{
  "sample_rate": 16000,
  "chunk_sec": 0.64,
  "right_context_sec": 0.16,
  "nbest": 5,
  "beam_size": 8,
  "max_new_tokens": 128,
  "no_repeat_ngram_size": 0,
  "language": "english",
  "min_sil_frames": 4,
  "commit_rule": "legacy",
  "max_audio_sec": 30,
  "filter": {
    "max_new_tokens": 128,
    "no_repeat_ngram_size": 0,
    "strict_repeat_word_trigger": 64,
    "strict_repeat_phone_trigger": 100,
    "repeat_ngram_min_repeats": 4,
    "repeat_max_ngram_size": 12,
    "repeat_ngram_coverage": 0.6,
    "repeat_token_ratio": 0.5,
    "length_policy": "word_count and absolute phone_count only enable strict repetition checks; non-repetitive long hypotheses are retained",
    "hard_rejection_policy": "reference-independent repeated hypotheses only; G2P or alignment failures return explicit invalid status"
  },
  "historical_reference_ratio_filter_disabled": true,
  "lexical_stress_features": "zero as frozen builder",
  "native_target_divisor": 5,
  "score_scaling": {
    "word_network_to_0_10": 5,
    "utterance_network_to_0_10": 5,
    "phone_network_to_0_2": 5,
    "word_network_to_0_5": 2.5,
    "utterance_network_to_0_5": 2.5,
    "phone_network_to_0_5": 12.5
  },
  "clip_scores": false,
  "historical_filter_metadata": {
    "max_new_tokens": 128,
    "no_repeat_ngram_size": 0,
    "strict_repeat_word_trigger": 64,
    "strict_repeat_phone_trigger": 100,
    "max_phone_ratio": 3.0,
    "repeat_ngram_min_repeats": 4,
    "repeat_max_ngram_size": 12,
    "repeat_ngram_coverage": 0.6,
    "repeat_token_ratio": 0.5,
    "length_policy": "word_count and absolute phone_count only enable strict repetition checks; non-repetitive long hypotheses are retained",
    "hard_rejection_policy": "drop individual N-best hypotheses with detected repetition or ASR/reference phone ratio above max_phone_ratio; drop chunk only if all hypotheses are filtered"
  }
}