Hello my Sonos arc within the last month started reading multi channel pcm instead of dolby digital 5.1. The sound quality is not as vibrant as with dollby digital since day 1 of owning always read DD. I have a Sony A80j arc sonos sub and 2 surrounds hooked up with sonos amp. Not sure if an update has caused this problem or if its an apple tv problem but weird since it has always read DD. Any insight would be greatly appreciated.
Best answer by GuitarSuperstar
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