icefall/egs/gigaspeech2/SSL/prepare.sh
2024-04-01 11:09:25 +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
nj=16
# run step 1 to step 5 by default
stage=1
stop_stage=5
# We assume dl_dir (download dir) contains the following directories and files.
#
# - $dl_dir/GigaSpeech2
dl_dir=$PWD/download
lang=Thai
. shared/parse_options.sh || exit 1
# 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 "Running prepare.sh"
log "dl_dir: $dl_dir"
if [ $stage -le 1 ] && [ $stop_stage -ge 1 ]; then
log "Stage 1: Prepare GigaSpeech2 manifest, language: $lang"
# We assume that you have downloaded the GigaSpeech2 corpus
# to $dl_dir/GigaSpeech2
mkdir -p data/manifests
if [ ! -e data/manifests/.gigaspeech2.done ]; then
lhotse prepare gigaspeech2 --lang $lang -j $nj $dl_dir/GigaSpeech2 data/manifests
touch data/manifests/.gigaspeech2.done
fi
fi
if [ $stage -le 2 ] && [ $stop_stage -ge 2 ]; then
log "Stage 2: Compute fbank for gigaspeech2"
mkdir -p data/fbank
if [ ! -e data/fbank/.gigaspeech2.done ]; then
./local/compute_fbank_gigaspeech2.py
touch data/fbank/.gigaspeech2.done
fi
fi