[pianotech] aural vs edt

[Matthew Todd]

So, what does EDT stand for? (ust kidding)
 
And doesn't ETD stand for Electronically Transmitted Disease?
 
These replies have all been very good, and I appreciate your responses.  I was afraid of opening up too big a can of worms, but I don't think it was that bad!
 
All I know is, I gotta keep my aural skills in check if I wanna become an RPT!  But I was thinking, I remember someone stating an analogy of a blind man driving a car.  Whenever we have to renew our drivers license, we all have to look through the little machine to check our vision, right?  Too bad there's nothing like that for the guild, only with aural checks.  So once an RPT, as long as he pays his dues, always an RPT?
 
Thanks again,


TODD PIANO WORKS 
Matthew Todd, Piano Technician 
(979) 248-9578
http://www.toddpianoworks.com

--- On Sat, 4/4/09, David Renaud <drjazzca at yahoo.ca> wrote:

From: David Renaud <drjazzca at yahoo.ca>
Subject: [pianotech] aural vs edt
To: "Pianotech" <pianotech at ptg.org>
Date: Saturday, April 4, 2009, 3:34 PM

   I am an active CTE and perhaps can add some thoughts to muse over.
Point form so you can pick what you want to respond to.

1) EDTs are fantastic tools. As an aural tuner for 20 years integrating
EDT use has made me a better tuner. The ability to analyze my unisons
and stability has tightened up my unisions and improved stability. The 
ability to analyze what I do aurally has given definition, clarity, 
and consistency to choices of stretch. The ability to save my best aural
tunings on concert instruments has been an aid worth a fortune this last 
month with bronchitis, on 6am tunings, and on long long days. From an
Aural tuning advocate let be first be very clear on this; the EDTs 
we have today are fantastic tools, I approve of their use, they are here
to stay, aural tuners can learn much from EDT analysis.

2) EDT only tuners can also learn much from aural analysis. Any smooth
  tuning stretch curve generated from samples as taken by cybertuner, tunelab
and such does not account for each and every string scaling change and
accompanying inharmonicity jump. As small as these jumps may be they remain
significant. When staring from a quality machine tuning and subjecting the
tuning to careful aural tests for smooth progressions of 
intervals the machine tuning even on a nice piano like a Yamaha C7 will
move away from the generated curve significantly and jump back with each
string size change. Fine concert tuning requires smoothing out interval
progressions this way. Verituner and perhaps others will listen to individual
note inharmonisity and generate compensation for same. When asked if we can use
Verituner to generate a master tuning I am told it   
still takes a few passes to gather enough information for this. The ear
I think must remain the boss, as good as EDTs become careful aural listening
will be the judge by the finest musicians and tuners.

3) If we will not preserve this aural tradition who will?

4) I need subs for my 4 regular concert venues from time to time....
   I can not hire an EDT only tuner. What will they  do if it crashes? What
will they do if your battery dies? What will they do
 if they run over your kit with your car and kill the EDT(happened to one tech
I know) Tell the artist sorry, no tuning on stage today for the show. 
 I can not take this risk with my major clients when I send in a sub.
Therefore, you want to grow a business to include concert tuning, the top
musicians, and all the related references, Its less likely
to happen in this city without aural skills.

5) To many times I hear EDT only tuners who brag about "perfect"
tunings, 
"the same every time" that do not listen and trust the machine get
followed up with complaints. I subcontracted to one for a time and had to quite
because of complaints. No listening was taking place and the some of the follow
ups were scary tunings. 

6) My personnel conclusion is integration is way of the future and is best. 
Aural tuners can learn from EDTs, EDT tuners can learn from Aural 
   testing skills. Lets learn the best of both worlds and raise standards 
  all round.

                                           2 cents worth for now
                                           Cheers
                                           Dave Renaud
                                           from the Great White North


 
5)
this way. 







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