Spectrum Analyzer/Oscilloscope

A tone generator, spectrum analyzer, and oscilloscope for audible frequencies.

Built from the ground up with Material Design in mind, this is a real time spectrum analyzer, oscilloscope, and tone generator using your Android device's microphone and speaker. It can be used to visualize the full audio spectrum or test hearing with the tone generator.

Features:

*View audio spectrum up to 20 kHz

*Max Hold

*Averaging

*Oscilloscope display

*20-20,000 Hz tone generation

*44,100 Hz sampling rate

Future Updates:

*pinch to zoom

*filters

*read samples in file