I have just purchased Panasonic DP-UB9000 Region Free Blu-ray Player . When I try to play a 4k movie I get zero sound. The streaming apps all have sound. DVDs also have sound. 4ks zip.
Answered
4k blu-rays have no sound on Arc Ultra
The system will play a soft signal over the rears when receiving a stereo signal. Probably isn’t Dolby Pro-logic though.
To me this has always been the case, but it might have been introduced somewhere before 2019 - my first Sonos device was bought late 2018.
no, this was quite noticeable. Never heard much if any up mixing before hand. A proper surround mix.
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