Merge branch 'main' into dev_smohan

yhliang

2023-05-11 1d1ef01b4e23630a99a3be7e9d1dce9550a793e9

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beam_size: 20
penalty: 0.0
maxlenratio: 0.0
minlenratio: 0.0
ctc_weight: 0.6
lm_weight: 0.3