In [1]:
import librosa
import matplotlib.pyplot as plt
import numpy as np
x, sr = librosa.load("raygun.mp3", sr=44100)
S = librosa.stft(x)
plt.imshow(np.abs(S)[::-1, :], aspect='auto', cmap='magma_r')
Out[1]:
<matplotlib.image.AxesImage at 0x7b7d25e61940>
In [ ]: