Nicola Bertoldi wrote:
> 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?
If you prune too much you remove enough nodes such that some paths
to/from the initial/final
nodes are cut off, and some nodes become unreachable.
--Andreas
>
> best regards
> Nicola
>
>
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