MFCC parameters is main describes the spectrum envelope features, which is used to state the vacal track characterizatics, while ignoring the impact of pitch frequency.

MFCC参数主要描述了表征声道特性的谱包络特征，而忽略了基音频率对它的影响。

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MFCC can express speech spectrum more accurately at low frequency, so MFCC is a good method to express the spectral envelope in voice conversion;

MFCC可以更加准确地表示语音低频处的频谱包络，在语音转换中是一种很好的频谱包络表示方法；

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