Tuning exam tip

FSSturm@aol.com FSSturm@aol.com
Sat, 18 Jan 1997 17:59:06 -0500 (EST)


At the Albuquerque convention, summer '95, when I was completing training for
CTE, the general consensus among the examiners (Mitch Kiel, Jack Stebbins,
Teri Meredyth, Michael Travis, et al) seemed to be that the wording of the
exam specifications was loose enough not to require strict 2:1 octaves in
octave 7. The "Tuning Exam Instructions" say, "Do not stretch the high treble
more than is necessary to get good, clean sounding octaves all the way to the
top." I believe an earlier version said "2:1 octaves" in so many words, but
this was dropped in 1987.

The consensus seemed to be that a compromise between 2:1 octaves with 8ve 6
and 4:1 double octaves with 8ve 5 was what examiners should aim for in a
master tuning. For my own two cents worth, I'll comment that a six cent
margin of error will generally pass most notes that are tuned as 4:1 octaves,
even if the master tuning had 2:1 octaves. You might get counted off for the
top few notes, but it is only a one point error (per 6 cents) anyway. My
advice is just to follow the instructions. Using the ETA, averaging between
the displays when you play the 8ve and the double 8ve below will probably
work to get a high score. I'm not sure that the FAC tuning would lose more
than 4 or 5 points up there, if the "c number" is accurate (as long as you
don't increase the numbers as I've been advising in a series of posts).

By the way, I have known others who overcompensated flattening the top octave
and failed as a result. As an examiner, my general attitude in making aural
verifications is that smoothness and consistency are more important than
precise width of the 8ve, within reasonable limits, since instructions for
verification of errors require that we judge each note in the context of the
whole tuning. I guess this discussion really belongs on the PTG-L if it goes
any further.

  Regards,
Fred Sturm
Albuquerque




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