The CAVE2 is a large scale, 320 degree, 3D / 2D virtual reality environment featuring motion capture technology and located in the Electronic Visualization Laboratory at the University of Illinois at Chicago. The environment includes a 20.2 channel sound system controlled by a SuperCollider based audio server that is, in turn, controlled via the proprietary Omicron SoundAPI. Audio imaging for the system had operated with the assumption that the listener was stationary in the center of the CAVE2 and spatial extent was not dynamically altered. Our team added functionality to maintain audio imaging, including source position and width, as a tracked user and sound object move relative to one another within the environment.
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