Experimenting with waveforms

from modusa.generators import AudioWaveformGenerator

signal1 = AudioWaveformGenerator.generate_sawtooth(f=15, sr=1000, duration=4)
signal2 = AudioWaveformGenerator.generate_triangle(f=50, sr=1000, duration=4, A=2)
signal = signal1 | signal2

signal.print_info()

--------------------------------------------------
Title               : Sawtooth (15.0 Hz) | Triangle (50.0 Hz)
Type                : Audio Signal
Duration            : 8.00 sec
Sampling Rate       : 1000 Hz
Sampling Period     : 1.0000 ms
--------------------------------------------------

spec = signal.to_spectrogram(n_fft=128, hop_length=64).magnitude

focus_region = [(3.5, 4.5)]

display(signal.plot(highlight=focus_region, legend_loc="upper right"))
display(spec.magnitude.plot(highlight=focus_region))

display(spec.magnitude.mean(axis=0).plot(highlight=[(3.5, 4.5)]))
display(spec.magnitude.mean(axis=-1).plot(vlines=[15, 50], label=None))

(spec[:,1:] - spec[:,:-1]).plot(title="Sample Derivate of the spectrogram")