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。(MFCC, Mel frequency cepstrum coefficient abbreviation. The frequency of Mel is based on the auditory characteristics of human ear. It is nonlinear corresponding to Hz frequency. Mel frequency cepstrum coefficients (MFCC) utilize the relationship between them to calculate the frequency spectrum characteristics of Hz. MFCC has been widely used in the field of speech recognition.)