Re:YouTube download sites are “biggest piracy threat” to mus...
by lozf on Monday September 03, 2018 @05:53PM
(#17905127)
There are cases where "inaudible" watermarks in paid audio downloads are actually audible[0], meaning that buying the FLAC download gives a worse experience than a properly ripped CD.
[0]: https://www.mattmontag.com/music/universals-audible-watermar...
This exists commercially: https://en.wikipedia.org/wiki/Cinavia
I don't know if it's truly "inaudible", maybe some experts can detect it? But probably 99% of people can't.