Re: [LAU] Exciter / Enhancer Plugin [WAS:] Linux-audio-user?Digest , Vol 19, Issue 9

On Thu, Sep 11, 2008 at 10:45:35PM -0500, Reuben Martin wrote:

> Well, I mean not the type of distortion people commonly think of such as
> guitar distortion modeled after an overdriven tube amp.

It still is just distortion.

> The magnitude can be positive or negative. It really doesn't matter which way
> you go, you get a similar effect.

Positive or negatve *at what point* ?
Start gnuplot and type

plot [0:6.28] sin(x), sin(3*x)

At 0, both are going positive. At 1.57 one is positive and
the other negative. If you invert the second, they will
be 'in phase' at 1.57.

Simple fact is that you can't compare phases of two signals
that don't have the same frequency. It just depends on where
you look.

> But each successive odd harmonic needs to
> be in the opposite direction in order for them to build upon one another.
> Otherwise they begin to cancel each other out.

Signals of different frequencies cam't ever cancel each other.

So what does all this mean ?

Ciao,

-- 
FA
Laboratorio di Acustica ed Elettroacustica
Parma, Italia
O tu, che porte, correndo si ?
E guerra e morte !
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