Share 'Software that I use, and how: harmonics and FFT'
Look at this:
It is 1 second of pink-noise. A the top you can see the waveform, at the bottom a very confusional image, its spectrogram.
Now look at this:
It's the same waveform zoom in at 12 millisecond; you note the irregularity of wave and its spectrogram.
An other picture:
This is 1 second sawtooth at 1500 Hz (or CPS, Cycles Per Second); it means 1500 crests wavefor…
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