117 lines
2.6 KiB
YAML
117 lines
2.6 KiB
YAML
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# This is an example that demonstrates how to configure a model file.
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# You can modify the configuration according to your own requirements.
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# to print the register_table:
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# from funasr.register import tables
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# tables.print()
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# network architecture
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model: Branchformer
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model_conf:
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ctc_weight: 0.3
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lsm_weight: 0.1 # label smoothing option
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length_normalized_loss: false
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# encoder
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encoder: BranchformerEncoder
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encoder_conf:
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output_size: 256
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use_attn: true
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attention_heads: 4
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attention_layer_type: rel_selfattn
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pos_enc_layer_type: rel_pos
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rel_pos_type: latest
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use_cgmlp: true
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cgmlp_linear_units: 2048
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cgmlp_conv_kernel: 31
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use_linear_after_conv: false
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gate_activation: identity
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merge_method: concat
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cgmlp_weight: 0.5 # used only if merge_method is "fixed_ave"
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attn_branch_drop_rate: 0.0 # used only if merge_method is "learned_ave"
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num_blocks: 24
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dropout_rate: 0.1
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positional_dropout_rate: 0.1
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attention_dropout_rate: 0.1
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input_layer: conv2d
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stochastic_depth_rate: 0.0
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# decoder
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decoder: TransformerDecoder
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decoder_conf:
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attention_heads: 4
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linear_units: 2048
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num_blocks: 6
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dropout_rate: 0.1
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positional_dropout_rate: 0.1
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self_attention_dropout_rate: 0.
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src_attention_dropout_rate: 0.
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# frontend related
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frontend: WavFrontend
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frontend_conf:
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fs: 16000
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window: hamming
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n_mels: 80
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frame_length: 25
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frame_shift: 10
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dither: 0.0
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lfr_m: 1
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lfr_n: 1
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specaug: SpecAug
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specaug_conf:
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apply_time_warp: true
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time_warp_window: 5
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time_warp_mode: bicubic
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apply_freq_mask: true
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freq_mask_width_range:
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- 0
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- 30
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num_freq_mask: 2
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apply_time_mask: true
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time_mask_width_range:
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- 0
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- 40
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num_time_mask: 2
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train_conf:
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accum_grad: 1
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grad_clip: 5
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max_epoch: 150
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keep_nbest_models: 10
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log_interval: 50
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optim: adam
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optim_conf:
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lr: 0.001
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weight_decay: 0.000001
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scheduler: warmuplr
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scheduler_conf:
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warmup_steps: 35000
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dataset: AudioDataset
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dataset_conf:
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index_ds: IndexDSJsonl
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batch_sampler: BatchSampler
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batch_type: example # example or length
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batch_size: 1 # if batch_type is example, batch_size is the numbers of samples; if length, batch_size is source_token_len+target_token_len;
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max_token_length: 2048 # filter samples if source_token_len+target_token_len > max_token_length,
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buffer_size: 500
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shuffle: True
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num_workers: 4
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tokenizer: CharTokenizer
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tokenizer_conf:
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unk_symbol: <unk>
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split_with_space: true
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ctc_conf:
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dropout_rate: 0.0
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ctc_type: builtin
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reduce: true
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ignore_nan_grad: true
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normalize: null
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