In article <5t92931ls25pqu5lbvccut7d1fp2fke4g5@4ax.com>,
Jeff Liebermann <jeffl@cruzio.com> wrote:

> isw <isw@witzend.com> hath wroth:
>
> >> I beg to differ. There's no mixing happening in the air. compression
> >> of air is very linear (Boyles Law or PV=constant).
> >
> >In general, that's true, but take a look at what happens in the throats
> >of high-powered horn loudspeakers. You can find info in e.g. "Acoustics"
> >by Beranek.
> >
> >Isaac
>
> What am I suppose to look for?

Information about the nonlinearity of air; what else? You said
"compression of air is very linear", but there are situations in
acoustics where it is not.

Isaac