[LAD] denormal handling
Jens M Andreasen
jens.andreasen at comhem.se
Sat Sep 29 18:25:53 UTC 2007
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.
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.
Unlike other forms of Voodoo, we can neasure this.
mvh // Jens M Andreasen
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