在非母语听众的光谱时刻降解语音中进行合焦点解释
Marita K Everhardt1,2,3, Anastasios Sarampalis3,4, Matt Coler3,5
1Center for Language and Cognition Groningen, University of Groningen, the Netherlands.
Journal of speech, language, and hearing research : JSLHR
|August 24, 2023
概括
耳植入物 (CI) 带来的光谱时光退化并没有增加非母语英语的人的听力努力,尽管prosodic焦点解释的准确性下降. 非本地听众并不比本地听众更受影响.
科学领域:
- 听觉神经科学 听觉神经科学
- 语音感知 语音感知
- 语言学的语言学.
背景情况:
- 耳植入物 (CI) 处理可以降低语音信号,可能会影响听觉感知.
- 以前的研究表明,CI处理和非母语接触对语音感知产生负面影响,并增加倾听力度.
- 在prosodic焦点解释中,CI诱导的退化和倾听力之间的相互作用仍然未被充分探索.
研究的目的:
- 为了研究CI模拟的光谱时间退化对非本地听众解释prosodic焦点的能力的影响.
- 评估CI模拟如何影响非母语语音理解的感知准确度和倾听力度.
- 为了确定非本地听众是否比本地听众更容易受到语音信号退化的影响.
主要方法:
- 一个在线实验,涉及正常听觉的荷兰人学习英语和母语英语的人.
- 参与者通过CI模拟 (噪声带声编码) 和非CI模拟语音听取英语句子.
- 通过识别正确的上下文问题来测量感知准确性,并使用自由回忆的双任务范式来评估听力努力.
主要成果:
- 与非CI模拟条件相比,在CI模拟条件下,prosodic焦点解释的准确性明显较低.
- 在CI模拟条件下,听力努力并没有显著增加.
- 在CI模拟语音和听众群体之间,没有发现关于感知准确度或倾听力度的显著相互作用.
结论:
- 来自CI模拟的光谱时间退化不一定会增加非本地听众的听力.
- 非母语听众的代焦点解释准确性因CI模拟的语音退化而降低.
- 与本地听众相比,非本地听众不受CI诱导的光谱时间退化的影响不成比例.
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