AppleTV cant act as a media server. But as a client it's fantastic.
An AppleTV with an app like Infuse will flawlessly play back 4K HDR or Dolby Vision videos client side (no transcoding) as well as 7.1 lossless TrueHD audio. Unfortunately it wont do TrueHD Atmos.
An AppleTV with an app like Infuse will flawlessly play back 4K HDR or Dolby Vision videos client side (no transcoding) as well as 7.1 lossless TrueHD audio. Unfortunately it wont do TrueHD Atmos.