, you generally cannot play these files directly through a Smart TV's USB port. You need a dedicated media player (like an Nvidia Shield or specialized Blu-ray player) that supports HDMI Passthrough to your AV receiver. test tone file for your speaker configuration (e.g., 5.1.2 or 7.1.4)?
If you are looking for the narration text often heard in the demo trailers, here is the script for the "Amaze" trailer: dolby atmos demo 4k hdr%28download%29