<!DOCTYPE HTML PUBLIC "-//W3C//DTD W3 HTML//EN"> <HTML> <HEAD> <META content="text/html; charset=iso-8859-1" = http-equiv=Content-Type> <META content='"MSHTML 4.72.2106.6"' name=GENERATOR> </HEAD> <BODY aLink=#ff0000 bgColor=#ffffff link=#0000ee text=#000000 = vLink=#551a8b> <DIV>Richard:</DIV> <DIV> </DIV> <DIV>The inharmonicity files are indeed just in = cents.  As one who has written a program to read those files and create a tuning, I = hope they don't change.</DIV> <DIV> </DIV> <DIV>dave</DIV> _______________________________________________ David M. = Porritt, RPT Meadows School of the Arts Southern Methodist University Dallas, Texas <A href="mailto:dporritt@swbell.net">dporritt@swbell.net</A> __________= _____________________________________ <DIV> </DIV> <DIV class=OutlookMessageHeader>-----Original Message----- From: = owner-pianotech@ptg.org [mailto:owner-pianotech@ptg.org]On Behalf Of Richard Brekne Sent: Monday, May 31, 1999 12:17 PM To: pianotech@ptg.org Subject: Re: longitudinal mode vibrations </DIV>  dporritt wrote: <BLOCKQUOTE TYPE = CITE> Richard:Tunelab has a = display of the frequency of each note on the main screen display.  As you = change partials, the frequency of that partial is shown.dave yes it = does.. but my understanding is that saveing partial data to inharmonicity files = which are ascii is in cents only. Am I wrong about this = ?? Richard Brekne     =    _______________________________________________ David M. Porritt, RPT Meadows School of the Arts Southern Methodist University Dallas, Texas <A = href="mailto:dporritt@swbell.net">dporritt@swbell.net</A> _______________________________________________  <DIV class=OutlookMessageHeader>-----Original Message----- From: = owner-pianotech@ptg.org [<A = href="mailto:owner-pianotech@ptg.org">mailto:owner-pianotech@ptg.org</A= >]On Behalf Of Richard Brekne Sent: Monday, May = 31, 1999 7:23 AM To: pianotech@ptg.org Subject: Re: longitudinal mode = vibrations </DIV> "Paul S. Larudee" wrote: <BLOCKQUOTE TYPE = CITE>Ron Nossaman wrote: > I wonder how one would go about measuring longitudinal = partials anyway. Can > this be done with an ETD? If so, someone = could set it up fairly easily and > whack the bejeebers out of a = string to get a first hand look at what happens > to the pitch of = the longitudinal. Where are our instrumented experimenters > = out there? > >  Ron I agree that experimental studies are the only way to go any = farther, but I have a feeling there aren't too many grants to be had = for this sort of research - at least not with pianos as the main = application. Hope I'm wrong.  Nice discussion, though.  Anyone = else have any ideas? Paul</BLOCKQUOTE>One thing we can all do is mail the = three biggies Reyburn, Sanderson, and Tom and ask them to include more features in = these products use as measuring devices. String partials should be able = tobe measured in  cents (in both the Sat III manner and in the = manner Reyburn uses) and hz, (for some purposes hz are handy) = and the data should be able to be exported in ascii format for use in = spreadsheets / math graphics programs. Tune Lab is the only one of the three so far = to have this option and its only in cents. (which admitedly has more uses = then hz for our purposes, still the extra option of having hz would be nice) = Richard Brekne</BLOCKQUOTE></BODY></HTML>