I've spent the last three days trying to get ripped dvd's to playback either streaming or via external USB drive, and all worked well, except I only got 2-channel audio.

I feel like an idiot, but I've just discovered that my PS3 is only outputting 2-channel regardless of the media. DVD's, Blu-Ray...anything I give it...comes out 2-channel.

It was working fine a while back, I don't know exactly when this became an issue.

BD/DVD audio outputs are set to 'bitstream'. (I've tried both bitstream and linear PCM).

The video portion of my PS3 is hooked directly to my TV via HDMI, the audio is connected to my receiver via optical. Like I said, this is a new issue. I don't know what happend.

With it outputting 'bitstream', my Denon locks on to a dolby digital signal, but again, only outputs 2-channel.

Any ideas?

Thanks!