22 Sep
2008
22 Sep
'08
5:54 p.m.
On Fri, Sep 12, 2008 at 06:17:38PM -0500, Reuben Martin wrote:
If you are truly that into the math side of it, the
source for those plugins
is always available for you to pull apart and see for yourself the
innerworkings and algorithms used.
I did some measurements on a real (hardware) Aural Exciter.
Whatever it does is *very* different from what the harmonic
generator plugin is doing.
- Almost all harmonics up to at least the 15th are present.
The first few (2,3,4) have almost the same level, above
that levels go down gradually, with a clear dip at the
seventh.
- The relative (to the fundamental) level of the harmonics
stays more or less the same for a wide range of input
levels. This is very different from any simple form of
harmonic generator, where the level of the Nth harmonic
would be roughly proportional to the Nth power of the
input level.
Ciao,
--
FA
Laboratorio di Acustica ed Elettroacustica
Parma, Italia
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