---------------------- multipart/alternative attachment The effect is also less noticeable on the notes directly above a rib, and most prominent at the mid point of the rib positions. The two sample pianos were a D and a SD10 in both cases it was < .2 cent pitch drop Test only done in Octave 6. So no conclusions on my part. Roger At 06:51 AM 8/14/02 -0500, you wrote: >>I believe the right explanation should be approved by >>experiment.with out any experiment,here is my >>assumption for the phenomone: > >Baoli, >I explored this some a year or so ago, and found an interesting >correlation. Very often, taping off the rear duplex of the section >eliminated the pitch drop when the second string was tuned in. > > >>if you shift to another partial(meaning you measure a >>different partial of the same note)the rare phomonene >>will probably disapear.Or if you lower the pitch a >>little bit the phomomee should disapera also. > >Not all that rare, from my experiments. The pitch rise happened about as >often as unisons that didn't change pitch - at least in the piano I >sampled in the shop. I didn't think to try measurement of different partials. > > >Ron N ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/6b/eb/a3/d0/attachment.htm ---------------------- multipart/alternative attachment--
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