LG OLED TV Sonos Arc Dolby Atmos problem (or not)

Introduction

I have a great LG CX 55″ OLED TV and I really really love it. I just purchased the first Sonos Dolby Atmos Sound Bar. Sonos Arc that are able to decode the Dolby Atmos through the eARC/ARC signal that comes via HDMI.

But when I tried to stream a movie via Netflix, Disney+ etc which apparently was Dolby Atmos the LG OLED Tv just stated Dolby Vision. I’ll show you how to check if your TV sends the correct Dolby Atmos signal to the Sonos Arc sound bar. Dolby Vision is the HDR picture processing which is a Dolby Labs tecnique for better picture control and light control during the movie. This has nothing to do with Dolby Atmos.




sonos arc LG TV OLED error fault does not work how to get it to play Dolby Atmos vision
Dolby Vision Is displayed when starting the playback.

 

Setup LG OLED and the Sonos Arc

Connect the HDMI as stated by the manual from Sonos. The go setting on your LG TV.

sonos arc LG TV OLED error fault does not work how to get it to play Dolby Atmos vision problem
Go to Sound

 

sonos arc LG TV OLED error fault does not work how to get it to play Dolby Atmos vision arc arc
Select the HDMI Arc under the Sound Out option.

 

 

sonos arc LG TV OLED error fault does not work how to get it to play Dolby Atmos vision
Go to the additional settings




sonos arc LG TV OLED error fault does not work how to get it to play Dolby Atmos vision
DTV audio setting must be AUTO, and Digital Sound Out as “Passthough”.

 

If possible the also select the eARC option

 

sonos arc LG TV OLED error fault does not work how to get it to play Dolby Atmos vision
Go to your Sonos app and select the Sound bar. Below the “picture” it will display which audio signal that enters the Sonos Arc.

 

sonos arc LG TV OLED error fault does not work how to get it to play Dolby Atmos vision
If it says Dolby Atmos – you’re good to go.

 

Did this post help you?

I hope that you were able to use this small guide. I’ve spent a lot of time trying to find out how to solve the Dolby Vision that were displayed but not the Dolby Atmos. But found out that the signal was actually already passing through as it was supposed to.

 

 

Helpful…?

Please leave a comment below (jump down) if you were able to benefit from my tutorial. If you want to donate a future cup of coffee, then feel free to support my “hopefully” upcoming Espresso machine. Take care…

Inspiration

One last thing: Before you leave you should definately check out my gorgeous Italian Ciabatta bread with large holes. Super easy to make, and taste amazing…

Om Lars Koch Hansen

Lars er født i 1979, bor i Kolding med sin familie (hustru + 2 børn), og er uddannet læge. Han er glad for ting der gør hverdagen bedre, lettere eller bare sjovere. Derudover elsker han gode opskrifter, og så er han vild med gadgets og elektronik.

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1 thought on “LG OLED TV Sonos Arc Dolby Atmos problem (or not)

  • 25. december 2021 kl. 18:08
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    Let me know if you have any questions. I’ll try to answer to the best of my knowledge.
    Best wishes
    Lars

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