support chunk size select for chunk-hopping encoder

haoneng.lhn

2023-09-11 e60ac4bc991183a780fdd03d22db7d3b42df9b58

 egs/aishell/transformer/path.sh

@@ -3,3 +3,5 @@
# NOTE(kan-bayashi): Use UTF-8 in Python to avoid UnicodeDecodeError when LC_ALL=C
export PYTHONIOENCODING=UTF-8
export PATH=$FUNASR_DIR/funasr/bin:$PATH

export OMP_NUM_THREADS=1