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About casting Dolby Atmos to Sonos via the Hi-Fi Cast app.

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I was actually able to cast Dolby Atmos to Sonos via the Hi-Fi Cast app. But the weird thing is, the Dolby Atmos indicator doesn't show up in the "Sources" section of the Sonos app.
So my question is, when I cast Dolby Atmos to Sonos via the Hi-Fi Cast app, does it cast the Dolby Atmos audio downmixed to stereo?

Best answer by Blue Windy

No. It is pass-through without downmixing. See this : 

 

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2 replies

Airgetlam
  • Airgetlam
  • 42610 replies
  • March 17, 2025

I suspect it does. The Sonos reports what it is receiving in the controller, I’ve never heard (yet) of any system that can send an Atmos signal to Sonos. 

Bruce
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  • Blue Windy
  • Author
  • Avid Contributor I
  • 5 replies
  • Answer
  • March 17, 2025

No. It is pass-through without downmixing. See this : 

 

Airgetlam
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  • Airgetlam
    Airgetlam

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