A quick weekend project: scrolling spectrogram application for QuadPawn.
<LINK_TEXT text=“https://github.com/PetteriAimonen/QuadP … pectrogram”>https://github.com/PetteriAimonen/QuadPawn/wiki/Spectrogram</LINK_TEXT>
First 500 Hz signal from waveout, then 50Hz noise from my finger:
Some music from youtube: