Requirements: Android 1.6+
Overview: You can measure the environmental noise in decibels.

You can measure the environmental noise in decibels.

Sound Level Meter is the part 4. of Smart Tools series. (noise)

Acoustimeter uses your phone mic to measure noise volume in decibels(dB) and shows a reference. SPL(sound pressure level) noisemeter.

REMEMBER!! Most of the microphone had been aligned to human voice(300-3400Hz) and they did not had high performance. So the hardware maximum values are LIMITED. (See the sound pressure at calibrate menu. it stops at 32767.)

* See the 4-5nd image. Moto Droid(Max.100), Galaxy S(Max.81), Galaxy S2(98dB), Galaxy Tab, Desire and Desire HD have been calibrated by the real sound level meter with dB(A).

More Info:
Code:

https://play.google.com/store/apps/details?id=kr.sira.sound&feature=more_from_developer#?t=W251bGwsMSwxLDEwMiwia3Iuc2lyYS5zb3VuZCJd





http://www.MegaShare.com/4086947

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