A Hybrid Model for Weakly-Supervised Speech Dereverberation

• URL: http://arxiv.org/abs/2502.06839v1
• Date: Thu, 06 Feb 2025 09:21:22 GMT
• Title: A Hybrid Model for Weakly-Supervised Speech Dereverberation
• Authors: Louis Bahrman, Mathieu Fontaine, Gael Richard,
• Abstract summary: This paper introduces a new training strategy to improve speech dereverberation systems using minimal acoustic information and reverberant (wet) speech. Experimental results demonstrate that our method achieves more consistent performance across various objective metrics used in speech dereverberation than the state-of-the-art.
• Score: 2.731944614640173
• License:
• Abstract: This paper introduces a new training strategy to improve speech dereverberation systems using minimal acoustic information and reverberant (wet) speech. Most existing algorithms rely on paired dry/wet data, which is difficult to obtain, or on target metrics that may not adequately capture reverberation characteristics and can lead to poor results on non-target metrics. Our approach uses limited acoustic information, like the reverberation time (RT60), to train a dereverberation system. The system's output is resynthesized using a generated room impulse response and compared with the original reverberant speech, providing a novel reverberation matching loss replacing the standard target metrics. During inference, only the trained dereverberation model is used. Experimental results demonstrate that our method achieves more consistent performance across various objective metrics used in speech dereverberation than the state-of-the-art.

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