Sound Meter - Sound Test & Decibel Meter is useful sound test and noise meter tool for your Android.

With Decibel Meter, you can easily measure the current level of environmental noise.

The Sound Meter app shows decibel values by measure the environmental noise, displays measured dB values in various forms. Sound Test & Decibel Meter uses your microphone to measure noise volume in decibels(db).

Features:
- Display decibel by graph
- Display min/avg/max decibel values
- Display the current noise reference
- Calibrate the decibel for each devices

The high decibel value will be harmful to mental health and hearing function.To protect your and your family's health, detect the decibel value now!

Levels of Noise In decibels (dB) according to American Academy of Audiology
140 dB - Gun shots, fireworks
130 dB - Jackhammers, Ambulance
120 dB - Jet planes taking off
110 dB - Concerts, Car horns
100 dB - Snowmobiles
90 dB - Power tools
80 dB - Alarm clocks
70 dB - Traffic, vacuums
60 dB - Normal conversation
50 dB - Moderate rainfall
40 dB - Quiet library
30 dB - Whisper
20 dB - Leaves rusting
10 dB - Breathing