I have a 2020 Sony KD-49XH9505 which I've installed Plex player onto via the Google Store. I then via the player, play MP3 192k audio files from my NAS box with Plex server on it. The audio is output from the TVs optical output and converted into my hi-fi amp (there's no analogue audio out on the TV). I appreciate I'm using MP3 and not lossless audio, but my question is around what conversion may or may not be going on in the TV. Is the plex player / TV just converting, digitally, the MP3 files to the optical stream, or is the MP3 being converted into analogue audio in the TV and then the TV converts back into digital for the optical output? I'm hoping the former, a then the TV is being used as a decent media player. Thanks if anyone has any ideas!