import librosa
import librosa.display
import matplotlib.pyplot as plt
y, sr = librosa.load(librosa.util.example_audio_file(), duration=10)
librosa.output.write_wav('original.wav', y, sr)
y_harmonic, y_percussive = librosa.effects.hpss(y)
librosa.output.write_wav('harmonic.wav', y_harmonic, sr)
librosa.output.write_wav('percussive.wav', y_percussive, sr)

# Waveform monofonico
plt.figure()
plt.subplot(3, 1, 1)
librosa.display.waveplot(y, sr=sr)
plt.title('Monofonico')

# Waveform stereo

y, sr = librosa.load(librosa.util.example_audio_file(),
                     mono=False, duration=10)
plt.subplot(3, 1, 2)
librosa.display.waveplot(y, sr=sr)
plt.title('Stereo')

#Componentes Harmonicos and percussivos

plt.subplot(3, 1, 3)
librosa.display.waveplot(y_harmonic, sr=sr, alpha=0.25)
librosa.display.waveplot(y_percussive, sr=sr, color='r', alpha=0.5)
plt.title('Harmonico(Azul) e Percussivo(Vermelho)')
plt.tight_layout()
plt.show()