Classroom Noise Meter
A free classroom noise meter teachers project in seconds. It calibrates to the room, shows Quiet, OK, Noisy or Too loud, and never records a sound. Traffic light, bubbles, bouncy balls, Quiet jar, seating chart and name picker.
classroomnoisemeter.org
About Classroom Noise Meter
Classroom Noise Meter is a free noise monitor teachers project in seconds. Ten quiet seconds set the room's floor; the screen then shows Quiet, OK, Noisy or Too loud, words the back row can read. Scenes for tests, independent work, group work and free time sit a fixed distance above that floor, so the same meter works on a Chromebook in a quiet room or a webcam in a gym. Visual modes include a traffic light, bubbles, bouncing balls, a plain monitor and custom pictures, plus an optional Quiet jar that adds a marble for each quiet minute. A seating chart, random name picker and group generator share one class list. Nothing is recorded or uploaded, and no account is needed; an optional Pro plan is 36 dollars a year.
Key features
- Calibrates to the room in ten quiet seconds
- Shows Quiet, OK, Noisy or Too loud, readable from the back row
- Traffic light, bubbles, bouncing balls, custom pictures
- Quiet jar adds a marble for each quiet minute
- Seating chart, name picker and group generator share one class list
Who is this website for?
K-12 teachers and classroom assistants, including Chromebook and iPad classrooms.
What can visitors do here?
Keep group work, independent reading and tests at an agreed noise level without repeating the reminder, and give students a visual they can self-correct against.
What makes it different?
Calibrates to the room first, so the same thresholds work in a quiet library room or a loud gym; shows readable words instead of a raw decibel number; records and uploads nothing.
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