I'm getting a bit obsessed with the Web Audio API just now. That's not a bad thing, of course, I just wish the browsers would all catch up.
Ages ago, I mentioned the SoundScape maps mashup Max and I made at the 5apps hackathon. Finally, here's the video of the two of us presenting it at a Nokia Berlin Tech Talk.
This goes along with the series of Web Audio API introductory tutorials I'm writing over at CreativeJS.