“The experimental audio data API allows the programmer to access raw audio data and a processed FFT spectrum of the currently playing audio data through the HTML5 audio tag.”

“The audio data API was specifically created to allow JavaScript audio visualization, but will certainly also be useful for many other use cases.”

Created by Thomas Sturm

“Using David Humphrey’s (@humphd) experimental Firefox build which reveals the audio frame buffers to javascript and then visualizing with processing.js.”

Found At:  ajaxian.com