Sound Meter

Sound Meter - Decibel meter & Noise meter :

Sound Meter - Decibel meter & Noise meter is also known as a decibel meter, sound level meter, noise detector. It is a helpful app to detect sound and noise from your surroundings.

Sound level meter(or SPL) app is shows a decibel values by measure the environmental noise, displays measured dB values in various forms. You can experience tidy graphic design with high frame by this smart sound meter app.

Rate the quality of the microphone bandwidth of your device, using a spectrum analyzer.Determine the dynamic range of the sound in different frequency bands.

The high decibel value will be harmful to your physical and mental health and hearing function. You'd better avoid exposure in noisy environments.
To protect your and your family's health, detect the decibel value now!

*Features:
- Upside down mode
- Level notification
- Line-chart duration
- Material design
- Indicates decibel by gauge
- Display the current noise reference
- Display min/avg/max decibel values
- Display decibel by graph line
- Display Elapsed time of decibel
- Can calibrate the decibel for each devices


*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
60 dB - Normal conversation
50 dB - Moderate rainfall
40 dB - Quiet library
30 dB - Whisper
20 dB - Leaves rustling
10 dB - Breathing



**Notes
Microphones in most android devices are aligned to human voice. The maximum values are limited by the device. Very loud sounds(over ~90 dB) may not be recognized in most device. So please use it as just an auxiliary tools. If you need more accurate dB values, we recommend a actual sound level meter for that.


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