TY - GEN
T1 - A multichannel time-domain subspace approach exploiting multiple time-delays for acoustic channel equalization
AU - Rashobh, Rajan S.
AU - Khong, Andy W.H.
PY - 2013/10/18
Y1 - 2013/10/18
N2 - It is well-known that the performance of acoustic multichannel equalization (MCEQ) algorithms depend on the modeling delay that has to be pre-defined. In this work, we propose a MCEQ algorithm which achieves full equalization of acoustic room impulse responses in the presence of blind-system identification error. We achieve the above by modeling the inverse filters using multiple delays via columns of the identity matrix which serve as basis vectors for this time-domain sub-space approach. We further show that the proposed algorithm allows one to determine an optimal set of inverse filters corresponding to an appropriate modeling delay.
AB - It is well-known that the performance of acoustic multichannel equalization (MCEQ) algorithms depend on the modeling delay that has to be pre-defined. In this work, we propose a MCEQ algorithm which achieves full equalization of acoustic room impulse responses in the presence of blind-system identification error. We achieve the above by modeling the inverse filters using multiple delays via columns of the identity matrix which serve as basis vectors for this time-domain sub-space approach. We further show that the proposed algorithm allows one to determine an optimal set of inverse filters corresponding to an appropriate modeling delay.
KW - acoustic impulse responses
KW - dereverberation
KW - Multichannel equalization
UR - http://www.scopus.com/inward/record.url?scp=84890542625&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84890542625&partnerID=8YFLogxK
U2 - 10.1109/ICASSP.2013.6637681
DO - 10.1109/ICASSP.2013.6637681
M3 - Conference contribution
AN - SCOPUS:84890542625
SN - 9781479903566
T3 - ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings
SP - 418
EP - 422
BT - 2013 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2013 - Proceedings
T2 - 2013 38th IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2013
Y2 - 26 May 2013 through 31 May 2013
ER -