[
  {
    "type": "noise",
    "aug_type": "audio",
    "params": {
      "min_snr_dB": 10,
      "max_snr_dB": 50,
      "repetition": 2,
      "noise_dir": "dataset/noise/"
    },
    "prob": 0.0
  },
  {
    "type": "resample",
    "aug_type": "audio",
    "params": {
      "new_sample_rate": [8000, 32000, 44100, 48000]
    },
    "prob": 0.0
  },
  {
    "type": "speed",
    "aug_type": "audio",
    "params": {
      "min_speed_rate": 0.9,
      "max_speed_rate": 1.1,
      "num_rates": 3
    },
    "prob": 0.5
  },
  {
    "type": "shift",
    "aug_type": "audio",
    "params": {
      "min_shift_ms": -5,
      "max_shift_ms": 5
    },
    "prob": 0.0
  },
  {
    "type": "volume",
    "aug_type": "audio",
    "params": {
      "min_gain_dBFS": -15,
      "max_gain_dBFS": 15
    },
    "prob": 0.5
  },
  {
    "type": "specaug",
    "aug_type": "feature",
    "params": {
      "inplace": true,
      "max_time_warp": 5,
      "max_t_ratio": 0.01,
      "n_freq_masks": 2,
      "max_f_ratio": 0.05,
      "n_time_masks": 2,
      "replace_with_zero": true
    },
    "prob": 0.5
  },
  {
    "type": "specsub",
    "aug_type": "feature",
    "params": {
      "max_t": 10,
      "num_t_sub": 2
    },
    "prob": 0.0
  }
]