mirror of
https://github.com/k2-fsa/icefall.git
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217 lines
7.4 KiB
Bash
Executable File
217 lines
7.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -eou pipefail
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stage=-1
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stop_stage=100
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# We assume dl_dir (download dir) contains the following
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# directories and files. If not, they will be downloaded
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# by this script automatically.
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#
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# - $dl_dir/librispeech
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# You can find audio and transcripts for LibriSpeech in this path.
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#
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# - $dl_dir/libricss
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# You can find audio and transcripts for LibriCSS in this path.
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#
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# - $dl_dir/musan
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# This directory contains the following directories downloaded from
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# http://www.openslr.org/17/
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#
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# - music
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# - noise
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# - speech
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#
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# - $dl_dir/rirs_noises
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# This directory contains the RIRS_NOISES corpus downloaded from https://openslr.org/28/.
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#
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dl_dir=$PWD/download
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. shared/parse_options.sh || exit 1
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# All files generated by this script are saved in "data".
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# You can safely remove "data" and rerun this script to regenerate it.
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mkdir -p data
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vocab_size=500
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log() {
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# This function is from espnet
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local fname=${BASH_SOURCE[1]##*/}
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echo -e "$(date '+%Y-%m-%d %H:%M:%S') (${fname}:${BASH_LINENO[0]}:${FUNCNAME[1]}) $*"
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}
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log "dl_dir: $dl_dir"
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if [ $stage -le 0 ] && [ $stop_stage -ge 0 ]; then
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log "Stage 0: Download data"
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# If you have pre-downloaded it to /path/to/librispeech,
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# you can create a symlink
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#
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# ln -sfv /path/to/librispeech $dl_dir/librispeech
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#
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if [ ! -d $dl_dir/librispeech ]; then
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lhotse download librispeech $dl_dir/librispeech
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fi
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# If you have pre-downloaded it to /path/to/libricss,
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# you can create a symlink
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#
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# ln -sfv /path/to/libricss $dl_dir/libricss
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#
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if [ ! -d $dl_dir/libricss ]; then
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lhotse download libricss $dl_dir/libricss
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fi
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# If you have pre-downloaded it to /path/to/musan,
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# you can create a symlink
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#
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# ln -sfv /path/to/musan $dl_dir/
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#
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if [ ! -d $dl_dir/musan ]; then
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lhotse download musan $dl_dir
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fi
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# If you have pre-downloaded it to /path/to/rirs_noises,
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# you can create a symlink
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#
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# ln -sfv /path/to/rirs_noises $dl_dir/
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#
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if [ ! -d $dl_dir/rirs_noises ]; then
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lhotse download rir-noise $dl_dir/rirs_noises
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fi
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fi
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if [ $stage -le 1 ] && [ $stop_stage -ge 1 ]; then
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log "Stage 1: Prepare LibriSpeech manifests"
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# We assume that you have downloaded the LibriSpeech corpus
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# to $dl_dir/librispeech. We perform text normalization for the transcripts.
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# NOTE: Alignments are required for this recipe.
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mkdir -p data/manifests
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log "This recipe uses mfa alignment for trimming"
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if [ ! -d $dl_dir/libri_alignments/LibriSpeech ]; then
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log "No alignment provided. please refer to ../../librispeech/ASR/add_alignments.sh \n \
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for mfa alignments. Once you have downloaded and unzipped the .zip file containing \n \
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all alignments, the folder should be renamed to libri_alignments and moved to your $dl_dir ."
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exit 0
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fi
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lhotse prepare librispeech -p train-clean-100 -p train-clean-360 -p train-other-500 -p dev-clean \
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-j 4 --alignments-dir $dl_dir/libri_alignments/LibriSpeech $dl_dir/librispeech data/manifests/
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fi
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if [ $stage -le 2 ] && [ $stop_stage -ge 2 ]; then
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log "Stage 2: Prepare LibriCSS manifests"
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# We assume that you have downloaded the LibriCSS corpus
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# to $dl_dir/libricss. We perform text normalization for the transcripts.
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mkdir -p data/manifests
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for mic in sdm ihm-mix; do
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lhotse prepare libricss --type $mic --segmented $dl_dir/libricss data/manifests/
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done
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fi
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if [ $stage -le 3 ] && [ $stop_stage -ge 3 ]; then
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log "Stage 3: Prepare musan manifest and RIRs"
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# We assume that you have downloaded the musan corpus
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# to $dl_dir/musan
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mkdir -p data/manifests
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lhotse prepare musan $dl_dir/musan data/manifests
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# We assume that you have downloaded the RIRS_NOISES corpus
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# to $dl_dir/rirs_noises
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lhotse prepare rir-noise -p real_rir -p iso_noise $dl_dir/rirs_noises/RIRS_NOISES data/manifests
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fi
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if [ $stage -le 4 ] && [ $stop_stage -ge 4 ]; then
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log "Stage 4: Extract features for LibriSpeech, trim to alignments, and shuffle the cuts"
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# python local/compute_fbank_librispeech.py
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lhotse combine data/manifests/librispeech_cuts_train* data/manifests/librispeech_cuts_train_all.jsonl.gz
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lhotse cut trim-to-alignments --type word --max-pause 0.2 \
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data/manifests/librispeech_cuts_train_all.jsonl.gz \
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data/manifests/librispeech_cuts_train_all_trimmed.jsonl.gz
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cat <(gunzip -c data/manifests/librispeech_cuts_train_all_trimmed.jsonl.gz) | \
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shuf | gzip -c > data/manifests/librispeech_cuts_train_trimmed.jsonl.gz
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fi
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if [ $stage -le 5 ] && [ $stop_stage -ge 5 ]; then
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log "Stage 5: Create simulated mixtures from LibriSpeech (train and dev). This may take a while."
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# We create a high overlap set which will be used during the model warmup phase, and a
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# full training set that will be used for the subsequent training.
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gunzip -c data/manifests/libricss-sdm_supervisions_all.jsonl.gz |\
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grep -v "0L" | grep -v "OV10" |\
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gzip -c > data/manifests/libricss-sdm_supervisions_all_v1.jsonl.gz
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gunzip -c data/manifests/libricss-sdm_supervisions_all.jsonl.gz |\
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grep "OV40" |\
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gzip -c > data/manifests/libricss-sdm_supervisions_ov40.jsonl.gz
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# Warmup mixtures (100k) based on high overlap (OV40)
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log "Generating 100k anechoic train mixtures for warmup"
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lhotse workflows simulate-meetings \
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--method conversational \
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--fit-to-supervisions data/manifests/libricss-sdm_supervisions_ov40.jsonl.gz \
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--num-meetings 100000 \
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--num-speakers-per-meeting 2,3 \
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--max-duration-per-speaker 15.0 \
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--max-utterances-per-speaker 3 \
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--seed 1234 \
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--num-jobs 4 \
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data/manifests/librispeech_cuts_train_trimmed.jsonl.gz \
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data/manifests/lsmix_cuts_train_clean_ov40.jsonl.gz
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# Full training set (2,3 speakers) anechoic
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log "Generating anechoic set (full)"
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lhotse workflows simulate-meetings \
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--method conversational \
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--fit-to-supervisions data/manifests/libricss-sdm_supervisions_all_v1.jsonl.gz \
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--num-repeats 1 \
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--num-speakers-per-meeting 2,3 \
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--max-duration-per-speaker 15.0 \
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--max-utterances-per-speaker 3 \
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--seed 1234 \
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--num-jobs 4 \
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data/manifests/librispeech_cuts_train_trimmed.jsonl.gz \
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data/manifests/lsmix_cuts_train_clean_full.jsonl.gz
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fi
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if [ $stage -le 6 ] && [ $stop_stage -ge 6 ]; then
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log "Stage 6: Compute fbank features for musan"
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mkdir -p data/fbank
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python local/compute_fbank_musan.py
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fi
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if [ $stage -le 7 ] && [ $stop_stage -ge 7 ]; then
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log "Stage 7: Compute fbank features for simulated Libri-mix"
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mkdir -p data/fbank
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python local/compute_fbank_lsmix.py
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fi
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if [ $stage -le 8 ] && [ $stop_stage -ge 8 ]; then
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log "Stage 8: Add source feats to mixtures (useful for auxiliary tasks)"
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python local/add_source_feats.py
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log "Combining lsmix-clean and lsmix-rvb"
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for type in full ov40; do
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cat <(gunzip -c data/manifests/cuts_train_clean_${type}_sources.jsonl.gz) \
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<(gunzip -c data/manifests/cuts_train_rvb_${type}_sources.jsonl.gz) |\
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shuf | gzip -c > data/manifests/cuts_train_comb_${type}_sources.jsonl.gz
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done
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fi
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if [ $stage -le 9 ] && [ $stop_stage -ge 9 ]; then
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log "Stage 9: Compute fbank features for LibriCSS"
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mkdir -p data/fbank
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python local/compute_fbank_libricss.py
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fi
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if [ $stage -le 10 ] && [ $stop_stage -ge 10 ]; then
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log "Stage 10: Download LibriSpeech BPE model from HuggingFace."
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mkdir -p data/lang_bpe_500
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pushd data/lang_bpe_500
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wget https://huggingface.co/Zengwei/icefall-asr-librispeech-pruned-transducer-stateless7-streaming-2022-12-29/resolve/main/data/lang_bpe_500/bpe.model
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popd
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fi
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