Husker Scope provides an all-in-one cross platform application that implements a Dual Channel (DC) Function Generator, DC AM/FM Modulator, DC Oscilloscope, and a DC Spectrum Analyzer functionality for use within UNL engineering courses and around the world. This app outputs audio range (20Hz to 20,000Hz) signals via the speakers / 3.5mm audio jack left & right channels and inputs signals via the microphone input within the audio range.
For more information:
https://www.huskerscope.com