About this app

Sound Meter is also known as sound level meter, decibel meter (dB meter), noise meter, sound pressure level meter (SPL meter). phone microphone. 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. SPL(sound pressure level) meter app uses your embedded microphone to measure noise volume in decibels(db). dB, decibel Voice calls do not require high-performance microphones. The high decibel value will be harmful to your physical and mental health and hearing function. You'd better avoid exposure in noisy environments.

NOTE
Microphones in most android devices are aligned to human voice. Very loud sounds(over ~90 dB) may not be recognized in most device. So please use it as just an auxiliary tools. actual sound level meter,

A sound unit is any acoustic unit of sound measurement. dB, decibel - noise of sound measurement is called decibels (dB). Ratio of the sound pressure. sone - a unit of perceived loudness equal to the loudness of a 1000-hertz tone at 40 dB above threshold, starting with 1 sone. REMEMBER! Most smartphone microphones are aligned to human voice (300-3400Hz, 40-60dB). sound meter This app will use the phone microphone to measure environmental noise decibels (dB) and show a value for reference,With this app, you can easily measure the current level of environmental noise. To protect your family's health, detect the decibel value now
calibration of sound, Noise Calibration of sound level meter. RISE calibrates and verifies most types of sound level meters and sound analysers. I calibrated major android devices with an actual sound meter (dBA). You can trust the result in routine-noise levels (40-70dB). Please use it as an auxiliary tool. Vibrometer, Vibrometer: uses the phone sensors to measure vibration or an earthquake, and it shows a reference as a seism detector.



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New features

*FIXED New Crashes
*Fixed Some New Bugs
Material Look
Sound Meter
Sound Finder
Sound Detector
Select Range
Graph View

App Permissions

Allows applications to access information about Wi-Fi networks.
Allows applications to open network sockets.
Allows an application to record audio.
Allows using PowerManager WakeLocks to keep processor from sleeping or screen from dimming.
Allows applications to access information about networks.