背景噪音阻碍了听众使用语境线索来解决缺关节性言语障碍
Katerina A Tetzloff1, Sarah E Yoho2,3, Eric W Healy2
1Department of Linguistics, Stony Brook University, Stony Brook, New York 11794, USA.
JASA express letters
|February 2, 2026
概括
听众使用上下文来理解语音,但噪音显著阻碍了这种能力,特别是对于言语障碍的人来说. 这影响了沟通,特别是与并发的语音和噪音退化.
科学领域:
- 语音感知研究 语音感知研究
- 听觉神经科学 听觉神经科学
- 通信科学 通信科学
背景情况:
- 语境线索对于语音感知至关重要,特别是在听觉信号退化的情况下.
- 语音障碍和背景噪音对清晰的沟通构成重大挑战.
研究的目的:
- 研究不同类型的信号降解如何影响语音感知中的上下文可预测性.
- 为了比较听众对语义上下文的依赖,在单一和并发语音退化条件下.
主要方法:
- 评估了两个听众组 (每组n=50).
- 疾病包括:发动性关节障碍发言,带有噪音的神经类型发言和带有噪音的发动性关节障碍发言.
- 听众对语义上下文的依赖性在各种条件中被测量.
主要成果:
- 听众使用语义上类似的语境在安静和神经类型的声音在噪音中的失节性语音.
- 同时的退化 (失节性语音与噪音) 显著降低了从上下文信息中获得的好处.
- 背景噪音加剧了理解脱节性发言的挑战.
结论:
- 语音感知中的上下文线索的有效性是由信号降解的类型和组合调节的.
- 背景噪音给人带来了相当大的沟通负担,特别是对于言语障碍症患者来说.
- 了解这些相互作用对于开发有效的沟通策略和辅助技术至关重要.
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