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egs/wsj/s5/steps/get_train_ctm.sh
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#!/bin/bash
# Copyright Johns Hopkins University (Author: Daniel Povey) 2012. Apache 2.0.
# This script produces CTM files from a training directory that has alignments
# present.
# begin configuration section.
cmd=run.pl
frame_shift=0.01
stage=0
use_segments=true # if we have a segments file, use it to convert
# the segments to be relative to the original files.
print_silence=false # if true, will print <eps> (optional-silence) arcs.
#end configuration section.
echo "$0 $@" # Print the command line for logging
[ -f ./path.sh ] && . ./path.sh
. parse_options.sh || exit 1;
if [ $# -ne 3 ] && [ $# -ne 4 ]; then
echo "Usage: $0 [options] <data-dir> <lang-dir> <ali-dir|model-dir> [<output-dir>]"
echo "(<output-dir> defaults to <ali-dir|model-dir>.)"
echo " Options:"
echo " --cmd (run.pl|queue.pl...) # specify how to run the sub-processes."
echo " --stage (0|1|2) # start scoring script from part-way through."
echo " --use-segments (true|false) # use segments and reco2file_and_channel files "
echo " # to produce a ctm relative to the original audio"
echo " # files, with channel information (typically needed"
echo " # for NIST scoring)."
echo " --frame-shift (default=0.01) # specify this if your alignments have a frame-shift"
echo " # not equal to 0.01 seconds"
echo "e.g.:"
echo "$0 data/train data/lang exp/tri3a_ali"
echo "Produces ctm in: exp/tri3a_ali/ctm"
exit 1;
fi
data=$1
lang=$2 # Note: may be graph directory not lang directory, but has the necessary stuff copied.
ali_dir=$3
dir=$4
if [ -z $dir ]; then
dir=$ali_dir
fi
model=$ali_dir/final.mdl # assume model one level up from decoding dir.
for f in $lang/words.txt $model $ali_dir/ali.1.gz $lang/oov.int; do
[ ! -f $f ] && echo "$0: expecting file $f to exist" && exit 1;
done
oov=`cat $lang/oov.int` || exit 1;
nj=`cat $ali_dir/num_jobs` || exit 1;
split_data.sh $data $nj || exit 1;
sdata=$data/split$nj
mkdir -p $dir/log || exit 1;
if [ $stage -le 0 ]; then
if [ -f $lang/phones/word_boundary.int ]; then
$cmd JOB=1:$nj $dir/log/get_ctm.JOB.log \
set -o pipefail '&&' linear-to-nbest "ark:gunzip -c $ali_dir/ali.JOB.gz|" \
"ark:utils/sym2int.pl --map-oov $oov -f 2- $lang/words.txt < $sdata/JOB/text |" \
'' '' ark:- \| \
lattice-align-words $lang/phones/word_boundary.int $model ark:- ark:- \| \
nbest-to-ctm --frame-shift=$frame_shift --print-silence=$print_silence ark:- - \| \
utils/int2sym.pl -f 5 $lang/words.txt \| \
gzip -c '>' $dir/ctm.JOB.gz || exit 1
else
if [ ! -f $lang/phones/align_lexicon.int ]; then
echo "$0: neither $lang/phones/word_boundary.int nor $lang/phones/align_lexicon.int exists: cannot align."
exit 1;
fi
$cmd JOB=1:$nj $dir/log/get_ctm.JOB.log \
set -o pipefail '&&' linear-to-nbest "ark:gunzip -c $ali_dir/ali.JOB.gz|" \
"ark:utils/sym2int.pl --map-oov $oov -f 2- $lang/words.txt < $sdata/JOB/text |" \
'' '' ark:- \| \
lattice-align-words-lexicon $lang/phones/align_lexicon.int $model ark:- ark:- \| \
lattice-1best ark:- ark:- \| \
nbest-to-ctm --frame-shift=$frame_shift --print-silence=$print_silence ark:- - \| \
utils/int2sym.pl -f 5 $lang/words.txt \| \
gzip -c '>' $dir/ctm.JOB.gz || exit 1
fi
fi
if [ $stage -le 1 ]; then
if [ -f $data/segments ] && $use_segments; then
f=$data/reco2file_and_channel
[ ! -f $f ] && echo "$0: expecting file $f to exist" && exit 1;
for n in `seq $nj`; do gunzip -c $dir/ctm.$n.gz; done | \
utils/convert_ctm.pl $data/segments $data/reco2file_and_channel > $dir/ctm || exit 1;
else
for n in `seq $nj`; do gunzip -c $dir/ctm.$n.gz; done > $dir/ctm || exit 1;
fi
rm $dir/ctm.*.gz
fi
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