[music-dsp] Magic zero crossings

Russell Borogove 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
nice
> > 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.

-RB





dupswapdrop -- the music-dsp mailing list and website: subscription info,
FAQ, source code archive, list archive, book reviews, dsp links
http://shoko.calarts.edu/musicdsp/




More information about the music-dsp mailing list