在用助听器倾听时,言语的外部化
1Department of Speech, Language and Hearing Sciences, Boston University, Boston, MA 02215, USA.
Trends in hearing
|February 13, 2024
概括
助听器可能会对声音定位产生负面影响,使声音看起来更接近或被认为来自头部. 这种效应在特定的助听器风格中更为明显,特别是闭合圆顶和耳后麦克风.
科学领域:
- 听力学 听力学是指听力学.
- 精神声学是一种精神声学.
- 听力科学 听力科学
背景情况:
- 主观报告表明,助听器可以改变声音外部化和感知到的声音距离.
- 了解这些影响对于改善助听器用户体验和空间听觉感知至关重要.
研究的目的:
- 研究不同的助听器风格如何影响声音外部化和感知到的声音距离.
- 量化麦克风位置和圆顶类型对空间听觉感知的影响.
主要方法:
- 这项实验涉及年轻的正常或听力受损的成年人,他们配备了可调节的助听器.
- 参与者使用从-10 (在头部) 到10 (在扬声器上) 的等级来评价感知到的声音外部化.
- 变化包括耳后与耳内麦克风以及封闭式与开放式圆顶类型.
主要成果:
- 与无助听力相比,助听器通常会减少感知到的声音距离,并增加"在头部"的声音感知.
- 最显著的干扰发生在关闭的圆顶和耳后麦克风上.
- 声学数据表明,增加的低频水平和模两可的空间线索有助于外部化崩.
结论:
- 助听器的使用可能会破坏对声音源位置的自然感知.
- 特定的助听器配置 (闭顶,BTE麦克风) 加剧了这些听觉错觉.
- 对影响外部化的声学因素进行进一步的研究是有必要的,用于助听器设计.
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