dB Sound Meter

dB Sound Meter is a professional sound level meter in your Android phone. It can transform your smartphone into a sound level meter. It uses your microphone signal on your phone to be a SPL(sound pressure level) tester, it shows the db value for current environment. It's a very practical app,

dBSound Meter allows you to measure the volume of music, noise or any sound with your mobile phone with great precision and accuracy.

dB Sound Meter main feature:
* Wide ragne 0~120dB
* direct reading in dB
* Error tolerance 1.5db
* Live graph shows you the current noises
* Wide measure range and easy to use!
* Simple calibration interface
* Quick use at any time
* Protect ears and mind
* free