Speech and music quality ratings for linear and nonlinear hearing aid circuitry

被引:29
作者
Davies-Venn, Evelyn [1 ]
Souza, Pamela [1 ]
Fabry, David [2 ]
机构
[1] Univ Washington, Dept Speech & Hearing Sci, Seattle, WA 98105 USA
[2] Phonak Inc, Warrenville, IL USA
关键词
hearing aids; peak clipping; compression; speech recognition; HINT; quality;
D O I
10.3766/jaaa.18.8.6
中图分类号
R36 [病理学]; R76 [耳鼻咽喉科学];
学科分类号
100104 ; 100213 ;
摘要
This study evaluated quality ratings for speech and music stimuli processed using peak clipping (PC), compression limiting (CL), and wide-dynamic range compression (WDRC) hearing aid circuitry. Eighteen listeners with mild-to-moderate hearing loss were binaurally fitted with behind-the-ear (BTE) hearing aids and instructed to rate the quality of speech under various conditions in quiet and noise and two genres of music. Results for speech revealed a slight preference for WDRC at 80 dB SPL, and equivalent ratings for the three circuits under all other listening conditions. Music ratings revealed a marginally significant preference for WDRC and a preference for classical over popular music. For music, judgments on pleasantness were the most influential on overall circuit preference.
引用
收藏
页码:688 / 699
页数:12
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