Free sound level meter is an application that turns your smartphone into a
professional environmental noise meter. Measure any noise
or sound and shows the value in decibels in a simple way.
Can also be used as an applausometer!
Interface:
The interface is very simple and intuitive. Possibility to see
always minimum, average and maximum value in decibels and a graph with the acquired data.
Calibration:
You can easily calibrate your digital instrument, with just a few steps,
so as to always have a precise and professional sound level meter.
Information:
0 dB: Many people just hear a silent noise
30/40 dB: Ideal calm, quiet library
50 dB: Normal conversations at home
60 dB: Conversations in the restaurant, in the office, background music
70 dB: Vacuum cleaner
80 dB: Blender
90 dB: Drill
100 dB: Motorcycle
120 dB: Thunder
140 dB: Gunshot / siren
Note:
Microphones in most Android devices (samsung, huawei, oneplus, xiaomi, etc..) are aligned to the human voice.
The maximum values are limited by the device. Very loud sounds (over ~ 90 dB),
cannot be recognized on most devices. Use it only as an auxiliary tool.
If you need more accurate dB values, we recommend an actual sound level meter
Resolve minor bugs
9Apps 4.9
