Power spectral density error analysis of spectral subtraction type of speech enhancement methods

被引：3
|
作者：
Haendel, Peter [1 ]
机构：
[1] Royal Inst Technol, Sch Elect Engn, Signal Proc Lab, SE-10044 Stockholm, Sweden
来源：
EURASIP JOURNAL ON ADVANCES IN SIGNAL PROCESSING | 2007年 / 2007卷 / 1期
关键词：
D O I：
10.1155/2007/96384
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A theoretical framework for analysis of speech enhancement algorithms is introduced for performance assessment of spectral subtraction type of methods. The quality of the enhanced speech is related to physical quantities of the speech and noise (such as stationarity time and spectral flatness), as well as to design variables of the noise suppressor. The derived theoretical results are compared with the outcome of subjective listening tests as well as successful design strategies, performed by independent research groups.
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页数：9
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