The sound that gets to the brain and is 'heard' is different to that entering the ears. Because there is a brain in between. The brain is like an AD converter. It adds and subtracts artifacts. Indeed it is much less compliant than an AD converter since it adds emotion (aka placebo effect). Psycho issues beset those who report differences.
They don't like it but only consistent differences found in double blind ABX tests carry any validity at all. All other results are nulled by non sound-related brain activity.
Yes @rudyb it does 'all become more difficult in a blind test'.
Many report that emotional and nervous issues reduce their discriminatory ability. This is just a cover-up because they do not 'hear' the differences in a correctly implemented scientific test. There should be minimum delay between presentations of A B and X.
I repeat: reports in circumstances where I listen to my system, spend 5 or 10 minutes changing wires, and then listen again 15 minutes later and report differences CARRY NO VALIDITY AT ALL.
They don't like it but only consistent differences found in double blind ABX tests carry any validity at all. All other results are nulled by non sound-related brain activity.
Yes @rudyb it does 'all become more difficult in a blind test'.
Many report that emotional and nervous issues reduce their discriminatory ability. This is just a cover-up because they do not 'hear' the differences in a correctly implemented scientific test. There should be minimum delay between presentations of A B and X.
I repeat: reports in circumstances where I listen to my system, spend 5 or 10 minutes changing wires, and then listen again 15 minutes later and report differences CARRY NO VALIDITY AT ALL.