Open Access

Speech Enhancement by Multichannel Crosstalk Resistant ANC and Improved Spectrum Subtraction

EURASIP Journal on Advances in Signal Processing20062006:061214

https://doi.org/10.1155/ASP/2006/61214

Received: 31 December 2005

Accepted: 13 August 2006

Published: 29 October 2006

Abstract

A scheme combining multichannel crosstalk resistant adaptive noise cancellation (MCRANC) algorithm and improved spectrum subtraction (ISS) algorithm is presented to enhance noise carrying speech signals. The scheme would permit locating the microphones in close proximity by virtue of using MCRANC which has the capability of removing the crosstalk effect. MCRANC would also permit canceling out nonstationary noise and making the residual noise more stationary for further treatment by ISS algorithm. Experimental results have indicated that this scheme outperforms many commonly used techniques in the sense of SNR improvement and music effect reduction which is an inevitable byproduct of the spectrum subtraction algorithm.

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Authors’ Affiliations

(1)
Department of Electrical and Computer Engineering, The University of Auckland

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Copyright

© Zeng and Abdulla. 2006