Verituner spinner movement

[Isaac sur Noos]

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Terry,

My understanding is no, the spinner is driven by all the partials, the value
to attain is dicatated by the style, that's all.

I believe also that we can ask the spinner to react only one partial, but
not in the fine or coarse tune modes. Did not really use that feature, only
for pitch control on other instruments (or testing a fork)
it is in the "measuring" mode.

You question make sence nowadays, but when one use a custom style, the whole
range of partial still are on the display and active are not they ?

Greetings.




Isaac OLEG

Entretien et réparation de pianos.

PianoTech
17 rue de Choisy
94400 VITRY sur SEINE
FRANCE
tel : 033 01 47 18 06 98
fax : 033 01 47 18 06 90
cell: 06 60 42 58 77

  -----Message d'origine-----
  De : pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org]De la
part de Farrell
  Envoyé : jeudi 16 octobre 2003 01:12
  À : Pianotech
  Objet : Re: Verituner spinner movement


  Would it not be only the partials that are addressed in the "style" data?
Let's say in a case where you wanted a clean (beatless) 4:2 octave and you
specified no other partial relationships, the spinner presumably would stop
when this condition was met. Now maybe if further up the scale you had
specified a 2:1 octave, then of course I should think that the spinner was
based on a compromise between these two relationships. But we are only
talking about two different partials for targeting the pitch of this one
note. I would think that the VT, for that note, would only be considering
the two partials. Of course, in better "styles", such as the wonderful one I
have been using that was authored by you (THANKS!!!!!), there are at least
six or eight partials that the "style" forces the VT to consider and make a
compromise among those to determine the target pitch for that note.

  So I guess that's my question. Isn't it the "style" thingee that dictates
which partials are incorporated to calculating target pitch?

  Terry Farrell

  ----- Original Message -----
  From: "Ron Koval" <drwoodwind@hotmail.com>
  To: <pianotech@ptg.org>
  Sent: Wednesday, October 15, 2003 9:15 AM
  Subject: Verituner spinner movement


  > Terry Farrell asked:
  >
  > Is it the more prominent partials that drive the spinner or is that =
  > controlled by data in the "style" coding? Seems to me the style data =
  > would dictate spinner motion (which may include data from up to 8 or =
  > however many partials).
  >
  >
  > Hey Terry,
  >
  > My understanding is that it is a blending of the usable partials based
on
  > the strength of each heard.  This from the user guide:
  >
  > "The Verituner does not set a single partial and offset.  The spinner
reacts
  > dynamically to the combined targets of multiple partials of the note you
are
  > tuning.  The relative strength and weakness of the partials also
influence
  > the mothion of the spinner.  These and other variables are used by the
  > Verituner's proprietary algorithm to determine the 0 point at which the
  > spinner stops."
  >
  >
  > In fine tune mode, there is an indication that represents the strength
and
  > sustain of each of the partials.
  >
  > Help any?
  >
  > Ron Koval
  > Chicagoland
  >
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