Bayesian Learning of Gaussian Mixture Densities for Hidden Markov Models Jean-Luc Gauvain author Chin-Hui Lee author 1991 text Speech and Natural Language: Proceedings of a Workshop Held at Pacific Grove, California, February 19-22, 1991 conference publication gauvain-lee-1991-bayesian https://aclanthology.org/H91-1053/ 1991