A lot of interesting ideas. I like the "clickty clack" one as the thought o=
f=20
grown people talking about clicky clacks amusing.

Now is time to collect data using various sensors and placements to analyze=
=20
for a place to start.

Using audio editing software to look at the data is great. And data from=20
most other sensors might somewhat resemble a audio waveform so that the=20
editor could also be used as a tool with the other sensors. Would need a=20
program to convert a data file into a wav file, Or it might be possible to=
=20
record the non audio sensor with a audio recorder..

But get data and examinee it till you find something in the signal that you=
=20
could use.

Found audio of subway.  Are tiny url's encouraged?

http://funny-stuff.audio4fun.com/funny-audio-clips.php?stuff=3Dsubway---tra=
in-pulling-into-station,-train-pulling-out&id=3D19496



Bill

--=20
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