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Spatial audio formats like Ambisonics are playback device layout-agnostic and well-suited for applications such as teleconferencing and virtual reality. Conventional Ambisonic encoding methods often rely on spherical microphone arrays for…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-17 Yue Qiao , Vinay Kothapally , Meng Yu , Dong Yu

Real-time Monte Carlo denoising aims at removing severe noise under low samples per pixel (spp) in a strict time budget. Recently, kernel-prediction methods use a neural network to predict each pixel's filtering kernel and have shown a…

Graphics · Computer Science 2022-02-28 Hangming Fan , Rui Wang , Yuchi Huo , Hujun Bao

While our world is filled with its own natural sounds that we can't resist enjoying, it is also chock-full of other sounds that can be irritating, this is noise. Noise not only influences the working efficiency but also the human's health.…

Sound · Computer Science 2023-11-02 kai Wu , Yuanyuan Chen

We present a novel approach for generating an artificial audio signal that interpolates between given source and target sounds. Our approach relies on the computation of Wasserstein barycenters of the source and target spectrograms,…

Signal Processing · Electrical Eng. & Systems 2025-04-23 David Valdivia , Marien Renaud , Elsa Cazelles , Cédric Févotte

Active noise control typically employs adaptive filtering to generate secondary noise, where the least mean square algorithm is the most widely used. However, traditional updating rules are linear and exhibit limited effectiveness in…

Audio and Speech Processing · Electrical Eng. & Systems 2024-12-30 Pengxing Feng , Hing Cheung So

Snoring is a common disorder that affects people's social and marital lives. The annoyance caused by snoring can be partially solved with active noise control systems. In this context, the present work aims at introducing an enhanced system…

Audio and Speech Processing · Electrical Eng. & Systems 2023-08-01 Valeria Bruschi , Michela Cantarini , Luca Serafini , Stefano Nobili , Stefania Cecchi , Stefano Squartini

We consider the task of region-based source separation of reverberant multi-microphone recordings. We assume pre-defined spatial regions with a single active source per region. The objective is to estimate the signals from the individual…

Audio and Speech Processing · Electrical Eng. & Systems 2023-03-14 Julian Wechsler , Srikanth Raj Chetupalli , Wolfgang Mack , Emanuël A. P. Habets

Unsupervised anomalous sound detection aims to detect unknown abnormal sounds of machines from normal sounds. However, the state-of-the-art approaches are not always stable and perform dramatically differently even for machines of the same…

Sound · Computer Science 2022-05-02 Youde Liu , Jian Guan , Qiaoxi Zhu , Wenwu Wang

Introducing spatial prior information in hyperspectral imaging (HSI) analysis has led to an overall improvement of the performance of many HSI methods applied for denoising, classification, and unmixing. Extending such methodologies to…

Image and Video Processing · Electrical Eng. & Systems 2023-07-19 Ricardo Augusto Borsoi , Tales Imbiriba , José Carlos Moreira Bermudez , Cédric Richard

Delayless noise control is achieved by our earlier generative fixed-filter active noise control (GFANC) framework through efficient coordination between the co-processor and real-time controller. However, the one-dimensional convolutional…

Signal Processing · Electrical Eng. & Systems 2024-05-16 Zhengding Luo , Dongyuan Shi , Xiaoyi Shen , Woon-Seng Gan

In general, multi-channel source separation has utilized inter-microphone phase differences (IPDs) concatenated with magnitude information in time-frequency domain, or real and imaginary components stacked along the channel axis. However,…

Audio and Speech Processing · Electrical Eng. & Systems 2026-04-01 Ui-Hyeop Shin , Bon Hyeok Ku , Hyung-Min Park

This paper presents a novel approach to sound source separation that leverages spatial information obtained during the recording setup. Our method trains a spatial mixing filter using solo passages to capture information about the room…

Sound synthesizers are widespread in modern music production but they increasingly require expert skills to be mastered. This work focuses on interpolation between presets, i.e., sets of values of all sound synthesis parameters, to enable…

Sound · Computer Science 2023-03-10 Gwendal Le Vaillant , Thierry Dutoit

Most deep learning-based multi-channel speech enhancement methods focus on designing a set of beamforming coefficients to directly filter the low signal-to-noise ratio signals received by microphones, which hinders the performance of these…

Sound · Computer Science 2022-02-08 Wenzhe Liu , Andong Li , Chengshi Zheng , Xiaodong Li

The high-intensity, repetitive noise associated with functional magnetic resonance imaging hinders on-line monitoring of subjects' speech and/or recording speech signals suitable for off-line analysis. The proposed algorithm enhances the…

Sound · Computer Science 2012-07-26 Satrajit S. Ghosh

This work for the first time examines the impact of transmitter-side correlation on the artificial-noise-aided secure transmission, based on which a new power allocation strategy for artificial noise (AN) is devised for physical layer…

Information Theory · Computer Science 2016-11-08 Shihao Yan , Xiangyun Zhou , Nan Yang , Biao He , Thushara D. Abhayapala

The multichannel virtual sensing active noise control (MVANC) methodology is an advanced approach that may provide a wide area of silence at specific virtual positions that are distant from the physical error microphones. Currently, there…

Signal Processing · Electrical Eng. & Systems 2024-05-20 Boxiang Wang

In this paper, we investigate the problem of designing compact support interpolation kernels for a given class of signals. By using calculus of variations, we simplify the optimization problem from an infinite nonlinear problem to a finite…

Multimedia · Computer Science 2011-05-03 Ramtin Madani , Ali Ayremlou , Arash Amini , Farrokh Marvasti

Quantum systems can be used to measure various quantities in their environment with high precision. Often, however, their sensitivity is limited by the decohering effects of this same environment. Dynamical decoupling schemes are widely…

Quantum Physics · Physics 2018-07-18 David Layden , Paola Cappellaro

Room compensation aims to improve the accuracy of loudspeaker reproduction in reverberant environments. Traditional methods, however, are limited to improving only spectral (timbral) and temporal accuracy, neglecting the spatial accuracy of…

Audio and Speech Processing · Electrical Eng. & Systems 2026-04-15 James Brooks-Park , Søren Bech , Jan Østergaard , Steven van de Par