{
  "generator": "bat_call",
  "id": "bat-echolocation-audio-call",
  "status": "final",
  "note": "A generic synthetic call, not a recording and not a model of any species: five linear frequency sweeps from 60 to 25 kHz, each 5 ms long, one every 100 ms, sampled at 192 kHz. Above the range an MP3 file can carry, so only this parameter file, the spectrum check and the spectrogram are published.",
  "sample_rate_hz": 192000,
  "duration_s": 0.6,
  "lead_s": 0.05,
  "n_calls": 5,
  "call_interval_s": 0.1,
  "call": {
    "segments": [
      {"f_start_hz": 60000.0, "f_end_hz": 25000.0, "duration_s": 0.005, "sweep": "linear"}
    ],
    "harmonic_amplitudes": [1.0],
    "ramp_s": 0.0005
  },
  "fade_in_s": 0.02,
  "fade_out_s": 0.02,
  "level": {"target_lufs": -28.0, "peak_max_dbtp": -12.0},
  "seed": null,
  "analysis": {"window_s": 0.0005, "hop_s": 0.0001, "envelope_smooth_s": 0.0001}
}