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Multichannel compensated amplitude panning, an adaptive object-based reproduction method

Multichannel compensated amplitude panning, an adaptive object-based reproduction method
Multichannel compensated amplitude panning, an adaptive object-based reproduction method
Conventional approaches for surround sound panning require loudspeakers to be distributed over the regions where images are required. However in many listening situations it is not practical or desirable to place loudspeakers in some positions, such as behind or above the listener. Compensated Amplitude Panning (CAP) is an object-based reproduction method that adapts dynamically to the listener’s head orientation to provide stable images in any direction,
including behind and above. This is achieved by producing accurate dynamic Inter-aural Time Difference (ITD) cues. Here CAP is extended for more than two loudspeakers. Adding one or more loudspeakers allows the radiated energy and cancellation error to be reduced dramatically for some configurations. The multichannel CAP method is also compared with Ambisonic reproduction.
1549-4950
1-8
Menzies-gow, Robert D
0cc76abc-8a10-4b7f-96e5-56eceb0b2c5c
Fazi, Filippo
e5aefc08-ab45-47c1-ad69-c3f12d07d807
Menzies-gow, Robert D
0cc76abc-8a10-4b7f-96e5-56eceb0b2c5c
Fazi, Filippo
e5aefc08-ab45-47c1-ad69-c3f12d07d807

Menzies-gow, Robert D and Fazi, Filippo (2019) Multichannel compensated amplitude panning, an adaptive object-based reproduction method. Journal of the Audio Engineering Society, 67 (7/8), 1-8. (doi:10.17743/jaes.2019.0029).

Record type: Article

Abstract

Conventional approaches for surround sound panning require loudspeakers to be distributed over the regions where images are required. However in many listening situations it is not practical or desirable to place loudspeakers in some positions, such as behind or above the listener. Compensated Amplitude Panning (CAP) is an object-based reproduction method that adapts dynamically to the listener’s head orientation to provide stable images in any direction,
including behind and above. This is achieved by producing accurate dynamic Inter-aural Time Difference (ITD) cues. Here CAP is extended for more than two loudspeakers. Adding one or more loudspeakers allows the radiated energy and cancellation error to be reduced dramatically for some configurations. The multichannel CAP method is also compared with Ambisonic reproduction.

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e-pub ahead of print date: 1 July 2019

Identifiers

Local EPrints ID: 432463
URI: http://eprints.soton.ac.uk/id/eprint/432463
ISSN: 1549-4950
PURE UUID: 48850970-e1c2-43e0-9af2-32433fe4b05b
ORCID for Robert D Menzies-gow: ORCID iD orcid.org/0000-0003-1475-8798

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Date deposited: 16 Jul 2019 16:30
Last modified: 22 Nov 2021 07:31

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