在听力受损的听众中对滑动波纹光谱的听觉敏感性
Dmitry Nechaev1, Olga Milekhina1, Marina Tomozova1
1A.N. Severtsov Institute of Ecology and Evolution, 119071 Moscow, Russia.
Audiology research
|November 25, 2024
概括
听力受损的听众对频率滑动波纹的灵敏度有所降低. 这表明,听力损失的时间分辨率较差限制了对动态光谱变化的感知.
科学领域:
- 听觉感知是一种听觉感知.
- 精神声学是一种精神声学.
- 听力科学 听力科学
背景情况:
- 波动频谱信号包含动态频率调制.
- 感知这些光谱变化对于理解语音至关重要.
- 听力障碍可能会影响这种动态听觉信息的处理.
研究的目的:
- 测量波纹频谱信号中滑动波纹的灵敏度.
- 为了比较正常听力和听力受损的听众.
- 研究听力损失对动态光谱感知的影响.
主要方法:
- 听众将滑动波纹信号与非波纹信号区分开来.
- 信号具有与频率成比例的波纹密度和速度.
- 刺激是以2kHz为中心的2个八度宽的波纹噪声.
主要成果:
- 增加的波纹密度降低了最大可检测的滑翔速度.
- 听力受损的听众显示波浪滑翔的速度限制较低.
- 随着听力损失,观察到速度极限的显著下降.
结论:
- 听力受损的听众的时间分辨率下降解释了灵敏度的降低.
- 听力损失影响感知动态光谱变化的能力.
- 研究结果强调了听力障碍者在复杂的听觉环境中所面临的挑战.
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