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Synthesis of virtual motion in 3D auditory space

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4 Author(s)
Jenison, R.L. ; Dept. of Physiol., Wisconsin Univ., Madison, WI, USA ; Neelon, M.F. ; Reale, R.A. ; Brugge, J.F.

This paper introduces a novel approach to the synthesis of acoustic waveforms that mimic those present near the eardrums of a listener when a sound source is moving through three-dimensional (3D) space. The approach combines well-known physical and biophysical sound-location cues into a discrete synthesis system. Physical cues include both the dependence of intensity on distance from the sound source and the Doppler effect. Biophysical features include the direction-dependent transfer functions imposed by a listener's head and ears and interaural time differences. This technique requires very little computer-disk storage since it relies on low-dimensional functional models that relate cue values to arbitrary locations in a virtual acoustic space

Published in:

Engineering in Medicine and Biology Society, 1998. Proceedings of the 20th Annual International Conference of the IEEE  (Volume:3 )

Date of Conference:

29 Oct-1 Nov 1998