Re: [Kaldi-users] Problem with align-mapped

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

Both of those lexicons look kind of weird.  Firstly you have these
<BLANK> things everywhere, but apart from that, the path from that
word back to the start state in L.png requires the disambig symbol #0
on the output side, which does not seem right.  The symbol should
always be accepted optionally but should never be made mandatory.
Dan


On Tue, Aug 27, 2013 at 3:20 PM, Mailing list used for User
Communication and Updates <kal...@li...> wrote:
> Hi again,
>
> So, what I've always done is use a lexicon which contains disambiguation symbols, and use the --read-disambig-syms option and had no problem. But not anymore with my new FST which has a somewhat different structure..
> A smaller experiment showed that they were probably the reason why it didn't work.
> Attached are L.png: lexicon FST w/ disambig, L2.png: without
> The graph is empty when disambig symbols are there, but everything's fine when I remove them. I should check why this particular structure make the whole thing crash..
>
> Cheers,
> Téo
>
>
>
>
> ________________________________________
> From: Mailing list used for User Communication and Updates [kal...@li...]
> Sent: Tuesday, August 27, 2013 11:21 AM
> To: kal...@li...
> Subject: Re: [Kaldi-users] Problem with align-mapped
>
> I just committed a change to compile-train-graphs so that it notices
> when graphs are empty and does not output them, and prints warnings.
> The underlying problem here is probably something like a lexicon
> mismatch or a lexicon that lacks some pronunciations.
>
> Dan
>
>
> On Tue, Aug 27, 2013 at 9:57 AM, Mailing list used for User
> Communication and Updates <kal...@li...> wrote:
>> Hi! thanks!
>> I actually did something similar just after sending the email yesterday :
>>
>>> compile-train-graphs --transition-scale=1.0 --self-loop-scale=0.1  --read-disambig-syms=disambig_chars.list tree  best.mdl L.fst ark:test.tra ark,t:-
>> p03-096_6
>>
>> LOG (compile-train-graphs:main():compile-train-graphs.cc:138) compile-train-graphs: succeeded for 1 graphs, failed for 0
>>
>> -> the graph is indeed empty... I don't get why right know, but I guess the next step would be to try on a smaller yet realistic problem. I let you know when I find the origin of the problem what it was and how I solved it.
>>
>> Cheers,
>> Téo
>>
>>
>>
>> ________________________________________
>> From: Mailing list used for User Communication and Updates [kal...@li...]
>> Sent: Monday, August 26, 2013 7:26 PM
>> To: kal...@li...
>> Subject: Re: [Kaldi-users] Problem with align-mapped
>>
>> Check that compile-train-graphs is checking for nonempty graphs
>> (fst->NumStates() != 0, or similar.
>> Dan
>>
>>
>> On Mon, Aug 26, 2013 at 3:24 PM, Mailing list used for User
>> Communication and Updates <kal...@li...> wrote:
>>> Hi!
>>>
>>> I have a problem with align-mapped. It says
>>>
>>> WARNING (align-mapped:main():align-mapped.cc:124) Empty decoding graph for p03-096_6
>>>
>>> But if I use exactly the same arguments for compile-train-graphs, I get no problem :
>>>
>>> LOG (compile-train-graphs:main():compile-train-graphs.cc:138) compile-train-graphs: succeeded for 1 graphs, failed for 0
>>>
>>> Maybe it is a check that is done in align-mapped but not in compile-train-graphs.
>>>
>>> Anyway, any idea about what happens?
>>>
>>> I use the option '--read-disambig-syms' so the disambig symbols in my lex.fst shouldn't be an issue.. Any all words in the transcript are in the vocabulary..
>>>
>>> Cheers,
>>>
>>> Téo
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>
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