Audio Signal Processing, Signal, Digital Signal Processing, Amplitude, Machine Learning.
https://blogs.arubanetworks.com/industries/frequency-cycle-wavelength-amplitude-and-phase/ [6] https://en.wikipedia.org/wiki/Audio_signal_processing [7] https://en.wikipedia.org/wiki/Signal_processing [8] https://www.analog.com/en/design-center/landing-pages/001/beginners-guide-to-dsp.html [9]