#!/bin/bash set +x set -e . ./path.sh # 1. compile if [ ! -d ${SPEECHX_EXAMPLES} ]; then pushd ${SPEECHX_ROOT} bash build.sh popd fi # 2. download model if [ ! -e data/model/asr0_deepspeech2_online_aishell_ckpt_0.2.0.model.tar.gz ]; then mkdir -p data/model pushd data/model wget -c https://paddlespeech.bj.bcebos.com/s2t/aishell/asr0/asr0_deepspeech2_online_aishell_ckpt_0.2.0.model.tar.gz tar xzfv asr0_deepspeech2_online_aishell_ckpt_0.2.0.model.tar.gz popd fi # produce wav scp if [ ! -f data/wav.scp ]; then mkdir -p data pushd data wget -c https://paddlespeech.bj.bcebos.com/PaddleAudio/zh.wav echo "utt1 " $PWD/zh.wav > wav.scp popd fi # input data_dir=./data exp_dir=./exp model_dir=$data_dir/model/ mkdir -p $exp_dir # 3. run feat export GLOG_logtostderr=1 cmvn_json2kaldi_main \ --json_file $model_dir/data/mean_std.json \ --cmvn_write_path $exp_dir/cmvn.ark \ --binary=false echo "convert json cmvn to kaldi ark." compute_linear_spectrogram_main \ --wav_rspecifier=scp:$data_dir/wav.scp \ --feature_wspecifier=ark,t:$exp_dir/feats.ark \ --cmvn_file=$exp_dir/cmvn.ark echo "compute linear spectrogram feature." compute_fbank_main \ --num_bins 161 \ --wav_rspecifier=scp:$data_dir/wav.scp \ --feature_wspecifier=ark,t:$exp_dir/fbank.ark \ --cmvn_file=$exp_dir/cmvn.ark echo "compute fbank feature."