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.

Authors: Yairi, Motoki; Takeuchi, Takashi; Holland, Keith
Affiliations: Kajima Technical Research Institute, Chofu, Tokyo, Japan; University of Southampton, Southampton, UK; University of Southampton, Southampton, UK(See document for exact affiliation information.)
AES Conference: 2019 AES International Conference on Immersive and Interactive Audio (March 2019)
Paper Number: 20
Publication Date: March 17, 2019

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