| 基于扩展谱减法的语音增强算法及实现 |
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| 引用本文： | 李媛,铁勇,那顺乌力吉,李树华,王强. 基于扩展谱减法的语音增强算法及实现[J]. 内蒙古大学学报(自然科学版), 2008, 39(1): 97-101 |
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| 作者姓名： | 李媛 铁勇 那顺乌力吉 李树华 王强 |
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| 作者单位： | 内蒙古大学理工学院电子工程系,呼和浩特,010021;内蒙古大学理工学院电子工程系,呼和浩特,010021;内蒙古大学理工学院电子工程系,呼和浩特,010021;内蒙古大学理工学院电子工程系,呼和浩特,010021;内蒙古大学理工学院电子工程系,呼和浩特,010021 |
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| 基金项目： | 国家自然科学基金 , 内蒙古自然科学基金 |
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| 摘 要： | 结合漏水信号的特性,对基本谱减法进行改进.加入重叠帧,抑制部分音乐噪声.为了适合漏水信号无静寂帧的特点,引进了由谱减法和维纳滤波器相结合而构成的扩展谱减法,使得噪声估计可以时刻更新.经仿真验证,滤噪效果更好,适合用于对漏水信号的滤噪处理.
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| 关 键 词： | 音乐噪声 静寂帧 扩展谱减法 |
| 文章编号： | 1000-1638（2008）01-0097-05 |
| 收稿时间： | 2007-09-25 |
| 修稿时间： | 2007-09-25 |
Algorithm and Realization of Speech Enhancement Based on Extended Spectral Substraction |
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| LI Yuan,TIE Yong,Nashunwuliji,LI Shu-hua,WANG Qiang. Algorithm and Realization of Speech Enhancement Based on Extended Spectral Substraction[J]. Acta Scientiarum Naturalium Universitatis Neimongol, 2008, 39(1): 97-101 |
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| Authors: | LI Yuan TIE Yong Nashunwuliji LI Shu-hua WANG Qiang |
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| Abstract: | In order to improve basic spectral substraction,based on the characteristic of ieak water signal, the overlap frame is joined to reduce the influence of music noise, and the spectral substraction and wiener filter consisting of extended spectral substraction are used to suit the leak water signal which does not have silence frame. This causes the estimate of noise renewing frequently. Confirming after the emulation,the noise filtered with extended spectral substraction is better. It is suitable to the leak water signal of noise filtered processing. |
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| Keywords: | music noise silence frame extended spectral substraction |
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