preprocessor_config.json

{
  "feature_extractor_type": "Pop2PianoFeatureExtractor",
  "start_token_id": 0,
  "target_length": 256,
  "input_length": 1024,
  "num_bars": 2,
  "sampling_rate": 22050,
  "mel_is_conditioned": true,
  "padding_value": 0,
  "eos_token_id": 1,
  "default_velocity": 77,
  "window_size":4096,
  "hop_length":1024,
  "min_frequency":10.0,
  "feature_size":512
}