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Subjective diffuseness in layer-based loudspeaker systems with height

Cousins, Michael, Fazi, Filippo Maria, Bleeck, Stefan and Melchior, Frank (2015) Subjective diffuseness in layer-based loudspeaker systems with height At 139th Convention of the Audio Engineering Society, New York, United States. 29 Oct - 01 Nov 2015. , pp. 1-11.

Record type: Conference or Workshop Item (Other)

Abstract

Loudspeaker systems with more channels and with elevated loudspeakers are becoming more common. There is an opportunity for greater spatial impression with listeners surrounded in three dimensions. There is research showing the advantages of more loudspeakers and of 3D layouts over 2D layouts although it is not clear whether the cause of these improvements is the greater number of loudspeaker, their position, or both. In this paper two listening tests are presented that investigate the subjective diffuseness of a range of loudspeaker layouts. The first experiment was used to optimize the distribution of loudness between horizontal layers of loudspeakers to allow fair comparison between different layouts. The second experiment investigated the perceived diffuseness of a range of loudspeaker layouts chosen to critically assess parameters of layer-based loudspeaker systems as well as validate the results of the first experiment. The number of loudspeakers at head-height, the number of loudspeakers not at head-height, and the relative level between head-height and non-head-height layers were all found to be statistically significant in terms of perceived diffuseness. It was also confirmed that 3D loudspeaker layouts can have statistically greater perceived diffuseness than 2D layouts.

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More information

Accepted/In Press date: 21 June 2015
Published date: 23 October 2015
Venue - Dates: 139th Convention of the Audio Engineering Society, New York, United States, 2015-10-29 - 2015-11-01
Organisations: Acoustics Group

Identifiers

Local EPrints ID: 385633
URI: http://eprints.soton.ac.uk/id/eprint/385633
PURE UUID: efbd49de-b8ac-4789-8ec0-f6e8d3eaf985
ORCID for Stefan Bleeck: ORCID iD orcid.org/0000-0003-4378-3394

Catalogue record

Date deposited: 21 Jan 2016 14:05
Last modified: 14 Aug 2017 16:31

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Contributors

Author: Michael Cousins
Author: Stefan Bleeck ORCID iD
Author: Frank Melchior

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