Sound Oscilloscope app is a simple oscilloscope that shows sound waveform. If you use this app you can watch and analyze waveform of your voice, a musical instrument, a car, a train and more... Further, Sound Oscilloscope allows you to watch sound spectrum and you can know the overtone structure of the sound. The working range of the app is 30 Hz to 4000 Hz. How about observing various kind of sound? Sound Oscilloscope will accompany you. Features -Sensitive algorithm -Shows waveform of sound -Shows spectrum of sound -Shows power level of sound