this post was submitted on 21 Jun 2023
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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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[–] Faceman2K23@discuss.tchncs.de 1 points 2 years ago

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.