[pianotech] OnlyPure (was never the big discussion)

Mr. Mac's tune-repair at allegiance.tv
Sun Jan 30 15:23:57 MST 2011


Hello Ed,

Oddly enough, you were one of the first persons that came to mind when I wrote the post
   about the OnlyPure as someone who would be interested. Don't ask why. You just did.

As to your comments/questions:
1) I have not done any side by side comparisons.
    Three Steinway concert grand pianos were my subjects.
2) The equal temperament comment I made is based only on what I personally experienced.
3) I can offer no mathematical deviations for anyone's consideration.
4) I cannot offer any evidences that could be heard other than my own testimony.
5) There not be anything perfectly equal, but I experienced an equal temperament
     with this software according to my understanding, though limited as it might be.

I am not recommended this software over any other software.
I have no promotional interest in this item.
I don't expect anyone to jump on any bandwagon.
There is no reason for anyone to believe what I say.
I don't expect anyone, should they decide to find out for themselves,
   to switch camps and become a devoted user. I haven't.

I am just sharing what I experienced with this software based
   on what I have experienced from the beginning days of
   aural tuning, and up to and through the various other ETDs' I have personally
   bought, owned and used.

The significant two features that made me say what I have were:
1) The hammer technique awakening (truly remarkable)
2) The equal temperament experience (contiguous thirds, didn't mention that)

Other that Ed, I got nothing to offer.
Fairly disconcerting offering on my part, don't you think?

Sincerely,

Keith McGavern, RPT
pianostuff.kamcam.com

On Jan 30, 2011, at 3:36 PM, Ed Foote wrote:

>  Keith writes;
> 
> >   The equal temperament this software produces is unequaled
> >    in my experience to all other ETDs' I have used. No fiddling.
> 
>     This equal temperament is more equal than equal?  
>      If we are to make use of such a comparison, there is a need for limits, as in, there is no such thing as perfectly equal,(we would need specific wire sizes for every note in the temperament to keep the inharmonicity perfectly graduated, wouldn't we?), and the math for equal is , well, equal for all ET's. 
>    So, I assume you have done a side by side match with another ETD's ET?   I would be interested in the deviations between the Stopper temperament and say one from the VT or SAT.  Is that info available? 
> And if we are truly talking about .1 or .2 cent differences in anything other than a unison, can you demonstrate that the difference can be heard?
> 
> > Only the most discerning aural tuners could ever
> >    possibly come close to the results this software produces.
> 
>   If we take the "results" to be what is perceived by listeners, we would need
> to compare two pianos, one of which has another ETD's tuning on it. Has this been done anywhere? 
> Ed Foote RPT
> http://www.piano-tuners.org/edfoote/index.htmll
>  



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