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Query-based audio source extraction seeks to recover a target source from a mixture conditioned on a query. Existing approaches are largely confined to single-channel audio, leaving the spatial information in multi-channel recordings…

Audio and Speech Processing · Electrical Eng. & Systems 2025-10-16 Chenxin Yu , Hao Ma , Xu Li , Xiao-Lei Zhang , Mingjie Shao , Chi Zhang , Xuelong Li

Ambisonics encoding of microphone array signals can enable various spatial audio applications, such as virtual reality or telepresence, but it is typically designed for uniformly-spaced spherical microphone arrays. This paper proposes a…

Audio and Speech Processing · Electrical Eng. & Systems 2024-01-12 Mikko Heikkinen , Archontis Politis , Tuomas Virtanen

Variational Autoencoders (VAEs) are essential for large-scale audio tasks like diffusion-based generation. However, existing open-source models often neglect auditory perceptual aspects during training, leading to weaknesses in phase…

Sound · Computer Science 2025-11-07 Kangdi Wang , Zhiyue Wu , Dinghao Zhou , Rui Lin , Junyu Dai , Tao Jiang

The characteristics of a sound field are intrinsically linked to the geometric and spatial properties of the environment surrounding a sound source and a listener. The physics of sound propagation is captured in a time-domain signal known…

Audio and Speech Processing · Electrical Eng. & Systems 2025-05-21 Christopher Ick , Gordon Wichern , Yoshiki Masuyama , François Germain , Jonathan Le Roux

Machine learning is a promising technique for angle-of-arrival (AOA) estimation of waves impinging a sensor array. However, the majority of the methods proposed so far only consider a known, fixed number of impinging waves, i.e., a fixed…

Signal Processing · Electrical Eng. & Systems 2021-11-19 Noud Kanters , Andrés Alayón Glazunov

Traditional video-to-audio generation techniques primarily focus on perspective video and non-spatial audio, often missing the spatial cues necessary for accurately representing sound sources in 3D environments. To address this limitation,…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-04 Huadai Liu , Tianyi Luo , Kaicheng Luo , Qikai Jiang , Peiwen Sun , Jialei Wang , Rongjie Huang , Qian Chen , Wen Wang , Xiangtai Li , Shiliang Zhang , Zhijie Yan , Zhou Zhao , Wei Xue

Unsupervised learning with functional data is an emerging paradigm of machine learning research with applications to computer vision, climate modeling and physical systems. A natural way of modeling functional data is by learning operators…

Machine Learning · Computer Science 2023-02-22 Jacob H. Seidman , Georgios Kissas , George J. Pappas , Paris Perdikaris

We propose the product-of-filters (PoF) model, a generative model that decomposes audio spectra as sparse linear combinations of "filters" in the log-spectral domain. PoF makes similar assumptions to those used in the classic homomorphic…

Machine Learning · Statistics 2014-11-27 Dawen Liang , Matthew D. Hoffman , Gautham J. Mysore

The speaker-follower models have proven to be effective in vision-and-language navigation, where a speaker model is used to synthesize new instructions to augment the training data for a follower navigation model. However, in many of the…

Computation and Language · Computer Science 2022-06-10 Zi-Yi Dou , Nanyun Peng

Selective fixed-filter active noise control (SFANC) is a novel approach capable of mitigating noise with varying frequency characteristics. It offers faster response and greater computational efficiency compared to traditional adaptive…

Sound · Computer Science 2026-01-13 Boxiang Wang , Zhengding Luo , Haowen Li , Dongyuan Shi , Junwei Ji , Ziyi Yang , Woon-Seng Gan

Fast Fourier convolution (FFC) is the recently proposed neural operator showing promising performance in several computer vision problems. The FFC operator allows employing large receptive field operations within early layers of the neural…

Sound · Computer Science 2022-04-08 Ivan Shchekotov , Pavel Andreev , Oleg Ivanov , Aibek Alanov , Dmitry Vetrov

The sound of crashing waves, the roar of fast-moving cars -- sound conveys important information about the objects in our surroundings. In this work, we show that ambient sounds can be used as a supervisory signal for learning visual…

Computer Vision and Pattern Recognition · Computer Science 2016-12-06 Andrew Owens , Jiajun Wu , Josh H. McDermott , William T. Freeman , Antonio Torralba

In optoacoustic (photoacoustic) tomography, several parameters related to tissue and detector features are needed for image formation, but they may not be known a priori. An autofocus (AF) algorithm is generally used to estimate these…

Medical Physics · Physics 2022-03-14 Ludwig Englert , Lucas Riobo , Christine Schonemann , Vasilis Ntziachristos , Juan Aguirre

Photoacoustic tomography seeks to reconstruct an acoustic initial pressure distribution from the measurement of the ultrasound waveforms. Conventional methods assume a-prior knowledge of the sound speed distribution, which practically is…

Image and Video Processing · Electrical Eng. & Systems 2019-09-16 Hongming Shan , Christopher Wiedeman , Ge Wang , Yang Yang

In the rapidly evolving fields of virtual and augmented reality, accurate spatial audio capture and reproduction are essential. For these applications, Ambisonics has emerged as a standard format. However, existing methods for encoding…

Audio and Speech Processing · Electrical Eng. & Systems 2024-11-27 Yhonatan Gayer , Vladimir Tourbabin , Zamir Ben-Hur , Jacob Donley , Boaz Rafaely

Associative memory models retrieve stored information through content-based addressing, mimicking the neural processes of animal brains. The classical Hopfield network-based models store memories as vectors of discrete values and have good…

Neurons and Cognition · Quantitative Biology 2026-01-21 Nurani Rajagopal Rohan , V. Srinivasa Chakravarthy , Sayan Gupta

Velocity and absorption coefficient of the plane sound waves in classical gases are obtained by solving the Boltzmann kinetic equation. This is done within the linear response theory as a reaction of the single-particle distribution…

Fluid Dynamics · Physics 2018-12-27 A. G. Magner , M. I. Gorenstein , U. V. Grygoriev

The sound of crashing waves, the roar of fast-moving cars -- sound conveys important information about the objects in our surroundings. In this work, we show that ambient sounds can be used as a supervisory signal for learning visual…

Computer Vision and Pattern Recognition · Computer Science 2017-12-21 Andrew Owens , Jiajun Wu , Josh H. McDermott , William T. Freeman , Antonio Torralba

We propose a novel pitch estimation technique called DeepF0, which leverages the available annotated data to directly learns from the raw audio in a data-driven manner. F0 estimation is important in various speech processing and music…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-15 Satwinder Singh , Ruili Wang , Yuanhang Qiu

We initiate the study of stochastic optimization with oblivious noise, broadly generalizing the standard heavy-tailed noise setup. In our setting, in addition to random observation noise, the stochastic gradient may be subject to…

Data Structures and Algorithms · Computer Science 2024-08-06 Ilias Diakonikolas , Sushrut Karmalkar , Jongho Park , Christos Tzamos