While pruning a lattice wrt posterior probs
with this command:
lattice-tool -in-lattice lattice -read-htk -out-lattice - -write-htk
-posterior-prune 1.0e-1
I got this error
Lattice::computeForwardBackward: warning: called with unreachable nodes
If I decrease pruning threshold this error disappears.
Who can help me?
best regards
Nicola
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