training_metadata.json

{
  "checkpoint_file": "best.ckpt",
  "epoch": 68,
  "best_val_loss": -2.9099522034327188,
  "validation_si_snr_db": 2.9099522034327188,
  "contains_optimizer_state": true,
  "contains_scaler_state": true,
  "model_state_tensors": 261
}