data_prep.sh
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#!/bin/bash
# Copyright 2018 Atlas Guide (Author : Lucas Jo)
# 2018 Gridspace Inc. (Author: Wonkyum Lee)
# Apache 2.0
# Modified by Lucas Jo 2017 (Altas Guide)
if [ "$#" -ne 2 ]; then
echo "Usage: $0 <db-dir> <part>"
echo "e.g.: $0 ./db/train_data_01 data/train_data_01"
exit 1
fi
db_dir=$1
data_part=$2
src=${db_dir}/${data_part}
dst=data/${data_part}
# all utterances are FLAC compressed
if ! which flac >&/dev/null; then
echo "Please install 'flac' on ALL worker nodes!"
exit 1
fi
spk_file=${db_dir}/AUDIO_INFO
mkdir -p $dst || exit 1;
[ ! -d $src ] && echo "$0: no such directory $src" && exit 1;
[ ! -f $spk_file ] && echo "$0: expected file $spk_file to exist" && exit 1;
wav_scp=$dst/wav.scp; [[ -f "$wav_scp" ]] && rm $wav_scp
trans=$dst/text; [[ -f "$trans" ]] && rm $trans
utt2spk=$dst/utt2spk; [[ -f "$utt2spk" ]] && rm $utt2spk
spk2gender=$dst/spk2gender; [[ -f $spk2gender ]] && rm $spk2gender
utt2dur=$dst/utt2dur; [[ -f "$utt2dur" ]] && rm $utt2dur
for scriptid_dir in $(find -L $src -mindepth 1 -maxdepth 1 -type d | sort); do
scriptid=$(basename $scriptid_dir)
if ! [ $scriptid -eq $scriptid ]; then # not integer.
echo "$0: unexpected subdirectory name $scriptid"
exit 1;
fi
for reader_dir in $(find -L $scriptid_dir/ -mindepth 1 -maxdepth 1 -type d | sort); do
reader=$(basename $reader_dir)
if ! [ "$reader" -eq "$reader" ]; then
echo "$0: unexpected reader-subdirectory name $reader"
exit 1;
fi
reader_gender=$(egrep "^$reader\|" $spk_file | awk -F'|' '{gsub(/[ ]+/, ""); print tolower($3)}')
if [ "$reader_gender" != 'm' ] && [ "$reader_gender" != 'f' ]; then
echo "Unexpected gender: '$reader_gender'"
exit 1;
fi
echo " "$scriptid $reader $reader_gender
find -L $reader_dir/ -iname "*.flac" | sort | xargs -I% basename % .flac | \
awk -v "dir=$reader_dir" '{printf "%s flac -c -d -s %s/%s.flac |\n", $0, dir, $0}' >>$wav_scp|| exit 1
reader_trans=$reader_dir/${reader}_${scriptid}.trans.txt
[ ! -f $reader_trans ] && echo "$0: expected file $reader_trans to exist" && exit 1
cat $reader_trans >>$trans
# NOTE: Each chapter is dedicated to each speaker.
awk -v "reader=$reader" -v "scriptid=$scriptid" '{printf "%s %s_%s\n", $1, reader, scriptid}' \
<$reader_trans >>$utt2spk || exit 1
# reader -> gender map (again using per-chapter granularity)
echo "${reader}_${scriptid} $reader_gender" >>$spk2gender
done
done
# sort
cat $wav_scp | sort > tmp
cp tmp $wav_scp
cat $trans | sort > tmp
cp tmp $trans
cat $utt2spk | sort > tmp
cp tmp $utt2spk
cat $spk2gender | sort > tmp
cp tmp $spk2gender
rm tmp
spk2utt=$dst/spk2utt
utils/utt2spk_to_spk2utt.pl <$utt2spk >$spk2utt || exit 1
ntrans=$(wc -l <$trans)
nutt2spk=$(wc -l <$utt2spk)
! [ "$ntrans" -eq "$nutt2spk" ] && \
echo "Inconsistent #transcripts($ntrans) and #utt2spk($nutt2spk)" && exit 1;
utils/data/get_utt2dur.sh $dst 1>&2 || exit 1
utils/validate_data_dir.sh --no-feats $dst || exit 1;
echo "$0: successfully prepared data in $dst"
exit 0