Try also: _http://www.youtube.com/watch?v=m7xUtR2qevA_ (http://www.youtube.com/watch?v=m7xUtR2qevA) Paul In a message dated 7/14/2010 2:30:42 P.M. Central Daylight Time, rnossaman at cox.net writes: This happens twice > with each full excursion of the tines, so the contact pulse at the > handle bottom is twice the frequency of the fundamental. > Ron N Incidentally, you can see this in the FFT display in Tunelab. The fork in air registers the fundamental. With the handle pressed on the table top, you get both the fundamental, and an octave peak. Ron N -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/pianotech.php/attachments/20100714/98f3a5d2/attachment.htm>
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