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	FDM array-based dual channel speech enhancement method
	Cui Weiwei ; Cao Zhigang ; Su Yongtao
	2010-10-12 ; 2010-10-12
关键词	Practical/ computational complexity interference suppression microphone arrays speech enhancement/ dual channel speech enhancement method first-order differential microphone array directional noise suppression single-channel spectral enhancement techniques noise spectrum signal-to-noise ratio gain computational complexity gain 2 dB to 6 dB/ B6450 Audio equipment and systems B6130 Speech and audio signal processing B5230 Electromagnetic compatibility and interference/ gain 2.0E+00 to 6.0E+00 dB
中文摘要	To suppress the directional noise in miniaturized speech communication devices, a dual-channel speech enhancement method was developed. A first-order differential microphone (FDM) array was used, together with , single-channel spectral enhancement techniques to simultaneously obtain estimates of the speech and the noise simultaneously, and correct the noise spectrum in real-time. This method achieves a 2 - 6 dB output signal-to-noise ratio gain compared with existing dual-channel speech enhancement techniques, with 2/3 computational complexity saved. Simulations show that the techniques effectively improves the noise reduction performance of the algorithm and is more suitable for real-time speech enhancement systems.
语种	中文
出版者	Tsinghua University Press ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/82360]
专题	清华大学
推荐引用方式 GB/T 7714	Cui Weiwei,Cao Zhigang,Su Yongtao. FDM array-based dual channel speech enhancement method[J],2010, 2010.
APA	Cui Weiwei,Cao Zhigang,&Su Yongtao.(2010).FDM array-based dual channel speech enhancement method..
MLA	Cui Weiwei,et al."FDM array-based dual channel speech enhancement method".(2010).

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