Decibel Meter is an application for measuring sound volume in decibels(dB). This application in realtime shows current value of sound volume. The main indicator shows current sound volume value and giving short explanation of it. Also there is digital value in decibels(dB) in the bottom part of screen. Addition Equalizer analyzer feature give ability watch decibel values by frequencies Addition sound TimeLine analyzer feature give ability watch decibel for different time ranges Because any microphone has different characteristics, use can calibrate application.