accum_grad: 8
cmvn: global_mvn
cmvn_conf:
  cmvn_file: /data/models/dolphin-small/feats_stats.npz
ctc: ctc
ctc_conf:
  ctc_blank_id: 0
dataset: asr
dataset_conf:
  batch_conf:
    batch_size: 16
    batch_type: static
  ctc_label: true
  cycle: 100
  fbank_conf:
    dither: 0.1
    frame_length: 25
    frame_shift: 10
    num_mel_bins: 80
  frontend_conf:
    n_fft: 512
    win_length: 400
    hop_length: 160
    fs: 16000
  filter_conf:
    max_length: 3000
    min_length: 0
    token_max_length: 200
    token_min_length: 1
  no_time_idx: 3
  remove_punctuation: true
  remove_timestamp: true
  resample_conf:
    resample_rate: 16000
  shuffle: true
  shuffle_conf:
    shuffle_size: 5120
  sort: true
  sort_conf:
    sort_size: 2048
  spec_aug: true
  spec_aug_conf:
    max_f: 10
    max_t: 50
    num_f_mask: 2
    num_t_mask: 2
  speed_perturb: true
  time_apply_prob: 0.0
decoder: transformer
decoder_conf:
  attention_heads: 12
  dropout_rate: 0.1
  linear_units: 3072
  num_blocks: 12
  positional_dropout_rate: 0.1
  self_attention_dropout_rate: 0.1
  src_attention_dropout_rate: 0.1
  use_sdpa: false
dtype: fp32
encoder: e_branchformer
encoder_conf:
  activation_type: swish
  attention_dropout_rate: 0.1
  attention_heads: 12
  causal: false
  cgmlp_conv_kernel: 31
  cgmlp_linear_units: 3072
  dropout_rate: 0.1
  gate_activation: identity
  input_layer: conv2d
  linear_units: 1536
  merge_conv_kernel: 31
  num_blocks: 12
  output_size: 768
  pos_enc_layer_type: rel_pos_v1
  positional_dropout_rate: 0.1
  selfattention_layer_type: rel_selfattn
  use_linear_after_conv: false
  use_sdpa: false
grad_clip: 5
input_dim: 80
log_interval: 200
max_epoch: 100
model: asr_model
model_conf:
  ctc_weight: 0.3
  length_normalized_loss: false
  lsm_weight: 0.1
model_dir: exp/dolphin_ebf_small_nonstreaming_v4.3
optim: adam
optim_conf:
  lr: 0.0005
output_dim: 40002
save_interval: 1000
save_states: model_only
scheduler: warmuplr
scheduler_conf:
  warmup_steps: 2048
stats_dialect: true
tokenizer: bpe
tokenizer_conf:
  bpe_path: /data/models/dolphin-small/bpe.model
  symbol_table_path: /data/models/dolphin-small/units.txt
  special_tokens:
    <asr>: 6
    <blank>: 0
    <eos>: 40000
    <sos>: 39999 
    <unk>: 1
train_engine: torch_ddp
use_amp: false
vocab_size: 40002
layer_norm_eps: 1e-12
support_timestamp: true