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Author:

李如玮 (李如玮.) | 鲍长春 (鲍长春.) | 窦慧晶 (窦慧晶.)

Indexed by:

CQVIP PKU CSCD

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:

自适应阈值 语音增强 小波变换

Author Community:

  • [ 1 ] [李如玮]北京工业大学
  • [ 2 ] [鲍长春]北京工业大学
  • [ 3 ] [窦慧晶]北京工业大学

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Source :

仪器仪表学报

ISSN: 0254-3087

Year: 2008

Issue: 10

Volume: 29

Page: 2135-2140

Cited Count:

WoS CC 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

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