Perform TDNN decoding nnet3-latgen-faster \ using librespeech pre-trained model

[dhamaraiselvi]

nnet3-latgen-faster --online-ivectors=scp:/home/kaldi/Experiments/Librespeech/exp/nnet3_cleaned/ivectors_test_hires/ivector_online.scp --online-ivector-period=10 --frame-subsampling-factor=3 --frames-per-chunk=50 --extra-left-context=0 --extra-right-context=0 --extra-left-context-initial=-1 --extra-right-context-final=-1 --minimize=false --max-active=7000 --min-active=200 --beam=15.0 --lattice-beam=8.0 --acoustic-scale=1.0 --allow-partial=true --word-symbol-table=/home/kaldi/Experiments/Librespeech/exp/chain_cleaned/tdnn_1d_sp/graph_tg_small/words.txt /home/kaldi/Experiments/Librespeech/exp/chain_cleaned/tdnn_1d_sp/final.mdl /home/kaldi/Experiments/Librespeech/exp/chain_cleaned/tdnn_1d_sp/graph_tg_small/HCLG.fst 'ark,s,cs:apply-cmvn --norm-means=false --norm-vars=false --utt2spk=ark:$wav_dir/utt2spk scp:$wav_dir/cmvn.scp scp:$wav_dir/feats.scp ark:- |' 'ark:|lattice-scale --acoustic-scale=10.0 ark:- ark:- | gzip -c >$model_path/chain_cleaned/tdnn_1d_sp/decode_test_hires_tgsmall/lat.1.gz'
nnet3-latgen-faster --online-ivectors=scp:/home/kaldi/Experiments/Librespeech/exp/nnet3_cleaned/ivectors_test_hires/ivector_online.scp --online-ivector-period=10 --frame-subsampling-factor=3 --frames-per-chunk=50 --extra-left-context=0 --extra-right-context=0 --extra-left-context-initial=-1 --extra-right-context-final=-1 --minimize=false --max-active=7000 --min-active=200 --beam=15.0 --lattice-beam=8.0 --acoustic-scale=1.0 --allow-partial=true --word-symbol-table=/home/kaldi/Experiments/Librespeech/exp/chain_cleaned/tdnn_1d_sp/graph_tg_small/words.txt /home/kaldi/Experiments/Librespeech/exp/chain_cleaned/tdnn_1d_sp/final.mdl /home/kaldi/Experiments/Librespeech/exp/chain_cleaned/tdnn_1d_sp/graph_tg_small/HCLG.fst 'ark,s,cs:apply-cmvn --norm-means=false --norm-vars=false --utt2spk=ark:$wav_dir/utt2spk scp:$wav_dir/cmvn.scp scp:$wav_dir/feats.scp ark:- |' 'ark:|lattice-scale --acoustic-scale=10.0 ark:- ark:- | gzip -c >$model_path/chain_cleaned/tdnn_1d_sp/decode_test_hires_tgsmall/lat.1.gz'
LOG (nnet3-latgen-faster[5.5.11652-701f13]:RemoveOrphanNodes():nnet-nnet.cc:948) Removed 1 orphan nodes.
LOG (nnet3-latgen-faster[5.5.11652-701f13]:RemoveOrphanComponents():nnet-nnet.cc:847) Removing 2 orphan components.
LOG (nnet3-latgen-faster[5.5.11652-701f13]:Collapse():nnet-utils.cc:1488) Added 1 components, removed 2
sh: 1: cannot create /chain_cleaned/tdnn_1d_sp/decode_test_hires_tgsmall/lat.1.gz: Directory nonexistent
lattice-scale --acoustic-scale=10.0 ark:- ark:-
apply-cmvn --norm-means=false --norm-vars=false --utt2spk=ark:/utt2spk scp:/cmvn.scp scp:/feats.scp ark:-
WARNING (apply-cmvn[5.5.11652-701f13]:EnsureObjectLoaded():util/kaldi-table-inl.h:310) Failed to open file /audio.wav
ERROR (apply-cmvn[5.5.1165~2-701f13]:Value():util/kaldi-table-inl.h:164) Failed to load object from /audio.wav (to suppress this error, add the permissive (p, ) option to the rspecifier.

[ Stack-Trace: ]
/home/kaldi/src/lib/libkaldi-base.so(kaldi::MessageLogger::LogMessage() const+0x7a8) [0x7f7cb30a953a]
apply-cmvn(kaldi::MessageLogger::LogAndThrow::operator=(kaldi::MessageLogger const&)+0x25) [0x55947f81b071]
apply-cmvn(kaldi::SequentialTableReaderScriptImpl<kaldi::KaldiObjectHolderkaldi::GeneralMatrix >::Value()+0x10d) [0x55947f82f42b]
apply-cmvn(main+0x3e9) [0x55947f8193b2]
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x7f7cb2c031ca]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x7f7cb2c0328b]
apply-cmvn(_start+0x25) [0x55947f818f05]

kaldi::KaldiFatalErrorWARNING (nnet3-latgen-faster[5.5.11652-701f13]:Close():kaldi-io.cc:515) Pipe apply-cmvn --norm-means=false --norm-vars=false --utt2spk=ark:$wav_dir/utt2spk scp:$wav_dir/cmvn.scp scp:$wav_dir/feats.scp ark:- | had nonzero return status 65280
ERROR (nnet3-latgen-faster[5.5.11652-701f13]:~SequentialTableReaderArchiveImpl():util/kaldi-table-inl.h:678) TableReader: error detected closing archive 'apply-cmvn --norm-means=false --norm-vars=false --utt2spk=ark:$wav_dir/utt2spk scp:$wav_dir/cmvn.scp scp:$wav_dir/feats.scp ark:- |'

[ Stack-Trace: ]
/home/kaldi/src/lib/libkaldi-base.so(kaldi::MessageLogger::LogMessage() const+0x7a8) [0x7fec5eeea53a]
nnet3-latgen-faster(kaldi::MessageLogger::LogAndThrow::operator=(kaldi::MessageLogger const&)+0x25) [0x565213a03069]
nnet3-latgen-faster(kaldi::SequentialTableReaderArchiveImpl<kaldi::KaldiObjectHolder<kaldi::Matrix > >::~SequentialTableReaderArchiveImpl()+0x1d1) [0x565213a0c5ff]
nnet3-latgen-faster(kaldi::SequentialTableReaderArchiveImpl<kaldi::KaldiObjectHolder<kaldi::Matrix > >::~SequentialTableReaderArchiveImpl()+0xd) [0x565213a0c617]
nnet3-latgen-faster(kaldi::SequentialTableReader<kaldi::KaldiObjectHolder<kaldi::Matrix > >::~SequentialTableReader()+0x16) [0x565213a0eb94]
nnet3-latgen-faster(main+0xfde) [0x565213a004a7]
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x7fec5e89d1ca]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x7fec5e89d28b]
nnet3-latgen-faster(_start+0x25) [0x5652139ff405]

terminate called after throwing an instance of 'kaldi::KaldiFatalError'
what(): kaldi::KaldiFatalError
LOG (lattice-scale[5.5.1165~2-701f13]:main():lattice-scale.cc:107) Done 0 lattices.
librespeech_decode.sh: line 60: 51531 Aborted (core dumped) nnet3-latgen-faster --online-ivectors=scp:/home/kaldi/Experiments/Librespeech/exp/nnet3_cleaned/ivectors_test_hires/ivector_online.scp --online-ivector-period=10 --frame-subsampling-factor=3 --frames-per-chunk=50 --extra-left-context=0 --extra-right-context=0 --extra-left-context-initial=-1 --extra-right-context-final=-1 --minimize=false --max-active=7000 --min-active=200 --beam=15.0 --lattice-beam=8.0 --acoustic-scale=1.0 --allow-partial=true --word-symbol-table=/home/kaldi/Experiments/Librespeech/exp/chain_cleaned/tdnn_1d_sp/graph_tg_small/words.txt /home/kaldi/Experiments/Librespeech/exp/chain_cleaned/tdnn_1d_sp/final.mdl /home/kaldi/Experiments/Librespeech/exp/chain_cleaned/tdnn_1d_sp/graph_tg_small/HCLG.fst 'ark,s,cs:apply-cmvn --norm-means=false --norm-vars=false --utt2spk=ark:$wav_dir/utt2spk scp:$wav_dir/cmvn.scp scp:$wav_dir/feats.scp ark:- |' 'ark:|lattice-scale --acoustic-scale=10.0 ark:- ark:- | gzip -c >$model_path/chain_cleaned/tdnn_1d_sp/decode_test_hires_tgsmall/lat.1.gz'

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