[1] http://www.ifs.tuwien.ac.at/~schindler/lectures/MIR_Feature_Extraction.html
[2] http://practicalcryptography.com/miscellaneous/machine-learning/guide-mel-frequency-cepstral-coefficients-mfccs/
[3] https://github.com/tyiannak/pyAudioAnalysis
[4] http://www.nyu.edu/classes/bello/ACA_files/8-classification.pdf
[5] http://www.jeroenbreebaart.com/papers/soia/soia2004.pdf
[2] http://practicalcryptography.com/miscellaneous/machine-learning/guide-mel-frequency-cepstral-coefficients-mfccs/
[3] https://github.com/tyiannak/pyAudioAnalysis
[4] http://www.nyu.edu/classes/bello/ACA_files/8-classification.pdf
[5] http://www.jeroenbreebaart.com/papers/soia/soia2004.pdf