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Plex and Dolby Atmos (lemmy.fmhy.ml)

submitted 1 year ago by [email protected] to c/[email protected]

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Hey guys, I've used plex in my home for a while but decided to share my collection with a friend. It seems that even when I can get plex to do a direct stream, it still transcodes the audio and he only gets 7.1 channel audio instead of dolby atmos.

Any idea what setting I've got wrong? The file I tested was one I had ran through handbrake, ensuring that I left passthru enabled.

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[–] [email protected] 3 points 1 year ago (1 children)

Even if the client supports Atmos, there are more variables.

Is it connected directly to a receiver or is it to the TV then ARC out ? some atmos can work through that but only compressed EAC3 atmos over E-ARC, not super reliable and depends on the TV and sound system.

If it's a built in app, most of them have no atmos support what so ever, though I think EAC3 atmos is supported on a couple of platforms, and only EAC3 compressed atmos, and in those cases it may be apps like netflix, prime, disney etc only, not third party apps like plex.

[–] [email protected] 3 points 1 year ago (1 children)

Ah. This might make sense. He's using an apple TV and can get atmos with other services. I also use apple TV and get atmos on my home network. But he isn't when its an indirect connection.

[–] [email protected] 2 points 1 year ago

Plex on AppleTV is known for not supporting Atmos pass through. I have never actually tried it because I don’t have Atmos at home, but most common suggestion is to pay for Infuse on AppleTV