preprocess_pipeline.yaml

$autrainer.transforms.smart_compose.SmartCompose==0.3.0:
  transforms:
  - $autrainer.transforms.specific_transforms.StereoToMono==0.3.0:
      order: -95
  - $autrainer.transforms.specific_transforms.PannMel==0.3.0:
      window_size: 1024
      hop_size: 320
      sample_rate: 32000
      fmin: 50
      fmax: 14000
      mel_bins: 64
      ref: 1.0
      amin: 1.0e-10
      top_db: null
      order: -90