In this article we will teach you to measure the volume of sound, commonly called noise, with an Android cell phone. We will also explain some interesting facts about this phenomenon that surrounds us.
Some basics about sound
Sound is produced when we exert pressure on the air molecules that are around us. The higher the pressure exerted, the greater the volume. To measure the intensity of the acoustic pressure of sound, a sound level meter. And the unit of measure is decibel (dB), which is one-tenth of a Bel. It was named after Alexander Graham Bell, inventor of the telephone.
A sound of 75 dB is already starting to be harmful. From 120 dB a sound begins to be painful. For that reason, it is important to control the intensity of the noise that is in our environment, because our health depends on it. That is why experts do not recommend increasing the volume of the mobile to the maximum.
In fact, there are some apps that are used to control the volume of the mobile in each application, which is a good way to protect your ears from the sounds of the mobile.
How to measure decibels with your mobile using the best apps
Currently there is no application native on Android that fulfills this function. Therefore, the first thing you will have to do is log into the Google Play Store with a Gmail account and download an application that allows you to measure the decibels or the amount of noise in your environment.
If you see so many that you don’t know which one to choose, then we are going to analyze some of the best free apps and we will explain a little about how to use them. However, we remind you to update the Google Play Store to its latest version so that you can install these applications without problems.
Before starting the analysis, keep in mind that the microphone of mobile phones is designed to work with the human voice range. For that reason, when using any of these applications do not expect professional results. Although for high decibels will not give an exact measurement, it will serve to give you an idea of the volume of the noise around you.
Splend Apps Sound Level Meter
This application, compatible with Android 4.1 or higher, allows you to measure the decibels of a room. When starting for the first time, the app will ask you for some basic permissions. After accepting them, you can start using this tool.
When taking a measurement, it will show you the average dB, as well as the maximum and minimum levels. It will also show you through a graph variations in measurement. On the other hand, even in their description, the developers explain that the app may not recognize sounds that exceed the 90 dB.
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Sound Meter – Noise detector
It is compatible with most devices. Despite being only available in English, thanks to its simple interface you will be able to use this app without inconvenience from the moment you download it.
As in the previous example, this application will show you the average, maximum and minimum values when taking a measurement. As it weighs less than 5 MB, it is ideal for mobiles that have little storage space.
Sound Meter – Decibel Meter
This application provides you with the average, maximum and minimum value of a measurement. In addition to fulfilling its main function, it also tells you when the noise in a room begins to be harmful to your health.
On the other hand, it has an intuitive and easy-to-understand interface. Also, you can toggle between a light theme and one dark. It also has a reduced version for very large phones.
EXXA Tools sound level meter
With this application you can make precise measurements of the noise in your environment. In order to give you the best results, the developers recommend calibrating the tool before using it. To do this go to Configuration → Calibration (automatic or manual). On the other hand, it is compatible with Android 2.3 or higher and weighs only 3.3 MB.
Sound Meter: Decibel meter, noise detector
Finally, Sound Meter is an application with a minimalist interface that will allow you to accurately measure the noise in your environment.
It will show you the results in a simple way; by means of a graph that informs the average as well as the maximum and minimum value of the measurement.
This app, in addition to fulfilling its main function, is ideal for those who are looking for something nice and pleasing to the eye.
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