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HSD

Hochschule Düsseldorf
University of Applied Sciences


FB5

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Faculty of Media

Labor für Virtuelles Studio / Virtuelle Realität



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

Katsumi Amano, Fumio Matsushita, Hirofumi Yanagawa, Michael Cohen, Jens Herder, William Martens, Yoshiharu Koba, and Mikio Tohyama. A Virtual Reality Sound System Using Room-Related Transfer Functions Delivered Through a Multispeaker Array: the PSFC at the University of Aizu Multimedia Center, TVRSJ: Trans. of the Virtual Reality Society of Japan, Vol. 3, No. 1, pp. 1-12, March 1998.

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 spatialization are most vivid. Collocated with a large screen rear-projection stereographic display, the PSFC is intended for advanced multimedia and virtual reality applications.

Keywords:

audio signal processing, audio telecommunications, auralization, calm technology, directional mixing console, multichannel sound reproduction, room-related transfer functions, roomware, sound localization, virtual conferencing environment

VirtuellesStudio

HSD FB 5 VSVR

18.11.2013

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