A new speech enhancement algorithm using wavelet packet transform

被引：0
|
作者：
Guo, Jichang [1 ]
Wang, Wenliang [1 ]
机构：
[1] Tianjin Univ, Sch Elect Informat Engn, Tianjin 300072, Peoples R China
来源：
PROCEEDINGS OF THE INTERNATIONAL CONFERENCE INFORMATION COMPUTING AND AUTOMATION, VOLS 1-3 | 2008年
关键词：
speech enhancement; threshold; wavelet packet; SNR;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A new algorithm for speech enhancement based on wavelet shrinkage method is presented in this paper. First, the noisy speech by the Bark-scaled Wavelet Packet (BS-WPD) is decomposed to simulate the human auditory characteristics. Then a new thresholding algorithm which has many advantages over soft and hard thresholdings put forward by D.L. Donoho and I.M. Johnstone is proposed. Simulation results indicate that this new method is very useful and efficient in the process of white noise reduction from speech, and the new thresholding algorithm gives better SNR improvement than other traditional thresholding algorithms.
引用
收藏
页码：504 / 506
页数：3
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