This decibels of volume or decibel meter (dB meter), the noise meter, sound level meter (SPL meter).
The noise of their surroundings is the sound level meter to measure how much.
This shows that the referenced using your built-in microphone.
You can measure the number of Android devices in dB and the actual sound level meter.
You are the maximum value and the minimum value, starting the measurement noise, and can determine an average value.
* Fast dB response
* Indicates the maximum / minimum / average values
* Classic analog display
* Graph Display
* Horizontal / Vertical screen rotation
* Use a microphone source
* Tablet Support
Every smartphone, you can have an error of measurement.
You sound a maximum value of Android phones may vary from unit to 80 ~ 100dB.
Use only memories of fun and auxiliary tools or equipment.
Microphones in Android devices are made to record human voice, therefore the maximum noise is limited and very loud sounds cannot be recognized (in most cases above 100dB). Sound Meter PRO is calibrated to be accurate in +-2.5 dB range of actual noise level and is probably by far the most accurate sound meter on Google play. We have adjusted Sound Meter PRO with the use of professional sound meter used by sound engineers and made required adjustments for many Android devices, including the most popular devices on the market today.
Levels of Noise In decibels (dB) according to American Academy of Audiology (www.audiology.org):
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
Why would you use Sound Meter PRO? Measure the noise your neighbors make, check new computers, refrigerators, air conditioning units before your buy them for noise levels and select the more quiet ones, to have less noise pollution in your home. Measure how loud your car, motorcycle is. Adjust the sound system for the party you are making to safe levels not to damage peoples hearing. Measure the noise in the apartment, house you are about to buy, it might be too noisy to live in and demand for extra noise insulation. Measure your love ones snoring levels and show them the graph after. Possibilities are endless, Sound Meter PRO is a must have app for every Android device.
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