G.729是ITU-T 定義的音頻編碼演算法,frame 只有10ms,G.729点到点的时延为25ms,G.729基於CELP模式,用CS-ACELP(Conjugate-Structure Algebraic Code Excited Linear Prediction)方法以8Kbps的波特率對語音進行編碼。
G.729 幾乎都使用於 Voice over IP(VoIP),G.711編解碼器可將VoIP壓縮至 65Kb/s,使之可以在區域網上傳輸。
外部链接
- [http://www.itu.int/rec/recommendation.asp?type=folders&lang=e&parent=T-REC-G.729 ITU-T G.729 page]
- [https://web.archive.org/web/20081030043328/http://www.cs.columbia.edu/techreports/cucs-016-01.pdf#search=%22g.729%20error%20recovery%20for%20internet%20telephony%22 G.729 Error Recovery for Internet Telephony]
- [http://www.itu.int/ITU-T/dbase/patent/index.html ITU Patent database]
- [http://www.sipro.com/ Sipro administers the patent pool for G.723.1 and G.729]
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