Hidden Markov Models (HMM) are compared to Gaussian Mixture Models (GMM) for describing spectral similarity of songs. Contrary to previous work we make a direct comparison based on the log-likelihood of songs given an HMM or GMM. Whereas the direct comparison of log-likelihoods clearly favors HMMs, this advantage in terms of modeling power does not allow for any gain in genre classification accuracy.
CITATION STYLE
Flexer, A., Pampalk, E., & Widmer, G. (2005). Hidden markov models for spectral similarity of songs. In Proceedings of the International Conference on Digital Audio Effects, DAFx (pp. 131–136).
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