Add online LSTM transducer model (#25)

.github/scripts/test-online-transducer.sh

@@ -0,0 +1,47 @@
+#!/usr/bin/env bash
+
+set -e
+
+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]}) $*"
+}
+
+echo "EXE is $EXE"
+echo "PATH: $PATH"
+
+which $EXE
+
+log "------------------------------------------------------------"
+log "Run LSTM transducer (English)"
+log "------------------------------------------------------------"
+
+repo_url=https://huggingface.co/csukuangfj/sherpa-onnx-lstm-en-2023-02-17
+
+log "Start testing ${repo_url}"
+repo=$(basename $repo_url)
+log "Download pretrained model and test-data from $repo_url"
+
+GIT_LFS_SKIP_SMUDGE=1 git clone $repo_url
+pushd $repo
+git lfs pull --include "*.onnx"
+popd
+
+waves=(
+$repo/test_wavs/1089-134686-0001.wav
+$repo/test_wavs/1221-135766-0001.wav
+$repo/test_wavs/1221-135766-0002.wav
+)
+
+for wave in ${waves[@]}; do
+  time $EXE \
+  $repo/tokens.txt \
+  $repo/encoder-epoch-99-avg-1.onnx \
+  $repo/decoder-epoch-99-avg-1.onnx \
+  $repo/joiner-epoch-99-avg-1.onnx \
+  $wave \
+  4
+done
+
+rm -rf $repo