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A Virtual Reality Sound System Using Room-Related Transfer Functions Delivered Through a Multispeaker Array: the PSFC at the University of Aizu Multimedia Center

  • The PSFC, or Pioneer Sound Field Controller, is a DSP-driven hemispherical loudspeaker array, installed at the University of Aizu Multimedia Center. The PSFC features realtime manipulation of the primary components of sound spatialization for each of two audio sources located in a virtual environment, including the content (apparent direction and distance) and context (room characteristics: reverberation level, room size and liveness). In an alternate mode, it can also direct the destination of the two separate input signals across 14 loudspeakers, manipulating the direction of the virtual sound sources with no control over apparent distance other than that afforded by source loudness (including no simulated environmental reflections or reverberation). The PSFC speaker dome is about 10 m in diameter, accommodating about fifty simultaneous users, including about twenty users comfortably standing or sitting near its ``sweet spot,'' the area in which the illusions of sound spatializationThe PSFC, or Pioneer Sound Field Controller, is a DSP-driven hemispherical loudspeaker array, installed at the University of Aizu Multimedia Center. The PSFC features realtime manipulation of the primary components of sound spatialization for each of two audio sources located in a virtual environment, including the content (apparent direction and distance) and context (room characteristics: reverberation level, room size and liveness). In an alternate mode, it can also direct the destination of the two separate input signals across 14 loudspeakers, manipulating the direction of the virtual sound sources with no control over apparent distance other than that afforded by source loudness (including no simulated environmental reflections or reverberation). The PSFC speaker dome is about 10 m in diameter, accommodating about fifty simultaneous users, including about twenty users comfortably standing or sitting near its ``sweet spot,'' the area in which the illusions of sound spatialization are most vivid. Collocated with a large screen rear-projection stereographic display, the PSFC is intended for advanced multimedia and virtual reality applications.show moreshow less

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Metadaten
Author:Katsumi Amano, Fumio Matsushita, Hirofumi Yanagawa, Michael Cohen, Jens HerderORCiDGND, William Martens, Yoshiharu Koba, Mikio Tohyama
open access (DINI-Set):open_access
open access :Bronze - frei zugänglich aber ohne Lizenzhinweis, d.h. keine Weitergabe
Fachbereich/Einrichtung:Hochschule Düsseldorf / Fachbereich - Medien
Hochschule Düsseldorf / Fachbereich - Medien / Sound and Vibration Engineering​
Hochschule Düsseldorf / Fachbereich - Medien / Creative Media Production and Entertainment Computing
Document Type:Article
Year of Completion:1998
Language of Publication:English
Publisher:J-STAGE
Parent Title (English):TVRSJ
Volume:3
Issue:1
First Page:1
Last Page:12
DOI:https://doi.org/10.18974/tvrsj.3.1_1
Tag:audio signal processing, audio telecommunications; auralization; calm technology; directional mixing console; multichannel sound reproduction; room-related transfer functions; roomware; sound localization; virtual conferencing environment
Licence (German):keine Lizenz - nur Metadaten
Release Date:2019/02/15
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