Merge pull request #952 from alibaba-damo-academy/aky15-patch-1

aky15

2023-09-14 5c9bdfa238560b9c4a8d8a7d4b56c28496a3e094

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