1、 KSKSKSKS KS X ISO/IEC 14496 3SKSKSKS KSKSKS SKSKS KSKS SKS KS (MPEG4) 3： KS X ISO/IEC 14496 3： 2005 2005 12 26 X ISO/IEC 14496 3： 2005 e ( ) ( ) ( ) ( ) ( ) ( ) ( ) ： ： 1999 12 29 ： 2005 12 26 2005 0947 ： e ： e ( ) ( 02 509 7272 4) . 7 5 , . X ISO/IEC 14496 3： 2005 e . KS X ISO/IEC 14496 “ (MPEG 4)
2、” . 1 ： (KS X ISO/IEC 14496 1) 2 ： (KS X ISO/IEC 14496 2) 3 ： (KS X ISO/IEC 14496 3) 4 ： (KS X ISO/IEC 14496 4) 5： (KS X ISO/IEC 14496 5) 6： (DMIF)(KS X ISO/IEC 14496 6) 7： MPEG 4 (KS X ISO/IEC 14496 7) 8： IP KS X ISO/IEC 14496 (KS X ISO/IEC 14496 8) 9： (KS X ISO/IEC 14496 9) 10： (AVC)(KS X ISO/IEC
3、14496 10) 11： (KS X ISO/IEC 14496 11) 12： ISO (KS X ISO/IEC 14496 12) 13： (IPMP) (KS X ISO/IEC 14496 13) 14： MP4 (KS X ISO/IEC 14496 14) 15： (AVC) (KS X ISO/IEC 14496 15) 16： (AFX)(KS X ISO/IEC 14496 16) 17： (KS X ISO/IEC 14496 17) 18： (KS X ISO/IEC 14496 18) 19： (KS X ISO/IEC 14496 19) . i ICS 35.0
4、40 KS X ISO/IEC ( MPEG 4)3 ： 14496 3： 2005Information technology Coding of audio-visual objects(MPEG 4) Part 3： Audio 2001 ISO/IEC 14496 3 Information technology Coding of audio-visual objectsPart 3： Audio . 1.5 . 1. 1.1 MPEG 4 . . MIDI TTS(Text-to-Speech) . (score file) (script) (instrument) . (pri
5、mitive) . . . , . , . TTS , . , TTS (content) . FA(facial animation)/AP/MP(moving picture) TTS . MPEG 4 TTS FA/AP/MP TTS . MPEG 4 TTS , / (scalable) TTS TTS . TTS . . , . MPEG 4 TTS . TTS TTS , TTS TTS AP TTS MP . MPEG 4 2 64 kbit/s . MPEG 4 (tool set) MPEG 2 AAC(advanced audio coding) . 2 64 kbit/s
6、 MPEG 4 (syntax) X ISO/IEC 14496 3： 2005 . , . 2 6 kbit/s 8 kHz , (parametric) . 6 24 kbit/s CELP(code excited linear predictive) . ( ) 8 kHz 16 kHz, . 16 kbit/s (time to frequency) . 8 kHz . . , (pitch) , (resilience), , , (robustness), (scalability) . ( , CELP t/f) . . . . . . . 1.2 ISO/IEC 14496
7、3： 2001 1.2 Normative references . 1.3 1.3.1 AAC 1.3.2 (audio access unit) 1.3.3 ( audio composition unit) 1.3.4 (absolute time) . . . 1.3.5 (actual parameter) 1.3.6 A ( A-cycle) 1.3.7 (ad aptive codebook) . (excitation) . 1.3.8 ( alias) 1.3.9 ( analysis filterbank) PCM 1.3.10 (ancillary data) . 1.3
8、.11 API 1.3.12 A ( A-rate) 1.3.13 Asig a (a-rate) (lexical tag) 2 X ISO/IEC 14496 3： 2005 1.3.14 (audio buffer) 1.3.15 (audio cycle) (audio rate) 1.3.16 (audio rate) , (expression) 1.3.17 (audio sample) . . 1.3.18 BIFS(audioBIFS) KS X ISO/IEC 14496 1(MPEG 4 ) 1.3.19 (authoring) , , , MPEG 4 . 1.3.20
9、 Backus Naur Format(BNF) SAOL SASL 1.3.21 ( backward compatibility) , . 1.3.22 (bandwidth scalability) 1.3.23 ( bank) 1.3.24 (bark) 1.3.25 (bitrate) 1.3.26 ( bitrate scalability) 1.3.27 ( bitstream verifier) KS X ISO/IEC 13817 7 1.3.28 (bitstream；str eam) 1.3.29 (block companding) 1.3.30 BNF(BackusN
10、aur Format) 1.3.31 BSAC Bit Sliced Arithmetic Coding 1.3.32 (bus) 1.3.33 (byte) 8 1.3.34 (byte aligned) 8 . 1.3.35 CELP Code Excited Linear Prediction 1.3.36 (centre channel) 1.3.37 (channel) 1.3.38 (coded audio bitstream) 1.3.39 (coded representation) 3 X ISO/IEC 14496 3： 2005 1.3.40 composition(co
11、mpositing) . 1.3.41 (compression) 1.3.42 (constant bitrate) 1.3.43 (context) 1.3.44 (control) 1.3.45 (control cycle) 1.3.46 (control period) ( .) 1.3.47 (control rate) (1) , , , . (2) , , (rate type) 1.3.48 (core coder) . AAC MDCT (spectral sample) , . AAC up-sampling . MPEG 4 MPEG 4 CELP . AAC , CE
12、LP , . 1.3.49 CRC(Cyclic Redundancy Check) 1.3.50 (critical band) 1.3.51 (data element) 1.3.52 (data function) 1.3.53 (de-emphasis) 1.3.54 ( decoded stream) 1.3.55 (decoder) 1.3.56 ( )decoding(process) KS X ISO/1EC 13818 7 1.3.57 (demultiplixing) . 1.3.58 DFT(Discrete Fourier Treansform) 1.3.59 ( di
13、gital storage media； DSM) 1.3.60 (dimension conversion) (interpolation) 1.3.61 (discrete cosine transform；DCT) . DCT . 1.3.62 (downmix) n n 4 X ISO/IEC 14496 3： 2005 1.3.63 (duration) . 1.3.64 (editing) . KS X ISO/IEC 14496 3 . 1.3.65 Elementary Stream(ES) MPEG 4 MPEG 4 AV O b j e c t . FlexMux . 1.
14、3.66 (encoder) 1.3.67 ( )encoding(process) KS X ISO/1EC 13818 KS X ISO/IEC 13818 1.3.68 (enhancement layer) 1.3.69 (entropy coding) 1.3.70 (envelope) . 1.3.71 EP(Error Protection) 1.3.72 ER(Error Resilience or Error Resilient) 1.3.73 (event) 1.3.74 (excitation) LPC . LPC . 1.3.75 ( expression) , , o
15、pcode . 1.3.76 FFT . ( ) 1.3.77 (filter bank) 1.3.78 (fine rate control) LPC . 1.3.79 (fixed codebook) . . 1.3.80 (flag) 1.3.81 (formal parameter) opcode 1.3.82 (forward compatibility) . 1.3.83 (frame) PCM 1.3.84 Fs 1.3.85 FSS(Frequency Selective Switch) . 1.3.86 (fundamental frequency) 1.3.87 ( fut
16、ure wavetable) SAOL . (bitstream) 1.3.88 (global block) (global variable), route send , (sequence rule), (global parameter) 1.3.89 (global context) (global variable), (waveteble) 5 X ISO/IEC 14496 3： 2005 1.3.90 (global parameter) (sampling rate), (control rate), 1.3.91 (global variable) 1.3.92 (gra
17、mmar) (lexical element) 1.3.93 ( guard expression) If, while, else 1.3.94 (Hann window) 1.3.95 (harmonic lines) 1.3.96 (harmonic magnitude) 1.3.97 (harmonic synthesis) 1.3.98 (harmonics) 1.3.99 HCR 1.3.100 HILN ( ) 1.3.101 (Huffman coding) 1.3.102 HVXC 1.3.103 (hybrid filterbank) MDCT . MPEG 1 MPEG
18、2 . 1.3.104 I (I-cycle) 1.3.105 IDCT 1.3.106 (identifier) SAOL 1.3.107 IFFT 1.3.108 IMDCT 1.3.109 (index) 1.3.110 (individual line) , , 1.3.111 (informative) , 1.3.112 (initial phase) (harmonic synthesis) 1.3.113 (initialisation cycle) 1.3.114 (initialisation pass) (i-rate) 1.3.115 (initialization r
19、ate) (instrument instantiation) , , 1.3.116 (instance) 1.3.117 (instantiation) 1.3.118 (instrument) SAOL , . (score) . MPEG 4 . 6 X ISO/IEC 14496 3： 2005 . (timbre) (SAOL) . 1.3.119 (instrument instantiation) SAOL , 1.3.120 (intensity stereo) 1.3.121 ( interframe prediction) . LSP VQ . 1.3.122 ( International Phonetic Alphabet； IPA) 1.3.123 I (I-pass) 1.3.124 IPQF 1.3.125 I
