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Proceedings Paper

Is audio useful in immersive visualization?
Author(s): Matti Grohn
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Paper Abstract

In this article I provide from localization experiments in virtual environment. I define common tasks (orientation, localization, and navigation) in immersive visualization. The above mentioned tasks will be examined with user tests. Two localization experiments have been accomplished. In the first localization experiment the localization accuracy was significantly better (p<<0.01 in ANOVA) with loudspeaker reproduction than with headphone reproduction (nonindividualized HRTF's). The second experiment indicated, that localization accuracy is depending on signal (P<<0.01 in ANOVA). Although the absolute lower limit for auditory localization accuracy in front is one degree for the azimuth, the reality is much worse. For example the screens and room reverberation deteriorate loudspeaker reproduction accuracy. Current results suggest that at least in some tasks the audio is useful addition to immersive visualization tasks.

Paper Details

Date Published: 23 May 2002
PDF: 11 pages
Proc. SPIE 4660, Stereoscopic Displays and Virtual Reality Systems IX, (23 May 2002); doi: 10.1117/12.468058
Show Author Affiliations
Matti Grohn, Helsinki Univ. of Technology (Finland)

Published in SPIE Proceedings Vol. 4660:
Stereoscopic Displays and Virtual Reality Systems IX
Mark T. Bolas; Andrew J. Woods; John O. Merritt; Stephen A. Benton; Mark T. Bolas, Editor(s)

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