dmastropole

# Perform a DCT
from essentia.standard import DCT

dct = DCT(inputSize=n_bands, outputSize=13)
mfccs = dct(log_mels)

plt.bar(np.arange(len(mfccs)), mfccs, align='center')
plt.title('Mel-Frequency Cepstrum')
plt.xlabel('Cosines')
plt.ylabel('Coefficients')

dmastropole

from essentia.standard import MFCC, FrameGenerator

mfcc = MFCC(highFrequencyBound=f_high,
            lowFrequencyBound=f_low,
            inputSize=1024,
            numberBands=n_bands,
            numberCoefficients=13,
            type='magnitude',
            sampleRate=44100)

dmastropole

# Plot MFCCs
plt.imshow(mfccs,
           aspect='auto',
           origin='lower',
           interpolation='none',
           cmap=plt.cm.Blues)
plt.title("MFCCs")
plt.xlabel("Frames")
plt.ylabel("MFCCs")