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Sonos Arc Dolby Atmos vs Dolby Atmos (TrueHD)

  • 16 January 2021
  • 3 replies
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In the Sonos Arc Sonos system info screen in the app; what’s the difference between and what is the better sound? 

-Dolby Atmos (Truehd)  

eArc mode Auto 

Dig output audio Pass-through


and 

 

-Dolby Atmos 

eArc mode Auto

Dig output audio Auto

 

 

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Best answer by GuitarSuperstar 16 January 2021, 05:41

More than likely you are getting the exact same audio. On Blu-ray Discs, you only get Dolby Atmos audio from a Dolby TrueHD soundtrack. I would just leave the setting on passthrough.

Another way of checking the audio is by pressing the Display button on the Sony remote. It should display “Dolby TrueHD” with either setting.

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Userlevel 6
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What content are you testing? And from what device?

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4K Blu-ray played on Sony X700 4K player

Userlevel 6
Badge +17

More than likely you are getting the exact same audio. On Blu-ray Discs, you only get Dolby Atmos audio from a Dolby TrueHD soundtrack. I would just leave the setting on passthrough.

Another way of checking the audio is by pressing the Display button on the Sony remote. It should display “Dolby TrueHD” with either setting.

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