[CAUT] Tunic OnlyPure Software

[David Ilvedson]

You did see my tongue firmly planted, right?

David Ilvedson, RPT
Pacifica, CA  94044

----- Original message ----------------------------------------
From: "Richard Brekne" <ricb at pianostemmer.no>
To: caut at ptg.org
Received: 3/3/2009 2:52:26 PM
Subject: Re: [CAUT] Tunic OnlyPure Software


>Funny you should mention that David.  Kent claims "magic" several places 
>all over his article.... what was that quote from Arthur C. Clark..... 
>?   I make the opposite point.  This aint magic, and if you stop and 
>think about the consequences of not compensating for individual 
>instrument inharmonicity you will quickly see that that claim cant hold 
>water either.  In fact Kent quotes  Stopper saying exactly that. This is 
>no doubt a fine piece of softeware... but lets not try and pass it off 
>for something it isnt.  "Magic" doesnt do Stopper justice at all. He 
>spent a lot of hard work and long hours working all this out... with 
>maths mind you... so it all does make perfect... and quite rational sense.

>Cheers
>RicB


>    Well it must be magic...
>    David Ilvedson, RPT
>    Pacifica, CA 94044



> >From RicB:
>"...You can quite easily accomplish a P-12ths tuning ..."
> 
>Let's follow the <thin> clues we have so far.
> 
>1. Stopper has stated that his tuning is NOT a P-12ths tuning.
>2. I've experimented with P-12ths tunings, they don't seem appropriate 
>for many types of pianos.
>3.  Kent stated that he's tried the OnlyPure on many types of pianos and 
>the tuning "worked" for all of them.
>4. Stopper's definition of "pure" is not the same as the traditional 
>tuner's nomenclature of a partial match.  (something about where the sum 
>of beats of all relevant partial matches of octave and octave-fifth are 
>at a minimum...)
> 
>So where does that lead?  Not to a simple Tunelab curve. It's an 
>interesting puzzle.  Especially since Stopper seems to discount 
>inharmonicity - the software seems to work without any measurements from 
>the piano to customize the tuning.  
> 
>Ron Koval
>Concordia University