Re: Alias due to lamps (Tom Brennan )

Subject: Re: Alias due to lamps
From:    Tom Brennan  <g_brennantg(at)TITAN.SFASU.EDU>
Date:    Mon, 18 Jun 2001 15:56:08 -0500

I never realized the degree to which these high frequency sounds are being blasted into the environment until I began using the Sonicguide. Its receiver transducers are primarily 45-90k and picked up everything from bats to car keys to store lighting to automobile (especially small car) breaking systems. Tom Tom Brennan, CCC-A/SLP, RHD web page web master web master

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Electrical Engineering Dept., Columbia University