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New 2021 Apple TV 4K not playing Dolby Atmos with Sonos Arc

I am unable to play Atmos with the new Apple TV 4K.

Anyone else having this problem?

Audio Format only shows Dolby Digital 5.1 or Stereo

Posted on May 21, 2021 4:42 PM

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Posted on Jul 8, 2021 9:21 PM

I'm feeding the ATMOS from the basement where my Apple TV is through Crestron NVX and then into the TV. I believe the ATMOS comes through fine, but it doesn't go into the TV and get processed - hence no sound.


I can play ATMOS through the TV's Google interface though. So, you may be onto something there.


I have both XBR55A8H, and XBR55A8H.


But then in the basement I have a computer with an NVIDA card that will put out the ATMOS Sound, but the sound doesn't come out of the Marantz Receiver. I get 7.1 to work, but not ATMOS sound.


There is some question on my end how the NVX endpoints move the sound and that they might be sensing a lack of NVX support somewhere which then causes them to not send it -- I'm not clear on that. I just know that ATMOS Sound results in no sound, and that the Apple TV will only give me 5.1 when I select it.

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New 2021 Apple TV 4K not playing Dolby Atmos with Sonos Arc

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