VolAnti

{
  "schema": "acoustic-detector/device_config/1",
  "site": "rural",
  "corpus_tag": "rural-v1",
  "default_preset": "HIGH_ALERT",
  "presets": {
    "NORMAL": {
      "threshold": 2.14,
      "off_prio": 0.0,
      "off_gen": 0.0
    },
    "HIGH_ALERT": {
      "threshold": 1.7,
      "off_prio": 0.0,
      "off_gen": 0.0
    }
  },
  "budgets_weighted_fa_per_hour_nongust": {
    "NORMAL": 1.0,
    "HIGH_ALERT": 4.0
  },
  "detector": {
    "fs": 16000,
    "n_fft": 2048,
    "hop": 512,
    "f_search_lo": 70.0,
    "f_search_hi": 2000.0,
    "f_step": 1.0,
    "f_alert_lo": 200.0,
    "f_alert_hi": 2000.0,
    "f_prio_lo": 200.0,
    "f_prio_hi": 800.0,
    "thr_off_prio": 0.0,
    "thr_off_gen": 0.0,
    "n_harm_max": 12,
    "n_harm_min": 4,
    "f_max_harm": 7800.0,
    "floor_mode": "tonality",
    "tau_rise_s": 6.0,
    "tau_fall_s": 0.8,
    "tau_rise_fast_s": 1.5,
    "tau_energy_s": 4.0,
    "gate_ratio": 1.35,
    "flat_hi": 0.7,
    "minstat_frames": 48,
    "minstat_sub": 4,
    "minstat_bias": 5.5,
    "sat_log": 2.5,
    "hold_mode": "off",
    "hold_chain_min": 2,
    "hold_frac": 0.6,
    "hold_persist": 3,
    "hold_release_s": 0.5,
    "hold_w_bins": 1,
    "hold_max_bins": 64,
    "reanchor": false,
    "reanchor_margin": 0.15,
    "reanchor_min_tooth": 0.7,
    "reanchor_depth": 2,
    "min_teeth": 0,
    "teeth_level": 0.5,
    "max_jitter": 0.004,
    "veto_voice": false,
    "veto_f0_min_hz": 250.0,
    "veto_min_teeth": 11,
    "nf_gate": false,
    "nf_score_hi": 2.0,
    "nf_r_min_db": -15.0,
    "nf_max_jitter": 0.05,
    "r_lo_b0": 16,
    "r_lo_b1": 128,
    "r_hi_b0": 410,
    "t_warmup_s": 1.0,
    "track_need": 6,
    "track_miss": 2,
    "cont_frac": 0.02,
    "cont_min_hz": 12.0,
    "trk_v2": false,
    "trk_v2_cont_frac": 0.25,
    "trk_v2_track_miss": 1,
    "trk_v2_tau_s": 1.0,
    "trk_v2_alpha": 0.9685065820791976,
    "trk_v2_cluster_span": 0.25,
    "trk_v2_cluster_frac": 0.7
  },
  "committed_overrides": {
    "floor_mode": "tonality",
    "tau_rise_fast_s": 1.5,
    "flat_hi": 0.7,
    "reanchor": false,
    "min_teeth": 0,
    "max_jitter": 0.004
  },
  "disabled_features": {
    "hold_mode": {
      "value": "off",
      "why": "comb-hold. Set to 'chain' or 'cand' only with new measurements."
    },
    "reanchor": {
      "value": false,
      "why": "subharmonic re-anchoring: measured zero change in FA and P(d); frame-level octave slip rose 16.9%->17.8%."
    },
    "min_teeth": {
      "value": 0,
      "why": "harmonic-extent gate: no separation against livestock, which saturates at 12/12 supported teeth exactly as drones do. That is why it is off. It is not a general result: a piano is inharmonic (stiff string, partials at n*f0*sqrt(1+B*n^2)) and measures 8/11/12 teeth at p10/median/p90 where every drone class measures 12/12/12, so the same gate at 11 is the veto's second term. Rejected against the wrong adversary; see veto_voice."
    },
    "veto_voice": {
      "value": false,
      "why": "the voice and struck-note veto, calibrated against synthetic piano and held-vowel families. Recalibrated and paired over 486 positives it is 0 lost / 92 gained, McNemar p < 0.0001, and it removes a held vowel entirely."
    },
    "thr_off_prio": {
      "value": 0.0,
      "why": "two-tier band offset: measured no effect - the threat and the binding confuser both sit in the priority band, so any offset is cancelled by threshold recalibration."
    }
  },
  "frame": {
    "fs_hz": 16000,
    "n_fft": 2048,
    "hop": 512,
    "frame_period_s": 0.032,
    "n_bins": 1025,
    "bin_width_hz": 7.8125,
    "cycles_at_240mhz": 7680000.0
  },
  "golden_vectors": [
    "golden_strong_pos",
    "golden_marginal_neg",
    "golden_marginal_pos"
  ],
  "trace_fields": [
    "frame",
    "t_s",
    "score",
    "f0_bin",
    "f0_hz",
    "f0_raw_hz",
    "teeth",
    "floor_fast",
    "reanch",
    "n_held_bins",
    "above_thr",
    "cont_accepted",
    "chain",
    "fired"
  ]
}