This is something that ThePasch and I have talked about, though he'd be more qualified to speak to the details.
We were planning on switching the program we used to handle sound in AAO, but it wasn't working correctly in Firefox, so we're staying with our current system longer.
[D]isordered speech is not so much injury to the lips that give it forth, as to the disproportion and incoherence of things in themselves, so negligently expressed. ~ Ben Jonson
Current AAO Development Priority: Issue #94: Grayscale Mode