19 Nov
1999
Sphinx
Speech Group, CMU-SCS (rkm@cs.cmu.edu)
Single Word Recognition
·Search
all words in parallel
·Initialize
start state of every word with path-score 1.0
·For
each frame of input speech:
·Update
path scores within each HMM
·Propagate
exit state score from one HMM to initial state of its successor (using
Viterbi criterion)
·Select word with best
exit state path-score
UW
ONE
TWO
THREE
T
AH
W
N
R
TH
IY