{
  "$schema": "../schemas/asset.schema.json",
  "analysis_profile": "notification-sound-db-bs1770-v2",
  "analyzed_at": "2026-08-09T06:27:17Z",
  "audio": {
    "channel_count": 2,
    "channel_layout": "stereo",
    "duration_seconds": 1.219479,
    "sample_rate_hz": 48000
  },
  "file": {
    "bits_per_sample": 32,
    "byte_size": 472470,
    "codec_long_name": "PCM 32-bit floating point little-endian",
    "codec_name": "pcm_f32le",
    "container_format": "caf",
    "extension": ".caf",
    "sample_format": "flt"
  },
  "levels": {
    "active_segment": {
      "duration_seconds": 0.89,
      "end_seconds": 0.94,
      "leading_silence_seconds": 0.05,
      "rms_dbfs": -26.127,
      "start_seconds": 0.05,
      "threshold_dbfs": -54.328,
      "trailing_silence_seconds": 0.279479
    },
    "channels": [
      {
        "index": 0,
        "rms_dbfs": -27.805,
        "sample_peak_dbfs": -8.457
      },
      {
        "index": 1,
        "rms_dbfs": -27.204,
        "sample_peak_dbfs": -9.045
      }
    ],
    "rms_dbfs": -27.494,
    "rms_envelope": {
      "frame_duration_seconds": 0.01,
      "maximum_point_count": 400,
      "method": "non-overlapping channel-combined RMS frames",
      "points": [
        {
          "rms_dbfs": -127.696,
          "time_seconds": 0.005
        },
        {
          "rms_dbfs": -66.566,
          "time_seconds": 0.015
        },
        {
          "rms_dbfs": -59.465,
          "time_seconds": 0.025
        },
        {
          "rms_dbfs": -56.24,
          "time_seconds": 0.035
        },
        {
          "rms_dbfs": -54.41,
          "time_seconds": 0.045
        },
        {
          "rms_dbfs": -53.04,
          "time_seconds": 0.055
        },
        {
          "rms_dbfs": -52.204,
          "time_seconds": 0.065
        },
        {
          "rms_dbfs": -51.308,
          "time_seconds": 0.075
        },
        {
          "rms_dbfs": -50.318,
          "time_seconds": 0.085
        },
        {
          "rms_dbfs": -49.277,
          "time_seconds": 0.095
        },
        {
          "rms_dbfs": -48.712,
          "time_seconds": 0.105
        },
        {
          "rms_dbfs": -48.247,
          "time_seconds": 0.115
        },
        {
          "rms_dbfs": -47.391,
          "time_seconds": 0.125
        },
        {
          "rms_dbfs": -46.661,
          "time_seconds": 0.135
        },
        {
          "rms_dbfs": -45.965,
          "time_seconds": 0.145
        },
        {
          "rms_dbfs": -45.744,
          "time_seconds": 0.155
        },
        {
          "rms_dbfs": -45.267,
          "time_seconds": 0.165
        },
        {
          "rms_dbfs": -44.354,
          "time_seconds": 0.175
        },
        {
          "rms_dbfs": -43.937,
          "time_seconds": 0.185
        },
        {
          "rms_dbfs": -43.575,
          "time_seconds": 0.195
        },
        {
          "rms_dbfs": -43.182,
          "time_seconds": 0.205
        },
        {
          "rms_dbfs": -42.586,
          "time_seconds": 0.215
        },
        {
          "rms_dbfs": -41.853,
          "time_seconds": 0.225
        },
        {
          "rms_dbfs": -41.69,
          "time_seconds": 0.235
        },
        {
          "rms_dbfs": -41.418,
          "time_seconds": 0.245
        },
        {
          "rms_dbfs": -40.731,
          "time_seconds": 0.255
        },
        {
          "rms_dbfs": -40.252,
          "time_seconds": 0.265
        },
        {
          "rms_dbfs": -39.837,
          "time_seconds": 0.275
        },
        {
          "rms_dbfs": -40.232,
          "time_seconds": 0.285
        },
        {
          "rms_dbfs": -33.191,
          "time_seconds": 0.295
        },
        {
          "rms_dbfs": -14.328,
          "time_seconds": 0.305
        },
        {
          "rms_dbfs": -20.321,
          "time_seconds": 0.315
        },
        {
          "rms_dbfs": -22.372,
          "time_seconds": 0.325
        },
        {
          "rms_dbfs": -21.849,
          "time_seconds": 0.335
        },
        {
          "rms_dbfs": -21.856,
          "time_seconds": 0.345
        },
        {
          "rms_dbfs": -22.352,
          "time_seconds": 0.355
        },
        {
          "rms_dbfs": -22.543,
          "time_seconds": 0.365
        },
        {
          "rms_dbfs": -22.769,
          "time_seconds": 0.375
        },
        {
          "rms_dbfs": -22.046,
          "time_seconds": 0.385
        },
        {
          "rms_dbfs": -21.685,
          "time_seconds": 0.395
        },
        {
          "rms_dbfs": -21.231,
          "time_seconds": 0.405
        },
        {
          "rms_dbfs": -18.012,
          "time_seconds": 0.415
        },
        {
          "rms_dbfs": -17.988,
          "time_seconds": 0.425
        },
        {
          "rms_dbfs": -20.98,
          "time_seconds": 0.435
        },
        {
          "rms_dbfs": -20.744,
          "time_seconds": 0.445
        },
        {
          "rms_dbfs": -21.724,
          "time_seconds": 0.455
        },
        {
          "rms_dbfs": -22.634,
          "time_seconds": 0.465
        },
        {
          "rms_dbfs": -22.56,
          "time_seconds": 0.475
        },
        {
          "rms_dbfs": -22.657,
          "time_seconds": 0.485
        },
        {
          "rms_dbfs": -22.56,
          "time_seconds": 0.495
        },
        {
          "rms_dbfs": -22.918,
          "time_seconds": 0.505
        },
        {
          "rms_dbfs": -22.678,
          "time_seconds": 0.515
        },
        {
          "rms_dbfs": -22.349,
          "time_seconds": 0.525
        },
        {
          "rms_dbfs": -23.474,
          "time_seconds": 0.535
        },
        {
          "rms_dbfs": -25.302,
          "time_seconds": 0.545
        },
        {
          "rms_dbfs": -26.228,
          "time_seconds": 0.555
        },
        {
          "rms_dbfs": -28.011,
          "time_seconds": 0.565
        },
        {
          "rms_dbfs": -28.948,
          "time_seconds": 0.575
        },
        {
          "rms_dbfs": -29.913,
          "time_seconds": 0.585
        },
        {
          "rms_dbfs": -30.637,
          "time_seconds": 0.595
        },
        {
          "rms_dbfs": -31.298,
          "time_seconds": 0.605
        },
        {
          "rms_dbfs": -31.989,
          "time_seconds": 0.615
        },
        {
          "rms_dbfs": -32.117,
          "time_seconds": 0.625
        },
        {
          "rms_dbfs": -32.34,
          "time_seconds": 0.635
        },
        {
          "rms_dbfs": -33.224,
          "time_seconds": 0.645
        },
        {
          "rms_dbfs": -34.043,
          "time_seconds": 0.655
        },
        {
          "rms_dbfs": -34.531,
          "time_seconds": 0.665
        },
        {
          "rms_dbfs": -35.873,
          "time_seconds": 0.675
        },
        {
          "rms_dbfs": -38.09,
          "time_seconds": 0.685
        },
        {
          "rms_dbfs": -38.603,
          "time_seconds": 0.695
        },
        {
          "rms_dbfs": -37.862,
          "time_seconds": 0.705
        },
        {
          "rms_dbfs": -38.961,
          "time_seconds": 0.715
        },
        {
          "rms_dbfs": -39.998,
          "time_seconds": 0.725
        },
        {
          "rms_dbfs": -40.1,
          "time_seconds": 0.735
        },
        {
          "rms_dbfs": -40.07,
          "time_seconds": 0.745
        },
        {
          "rms_dbfs": -40.326,
          "time_seconds": 0.755
        },
        {
          "rms_dbfs": -39.998,
          "time_seconds": 0.765
        },
        {
          "rms_dbfs": -39.453,
          "time_seconds": 0.775
        },
        {
          "rms_dbfs": -40.135,
          "time_seconds": 0.785
        },
        {
          "rms_dbfs": -41.796,
          "time_seconds": 0.795
        },
        {
          "rms_dbfs": -42.527,
          "time_seconds": 0.805
        },
        {
          "rms_dbfs": -43.589,
          "time_seconds": 0.815
        },
        {
          "rms_dbfs": -44.881,
          "time_seconds": 0.825
        },
        {
          "rms_dbfs": -46.413,
          "time_seconds": 0.835
        },
        {
          "rms_dbfs": -47.451,
          "time_seconds": 0.845
        },
        {
          "rms_dbfs": -47.464,
          "time_seconds": 0.855
        },
        {
          "rms_dbfs": -49.339,
          "time_seconds": 0.865
        },
        {
          "rms_dbfs": -49.253,
          "time_seconds": 0.875
        },
        {
          "rms_dbfs": -48.822,
          "time_seconds": 0.885
        },
        {
          "rms_dbfs": -48.72,
          "time_seconds": 0.895
        },
        {
          "rms_dbfs": -49.222,
          "time_seconds": 0.905
        },
        {
          "rms_dbfs": -49.783,
          "time_seconds": 0.915
        },
        {
          "rms_dbfs": -51.323,
          "time_seconds": 0.925
        },
        {
          "rms_dbfs": -53.612,
          "time_seconds": 0.935
        },
        {
          "rms_dbfs": -55.452,
          "time_seconds": 0.945
        },
        {
          "rms_dbfs": -56.745,
          "time_seconds": 0.955
        },
        {
          "rms_dbfs": -57.633,
          "time_seconds": 0.965
        },
        {
          "rms_dbfs": -56.959,
          "time_seconds": 0.975
        },
        {
          "rms_dbfs": -56.404,
          "time_seconds": 0.985
        },
        {
          "rms_dbfs": -56.409,
          "time_seconds": 0.995
        },
        {
          "rms_dbfs": -56.786,
          "time_seconds": 1.005
        },
        {
          "rms_dbfs": -56.191,
          "time_seconds": 1.015
        },
        {
          "rms_dbfs": -56.596,
          "time_seconds": 1.025
        },
        {
          "rms_dbfs": -58.93,
          "time_seconds": 1.035
        },
        {
          "rms_dbfs": -59.971,
          "time_seconds": 1.045
        },
        {
          "rms_dbfs": -60.969,
          "time_seconds": 1.055
        },
        {
          "rms_dbfs": -61.45,
          "time_seconds": 1.065
        },
        {
          "rms_dbfs": -62.492,
          "time_seconds": 1.075
        },
        {
          "rms_dbfs": -63.181,
          "time_seconds": 1.085
        },
        {
          "rms_dbfs": -63.627,
          "time_seconds": 1.095
        },
        {
          "rms_dbfs": -62.928,
          "time_seconds": 1.105
        },
        {
          "rms_dbfs": -62.544,
          "time_seconds": 1.115
        },
        {
          "rms_dbfs": -62.747,
          "time_seconds": 1.125
        },
        {
          "rms_dbfs": -63.381,
          "time_seconds": 1.135
        },
        {
          "rms_dbfs": -64.541,
          "time_seconds": 1.145
        },
        {
          "rms_dbfs": -65.943,
          "time_seconds": 1.155
        },
        {
          "rms_dbfs": -66.887,
          "time_seconds": 1.165
        },
        {
          "rms_dbfs": -68.258,
          "time_seconds": 1.175
        },
        {
          "rms_dbfs": -70.239,
          "time_seconds": 1.185
        },
        {
          "rms_dbfs": -73.536,
          "time_seconds": 1.195
        },
        {
          "rms_dbfs": -78.896,
          "time_seconds": 1.205
        },
        {
          "rms_dbfs": -111.309,
          "time_seconds": 1.21474
        }
      ]
    },
    "sample_crest_factor_db": 19.037,
    "sample_peak_dbfs": -8.457,
    "true_peak_crest_factor_db": 18.994
  },
  "loudness": {
    "integrated_lufs": -22.3,
    "loudness_range_lu": null,
    "maximum_momentary_lufs": -20.5,
    "maximum_short_term_lufs": null,
    "momentary_window_seconds": 0.4,
    "notes": [
      "silent_tail_added_for_meter_settling",
      "source_shorter_than_short_term_window"
    ],
    "short_term_window_seconds": 3.0,
    "standard": "ITU-R BS.1770-5 / EBU Mode",
    "tail_padding_seconds": 3.1,
    "true_peak_dbtp": -8.5
  },
  "schema_version": "1.1.0",
  "sha256": "d6720298624da9b0f31a0e427fc973d3f13d4947f0d0027273a1f2cdf8038c6a",
  "spectrum": {
    "broad_band_energy_dbfs": {
      "high_5000_10000_hz": -90.942,
      "low_80_200_hz": -48.525,
      "low_mid_200_500_hz": -27.306,
      "mid_500_2000_hz": -50.318,
      "presence_2000_5000_hz": -72.53,
      "sub_20_80_hz": -74.662
    },
    "method": "Welch PSD, Hann window, 4096-sample maximum segment",
    "peak_frequency_hz": 257.812,
    "spectral_centroid_hz": 265.612,
    "speech_band_200_8000_hz_energy_percent": 98.789,
    "third_octave_band_energy_dbfs": [
      {
        "center_hz": 25.0,
        "energy_dbfs": -86.41
      },
      {
        "center_hz": 31.5,
        "energy_dbfs": -84.367
      },
      {
        "center_hz": 40.0,
        "energy_dbfs": -82.919
      },
      {
        "center_hz": 50.0,
        "energy_dbfs": -81.426
      },
      {
        "center_hz": 63.0,
        "energy_dbfs": -78.63
      },
      {
        "center_hz": 80.0,
        "energy_dbfs": -72.931
      },
      {
        "center_hz": 100.0,
        "energy_dbfs": -70.905
      },
      {
        "center_hz": 125.0,
        "energy_dbfs": -66.194
      },
      {
        "center_hz": 160.0,
        "energy_dbfs": -54.749
      },
      {
        "center_hz": 200.0,
        "energy_dbfs": -45.57
      },
      {
        "center_hz": 250.0,
        "energy_dbfs": -28.696
      },
      {
        "center_hz": 315.0,
        "energy_dbfs": -38.573
      },
      {
        "center_hz": 400.0,
        "energy_dbfs": -49.685
      },
      {
        "center_hz": 500.0,
        "energy_dbfs": -51.497
      },
      {
        "center_hz": 630.0,
        "energy_dbfs": -63.576
      },
      {
        "center_hz": 800.0,
        "energy_dbfs": -61.87
      },
      {
        "center_hz": 1000.0,
        "energy_dbfs": -58.858
      },
      {
        "center_hz": 1250.0,
        "energy_dbfs": -70.011
      },
      {
        "center_hz": 1600.0,
        "energy_dbfs": -76.701
      },
      {
        "center_hz": 2000.0,
        "energy_dbfs": -72.56
      },
      {
        "center_hz": 2500.0,
        "energy_dbfs": -81.615
      },
      {
        "center_hz": 3150.0,
        "energy_dbfs": -85.408
      },
      {
        "center_hz": 4000.0,
        "energy_dbfs": -87.926
      },
      {
        "center_hz": 5000.0,
        "energy_dbfs": -91.169
      },
      {
        "center_hz": 6300.0,
        "energy_dbfs": -95.393
      },
      {
        "center_hz": 8000.0,
        "energy_dbfs": -96.948
      },
      {
        "center_hz": 10000.0,
        "energy_dbfs": -113.978
      },
      {
        "center_hz": 12500.0,
        "energy_dbfs": -118.036
      },
      {
        "center_hz": 16000.0,
        "energy_dbfs": -119.63
      }
    ]
  },
  "toolchain": {
    "ffmpeg": "ffmpeg version 8.1.2 Copyright (c) 2000-2026 the FFmpeg developers",
    "ffprobe": "ffprobe version 8.1.2 Copyright (c) 2007-2026 the FFmpeg developers",
    "notification_sound_db": "0.1.0"
  }
}
