Estimation of delays and attenuations for underdetermined BSS in frequency domain

Authors:
Ronghua Li;Ming Xiao
Affiliations:
School of Electrics & Information Engineering, South China University of Technology, Guangzhou, Guangdong, China;School of Electrics & Information Engineering, South China University of Technology, Guangzhou, Guangdong, China
Venue:
ISNN'06 Proceedings of the Third international conference on Advances in Neural Networks - Volume Part I
Year:
2006

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Abstract

Underdetermined blind delayed source problem is studied in this paper. Firstly, on the basis of the searching-and-averaging-based method in frequency domain, the algorithm was extended to blind delay source model. Secondly, a new cost function for estimating the delay of observed signal was present; the delay was inferred in the single-signal intervals. Finally, the delayed sound experiments demonstrate its performance.