Sound Meter
Microphone-driven volume meter with whisper challenge and a Balls physics view.
Launch Sound Meter →What it does
- Mic RMS-driven needle, sensitivity 0.25x to 2.0x
- Phrase pill and whisper challenge
- Noise heat-map (record / export PNG and CSV)
- Balls view (Matter.js physics) for visual interest
For UK primary teachers
Sound Meter is part of the free EduMania Teaching Toolbox — 50+ classroom visualisers covering Maths, English, classroom utilities and wellbeing. No sign-up to try, designed for whiteboards and tablets, and aligned to the UK National Curriculum across EYFS, KS1 and KS2.