impedance and empericism

[Don]

Hi Ric,

>Ric....
>I have thought of this.  If I am standing outside my window and a loud
>speaker inside is playing a tone of 440 cps, do I hear 440 cps?  Some may
>ask, why not?
>And I answer, inside my house it is 70 degrees F and outside where I am
>standing it is 10 degrees below zero.   We know that the temperature of the
>tone producing device  affects the pitch.

Hmm interesting--I suspect that when sound waves hit a temperature
differencial that they refract just as light does--and I seem to rememeber
that does affect frequency. I could have just imagined that--anyone know
for sure?

 
Regards,
Don Rose, B.Mus., A.M.U.S., A.MUS., R.M.T., R.P.T.

Tuner for the Saskatchewan Centre of the Arts

drose@dlcwest.com
http://donrose.htmlplanet.com/

3004 Grant Rd.
REGINA, SK
S4S 5G7
306-352-3620 or 1-888-29t-uner