Merge pull request #983 from alibaba-damo-academy/dev_lyh

hnluo

2023-09-27 4854d398708594a13e3043daf1a19adfde970ea2

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beam_size: 5
penalty: 0.0
maxlenratio: 0.0
minlenratio: 0.0
ctc_weight: 0.5
lm_weight: 0.7