{
  "generator": "doppler",
  "id": "doppler-effect-audio-300kmh",
  "status": "final",
  "note": "Clip 5: a 500 Hz tone with its 2nd to 5th harmonics (amplitudes 1/n) passing 10 m away in a straight line at a steady 300 km/h (about 186.4 mph), in still air at 343.2 m/s, received by a listener standing still; 8 s, from 4 s before to 4 s after the closest point.",
  "sample_rate_hz": 48000,
  "t_start_s": -4.0,
  "t_end_s": 4.0,
  "source": {
    "f0_hz": 500.0,
    "harmonic_amplitudes": [
      1.0,
      0.5,
      0.333333,
      0.25,
      0.2
    ]
  },
  "motion": {
    "speed_km_h": 300.0,
    "closest_distance_m": 10.0,
    "speed_of_sound_m_s": 343.2,
    "min_distance_m": 1.0
  },
  "fade_in_s": 0.05,
  "fade_out_s": 0.05,
  "level": {
    "target_lufs": -28.0,
    "peak_max_dbtp": -12.0
  },
  "seed": null,
  "analysis": {
    "window_s": 0.05,
    "hop_s": 0.025
  }
}