基本频率和声道共振对在噪音中的句子识别的影响
Jing Yang1, Xianhui Wang2,3, Victoria Costa2
1Communication Sciences & Disorders Program, University of Wisconsin-Milwaukee.
概括
男声和女声的基本频率 (F0) 和声道共振 (VTR) 等匹配的声音特性导致在噪音中识别类似的语音. 不匹配的F0和VTR可以在噪音条件下降低可理解性.
科学领域:
- 声学语音学的声音学
- 语音感知 语音感知
- 精神声学是一种精神声学.
背景情况:
- 在噪音中识别语音对于有效的沟通至关重要.
- 说话者的声学特性,包括基本频率 (F0) 和声道共振 (VTR),影响语音感知.
- 了解这些属性的操纵如何影响噪声的可理解性对于各种应用非常重要,包括助听器开发和语音合成.
研究的目的:
- 调查与性别相关的声学特性 (F0和VTR) 改变对噪音中的语音识别的影响.
- 要确定匹配或不匹配的F0和VTR是否会对语音可理解性产生不同的影响.
主要方法:
- 听力在噪音测试的句子被修改为创建四个条件:低F0/低VTR,低F0/高VTR,高F0/高VTR和高F0/低VTR.
- 42名正常听觉的成年人听到这些句子,这些句子以各种信号噪音比率呈现出语音形状的噪音.
- 测量了语音接收值 (SRT) 和语音识别性能.
主要成果:
- 在具有匹配F0和VTR (高F0/高VTR与低F0/低VTR) 的条件之间,没有发现语音识别或SRT的显著差异.
- 语音识别性能下降,SRT在不匹配F0和VTR (高F0/低VTR和低F0/高VTR) 的条件下显着更高.
结论:
- 配合F0和VTR的男性和女性声音在噪音中提供相当的语音识别.
- 声音中不匹配的F0和VTR可能会在杂的环境中损害听力.
- 声学属性匹配对于保持语音清晰度至关重要,特别是在具有挑战性的听力条件下.
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