** http://ondras.zarovi.cz/demos/audio/
* Beat Detection (also showing use of WebGL for 3D visualizations)
** http://cubicvr.org/CubicVR.js/BeatDetektor1HD.html (video [http://vimeo.com/11345262 here])
** http://cubicvr.org/CubicVR.js/BeatDetektor2HD.html (video [http://vimeo.com/11345685 here])
** http://weare.buildingsky.net/processing/beat_detektor/beat_detektor.html
** http://code.bocoup.com/processing-js/3d-fft/viz.xhtml