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egs/aishell/s5/local/aishell_data_prep.sh
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#!/bin/bash
# Copyright 2017 Xingyu Na
# Apache 2.0
. ./path.sh || exit 1;
if [ $# != 2 ]; then
echo "Usage: $0 <audio-path> <text-path>"
echo " $0 /export/a05/xna/data/data_aishell/wav /export/a05/xna/data/data_aishell/transcript"
exit 1;
fi
aishell_audio_dir=$1
aishell_text=$2/aishell_transcript_v0.8.txt
train_dir=data/local/train
dev_dir=data/local/dev
test_dir=data/local/test
tmp_dir=data/local/tmp
mkdir -p $train_dir
mkdir -p $dev_dir
mkdir -p $test_dir
mkdir -p $tmp_dir
# data directory check
if [ ! -d $aishell_audio_dir ] || [ ! -f $aishell_text ]; then
echo "Error: $0 requires two directory arguments"
exit 1;
fi
# find wav audio file for train, dev and test resp.
find $aishell_audio_dir -iname "*.wav" > $tmp_dir/wav.flist
n=`cat $tmp_dir/wav.flist | wc -l`
[ $n -ne 141925 ] && \
echo Warning: expected 141925 data data files, found $n
grep -i "wav/train" $tmp_dir/wav.flist > $train_dir/wav.flist || exit 1;
grep -i "wav/dev" $tmp_dir/wav.flist > $dev_dir/wav.flist || exit 1;
grep -i "wav/test" $tmp_dir/wav.flist > $test_dir/wav.flist || exit 1;
rm -r $tmp_dir
# Transcriptions preparation
for dir in $train_dir $dev_dir $test_dir; do
echo Preparing $dir transcriptions
sed -e 's/\.wav//' $dir/wav.flist | awk -F '/' '{print $NF}' > $dir/utt.list
sed -e 's/\.wav//' $dir/wav.flist | awk -F '/' '{i=NF-1;printf("%s %s
",$NF,$i)}' > $dir/utt2spk_all
paste -d' ' $dir/utt.list $dir/wav.flist > $dir/wav.scp_all
utils/filter_scp.pl -f 1 $dir/utt.list $aishell_text > $dir/transcripts.txt
awk '{print $1}' $dir/transcripts.txt > $dir/utt.list
utils/filter_scp.pl -f 1 $dir/utt.list $dir/utt2spk_all | sort -u > $dir/utt2spk
utils/filter_scp.pl -f 1 $dir/utt.list $dir/wav.scp_all | sort -u > $dir/wav.scp
sort -u $dir/transcripts.txt > $dir/text
utils/utt2spk_to_spk2utt.pl $dir/utt2spk > $dir/spk2utt
done
mkdir -p data/train data/dev data/test
for f in spk2utt utt2spk wav.scp text; do
cp $train_dir/$f data/train/$f || exit 1;
cp $dev_dir/$f data/dev/$f || exit 1;
cp $test_dir/$f data/test/$f || exit 1;
done
echo "$0: AISHELL data preparation succeeded"
exit 0;
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