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

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

I think tree-info may already exist.
Dan


On Thu, Aug 15, 2013 at 2:00 PM, Arnab Ghoshal <ar...@gm...> 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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