1、 KS X 1708-3KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS 3：MPEG2 KS X 1708-3 : 2003 (2008 ) 2003 5 20 http:/www.kats.go.kr : e- ( ) ( ) ( ) ( ) ( ) : (http:/www.standard.go.kr) ： : 2003 5 20 : 2008 10 31 2008-0739 : e- ( 02-509-7262) . (http:/www.kats.go.kr) 10 5 , . X 1708 3： 2003 i . KS X 1708 “ ” . 1
2、： JPEG(KS X 1708 1) 2： MPEG 1(KS X 1708 2) 3： MPEG 2(KS X 1708 3) 4： MPEG 4(KS X 1708 4) 5： MPEG 7(KS X 1708 5) ICS 35.060 KS X 3：MPEG2 1708 3： 2003(2008 ) Information technology Vocabulary for coding of multimedia information Part 3： MPEG 2 MPEG 2 . ISO/IEC 13818 Information technology Generic codi
3、ng of moving pictures and associated audio information 1. MPEG 2 . 2. . . KS X ISO/IEC 11172 3： 2001 1.5 Mbps (MPEG 1) 3： KS X ISO/IEC 13818 1： 2001 (MPEG 2) 1： KS X ISO/IEC 13818 2： 2001 (MPEG 2) 2： KS X ISO/IEC 13818 3： 2001 (MPEG 2) 3： KS X ISO/IEC 13818 4： 2001 (MPEG 2) 4： KS X ISO/IEC 13818 5：
4、2002 (MPEG 2) 5： KS X ISO/IEC 13818 6： 2003 (MPEG 2) 6： (DSM CC) KS X ISO/IEC 13818 7 (MPEG 2) 7： (AAC) KS X ISO/IEC 13818 9 (MPEG 2) 9： KS X ISO/IEC 13818 10 (MPEG 2) 10： (DSM CC) KS X ISO/IEC 14496 1 (MPEG 4) 1： KS X ISO/IEC 14496 16 (MPEG 4) 6： (DMIF) 3. . 1 168 (168 prediction) 168 2 2 (twos-com
5、plement) 2 2 . 0X 1708 3： 2003 2 1 1 (least significant bit; LSB) 1 . 1010 2 1 0101 1 0110 . 3 (Variable Length Decoder：VLD) (variable length encoder) . , . . 4 (Variable Length Code：VLC) (variable length encoder) . . , . (Huffman code), (arithmetic code), (Lempel Ziv code), (run-length code) , . 2
6、. 5 (variable length encoder) . 6 (Variable Length Coding：VLC) . , . 7 (variable bit rate) . 8 (forced updating) DCT (intra-coding) 9 (emphasis) MPEG 1, 2 . (pre-emphasis) . (de-emphasis) . 10 (intra-entity interface) MPEG 2 DSM CC , (entity) (sub-entity) 11 (inter-entity interface) MPEG 2 DSM CC ,
7、(sub-system) 2 (entity) , 12 (skipped macroblock) . DCT 0 . . 13 (CheckSum word：CS word) , , , (word) . 14 (retrieval) X 1708 3： 2003 3 . 15 (interlaced-to-progressive) TV . TV , , . , , , . 16 (interlace) , TV . 2 1(first) 2 (second) , 1 (first) . 17 (interlaced scanning) TV , . TV , . , . 18 (Lapp
8、ed Orthogonal Transform：LOT) DCT . . LOT DCT . 19 (layer) (tile-component) (code-block) . . 20 (hierarchy) . 21 (hierarchy layer) . 22 (layered bitstream) “ ” . 23 (hierarchy descriptor) MPEG , , . 24 (layered coding) , , (base layer) (enhancement layer) . MPEG 2 (scalability) . 25 (layer bitstream)
9、 . MPEG 1, 2 , , , , 3 . 3 I, II, III . N(N=I, II, III) ( N) . 26 II (layer II granule) MPEG 1, 2 , X 1708 3： 2003 4 , 32 3 . 96 , 96 PCM . II , , . 27 III (layer III granule) MPEG 1, 2 , 576 . 32 18 3218 576 . 2 . III (frequency resolution) . ( ) , , . 28 (underflow) . 29 (Advanced Audio Coding：AAC
10、) ISO/IEC 13818 7 . 5 320 kb/s MPEG 1 . , , , (scale factor), M/S(Mid/Side) , / , , , , (main profile), (low complexity profile), (scalable sampling rate profile) 3 . 30 (High Definition TeleVision：HDTV) TV 2 , , TV. 1125, 1080, 60 Hz, 2： 1 , 16： 9 . TV 525 625 , . 4： 3 10 , . TV TV , , , , 30 . . 1
11、990 ATV, MUSE HD MAC HDTV HD MAC DVB HDTV . HDTV CATV, , (ISDN) . . 31 (fast forward playback) , . 32 (fast reverse playback) 33 (fast reverse) MPEG 2 PES trick-mode-control 011 , PES 5 . intra_slice_refresh 1 . . field_id 2 X 1708 3： 2003 5 . frequency_truncation 2 . 34 (Fast Discrete Cosine Transf
12、orm：FDCT) DCT (fast algorithm). . LEE . 35 (Fast Fourier Transform：FFT) DFT . N DFT N2 , FFT N log N . FFT DFT . FFT , (decimation-in-time) (decimation-in-frequency) . FFT N 2 . 36 (Inverse Fast Fourier Transform：IFFT) (inverse discrete Fourier transform) (FFT) . . 37 (High Pass Filter：HPF) , . 0 ,
13、1 . 38 (Fixed Length Codes：FLC) (linear block code) . 39 (fixed segmentation) . 40 (Constant Bit Rate：CBR) ( ) . JPEG, MPEG , . PCM 64 kbps, ADPCM 32 kbps . 41 (constant bit rate coded video) 42 (spatial scalability) MPEG 2 . . 43 (spatial prediction) . . 44 (Common Intermediate Format：CIF) MPEG, H.
14、261, H.263 CIF 352288 , 30 / . 45 ( )(past reference frame(field) 46 (past reference picture) 1 X 1708 3： 2003 6 47 (over-scan) TV . . TV . 48 (widescreen television) 4： 3 TV 16： 9 TV. HDTV . 16： 9 TV . TV (SDTV) . TV . 49 (syntactics) MPEG . 50 (Zonal Coding：ZC) DCT . , EOB(End Of Block) . DCT DC .
15、 51 (architecture) (interactive) KS X ISO/IEC 14496 1 . (representation) , “ ” “ ” . . ISO/IEC 14496 . KS X ISO/IEC 14496 6 DMIF (delivery layer) (interface) (session) . (setup) (elementary stream) . KS X ISO/IEC 14496 1 . X 1708 3： 2003 7 52 (International Electrotechnical Commission：IEC) . 1906 .
16、53 (International Telecommunication Union：ITU) , . , ITU , , , AV SL SL SL SL SL SLSL SL- DMIF / FlexMux FlexMux FlexMux(PES) MPEG-2 TS (RTP) UDP IP AAL2 ATM H223 PSTN DAB Mux X 1708 3： 2003 8 . 1865 ITU , 1932 1934 . 1947 (UN) . 1952 . 54 (International Telecommunication UnionT elecommunication Sta
17、ndadization Sector：ITUT) . CCITT , . 55 (International Telegraph and Telephone Consultati ve Committee：CCITT) , ITU T . . 56 (International Organization for Standardization：ISO) . 1947 (TC： Technical Committee) 170 . 1963 . 57 (normative) . . . 58 (base bitstream) . KS X ISO/IEC 11172 3(MPEG 1 ) KS X ISO/IEC 13818 3(MPEG 2 ) . KS X ISO/IEC 13818 3 . 59 (base frame) KS X ISO/IEC 13818 3(MPEG 2 ) KS X ISO/IEC 11172 3(MPEG 1 ) 60 (r
