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<div><FONT face="Arial, Helvetica, sans-serif">Ron Koval, I would suggest the following sequence & Custom Style (Verituner) for use in the "Changes in Inharmonicy" experiment:</FONT></div>
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<div>Start & always use this Custom Style:</div>
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<div>A0 6:3 0.1 100%</div>
<div>A1 6:3 0.0 100%</div>
<div>A2 4:2 0.0 70% 6:3 0.0 30%</div>
<div>A3-4 4:2 0.0 100%</div>
<div>A5 4:2 0.0 60% 2:1 0.0 40%</div>
<div>C7 2:1 0.0 100%</div>
<div>C8 2:1 0.0 100%</div>
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<div>Use the Custom Style & new tuning mode, and tune that piano "to it's best". Then use that initial tuning to record in the "Measured Tuning" mode this 1st tuning.</div>
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<div>Then periodically using that same Custom Style, tune the piano a various times/periods with a NEW tuning each time (not a saved one)... and after tuning, compare to the Original Measured Tuning... also pulling off the inharmonicity data. Of course, Temp & Humidity as well. (So obviously today, we're either talking about a VT-100 or VTPPC device for data access.)</div>
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<div>What's changed if anything?? Then we can all take the data & crunch & argue & see any trend.</div>
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<div>PS The Custom Style is based on what I've heard about the RPT Tuning exam's Master Tuning... ie. 4:2 mid... 2:1 from C7 up... and on the way down transition to 6:3 (but no lower). I think any style could work... but the closer the style to what's attempted at the Master Tuning, the better.</div>
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<div>Bill Fritz, St Louis</div>
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