Educators can choose from a variety of paid and free noise meter apps to help measure classroom sound levels and keep them in check. The visuals in the apps range from stoplights and bouncing balls to ...

Silent Light - Classroom Timer and Decibel Meter is a new app from the folks at Top Storey Apps. It was written by a pair of teachers for teachers to use in the classroom or homeschool environment.

In the classroom, decibel levels can gradually increase without us realizing it, until they begin to affect the atmosphere: more difficult communication, nervous irritation, reduced concentration, etc ...