hfcc: human frequency cepstral coefficient for speech recognition front end

Human Factor Cepstral Coefficients speech feature front end for automatic speech recognition.

mfcc特征提取， dtw匹配，老外写的，值得学习。- feature extraction, including MFCC and HFCC features, widely used in speech recognition * a simple DTW (dynamic time warping) pattern matching algorithm which also can be used for