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Dual Sonos Sub Gen 3 Not Recognized by Windows 10 / Dolby Atmos for home theater

  • May 29, 2021
  • 5 replies
  • 93 views

Howdy,

Confirmed that if casting from cell phone YouTube app to Sonos Home Theater group that Arc and both Gen 3 Subs work. However, after messing with settings in Windows 10 / Dolby Atmos for home theater, I am unable to produce any tones via the Gen 3 Subs when setup is RTX 3090 GPU / PC → LG CX → ARC via eARC.

How do you get Windows to recognize the Gen 3 Subs?

Any help would be appreciated!

Best answer by Corry P

Hi @the_jsg 

Welcome to the Sonos Community!

I recommend you get in touch with our technical support team, who have tools at their disposal that will allow them to give you advice specific to your Sonos system.

 

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5 replies

UKMedia
  • May 29, 2021

What signal is your PC outputting?

Edit.

Try running Dxdiag on your PC and check the audio settings tab.

 


  • Author
  • Contributor I
  • May 29, 2021

Thanks for the reply @UKMedia.

After running DirectX Diagnostic Tool, I didn’t see any parameter for signal; however, the Device is LG TV SSCR (NVIDIA High Definition Audio) and the driver is nvhda64v.sys version 1.3.38.40 (English).

Is there any other detail needed from this tool?


UKMedia
  • May 29, 2021

Can you please check what the audio settings are on your LG TV? There have been a lot of issues reported with LG TV's.


  • Author
  • Contributor I
  • May 29, 2021

Sure. They are as follows:

Sound Out = HDMI ARC

eARC = On

HDMI Input Audio Format = Bistream

AV Sync Adjustment = Bypass

Digital Sound Out = Pass Through


Corry P
Forum|alt.badge.img+19
  • Sonos Staff
  • Answer
  • June 1, 2021

Hi @the_jsg 

Welcome to the Sonos Community!

I recommend you get in touch with our technical support team, who have tools at their disposal that will allow them to give you advice specific to your Sonos system.