[PythagoRascal]

I doubt they'd just add a UUID in a file header somewhere. If they uniquely modify the actual audio samples in a way that is inaudible during casual listening, that would be much harder to "diff", I think.

[878654Tom]

If it is inaudible then I can just remove the diff from both or overlap them or...

[lyu07282]

Can you guys catch up on the absolute basics of the last twenty years of audio watermarking research before continuing this conversation please dear god