方言和性别感知与低通道和高通道过自发言语的可理解性相关)
Ewa Jacewicz1, Robert A Fox1, Christopher E Holt1
1Department of Speech and Hearing Science, The Ohio State University, 1070 Carmack Road, Columbus, Ohio 43210, USA.
The Journal of the Acoustical Society of America
|September 13, 2023
概括
扬声器的性别线索在广泛的频率范围内被保留,无论语音可理解性如何. 方言线索也存在,但主要依赖于可理解的语言,对男性和女性发言者有不同的优势.
科学领域:
- 语音感知 语音感知
- 声学语音学的声音学.
- 精神声学是一种精神声学.
背景情况:
- 语音可理解性依赖于特定的频率范围,通常低于4kHz.
- 在这个范围之外,扬声器特定线索 (索引信息) 的存在和分布仍在调查中.
- 了解声学特征如何在不同频段对说话者进行识别,对于语音处理至关重要.
研究的目的:
- 调查方言和性别线索在语言中的感知突出性.
- 为了确定与演讲者相关的信息是否以可理解和不可理解的语言提供.
- 分析扬声器特征在典型可理解范围内外的频率上的分布.
主要方法:
- 利用低通和高通过对40位演讲者的400个独特发言.
- 采用的频率切断范围为0.7至5.56kHz,用于高通过和0.5至1.1kHz用于低通过.
- 应用信号检测理论来分析听众对方言和性别的识别,以及可理解性评估.
主要成果:
- 性别线索在低频和高频之间得到了强有力的保存,独立于语音可理解性.
- 发现在更高频率的性别线索的冗余性可以减少响应偏差.
- 方言线索在低频和高频两种频率中都很突出,但主要是在可理解的语音中,显示男性和女性发言者的不同可理解性优势.
结论:
- 发言者的性别信息可以在广泛的语音频率范围内获取,即使在不可理解的部分.
- 方言感知更多地依赖于语音可理解性,在说话者的性别和频率之间存在复杂的相互作用.
- 这些发现凸显了声信号中与扬声器相关的线索的分布性.
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