普通话
听力学
感知
混乱
言语感知
语音识别
听力损失
失真(音乐)
助听器
计算机科学
心理学
声学
医学
语言学
电信
带宽(计算)
哲学
物理
神经科学
放大器
精神分析
作者
Abhijit Sinha Roy,Ann R. Bradlow,Pamela E. Souza
出处
期刊:Journal of the Acoustical Society of America
[Acoustical Society of America]
日期:2024-06-01
卷期号:155 (6): 3957-3967
摘要
High-frequency speech information is susceptible to inaccurate perception in even mild to moderate forms of hearing loss. Some hearing aids employ frequency-lowering methods such as nonlinear frequency compression (NFC) to help hearing-impaired individuals access high-frequency speech information in more accessible lower-frequency regions. As such techniques cause significant spectral distortion, tests such as the S-Sh Confusion Test help optimize NFC settings to provide high-frequency audibility with the least distortion. Such tests have been traditionally based on speech contrasts pertinent to English. Here, the effects of NFC processing on fricative perception between English and Mandarin listeners are assessed. Small but significant differences in fricative discrimination were observed between the groups. The study demonstrates possible need for language-specific clinical fitting procedures for NFC.
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