Sound Level Meter is in the 4th set of the Smart Tools collection (noise, decibel meter).
SPL(sound pressure level) meter app uses your built-in microphone to measure noise volume in decibels(db), and shows a reference. We had calibrated many android devices with the actual sound level meter with dB(A).
REMEMBER!! The built-in microphones were aligned to human voice (300-3400Hz, 40-60dB). Ther...
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Updated: December 06, 2013
Publisher: Smart Tools co.
Version 1.5.5 [1.363149 MB]
Great idea but needs some w... by LadyX
I took this app to the track with me this past weekend and used it on my HTC EVO and was sorely disappointed that it didn’t seem to work at all. It would move the DB needle up a bit when a loud sound occurred but when testing this alongside a real DB Meter it was grossly inaccurate. I held the phone at many different angles to be sure I was giving it the benefit of being held with the microphone the right way but nothing seemed to have an effect.