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We propose a knowledge-driven, model-based approach to segmenting audio into single-category and mixed-category chunks with applications to source separation. "Knowledge" here denotes information associated with the data, such as music…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-26 Chun-wei Ho , Sabato Marco Siniscalchi , Kai Li , Chin-Hui Lee

This paper presents an unsupervised method that trains neural source separation by using only multichannel mixture signals. Conventional neural separation methods require a lot of supervised data to achieve excellent performance. Although…

Sound · Computer Science 2019-08-30 Yoshiaki Bando , Yoko Sasaki , Kazuyoshi Yoshii

We introduce Integrated Weak Learning, a principled framework that integrates weak supervision into the training process of machine learning models. Our approach jointly trains the end-model and a label model that aggregates multiple…

Machine Learning · Computer Science 2022-06-22 Peter Hayes , Mingtian Zhang , Raza Habib , Jordan Burgess , Emine Yilmaz , David Barber

Spatial semantic segmentation of sound scenes (S5) involves the accurate identification of active sound classes and the precise separation of their sources from complex acoustic mixtures. Conventional systems rely on a two-stage pipeline -…

Sound · Computer Science 2025-07-24 Tobias Morocutti , Jonathan Greif , Paul Primus , Florian Schmid , Gerhard Widmer

We tackle the problem of audiovisual scene analysis for weakly-labeled data. To this end, we build upon our previous audiovisual representation learning framework to perform object classification in noisy acoustic environments and integrate…

Computer Vision and Pattern Recognition · Computer Science 2018-11-12 Sanjeel Parekh , Alexey Ozerov , Slim Essid , Ngoc Duong , Patrick Pérez , Gaël Richard

Signal separation and extraction are important tasks for devices recording audio signals in real environments which, aside from the desired sources, often contain several interfering sources such as background noise or concurrent speakers.…

Signal Processing · Electrical Eng. & Systems 2020-07-15 Andreas Brendel , Thomas Haubner , Walter Kellermann

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

In this paper, we address the problem of single-microphone speech separation in the presence of ambient noise. We propose a generative unsupervised technique that directly models both clean speech and structured noise components, training…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-19 Yochai Yemini , Rami Ben-Ari , Sharon Gannot , Ethan Fetaya

In recent years, extending variational autoencoder's framework to learn disentangled representations has received much attention. We address this problem by proposing a framework capable of disentangling class-related and class-independent…

Machine Learning · Computer Science 2021-02-02 Sina Hajimiri , Aryo Lotfi , Mahdieh Soleymani Baghshah

We study the problem of learning neural text classifiers without using any labeled data, but only easy-to-provide rules as multiple weak supervision sources. This problem is challenging because rule-induced weak labels are often noisy and…

Computation and Language · Computer Science 2021-03-12 Wendi Ren , Yinghao Li , Hanting Su , David Kartchner , Cassie Mitchell , Chao Zhang

Weakly supervised learning algorithms are critical for scaling audio event detection to several hundreds of sound categories. Such learning models should not only disambiguate sound events efficiently with minimal class-specific annotation…

Sound · Computer Science 2020-05-05 Anurag Kumar , Vamsi Krishna Ithapu

The source separation-based speech enhancement problem with multiple beamforming in reverberant indoor environments is addressed in this paper. We propose that more generic solutions should cope with time-varying dynamic scenarios with…

Audio and Speech Processing · Electrical Eng. & Systems 2020-11-05 Alejandro Díaz , Diego Pincheira , Rodrigo Mahu , Nestor Becerra Yoma

We propose a new framework for single-channel source separation that lies between the fully supervised and unsupervised setting. Instead of supervision, we provide input features for each source signal and use convex methods to estimate the…

Machine Learning · Statistics 2013-12-19 Matt Wytock , J. Zico Kolter

Sound source separation has attracted attention from Music Information Retrieval(MIR) researchers, since it is related to many MIR tasks such as automatic lyric transcription, singer identification, and voice conversion. In this paper, we…

Sound · Computer Science 2018-10-31 Jaehoon Oh , Duyeon Kim , Se-Young Yun

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

Deep learning-based approaches to musical source separation are often limited to the instrument classes that the models are trained on and do not generalize to separate unseen instruments. To address this, we propose a few-shot musical…

Sound · Computer Science 2022-05-04 Yu Wang , Daniel Stoller , Rachel M. Bittner , Juan Pablo Bello

This paper proposes a neural network architecture and training scheme to learn the start and end time of sound events (strong labels) in an audio recording given just the list of sound events existing in the audio without time information…

Sound · Computer Science 2017-10-10 Sharath Adavanne , Tuomas Virtanen

We study the problem of source separation for music using deep learning with four known sources: drums, bass, vocals and other accompaniments. State-of-the-art approaches predict soft masks over mixture spectrograms while methods working on…

Sound · Computer Science 2019-09-04 Alexandre Défossez , Nicolas Usunier , Léon Bottou , Francis Bach

The problem of mixed signals occurs in many different contexts; one of the most familiar being acoustics. The forward problem in acoustics consists of finding the sound pressure levels at various detectors resulting from sound signals…

Data Analysis, Statistics and Probability · Physics 2007-05-23 Kevin H. Knuth

Source separation problems are ubiquitous in the physical sciences; any situation where signals are superimposed calls for source separation to estimate the original signals. In this tutorial I will discuss the Bayesian approach to the…

Machine Learning · Statistics 2013-11-14 Kevin H. Knuth