{
  "specaugment": {
    "vocab_size": 2000,
    "augmentation": "specaugment"
  },
  "gaussian_noise": {
    "vocab_size": 2000,
    "augmentation": "gaussian_noise"
  },
  "speed_perturbation": {
    "vocab_size": 2000,
    "augmentation": "speed_perturbation"
  },
  "original": {
    "vocab_size": 2000,
    "augmentation": "original"
  }
}