频率微扰商是表示连续元音发声时声带振动相邻周期间的微细变动量； 发声效率反映平均气流率与声能的有效转换率。

PP indicates the amount of irregular vibration of vocal folds and I/F represents efficient transition from MFR to acoustic energy.

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数值试验表明，这种方法抗噪声能力强，分辨率高，很适合于有限观测数据并且含有噪声的数据成像。

Numerical tests show this method is powerful in resistance to noise and is of high resolution, therefor suits to image finite and noisy data.

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直达声与混响声能比影响辅音清晰度损失率，从而影响语言清晰度。

The speech articulation is affected by the articulation loss of consonants which is impacted by the acoustic ratio of direct and reverberation sound.

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