Answered

Sonos ARC Sound Drops Using Apple TV 4K with Samsung TV QN85

  • 14 January 2022
  • 4 replies
  • 3563 views
I

I recently purchased a Samsung 75" Class - QN85 Series - 4K UHD Neo QLED LCD TV and a Sonos ARC SL at Costco, set everything up as indicated. Sounded terrific. Really excited and pleased. When I switched the input source to the Apple TV 4K (the latest version of the Apple TV), everything was fine and audible, no issues. I could hear the clicking, the apps opening and such. When I went to watch a preview or trailer on Netflix, Apple TV, or other content providers through the Apple TV, still good, but when I went to play the actual content, such as a movie or an episode from a series, the sound cuts out and only works after I either unplug/plug the power cable from the Sonos ARC or jog the input or the play/pause, app in/out until the audio works. This has been an issue since I hooked up the system less than two months ago. Please provide guidance on a fix. I’m really frustrated and disappointed.

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Best answer by GuitarSuperstar 14 January 2022, 15:57

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4 replies

W

The Dolby DIgital 5.1 workaround is a great “workaround”, does anyone know if Sonos is addressing this with a firmware update?

It’s not about Sonos. It is about Samsung TVs (even the 2022 models) NOT supporting multichannel LPCM sound passthrough (hence putting Apple TV sound output to ‘Dolby Digital 5.1’ “fixes” the issue).

Sony and LG process LPCM multichannel just fine. Shame on you, Samsung. 

G
Userlevel 1
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This problem is quite frustrating. I’m switching out my Apple TV for an Nvidia Shield to try to solve it. 

R

The Dolby DIgital 5.1 workaround is a great “workaround”, does anyone know if Sonos is addressing this with a firmware update?

G
Userlevel 7

On the TV, make sure HDMI eARC is set to Auto and Digital Output Audio is set to Passthrough. If this still doesn’t work, you may have to set the Change Format audio setting on the Apple TV to ON and set the Audio Format to Dolby Digital. This option isn’t ideal because you will lose Dolby Atmos audio, but it should resolve your issue.

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