Path: utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!samsung!zaphod.mps.ohio-state.edu!uwm.edu!carroll1!tkopp
From: tkopp@carroll1.cc.edu (Tom Kopp)
Newsgroups: alt.folklore.computers
Subject: Re: One swift kick cures all
Message-ID: <1067@carroll1.cc.edu>
Date: 10 Jan 90 16:18:00 GMT
References: <299@ns-mx.uiowa.edu> <1108@milton.acs.washington.edu> <1989Dec20.163031.29805@cs.rochester.edu> <1131@unsvax.NEVADA.EDU> <1189@bridge2.ESD.3Com.COM> <3193@iitmax.IIT.EDU> <1330@mit-amt.MEDIA.MIT.EDU> <6235@mentor.cc.purdue.edu>
Reply-To: tkopp@carroll1.cc.edu (Tom Kopp)
Organization: Carroll College-Waukesha, WI
Lines: 33

In article <6235@mentor.cc.purdue.edu> gt4@mentor.cc.purdue.edu (Ford Prefect) writes:
|Purdue has a large number of Zenith z29 terminals in their public
|terminal sites, which I use rather frequently.  Several of these have
|a similar tendency to squeal, only these do so at ~20kHz, which is
|above most people's audible range.  Alas, not mine.  I have been known
|to stalk the room tracking down the squealer (it's not easy to
|directionalize that noise) and then smack the terminal about several
|times until it stops.  Now, if there are other people (who probably
|can't hear the squeal), they start to wonder what the f*ck I'm doing
|beating up on terminals.....
|-- 
|    (a.k.a. Scott Goehring)     ...!purdue!mentor.cc.purdue.edu!gt4

Scott...

I know the feeling.  I too am 'blessed' with sensitive ears.  What REALLY
gets me irritated at times is that I hear strange noises, and track them down
as having come from a powered up TV or computer monitor, esp. those w/ no 
'image' being displayed.  I did some research and found out where this is
coming from.  One of the retrace pulses in the monitors is usually in the
18-20Khz range.  It is this that I've been hearing.  I remember as far back as
4th grade, I used to suddenly hear it as I neared the classroom with friends,
and sometimes said something like "$5 says we're seeing a movie today", and 
usually several people took me up on it.  :)  I only lost once...the class 
before ours had seen a movie and the equipment hadn't yet been powered down.

Tom.


-- 
Thomas J. Kopp:	Carroll College, Waukesha, WI knows not what I say.
tkopp@carroll1.cc.edu - uunet!marque!carroll1!tkopp
"It's not how long you live, but how much you live" - Me.