config_vocals_bandit_bsrnn_multi_mus64.yaml

name: "MultiMaskMultiSourceBandSplitRNN"
audio:
  chunk_size: 264600
  num_channels: 2
  sample_rate: 44100
  min_mean_abs: 0.001

model:
  in_channel: 1
  stems: ['vocals', 'other']
  band_specs: "musical"
  n_bands: 64
  fs: 44100
  require_no_overlap: false
  require_no_gap: true
  normalize_channel_independently: false
  treat_channel_as_feature: true
  n_sqm_modules: 8
  emb_dim: 128
  rnn_dim: 256
  bidirectional: true
  rnn_type: "GRU"
  mlp_dim: 512
  hidden_activation: "Tanh"
  hidden_activation_kwargs: null
  complex_mask: true
  n_fft: 2048
  win_length: 2048
  hop_length: 512
  window_fn: "hann_window"
  wkwargs: null
  power: null
  center: true
  normalized: true
  pad_mode: "constant"
  onesided: true

training:
  batch_size: 4
  gradient_accumulation_steps: 4
  grad_clip: 0
  instruments:
  - vocals
  - other
  lr: 9.0e-05
  patience: 2
  reduce_factor: 0.95
  target_instrument: null
  num_epochs: 1000
  num_steps: 1000
  q: 0.95
  coarse_loss_clip: true
  ema_momentum: 0.999
  optimizer: adam
  other_fix: true # it's needed for checking on multisong dataset if other is actually instrumental
  use_amp: true # enable or disable usage of mixed precision (float16) - usually it must be true

augmentations:
  enable: true # enable or disable all augmentations (to fast disable if needed)
  loudness: true # randomly change loudness of each stem on the range (loudness_min; loudness_max)
  loudness_min: 0.5
  loudness_max: 1.5
  mixup: true # mix several stems of same type with some probability (only works for dataset types: 1, 2, 3)
  mixup_probs: !!python/tuple # 2 additional stems of the same type (1st with prob 0.2, 2nd with prob 0.02)
    - 0.2
    - 0.02
  mixup_loudness_min: 0.5
  mixup_loudness_max: 1.5

inference:
  batch_size: 1
  dim_t: 256
  num_overlap: 4