1、 52722200722003/23 - 27 2002 . 184- , 1.02004 . 1 - ( )2 , 3 - 17 2007 . 93-4 (-): -: ITU-R BT.601-5 (1995), ITU BT.656-4 (1998),ITU BT.601 (part A) (SMPTE): SMPTE 259M: (1997)10 Bit 4:2:25 , - . () . - , , 2007 , - - II 5272220071 .12 .13 .24 25 . . . 26 .37 .58 . 89 1210 .15 () - 16 17III 52722200
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3、7 3 21879 52210.4 : - ; ; ;DVB ;MPEG-2 , - , ;M-JPEG JPEG (JPEG ).5 1.2 5272220071 - () ; 2 - - () ; 3 , , ;4 ; 5 - 1 6 6.1 ( , 4:2:2, 4:2:0, 4:1:1, - 13,5 4:3) . 1 2. 1 , , - , , , - . .6.2 :0 ( .) 4:4:4. - 1 2 .I 4:3 4:2:2. - .II - 4:3 4:2:2, 4:1:1 4:2:0. , - .III . -, 4:1:1 4:2:0. . , . II (-) 1.
4、 1 , I II III 1 , ,* :460 430 400 120 90 80 * 200 150 1002 80 75 653 - () , , - - - 0,54,8 c1770,5 0,54,0 c1770,5 0,52,0 c1770,55,8+0,52,04,8+0,51,04,8+0,52,05,8+0,53,05,5+0,56,03 527222007 1 I II III 4 -, , , - - - 0,52,0+0,52,00,51,5+0,52,00,51,3+0,54,05 - -2, %, 0,5 1,0 1,56 , %, 2,0 3,0 6,07 , %
5、, 2,0 3,0 6,08 , % c177 4,0 c177 6,0 c177 8,09 - , c177 20 c177 30 c177 8010 -, c177 20 c177 20 c177 4011 / -, , , 60,0 52,0 50,012 / -, , , - 70,0 65,0 56,013 , 700 c177 14 700 c177 14 700 c177 1414 , c177 (350 c177 7) c177 (350 c177 7) c177 (350 c177 7)15 , M-JPEG 3,3 5 10 - MPEG-2 10* 15*16 , , I
6、 II III 5 4,5 4 5 4,5 4 5 4,0 4* .1 12 .2 . , , -.4 5272220076.3 2. , 7. , 8. 2 , - I II III 1 , , , - - - 2020000+0,51,02020000+0,51,02015000+1,02,02 /, 62,0 56,0 54,03 ,%, 0,3 0,3 0,44 *, 1 5 105 c177 5c176 c177 5c176 c177 5c1766 , 5 4 4* .6.4 - MPEG-2 , - 7.7 7.1 , .7.2 - , , 3. SDI . 3 ASI SDI IEEE1394 SPI1 ( - ), % 80 80 80 802 , 800c177 80 800 c177 80 142 520 454 9083 -, c177 0,5 1,165 2,515 5 527222007 3 ASI SDI IEEE1394 SPI4 , 1,2 1 c177 0,25 3,2(100 /c) 14 % 5 , % , 10 20 10,8 10,86 -, 1,85 7
