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Author:

李如玮 (李如玮.) | 鲍长春 (鲍长春.) (Scholars:鲍长春) | 窦慧晶 (窦慧晶.)

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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包噪声,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:

小波变换 语音增强 自适应阈值

Author Community:

  • [ 1 ] 北京工业大学电子信息与控制工程学院语音与音频信号处理研究室

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Source :

仪器仪表学报

Year: 2008

Issue: 10

Page: 2135-2140

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 7

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