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| Speech Enhancement with Generalized Sidelobe Canceller Based on a Coherence-based Filter for Small Microphone Arrays |
| Yang Li-chun①② Qian Yun-tao① |
①(College of Computer Science, Zhejiang University, Hangzhou 310027, China)
②(Intelligent Control Research Institute, Zhejiang Wanli University, Ningbo 315101, China) |
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Abstract In order to overcome the problem that the noise suppression ability of traditional small microphone arrays speech enhancement algorithm is limited, this paper proposes coherence spectral estimation based on the variable coefficients noise filter algorithm to suppress the reverberant interference, and then use the Generalized Sidelobe Canceler (GSC) which based on small microphone arrays canceller to suppress remaining noise and simulations and practical tests show that the proposed algorithm is superior to separate small array beamforming algorithms and coherence filter algorithm.
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Received: 11 May 2012
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Corresponding Authors:
Yang Li-chun
E-mail: lichun_y@126.com
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2012, Vol. 34 
