Sometimes, researchers in the acoustic field find themselves can't afford to purchase an advanced sound level meter (as myself) so they have to improvise to get the work done, by using smartphones as noise sensors with the help of the applications (Android system) provided generally in the play store, such as NoiseCapture, AudioTool, Decibel X pro, Smarter Noise Pro, Sound Spectrum Pro,.. where noise can be measured, monitored and even translated into spectra.
However, to use these applications properly, certain conditions must be considered.
Q1: How to properly calibrate a noise evaluating app ?
Q2: What's the best way to use the noise app, by being static at one place or by moving around while measuring ?
Q3: Participatory noise sensing, will it be a good strategy to get a large amount of data when measuring & monitoring a noisy situation ?
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