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Recently, significant progress has been made in audio source separation by the application of deep learning techniques. Current methods that combine both audio and visual information use 2D representations such as images to guide the…

Sound · Computer Science 2021-02-04 Francesc Lluís , Vasileios Chatziioannou , Alex Hofmann

While neural network approaches have made significant strides in resolving classical signal processing problems, it is often the case that hybrid approaches that draw insight from both signal processing and neural networks produce more…

Audio and Speech Processing · Electrical Eng. & Systems 2024-02-13 Karim Helwani , Masahito Togami , Paris Smaragdis , Michael M. Goodwin

Object-centric learning aims to decompose an input image into a set of meaningful object files (slots). These latent object representations enable a variety of downstream tasks. Yet, object-centric learning struggles on real-world datasets,…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Krishnakant Singh , Simone Schaub-Meyer , Stefan Roth

Generative adversarial networks (GANs) and diffusion models have recently achieved state-of-the-art performance in audio super-resolution (ADSR), producing perceptually convincing wideband audio from narrowband inputs. However, existing…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-08 Mikhail Silaev , Konstantinos Drossos , Tuomas Virtanen

We present a model for separating a set of voices out of a sound mixture containing an unknown number of sources. Our Attentional Gating Network (AGN) uses a variable attentional context to specify which speakers in the mixture are of…

Sound · Computer Science 2019-05-28 Shariq Mobin , Bruno Olshausen

Monoaural audio source separation is a challenging research area in machine learning. In this area, a mixture containing multiple audio sources is given, and a model is expected to disentangle the mixture into isolated atomic sources. In…

Machine Learning · Computer Science 2019-11-25 Amir Zadeh , Tianjun Ma , Soujanya Poria , Louis-Philippe Morency

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

Speech separation is an important problem in speech processing, which targets to separate and generate clean speech from a mixed audio containing speech from different speakers. Empowered by the deep learning technologies over…

Sound · Computer Science 2021-02-22 Zining Zhang , Bingsheng He , Zhenjie Zhang

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

Modern audio source separation techniques rely on optimizing sequence model architectures such as, 1D-CNNs, on mixture recordings to generalize well to unseen mixtures. Specifically, recent focus is on time-domain based architectures such…

Machine Learning · Computer Science 2019-04-09 Vivek Sivaraman Narayanaswamy , Sameeksha Katoch , Jayaraman J. Thiagarajan , Huan Song , Andreas Spanias

Audio classification is vital in areas such as speech and music recognition. Feature extraction from the audio signal, such as Mel-Spectrograms and MFCCs, is a critical step in audio classification. These features are transformed into…

Sound · Computer Science 2023-07-06 C. S. Sonali , Chinmayi B S , Ahana Balasubramanian

In recent works, a flow-based neural vocoder has shown significant improvement in real-time speech generation task. The sequence of invertible flow operations allows the model to convert samples from simple distribution to audio samples.…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-18 Hyun-Wook Yoon , Sang-Hoon Lee , Hyeong-Rae Noh , Seong-Whan Lee

How does audio describe the world around us? In this work, we propose a method for generating images of visual scenes from diverse in-the-wild sounds. This cross-modal generation task is challenging due to the significant information gap…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Kim Sung-Bin , Arda Senocak , Hyunwoo Ha , Tae-Hyun Oh

Models for audio source separation usually operate on the magnitude spectrum, which ignores phase information and makes separation performance dependant on hyper-parameters for the spectral front-end. Therefore, we investigate end-to-end…

Sound · Computer Science 2018-06-11 Daniel Stoller , Sebastian Ewert , Simon Dixon

Generating combined visual and auditory sensory experiences is critical for the consumption of immersive content. Recent advances in neural generative models have enabled the creation of high-resolution content across multiple modalities…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Rishit Dagli , Shivesh Prakash , Robert Wu , Houman Khosravani

We propose a system that gives a mobile robot the ability to separate simultaneous sound sources. A microphone array is used along with a real-time dedicated implementation of Geometric Source Separation and a post-filter that gives us a…

Robotics · Computer Science 2016-03-09 Jean-Marc Valin , Jean Rouat , François Michaud

We propose a neural network model that can separate target speech sources from interfering sources at different angular regions using two microphones. The model is trained with simulated room impulse responses (RIRs) using omni-directional…

Audio and Speech Processing · Electrical Eng. & Systems 2024-01-18 Yang Yang , George Sung , Shao-Fu Shih , Hakan Erdogan , Chehung Lee , Matthias Grundmann

Deep generative models can generate high-fidelity audio conditioned on various types of representations (e.g., mel-spectrograms, Mel-frequency Cepstral Coefficients (MFCC)). Recently, such models have been used to synthesize audio waveforms…

Self-supervised learning (SSL) approaches, such as contrastive and generative methods, have advanced environmental sound representation learning using unlabeled data. However, how these approaches can complement each other within a unified…

Sound · Computer Science 2025-10-29 Sivan Ding , Julia Wilkins , Magdalena Fuentes , Juan Pablo Bello

Discrete audio tokenizers are fundamental to empowering large language models with native audio processing and generation capabilities. Despite recent progress, existing approaches often rely on pretrained encoders, semantic distillation,…