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SimpleTEXT is a collaborative audio/visual public performance that relies on audience participation through input from mobile devices such as phones, PDAs or laptops. SimpleTEXT focuses on dynamic input from participants as essential to the overall output. The performance creates a dialogue between participants who submit messages which control the audiovisual output of the installation. These messages are first parsed according to a code that dictates how the music is created, and then rhythmically drive a speech synthesizer and a picture synthesizer in order to create a compelling, collaborative audiovisual performance. SimpleTEXT was originally funded by a commission from Low-Fi, a new media arts organization based in the UK.

(Source: http://www.coin-operated.com/2010/05/01/simpletext-2003/)