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Binaural reproduction capability for multiple off-axis listeners based on the optimal source distribution principle

Binaural reproduction capability for multiple off-axis listeners based on the optimal source distribution principle
Binaural reproduction capability for multiple off-axis listeners based on the optimal source distribution principle

This paper presents a theoretical, analytical and experimental studies for synthesizing virtual auditory space to multiple listeners using binaural synthesis over two-channel loudspeakers. The optimal source distribution (OPSODIS) improves many of the problems arising with the binaural reproduction over loudspeakers. The principle utilizes the idea of a pair of conceptual monopole transducers whose azimuthal location varies continuously as a function of frequency. In this paper, theoretical considerations under free-field conditions and numerical calculations including the effect of head related transfer functions for off-axis listeners are presented. It is revealed that the OPSODIS can also provide the same binaural signals as for the on-axis target listener to the ears of multiple off-axis listeners.

Yairi, Motoki
8b7dbc9e-89ca-444a-89ca-0c5d7eb155f8
Takeuchi, Takashi
a6fdabdd-cd1d-4fcd-a43b-cd8bcfa738a6
Holland, Keith
90dd842b-e3c8-45bb-865e-3e7da77ec703
Yairi, Motoki
8b7dbc9e-89ca-444a-89ca-0c5d7eb155f8
Takeuchi, Takashi
a6fdabdd-cd1d-4fcd-a43b-cd8bcfa738a6
Holland, Keith
90dd842b-e3c8-45bb-865e-3e7da77ec703

Yairi, Motoki, Takeuchi, Takashi and Holland, Keith (2019) Binaural reproduction capability for multiple off-axis listeners based on the optimal source distribution principle. 2019 AES International Conference on Immersive and Interactive Audio: Creating the Next Dimension of Sound Experience, York, United Kingdom. 27 - 29 Mar 2019.

Record type: Conference or Workshop Item (Paper)

Abstract

This paper presents a theoretical, analytical and experimental studies for synthesizing virtual auditory space to multiple listeners using binaural synthesis over two-channel loudspeakers. The optimal source distribution (OPSODIS) improves many of the problems arising with the binaural reproduction over loudspeakers. The principle utilizes the idea of a pair of conceptual monopole transducers whose azimuthal location varies continuously as a function of frequency. In this paper, theoretical considerations under free-field conditions and numerical calculations including the effect of head related transfer functions for off-axis listeners are presented. It is revealed that the OPSODIS can also provide the same binaural signals as for the on-axis target listener to the ears of multiple off-axis listeners.

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More information

Published date: 27 March 2019
Venue - Dates: 2019 AES International Conference on Immersive and Interactive Audio: Creating the Next Dimension of Sound Experience, York, United Kingdom, 2019-03-27 - 2019-03-29

Identifiers

Local EPrints ID: 432318
URI: https://eprints.soton.ac.uk/id/eprint/432318
PURE UUID: ec85ea3a-db89-4103-b2d3-520550c7a95f
ORCID for Keith Holland: ORCID iD orcid.org/0000-0001-7439-2375

Catalogue record

Date deposited: 10 Jul 2019 16:30
Last modified: 31 Jul 2019 00:53

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Contributors

Author: Motoki Yairi
Author: Keith Holland ORCID iD

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