dBA estimate with IEC 61672 A-weighting
Green < 55 · Amber 55–75 · Red > 75 dB
Press ● REC to measure sound and log GPS.
Log frequency 25 Hz – 16 kHz · −95 to −15 dBFS
Bright horizontal lines are tones; wide low bands are rumble.
No sessions yet — press ● REC on the Live tab.
Added to the raw level (85–115).
5 s in a quiet room — the meter then reads 35 dB.
How often a sample is stored while recording.
Skips samples while you move faster than the threshold (bike > 4 m/s, walk > 1.5 m/s).
After 10 s standing still the spot is measured automatically (at most once a minute).
Oscillator audio + virtual GPS loop. Also via ?sim=1.
After paying, enter the e-mail you used at checkout — Pro activates automatically.
⚖️ Your e-mail address is stored only to deliver and activate your Pro license.
Part of the casuyi app portfolio.
What should be better?