2022
DOI: 10.48550/arxiv.2204.02978
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End-To-End Optimization of Online Neural Network-supported Two-Stage Dereverberation for Hearing Devices

Abstract: A two-stage online dereverberation algorithm for hearing devices is presented in this paper. The approach combines a multi-channel multi-frame linear filtering approach with a single-channel single-frame post-filter. Both components rely on power spectral density (PSD) estimates provided by deep neural networks (DNNs). This contribution extends our prior work, which shows that directly optimizing for a criterion at the output of the multi-channel linear filtering stage results in a more efficient dereverberati… Show more

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