{
  "window_s": 0.5,
  "buckets": [
    {
      "start_s": 0,
      "end_s": 10,
      "speech_free_windows": 0,
      "floor_db": null,
      "max_db": -15.5
    },
    {
      "start_s": 10,
      "end_s": 20,
      "speech_free_windows": 8,
      "floor_db": -45.2,
      "max_db": -17.2
    },
    {
      "start_s": 20,
      "end_s": 30,
      "speech_free_windows": 8,
      "floor_db": -49.3,
      "max_db": -13.8
    },
    {
      "start_s": 30,
      "end_s": 40,
      "speech_free_windows": 14,
      "floor_db": -49.2,
      "max_db": -18.2
    },
    {
      "start_s": 40,
      "end_s": 50,
      "speech_free_windows": 12,
      "floor_db": -35.7,
      "max_db": -16.0
    },
    {
      "start_s": 50,
      "end_s": 60,
      "speech_free_windows": 9,
      "floor_db": -36.6,
      "max_db": -14.8
    },
    {
      "start_s": 60,
      "end_s": 70,
      "speech_free_windows": 0,
      "floor_db": null,
      "max_db": -14.5
    },
    {
      "start_s": 70,
      "end_s": 80,
      "speech_free_windows": 6,
      "floor_db": -37.0,
      "max_db": -13.7
    },
    {
      "start_s": 80,
      "end_s": 90,
      "speech_free_windows": 0,
      "floor_db": null,
      "max_db": -13.3
    },
    {
      "start_s": 90,
      "end_s": 100,
      "speech_free_windows": 0,
      "floor_db": null,
      "max_db": -15.8
    },
    {
      "start_s": 100,
      "end_s": 110,
      "speech_free_windows": 0,
      "floor_db": null,
      "max_db": -14.9
    },
    {
      "start_s": 110,
      "end_s": 120,
      "speech_free_windows": 9,
      "floor_db": -46.9,
      "max_db": -14.3
    },
    {
      "start_s": 120,
      "end_s": 130,
      "speech_free_windows": 0,
      "floor_db": null,
      "max_db": -14.0
    },
    {
      "start_s": 130,
      "end_s": 140,
      "speech_free_windows": 0,
      "floor_db": null,
      "max_db": -13.1
    },
    {
      "start_s": 140,
      "end_s": 150,
      "speech_free_windows": 10,
      "floor_db": -46.7,
      "max_db": -12.8
    },
    {
      "start_s": 150,
      "end_s": 160,
      "speech_free_windows": 3,
      "floor_db": -39.2,
      "max_db": -16.9
    },
    {
      "start_s": 160,
      "end_s": 170,
      "speech_free_windows": 0,
      "floor_db": null,
      "max_db": -13.3
    },
    {
      "start_s": 170,
      "end_s": 180,
      "speech_free_windows": 0,
      "floor_db": null,
      "max_db": -12.7
    },
    {
      "start_s": 180,
      "end_s": 190,
      "speech_free_windows": 0,
      "floor_db": null,
      "max_db": -14.2
    },
    {
      "start_s": 190,
      "end_s": 200,
      "speech_free_windows": 0,
      "floor_db": null,
      "max_db": -13.7
    },
    {
      "start_s": 200,
      "end_s": 210,
      "speech_free_windows": 0,
      "floor_db": null,
      "max_db": -13.5
    },
    {
      "start_s": 210,
      "end_s": 220,
      "speech_free_windows": 0,
      "floor_db": null,
      "max_db": -12.0
    },
    {
      "start_s": 220,
      "end_s": 230,
      "speech_free_windows": 1,
      "floor_db": -39.1,
      "max_db": -13.7
    },
    {
      "start_s": 230,
      "end_s": 240,
      "speech_free_windows": 1,
      "floor_db": -45.0,
      "max_db": -15.8
    },
    {
      "start_s": 240,
      "end_s": 250,
      "speech_free_windows": 20,
      "floor_db": -46.4,
      "max_db": -31.6
    },
    {
      "start_s": 250,
      "end_s": 260,
      "speech_free_windows": 16,
      "floor_db": -47.3,
      "max_db": -20.5
    },
    {
      "start_s": 260,
      "end_s": 270,
      "speech_free_windows": 1,
      "floor_db": -180.0,
      "max_db": -15.6
    },
    {
      "start_s": 270,
      "end_s": 280,
      "speech_free_windows": 0,
      "floor_db": null,
      "max_db": -14.2
    },
    {
      "start_s": 280,
      "end_s": 290,
      "speech_free_windows": 1,
      "floor_db": -53.8,
      "max_db": -12.7
    },
    {
      "start_s": 290,
      "end_s": 300,
      "speech_free_windows": 2,
      "floor_db": -40.9,
      "max_db": -11.0
    },
    {
      "start_s": 300,
      "end_s": 310,
      "speech_free_windows": 0,
      "floor_db": null,
      "max_db": -9.9
    },
    {
      "start_s": 310,
      "end_s": 320,
      "speech_free_windows": 0,
      "floor_db": null,
      "max_db": -10.8
    },
    {
      "start_s": 320,
      "end_s": 330,
      "speech_free_windows": 6,
      "floor_db": -78.9,
      "max_db": -13.3
    }
  ],
  "measured_at": "2026-09-10T11:54:05Z",
  "note": "floor_db = 10th percentile RMS of speech-free windows per 10 s; None = no speech-free window"
}