DiffVQE: Hybrid Diffusion Voice Quality Enhancement Under Acoustic Echo and Noise
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arXiv
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| Format: | Preprint |
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2026
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| author | Girao, Haljan Lugo Seidel, Ernst Mowlaee, Pejman Zhao, Ziyue Fingscheidt, Tim |
| author_facet | Girao, Haljan Lugo Seidel, Ernst Mowlaee, Pejman Zhao, Ziyue Fingscheidt, Tim |
| contents | Acoustic echo and background noise pose challenges on speech enhancement in hands-free systems and speakerphones. Discriminatively trained end-to-end methods represent a powerful solution for joint acoustic echo control (AEC) and denoising. However, with the advent of generative methods, diffusion-based approaches have seen remarkable performance in speech enhancement tasks. In this work, to the best of our knowledge, we provide the first (still non-causal) diffusion-based AEC model (DiffVQE) that is reproducible in terms of topology, training data, and training framework. So far, without employing diffusion, Microsoft's discriminative DeepVQE model has been shown to excel any of the ICASSP 2023 AEC Challenge entries achieving remarkable performance. Using data from the Interspeech 2025 URGENT Challenge for a diverse, high-quality training dataset, our DiffVQE excels DeepVQE both in echo and noise control performance, as well as in computational complexity and model size. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_08189 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | DiffVQE: Hybrid Diffusion Voice Quality Enhancement Under Acoustic Echo and Noise Girao, Haljan Lugo Seidel, Ernst Mowlaee, Pejman Zhao, Ziyue Fingscheidt, Tim Audio and Speech Processing Acoustic echo and background noise pose challenges on speech enhancement in hands-free systems and speakerphones. Discriminatively trained end-to-end methods represent a powerful solution for joint acoustic echo control (AEC) and denoising. However, with the advent of generative methods, diffusion-based approaches have seen remarkable performance in speech enhancement tasks. In this work, to the best of our knowledge, we provide the first (still non-causal) diffusion-based AEC model (DiffVQE) that is reproducible in terms of topology, training data, and training framework. So far, without employing diffusion, Microsoft's discriminative DeepVQE model has been shown to excel any of the ICASSP 2023 AEC Challenge entries achieving remarkable performance. Using data from the Interspeech 2025 URGENT Challenge for a diverse, high-quality training dataset, our DiffVQE excels DeepVQE both in echo and noise control performance, as well as in computational complexity and model size. |
| title | DiffVQE: Hybrid Diffusion Voice Quality Enhancement Under Acoustic Echo and Noise |
| topic | Audio and Speech Processing |
| url | https://arxiv.org/abs/2605.08189 |