Dual frequency band amplitude panning for multichannel audio systems
Dual frequency band amplitude panning for multichannel audio systems
Panning laws for multi-loudspeaker setups, for example vector base amplitude panning, are typically derived based on either low or high frequency assumptions. It is well known, however, that auditory cues for both localization and loudness differ at these frequencies. This paper investigates the use of dual-band panning, whereby low and high frequency gains and normalization are applied separately. Single- and dual-band rendering algorithms are described, with predicted theoretical localization, spectral balance, and source extent cues given. A multiple stimulus test is described, performed for a number of trajectories rendered to a periphonic nine-loudspeaker ITU-R BS.2051-1 setup, with rated attributes based on predicted sources of error. Results are reported, detailing differences between both theoretical predictions and systems under test.
Hughes, Richard J.
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Franck, Andreas
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Cox, Trevor
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Shirley, Ben G.
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Fazi, Filippo
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August 2018
Hughes, Richard J.
10a5f532-eadd-4d68-802f-abe179929f40
Franck, Andreas
fa179b73-6a83-4c42-b300-81f1dfe9ef6d
Cox, Trevor
6dea7c8d-2c1a-4928-a2b4-720d30a34250
Shirley, Ben G.
3aa09264-3c3b-4a7b-a2a7-c238f1920069
Fazi, Filippo
e5aefc08-ab45-47c1-ad69-c3f12d07d807
Hughes, Richard J., Franck, Andreas, Cox, Trevor, Shirley, Ben G. and Fazi, Filippo
(2018)
Dual frequency band amplitude panning for multichannel audio systems.
Audio Engineering Society Conference on Spatial Reproduction, , Tokyo, Japan.
06 - 09 Aug 2018.
10 pp
.
Record type:
Conference or Workshop Item
(Paper)
Abstract
Panning laws for multi-loudspeaker setups, for example vector base amplitude panning, are typically derived based on either low or high frequency assumptions. It is well known, however, that auditory cues for both localization and loudness differ at these frequencies. This paper investigates the use of dual-band panning, whereby low and high frequency gains and normalization are applied separately. Single- and dual-band rendering algorithms are described, with predicted theoretical localization, spectral balance, and source extent cues given. A multiple stimulus test is described, performed for a number of trajectories rendered to a periphonic nine-loudspeaker ITU-R BS.2051-1 setup, with rated attributes based on predicted sources of error. Results are reported, detailing differences between both theoretical predictions and systems under test.
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Published date: August 2018
Venue - Dates:
Audio Engineering Society Conference on Spatial Reproduction, , Tokyo, Japan, 2018-08-06 - 2018-08-09
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Local EPrints ID: 425681
URI: http://eprints.soton.ac.uk/id/eprint/425681
PURE UUID: 71f21945-d5c0-48e4-bd92-0fd9dc14a046
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Date deposited: 31 Oct 2018 17:30
Last modified: 16 Mar 2024 03:59
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Contributors
Author:
Richard J. Hughes
Author:
Andreas Franck
Author:
Trevor Cox
Author:
Ben G. Shirley
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