Opens in a new tab

AES E-Library

← Back to search

Conference Paper Open Access

Tesseral Array for Group Based Spatial Audio Capture and Synthesis

Authors: Tanabe, Yosuke; Yamauchi, Genta; Atsushi, Marui; Kamekawa, Toru

AES Conference: 2020 AES International Conference on Audio for Virtual and Augmented Reality (August 2020) · Paper 2-7 · August 2020

Abstract

We propose a microphone and loudspeaker array called the “tesseral array” that uses a tesseral crystal for spatial audio capture and synthesis. Because of the high symmetry of the array in terms of the position of microphones and loudspeakers, the rotation and reflection of the spatial sound field can be represented by simple matrix operations based on group theory without the encoding and decoding of spherical functions. We present a 26-channel array having 48 symmetry operations in which microphones and loudspeakers are positioned on the vertices of a cuboctahedron and its dual rhombic dodecahedron.

Details

Published in
AES Conference: 2020 AES International Conference on Audio for Virtual and Augmented Reality (August 2020)
Paper number
2-7
Publication date
August 6, 2020
Affiliation
Hitachi, Ltd.; Tokyo University of the Arts (See document for exact affiliation information.)
Type
Conference Paper