语音识别中，计算语音信号的MFCC系数的代码，要求输入的语音信号为.PCM格式-Speech recognition, speech signal MFCC coefficients calculated the code, requiring the input voice signal. PCM format

通过求取均值来得到的语音压缩源代码，希望对语音的同学有所帮助-this is the source code of Voice Compression , it is wise to help students who learn Speech Recognition