I don't want to get myself into NDA trouble (informal as it may be); hopefully this is okay to post (but, it's mostly good)...
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halfelite & @ alanisrox693D, subs in current-gen Q5 and new Q10 Pro look exactly the same; seem fine to me (based on examples above):
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wesk05, when I play the 'Akira' clip w/LPCM mode, I get no audio. However, LPCM from '3:10 to Yuma' & other BD's I have pass fine as multichannel 5.1 or 7.1. And, the FLAC 5.1 96kHz-24bit clip passed fine as well. My Denon AVR's 'Info' on-screen display only indicated that all 6 channels were active, but the front LCD panel showed 96kHz and 'multich'.
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alanisrox69, here are the results for your MPEG2 samples:
> 29.97 4-2-0 H.264 1080i 26mbps DTS-HD MA 2.0 Sample = Perfect A/V playback
> 29.97 4-2-0 MPEG2 1080i 35mbps DTS-HD MA 5.1 Sample = Perfect A/V playback
> 59.94 4-2-0 MPEG2 720p 20mbps MPA2.0 Sample = Perfect A/V playback
> 29.97 4-2-2 MPEG2 1080i 27mbps DTS-HD MA 5.1 Sample = No picture, audio fine (think I conveyed this before)