A speech analysis based on a model of the human ear exploiting the outer and middle ear filtering and masking properties of the cochlea

被引：0
|
作者：
Ouni, K [1 ]
Ellouze, N [1 ]
机构：
[1] Natl Engn Sch Tunis, Lab Syst & Signal Proc, Tunis, Tunisia
来源：
ANALYSIS OF BIOMEDICAL SIGNALS AND IMAGES, PROCEEDINGS | 2002年
关键词：
D O I：
暂无
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
A time-frequency analysis of speech signal is presented in this paper. This analysis is based essentially on the masking phenomena and psychoacoustic characteristics of the auditory system. A four stages model is used to simulate the outer and middle ear filtering, the spectral behaviour of the cochlea by a Gammachirp filterbank and the time domain processing of the auditory system. A spectrographic representation is finally given as an auditory image which will be transmitted to the brain.
引用
收藏
页码：117 / 119
页数：3
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