Not an Expert in consumer hdr. What you want to calibrate isn’t contrast or brightness but gamma curve.

I was of the impression that the ia doesn’t delete, but instead puts files in quarantine until copyright runs out. Else they’d have to digitize it again later.

War is peace. Freedom is slavery. Ignorance is strength.

Let me pinshit about “adhoc”, a latin word which most people think of as meaning something like “spontaneous”. That’s wrong! Ad (to) hoc (this) means “in this regard”. If someone asks you a specific question, you could answer “adhoc i have no idea” or “i don’t know anything adhoc”. There’s no such thing as “adhoc work”.

I guess foobar2000 is non-foss as it’s free but not open source.