lm_weight: 1.0  #1.2
beam_size: 20
penalty: 0.0
maxlenratio: 0.0
minlenratio: 0.0
ctc_weight: 0.3  #0.5
subtitle_ctc_weight: 0.3
ngram_weight: 0.7  #0.9

maskctc_n_iterations: 10
maskctc_threshold_probability: 0.9
maskctc_init_masked: true

return_verbatim_only: true