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In Silhouette the motion of visitors is sensed
and turned into sound. Using a form of ultrasonic radar, the piece produces
a sound that is a direct audio analogue to the physical movement that
occurs within the scope of the radar. There are several zones of activity,
and each has it's own sonic signature - a result of digital filtering
applied to the signal generated by the movement of the visitor. As a
visitor moves through the piece these zones reveal themselves, and the
aural topography of the piece emerges with continued interaction. Silhouette
serves as an acoustic mirror to and an articulation of the living presence
everyday motion.
Installation view at the Bay
Area Discovery Museum (April, 1999). Mixed media, custom electronics,
sound (10 x 10 x 10 ft.).
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