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

语音识别，语音特征提取。 语音识别，语音特征提取-Speech recognition, speech feature extraction. Speech recognition, speech feature extraction

MFCC已经广泛地应用在语音识别领域。由于Mel频率与Hz频率之间非线性的对应关系，使得MFCC随着频率的提高，其计算精度随之下降。因此，在应用中常常只使用低频MFCC，而丢弃中高频MFCC。这个程序是求MFCC 的-MFCC has been widely used in speech recognition. Mel frequency Hz as a nonlinear correspondence relationship between the frequency, such as t