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RE: Gee, Richard, maybe those tests are simply not appropriate.

AS
"with no calibration how do you know any particular ABX DBT is sensitive to any or all actual audible differences between the two components being tested? What does a null mean in an ABX DBT where no one has established that the reference system/setup or the subjects are sensitive to subtle or even not so subtle real world audible differences?"

Of course, without calibration, as you put it, one does not know how sensitive the audition is. That wasn't hard to answer. Neither is the second question. The null shows that one was not able to establish that one could detect a difference between whatever is being auditioned, under the conditions of the test. We just don't know in technical terms what the differences are. Richard has explained this over and over. I fail to see what is so hard to understand about that. You seem to expect something more.

But then, a sighted audition does not establish that one can hear a difference, since one already knows what one is listening to. You don't even need to listen to get the answers right.

Under the same conditions, a blind test could at least establish that one actually can detect a difference. However, without measurements and calibration, one doesn't really know what the difference amounts to. Whether that is required depends on the purpose of the audition.
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"It pertains to all men to know themselves and to be temperate."
---Heraclitus of Ephesus (trans. Wheelwright)

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