In speech analysis, it ? ? s very important for the extraction of speech spectral envelope.

语音谱包络提取是语音分析中的重要内容.

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The pitch period and the spectral envelope of speech represent acoustical characteristics of the speech signal.

基音周期体现了发声过程肺部气流的周期性,而语音频谱包络是人的声道共振滤波特性在频域中的表现.

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