Cracking the Unisons

[Ric Brekne]

Hi again Bernhard

I suspected that you had used your Only Pure method, and I also expected 
that the jury was going to judge using standard aural tests, and had 
imagined that accounting (at least partialy) for the results. As for the 
rest of what you replied... thats about par for most of the Tune off's 
I've heard about.  Kind of renders them rather useless in the end. Which 
is too bad too.. because it should be rather doable to contrive a fair 
and controlled experiment to more accurately gauge what these kinds of 
tests attempt to illustrate.

Thanks for your in depth reply.

Cheers
RicB

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Shortly said, the Tunelab tunig won the race with the votes for the aural
tuning.

The explanation:

The left piano was named "Piano B" and was tuned with the help of Tunelab.
The right piano was named "Piano A" and was tuned by me aurally (Onlypure
method, Pure 12th tempereament)

30 votes were given by piano tuners, who did not know what piano was tuned
in what manner.
Unfortunately they get a paper with two columns, with the left column named
"Piano A" and the right column "Piano B"
There were 5 criteria:
Unisons, temperament, bass stretch, treble stretch, and overall impression,
for every criterium on could to vote for one or the other instrument.