| | |
| | | token_type=bpe |
| | | type=sound |
| | | scp=wav.scp |
| | | stage=0 |
| | | stop_stage=0 |
| | | stage=1 |
| | | stop_stage=1 |
| | | |
| | | # feature configuration |
| | | feats_dim=80 |
| | |
| | | set -u |
| | | set -o pipefail |
| | | |
| | | train_set=train_960 |
| | | train_set=train_clean_100 |
| | | valid_set=dev |
| | | test_sets="test_clean test_other dev_clean dev_other" |
| | | |
| | |
| | | if [ ${stage} -le 0 ] && [ ${stop_stage} -ge 0 ]; then |
| | | echo "stage 0: Data preparation" |
| | | # Data preparation |
| | | for x in train-clean-100 train-clean-360 train-other-500 dev-clean dev-other test-clean test-other; do |
| | | local/data_prep_librispeech.sh ${raw_data}/LibriSpeech/${x} ${feats_dir}/data/${x//-/_} |
| | | for x in dev-clean dev-other test-clean test-other train-clean-100; do |
| | | local/data_prep.sh ${raw_data}/LibriSpeech/${x} ${feats_dir}/data/${x//-/_} |
| | | done |
| | | fi |
| | | |
| | | feat_train_dir=${feats_dir}/${dumpdir}/$train_set; mkdir -p ${feat_train_dir} |
| | | feat_dev_clean_dir=${feats_dir}/${dumpdir}/dev_clean; mkdir -p ${feat_dev_clean_dir} |
| | | feat_dev_other_dir=${feats_dir}/${dumpdir}/dev_other; mkdir -p ${feat_dev_other_dir} |
| | | feat_test_clean_dir=${feats_dir}/${dumpdir}/test_clean; mkdir -p ${feat_test_clean_dir} |
| | | feat_test_other_dir=${feats_dir}/${dumpdir}/test_other; mkdir -p ${feat_test_other_dir} |
| | | feat_dev_dir=${feats_dir}/${dumpdir}/$valid_set; mkdir -p ${feat_dev_dir} |
| | | if [ ${stage} -le 1 ] && [ ${stop_stage} -ge 1 ]; then |
| | | echo "stage 1: Feature Generation" |
| | | # compute fbank features |
| | | fbankdir=${feats_dir}/fbank |
| | | for x in dev_clean dev_other test_clean test_other; do |
| | | utils/compute_fbank.sh --cmd "$train_cmd" --nj 1 --max_lengths 3000 --feats_dim ${feats_dim} --sample_frequency ${sample_frequency} \ |
| | | ${feats_dir}/data/${x} ${exp_dir}/exp/make_fbank/${x} ${fbankdir}/${x} |
| | | utils/fix_data_feat.sh ${fbankdir}/${x} |
| | | done |
| | | |
| | | mkdir ${feats_dir}/data/$train_set |
| | | train_sets="train_clean_100 train_clean_360 train_other_500" |
| | | for file in wav.scp text; do |
| | | ( for f in $train_sets; do cat $feats_dir/data/$f/$file; done ) | sort -k1 > $feats_dir/data/$train_set/$file || exit 1; |
| | | done |
| | | utils/compute_fbank.sh --cmd "$train_cmd" --nj $nj --max_lengths 3000 --feats_dim ${feats_dim} --sample_frequency ${sample_frequency} --speed_perturb ${speed_perturb} \ |
| | | ${feats_dir}/data/$train_set ${exp_dir}/exp/make_fbank/$train_set ${fbankdir}/$train_set |
| | | utils/fix_data_feat.sh ${fbankdir}/$train_set |
| | | |
| | | # compute global cmvn |
| | | utils/compute_cmvn.sh --cmd "$train_cmd" --nj $nj --feats_dim ${feats_dim} \ |
| | | ${fbankdir}/$train_set ${exp_dir}/exp/make_fbank/$train_set |
| | | |
| | | # apply cmvn |
| | | utils/apply_cmvn.sh --cmd "$train_cmd" --nj $nj \ |
| | | ${fbankdir}/$train_set ${fbankdir}/$train_set/cmvn.json ${exp_dir}/exp/make_fbank/$train_set ${feat_train_dir} |
| | | utils/apply_cmvn.sh --cmd "$train_cmd" --nj 1 \ |
| | | ${fbankdir}/dev_clean ${fbankdir}/$train_set/cmvn.json ${exp_dir}/exp/make_fbank/dev_clean ${feat_dev_clean_dir} |
| | | utils/apply_cmvn.sh --cmd "$train_cmd" --nj 1\ |
| | | ${fbankdir}/dev_other ${fbankdir}/$train_set/cmvn.json ${exp_dir}/exp/make_fbank/dev_other ${feat_dev_other_dir} |
| | | utils/apply_cmvn.sh --cmd "$train_cmd" --nj 1 \ |
| | | ${fbankdir}/test_clean ${fbankdir}/$train_set/cmvn.json ${exp_dir}/exp/make_fbank/test_clean ${feat_test_clean_dir} |
| | | utils/apply_cmvn.sh --cmd "$train_cmd" --nj 1 \ |
| | | ${fbankdir}/test_other ${fbankdir}/$train_set/cmvn.json ${exp_dir}/exp/make_fbank/test_other ${feat_test_other_dir} |
| | | |
| | | cp ${fbankdir}/$train_set/text ${fbankdir}/$train_set/speech_shape ${fbankdir}/$train_set/text_shape ${feat_train_dir} |
| | | cp ${fbankdir}/dev_clean/text ${fbankdir}/dev_clean/speech_shape ${fbankdir}/dev_clean/text_shape ${feat_dev_clean_dir} |
| | | cp ${fbankdir}/dev_other/text ${fbankdir}/dev_other/speech_shape ${fbankdir}/dev_other/text_shape ${feat_dev_other_dir} |
| | | cp ${fbankdir}/test_clean/text ${fbankdir}/test_clean/speech_shape ${fbankdir}/test_clean/text_shape ${feat_test_clean_dir} |
| | | cp ${fbankdir}/test_other/text ${fbankdir}/test_other/speech_shape ${fbankdir}/test_other/text_shape ${feat_test_other_dir} |
| | | |
| | | dev_sets="dev_clean dev_other" |
| | | for file in feats.scp text speech_shape text_shape; do |
| | | ( for f in $dev_sets; do cat $feats_dir/${dumpdir}/$f/$file; done ) | sort -k1 > $feat_dev_dir/$file || exit 1; |
| | | done |
| | | |
| | | #generate ark list |
| | | utils/gen_ark_list.sh --cmd "$train_cmd" --nj $nj ${feat_train_dir} ${fbankdir}/${train_set} ${feat_train_dir} |
| | | utils/gen_ark_list.sh --cmd "$train_cmd" --nj $nj ${feat_dev_dir} ${fbankdir}/${valid_set} ${feat_dev_dir} |
| | | echo "stage 1: Feature and CMVN Generation" |
| | | utils/compute_cmvn.sh --cmd "$train_cmd" --nj $nj --feats_dim ${feats_dim} ${feats_dir}/data/${train_set} |
| | | fi |
| | | |
| | | dict=${feats_dir}/data/lang_char/${train_set}_${bpemode}${nbpe}_units.txt |
| | |
| | | spm_train --input=${feats_dir}/data/lang_char/input.txt --vocab_size=${nbpe} --model_type=${bpemode} --model_prefix=${bpemodel} --input_sentence_size=100000000 |
| | | spm_encode --model=${bpemodel}.model --output_format=piece < ${feats_dir}/data/lang_char/input.txt | tr ' ' '\n' | sort | uniq | awk '{print $0}' >> ${dict} |
| | | echo "<unk>" >> ${dict} |
| | | wc -l ${dict} |
| | | |
| | | vocab_size=$(cat ${dict} | wc -l) |
| | | awk -v v=,${vocab_size} '{print $0v}' ${feat_train_dir}/text_shape > ${feat_train_dir}/text_shape.char |
| | | awk -v v=,${vocab_size} '{print $0v}' ${feat_dev_dir}/text_shape > ${feat_dev_dir}/text_shape.char |
| | | mkdir -p ${feats_dir}/asr_stats_fbank_zh_char/$train_set |
| | | mkdir -p ${feats_dir}/asr_stats_fbank_zh_char/$valid_set |
| | | cp ${feat_train_dir}/speech_shape ${feat_train_dir}/text_shape ${feat_train_dir}/text_shape.char ${feats_dir}/asr_stats_fbank_zh_char/$train_set |
| | | cp ${feat_dev_dir}/speech_shape ${feat_dev_dir}/text_shape ${feat_dev_dir}/text_shape.char ${feats_dir}/asr_stats_fbank_zh_char/$valid_set |
| | | fi |
| | | |
| | | |