I have simple audio files of single plucked notes from a guitar:
I want to graph the amplitude of each partials over time, rather than just have this color-coded "dB" intensity graphing I have here.
I can delete the extraneous frequencies in Izotope RX easily enough which I think does the same thing as FFT windowing:
Is this the right approach? How can I next get the amplitude of this window over time?
I know basic C++/JUCE but mostly for synth design. I'm not a pro on DSP, FFT, etc.
I appreciate any guidance.