{
  "architectures": [
    "FastASR"
  ],
  "model_type": "blstmp-ctc",
  "vocab_size": 2566,
  "blank_id": 0,
  "unk_id": 1,
  "sample_rate": 16000,
  "n_mels": 80,
  "n_fft": 400,
  "win_length": 400,
  "hop_length": 160,
  "frontend": "Conv2d x4 + MaxPool x2",
  "encoder": "4-layer BLSTMP",
  "hidden": 320,
  "proj": 512,
  "rnn_layers": 4,
  "dropout": 0.15,
  "training": {
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    "best_epoch": 25,
    "optimizer_steps": 178325,
    "peak_lr": 0.0006,
    "batch": "180s / 90 clips x 4 accum"
  }
}