Sound Meter-Decibel And Noise Meter app uses your microphone to measure noise volume in decibels(dB).

With this app, you can easily measure the current level of environmental noise. The best helper to detect noise.

Features of Sound Meter-Decibel And Noise Meter:
_Indicate decibel by gauge
_Display the current noise reference
_Display minimum(Min), maximum(Max) and average(Avg) Decibel(dB) in the
recording session
_Display decibel by a graph, easy to understand
_Can calibrate the decibel for each device
_Show measurement histories
_Set warning for high decibel
_Day and night mode
_Transfer into smaller interface

Note:
The value of decibel meter or sound meter(dB meter) is not as precise as an actual Sound Pressure Level Meter(SPL Meter), sound meter, decibel meter or noise level meter, this is due to most device's microphone are aligned to human voice. To fix this, use an actual sound meter or sound pressure level meter (SPL meter) to adjust decibels error as close as possible before use. If you didn't own an actual Sound Pressure Level Meter (SPL meter), go to a very quiet place where sound cannot hear and adjust the reading value to 20~30 dB.

Sound meter or decibel meter(dB meter) level of noise
140 decibels : Gun Shots
130 decibels : Ambulance
120 decibels : Thunder
110 decibels : Concerts
100 decibels : Subway Train
90 decibel : Motorcycle
80 decibel : Alarm Clocks
70 decibel : Vacuums, Traffic
60 decibel : Conversation
50 decibel : Quiet Room
40 decibel: Quiet Park
30 decibel: Whisper
20 decibel: Rustling Leaves
10 decibel: Breathing

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