[music-dsp] I need a copy of Smith waveguids paper
anig_browl at yahoo.com
Fri Jun 29 05:22:55 EDT 2001
From: Pan <jaimelm at umich.edu>
> check out this link....
> Makes you wonder...
How the army got a patent on this I don't know - a 3400Hz tone with LFO-FM?
It's almost the same as those obnoxious car alarms. It is difficult to
screen out such a high frequency with ear protection, and ~2Hz oscillations
at volume can make some people feel ill, as such frequencies affect the
digestive organs. I assume from the shape of their projector that it seems
both very loud, and that because of an acoustical trick the bass frequency
oscillation will seem to have a great deal of power. But it's not going to
be that much use for crowd control IMHO.
I'd like to take those army guys to a drum and bass party and see how they'd
cope with those massive distorted sub basses. But perhaps that would be more
of a navy thing :-) It's clear that they know little about techno, as the
army themselves comment "TACOM's new GAYL Blaster is sure to be a
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