The Convolvotron is a fast DSP, which can process four separate sources of stereo audio to produce spatialized sound in an anechoic model, or one source in a model that has echoes off six virtual walls. The echoic model is good enough that blind people can navigate around a virtual space by the sound alone, stopping anches in front of the virtual walls!
Additional effects can be programmed as well, including Doppler shift of moving sources, and the atmospheric "coloration" from sounds traveling long distances through the air. We used four Convolotrons in Placeholder, giving a total of 16 independent sound sources - at the time, the largest use of spatialized sound ever done outside of military simulations.
You can contact Crystal River Engineering at:
Crystal River Engineering
490 California Avenue, Suite 200
Palo Alto, CA 94306
(415)-323-8155
email: info@cre.com
World Wide Web: http://www.cre.com
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