TVs are terrible for handling audio. Either internally or via ARC/eARC. Not only in terms of codecs but also sync, surround, etc. You best bet is buying a dedi

TVs are terrible for handling audio. Either internally or via ARC/eARC. Not only in terms of codecs but also sync, surround, etc. You best bet is buying a dedicated HT receiver and plugging your video sources into it (ATV, Nvidia, BluRay, etc). It's worth noting the ATV does not have HDMI audio passthrough and the latest version has a ton of issues with Atmos: https://discussions.apple.com/thread/253553714 https://discussions.apple.com/thread/253553714 https://www.martinloganowners.com/threads/2021-new-gen-apple-tv-4k-dolby-atmos-problems.18919/ https://www.martinloganowners.com/threads/2021-new-gen-apple...