... If there is nothing present in the signal that might be the basis for a claimed experience, then the claimed experience is ...
You reveal your bias by characterizing the experience of others as a "claimed experience." You're discounting the evidence before you've examined it.
It's not some kind of inverted bias to simply say that it is unlikely there are auditory differences when measurements support that claim.
No, it's not "inverted bias" - it's absolute bias pure and simple. Direct experience is a key part of the scientific method, yet you dismiss the empirical evidence as merely a "claim" because it doesn't dovetail with your belief system. So you're a measurementalist, not a scientist.

