support resume model from pai (#544)

aky15

2023-05-24 2f9685797b0c8a420574c2a459c242f90efdf3ee

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# The conformer transducer decoding configuration from @jeon30c
beam_size: 10
simu_streaming: false
streaming: true
chunk_size: 16
left_context: 16
right_context: 0