This is the new project we're working on. The "spectral transducer". It's a sound to light circuit that we will be selling as a kit or pcb and will be completely open source. 
Below is a video of the SD processing the <a href="http://casperelectronics.com/finished-pieces/drone-lab/drone-lab-v2/">DroneLab</a>. They make a nice pair!<p><object width="480" height="385"><param name="movie" value="http://www.youtube.com/v/qAMaoAOsTHk?fs=1&amp;hl=en_US"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/qAMaoAOsTHk?fs=1&amp;hl=en_US" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="480" height="385"></embed></object><br>
and below... some Daft Punk. the above video is a bit quiet and the one below is a bit loud, or just right depending on how you look at it. in any case volume adjustment may be necessary. You've been warned.<br>
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