At Mon, 10 Aug 2009 21:07:46 -0700,
Brad Fuller wrote:
> 
> Hi All,
> 
> I'm looking for a demonstration about acoustics. This would be for a
> college-level beginning class. I doubt that one exists, but I thought
> that maybe I could start with a physics project (or any code, if you
> have it) to get an idea of how to create/modify for acoustics
> demonstrations.
> 
> Any ideas most welcome!

  I once was writing a version of distance measuring
(http://wiki.laptop.org/go/Acoustic_Tape_Measure and some discussion
on it at: http://dev.laptop.org/ticket/5202) by using the spectrum
analyzer.  I don't think I have the working project but just a
thought...

-- Yoshiki