Indexed by:
Abstract:
传统的小波去噪算法是一种有效的去除白噪声的算法.为了能够去除多种有色噪声,本文提出了基于双正交小波包分解的自适应阈值语音增强方法.该方法能够自适应地跟踪噪声的水平,以此来更新所选阈值.同时采用动态阈值方法去除噪声,从而能有效地去除或降低多种有色噪声.实验结果表明.该方法由于能够在处理过程中保证相位不失真,从而性能优于基于正交小波分解的去噪方法.
Keyword:
Reprint Author's Address:
Email:
Source :
仪器仪表学报
ISSN: 0254-3087
Year: 2008
Issue: 10
Volume: 29
Page: 2135-2140
Cited Count:
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 30
Chinese Cited Count:
30 Days PV: 0
Affiliated Colleges: