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sudeshsn
Contributor I
November 28, 2023

Dolby Atmos on Sonos Arc with Sub

I have a setup with Arc connected to Samsung TV (2022 model Q80B)  through HDMI eArc plus a Sub. Dolby Atmos is enabled on the TV. When playing Atmos content from Amazon Prime, Sonos app says it is Dolby Multichannel PCM 5.1. Shouldn’t I be seeing Dolby Atmos?

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12 replies

GuitarSuperstar
Lead Maestro
November 28, 2023

Set the TV to these settings:

HDMI-eARC Mode: Auto

Digital Output Audio Format: Pass-Through

 

And play the film The Tomorrow War from Prime Video.

"Receive with simplicity everything that happens to you." - Rashi
    sudeshsnAuthor
    Contributor I
    November 28, 2023

    I can’t change the Digital Output Audio Format to “Pass-Through”. Error- “Current audio format cannot be passed through with an ARC connection”.

    I am playing the Amazon Prime Video App in Samsung TV and NOT through a Fire TV stick.

    GuitarSuperstar
    Lead Maestro
    November 28, 2023

    I can’t change the Digital Output Audio Format to “Pass-Through”. Error- “Current audio format cannot be passed through with an ARC connection”.

    I am playing the Amazon Prime Video App in Samsung TV and NOT through a Fire TV stick.

    Does the TV allow you to change the Digital Output Audio Format setting while you are playing The Tomorrow War on Prime Video? What audio format is displayed in the Sonos app when playing this film?

    "Receive with simplicity everything that happens to you." - Rashi
      sudeshsnAuthor
      Contributor I
      November 28, 2023
      Pass-Through is disabled.

       

      GuitarSuperstar
      Lead Maestro
      November 28, 2023

      What audio format is displayed in the Sonos app when playing The Tomorrow War?

      "Receive with simplicity everything that happens to you." - Rashi
      sudeshsnAuthor
      Contributor I
      November 28, 2023

      Dolby Multichannel PCM 5.1

      GuitarSuperstar
      Lead Maestro
      November 28, 2023

      Set HDMI-eARC Mode to OFF and test the film again.

      "Receive with simplicity everything that happens to you." - Rashi
      sudeshsnAuthor
      Contributor I
      November 28, 2023

      I did try that. Then I get “Dolby Digital Plus 5.1” still no Atmos

      sudeshsnAuthor
      Contributor I
      November 28, 2023

      I am starting to suspect that I will need an external streaming device to enable the pass-through mode on this TV

      GuitarSuperstar
      Lead Maestro
      November 28, 2023

      I have a feeling your TV doesn’t support Dolby Atmos audio from the TV’s Prime Video app.

      Are there any other apps you can test (Disney+, Netflix premium, Max, Apple TV+)?

      "Receive with simplicity everything that happens to you." - Rashi
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