From the title, the concept doesn't sound particularly interesting but, after listening to a few different algorithms, the strengths and weakness of each become apparent in their contrast. As Jason Kottke put it "I feel like Homer Simpson when he first saw the drinking bird."
The thought of a JS implementation of PureData is exciting; the other examples are equally worth a look. The W3C has started the Audio Incubator Working Group as a means to begin standardization.