| 单通道RLS算法自适应噪声消除及其遗忘因子的确定 |
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| 引用本文： | 李素芳,李颖,闫智义.单通道RLS算法自适应噪声消除及其遗忘因子的确定[J].吉林工学院学报,2007,28(2):224-228. |
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| 作者姓名： | 李素芳 李颖 闫智义 |
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| 作者单位： | 长春工业大学计算机科学与工程学院 吉林长春130012 |
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| 摘 要： | 利用RLS算法实现了单通道的自适应噪声消除,并且根据语音信号短时平稳的性质,提出了针对语音信号噪声消除计算RLS算法遗忘因子的方法。实验证明,基于该遗忘因子的RLS算法单通道自适应滤波器能够达到较好的语音降噪效果。
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| 关 键 词： | RLS算法 单通道 自适应滤波器 噪声消除 遗忘因子 |
| 文章编号： | 1006-2939（2007）02-0224-05 |
| 收稿时间： | 2006-07-18 |
| 修稿时间： | 2006-07-18 |
Self-adaptive noise elimination with single channel RLS algorithm and the determination of the forgotten factor |
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| LI Su-fang,LI Ying,YAN Zhi-yi.Self-adaptive noise elimination with single channel RLS algorithm and the determination of the forgotten factor[J].Journal of Jilin Institute of Technology,2007,28(2):224-228. |
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| Authors: | LI Su-fang LI Ying YAN Zhi-yi |
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| Abstract: | The single channel self-adaptive noise elimination is realized with RLS algorithm.According to stable property of speech signal in a short-time,the forgotten factor of RLS algorithm can be fixed to reduce the noise in the speech signal.The experiments showed that the algorithm is feasible. |
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| Keywords: | RLS algorithm single-channel adaptive filter noise reduction forgotten factor |
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