> 
> > Anyway, I was comparing Robert's values to what the ISO uses, and
> > I was not able to get them to match up.  I think that the ISO formula
> > is basically broken.  Here's my take on the situation - if anyone
> > knows why I'm wrong or has other usefull comments, pleast post!
> 
> Maybe the reason is, that lame doesn�t read absthr, the absolute threshold 
> of hearing as in table 3-D.4? The original dist10 routines in psy.c did read
> absthr.
> 

I think abstrh is left over from psycho acoustic model 1.  psy-model 2
uses qthr_l and qthr_s, which are the ISO ATH data, read from tables.  




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