A combined approach of array processing and independent component analysis for blind separation of acoustic signals

Authors:
F. Asano;S. Ikeda;M. Ogawa;H. Asoh;N. Kitawaki
Affiliations:
Electrotechnical Lab., Tokyo, Japan;-;-;-;-
Venue:
ICASSP '01 Proceedings of the Acoustics, Speech, and Signal Processing, 2001. on IEEE International Conference - Volume 05
Year:
2001

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Abstract

Two array signal processing techniques are combined with independent component analysis to enhance the performance of blind separation of acoustic signals in a reflective environment such as rooms. The first technique is the subspace method which reduces the effect of room reflection. The second technique is a method of solving the permutation, in which the coherency of the mixing matrix in adjacent frequencies is utilized.