Complex Cepstrum Based Single Channel Speech Dereverberation

被引：5
|
作者：
Shen Xizhong [1 ]
Meng Guang [2 ]
机构：
[1] Shanghai Inst Technol, Mech & Elect Dept, Shanghai, Peoples R China
[2] Shanghai Jiao Tong Univ, Natl Key Lab Mech Syst & Vibrat, Shanghai 200030, Peoples R China
来源：
ICCSSE 2009: PROCEEDINGS OF 2009 4TH INTERNATIONAL CONFERENCE ON COMPUTER SCIENCE & EDUCATION | 2009年
关键词：
Dereverberation; Complex cepstrum; Room Impulse response; Speech; Segmentation;
D O I：
10.1109/ICCSE.2009.5228535
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
A new method of blind dereverberation of single channel is proposed to solve the existing problem about the study of speech signal. Firstly, segmentation of speech signal with variant length is proposed on the sampled speech signal to obtain relatively accurate estimation of the subsequent cepstrum, and the complex cepstrum is applied to the valid segments. Then, the pre-estimation of the room impulse response is obtained, and so is the inverse-filter solution. Finally, single channel blind deconvolution is used by taking the inverse-filter as the initial parameter of the algorithm. Simulations and experiments demonstrate its validity and robusty.
引用
收藏
页码：7 / +
页数：2
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