Resynthesis of Transmasculine Voices to Assess Gender Perception as a Function of Testosterone Therapy.
Resynthesis of Transmasculine Voices to Assess Gender Perception as a Function of Testosterone Therapy.
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DOI：
10.1044/2022_jslhr-21-00482
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发表时间：
2022-06
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影响因子：
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通讯作者：
Matti D. Groll;Kimberly L. Dahl;M. D. Cádiz;Brett Welch;Lauren F. Tracy;C. Stepp
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作者：
Matti D. Groll;Kimberly L. Dahl;M. D. Cádiz;Brett Welch;Lauren F. Tracy;C. Stepp
目的本研究的目的是通过语音再合成研究外源性睾酮替代治疗(HRT)开始后，个体声学特征的改变对跨男性嗓音样本基于语音的性别知觉的影响。我们假设平均基频(F O)对任何单一声学特征的性别知觉的影响最大。方法计算3对跨男性语音样本在HRT开始前后的平均f o、f o轮廓和共振峰频率。从每对语音样本中重新合成具有这些声学特征的唯一组合的16个语音样本。20名年轻的成年听众对每个合成的语音样本进行了性别感知和综合质量的评估。使用两个方差分析来考察声学特征对性别知觉和综合质量的影响。结果在三个声学特征中，平均f_o是唯一对性别知觉有显著影响的单一特征。HRT开始前后的语音样本之间的差异没有被f o和共振峰频率的变化所捕捉到，这些差异也在统计上对性别认知产生了显著影响。结论在这些变性人的嗓音样本中，平均f_o是HRT导致的声音男性化的最重要的声学特征；未来有必要对更多的变男人者进行研究，并结合HRT对基于行为疗法的改变的影响进行研究。
PURPOSE The goal of this study was to use speech resynthesis to investigate the effects of changes to individual acoustic features on speech-based gender perception of transmasculine voice samples following the onset of hormone replacement therapy (HRT) with exogenous testosterone. We hypothesized that mean fundamental frequency (f o) would have the largest effect on gender perception of any single acoustic feature. METHOD Mean f o, f o contour, and formant frequencies were calculated for three pairs of transmasculine speech samples before and after HRT onset. Sixteen speech samples with unique combinations of these acoustic features from each pair of speech samples were resynthesized. Twenty young adult listeners evaluated each synthesized speech sample for gender perception and synthetic quality. Two analyses of variance were used to investigate the effects of acoustic features on gender perception and synthetic quality. RESULTS Of the three acoustic features, mean f o was the only single feature that had a statistically significant effect on gender perception. Differences between the speech samples before and after HRT onset that were not captured by changes in f o and formant frequencies also had a statistically significant effect on gender perception. CONCLUSION In these transmasculine voice samples, mean f o was the most important acoustic feature for voice masculinization as a result of HRT; future investigations in a larger number of transmasculine speakers and on the effects of behavioral therapy-based changes in concert with HRT is warranted.