19 Nov 1999
Sphinx Speech Group, CMU-SCS (rkm@cs.cmu.edu)
Incorporating a Language Model
·
Language models essential for recognition accuracy
·
Reduce word error rate by an order of magnitude
·
Reduce active search space significantly
·
Implementation: associate LM probabilities with
transitions between words.
E.g.:
P(two | three)
P(two | one)
P(two | two)
UW
ONE
TWO
THREE
T
AH
W
N
R
TH
IY