[music-dsp] Magic zero crossings
kaleja at estarcion.com
Sat Nov 23 13:26:09 EST 2002
Laurent de Soras wrote:
> Magnus Jonsson wrote :
> > Zero crossings are often mentioned as suitable places for transitions in
> > audio processing, but what is so magical about them? Do they have some
> > property that makes transitions less obvious?
> Changing sound parameters at zero-crossing can help to avoid
> 0th-order discontinuity, but that's all.
Just for the record, if you restrict "zero crossing" to
mean negative-to-positive crossings you do place some
limits on the amount of 1st-order discontinuity, which
is a slight improvement.
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