
Pictured above:
"Jaime Oliver's Silent Drum uses a technique somewhat akin to shadow puppetry to create stunning and engaging music.
As his fingers press the flexible drum head, it forms black shapes in front of a white background. Those get picked up by a video camera and piped to a laptop where Max/MSP software turns the shapes into sound in real time.
The patches are pre-programmed, but Oliver's analog, light-based interface offers a surprisingly expressive range and precision. The judges were impressed; Silent Drum took home the $5,000 first prize."
Silent Drum Controller - Demo02
YouTube via jaiolix
"Demo02 - improvisations on 5 environments of the Silent Drum Controller.
for the latest piece visit: http://www.realidadvisual.org/jaimeol...
for more info on the controller visit: http://www.realidadvisual.org/jaimeol..."

As the teeth of the engine's gears travel at varying speeds past pick-ups that normally detect piston position, they generate tones that can be controlled with a keyboard. The third component, pictured to the left of the keyboard in the photo, is the voltage-controlled amplifier (VCA) that makes up for relative discrepancies in volume.
Perschy said his goal was to play the gears in a motor the same way that a Hammond organ plays its spinning tone wheels. The VCA module wasn't working when we made the recording below, an apparent victim of rough travel, but this was still a fascinating display."
Craig Hanson and Mike Gao
Be sure to see the Wired gallery for more. via CDM who held a similar contest "judged by drum machine pioneer Roger Linn and the members of tech-loving band Freezepop" See the post for more.
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