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Coltsguy
Contributor I
February 11, 2024
Answered

Only stereo pcm from samsung qn90 and applevtv | No DD 5.1

I’m facing this issue only from last few weeks. All I get is stereo pcm when watching 5.1 content. No issues with Atmos content. 

Samsung qn90 with Apple TV 4K, Arc, Sub, 300s. Arc is connected via hdmi eArc to my tv. 

Apple TV audio is set to Auto/Atmos.  Sound is not right when I change Apple TV audio to ON ( I hear voice from surround and not from Arc).

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    ColtsguyAnswer
    Contributor I
    February 17, 2024

    All running on latest software updates. I did try changing hdmi cable for arc and same results. 
    I spent couple of hours with Sonos support and they conclude it’s a TV issue. 

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    Ken_Griffiths
    Ken_Griffiths
    February 17, 2024

    All running on latest software updates. I did try changing hdmi cable for arc and same results. 
    I spent couple of hours with Sonos support and they conclude it’s a TV issue. 

    It’s perhaps worth contacting Samsung Support too then and see if they can help - it’s true they have had some issues with connected soundbars on their TV’s (as you can maybe see via a Google search) but Samsung was supposed to have fixed the issues with updates last September 2023. Maybe see if they have any suggestions for you to try.

      Peter_254
      Prodigy II
      February 17, 2024

      If everything is up to date and you have actively checked for updates then my only advice is to turn off all power to your devices. In other words, pull the plug out of the socket and wait 5 minutes before turning it on again (TV, Apple TV, All SONOS)
      Also try restarting your modem/router..

      ColtsguyAuthor
      Contributor I
      February 17, 2024

      I’ve pulled the plug and restarted multiple times on all my devices including router but no luck. My wifi signal is very strong ~500 mbps, so it not wifi issue either. 
       

      i am tempted to factory reset my tv but im afraid it will make things worse. 

      Ken_Griffiths
      Ken_Griffiths
      February 17, 2024

      I’ve pulled the plug and restarted multiple times on all my devices including router but no luck. My wifi signal is very strong ~500 mbps, so it not wifi issue either. 
       

      i am tempted to factory reset my tv but im afraid it will make things worse. 

      I personally think you’re best to seek advice from Samsung Customer Support - it’s often a real nuisance resetting a TV I would see what they say. If it was a WiFi issue I would expect the video to stop/break-up too, so I don’t think the WiFi connection is part of the issue you’re seeing here.

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