DocumentCode
2199461
Title
Speech Denoising Based on Improved Discrete Wavelet Packet Decomposition
Author
Li, Suping
Author_Institution
Chaohu Univ., Chaohu, China
Volume
2
fYear
2011
fDate
14-15 May 2011
Firstpage
415
Lastpage
419
Abstract
The problem of speech denoising using wavelet packet decomposition algorithm is considered. For denoising, certain wavelet packet coefficients (frequency) are set to zero and the others are thresholded. We make a comparison of wavelet-packet coefficients algorithm and amended wavelet-packet frequency algorithm in the application of speech denoising. The amended wavelet-packet frequency algorithm is proposed and implemented that can further improve the performance of the denoising system.
Keywords
discrete wavelet transforms; signal denoising; speech processing; amended wavelet-packet frequency algorithm; discrete wavelet packet decomposition algorithm; speech denoising; wavelet-packet coefficient algorithm; Discrete wavelet transforms; Noise reduction; Speech; Wavelet analysis; Wavelet packets; discrete wavelet packet decomposition; speech denoising; wavelet frequency denoising; wavelet packet coefficients;
fLanguage
English
Publisher
ieee
Conference_Titel
Network Computing and Information Security (NCIS), 2011 International Conference on
Conference_Location
Guilin
Print_ISBN
978-1-61284-347-6
Type
conf
DOI
10.1109/NCIS.2011.182
Filename
5948865
Link To Document