lattice-tool and noise probability

[Andreas Stolcke]

Tanel wrote:
> Hello,
>
> When rescoring lattices using lattice-tool, is there a possibility (or
> a workaround) to assign a LM probability to noise words? The noise
> words should still be skipped when calculating n-gram probabilities
> for other words.
>
> I understand that currently, noise words get a LM probability of
> log-zero, which may make them too probable to be inserted in place of
> other candidates.
No, there is no such provision in lattice-tool. It should be really easy 
to write perl script that
reads a lattice file and insert a constant LM score of your choosing for 
noise words.

Andreas

>
> Regards,
> Tanel