John,

Yes, your suggestion should work.

FWIW, here is the complete page from the Music360 manual:

GEN13

This routine simply stores 512 values along a monotonic curve, like GEN01;
but in this case only the first and last values are specified and
interpolation is made according to the sone scale of amplitude relationship.
This scale was devised by S.S. Stevens, and is described in his article "The
Measurement of Loudness" in The Journal of the Acoustical Society of
America, Vol 27, No. 5, Sept. 1955.) Thus GEN13 may provide a better
approximation to perceived loudness than GEN01 or any other GEN-subroutine.

P4 and P5 specify the initial and terminal values, and all other parameter
fields are ignored.

Art Hunkins

----- Original Message ----- 
From: "jpff" 
To: "Art Hunkins" ; "Developer discussions" 

Cc: 
Sent: Friday, December 19, 2008 1:22 AM
Subject: Re: [Cs-dev] Draft Release Notes: Sone Plugin


> Art
>  There is a real problem with making the perceived and physical value
>  coincide at zero as the formula is per = k * phy^alpha and this
>  collapses at zero values.  If anyone had the code from Music360, or
>  even the manual page, it might be possible to determine what is
>  required.
>    One could fiddle so zero at start of table, next point agrees and
>  then follow the formula.  Would that be OK?
> ==John ffitch
>
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