[CAUT] coupled motion and other myths

[Richard Moody]

What is a "capacitive vibration probe"  Why are the measurements from this
superseding a microphone?   How accurate is it?  Have you ever tried it?  

So where in the paper is the definition or a precise explanation of couple
motion? Basically, I don't think it happens in pianos,,,I didn't see the
proof there.  Without proof there is no sense in believing in it.   ( wonder
what that looks like in Latin?) :   )       

R moody

-----Original Message-----
From: caut-bounces at ptg.org [mailto:caut-bounces at ptg.org] On Behalf Of Don
Sent: Sunday, June 10, 2007 8:19 PM
To: College and University Technicians
Subject: Re: [CAUT] coupled motion and other myths

Hi Richard,

Check out the article from 1979 in the Scientific American. I believe it is
titled "The Coupled Motion of Piano Strings".

Also see this link:

http://www.speech.kth.se/music/5_lectures/weinreic/strings.html

And read the next two linked pages after it.

Also try a google search on coupled motion of piano strings.

Perhaps there has been enough scientific research done to accept that
coupling of the strings does really happen.