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Audio-visual discrepancy and the influence on vertical sound source localization

 
: Werner, S.; Liebetrau, J.; Sporer, T.

:

IEEE Signal Processing Society:
Fourth International Workshop on Quality of Multimedia Experience, QoMEX 2012 : Melbourne, Australia, 5 - 7 July 2012
Piscataway: IEEE, 2012
ISBN: 978-1-4673-0724-6
ISBN: 978-1-4673-0725-3
pp.133-139
International Workshop on Quality of Multimedia Experience (QoMEX) <4, 2012, Melbourne>
English
Conference Paper
Fraunhofer IDMT ()

Abstract
Human audio perception is influenced by vision and vice versa. The effect and thresholds of perceptual fusion, for example the ventriloquism-effect, are well investigated for natural listening conditions in the horizontal plane. Modern reproduction approaches for realistic spatial audio, e.g. binaural reproduction, promise more realistic sound reproduction, though, including proper perception of direction, distance, and elevation. This raises the question if the thresholds of perceptual fusion in audio reproduction systems that consider elevation are the same as in natural listening conditions. To estimate the influence of audiovisual discrepancy on vertical sound source localization via binaural headphones, two experiments were conducted. Results show an effect of similar magnitude for the vertical and horizontal plane.

: http://publica.fraunhofer.de/documents/N-254387.html