TuneUniversal
Online sound level meter
Measure estimated microphone sound level in dB with adjustable sensitivity.
Estimated level
Quiet--dB
Current
-- dB
Minimum
-- dB
Average
-- dB
Maximum
-- dB
Last 30 seconds
--Environment reference
dB
Environment
30
Library
40
Quiet home
60
Conversation
80
Traffic
100
Concert
0 dB
This is an estimate from the browser microphone, not a certified dB SPL measurement.
How it works
- Allow microphone access.
- Adjust sensitivity to calibrate the reading.
- Read estimated dB, average and peak in real time.
FAQ
Is it a certified sound meter?
No. It uses the browser microphone and gives a useful estimate for practice and room checks, not a professional dB SPL measurement.
How do I adjust sensitivity?
Use the sensitivity/calibration slider if the reading feels too high or too low for your environment.