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I've been trying out a new temperament created by Roshan Kakiya and thought I'd share it here. For those of you with an ETA it's easy to just create a new temperament and give it a whirl. So far, I've found it to be calming or beat canceling and very handy on spinets with high inharmonicity. In any case, it doesn't sound weird or out of tune so you should be able to try it out on one of your regular appointments if you want to. Here's the offsets:

C 0.00
C# +1.96
D 0.00
D# +1.96
E 0.00
F +1.96
F# 0.00
G +1.96
G# 0.00
A +1.96
A# 0.00
B +1.96
C 0.00
------------------------------
Temperament by Roshan Kakiya

If you need help figuring out how to create a new temperament on your app I can help you if you have TuneLab or PianoMeter (Formerly Easy Piano Tuner). If you have another app I'm sure there are those that can help you out.


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Interesting. Making some fifths pure while other fifths beat more.
Might be worth trying.

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Although I have not tried this temperament, it seems arbitrary that we're figuring to 6 hundredths of a cent. Why not just round to two cents?


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Originally Posted by Hakki
Interesting. Making some fifths pure while other fifths beat more.
Might be worth trying.


Actually, that was tried...
the Charles E. Moscow Equal-Beating Pythagorean Temperament of 1895.
However, there was not a beat cancelling effect in the 3rds.
The rollingball site goes into more detail.

Last edited by daniokeeper; 05/26/19 05:26 PM.

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I am not sure how this would be calming or beat cancelling. Chromatically, the major thirds are all normal ET and progressive, 5ths and 4ths all become alternating pure and beating, and the 6ths become alternating more and less beating. How does that make music more calming unless the music is cherry picked and specifically takes advantage of the calmest intervals.

A recording in this temperament as a demonstration would be nice.

Last edited by Chris Leslie; 05/26/19 05:42 PM.

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You can find more information on Roshan Kakiya's Well Temperament (2018) at rollingball.com/temperament > Modern Well

There is also another set of offsets there if you want to equalize tension, if A440 isn't vital.
+/- 0.98 cents rather than 0.00 or +1.96

Edit:. As I think about it, you could probably just set you ETD/ETA to A440 minus 0.98 cents rather than reprogramming each interval if you already programmed in the other offsets.

Last edited by daniokeeper; 05/26/19 06:33 PM.

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In TuneLab when you choose any unequal temperament there's a choice to "Normalize for A=0" or "Normalize for avg.=0".


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There are infinitely many unequal temperaments.

Kees

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Originally Posted by That Guy
In TuneLab when you choose any unequal temperament there's a choice to "Normalize for A=0" or "Normalize for avg.=0".


That's a great feature if a user is going to be doing alot with UTs.


Joe Gumbosky
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