It's originals, but they not was been released (only compressed version)
FLAC can easily be uncompressed back into the original WAV files.
---------- Post added at 11:24 PM ---------- Previous post was at 11:24 PM ----------
I can't give away my source(s) but i can assure you they are not transcode nor recordings.
Here are some shots of the spectrum analysis for this soundtrack. (
https://imgur.com/a/oHChL)
I appreciate you sharing this. Been looking for a lossless version for a while. I would totally buy it in lossless if it were ever made available.