Les, If you're having trouble making a curve with TLab97, have you considered using the TLabPro demo to build a curve and then save it and open it with Tlab97 to execute the tuning? Just a thought. Greg Leslie W Bartlett wrote: > I was called out to check a tuning I did about a month ago, which a > pianist, visiting, said was very badly out of tune. I have tuned this > piano three times (4-now) all of them aurally because I couldn't get TLab > to make a tuning curve that even came close to the "little red boxes" > (help me, Dave Porritt). Even substituting notes for each other, the > inharmonicity readings were splayed all over the place. I suggested a > new, very expensive set of bass strings might help, but there were > problems all over the piano. The gentleman watched me set up the > TuneLab, saw there results, and, as an engineering PhD, said he was > familiar with overtones, partials, etc., and when compared with the curve > of a Yamaha G3, he was satisfied that the tuning on his piano would > probably not match the much more competitor's piano. His reason for > calling me was that a lady visited them one day, and played "a few notes" > and said it was badly out of tune. Talking with this lady it was obvious > she had no tuning background, and her "perfect pitch" was, as we all > know, likely good "relative pitch", but certainly not perfect. > > My expressed opinion was that this was a lesser expensive model of piano, > and there are reasons that some pianos that size cost upwards of $30,000. > His piano had certain challenges which could be minimized, but not > entirely eliminated, except with a complete restringing, and I am not at > all sure that would fix it. He agreed, and, after I showed him the > temperament, smooth fourths and fifths, clear progression of thirds, > etc., which he said he heard, went through the entire piano in about 30 > minutes, after pulling the action two or three times to fix little things > along the way. When I tested notes using a tuning of a Yamaha G1, using > TLPro, the tuning was very close to that curve. I also showed Mr. Yli > what I called "extraneous noise" in the very top, as indicated by > multiple "spikes" in the graph, and he then said he has done harmonic > measurements in buildings, and understood the concept. He was very > gracious, and appreciatve of my willingness to re-examine my tuning, and > I was rewarded to check it over and find only a few things that bothered > me, a month after the tuning. > > This is a 1985 Sherman Clay SGD-2. > > Any comments? If willing to do so, please "cc" to Yli@dodi.com. > Thanks > Les Bartlett > Houston > ________________________________________________________________ > GET INTERNET ACCESS FROM JUNO! > Juno offers FREE or PREMIUM Internet access for less! > Join Juno today! For your FREE software, visit: > http://dl.www.juno.com/get/tagj. -- Greg Newell Greg's Piano Forté 12970 Harlon Ave. Lakewood, Ohio 44107 216-226-3791 mailto:gnewell@ameritech.net
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