Device-microphone screening · Not a certified sound-level measurement
Stopped
Sound level
--dB(A)
Waiting for microphone
--LAeq (average)
--Max
--Min
--L10 (exceeded 10%)
--L50 (median)
--L90 (background)
Settings
Noise dose (NIOSH, 85 dBA, 3 dB exchange)
0.0%00:00:00
One file with results, charts and the full 1-second data log. It opens in any browser; use Print there to save it as PDF.
Phone and laptop microphones are not certified instruments. Match the offset against a reference meter or calibrator to trust absolute values. Echo cancellation and auto gain are turned off for accuracy.