Noise Detector And Sound Meter (decibels SPL)

Шум детектор и звук метр и шум окружающей среды, звук Раздел: децибелы дБ SPL,

Sound Meter And Noise Detector

sound meter

Sound Meter is also known as sound level meter, decibel meter (dB meter), noise meter, sound pressure level meter (SPL meter).

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)

uint of Sound dB, decibel

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). 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. 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.

Use Microphone

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.

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,

Features:

Indicates decibel by gauge,

Display the current noise reference

Display min/avg/max decibel values

Can calibrate the decibel for each devices

Display decibel by graph.

Noise information.

Levels of Noise In decibels (dB) according to American Academy of audiology :

10 dB –Breathing

20 dB - Leaves rusting

30 dB - Whisper

40 dB - Quiet library

50 dB - Moderate rainfall

60 dB - Normal conversation

70 dB - Traffic

80 dB - Alarm clocks

90 dB - Power tools

100 dB - Snowmobiles

110 dB - Car horns Concerts,

120 dB - Jet planes taking off

130 dB - Ambulance, Jackhammers,

140 dB - fireworks, Gun shots,

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