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In conventional studies on environmental sound separation and synthesis using captions, datasets consisting of multiple-source sounds with their captions were used for model training. However, when we collect the captions for…

Sound · Computer Science 2023-05-30 Yuki Okamoto , Kanta Shimonishi , Keisuke Imoto , Kota Dohi , Shota Horiguchi , Yohei Kawaguchi

Audio source separation is the process of separating a mixture (e.g. a pop band recording) into isolated sounds from individual sources (e.g. just the lead vocals). Deep learning models are the state-of-the-art in source separation, given…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-28 Alisa Liu , Prem Seetharaman , Bryan Pardo

We consider the problem of audio voice separation for binaural applications, such as earphones and hearing aids. While today's neural networks perform remarkably well (separating $4+$ sources with 2 microphones) they assume a known or fixed…

Sound · Computer Science 2022-07-18 Zhongweiyang Xu , Romit Roy Choudhury

Visual sound source separation aims at identifying sound components from a given sound mixture with the presence of visual cues. Prior works have demonstrated impressive results, but with the expense of large multi-stage architectures and…

Computer Vision and Pattern Recognition · Computer Science 2021-04-19 Lingyu Zhu , Esa Rahtu

Permutation invariant training (PIT) is a widely used training criterion for neural network-based source separation, used for both utterance-level separation with utterance-level PIT (uPIT) and separation of long recordings with the…

Audio and Speech Processing · Electrical Eng. & Systems 2021-08-02 Thilo von Neumann , Christoph Boeddeker , Keisuke Kinoshita , Marc Delcroix , Reinhold Haeb-Umbach

In this paper, we propose an Omni-perception Pre-Trainer (OPT) for cross-modal understanding and generation, by jointly modeling visual, text and audio resources. OPT is constructed in an encoder-decoder framework, including three…

Computer Vision and Pattern Recognition · Computer Science 2021-07-07 Jing Liu , Xinxin Zhu , Fei Liu , Longteng Guo , Zijia Zhao , Mingzhen Sun , Weining Wang , Hanqing Lu , Shiyu Zhou , Jiajun Zhang , Jinqiao Wang

In this paper, we study whether music source separation can be used as a pre-training strategy for music representation learning, targeted at music classification tasks. To this end, we first pre-train U-Net networks under various music…

Audio and Speech Processing · Electrical Eng. & Systems 2024-04-24 Christos Garoufis , Athanasia Zlatintsi , Petros Maragos

Given samples from two joint distributions, we consider the problem of Optimal Transportation (OT) between them when conditioned on a common variable. We focus on the general setting where the conditioned variable may be continuous, and the…

Machine Learning · Computer Science 2024-06-12 Piyushi Manupriya , Rachit Keerti Das , Sayantan Biswas , Saketha Nath Jagarlapudi

Recent work has shown that recurrent neural networks can be trained to separate individual speakers in a sound mixture with high fidelity. Here we explore convolutional neural network models as an alternative and show that they achieve…

Sound · Computer Science 2018-05-29 Shariq Mobin , Brian Cheung , Bruno Olshausen

Text-to-speech (TTS) systems have seen significant advancements in recent years, driven by improvements in deep learning and neural network architectures. Viewing the output speech as a data distribution, previous approaches often employ…

Fully-supervised models for source separation are trained on parallel mixture-source data and are currently state-of-the-art. However, such parallel data is often difficult to obtain, and it is cumbersome to adapt trained models to mixtures…

Audio and Speech Processing · Electrical Eng. & Systems 2022-11-30 Ge Zhu , Jordan Darefsky , Fei Jiang , Anton Selitskiy , Zhiyao Duan

Learning how objects sound from video is challenging, since they often heavily overlap in a single audio channel. Current methods for visually-guided audio source separation sidestep the issue by training with artificially mixed video…

Computer Vision and Pattern Recognition · Computer Science 2019-08-22 Ruohan Gao , Kristen Grauman

Universal source separation targets at separating the audio sources of an arbitrary mix, removing the constraint to operate on a specific domain like speech or music. Yet, the potential of universal source separation is limited because most…

Sound · Computer Science 2023-10-03 Jordi Pons , Xiaoyu Liu , Santiago Pascual , Joan Serrà

Speaker extraction (SE) aims to segregate the speech of a target speaker from a mixture of interfering speakers with the help of auxiliary information. Several forms of auxiliary information have been employed in single-channel SE, such as…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-18 Mohamed Elminshawi , Wolfgang Mack , Srikanth Raj Chetupalli , Soumitro Chakrabarty , Emanuël A. P. Habets

This paper presents a novel framework for multi-talker automatic speech recognition without the need for auxiliary information. Serialized Output Training (SOT), a widely used approach, suffers from recognition errors due to speaker…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-10 Asahi Sakuma , Hiroaki Sato , Ryuga Sugano , Tadashi Kumano , Yoshihiko Kawai , Tetsuji Ogawa

As a powerful technique in generative modeling, Flow Matching (FM) aims to learn velocity fields from noise to data, which is often explained and implemented as solving Optimal Transport (OT) problems. In this study, we bridge FM and the…

Machine Learning · Computer Science 2025-12-23 Angxiao Yue , Anqi Dong , Hongteng Xu

Accent Conversion (AC) seeks to change the accent of speech from one (source) to another (target) while preserving the speech content and speaker identity. However, many AC approaches rely on source-target parallel speech data. We propose a…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-24 Yi Zhou , Zhizheng Wu , Mingyang Zhang , Xiaohai Tian , Haizhou Li

Informed source separation has recently gained renewed interest with the introduction of neural networks and the availability of large multitrack datasets containing both the mixture and the separated sources. These approaches use prior…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-06 Gabriel Meseguer-Brocal , Geoffroy Peeters

Achieving robust speech separation for overlapping speakers in various acoustic environments with noise and reverberation remains an open challenge. Although existing datasets are available to train separators for specific scenarios, they…

Sound · Computer Science 2024-08-30 Ke Chen , Jiaqi Su , Taylor Berg-Kirkpatrick , Shlomo Dubnov , Zeyu Jin

In Gaussian model-based multichannel audio source separation, the likelihood of observed mixtures of source signals is parametrized by source spectral variances and by associated spatial covariance matrices. These parameters are estimated…

Sound · Computer Science 2026-04-15 Mahmoud Fakhry , Piergiorgio Svaizer , Maurizio Omologo