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Related papers: Unified Diffusion Refinement for Multi-Channel Spe…

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This paper addresses unsupervised diffusion-based single-channel speech enhancement (SE). Prior work in this direction combines a score-based diffusion model trained on clean speech with a Gaussian noise model whose covariance is structured…

Sound · Computer Science 2026-05-26 Jean-Eudes Ayilo , Mostafa Sadeghi , Romain Serizel , Xavier Alameda-Pineda

The sources separated by most single channel audio source separation techniques are usually distorted and each separated source contains residual signals from the other sources. To tackle this problem, we propose to enhance the separated…

Sound · Computer Science 2016-12-21 Emad M. Grais , Gerard Roma , Andrew J. R. Simpson , Mark D. Plumbley

Speech separation, the task of isolating multiple speech sources from a mixed audio signal, remains challenging in noisy environments. In this paper, we propose a generative correction method to enhance the output of a discriminative…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-12 Helin Wang , Jesus Villalba , Laureano Moro-Velazquez , Jiarui Hai , Thomas Thebaud , Najim Dehak

Speech separation refers to extracting each individual speech source in a given mixed signal. Recent advancements in speech separation and ongoing research in this area, have made these approaches as promising techniques for pre-processing…

Machine Learning · Computer Science 2019-12-18 Fahimeh Bahmaninezhad , Shi-Xiong Zhang , Yong Xu , Meng Yu , John H. L. Hansen , Dong Yu

Removing various degradations from damaged documents greatly benefits digitization, downstream document analysis, and readability. Previous methods often treat each restoration task independently with dedicated models, leading to a…

Computer Vision and Pattern Recognition · Computer Science 2025-08-07 Fangmin Zhao , Weichao Zeng , Zhenhang Li , Dongbao Yang , Binbin Li , Xiaojun Bi , Yu Zhou

Recently, conditional score-based diffusion models have gained significant attention in the field of supervised speech enhancement, yielding state-of-the-art performance. However, these methods may face challenges when generalising to…

Computer Vision and Pattern Recognition · Computer Science 2023-09-20 Berné Nortier , Mostafa Sadeghi , Romain Serizel

Diffusion-based Generative Models (DGMs) have achieved unparalleled performance in synthesizing high-quality visual content, opening up the opportunity to improve image super-resolution (SR) tasks. Recent solutions for these tasks often…

Computer Vision and Pattern Recognition · Computer Science 2023-06-02 Ruibin Li , Qihua Zhou , Song Guo , Jie Zhang , Jingcai Guo , Xinyang Jiang , Yifei Shen , Zhenhua Han

At the core of both successful generative and self-supervised representation learning models there is a reconstruction objective that incorporates some form of image corruption. Diffusion models implement this approach through a scheduled…

Computer Vision and Pattern Recognition · Computer Science 2024-06-26 Philippe Hansen-Estruch , Sriram Vishwanath , Amy Zhang , Manan Tomar

We present a CNN architecture for speech enhancement from multichannel first-order Ambisonics mixtures. The data-dependent spatial filters, deduced from a mask-based approach, are used to help an automatic speech recognition engine to face…

Audio and Speech Processing · Electrical Eng. & Systems 2020-06-03 Amélie Bosca , Alexandre Guérin , Lauréline Perotin , Srđan Kitić

Denoising diffusion probabilistic models (DDPMs) have recently achieved leading performances in many generative tasks. However, the inherited iterative sampling process costs hinder their applications to text-to-speech deployment. Through…

Audio and Speech Processing · Electrical Eng. & Systems 2022-07-14 Rongjie Huang , Zhou Zhao , Huadai Liu , Jinglin Liu , Chenye Cui , Yi Ren

Diffusion speech enhancement on discrete audio codec features gain immense attention due to their improved speech component reconstruction capability. However, they usually suffer from high inference computational complexity due to multiple…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-30 Yihui Fu , Tim Fingscheidt

Diffusion models have shown great success in generating high-quality co-speech gestures for interactive humanoid robots or digital avatars from noisy input with the speech audio or text as conditions. However, they rarely focus on providing…

Human-Computer Interaction · Computer Science 2024-04-04 Zeyu Zhao , Nan Gao , Zhi Zeng , Guixuan Zhang , Jie Liu , Shuwu Zhang

Audio-visual saliency prediction can draw support from diverse modality complements, but further performance enhancement is still challenged by customized architectures as well as task-specific loss functions. In recent studies, denoising…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Junwen Xiong , Peng Zhang , Tao You , Chuanyue Li , Wei Huang , Yufei Zha

While traditional statistical signal processing model-based methods can derive the optimal estimators relying on specific statistical assumptions, current learning-based methods further promote the performance upper bound via deep neural…

Sound · Computer Science 2022-03-17 Andong Li , Chengshi Zheng , Ziyang Zhang , Xiaodong Li

Diffusion probabilistic models have demonstrated an outstanding capability to model natural images and raw audio waveforms through a paired diffusion and reverse processes. The unique property of the reverse process (namely, eliminating…

Audio and Speech Processing · Electrical Eng. & Systems 2021-11-23 Yen-Ju Lu , Yu Tsao , Shinji Watanabe

Diffusion models have shown strong performance in speech enhancement, but their real-time applicability has been limited by multi-step iterative sampling. Consistency distillation has recently emerged as a promising alternative by…

Audio and Speech Processing · Electrical Eng. & Systems 2026-05-19 Liang Xu , Longfei Felix Yan , W. Bastiaan Kleijn

Diffusion-based generative models have exhibited powerful generative performance in recent years. However, as many attributes exist in the data distribution and owing to several limitations of sharing the model parameters across all levels…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-26 Ha-Yeong Choi , Sang-Hoon Lee , Seong-Whan Lee

We introduce OneDiffusion, a versatile, large-scale diffusion model that seamlessly supports bidirectional image synthesis and understanding across diverse tasks. It enables conditional generation from inputs such as text, depth, pose,…

Computer Vision and Pattern Recognition · Computer Science 2025-06-16 Duong H. Le , Tuan Pham , Sangho Lee , Christopher Clark , Aniruddha Kembhavi , Stephan Mandt , Ranjay Krishna , Jiasen Lu

Speech enhancement and speech separation are two related tasks, whose purpose is to extract either one or more target speech signals, respectively, from a mixture of sounds generated by several sources. Traditionally, these tasks have been…

Audio and Speech Processing · Electrical Eng. & Systems 2021-03-16 Daniel Michelsanti , Zheng-Hua Tan , Shi-Xiong Zhang , Yong Xu , Meng Yu , Dong Yu , Jesper Jensen

When dealing with overlapped speech, the performance of automatic speech recognition (ASR) systems substantially degrades as they are designed for single-talker speech. To enhance ASR performance in conversational or meeting environments,…

Audio and Speech Processing · Electrical Eng. & Systems 2023-11-16 Hassan Taherian , DeLiang Wang