Three-dimensional sound field reproduction based on weighted mode-matching method

N Ueno, S Koyama, H Saruwatari - IEEE/ACM Transactions on …, 2019 - ieeexplore.ieee.org
A sound field reproduction method based on the spherical wavefunction expansion of sound
fields is proposed, which can be flexibly applied to various array geometries and …

An efficient parameterization of the room transfer function

P Samarasinghe, T Abhayapala… - … on Audio, Speech …, 2015 - ieeexplore.ieee.org
This paper proposes an efficient parameterization of the room transfer function (RTF).
Typically, the RTF rapidly varies with varying source and receiver positions, hence requires …

Multizone soundfield reproduction with privacy-and quality-based speech masking filters

J Donley, C Ritz, WB Kleijn - IEEE/ACM Transactions on Audio …, 2018 - ieeexplore.ieee.org
Reproducing zones of personal sound is a challenging signal processing problem that has
garnered considerable research interest in recent years. We introduce in this work an …

Spherical-harmonic-domain feedforward active noise control using sparse decomposition of reference signals from distributed sensor arrays

Y Maeno, Y Mitsufuji, PN Samarasinghe… - … on Audio, Speech …, 2019 - ieeexplore.ieee.org
Active acoustic noise attenuation over a sizable space is a challenging problem in signal
processing. The noise attenuation performance of feedforward active noise control (ANC) …

Soundfield reconstruction in reverberant environments using higher-order microphones and impulse response measurements

F Borra, ID Gebru, D Markovic - ICASSP 2019-2019 IEEE …, 2019 - ieeexplore.ieee.org
This paper addresses the problem of soundfield reconstruction over a large area using a
distributed array of higher-order microphones. Given an area enclosed by the array, one can …

[HTML][HTML] Spherical harmonic representation of the observed directional wave front in the time domain

J Wang, T Abhayapala, P Samarasinghe… - JASA Express …, 2022 - pubs.aip.org
Sound field reproduction algorithms require loudspeaker directivity, which is usually
measured at discrete frequencies. A time domain model of loudspeaker directivity benefits …

Feedforward active noise global control using a linearly constrained beamforming approach

SC Huang, CH Ma, YC Hsu, MR Bai - Journal of Sound and Vibration, 2022 - Elsevier
Global control of noise in a three-dimensional space is generally difficult, given a limited
number of discrete sensors. This paper presents a feedforward multichannel active noise …

Modeling characteristics of real loudspeakers using various acoustic models: Modal-domain approaches

Y Hu, PN Samarasinghe… - ICASSP 2019-2019 …, 2019 - ieeexplore.ieee.org
The accuracy and perception of soundfields produced by loudspeaker arrays are strongly
influenced by the inherent characteristics of the commercial loudspeakers. This paper …

Design of a prototype variable directivity loudspeaker for improved surround sound reproduction in rooms

M Poletti, T Betlehem - … 52nd International Conference: Sound Field Control …, 2013 - aes.org
Loudspeakers with variable directivity offer the potential for improved sound reproduction
quality in rooms by reducing sound reflections from walls, providing better reconstruction of …

Synthesis of soundfields through irregular loudspeaker arrays based on convolutional neural networks

L Comanducci, F Antonacci, A Sarti - … Journal on Audio, Speech, and Music …, 2024 - Springer
Most soundfield synthesis approaches deal with extensive and regular loudspeaker arrays,
which are often not suitable for home audio systems, due to physical space constraints. In …