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Subband-based adaptive decorrelation filtering for co-channel speech separation

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3 Author(s)
Huang, J. ; Latitude Commun., Santa Clara, CA, USA ; Yen, Kuan-Chieh ; Yunxin Zhao

A subband-based adaptive decorrelation filtering algorithm (SBADF) is proposed for co-channel speech separation. The SBADF decomposes the input signals into several frequency subbands, and uses the adaptive decorrelation filtering algorithm (ADF) to process the signals in each subband independently. The processed subband signals are then combined for each channel to form the separated speech. Experimental results show that while the fullband ADF can achieve better separation performance after reaching convergence, the SBADF has the advantage of improved convergence rate and reduced computational complexity by a factor of approximately two

Published in:

Speech and Audio Processing, IEEE Transactions on  (Volume:8 ,  Issue: 4 )

Date of Publication:

Jul 2000

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