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Auditory Presence, Individualized Head-Related Transfer Functions, and Illusory Ego-Motion in Virtual Environments

Aleksander Väljamäe (Institutionen för teknisk akustik, Rumsakustik ; Institutionen för signaler och system, Kommunikationssystem) ; Pontus Larsson (Institutionen för teknisk akustik, Rumsakustik) ; Daniel Västfjäll (Institutionen för teknisk akustik, Rumsakustik) ; Mendel Kleiner (Institutionen för teknisk akustik, Rumsakustik)
Proc. of 7th Annual Workshop Presence (2004)
[Konferensbidrag, refereegranskat]

It is likely that experiences of presence and self-motion elicited by binaurally simulated and reproduced rotating sound fields can be degraded by the artifacts caused by the use of generic Head-Related Transfer Functions (HRTFs). In this paper, an HRTF measurement system which allows for fast data collection is discussed. Furthermore, effects of generic vs. individualized HRTFs were investigated in an experiment. Results show a significant increase in presence ratings of individualized binaural stimuli compared to responses to stimuli processed with generic HRTFs. Additionally, differences in intensity and convincingness of illusory self-rotation ratings were found for sub-groups of subjects, formed on the basis of subjects’ localization performance with the given HRTFs catalogues.

Nyckelord: Virtual Reality, Virtual Acoustic Space, Presence



Denna post skapades 2006-09-28.
CPL Pubid: 18536

 

Institutioner (Chalmers)

Institutionen för teknisk akustik, Rumsakustik (1900-2004)
Institutionen för signaler och system, Kommunikationssystem

Ämnesområden

Annan samhällsbyggnadsteknik

Chalmers infrastruktur