Hey JavaLawyer, I'm not sure what your connection is with DLink, but you seem to be the only person who posts consistently, and you seem to at least maybe know someone at DLink.
I'm a software developer and I've written support for a slew of the netcams out there, and just recently I added support for the DCS-932L to one of the libraries I'm responsible for. In the process of verifying the mjpeg implementation, I also decided to support audio for the camera (which is trivial, it's just serviced by another HTTP request, for those interested, it's just "/audio.cgi"). I did run across one thing that I found interesting - the audio is nothing special, just run of the mill PCM data, single channel, 16000 hz, 16 bit samples... But this is the interesting part - the webserver streams audio whether or not it's muted, you can toggle it on and off and hear it - but the really interesting part is that all the audio artifacts that people are complaining about are present whether or not audio is being played back. To be clear, with no audio present from the camera, if it were streaming silence, I would expect silence - but instead I hear the pops and static people talk about. To me, this would indicate that the issue is definitely in software, and not some hardware issue that couldn't be solved.
I'd love to hear your thoughts on this, because it's a great camera with the only real fail in my book being the audio.