The subspace Gaussian mixture model - A structured model for speech recognition.

Daniel Povey Lukas Burget Mohit Agarwal Pinar Akyazi Kai Feng Arnab Ghoshal Ondrej Glembek Nagendra K. Goel Martin Karafiát Ariya Rastrow Richard C. Rose Petr Schwarz Samuel Thomas The subspace Gaussian mixture model - A structured model for speech recognition. 404-439 2011 25 Computer Speech & Language 2 http://dx.doi.org/10.1016/j.csl.2010.06.003 db/journals/csl/csl25.html#PoveyBAAKGGGKRRST11