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Tieqiang Wang

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Single-channel Speech Dereverberation via Generative Adversarial Training

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Jun 25, 2018
Chenxing Li, Tieqiang Wang, Shuang Xu, Bo Xu

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In this paper, we propose a single-channel speech dereverberation system (DeReGAT) based on convolutional, bidirectional long short-term memory and deep feed-forward neural network (CBLDNN) with generative adversarial training (GAT). In order to obtain better speech quality instead of only minimizing a mean square error (MSE), GAT is employed to make the dereverberated speech indistinguishable form the clean samples. Besides, our system can deal with wide range reverberation and be well adapted to variant environments. The experimental results show that the proposed model outperforms weighted prediction error (WPE) and deep neural network-based systems. In addition, DeReGAT is extended to an online speech dereverberation scenario, which reports comparable performance with the offline case.

* 5 pages. Accepted by Interspeech 2018 
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