In speech analysis, it's very important for the extraction of speech spectralenvelope.
语音谱包络提取是语音分析中的重要内容。
2
MFCC can express speech spectrum more accurately at low frequency, so MFCC is a good method to express the spectralenvelope 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；
3
In this paper, based on LPC analysis, a method for calculating the spectrum converted system unit impulse function is proposed so as to convert the spectralenvelope efficiently.