PaddleSpeech/examples/aishell/asr1/conf/augmentation.json

[
  {
    "type": "speed",
    "params": {
      "min_speed_rate": 0.9,
      "max_speed_rate": 1.1,
      "num_rates": 3
    },
    "prob": 0.0
  },
  {
    "type": "shift",
    "params": {
      "min_shift_ms": -5,
      "max_shift_ms": 5
    },
    "prob": 1.0
  },
  {
    "type": "specaug",
    "params": {
      "W": 0,
      "warp_mode": "PIL",
      "F": 10,
      "n_freq_masks": 2,
      "T": 50,
      "n_time_masks": 2,
      "p": 1.0,
      "adaptive_number_ratio": 0,
      "adaptive_size_ratio": 0,
      "max_n_time_masks": 20,
      "replace_with_zero": true
    },
    "prob": 1.0
  }
]