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[Jim Coleman, Sr.]

Hi Alexander:

The term "wolf tone" as used in recent posts refers to the very fast 
beating of coincident partials of a 4th or 5th that are a result of
tuning mostly pure 5ths or 4ths in a tempering scheme. This is not to be
confused with some of the high partial howls which can be heard in Bass
strings when there is a near coincidence between a transverse partial and 
a longitudinal partial on the same string.

Jim Coleman, Sr.

On Thu, 5 Mar 1998, Alexander Galembo wrote:

> Hi,
> 
> I have two questions to everybody who can answer them:
> 
> 1. I never heard wolftones in pianos, though they were mentioned in
> literature. How they sound? In what range? What a pitch they have? Is there
> any publications describing them?
> 
> 2. Long time ago, some serious piano makers (such as Steinway, Baldwin,
> Yamaha etc.) were conducting and using acoustical research of pianos. Now ,
> as I know, Steinway and Baldwin do not. 
> Which piano firms in the world are making or supporting acoustical research
> presently?
> 
> Thank you
> 
> Alex
> 
> 
> Alexander Galembo, Ph. D.
> NSERC-NATO Science fellow
> Acoustics lab, Dept. of Psychology, Queen's University
> Kingston ON  K7L3N6 
> Canada
> 
> Tel. (613) 5456000, ext. 5754
> Fax (613) 5452499
> E-mail: galembo@pavlov.psyc.queensu.ca
> URL   :  http://www.geocities.com/CapeCanaveral/Lab/8779/
> 
> 
>