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

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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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