Welcome to ASR !Oh no, now I see what kind of forum I’ve walked into... (sorry).
Yes this is a Science based audio site and you may find yourself occasionally questioned on the conditions of some stated sound quality changes.
We're happy you were able to find the answer to your problem here. Just remember the mind is a funny thing and can often report bad information when things are not done under controlled conditions.
Don't be scared off, hang out and read some threads your interested in. You might be surprised how much you can learn.
Ciao, Sal