That seems like kind of an odd oversight. Although it's a pretty inefficient format. Perhaps it would be useful for playing waveforms generated via data: urls on the client. Hey, wouldn't it be better to just allow js to pass byte buffers into it? - Joel Webber

Yes, I'd prefer that video/audio supported the same as Canvas, that is, the ability to get data out, modify it, and pass data back, but currently, PCM data uris are the only way. - Ray Cromwell

http://code.google.com/p... my friend. crbug.com if you are into the whole brevity thing. - James Robinson