stretch offset tables

[Don]

Hi Hidetomo,

Stretch tables don't work very well except to get one in the ball park.
Part of the reason is that inharmoncity varies with soundboard
stiffness--and that is affected by relative humidity.

What device are you using to tune pianos? 

At 06:06 AM 4/23/2005 -0700, you wrote:
>i just joined this mailing list. i'm looking for stretch offset tables 
>that can be included in my tuner software. does anyone on this list 
>know where i can obtain all kinds of stretch offset tables for various 
>piano models?
>
>btw, i've already asked several major piano manufacturers if they can 
>provide me the tables, and they either don't have the tables or don't 
>want to provide the tables in order not to encourage the use of 
>electronic tuners.
>
>i hope that providing stretch offset tables is useful especially for 
>student piano tuners and even for professional piano tuners to 
>approximate the initial settings by using an electronic tuner then 
>fine-tune aurally (i'm not a piano tuner, just a software engineer, so 
>i'm not even sure if this makes sense).
>
>maybe there should be a stretch offset table database at ptg.org 
>somewhere. am i the only one who wants it? :)
>
>regards,
>katsura
>www.katsurashareware.com
>
>_______________________________________________
>pianotech list info: https://www.moypiano.com/resources/#archives
>
>
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Regards,
Don Rose, B.Mus., A.M.U.S., A.MUS., R.P.T.
Non calor sed umor est qui nobis incommodat

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