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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…

Audio and Speech Processing · Electrical Eng. & Systems 2025-02-12 Louis Bahrman , Mathieu Fontaine , Gael Richard

This paper explores the outcome of training state-of-the-art dereverberation models with supervision settings ranging from weakly-supervised to virtually unsupervised, relying solely on reverberant signals and an acoustic model for…

Sound · Computer Science 2026-03-27 Louis Bahrman , Marius Rodrigues , Mathieu Fontaine , Gaël Richard

This paper introduces a new training strategy to improve speech dereverberation systems in an unsupervised manner using only reverberant speech. Most existing algorithms rely on paired dry/reverberant data, which is difficult to obtain. Our…

Sound · Computer Science 2025-10-13 Louis Bahrman , Mathieu Fontaine , Gaël Richard

Vocal dereverberation remains a challenging task in audio processing, particularly for real-time applications where both accuracy and efficiency are crucial. Traditional deep learning approaches often struggle to suppress reverberation…

Sound · Computer Science 2025-10-02 Daniel G. Williams

When recorded in an enclosed room, a sound signal will most certainly get affected by reverberation. This not only undermines audio quality, but also poses a problem for many human-machine interaction technologies that use speech as their…

Sound · Computer Science 2018-09-21 Francisco Ibarrola , Leandro Di Persia , Ruben Spies

The purpose of speech dereverberation is to remove quality-degrading effects of a time-invariant impulse response filter from the signal. In this report, we describe an approach to speech dereverberation that involves joint estimation of…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-27 Sanna Wager , Keunwoo Choi , Simon Durand

Dereverberation is often performed directly on the reverberant audio signal, without knowledge of the acoustic environment. Reverberation time, T60, however, is an essential acoustic factor that reflects how reverberation may impact a…

Audio and Speech Processing · Electrical Eng. & Systems 2023-02-13 Yuying Li , Yuchen Liu , Donald S. Williamson

This paper introduces a new method for multi-channel time domain speech separation in reverberant environments. A fully-convolutional neural network structure has been used to directly separate speech from multiple microphone recordings,…

Audio and Speech Processing · Electrical Eng. & Systems 2020-11-12 Jisi Zhang , Catalin Zorila , Rama Doddipatla , Jon Barker

Reverberation is damaging to both the quality and the intelligibility of a speech signal. We propose a novel single-channel method of dereverberation based on a linear filter in the Short Time Fourier Transform domain. Each enhanced frame…

Sound · Computer Science 2015-09-25 Richard Stanton , Mike Brookes

The estimation of reverberation time from real-world signals plays a central role in a wide range of applications. In many scenarios, acoustic conditions change over time which in turn requires the estimate to be updated continuously.…

Audio and Speech Processing · Electrical Eng. & Systems 2022-10-11 Philipp Götz , Cagdas Tuna , Andreas Walther , Emanuël A. P. Habets

Removing reverb from reverberant music is a necessary technique to clean up audio for downstream music manipulations. Reverberation of music contains two categories, natural reverb, and artificial reverb. Artificial reverb has a wider…

Audio and Speech Processing · Electrical Eng. & Systems 2022-11-09 Koichi Saito , Naoki Murata , Toshimitsu Uesaka , Chieh-Hsin Lai , Yuhta Takida , Takao Fukui , Yuki Mitsufuji

In real-world settings, speech signals are almost always affected by reverberation produced by the working environment; these corrupted signals need to be \emph{dereverberated} prior to performing, e.g., speech recognition, speech-to-text…

Audio and Speech Processing · Electrical Eng. & Systems 2021-10-06 Diego León , Felipe Tobar

This paper proposes reverberation as supervision (RAS), a novel unsupervised loss function for single-channel reverberant speech separation. Prior methods for unsupervised separation required the synthesis of mixtures of mixtures or assumed…

Audio and Speech Processing · Electrical Eng. & Systems 2022-11-16 Rohith Aralikatti , Christoph Boeddeker , Gordon Wichern , Aswin Shanmugam Subramanian , Jonathan Le Roux

Previous research on late-reverberation modeling has mainly focused on exponentially decaying room impulse responses, whereas methods for accurately modeling non-exponential reverberation remain challenging. This paper extends the…

Audio and Speech Processing · Electrical Eng. & Systems 2024-04-02 Jon Fagerström , Sebastian J. Schlecht , Vesa Välimäki

This work proposes a new learning target based on reverberation time shortening (RTS) for speech dereverberation. The learning target for dereverberation is usually set as the direct-path speech or optionally with some early reflections.…

Audio and Speech Processing · Electrical Eng. & Systems 2022-11-22 Rui Zhou , Wenye Zhu , Xiaofei Li

This work proposes a new learning target based on reverberation time shortening (RTS) for speech dereverberation. The learning target for dereverberation is usually set as the direct-path speech or optionally with some early reflections.…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-07 Rui Zhou , Wenye Zhu , Xiaofei Li

In real life, room effect, also known as room reverberation, and the present background noise degrade the quality of speech. Recently, deep learning-based speech enhancement approaches have shown a lot of promise and surpassed traditional…

Audio and Speech Processing · Electrical Eng. & Systems 2022-06-17 Jean-Marc Valin , Ritwik Giri , Shrikant Venkataramani , Umut Isik , Arvindh Krishnaswamy

Reverberation not only degrades the quality of speech for human perception, but also severely impacts the accuracy of automatic speech recognition. Prior work attempts to remove reverberation based on the audio modality only. Our idea is to…

Sound · Computer Science 2023-03-15 Changan Chen , Wei Sun , David Harwath , Kristen Grauman

In this paper, we propose a model to perform speech dereverberation by estimating its spectral magnitude from the reverberant counterpart. Our models are capable of extracting features that take into account both short and long-term…

Sound · Computer Science 2017-11-20 Joao Felipe Santos , Tiago H. Falk

Most recent advances in audio dereverberation focus almost exclusively on speech, leaving percussive and drum signals largely unexplored despite their importance in music production. Percussive dereverberation poses distinct challenges due…

Sound · Computer Science 2026-05-12 Dimos Makris , András Barják , Maximos Kaliakatsos-Papakostas
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