Acoustic contrast, planarity and robustness of sound zone methods using a circular loudspeaker array

P Coleman, PJB Jackson, M Olik, M Møller… - The Journal of the …, 2014 - pubs.aip.org
Portions of this work were presented in P. Coleman, PJB Jackson, M. Olik, M. Olsen, M.
Møller, and JA Pedersen,“The influence of regularization on anechoic performance and …

Time domain optimization of filters used in a loudspeaker array for personal audio

MFS Gálvez, SJ Elliott, J Cheer - IEEE/ACM Transactions on …, 2015 - ieeexplore.ieee.org
This paper describes a time domain design method for calculating the coefficients of FIR
filters used to drive a loudspeaker array for personal audio. A motivating application is to …

Personal audio with a planar bright zone

P Coleman, PJB Jackson, M Olik… - The Journal of the …, 2014 - pubs.aip.org
Reproduction of multiple sound zones, in which personal audio programs may be consumed
without the need for headphones, is an active topic in acoustical signal processing. Many …

Active control of the acoustic environment in an automobile cabin

J Cheer - 2012 - eprints.soton.ac.uk
The acoustic environment in an automobile cabin has a significant effect on the perceived
quality of the vehicle. There are two components of the acoustic environment in the …

Minimally radiating sources for personal audio

SJ Elliott, J Cheer, H Murfet, KR Holland - The Journal of the …, 2010 - pubs.aip.org
In order to reduce annoyance from the audio output of personal devices, it is necessary to
maintain the sound level at the user position while minimizing the levels elsewhere. If the …

A superdirective array of phase shift sources

MF Simón Gálvez, SJ Elliott, J Cheer - The Journal of the Acoustical …, 2012 - pubs.aip.org
A superdirective array of audio drivers is described, which is compact compared with the
acoustic wavelength over some of its frequency range. In order to minimize the overall …

Controlled sound field with a dual layer loudspeaker array

M Shin, FM Fazi, PA Nelson, FC Hirono - Journal of Sound and Vibration, 2014 - Elsevier
Controlled sound interference has been extensively investigated using a prototype dual
layer loudspeaker array comprised of 16 loudspeakers. Results are presented for measures …

Robust acoustic contrast control with reduced in-situ measurement by acoustic modeling

Q Zhu, P Coleman, M Wu, J Yang - Journal of the Audio …, 2017 - opus.lib.uts.edu.au
Personal audio systems generate a local sound field for a listener while attenuating the
sound energy at pre-defined quiet zones. In practice, system performance is sensitive to …

Practical implementation of personal audio in a mobile device

J Cheer, SJ Elliott, Y Kim, JW Choi - Journal of the audio engineering …, 2013 - aes.org
The widespread use of loudspeakers on mobile devices to reproduce audio in public spaces
has led to issues of both user privacy and noise nuisance. Previous work has investigated …

A realistic multiple circular array system for active noise control over 3D space

H Sun, TD Abhayapala… - IEEE/ACM Transactions …, 2020 - ieeexplore.ieee.org
Spatial active noise control (ANC) systems focus on minimizing unwanted acoustic noise
over a continuous spatial region. Conventionally, spatial ANC systems are proposed using …