Measuring the acoustic effects of compression amplification on speech in noise (L)

被引：58
|
作者：
Souza, PE [1 ]
Jenstad, LM [1 ]
Boike, KT [1 ]
机构：
[1] Univ Washington, Dept Speech & Hearing Sci, Seattle, WA 98105 USA
来源：
JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA | 2006年 / 119卷 / 01期
关键词：
D O I：
10.1121/1.2108861
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
This letter contains a description of an inversion technique that allows for separation of speech and noise and its application to quantifying the acoustic effects of wide-dynamic-range compression (WDRC) on speech in background noise. Three main findings are reported: that fast-acting WDRC further degrades signal-to-noise ratio; that the effective compression ratio is lower for speech in noise than speech in quiet; and that in contrast to speech in quiet, the amplitude envelope of speech is mostly unaffected when compressed in background noise. (c) 2006 Acoustical Society of America.
引用
收藏
页码：41 / 44
页数：4
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