There's nothing like resorting to my 14 yr old daughter's high-sensitivity hearing of top octaves as a useful tool employed in single-blinds to guide my tweaks. Turns my p.20 fuzziness to p.50 placebo or p.05 reality pretty quickly!
Ah, but expectation bias is one of life's fruits, no?
Ah, but expectation bias is one of life's fruits, no?