Error in utils/prepare_lang.sh for G.fst

[achintyaha]

I created an arpa format lm using CMU-LM_Toolkit and converted it to G.fst using 'arpa2fst --disambig-symbol=#0 cmu.arpa G.fst'.

I am getting this outpput where running 'utils/prepare_lang.sh data/local/dict '<OOV>' data/local/lang data/lang' and not able to understand what exactly is the issue?

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--> data/lang/G.fst is determinizable
FATAL: FstCompiler: Bad arc ilabel integer = "#0", source = standard input, line = 1
ERROR: FstHeader::Read: Bad FST header: standard input
--> ERROR: failure running check_g_properties.pl
--> Testing determinizability of L_disambig . G
fstdeterminizestar
fsttablecompose data/lang/L_disambig.fst data/lang/G.fst
--> L_disambig . G is determinizable
--> ERROR (see error messages above)
prepare_lang.sh: error validating output

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[achintyaha]

This is the G.fst

3    0    #0    <eps>    8.62525368
3    7637    a    a    4.37306929
3    7638    about    about    7.58172226
3    7639    accept    accept    8.56262302
3    7640    accompanied    accompanied    8.56262302
3    7641    according    according    7.71527147
3    7642    accordingly    accordingly    8.56262302
3    7643    achieve    achieve    8.96810818
3    7644    acting    acting    8.96810818

3    7645    action    action    8.05167961

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[Daniel Povey]

It looks to me like for some reason the LM disambiguation symbol #0 is not present in your words.txt.

It should be added by prepare_lang.sh, I think.

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[achintyaha]

Thanks Dan.
Wasable to resolve it.

But now I am stuck at a new error.

While mfcc feature extration, I am getting error (printed in exp/make_mfcc/data/train/make_mfcc_train.*.log)

ERROR (compute-mfcc-feats[5.5.235~1-8cbd5]:Read():parse-options.cc:365) Invalid option --write-utt2dur=ark,t:exp/make_mfcc/data/train/utt2dur.2

Recently I did git pull and after that it is failing. What can be the reason for this error?

Sumit

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[Jan Trmal]

you didn't recompile kaldi after git pull

y.

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