def constantFrequencyExample(start=1.9, duration=0.5):
filteredSignal = helpers.getSignal(start, duration, low_pass=100, high_pass=90, input_file="raw-epdf.wav")
spectrum = helpers.getSpectrum(start, duration, low_pass=100, high_pass=90, input_file="raw-epdf.wav")
segment = helpers.getSegment(start, duration, input_file="raw-epdf.wav")
helpers.makeWavFromSpectrum(spectrum, segment, outputFile="recoveredWav.wav")
# firstPeak = min([i[0] for i in spectrum.peaks()])
helpers.plot(spectrum)
def periodic_signal_spectrum(start=1.9, duration=4.8):
spectrum = helpers.getSpectrum(start, duration, low_pass=100, high_pass=90, input_file="raw-epdf.wav")
helpers.plot(spectrum)
