[LAD] denormal handling

Fons Adriaensen fons at kokkinizita.net
Sat Sep 29 21:54:29 UTC 2007


On Sat, Sep 29, 2007 at 08:25:53PM +0200, Jens M Andreasen wrote:

> On Thu, 2007-09-27 at 22:31 +0200, Fons Adriaensen wrote:
> > On Thu, Sep 27, 2007 at 09:19:53PM +0200, Georg Holzmann wrote:
> > 
> > > BTW: adding just a small DC bias won't work if I have IIR high pass like 
> > > structure, or am I wrong ?
> > 
> > You have to apply the small offset at 'strategic places'. For an IIR
> > this is at the summing node, to the value that gets stored into the
> > filter's delay line. In other words, inside the feedback loop.
> > 
> 
> 
> Fons!
> 
> Although you are approximately right in many parts of this discussion,
> you are wrong on the cost of the CPU flags to round twards zero. The
> cost is nil.

I never said the cost was not nil... In fact I never said anything
about it at all !


-- 
FA

Laboratorio di Acustica ed Elettroacustica
Parma, Italia

Lascia la spina, cogli la rosa.



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