19 Nov
1999
Sphinx
Speech Group, CMU-SCS (rkm@cs.cmu.edu)
What Next?
·Tree
lexicon still not as accurate as flat lexicon baseline
·Residual
word segmentation problems?
·Try
lextree replication?
·Use
of composite SSID model at leaf nodes?
·Parameters
not close to optimal?
·HMM
state acoustic score computation now dominant
·Back
to efficient Gaussian selection/computation