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首页> 外文期刊>The Journal of the Acoustical Society of America >Effects on the glottal voice source of vocal loudness variation in untrained female and male voices
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Effects on the glottal voice source of vocal loudness variation in untrained female and male voices

机译：未经训练的男女声音对声响变化的声门声源的影响

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摘要

Subglottal pressure is one of the main voice control factors, controlling vocal loudness. In this investigation the effects of subglottal pressure variation on the voice source in untrained female and male voices phonating at a low, a middle, and a high fundamental frequency are analyzed. The subjects produced a series of /pae/ syllables at varied degrees of vocal loudness, attempting to keep pitch constant. Subglottal pressure was estimated from the oral pressure during the /p/ occlusion. Ten subglottal pressure values, approximately equidistantly spaced within the pressure range used, were identified, and the voice source of the vowels following these pressure values was analyzed by inverse filtering the airflow signal as captured by a Rothenberg mask. The maximum flow declination rate (MFDR) was found to increase linearly with subglottal pressure, but a given subglottal pressure produced lower values for female than for male voices. The closed quotient increased quickly with subglottal pressure at low pressures and slowly at high pressures, such that the relationship can be approximated by a power function. For a given subglottal pressure value, female voices reached lower values of closed quotient than male voices. (C) 2005 Acoustical Society of America.
机译：声门下压力是控制声音响度的主要语音控制因素之一。在这项研究中，分析了在低，中和高基频上发声的未经训练的女性和男性语音中声门下压力变化对语音源的影响。受试者以不同程度的声音响度产生了一系列/ pae /音节，试图保持音高恒定。从/ p /闭塞期间的口腔压力估计声门下压力。确定了十个声门下的压力值，大约在所用压力范围内等距分布，并通过对Rothenberg面罩捕获的气流信号进行逆滤波来分析这些压力值后的元音语音源。发现最大流量偏斜率（MFDR）随着声门下压力线性增加，但是给定声门下压力产生的女性声压值低于男性声压值。封闭商在低压下随着声门下压力而迅速增加，而在高压下则缓慢地增长，从而可以通过幂函数来近似该关系。对于给定的声门下压力值，女性声音达到的封闭商值低于男性声音。 （C）2005年美国声学学会。

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