Speech enhancement using perceptually-constrained gain factors in critical-band-wavelet packet transform

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题名:	Speech enhancement using perceptually-constrained gain factors in critical-band-wavelet packet transform
作者:	陸清達;Lu, Ching-Ta
贡献者:	資訊傳播學系
关键词:	wavelet transforms;white noise;speech enhancement;Gaussian noise
日期:	2004-03
上传时间:	2012-11-26 07:16:56 (UTC+0)
摘要:	A closed-form solution of gain factor for wavelet coefficients in a subband is derived by constraining the residual noise to be lower than the noise masking threshold. Experimental results show that this approach can efficiently remove the corrupting noise without any empirical factor.
關聯:	ELECTRONICS LETTERS
显示于类别:	[資訊傳播學系] 期刊論文

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