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 New.........Arial............... 00006980 00 14 03 00 00 01 01 00 01 01 00 01 14 03 00 00 01 01 00 01 01 00 04 14 03 00 00 01 01 00 01 01 .¶♥..☺☺.☺☺.☺¶♥..☺☺.☺☺.♦¶♥..☺☺.☺☺ 000069A0 00 01 1C 02 01 00 00 00 00 00 00 00 01 14 02 01 00 00 00 00 00 00 00 00 14 02 01 00 00 80 00 01 .☺∟☻☺.......☺¶☻☺........¶☻☺..Ç.☺ 000069C0 01 00 01 14 02 01 00 01 01 00 01 01 00 00 12 02 01 00 01 01 00 01 01 00 00 1C 02 01 00 01 01 00 ☺.☺¶☻☺.☺☺.☺☺..↕☻☺.☺☺.☺☺..∟☻☺.☺☺. 000069E0 01 01 00 00 14 02 01 00 01 01 00 01 01 00 00 10 02 01 00 01 01 00 01 01 00 01 10 02 01 00 01 01 ☺☺..¶☻☺.☺☺.☺☺..►☻☺.☺☺.☺☺.☺►☻☺.☺☺ 00006A00 00 01 01 00 00 10 02 01 00 00 80 00 01 01 00 00 18 02 01 00 01 01 00 01 01 00 01 18 02 01 00 01 .☺☺..►☻☺..Ç.☺☺..↑☻☺.☺☺.☺☺.☺↑☻☺.☺ 00006A20 01 00 01 01 00 00 18 02 01 00 00 80 00 01 01 00 00 00 02 01 00 00 00 00 00 00 00 0B 00 00 00 02 ☺.☺☺..↑☻☺..Ç.☺☺...☻☺.......♂...☻ 00006A40 00 00 00 00 00 00 2F 08 00 00 26 08 00 00 00 3B 29 02 00 00 08 4C 7A 00 00 00 00 00 00 00 00 00 ....../◘..&◘...;)☻..◘Lz......... 00006A60 00 00 00 00 00 00 00 00 00 00 00 FF FF 01 00 01 00 1D 00 00 00 D7 04 1D 00 FF FF FF FF 00 00 00 ........... ☺.☺.↔...╫♦↔. ... 00006A80 00 4D 50 45 47 50 4C 41 59 45 52 20 56 31 2E 36 30 20 48 45 4C 50 20 49 4E 44 45 58 00 30 01 00 .MPEGPLAYER V1.60 HELP INDEX.0☺. 00006AA0 00 4D 50 45 47 50 4C 41 59 20 61 6E 20 4D 50 45 47 20 70 6C 61 79 65 72 20 66 6F 72 20 57 69 6E .MPEGPLAY an MPEG player for Win 00006AC0 33 32 28 74 6D 29 00 22 04 00 00 00 90 05 00 00 00 2B 07 00 00 54 68 65 20 44 69 74 68 65 72 20 32(tm)."♦...É♣...+•..The Dither 00006AE0 4D 65 6E 75 00 32 0A 00 00 54 68 65 20 4F 70 74 69 6F 6E 73 20 4D 65 6E 75 00 07 81 00 00 54 68 Menu.2◙..The Options Menu.•ü..Th 00006B00 65 20 48 65 6C 70 20 4D 65 6E 75 00 86 81 00 00 41 62 6F 75 74 20 74 68 65 20 42 65 72 6B 65 6C e Help Menu.åü..About the Berkel 00006B20 65 79 20 50 6C 61 79 65 72 00 B9 82 00 00 44 69 73 63 6C 61 69 6D 65 72 00 E1 85 00 00 41 6E 20 ey Player.╣é..Disclaimer.ßà..An 00006B40 49 6E 74 72 6F 64 75 63 74 69 6F 6E 20 74 6F 20 4D 50 45 47 00 BA 88 00 00 57 68 61 74 20 69 73 Introduction to MPEG.║ê..What is 00006B60 20 4D 50 45 47 00 32 00 01 00 57 68 61 74 20 64 6F 65 73 20 4D 50 45 47 20 73 74 61 6E 64 20 66 MPEG.2.☺.What does MPEG stand f 00006B80 6F 72 3F 00 AC 00 01 00 44 6F 65 73 20 69 74 20 68 61 76 65 20 61 6E 79 74 68 69 6E 67 20 74 6F or?.¼.☺.Does it have anything to 00006BA0 20 64 6F 20 77 69 74 68 20 4A 50 45 47 00 5F 02 01 00 57 68 61 74 20 69 73 20 4A 42 49 47 20 61 do with JPEG._☻☺.What is JBIG a 00006BC0 6E 64 20 4D 48 45 47 00 53 03 01 00 57 68 61 74 20 68 61 73 20 4D 50 45 47 20 61 63 63 6F 6D 70 nd MHEG.S♥☺.What has MPEG accomp 00006BE0 6C 69 73 68 65 64 00 3D 06 01 00 48 6F 77 20 64 6F 65 73 20 4D 50 45 47 20 49 20 77 6F 72 6B 00 lished.=♠☺.How does MPEG I work. 00006C00 32 80 01 00 53 6F 20 69 73 20 65 61 63 68 20 66 72 61 6D 65 20 70 72 65 64 69 63 74 65 64 20 66 2Ç☺.So is each frame predicted f 00006C20 72 6F 6D 20 74 68 65 20 6C 61 73 74 20 66 72 61 6D 65 00 C9 88 01 00 57 68 65 72 65 20 64 69 64 rom the last frame.╔ê☺.Where did 00006C40 20 74 68 65 79 20 67 65 74 20 74 68 65 20 33 35 32 78 32 34 30 20 69 6D 61 67 65 20 73 69 7A 65 they get the 352x240 image size 00006C60 00 00 00 02 00 57 68 61 74 20 69 66 20 49 27 6D 20 69 6E 20 45 75 72 6F 70 65 00 A7 01 02 00 57 ...☻.What if I'm in Europe.º☺☻.W 00006C80 68 61 74 20 61 62 6F 75 74 20 61 75 64 69 6F 20 63 6F 6D 70 72 65 73 73 69 6F 6E 00 29 06 02 00 hat about audio compression.)♠☻. 00006CA0 53 6F 20 68 6F 77 20 77 65 6C 6C 20 64 6F 65 73 20 4D 50 45 47 20 63 6F 6D 70 72 65 73 73 00 37 So how well does MPEG compress.7 00006CC0 0B 02 00 57 68 61 74 20 69 73 20 4D 50 45 47 20 70 68 61 73 65 20 49 49 00 32 80 02 00 57 68 79 ♂☻.What is MPEG phase II.2Ç☻.Why 00006CE0 20 69 73 6E 27 74 20 4D 50 45 47 20 49 49 20 6A 75 73 74 20 61 20 73 63 61 6C 65 64 20 75 70 20 isn't MPEG II just a scaled up 00006D00 76 65 72 73 69 6F 6E 20 6F 66 20 4D 50 45 47 20 49 00 66 85 02 00 53 6F 20 77 68 61 74 20 77 6F version of MPEG I.fà☻.So what wo 00006D20 72 6B 73 00 76 8A 02 00 57 68 65 6E 20 77 69 6C 6C 20 61 6C 6C 20 74 68 69 73 20 62 65 20 66 69 rks.vè☻.When will all this be fi 00006D40 6E 69 73 68 65 64 00 54 8B 02 00 48 6F 77 20 64 6F 20 49 20 6A 6F 69 6E 20 4D 50 45 47 00 32 00 nished.Tï☻.How do I join MPEG.2. 00006D60 03 00 48 6F 77 20 64 6F 20 49 20 67 65 74 20 49 53 4F 20 64 6F 63 75 6D 65 6E 74 73 2C 20 6C 69 ♥.How do I get ISO documents, li 00006D80 6B 65 20 74 68 65 20 4D 50 45 47 20 49 20 64 72 61 66 74 00 9D 02 03 00 00 9F 02 03 00 00 00 00 ke the MPEG I draft.¥☻♥..ƒ☻♥.... 00006DA0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 00006DC0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 00006DE0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 00006E00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 00006E20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 00006E40 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 00006E60 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 00006E80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 00006EA0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 00006EC0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 00006EE0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 00006F00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 00006F20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 00006F40 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 00006F60 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 00006F80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 00006FA0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 00006FC0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 00006FE0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 00007000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 00007020 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 00007040 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 00007060 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 00007080 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 000070A0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 000070C0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 000070E0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 00007100 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 00007120 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 00007140 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 00007160 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 00007180 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 000071A0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 000071C0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 000071E0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 00007200 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 00007220 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 00007240 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 00007260 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 2F 08 00 00 26 08 00 00 00 3B 29 ...................../◘..&◘...;) 00007280 02 00 00 08 4C 34 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 FF FF 01 00 01 00 ☻..◘L4.................... ☺.☺. 000072A0 1B 00 00 00 20 07 1B 00 FF FF FF FF 7D 07 48 9A BA 88 00 00 7E 07 48 9A 32 00 01 00 7F 07 48 9A ←... •←. }•HÜ║ê..~•HÜ2.☺.⌂•HÜ 000072C0 AC 00 01 00 80 07 48 9A 5F 02 01 00 81 07 48 9A 53 03 01 00 82 07 48 9A 3D 06 01 00 83 07 48 9A ¼.☺.Ç•HÜ_☻☺.ü•HÜS♥☺.é•HÜ=♠☺.â•HÜ 000072E0 32 80 01 00 84 07 48 9A C9 88 01 00 85 07 48 9A 00 00 02 00 92 F3 83 B4 2B 07 00 00 6A 66 1D C0 2Ç☺.ä•HÜ╔ê☺.à•HÜ..☻.Æ≤â┤+•..jf↔└ 00007300 32 0A 00 00 DE 3F 4A C3 B9 82 00 00 74 DC E9 D9 E1 85 00 00 00 42 19 EA 29 06 02 00 01 42 19 EA 2◙..▐?J├╣é..t▄Θ┘ßà...B↓Ω)♠☻.☺B↓Ω 00007320 37 0B 02 00 02 42 19 EA 32 80 02 00 03 42 19 EA 66 85 02 00 04 42 19 EA 76 8A 02 00 05 42 19 EA 7♂☻.☻B↓Ω2Ç☻.♥B↓Ωfà☻.♦B↓Ωvè☻.♣B↓Ω 00007340 54 8B 02 00 06 42 19 EA 32 00 03 00 09 42 19 EA A7 01 02 00 FC 69 1B 00 22 04 00 00 49 BA 1D 00 Tï☻.♠B↓Ω2.♥.○B↓Ωº☺☻.ⁿi←."♦..I║↔. 00007360 07 81 00 00 98 88 0F 06 90 05 00 00 0C 5E 75 07 30 01 00 00 8A 55 F4 25 00 00 00 00 1F BF 64 7F •ü..ÿê☼♠É♣..♀^u•0☺..èU⌠%....▼┐d⌂ 00007380 86 81 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 åü.............................. 000073A0 00 00 00 00 00 00 00 00 00 FF 1F 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ......... ▼..................... 000073C0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 000073E0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 00007400 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 00007420 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................ 00007440 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 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