nnet2 versoin of steps/cleanup/find_bad_utts.sh

egs/wsj/s5/steps/cleanup/find_bad_utts_nnet.sh

@@ -0,0 +1,162 @@
+#!/bin/bash
+# Copyright 2012-2014  Johns Hopkins University (Author: Daniel Povey)
+#           2016       Ilya Platonov      
+# Apache 2.0
+#
+# Tweaked version of find_bad_utts.sh to work with nnet2 baseline models. 
+#
+# Begin configuration section.  
+nj=32
+cmd=run.pl
+use_graphs=false
+# Begin configuration.
+scale_opts="--transition-scale=1.0 --self-loop-scale=0.1"
+acoustic_scale=0.1
+beam=15.0
+lattice_beam=8.0
+max_active=750
+transform_dir=  # directory to find fMLLR transforms in.
+top_n_words=100 # Number of common words that we compile into each graph (most frequent
+                # in $lang/text.
+stage=-1
+cleanup=true
+# End configuration options.
+
+echo "$0 $@"  # Print the command line for logging
+
+[ -f path.sh ] && . ./path.sh # source the path.
+. parse_options.sh || exit 1;
+
+if [ $# != 4 ]; then
+   echo "usage: $0 <data-dir> <lang-dir> <src-dir> <dir>"
+   echo "e.g.:  $0 data/train data/lang exp/tri1 exp/tri1_debug"
+   echo "main options (for others, see top of script file)"
+   echo "  --config <config-file>                           # config containing options"
+   echo "  --nj <nj>                                        # number of parallel jobs"
+   echo "  --use-graphs true                                # use graphs in src-dir"
+   echo "  --cmd (utils/run.pl|utils/queue.pl <queue opts>) # how to run jobs."
+   exit 1;
+fi
+
+data=$1
+lang=$2
+srcdir=$3
+dir=$4
+
+for f in $data/text $lang/oov.int $srcdir/tree $srcdir/final.mdl \
+    $lang/L_disambig.fst $lang/phones/disambig.int; do
+  [ ! -f $f ] && echo "$0: expected file $f to exist" && exit 1;
+done
+
+oov=`cat $lang/oov.int` || exit 1;
+mkdir -p $dir/log
+echo $nj > $dir/num_jobs
+sdata=$data/split$nj
+splice_opts=`cat $srcdir/splice_opts 2>/dev/null` # frame-splicing options.
+cp $srcdir/splice_opts $dir 2>/dev/null # frame-splicing options.
+cmvn_opts=`cat $srcdir/cmvn_opts 2>/dev/null`
+cp $srcdir/cmvn_opts $dir 2>/dev/null # cmn/cmvn option.
+
+[[ -d $sdata && $data/feats.scp -ot $sdata ]] || split_data.sh $data $nj || exit 1;
+
+cp $srcdir/{tree,final.mdl} $dir || exit 1;
+
+
+if [ $stage -le 0 ]; then
+  utils/sym2int.pl --map-oov $oov -f 2- $lang/words.txt <$data/text | \
+    awk '{for(x=2;x<=NF;x++) print $x;}' | sort | uniq -c | \
+    sort -rn > $dir/word_counts.int || exit 1;
+  num_words=$(awk '{x+=$1} END{print x}' < $dir/word_counts.int) || exit 1;
+  # print top-n words with their unigram probabilities.
+
+  head -n $top_n_words $dir/word_counts.int | awk -v tot=$num_words '{print $1/tot, $2;}' >$dir/top_words.int
+  utils/int2sym.pl -f 2 $lang/words.txt <$dir/top_words.int >$dir/top_words.txt
+fi
+
+echo "$0: feature type is raw"
+
+feats="ark,s,cs:apply-cmvn $cmvn_opts --utt2spk=ark:$sdata/JOB/utt2spk scp:$sdata/JOB/cmvn.scp scp:$sdata/JOB/feats.scp ark:- |";
+
+if [ $stage -le 1 ]; then
+  echo "$0: decoding $data using utterance-specific decoding graphs using model from $srcdir, output in $dir"
+
+  rm $dir/edits.*.txt $dir/aligned_ref.*.txt 2>/dev/null
+
+  $cmd JOB=1:$nj $dir/log/decode.JOB.log \
+    utils/sym2int.pl --map-oov $oov -f 2- $lang/words.txt $sdata/JOB/text \| \
+    steps/cleanup/make_utterance_fsts.pl $dir/top_words.int \| \
+    compile-train-graphs-fsts $scale_opts --read-disambig-syms=$lang/phones/disambig.int \
+     $dir/tree $dir/final.mdl $lang/L_disambig.fst ark:- ark:- \| \
+    nnet-latgen-faster --acoustic-scale=$acoustic_scale --beam=$beam \
+      --max-active=$max_active --lattice-beam=$lattice_beam \
+      --word-symbol-table=$lang/words.txt \
+     $dir/final.mdl ark:- "$feats" ark:- \| \
+    lattice-oracle ark:- "ark:utils/sym2int.pl --map-oov $oov -f 2- $lang/words.txt $sdata/JOB/text|" \
+      ark,t:- ark,t:$dir/edits.JOB.txt \| \
+    utils/int2sym.pl -f 2- $lang/words.txt '>' $dir/aligned_ref.JOB.txt || exit 1;
+fi
+
+
+if [ $stage -le 2 ]; then
+  if [ -f $dir/edits.1.txt ]; then
+    # the awk commands below are to ensure that partially-written files don't confuse us.
+    for x in $(seq $nj); do cat $dir/edits.$x.txt; done | awk '{if(NF==2){print;}}' > $dir/edits.txt
+    for x in $(seq $nj); do cat $dir/aligned_ref.$x.txt; done | awk '{if(NF>=1){print;}}' > $dir/aligned_ref.txt
+  else
+    echo "$0: warning: no file $dir/edits.1.txt, using previously concatenated file if present."
+  fi
+
+  # in case any utterances failed to align, get filtered copy of $data/text
+  utils/filter_scp.pl $dir/edits.txt < $data/text  > $dir/text
+  cat $dir/text | awk '{print $1, (NF-1);}' > $dir/length.txt
+
+  n1=$(wc -l < $dir/edits.txt)
+  n2=$(wc -l < $dir/aligned_ref.txt)
+  n3=$(wc -l < $dir/text)
+  n4=$(wc -l < $dir/length.txt)
+  if [ $n1 -ne $n2 ] || [ $n2 -ne $n3 ] || [ $n3 -ne $n4 ]; then
+    echo "$0: mismatch in lengths of files:"
+    wc $dir/edits.txt $dir/aligned_ref.txt $dir/text $dir/length.txt
+    exit 1;
+  fi
+
+  # note: the format of all_info.txt is:
+  # <utterance-id>   <number of errors>  <reference-length>  <decoded-output>   <reference>
+  # with the fields separated by tabs, e.g.
+  # adg04_sr009_trn 1 	12	 SHOW THE GRIDLEY+S TRACK IN BRIGHT ORANGE WITH HORNE+S IN DIM RED AT	 SHOW THE GRIDLEY+S TRACK IN BRIGHT ORANGE WITH HORNE+S IN DIM RED
+
+  paste $dir/edits.txt \
+      <(awk '{print $2}' $dir/length.txt) \
+      <(awk '{$1="";print;}' <$dir/aligned_ref.txt) \
+      <(awk '{$1="";print;}' <$dir/text) > $dir/all_info.txt
+
+  sort -nr -k2 $dir/all_info.txt > $dir/all_info.sorted.txt
+
+  if $cleanup; then
+    rm $dir/edits.*.txt $dir/aligned_ref.*.txt
+  fi
+
+fi
+
+if [ $stage -le 3 ]; then
+  ###
+  # These stats migh help people figure out what is wrong with the data
+  # a)human-friendly and machine-parsable alignment in the file per_utt_details.txt
+  # b)evaluation of per-speaker performance to possibly find speakers with 
+  #   distinctive accents/speech disorders and similar
+  # c)Global analysis on (Ins/Del/Sub) operation, which might be used to figure
+  #   out if there is systematic issue with lexicon, pronunciation or phonetic confusability
+
+  mkdir -p $dir/analysis
+  align-text --special-symbol="***"  ark:$dir/text ark:$dir/aligned_ref.txt  ark,t:- | \
+    utils/scoring/wer_per_utt_details.pl --special-symbol "***" > $dir/analysis/per_utt_details.txt
+
+  cat $dir/analysis/per_utt_details.txt | \
+    utils/scoring/wer_per_spk_details.pl $data/utt2spk > $dir/analysis/per_spk_details.txt
+
+  cat $dir/analysis/per_utt_details.txt | \
+    utils/scoring/wer_ops_details.pl --special-symbol "***" | \
+    sort -i -b -k1,1 -k4,4nr -k2,2 -k3,3 > $dir/analysis/ops_details.txt
+
+fi
+