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From: JOHN THADEN
Date: Tue, 08 Oct 1996 22:49:33 -0500 (CDT)
Subject: a/b

Vern suggested a live test at a convention might prove more convincing,
and adds,
I think that it would be a better test to use a mechanical
air supply and not subjective human players. I will volunteer
to provide the air supply.

Maybe such an air supply should terminate with an adjustable air chamber
like that illustrated in Robert Johnston's article. Otherwise, I've found
that an air supply I used wouldn't even produce sound with reeds of some
pitches.

Barry Bean's experimental design sounds good, if maybe prohibitively expen-
sive. Maybe you could dispense with multiple instruments of each comb or
coverplate material if you actually used the same pair of reedplates for
all the tests. Since this would be difficult to do in a timely way for
a live test, maybe high-quality recording would be the way to do it.

I like Hugh's idea of hi-fi .wav files with a called for all of us
because we can put our own ears to this test. Hugh described the test as
a double-blind test

but for that, the person playing the instruments must not know which is
which. This should be possible to arrange, I'd think.