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13 lines
365 B
Python
13 lines
365 B
Python
import matplotlib.pyplot as plt
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from scipy import signal
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from scipy.io import wavfile
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sample_rate, samples = wavfile.read('out.wav')
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print(sample_rate)
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frequencies, times, spectrogram = signal.spectrogram(samples, sample_rate)
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plt.pcolormesh(times, frequencies, spectrogram)
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plt.imshow(spectrogram)
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plt.ylabel('Frequency [Hz]')
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plt.xlabel('Time [sec]')
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plt.show() |