G.729音频压缩传输协议(IP电话)CODING OF SPEECH AT 8 kbit/s USING CONJUGATE-STRUCTUREALGEBRAIC-CODE-EXCITED LINEAR-PREDICTION (CS-ACELP)This Recommendation contains the descr iption of an algorithm for the coding of speech si gnals at 8 kbit/s usingConjugate-St
ITU-T G.729 Source code ITU-T G.729 Annex B ANSI-C Source Code Version 1.4 Last modified: November, 2000 */ TITLE ----- Fixed-point descr iption of Recommendation G.729 with ANNEX B Coding of Speech at 8 kbit/s using Conjugate-Structure Algebraic-Co
Based on the renowned Code Excited Linear Prediction (CELP) coding model, the G.729 speech compression standard delivers toll-quality speech, similar in quality to 32-kbps ADPCM but at one-quarter the bit rate. With the low rate of 8 kbps, G.729 is