As if the hand-cranked hurdy gurdy wasn't a strange and wondrous instrument already, Berlin-based sound artist Derek Holzer has built one that eats light and spits out glorious waves of distortion and noise. The instrument was built in October for the Acces(s) Festival in France as an adaption of his previous project, Tonewheels , which uses spinning optical discs imprinted with waveform patterns to generate sound. As with all Holzer's projects, there's no computer anywhere in the mix: just the spinning optical wheel, light and pressure sensors connected to custom-built circuitry, and a row of knobs controlling filter sweeps and distortion.
It's a throwback to vintage optical instruments, a decidedly fringe strain of music-making...
via The Verge - All Posts http://www.theverge.com/2012/12/27/3808222/derek-holzer-optical-hurdy-gurdy-hand-cranks-light-into-sound
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