[sdiy] Popcorn Noise Generator?

harrybissell harrybissell at prodigy.net
Sun Jul 10 02:36:35 CEST 2005


Magnus Danielson wrote: <snipp'd>

> > > Infact, since some pop-corn noise is already in place in the low low bottom,
> > > the corner frequency would just be a cross-over between actual and synthesized
> > > pop-corn noise. So, use a normal white-noise source and then integrate it.
> > > That should do the trick.
> >
> > Wouldn't that be quite inaudible ???
>
> You are forgetting that the "pop" you hear is the speakers or headphones
> responce to an unlikely DC shift. We *are* talking low-frequency here!

Yes. Integrating the white noise would provide a continuous function. The popcorn
noise would be (essentially) a discontinuous function (in fact, it would not be a
function at all having two Y values for one X).  Really it would have some slope, but
if it was too long its not audible.

H^) harry




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