在波斯语中,无声摩擦词在扬声器之间和扬声器内部的变化
Homa Asadi1, Batool Alinezhad1, Volker Dellwo2
1Department of Linguistics, University of Isfahan, Azadi Square, University Street, Isfahan 81746-73441, Iran.
The Journal of the Acoustical Society of America
|December 1, 2025
概括
对波斯摩擦的声学分析显示,像重心这样的光谱时刻最好区分扬声器. 扬声器识别的最佳特征因性别和语音上下文而异,对于法医应用至关重要.
科学领域:
- 语音学和声学 语音学和声学
- 语音科学 语言科学
- 法医语言学 法医语言学
背景情况:
- 扬声器在摩擦的变化受到音声和非音声因素的影响.
- 了解无声摩擦音 (/f/, /s/, /ʃ/, /x/) 的声学差异是识别说话者的关键.
- 语言环境,如音节位置和压力,可以影响声学变化.
研究的目的:
- 调查波斯语无声摩擦的发言者之间的和发言者内部的变化.
- 确定语言因素 (音节位置,词汇压力) 如何影响这种变化.
- 为了识别在波斯语中对扬声器差异化最有效的声学特征.
主要方法:
- 在两个会议中录制了24名波斯语说话者 (性别平衡).
- 进行了无声摩擦音 (/f/, /s/, /ʃ/, /x/) 的声学分析.
- 测量的光谱时刻 (重心,标准偏差,斜率,曲率) 和持续时间.
主要成果:
- 重心显示了扬声器之间的最高变化,其次是标准偏差,斜度,持续时间和曲率.
- 鼓膜摩擦音 /s/表现出最具音箱特异性,其次是 /ʃ/, /f/ 和 /x/.
- 男性和女性发言者之间,发言者特定的声学模式有所不同,音节初始位置显示出更大的特异性.
结论:
- 扬声器识别的声学特征因个人,性别和语音上下文而异.
- 音节位置显著影响说话者的特异性,而词汇压力则没有.
- 这些发现强调了在法医语音比较中需要自适应算法,这是由于跨语言和人口特异性的差异.
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