- Page 1 and 2: Email: tian@dr.com http://www.digia
- Page 3 and 4: H.261 1.1 H.261 1.2 H.261 1.3 H.261
- Page 5 and 6: 1.2 H.261
- Page 7 and 8: 1.3 H.261 625 PAL 525NTSC CIF(Com
- Page 9 and 10: CCIR601 ISO/MPEG-1 CCITT H.261 PAL
- Page 11 and 12: CIFQCIF ISDN DCT 4 DCT
- Page 13 and 14: • P=12 QCIF 64kbps 40kbps 16kb
- Page 15: 1.5 H.261
- Page 19 and 20: DCT DCT DCT
- Page 21 and 22: ZigZag EOB (Run) (Level) 20 6
- Page 23 and 24: • (Picture) (GOBGroup of block
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- Page 27 and 28: 1.6 H.26 H.261
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- Page 31 and 32: MPEG 2.1 MPEG-1 2.2 MPEG-1 2.3 MPE
- Page 33 and 34: ISO ITU H.261 JPEG JBIG MPEG-1 M
- Page 35 and 36: MPEG-1 MPEG MPEG MPEG MPEG-1 1.5M
- Page 37 and 38: VHS CD MPEG-1 MPEG-1 MPEG MPEG
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- Page 41 and 42: MPEG-1 1. VHS CD-ROM 2. 3. 1-
- Page 43 and 44: MPEG-1 MPEG-1 H. 2 MPEG
- Page 45 and 46: MPEG
- Page 47 and 48: 2. P IP P B P P 3. B MPE
- Page 49 and 50: 1. I I I 2. B IP B
- Page 51 and 52: P B I
- Page 53 and 54: MPEG (DCT) 88
- Page 55 and 56: ( ) DPCM MPEG ( DPCM/DCT )
- Page 57 and 58: DPCM MPEG-l MPEG-2 ( )
- Page 59 and 60: ( )
- Page 61 and 62: DCT DCT ( DCT ) DCT
- Page 63 and 64: ( ) ( ) MPEG DPCM/DCT
- Page 65 and 66: (UV) YUV 411 P " "(MB) 4 (Y 3
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P I N-l (MC)- N N-1 88DCT 88 D
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MPEG MPEG-1 " " MPEG MPEG MPEG
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2.2 MPEG-1 MPEG MPEG-1 MPEG-1
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MPEG 1991 MPEG MPEG
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1:12 , 30M CD , MP3 2M . JPG
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MPEG-1 layer LAYER
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Audio Layer III Audio Layer IAudio
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Layer III;
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PCM MPEG-1
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MPEG-1 MPEG-1 32
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MPEG-1 MPEG-1
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MPEG-1 - I II 32 1236 III 6
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SMR
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MPEG-1 2-10Hz
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2.3 MPEG-1 MPEG-1
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MPEG MPEG
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3.1 MPEG 19907 ITU-TS ATM H.262
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3.2 MPEG-2 MPEG-2
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MPEG-2 720*480 CCIR-601 MPEG-1
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MPEG-2 ‣ ‣ MPEG2 MP@ML MP
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‣ MPEG
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‣ - MPEG2 GOP ‣
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3 / low 352x240x30 3.05 M 4
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5 MPEG-2
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‣ Sample Profile at main level SP
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3.4 MPEG-2 MPEG-2 (profile) MPEG-
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MPEG-2
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3.5 MPEG-2 MPEG-1 ‣ ‣ DCT
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‣ at I P B MPEG-1 SIF 150,
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MPEG-1 352*240*30fps352*288*25fps
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‣ MPEG-2 MPEG-1 -127-127 -2043- +
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‣ MPEG-2MPEG-1 ‣ DRAM DRAM
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4.1 MPEG-4 1988 1) "JPEG" "H.26
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3C MPEG-1 MPEG-2 "" "" " "
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ISO MPEG 19937 ---MPEG-4 19993 I
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4.3 MPEG-4 MPEG-4 •
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• • • •
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(implicit)2D
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MPEG-1MPEG-2 VLBV (VLBVVery Low
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ITU-R 601
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4.5 MPEG-4 VOP(Video Object Plan
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H.261MPEG- 1/MPEG-2 MPEG-4 --
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VOP ( ) ( ) H.261MPEG- 1/MPEG-2 M
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VOP VOP
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VOP VOP (88 ) - VOP (Intra)
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MPEG-4 VO 01 VOP 0 VOP 1 VOP
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MPEG-4 VOP VOP 3 (Intraframe) (I
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MPEG-4 8 SPRITE VOP 8
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88 DCT VOP DCT VOP VOP VOP VOP
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B-VOP P-VOP VOP 128 SADCT(Shape-a
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MPEG-4 VOL(Video Object Layer) 2 V
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MPEG-1/MPEG- 2VCD/DVD MPEG MPEG
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MPEG-7
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MPEG-7 MPEG-4 2001MPEG-7