matlab 代码 数字语音处理及matlab仿真

训练高斯混合模型的程序，尽管此类代码较多，但本程序经过笔者改写优化后，很大程度上避免了普通方法中局部最优的问题。-Gaussian mixture model training procedures, although the code more, but the procedure after the author rewrite optimization, largely avoiding the ordinary method of optimal local issues.

实现音频的source filter，里面用到rtp协议的东西。推荐-achieve audio source filter, which uses rtp agreement things. Suggest

gsm音频录制器 可以直接录制成gsm的格式 压缩比比较高-gsm audio recording device can record directly into a compressed format gsm Bibi higher

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G729实现源码。包括编解码功能，编码部分已在vs2005下编译通过。-G729 realize source. Includes codec functions, encoding part of the VS2005 compiler through.

itu ANSI-C Source codeG.729 annex GSOFTWARE-ITU ANSI-C source Code G.729 annex gSoftware.

基于ccs2(6000)开发环境,闻亭公司DM642开发板的实现语音采集与回放的例程.-Based on ccs2 (6000) development environment, Wintech Company DM642 development board realize the voice of the routine acquisition and playback.

mfcc, 语音信号梅尔倒谱系数提取。MFCC，Mel频率倒谱系数的缩写。Mel频率是基于人耳听觉特性提出来的，它与Hz频率成非线性对应关系。Mel频率倒谱系数(MFCC)则是利用它们之间的这种关系，计算得到的Hz频谱特征，MFCC已经广泛地应用在语音识别领域

audio KeyControl -audio KeyControl

调整音频采样率,一般可以将wav格式的各种采样率音频转换成8k采样的^_^-audio sampling rate adjustment, the general can be wav format of audio sampling rate conversion 8k sampling ^ _ ^