Re: [Kaldi-users] Monophone DNN traning on TIMIT

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

Thanks for the info guys.


On Thu, Aug 15, 2013 at 8:00 PM, Mailing list used for User Communication
and Updates <kal...@li...> wrote:

> This is because all discriminative training setups (not just for DNNs)
> assume that they are using triphone models. The easiest way for you to
> fix it will be to add '--mono' option to where utils/mkgraph.sh is
> being called in make_denlats_nnet.sh
>
> As far as I know, there is currently no easy way to tell what kind of
> context-dependency the models use. It is assumed that the user knows
> what they are doing. For example, the setups won't work for quinphone
> models either without making the necessary modifications to the mkgrph
> options. Maybe one can write something like 'tree-info' and use that
> to automatically set the mkgraph options.
>
> -Arnab
>
> On Thu, Aug 15, 2013 at 10:17 AM, Mailing list used for User
> Communication and Updates <kal...@li...> wrote:
> > Hi All,
> >
> > I am trying to train a DNN for TIMIT as it is much smaller to play with.
> So,
> > I modified the run_dnn.sh file given in the wsj/s5 setup. However, while
> > trying to perform sMBR, following error occurred. Your advice is highly
> > appreciated.
> >
> > Thanks,
> > Lahiru
> >
> > steps/make_denlats_nnet.sh --nj 100 --cmd run.pl --config
> > conf/decode_dnn.config --acwt 0.10 data-fmllr-mono/train data/lang
> > exp/mono_pretrain-dbn_dnn exp/mono_pretrain-dbn_dnn_denlats_train
> > steps/make_denlats_nnet.sh --nj 100 --cmd run.pl --config
> > conf/decode_dnn.config --acwt 0.10 data-fmllr-mono/train data/lang
> > exp/mono_pretrain-dbn_dnn exp/mono_pretrain-dbn_dnn_denlats_train
> > Making unigram grammar FST in
> exp/mono_pretrain-dbn_dnn_denlats_train/lang
> > Compiling decoding graph in
> exp/mono_pretrain-dbn_dnn_denlats_train/dengraph
> > fstminimizeencoded
> > fsttablecompose
> exp/mono_pretrain-dbn_dnn_denlats_train/lang/L_disambig.fst
> > exp/mono_pretrain-dbn_dnn_denlats_train/lang/G.fst
> > fstdeterminizestar --use-log=true
> > fstisstochastic exp/mono_pretrain-dbn_dnn_denlats_train/lang/tmp/LG.fst
> > 1.2886e-05 -0.000277955
> > fstcomposecontext --context-size=3 --central-position=1
> > --read-disambig-syms=exp/mono_pretrain-dbn_dnn_denlats_train/lang/phones/
> disambig.int
> > --write-disambig-syms=exp/mono_pretrain-dbn_dnn_denlats_train/lang/tmp/
> disambig_ilabels_3_1.int
> > exp/mono_pretrain-dbn_dnn_denlats_train/lang/tmp/ilabels_3_1
> > fstisstochastic
> exp/mono_pretrain-dbn_dnn_denlats_train/lang/tmp/CLG_3_1.fst
> > 1.25878e-05 -0.000277955
> > make-h-transducer
> > --disambig-syms-out=exp/mono_pretrain-dbn_dnn_denlats_train/dengraph/
> disambig_tid.int
> > --transition-scale=1.0
> > exp/mono_pretrain-dbn_dnn_denlats_train/lang/tmp/ilabels_3_1
> > exp/mono_pretrain-dbn_dnn/tree exp/mono_pretrain-dbn_dnn/final.mdl
> > ERROR (make-h-transducer:GetHmmAsFst():hmm-utils.cc:41) Context size
> > mismatch, ilabel-info [from context FST is 3, context-dependency object
> > expects 1
> > ERROR (make-h-transducer:GetHmmAsFst():hmm-utils.cc:41) Context size
> > mismatch, ilabel-info [from context FST is 3, context-dependency object
> > expects 1
> >
> > [stack trace: ]
> > kaldi::KaldiGetStackTrace()
> > kaldi::KaldiErrorMessage::~KaldiErrorMessage()
> > kaldi::GetHmmAsFst(std::vector<int, std::allocator<int> >,
> > kaldi::ContextDependencyInterface const&, kaldi::TransitionModel const&,
> > kaldi::HTransducerConfig const&, std::tr1::unordered_map<std::pair<int,
> > std::vector<int, std::allocator<int> > >,
> > fst::VectorFst<fst::ArcTpl<fst::TropicalWeightTpl<float> > >*,
> > kaldi::HmmCacheHash, std::equal_to<std::pair<int, std::vector<int,
> > std::allocator<int> > > >, std::allocator<std::pair<std::pair<int,
> > std::vector<int, std::allocator<int> > > const,
> > fst::VectorFst<fst::ArcTpl<fst::TropicalWeightTpl<float> > >*> >,
> false>*)
> > kaldi::GetHTransducer(std::vector<std::vector<int, std::allocator<int> >,
> > std::allocator<std::vector<int, std::allocator<int> > > > const&,
> > kaldi::ContextDependencyInterface const&, kaldi::TransitionModel const&,
> > kaldi::HTransducerConfig const&, std::vector<int, std::allocator<int> >*)
> > make-h-transducer(main+0x4b5) [0x59bc31]
> > /lib64/libc.so.6(__libc_start_main+0xf4) [0x3bafe1d994]
> > std::basic_filebuf<char, std::char_traits<char> >::xsputn(char const*,
> long)
> >
> >
> >
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