Large scale discriminative training of h
โ
P.C. Woodland; D. Povey
๐
Article
๐
2002
๐
Elsevier Science
๐
English
โ 197 KB
This paper describes, and evaluates on a large scale, the lattice based framework for discriminative training of large vocabulary speech recognition systems based on Gaussian mixture hidden Markov models (HMMs). This paper concentrates on the maximum mutual information estimation (MMIE) criterion wh