In this paper, we propose the Virtual-Ensemble System using a three-dimensional sound-?eld reproduction system based on the boundary-surface control (BoSC) principle. The BoSC system consists of an 80-ch fullerene-shaped microphone array and an immersive sound-reproduction system mounted with 96-ch loudspeakers, referred to as a “Sound Cask”, and it provides high-performance sound localization, thus high acoustic reality compared to the conventional sound reproduction system. As one useful application, a sound-?eld simulator system is proposed, in which a musician can play a musical instrument inside the system to achieve the feeling of a concert-hall-like space. In addition, we are expanding the BoSC system to the "sound-?eld sharing system" by acoustically connecting two sound casks, refers to as “virtual-ensemble system”, so that player A and B can share a sense of being in the same concert hall for creating and exchanging music.

Authors: Watanabe, Yuko; Fukuda, Tomoya; Sasaki, Rina; Iwai, Shin;Ise, Shiro
Affiliation: Tokyo Denki University
AES Conference: 2018 AES International Conference on Spatial Reproduction - Aesthetics and Science (July 2018)
Paper Number: EB2-12
Publication Date: July 30, 2018
Session Subject: boundary-surface control principle; 3D-immersive sound reproduction; sound-field simulation; stage acoustics; ensemble system

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