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This paper addresses the challenge of audio-visual single-microphone speech separation and enhancement in the presence of real-world environmental noise. Our approach is based on generative inverse sampling, where we model clean speech and…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-03 Yochai Yemini , Yoav Ellinson , Rami Ben-Ari , Sharon Gannot , Ethan Fetaya

Informed speaker extraction aims to extract a target speech signal from a mixture of sources given prior knowledge about the desired speaker. Recent deep learning-based methods leverage a speaker discriminative model that maps a reference…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-17 Mohamed Elminshawi , Wolfgang Mack , Emanuël A. P. Habets

Diffusion models have recently shown strong potential in both music generation and music source separation tasks. Although in early stages, a trend is emerging towards integrating these tasks into a single framework, as both involve…

Sound · Computer Science 2024-12-31 Tornike Karchkhadze , Mohammad Rasool Izadi , Shlomo Dubnov

The objective of deep learning methods based on encoder-decoder architectures for music source separation is to approximate either ideal time-frequency masks or spectral representations of the target music source(s). The spectral…

This paper addresses the problem of under-determinded speech source separation from multichannel microphone singals, i.e. the convolutive mixtures of multiple sources. The time-domain signals are first transformed to the short-time Fourier…

Sound · Computer Science 2019-04-11 Xiaofei Li , Laurent Girin , Radu Horaud

Diffusion models have become prevalent in generative modeling due to their ability to sample from complex distributions. To improve the quality of generated samples and their compliance with user requirements, two commonly used methods are:…

Machine Learning · Computer Science 2025-12-01 Shervin Khalafi , Ignacio Hounie , Dongsheng Ding , Alejandro Ribeiro

Diffusion models, a powerful and universal generative AI technology, have achieved tremendous success in computer vision, audio, reinforcement learning, and computational biology. In these applications, diffusion models provide flexible…

Machine Learning · Computer Science 2024-04-12 Minshuo Chen , Song Mei , Jianqing Fan , Mengdi Wang

Recently, end-to-end models have become a popular approach as an alternative to traditional hybrid models in automatic speech recognition (ASR). The multi-speaker speech separation and recognition task is a central task in cocktail party…

Computation and Language · Computer Science 2018-11-07 Xuankai Chang , Yanmin Qian , Kai Yu , Shinji Watanabe

Diffusion models have achieved remarkable success across diverse domains, but they remain vulnerable to memorization -- reproducing training data rather than generating novel outputs. This not only limits their creative potential but also…

Machine Learning · Statistics 2025-11-10 Zeqi Ye , Qijie Zhu , Molei Tao , Minshuo Chen

With its strong modeling capacity that comes from a multi-head and multi-layer structure, Transformer is a very powerful model for learning a sequential representation and has been successfully applied to speech separation recently.…

Sound · Computer Science 2020-10-26 Sanyuan Chen , Yu Wu , Zhuo Chen , Takuya Yoshioka , Shujie Liu , Jinyu Li

Unsupervised representation learning, particularly sequential disentanglement, aims to separate static and dynamic factors of variation in data without relying on labels. This remains a challenging problem, as existing approaches based on…

Machine Learning · Computer Science 2025-10-08 Hedi Zisling , Ilan Naiman , Nimrod Berman , Supasorn Suwajanakorn , Omri Azencot

The separation of single-channel underwater acoustic signals is a challenging problem with practical significance. Few existing studies focus on the source separation problem with unknown numbers of signals, and how to evaluate the…

Sound · Computer Science 2024-05-29 Qinggang Sun , Kejun Wang

We address the problem of acoustic source separation in a deep learning framework we call "deep clustering." Rather than directly estimating signals or masking functions, we train a deep network to produce spectrogram embeddings that are…

Neural and Evolutionary Computing · Computer Science 2015-08-19 John R. Hershey , Zhuo Chen , Jonathan Le Roux , Shinji Watanabe

General audio source separation is a key capability for multimodal AI systems that can perceive and reason about sound. Despite substantial progress in recent years, existing separation models are either domain-specific, designed for fixed…

Audio and Speech Processing · Electrical Eng. & Systems 2025-12-24 Bowen Shi , Andros Tjandra , John Hoffman , Helin Wang , Yi-Chiao Wu , Luya Gao , Julius Richter , Matt Le , Apoorv Vyas , Sanyuan Chen , Christoph Feichtenhofer , Piotr Dollár , Wei-Ning Hsu , Ann Lee

We propose DAVIS, a Diffusion-based Audio-VIsual Separation framework that solves the audio-visual sound source separation task through generative learning. Existing methods typically frame sound separation as a mask-based regression…

Computer Vision and Pattern Recognition · Computer Science 2025-09-29 Chao Huang , Susan Liang , Yapeng Tian , Anurag Kumar , Chenliang Xu

Diffusion-based generative models (DGMs) have recently attracted attention in speech enhancement research (SE) as previous works showed a remarkable generalization capability. However, DGMs are also computationally intensive, as they…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-21 Chenda Li , Samuele Cornell , Shinji Watanabe , Yanmin Qian

We present in this paper an informed single-channel dereverberation method based on conditional generation with diffusion models. With knowledge of the room impulse response, the anechoic utterance is generated via reverse diffusion using a…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-22 Jean-Marie Lemercier , Simon Welker , Timo Gerkmann

Many of the recent advances in speech separation are primarily aimed at synthetic mixtures of short audio utterances with high degrees of overlap. Most of these approaches need an additional stitching step to stitch the separated speech…

Audio and Speech Processing · Electrical Eng. & Systems 2022-09-07 Rohit Paturi , Sundararajan Srinivasan , Katrin Kirchhoff , Daniel Garcia-Romero

Recent works have demonstrated success in controlling sentence attributes ($e.g.$, sentiment) and structure ($e.g.$, syntactic structure) based on the diffusion language model. A key component that drives theimpressive performance for…

Computation and Language · Computer Science 2024-03-26 Shujian Zhang , Lemeng Wu , Chengyue Gong , Xingchao Liu

Convolutional deep neural networks (DNN) are state of the art in many engineering problems but have not yet addressed the issue of how to deal with complex spectrograms. Here, we use circular statistics to provide a convenient probabilistic…

Sound · Computer Science 2015-04-14 Andrew J. R. Simpson