Audio engineering Higher Order Ambisonic (HOA) reproduction
Issue Date:
2010
Publisher:
IRCAM (Institut de Recherche et Coordination Acoustique/Musique)
Citation:
Gavin Kearney, Marcin Gorzel, Frank Boland, Henry Rice, Depth Perception in Interactive Virtual Acoustic Environments using Higher Order Ambisonic Soundfields, Proceedings of the Second International Symposium on Ambisonics and Spherical Acoustics, Second International Symposium on Ambisonics and Spherical Acoustics, Paris, France, 6-7 May, 2010, Markus Noisternig and Nicolas Misdariis, IRCAM (Institut de Recherche et Coordination Acoustique/Musique), 2010
Abstract:
In this paper, we present an investigation into the perception of source depth in interactive virtual auditory environments in the context of Higher Order Ambisonic (HOA) reproduction. In particular, we investigate the accuracy of soundfield reproduction over virtual loudspeakers (headphone reproduction) with increasing Ambisonic order. Performance of 1st, 2nd and 3rd order Ambisonics in representing distance cues is assessed in subjective audio perception tests. Results demonstrate that first order soundfields are sufficient in representing distance cues for virtual loudspeaker reproduction.
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