14 lines
447 B
Python
14 lines
447 B
Python
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import librosa
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import matplotlib.pyplot as plt
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def plot_spectrogram(spec, title=None, ylabel="freq_bin", aspect="auto", xmax=None):
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fig, axs = plt.subplots(1, 1)
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axs.set_title(title or "Spectrogram (db)")
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axs.set_ylabel(ylabel)
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axs.set_xlabel("frame")
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im = axs.imshow(librosa.power_to_db(spec), origin="lower", aspect=aspect)
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if xmax:
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axs.set_xlim((0, xmax))
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fig.colorbar(im, ax=axs)
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plt.show(block=False)
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