icefall/egs/multi_zh_en/ASR/prepare.sh
2023-09-21 12:19:45 +08:00

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#!/usr/bin/env bash
# fix segmentation fault reported in https://github.com/k2-fsa/icefall/issues/674
export PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION=python
set -eou pipefail
stage=-1
stop_stage=100
dl_dir=$PWD/download
. shared/parse_options.sh || exit 1
vocab_sizes=(
2000
)
# All files generated by this script are saved in "data".
# You can safely remove "data" and rerun this script to regenerate it.
mkdir -p data
log() {
# This function is from espnet
local fname=${BASH_SOURCE[1]##*/}
echo -e "$(date '+%Y-%m-%d %H:%M:%S') (${fname}:${BASH_LINENO[0]}:${FUNCNAME[1]}) $*"
}
log "dl_dir: $dl_dir"
log "Dataset: musan"
if [ $stage -le 1 ] && [ $stop_stage -ge 1 ]; then
log "Stage 1: Soft link fbank of musan"
mkdir -p data/fbank
if [ -e ../../librispeech/ASR/data/fbank/.musan.done ]; then
cd data/fbank
ln -svf $(realpath ../../../../librispeech/ASR/data/fbank/musan_feats) .
ln -svf $(realpath ../../../../librispeech/ASR/data/fbank/musan_cuts.jsonl.gz) .
cd ../..
else
log "Abort! Please run ../../librispeech/ASR/prepare.sh --stage 4 --stop-stage 4"
exit 1
fi
fi
log "Dataset: LibriSpeech"
if [ $stage -le 2 ] && [ $stop_stage -ge 2 ]; then
log "Stage 2: Soft link fbank of LibriSpeech"
mkdir -p data/fbank
if [ -e ../../librispeech/ASR/data/fbank/.librispeech.done ]; then
cd data/fbank
ln -svf $(realpath ../../../../librispeech/ASR/data/fbank/librispeech_cuts*) .
ln -svf $(realpath ../../../../librispeech/ASR/data/fbank/librispeech_feats*) .
cd ../..
else
log "Abort! Please run ../../librispeech/ASR/prepare.sh --stage 3 --stop-stage 3"
exit 1
fi
fi
log "Dataset: AiShell-2"
if [ $stage -le 3 ] && [ $stop_stage -ge 3 ]; then
log "Stage 3: Soft link fbank of AiShell-2"
mkdir -p data/fbank
if [ -e ../../aishell2/ASR/data/fbank/.aishell2.done ]; then
cd data/fbank
ln -svf $(realpath ../../../../aishell2/ASR/data/fbank/aishell2_cuts*) .
ln -svf $(realpath ../../../../aishell2/ASR/data/fbank/aishell2_feats*) .
cd ../..
else
log "Abort! Please run ../../aishell2/ASR/prepare.sh --stage 3 --stop-stage 3"
exit 1
fi
fi
if [ $stage -le 4 ] && [ $stop_stage -ge 4 ]; then
log "Stage 4: preparation for training BPE model"
mkdir -p data/fbank
if [ ! -d ../../aishell2/ASR/data/lang_char ]; then
log "Abort! Please run ../../aishell2/ASR/prepare.sh --stage 3 --stop-stage 3"
exit 1
fi
if [ ! -d ../../librispeech/ASR/data/lang_phone ]; then
log "Abort! Please run ../../librispeech/ASR/prepare.sh --stage 5 --stop-stage 5"
exit 1
fi
if [ ! -d ../../librispeech/ASR/data/lang_bpe_500 ]; then
log "Abort! Please run ../../librispeech/ASR/prepare.sh --stage 6 --stop-stage 6"
exit 1
fi
cd data/
ln -svf $(realpath ../../../aishell2/ASR/data/lang_char) .
ln -svf $(realpath ../../../librispeech/ASR/data/lang_phone) .
ln -svf $(realpath ../../../librispeech/ASR/data/lang_bpe_500) .
cd ../
for vocab_size in ${vocab_sizes[@]}; do
lang_dir=data/lang_bbpe_${vocab_size}
mkdir -p $lang_dir
cat data/lang_char/text data/lang_bpe_500/transcript_words.txt \
> $lang_dir/text
./local/prepare_for_bpe_model.py \
--lang_dir ./$lang_dir \
--text $lang_dir/text
done
fi
if [ $stage -le 5 ] && [ $stop_stage -ge 5 ]; then
log "Stage 5: training BPE model"
if [ ! -d data/lang_char ]; then
log "Abort! Please run stage 4 first"
exit 1
fi
if [ ! -d data/lang_phone ]; then
log "Abort! Please run stage 4 first"
exit 1
fi
for vocab_size in ${vocab_sizes[@]}; do
lang_dir=data/lang_bbpe_${vocab_size}
mkdir -p $lang_dir
if [ ! -f $lang_dir/bpe.model ]; then
log "Training BPE model with vocab size ${vocab_size}"
python3 -m k2_cli.prepares.prep_bpe \
--input-dir data/lang_char \
--output-dir data/lang_char \
--vocab-size ${vocab_size}
fi
if [ ! -f data/lang_phone/bpe${vocab_size}.model ]; then
log "Training BPE model with vocab size ${vocab_size}"
python3 -m k2_cli.prepares.prep_bpe \
--input-dir data/lang_phone \
--output-dir data/lang_phone \
--vocab-size ${vocab_size}
fi
done
fi