: Confirming the Atmos metadata (Joint Object Coding) remains intact after changing containers.
Many "repacks" on public trackers are fake – they are simply stereo AAC files renamed to .mkv. Always verify the audio codec using VLC’s Codec Information (Ctrl+J) or MediaInfo. dolby digital plus test file repack
: Offers a comprehensive list of E-AC3 7.1 and EAC3-JOC (Atmos) test clips specifically for media center testing. Reddit's r/HTPC : Confirming the Atmos metadata (Joint Object Coding)