1、 KS X 1708-4KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS 4：MPEG4 KS X 1708-4 : 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 4： 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 4： 2003 ii 1 1. 1 2. 1 3. 1 ICS 35.040 KS 4：MPEG4 X 1708 4： 2003(2008 ) Information technology Vocabulary for coding of multimedia information Part 4： MPEG 4 MPEG 4 . KS X ISO/IEC 1
3、4496 (MPEG 4) 1. MPEG 4 . 2. . . KS X ISO/IEC 14496 1： 2003 (MPEG 4) 1： KS X ISO/IEC 14496 2： 2003 (MPEG 4) 2： KS X ISO/IEC 14496 3： 2003 (MPEG 4) 3： KS X ISO/IEC 14496 4： 2001 (MPEG 4) 4： KS X ISO/IEC 14496 5： 2001 (MPEG 4) 5： KS X ISO/IEC 14496 6： 2003 (MPEG 4) 6： (DMIF) 3. . 1 1 (OneDimensional D
4、iscrete Wavelet Transformatio n：1DDWT) 1 . . . 1 2 . 2 1DDWT 1 (OneDimensional Discrete Wavelet Tran sformation：1DDWT) 3 3(3 Dimensional：3D) MPEG 2 , 2 . MPEG 4 3 . 3 2 2 3 . 2 3 MPEG 4 . 4 3 (3D mesh property) 3 , X 1708 4： 2003 2 5 3D 3(3 Dimensional：3D) 6 3DMC (3) (3D) Mesh Coding：3DMC 7 8 (Unive
5、rsal Text Format8 bit：UTF8) 8 ( 7 .) . , 2 , 16 . ASCII 128 . ASCII 65 536 16 . . 256 OS/2 , . , . . . 8 (Variable Length Decoder：VLD) (variable length encoder) . , . . 9 (Variable Length Code：VLC) (variable length encoder) . . , . (Huffman code), (arithmetic code), (Lempel Ziv code), (run-length co
6、de) , . 2 . 10 (variable length encoder) . , 11 (Variable Length Coding：VLC) . , . 12 (variable bitrate) , . 13 (imaginary edge) 14 (virtual codebook) . MPEG 4 (advanced audio coding) X 1708 4： 2003 3 . . MPEG 4 11(codebook 11) 16 16 . . 15 (virtual triangle) . 16 (Virtual Reality Modeling Language：
7、VRML) OpenGL . 1997 , VRML 97 VRML 2.0 . , , . 3 . Web3D X3D(eXtensible 3D) . 17 (forced updating) DCT (intra-coding) 18 (emphasis) MPEG 1, 2 . (pre-emphasis) . (de-emphasis) . 19 (Modified Julian Date：MJD) . 20 (Object Descriptor：OD) MPEG 4 . ObjectDescriptorID , esDescr . 21 (object descriptor upd
8、ate：ObjectDescriptorUpdate) MPEG 4 . 22 (object descriptor command) MPEG 4 . 23 (object descriptor remove：ObjectDescriptorRemove) MPEG 4 . 24 (object descriptor stream) MPEG 4 . X 1708 4： 2003 4 25 (object descriptor profile) MPEG 4 . 26 (Object Time Base：OTB) MPEG 4 , . 27 (Object Content Informati
9、on：OCI) MPEG 4 . , , , . 28 (Object Content Information descriptor：OCI desc riptor) MPEG 4 . 29 (Object Clock Reference：OCR) MPEG 4 . MPEG 4 (clock reference) . 30 (object representation) 3 , generalized cylinder, super quadrics . 31 () spanning forest (of a graph) . . 32 (CheckSum word：CS word) , ,
10、 , (word) . 33 (interlace) TV . 1 (first) 2 (second) , 1 (first) . 34 (association) (sequence) , . MPEG . 35 (3 ) boundary (of a 3D mesh) 36 (boundary-based shape representation) , (representation) . (chain code) , , (signature) , (skeleton) . . . 37 (bounding loop) 38 (bounding loop index) 39 (3 )
11、boundary edge (of a 3D mesh) 40 (layer) (tile-component) (code-block) X 1708 4： 2003 5 . . 41 (hierarchy) . 42 (layered bitstream) “ ” . 43 3 (hierarchical 3D mesh) 3D BIFS 44 (3 ) hierarchical representation (of a 3D mesh) 3 . 3 . . 45 (Advanced Audio Coding：AAC) KS X ISO/IEC 13818 7 MPEG 2 . 5 320
12、 kb/s , MPEG 1 . , , , (scale factor), M/S(Mid/Side) , / , , , , (main profile), (low complexity profile), (scalable sampling rate profile) . 46 (Fast Discrete Cosine Transform：FDCT) DCT (fast algorithm). . LEE . 47 (Fast Fourier Transform ： FFT) DFT . N DFT N2 , FFT N log N . FFT DFT . FFT , (decim
13、ation-in-time) (decimation-in-frequency) . FFT N 2 . 48 (Inverse Fast Fourier Transform：IFFT) (inverse discrete Fourier transform) (FFT) . . 49 (HighPass Filter：HPF) , . 0 1 . 50 (Fixed Length Code：FLC) (linear block code) . 51 (fixed codebook) a) (VQ) b) MPEG 4 CELP . shape_positions shape_signs (m
14、ulti-pulse excitation) . 52 (Constant Bit Rate：CBR) ( ) . JPEG, MPEG X 1708 4： 2003 6 , . PCM 64 kbps, ADPCM 32 kbps . 53 (constant bitrate coded video) 54 (harmonics) . 2 2 (the second harmonic component) . . , (continuous-time periodic signal) (Fourier series) . (discrete-time periodic signal) (di
15、screte Fourier transform) . 55 (Harmonic Vector eXcitation Coding：HVXC) MPEG 4 2.0 4.0 kbps (bit rate) (speech signal) . 2.0 kbps 4.0 kbps 2.0 kbps . 1.2 1.7 kbps . LPC (residual signal) , , (vector excitation coding) . 20 ms 256 160 , 33.5 56 ms . (weighted vector), IFFT , / . 56 (harmonic magnitud
16、e) (harmonic) . (spectral envelope) . 57 (harmonic synthesis) (harmonic magnitude) (excitation) . MPEG 4 HVXC(Harmonic Vector Excitaton Coding) 58 (spatial scalability) MPEG 2 . . 59 (spatial prediction) . . 60 (spatialization) . MPEG 4 (spatialization statement) . (instrument) . , . 61 (Common Inte
17、rmediate Format：CIF) MPEG, H.261, H.263 CIF 352288 , 30 / . X 1708 4： 2003 7 62 (past reference picture) 63 (syntax-based arithmetic code) , . H.263 , MPEG 4 . 64 (syntax) . 65 (Syntatic Description Language： SDL) KS X ISO/IEC 14496 1 . KS X ISO/IEC 11172 KS X ISO/IEC 13818 C . SDL . Java C . 66 (composition process) MPEG 4 VOP 67 (Zonal Coding：ZC) DCT . , , EOB(End Of Block) . DCT DC
