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Improving robustness of MLLR adaptation with speaker-clustered regression class trees.
Arindam Mandal
Mari Ostendorf
Andreas Stolcke
Published in:
Comput. Speech Lang. (2009)
Keyphrases
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speaker adaptation
decision trees
regression model
speech recognition
hidden markov models
maximum likelihood
classification trees
training data
support vector
multi class
dimensionality reduction
class labels
linear regression
multi class classification
reproducing kernel hilbert space
internal nodes