You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
PaddleSpeech/examples/wenetspeech/asr1/local/wenetspeech_data_prep.sh

135 lines
4.3 KiB

#!/usr/bin/env bash
# Copyright 2021 Xiaomi Corporation (Author: Yongqing Wang)
# Seasalt AI, Inc (Author: Guoguo Chen)
# Mobvoi Inc(Author: Di Wu, Binbin Zhang)
# NPU, ASLP Group (Author: Qijie Shao)
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
set -e
set -o pipefail
stage=1
prefix=
train_subset=L
. ./tools/parse_options.sh || exit 1;
filter_by_id () {
idlist=$1
input=$2
output=$3
field=1
if [ $# -eq 4 ]; then
field=$4
fi
cat $input | perl -se '
open(F, "<$idlist") || die "Could not open id-list file $idlist";
while(<F>) {
@A = split;
@A>=1 || die "Invalid id-list file line $_";
$seen{$A[0]} = 1;
}
while(<>) {
@A = split;
@A > 0 || die "Invalid file line $_";
@A >= $field || die "Invalid file line $_";
if ($seen{$A[$field-1]}) {
print $_;
}
}' -- -idlist="$idlist" -field="$field" > $output ||\
(echo "$0: filter_by_id() error: $input" && exit 1) || exit 1;
}
subset_data_dir () {
utt_list=$1
src_dir=$2
dest_dir=$3
mkdir -p $dest_dir || exit 1;
# wav.scp text segments utt2dur
filter_by_id $utt_list $src_dir/utt2dur $dest_dir/utt2dur ||\
(echo "$0: subset_data_dir() error: $src_dir/utt2dur" && exit 1) || exit 1;
filter_by_id $utt_list $src_dir/text $dest_dir/text ||\
(echo "$0: subset_data_dir() error: $src_dir/text" && exit 1) || exit 1;
filter_by_id $utt_list $src_dir/segments $dest_dir/segments ||\
(echo "$0: subset_data_dir() error: $src_dir/segments" && exit 1) || exit 1;
awk '{print $2}' $dest_dir/segments | sort | uniq > $dest_dir/reco
filter_by_id $dest_dir/reco $src_dir/wav.scp $dest_dir/wav.scp ||\
(echo "$0: subset_data_dir() error: $src_dir/wav.scp" && exit 1) || exit 1;
rm -f $dest_dir/reco
}
if [ $# -ne 2 ]; then
echo "Usage: $0 [options] <wenetspeech-dataset-dir> <data-dir>"
echo " e.g.: $0 --train-subset L /disk1/audio_data/wenetspeech/ data/"
echo ""
echo "This script takes the WenetSpeech source directory, and prepares the"
echo "WeNet format data directory."
echo " --prefix <prefix> # Prefix for output data directory."
echo " --stage <stage> # Processing stage."
echo " --train-subset <L|M|S|W> # Train subset to be created."
exit 1
fi
wenetspeech_dir=$1
data_dir=$2
declare -A subsets
subsets=(
[L]="train_l"
[M]="train_m"
[S]="train_s"
[W]="train_w"
[DEV]="dev"
[TEST_NET]="test_net"
[TEST_MEETING]="test_meeting")
prefix=${prefix:+${prefix}_}
corpus_dir=$data_dir/${prefix}corpus/
if [ $stage -le 1 ]; then
echo "$0: Extract meta into $corpus_dir"
# Sanity check.
[ ! -f $wenetspeech_dir/WenetSpeech.json ] &&\
echo "$0: Please download $wenetspeech_dir/WenetSpeech.json!" && exit 1;
[ ! -d $wenetspeech_dir/audio ] &&\
echo "$0: Please download $wenetspeech_dir/audio!" && exit 1;
[ ! -d $corpus_dir ] && mkdir -p $corpus_dir
# Files to be created:
# wav.scp text segments utt2dur
python3 local/extract_meta.py \
$wenetspeech_dir/WenetSpeech.json $corpus_dir || exit 1;
fi
if [ $stage -le 2 ]; then
echo "$0: Split data to train, dev, test_net, and test_meeting"
[ ! -f $corpus_dir/utt2subsets ] &&\
echo "$0: No such file $corpus_dir/utt2subsets!" && exit 1;
for label in $train_subset DEV TEST_NET TEST_MEETING; do
if [ ! ${subsets[$label]+set} ]; then
echo "$0: Subset $label is not defined in WenetSpeech.json." && exit 1;
fi
subset=${subsets[$label]}
[ ! -d $data_dir/${prefix}$subset ] && mkdir -p $data_dir/${prefix}$subset
cat $corpus_dir/utt2subsets | \
awk -v s=$label '{for (i=2;i<=NF;i++) if($i==s) print $0;}' \
> $corpus_dir/${prefix}${subset}_utt_list|| exit 1;
subset_data_dir $corpus_dir/${prefix}${subset}_utt_list \
$corpus_dir $data_dir/${prefix}$subset || exit 1;
done
fi
echo "$0: Done"