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Design and implementation of a personal audio system in a car cabin

Design and implementation of a personal audio system in a car cabin
Design and implementation of a personal audio system in a car cabin
The generation of personal listening zones in a car cabin would allow the different occupants to listen to different audio programmes without the use of headphones. This would allow, for example, the driver to listen to a navigation system whilst the rear passengers watched a film. Personal audio systems have previously been implemented in mobile devices and monitors, for example, however, the investigation of the effects of an enclosure on the generation of personal listening zones has been limited. This paper presents an investigation of the effects of a car cabin sized enclosure on the generation of independent listening zones in the front and rear seats. The standard car audio loudspeaker array is used to produce independent listening zones at low frequencies, while a second array of small loudspeakers positioned at the four headrest positions is used to provide control over the rest of the audio bandwidth. The proposed arrays are implemented in a real car and the results of a real-time implementation are presented.
acoustic array systems and processing, beam-forming
055009-[9pp]
Acoustical Society of America
Cheer, Jordan
8e452f50-4c7d-4d4e-913a-34015e99b9dc
Elliott, Stephen J.
721dc55c-8c3e-4895-b9c4-82f62abd3567
Cheer, Jordan
8e452f50-4c7d-4d4e-913a-34015e99b9dc
Elliott, Stephen J.
721dc55c-8c3e-4895-b9c4-82f62abd3567

Cheer, Jordan and Elliott, Stephen J. (2013) Design and implementation of a personal audio system in a car cabin. In Proceedings of Meetings on Acoustcs. vol. 19, Acoustical Society of America. 055009-[9pp] . (doi:10.1121/1.4798948).

Record type: Conference or Workshop Item (Paper)

Abstract

The generation of personal listening zones in a car cabin would allow the different occupants to listen to different audio programmes without the use of headphones. This would allow, for example, the driver to listen to a navigation system whilst the rear passengers watched a film. Personal audio systems have previously been implemented in mobile devices and monitors, for example, however, the investigation of the effects of an enclosure on the generation of personal listening zones has been limited. This paper presents an investigation of the effects of a car cabin sized enclosure on the generation of independent listening zones in the front and rear seats. The standard car audio loudspeaker array is used to produce independent listening zones at low frequencies, while a second array of small loudspeakers positioned at the four headrest positions is used to provide control over the rest of the audio bandwidth. The proposed arrays are implemented in a real car and the results of a real-time implementation are presented.

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Published date: 2 June 2013
Venue - Dates: ICA 2013 Montreal, Canada, 2013-06-02 - 2013-06-07
Keywords: acoustic array systems and processing, beam-forming
Organisations: Signal Processing & Control Grp

Identifiers

Local EPrints ID: 353724
URI: https://eprints.soton.ac.uk/id/eprint/353724
PURE UUID: 0a956611-d46a-475b-83b2-d9939db27cea
ORCID for Jordan Cheer: ORCID iD orcid.org/0000-0002-0552-5506

Catalogue record

Date deposited: 26 Jun 2013 13:46
Last modified: 20 Jul 2019 00:45

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Author: Jordan Cheer ORCID iD

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