Merge branch 'main' into feat/cuda

zhifu gao

2023-03-30 be375fe5d8e7e6e7390ebe374bfaddee9c5abe90

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beam_size: 10
penalty: 0.0
maxlenratio: 0.0
minlenratio: 0.0
ctc_weight: 0.5
lm_weight: 0.7