It seems the Emby App is capable of converting TrueHD Audio to a compatible format client side rather than server side. This is shown when disabling transcoding options for the user. When these options are enabled TrueHD is converted to a compatible format server side. This can cause issues with Dolby Vision streams, and force burn in of subtitles server side when those subtitles would not have been burned in if audio was a "compatible format".  I would like to see the Apple TV Emby App convert