Boy, that's a rich statement. (this is fun) It seems you are biased toward double-blind tests and prefer not to trust your own experience.
Yes, this is fun indeed.
Bias towards anything is what kills you, and makes things rather unreliable.
Testing and demonstrating in a consistent manner is where it is at.
I see only two sides of the same coin here. There is no absolute.
Yep, there are no absolutes, so far.
Well, if you mean instruments measuring is perception, I am at a loss, I guess.
We do see the measured data and can agree or disagree. And, we can measure or test the reliability of perception, right? sure we can. We have that 20/20 eye chart, don't we? We have hearing tests that is perception, right?
All we can talk about here is what we choose to have inform our perception. For you, science is important, for me my direct experience is.
Just be careful of that first hand, direct experience. I have that experience with a steel pipe and a 5 gal bucket of water and my experience tells me that the water bends that steel pipe and the air straightens it out. I bet I am not the only one with such experiences. So what.
There is no way that we experience anything other than through our six senses (thoughts/mind being the sixth) You just can't get around that. Science does not provide a seventh. I think science is important, but only as one factor on the way toward an end, that end is a direct, personal listening experience.
Science is the truth detector of nature, of our senses, and experiences. Separates facts from fiction, rather nicely.
And as far as I know, an "audible difference" is one that can be heard.
Yes, it can be. BUT, it can also be imagined!!! that happens all the time.
And, science helps us to show when it is real and imagined. The brain likes to imagine a lot, constantly. that is human psychology, not separable from us.
The nature of the cause of that difference is not implicit in the term. If someone hears a difference, they've heard a difference. I don't think we yet have the instruments to measure the authenticity of someone experience.
Of course we can test the reality of perceptions. Perceiving a difference is not always heard. That is where you are mixing things up as imagination is a prime candidate for that perception. Maybe some courses on such subjects, human psychology???