longitudinal mode vibrations

[Richard Brekne]

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dporritt wrote:

>  Richard: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.dave
>
> change ?? who said anything about changing them. I simply requested an
> addition to the existing package. the additional ability to choose hz
> values to store and use in other programs..
>
> richard brekne
>
>
>
>  _______________________________________________
>
> David M. Porritt, RPT
> Meadows School of the Arts
> Southern Methodist University
> Dallas, Texas
> dporritt@swbell.net
> _______________________________________________
> -----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
>
>
> dporritt wrote:
>
>> 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
>> dporritt@swbell.net
>> _______________________________________________
>> -----Original Message-----
>> From: owner-pianotech@ptg.org [mailto:owner-pianotech@ptg.org]On
>> Behalf Of Richard Brekne
>> Sent: Monday, May 31, 1999 7:23 AM
>> To: pianotech@ptg.org
>> Subject: Re: longitudinal mode vibrations
>> "Paul S. Larudee" wrote:
>>
>> > 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
>>
>> 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
>

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