一种基于EMD技术的语音信号去噪算法

JOURNAL OF HARBIN UNIVERSITY OF COMMERCE(NATURAL SCIENCES EDITION)(2005)

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Abstract
分析了基于经验模态分解(EMD)方法的含噪语音信号尺度滤波特性,并根据清音和浊音的不同特点,应用软门限方法对以宽带随机噪声为背景的语音信号IMF分量作门限处理,提出了一种基于EMD的语音信号噪声处理的算法.计算机实验仿真结果表明,该算法具有较好的语音去噪效果和较小的语音失真性能.
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Key words
speech signal denoising algorithm,emd
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