The measured values are related to Modified Mercalli Intensity scale (MMI). Vibrometer uses the phone sensors to measure vibration or an earthquake, and it shows a reference as a seism detector. Moto G4 (max.94), Galaxy S6 (85dB), Nexus 5 (82dB)… You can trust the result in routine-noise levels (40-70dB). Therefore maximum value is LIMITED by manufacturers, and very loud sound(100+ dB) cannot be recognized. REMEMBER!! Most smart phone microphones were aligned to human voice (300-3400Hz, 40-60dB). We calibrated a lot of android devices using an actual sound meter with dB(A). SPL(sound pressure level) meter app uses your microphone to measure noise volume in decibels(db), and shows a reference. Enjoy the Sound Meter Pro game! Sound Meter Pro is the 4th set of Smart Tools® collection. With this mod, this game will be easy for you. What you would expect in a Tools game is available in this game. Sound Meter Pro is the most famous version in the Sound Meter Pro series of publisher Smart Tools co. You can also see the amount of sound drop and rise by a momentary graph. It can also categorize the environment in terms of the amount of sound in it and declare that this amount of noise is suitable for which environments. This program works by using your phone’s microphone and can calculate and display the ambient sound level in decibels. Sound Meter Pro is an application for accurate measurement of sound intensity for the Android operating system, developed by the Smart Tools Co software group and published on Google Play at a price of $1.99. Developers have also used this hardware to build all kinds of applications, one of which is to measure the sound intensity of the environment using it. One of the most basic features of smartphones is having a microphone for sound transmission, which has become much better in recent years. Developers and programmers all over the world also use these sensors and hardware capabilities available on smartphones to create a variety of creative applications and games. In the last few years, we have seen the addition of various sensors to these smart devices, each of which could meet many different needs of users. Smartphones are becoming more advanced day by day and new features are added to them.
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