Classroom Noise Meter
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Your browser will ask for microphone access. Sound is analysed on your device only and never recorded or sent anywhere.
How to use the noise meter
Press Start meter and allow microphone access. The bar shows the current noise level. Drag the limit slider to suit the activity, lower for quiet work and higher for group work. When the room goes over the limit the bar turns red so students can see it and bring the volume down themselves.