1、 KS X 1708-2KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS 2：MPEG1 KS X 1708-2 : 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 2： 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) X 1708 2： 2003 ii 1 1. 1 2. 1 3. 1 ICS 35.040 KS 2：MPEG1 X 17082： 2003(2008 ) Information technologyVocabulary for coding of multimedia InformationPart 2：MPEG-1 MPEG 1 . ISO/IEC 11172 Info
3、rmation technology Coding of moving pictures and associated audio for digital storage media at up to about 1.5 Mbit/s 1. MPEG 1 . 2. . . KS X ISO/IEC 11172 1： 2001 1.5 Mbps (MPEG 1) 1： KS X ISO/IEC 11172 2： 2001 1.5 Mbps (MPEG 1) 2： KS X ISO/IEC 11172 3： 2001 1.5 Mbps (MPEG 1) 3： KS X ISO/IEC 11172
4、4： 2001 1.5 Mbps (MPEG 1) 4： KS X ISO/IEC 11172 5： 2002 1.5 Mbps (MPEG 1) 5： 3. . 1 (Variable Length Decoder：VLD) (variable length encoder) . , . . 2 (Variable Length Code：VLC) (variable length encoder) . . , . (Huffman code), (arithmetic code), (Lempel Ziv code), (run-length code) , . 2X 1708 2： 20
5、03 2 . 3 (variable length encoder) . 4 (Variable Length Coding：VLC) , . , . 5 (variable bitrate) , . 6 (forced updating) DCT (intra-coding) 7 (emphasis) MPEG 1, 2 . (pre-emphasis) . (de-emphasis) . 8 (skipped macroblock) . DCT 0 . . 9 (CheckSum word：CS word) , , (word) . 10 (interlace) TV . 2 1(firs
6、t) 2 (second) , 1 (first) . 11 (layer) (tile-component) (code-block) . . 12 II (layer II granule) MPEG 1, 2 , 32 3 . 96 96 PCM . II , , . 13 III (layer III granule) MPEG 1, 2 , 576 . 32 18 3218 576 . 2 . III (frequency resolution) . ( ) , , . 14 (hierarchical motion estimation) . . 2 X 1708 2： 2003
7、3 . . 15 (hierarchical search) , . 2 . 16 (fast forward playback) . 17 (fast reverse playback) 18 (fast reverse) MPEG 2 PES trick-mode-control 011 , PES 5 . intra_slice_refresh 1 . . field_id 2 . frequency_truncation 2 . 19 (Fast Discrete Cosine Transform：FDCT) DCT (fast algorithm). . LEE . 20 (Fast
8、 Fourier Transform：FFT) DFT . N DFT N2 , FFT N log N . FFT DFT . FFT , (decimation-in-time) (decimation-in-frequency) . FFT N 2 . 21 (Inverse Fast Fourier Transform：IFFT) (inverse discrete Fourier transform) (FFT) . . 22 (High Pass Filter：HPF) . 0 1 . 23 (fixed segmentation) . 24 (Constant BitRate：C
9、BR) ( ) . JPEG, MPEG . PCM 64 kbps, ADPCM 32 kbps . X 1708 2： 2003 4 25 (constant bitrate coded video) 26 (spatial comb filter) . . . 27 (spatial resolution) (fidelity) 2 2 . . 2 . TV 3 , , . 28 (spatial redundancy) , , , . . . . . HM H , R HM H . DCT, , . , DCT . 29 (Common Intermediate Format：CIF)
10、 MPEG, H.261, H.263 CIF 352288 , 30 / . 30 (past reference picture) 1 31 (oversampling) (Nyquist rate) . (Nyquist rate) . B Hz 2 B Hz f s Hz . 32 (Zonal Coding：ZC) DCT . , , EOB(End Of Block) . DCT DC . 33 (International Electrotechnical Commission：IEC) . 1906 . 34 (International Organization for St
11、andardization：ISO) . 1947 (TC： Technical Committee) 170 . 1963 . Bfs2X 1708 2： 2003 5 35 (normative) . . . 36 (Elementary Stream：ES) , . 37 (flicker) . . . . . TV . 38 (modulus) . 39 (Nyquist sampling) . (critical sampling) . (discrete-time signal) , . . (aliasing) . 40 (polyphase filterbank) (equal
12、-bandwidth) . (interpolation) (decimation) (low pass filter) . , M： 1 M： 1 (up-sampling) , M 0 . M M . M , . 1/M , 1/M . MDCT (subband decomposition) , . 41 (multiplexing) . 42 (multiplexer) ( ) ( ) . ( ) (demultiplexer) ( ) . ( ) ( ) . MPEG , , . 43 (logarithmic search) (Block Matching Algorithm：BM
13、A) 5 , 1/2 X 1708 2： 2003 6 . 1 (full search) . 44 (band-limited signal) . LTI(Linear Time-Invariant) (sampling) . , (aliasing) . 45 (BandPass Filter：BPF) 0 , . . 46 (bandwidth) . . ( 3 dB ) . 47 (bandwidth efficiency) , (bits per second) (Hz) (bits per second)/ (Hz) M-ary signalling log2M . 48 (dat
14、a compression) 1) , , . 2) . . . 3) , , 49 (data element) . . 50 (data rate) . 51 (dot interlace scanning) Gain (dB) (Hz)X 1708 2： 2003 7 , . 52 (dot pattern generator) TV . . 53 (dot pitch) TV CRT . (shadow mask) R, G, B , . , , . 0.25 0.28 mm . 54 (syncword) . MPEG 1 2 12 . 1111 1111 1111 . MPEG 1 , MPEG 2 . MPEG 4 KS X ISO/IEC 14496 3 A.1 . (audio data transport stream) 1111
