add infer decoding model param

onlybetheone

2023-02-15 41b71d1b474c0b8261271c3c2c516793e8c34885

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