Re: [Kaldi-users] !SIL in output

[Mailing l. u. f. U. C. a. U. <kal...@li...>]

[forwarding the answer to a question in case it's useful for others; this
is just an archiving exercise.]

On Mon, Feb 11, 2013 at 11:52 AM, Daniel Povey <dp...@gm...> wrote:

> It is normal not to have a symbol for silence.
> The way the FST composition works is, the LM has no silence symbols in it,
> and we compose with a lexicon that adds optional silence phones (but does
> not put silence symbols in).
> Probably the easiest way to get the silence info, if you are using the s5
> recipe, is to use the "lattice-align-words" program.   This program is
> basically for lining the input and output symbols up so that the input
> symbols (pdfs) for a word are on the same arc as that word; it puts the
> optional silences on separate arcs. You can specify what symbol you want it
> to use for silence; by default it is epsilon (0).  You would have to make
> sure there is a symbol in your words.txt for silence.
>
> Dan
>
>
>
> On Mon, Feb 11, 2013 at 11:13 AM <someone> wrote:
>
>>  Hi Dan & Arnab,****
>>
>> ** **
>>
>> I do not see !SIL in the output of WSJ0 decoding.****
>>
>> ** **
>>
>> Is it OK?****
>>
>> ** **
>>
>> What should I change in order to get !SIL information in the decoding?***
>> *
>>
>> ** **
>>
>> Thanks,****
>>
>> [name removed]
>>
>