“eARC is mandatory to get a real Atmos experience rigth? If my TV has only HDMI ARC won't be enough...”

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• Without eARC you may be able to get Dolby Digital Plus to pass through....this is the lossy (compressed) form of Atmos. Only eARC can pass through Dolby True HD which is the full uncompressed Atmos codec.

  Answered by Mandalorian 5 years ago

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• eARC is required to play Dolby TrueHD and Dolby MAT formats. ARC can pass through Dolby Digital+ which is an Atmos experience. Dolby TrueHD is uncompressed Atmos and it generally only used by physical format content. Dolby Digital+ is largely the standard for streaming content and is supported by a large number of streaming services to provide Atmos experiences.

  Answered by Sonos Customer Care 5 years ago

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