Speech signal denoising method via wavelet transform

被引：0
|
作者：
Qi, ZY [1 ]
Mi, D [1 ]
Xie, GH [1 ]
机构：
[1] Ordnance Engn Coll, Shijiazhuang 050003, Peoples R China
来源：
ICEMI 2005: Conference Proceedings of the Seventh International Conference on Electronic Measurement & Instruments, Vol 6 | 2005年
关键词：
speech signal; wavelet transform; denoising;
D O I：
暂无
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：
In order to solve the interfering problem in the process of speech communication, this paper aims at the property of speech and noise, and then improve wavelet single threshold denoising method and put forward a novel speech enhancement method, which is named wavelet frequency band threshold denoising method based on multi-resolution analysis. By denoising a noisy speech with this method, the value of Signal to Noise Ratio (SNR) has greatly increased. And the value of its Root Square Mean Error (RSME) is small. Comparing with other denoising methods, the novel method is more solid and perfect.
引用
收藏
页码：322 / 324
页数：3
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