i don't have the science to even attempt this but on the same principle, i once thought that a hand help loudspeaker (voice gun) could be attached to a multiple sound producing oscilator of some sort, aimed at any offending (LOUD!) noise and neutralize it at source. sort of a getto-buster instead of blaster.
there's got to be a nobel in there somewhere ... - bill --- Herbert Ward <[EMAIL PROTECTED]> wrote: > > One might, a priori, suspect that two strings of a > course would occasionally vibrate 180 degrees out > of phase, cancel each other, and produce no sound. > I wonder why this never happens in the real world. > > I understand that such cancellation is the basis > of beats (eg, as used by piano tuners). But such > beats are usually subtle, and never produce any- > thing like complete silence. > > With two singers, one might formulate a hypothesis > based on the different timbres and the different > room positions. But such a hypothesis would not > cover the case of strings in a course pair. > > > > > To get on or off this list see list information at > http://www.cs.dartmouth.edu/~wbc/lute-admin/index.html > Send instant messages to your online friends http://uk.messenger.yahoo.com