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V3.8 changes: Improved graphics and usability.
Professional sound level decibel (dB) meter
Professional sound level meter that measures loudness or sound pressure level (SPL) in decibels. If features direct reading in dB (dBA), has wide measuring range, Min/Max function and additional digital display. NOTE: This app can measure sound level in decibels using your device's microphone located on the bottom. The accuracy of the measured sound level depends on your device's microphone quality and can be improved by performing a calibration procedure described in app's info screen.