From eskimo!openwx!news.sprintlink.net!howland.reston.ans.net!swrinde!ihnp4.ucsd.edu!munnari.oz.au!mel.dit.csiro.au!its.csiro.au!dmssyd.syd.dms.CSIRO.AU!metro!news.cs.su.oz.au!news.adelaide.edu.au!crackle.aelmg.adelaide.edu.au!kburg Sat Feb 4 07:44:07 1995 Xref: eskimo alt.sci.physics.acoustics:1539 Path: eskimo!openwx!news.sprintlink.net!howland.reston.ans.net!swrinde!ihnp4.ucsd.edu!munnari.oz.au!mel.dit.csiro.au!its.csiro.au!dmssyd.syd.dms.CSIRO.AU!metro!news.cs.su.oz.au!news.adelaide.edu.au!crackle.aelmg.adelaide.edu.au!kburg From: kburg@aelmg.adelaide.edu.au (Rodney) Newsgroups: alt.sci.physics.acoustics Subject: Re: The 'Taos Hum' again <- a great paper! Date: 29 Jan 1995 22:05:08 GMT Organization: The University of Adelaide Lines: 34 Distribution: world Message-ID: <3gh3ek$s59@quandong.itd.adelaide.edu.au> References: <3g7g2a$aki@polo.iquest.com> NNTP-Posting-Host: crackle.aelmg.adelaide.edu.au In <3g7g2a$aki@polo.iquest.com> larrfull@iquest.com (Larry Fullerton) writes: >William Beaty (billb@eskimo.com) wrote: >: The 'Taos Hum,' that low throbbing noise reported by people across the >: country, turns out not to be detectable by audio or EM instruments. >: Therefor it does not exist. >The experiment you describe would be very compelling if successful, but it >is difficult to tell a subject which part of the wave interference to use >as the que to tap, so the coherency would be lost. A sightly different >experiment might be as convincing, albeit not a coherency test. Each >subject could be asked to turn the knob on the audio oscillator to the >frequency which gives a zero beat, and measure that frequency very >accurately (0.1 Hz is probably close enough, since a 10 sec. beat is >beyond the ability of a typical subject to perceive). The spread of >measured frequencies could then be analyzed and given a confidence level. >-- Larry A *fantastic* paper on related subjects is: Dean, O., 1991, "Problem Solving Infrasound", proc. InterNoise '91, Sydney Australia, pp. 863-866. Cheers, Kym _______________________________________________________________________________ Kym A. Burgemeister Department of Mechanical Engineering University of Adelaide South Australia Ph. +61 8 30 33156 5005 Facs. +61 8 30 34367 e-mail to : kburg@aelmg.adelaide.edu.au ===============================================================================