Normally I select bitstream for hdmi output and pcm for audio format but I have bluray player setup to output pcm because it sounds better when the tv doesnt have to process the audio.
That dolby test tones file was playing loud and clear 5.1 separate channels before when surrounds were silent from other sources.
If i select PCM as audio format, channels are a mess when i'm playing Frauhoffer dolby test file from the tv.
Sure it sounds loud, but it's not a real surround.
No update yet Robbie.
I am sure this has been mentioned many times but PCM multi channel will not get passed through the TV to the sound bar. Only 2 channel PCM can. You must use bitstream. Also the K650 does not accept multi channel PCM. Its in the specs and I have double checked this by out putting PCM directly into the soundbar via Hdmi.