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RE: sound propagation



In theory, it's the same old inverse square law, same as for radio waves.
However, the atmosphere (and most media) are somewhat lossy, so sound
intensity tends to fall off a bit faster than this, but I don't have any
exact forumulae for this. :-(

Tony Langdon. 
Systems Development and Support. 
ATC Training Australasia.  Level 2 321 Exhibition St Melbourne  3000. 
Phone:  1300 13 1983     WWW:  http://www.atctraining.com.au 



> -----Original Message-----
> From: Bob W7LRD [mailto:w7lrd@juno.com]
> Sent: Tuesday, 9 January 2001 15:21
> To: amsat-bb@AMSAT.Org
> Subject: [amsat-bb] sound propagation
> 
> 
> Hello
> I know one of you will know what I'm looking for.  How does sound
> intensity vary with distance?  Something like the square of 
> the distance
> blank blank blank.  A project came up where I can use this 
> information,
> and simply can not recall.  e-mail direct .
> Thanks
> 73...Bob...W7LRD
> ----
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