ETDs vs exam and master tunings

[Alan Barnard]

Thanks, Bob. Your responsiveness to questions and problems has been one of
the things keeping me loyal to TL.

Alan Barnard
Salem, Missouri


> [Original Message]
> From: Robert Scott <robert.scott@tunelab-world.com>
> To: <pianotech@ptg.org>
> Date: 09/14/2005 12:31:29 PM
> Subject: Re: ETDs vs exam and master tunings
>
> Alan Barnard asked:
>
> > I don't know how to correct/change the calculated curve based on aural
> > tweaks and store it for later use. Is there a simple explanation for
> > doing that? I use Tunelab Pocket.
>
> Yes, here's how.  After tuning a note aurally, lock onto that note with
TuneLab and transfer the offset that was needed to do the locking into the
Custom Stretch for that note.  That will store the correction for that
single note only.  Then if you want to correct the whole tuning curve to
match that note, in the tuning curve adjuster screen, make sure "Freeze
Custom Offsets" is checked in the Edit menu.  Now find the red marker on
the tuning curve graph that represents the Custom Stretch that you just
adjusted for that one note.  Use the adjuster arrows, perhaps by turning
off the "Auto-A0-C8" option, and move the tuning curve until it overlays
the red marker.  You have now made the tuning curve match your aural
correction.  If you use this method, it would be best to have several notes
with Custom Offsets so that these notes can serve as "anchors" to constrain
the entire tuning curve.  If  you have only one red mark on the graph, then
you will have too many degrees of free!
>  dom in  
> making the adjustment, without any clear guide as to which of the many
various adjustments is correct overall.
>
> Robert Scott
> Real-Time Specialties (TuneLab)
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