Poster: Spatial misregistration of virtual human audio: Implications of the precedence effect

David M. Krum, Evan A. Suma, Mark Bolas

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Virtual humans are often presented as mixed reality characters projected onto screens that are blended into a physical setting. Stereo loudspeakers to the left and right of the screen are typically used for virtual human audio. Unfortunately, stereo pairs can produce an effect known as precedence, which causes users standing close to a particular loudspeaker to perceive a collapse of the stereo sound to that singular loudspeaker. We studied if this effect might degrade the presentation of a virtual character, or if this would be prevented by the ventriloquism effect. Our results demonstrate that from viewing distances common to virtual human scenarios, a movement equivalent to a single stride can induce a stereo collapse, creating conflicting perceived locations of the virtual human's voice. Users also expressed a preference for a sound source collocated with the virtual human's mouth rather than a stereo pair. These results provide several design implications for virtual human display systems.

Original languageEnglish (US)
Title of host publicationIEEE Symposium on 3D User Interfaces 2012, 3DUI 2012 - Proceedings
Pages147-148
Number of pages2
DOIs
StatePublished - May 14 2012
Externally publishedYes
Event7th International IEEE Symposium on 3D User Interfaces 2012, 3DUI 2012 - Costa Mesa, CA, United States
Duration: Mar 4 2012Mar 5 2012

Publication series

NameIEEE Symposium on 3D User Interfaces 2012, 3DUI 2012 - Proceedings

Other

Other7th International IEEE Symposium on 3D User Interfaces 2012, 3DUI 2012
CountryUnited States
CityCosta Mesa, CA
Period3/4/123/5/12

Keywords

  • B.4.2 [Input/Output and Data Communications]: Input/Output Devices Voice
  • H.5.1 [Information Systems]: Multimedia Information Systems Artificial, augmented, and virtual realities

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    Krum, D. M., Suma, E. A., & Bolas, M. (2012). Poster: Spatial misregistration of virtual human audio: Implications of the precedence effect. In IEEE Symposium on 3D User Interfaces 2012, 3DUI 2012 - Proceedings (pp. 147-148). [6184204] (IEEE Symposium on 3D User Interfaces 2012, 3DUI 2012 - Proceedings). https://doi.org/10.1109/3DUI.2012.6184204