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Yacker Tracker - "traffic light"


From: Judy Decker (Jdecker_at_TeacherArtExchange)
Date: Fri Feb 08 2002 - 07:40:29 PST

A Yacker Tracker is a self monitoring sound meter - looks like a traffic

The idea has been around for a long time (using a traffic light) - I don't
know how long they have been making this specifically for sound.

Judy Decker