N. D. Gaubitch, M. R. P. Thomas, and P. A. Naylor
Equalization of room transfer functions (RTFs) is important in many speech and audio processing applications. It is a challenging problem because RTFs are several thousand taps long and nonminimum phase and in practice only approximate measurements of the RTFs are available. In this paper, we present a subband multichannel least squares method for equalization of RTFs which is computationally efcient and less sensitive to inaccuracies in the measured RTFs compared to its fullband counterpart. Experimental results using simulated impulse responses demonstrate the performance of the algorithm.
In Proc. IEEE Workshop on Applications of Signal Processing to Audio and Acoustics
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