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ICASSP
2008
IEEE

Dual-microphone speech dereverberation using GARCH modeling

10 years 6 months ago
Dual-microphone speech dereverberation using GARCH modeling
In this paper, we develop a dual-microphone speech dereverberation algorithm for noisy environments, which is aimed at suppressing late reverberation and background noise. The spectral variance of the late reverberation is obtained with adaptively-estimated direct path compensation. A Markov-switching generalized autoregressive conditional heteroscedasticity (GARCH) model is used to estimate the spectral variance of the desired signal, which includes the direct sound and early reverberation. Experimental results demonstrate the advantage of the proposed algorithm compared to a decisiondirected-based algorithm.
Ari Abramson, Emanuel A. P. Habets, Sharon Gannot,
Added 30 May 2010
Updated 30 May 2010
Type Conference
Year 2008
Where ICASSP
Authors Ari Abramson, Emanuel A. P. Habets, Sharon Gannot, Israel Cohen
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