Device support

DeviceDolby Digital (.ac3)Dolby Digital Plus (.ec3)Dolby Atmos
(using Dolby Digital Plus / JOC)
DolbyVision HDR
Apple TV 4K  (tvOS 12 or later)  (Profile 5)
Apple TV - 4th Gen      
Apple TV - 3rd Gen  *      
Apple TV - 2nd Gen  *      

* Dolby Digital passthrough only