给出了耳语和正常音残差信号的图，从图中可以看出正常语音比耳语有更多的谐波。谐波可以表示耳语和正常音的激励差异。-Whisper is given and the normal residual signal, can be seen from the diagram normal harmonic voice has more than a whisper. Harmonic can represent a whisper and normal sound incentive differenc