{
  "$schema": "../schemas/asset.schema.json",
  "analysis_profile": "notification-sound-db-bs1770-v2",
  "analyzed_at": "2026-08-09T06:29:45Z",
  "audio": {
    "channel_count": 2,
    "channel_layout": "stereo",
    "duration_seconds": 1.132833,
    "sample_rate_hz": 48000
  },
  "file": {
    "bits_per_sample": null,
    "byte_size": 7248,
    "codec_long_name": "AAC (Advanced Audio Coding)",
    "codec_name": "aac",
    "container_format": "caf",
    "extension": ".wav",
    "sample_format": "fltp"
  },
  "levels": {
    "active_segment": {
      "duration_seconds": 0.63,
      "end_seconds": 0.73,
      "leading_silence_seconds": 0.1,
      "rms_dbfs": -25.965,
      "start_seconds": 0.1,
      "threshold_dbfs": -58.052,
      "trailing_silence_seconds": 0.402833
    },
    "channels": [
      {
        "index": 0,
        "rms_dbfs": -28.513,
        "sample_peak_dbfs": -13.018
      },
      {
        "index": 1,
        "rms_dbfs": -28.513,
        "sample_peak_dbfs": -13.018
      }
    ],
    "rms_dbfs": -28.513,
    "rms_envelope": {
      "frame_duration_seconds": 0.01,
      "maximum_point_count": 400,
      "method": "non-overlapping channel-combined RMS frames",
      "points": [
        {
          "rms_dbfs": -113.686,
          "time_seconds": 0.005
        },
        {
          "rms_dbfs": -112.75,
          "time_seconds": 0.015
        },
        {
          "rms_dbfs": -111.528,
          "time_seconds": 0.025
        },
        {
          "rms_dbfs": -107.287,
          "time_seconds": 0.035
        },
        {
          "rms_dbfs": -97.308,
          "time_seconds": 0.045
        },
        {
          "rms_dbfs": -92.726,
          "time_seconds": 0.055
        },
        {
          "rms_dbfs": -90.437,
          "time_seconds": 0.065
        },
        {
          "rms_dbfs": -87.919,
          "time_seconds": 0.075
        },
        {
          "rms_dbfs": -85.96,
          "time_seconds": 0.085
        },
        {
          "rms_dbfs": -66.438,
          "time_seconds": 0.095
        },
        {
          "rms_dbfs": -44.587,
          "time_seconds": 0.105
        },
        {
          "rms_dbfs": -40.421,
          "time_seconds": 0.115
        },
        {
          "rms_dbfs": -40.438,
          "time_seconds": 0.125
        },
        {
          "rms_dbfs": -26.36,
          "time_seconds": 0.135
        },
        {
          "rms_dbfs": -24.935,
          "time_seconds": 0.145
        },
        {
          "rms_dbfs": -25.084,
          "time_seconds": 0.155
        },
        {
          "rms_dbfs": -23.211,
          "time_seconds": 0.165
        },
        {
          "rms_dbfs": -18.052,
          "time_seconds": 0.175
        },
        {
          "rms_dbfs": -18.844,
          "time_seconds": 0.185
        },
        {
          "rms_dbfs": -18.732,
          "time_seconds": 0.195
        },
        {
          "rms_dbfs": -18.226,
          "time_seconds": 0.205
        },
        {
          "rms_dbfs": -22.891,
          "time_seconds": 0.215
        },
        {
          "rms_dbfs": -24.531,
          "time_seconds": 0.225
        },
        {
          "rms_dbfs": -24.877,
          "time_seconds": 0.235
        },
        {
          "rms_dbfs": -20.991,
          "time_seconds": 0.245
        },
        {
          "rms_dbfs": -21.025,
          "time_seconds": 0.255
        },
        {
          "rms_dbfs": -20.64,
          "time_seconds": 0.265
        },
        {
          "rms_dbfs": -20.706,
          "time_seconds": 0.275
        },
        {
          "rms_dbfs": -20.5,
          "time_seconds": 0.285
        },
        {
          "rms_dbfs": -21.487,
          "time_seconds": 0.295
        },
        {
          "rms_dbfs": -23.54,
          "time_seconds": 0.305
        },
        {
          "rms_dbfs": -24.019,
          "time_seconds": 0.315
        },
        {
          "rms_dbfs": -23.93,
          "time_seconds": 0.325
        },
        {
          "rms_dbfs": -24.858,
          "time_seconds": 0.335
        },
        {
          "rms_dbfs": -25.865,
          "time_seconds": 0.345
        },
        {
          "rms_dbfs": -27.221,
          "time_seconds": 0.355
        },
        {
          "rms_dbfs": -27.982,
          "time_seconds": 0.365
        },
        {
          "rms_dbfs": -29.111,
          "time_seconds": 0.375
        },
        {
          "rms_dbfs": -30.39,
          "time_seconds": 0.385
        },
        {
          "rms_dbfs": -30.88,
          "time_seconds": 0.395
        },
        {
          "rms_dbfs": -32.348,
          "time_seconds": 0.405
        },
        {
          "rms_dbfs": -33.083,
          "time_seconds": 0.415
        },
        {
          "rms_dbfs": -34.303,
          "time_seconds": 0.425
        },
        {
          "rms_dbfs": -34.762,
          "time_seconds": 0.435
        },
        {
          "rms_dbfs": -36.061,
          "time_seconds": 0.445
        },
        {
          "rms_dbfs": -37.027,
          "time_seconds": 0.455
        },
        {
          "rms_dbfs": -37.992,
          "time_seconds": 0.465
        },
        {
          "rms_dbfs": -38.927,
          "time_seconds": 0.475
        },
        {
          "rms_dbfs": -39.572,
          "time_seconds": 0.485
        },
        {
          "rms_dbfs": -40.729,
          "time_seconds": 0.495
        },
        {
          "rms_dbfs": -41.6,
          "time_seconds": 0.505
        },
        {
          "rms_dbfs": -42.545,
          "time_seconds": 0.515
        },
        {
          "rms_dbfs": -43.105,
          "time_seconds": 0.525
        },
        {
          "rms_dbfs": -43.937,
          "time_seconds": 0.535
        },
        {
          "rms_dbfs": -44.809,
          "time_seconds": 0.545
        },
        {
          "rms_dbfs": -45.889,
          "time_seconds": 0.555
        },
        {
          "rms_dbfs": -46.332,
          "time_seconds": 0.565
        },
        {
          "rms_dbfs": -46.949,
          "time_seconds": 0.575
        },
        {
          "rms_dbfs": -48.025,
          "time_seconds": 0.585
        },
        {
          "rms_dbfs": -48.803,
          "time_seconds": 0.595
        },
        {
          "rms_dbfs": -49.621,
          "time_seconds": 0.605
        },
        {
          "rms_dbfs": -50.118,
          "time_seconds": 0.615
        },
        {
          "rms_dbfs": -50.828,
          "time_seconds": 0.625
        },
        {
          "rms_dbfs": -51.628,
          "time_seconds": 0.635
        },
        {
          "rms_dbfs": -52.339,
          "time_seconds": 0.645
        },
        {
          "rms_dbfs": -52.753,
          "time_seconds": 0.655
        },
        {
          "rms_dbfs": -53.732,
          "time_seconds": 0.665
        },
        {
          "rms_dbfs": -54.255,
          "time_seconds": 0.675
        },
        {
          "rms_dbfs": -54.957,
          "time_seconds": 0.685
        },
        {
          "rms_dbfs": -55.642,
          "time_seconds": 0.695
        },
        {
          "rms_dbfs": -56.102,
          "time_seconds": 0.705
        },
        {
          "rms_dbfs": -56.899,
          "time_seconds": 0.715
        },
        {
          "rms_dbfs": -57.522,
          "time_seconds": 0.725
        },
        {
          "rms_dbfs": -58.348,
          "time_seconds": 0.735
        },
        {
          "rms_dbfs": -58.644,
          "time_seconds": 0.745
        },
        {
          "rms_dbfs": -59.657,
          "time_seconds": 0.755
        },
        {
          "rms_dbfs": -60.238,
          "time_seconds": 0.765
        },
        {
          "rms_dbfs": -60.716,
          "time_seconds": 0.775
        },
        {
          "rms_dbfs": -61.669,
          "time_seconds": 0.785
        },
        {
          "rms_dbfs": -62.316,
          "time_seconds": 0.795
        },
        {
          "rms_dbfs": -63.036,
          "time_seconds": 0.805
        },
        {
          "rms_dbfs": -63.774,
          "time_seconds": 0.815
        },
        {
          "rms_dbfs": -64.521,
          "time_seconds": 0.825
        },
        {
          "rms_dbfs": -65.082,
          "time_seconds": 0.835
        },
        {
          "rms_dbfs": -66.023,
          "time_seconds": 0.845
        },
        {
          "rms_dbfs": -66.763,
          "time_seconds": 0.855
        },
        {
          "rms_dbfs": -67.442,
          "time_seconds": 0.865
        },
        {
          "rms_dbfs": -68.385,
          "time_seconds": 0.875
        },
        {
          "rms_dbfs": -69.059,
          "time_seconds": 0.885
        },
        {
          "rms_dbfs": -69.73,
          "time_seconds": 0.895
        },
        {
          "rms_dbfs": -70.555,
          "time_seconds": 0.905
        },
        {
          "rms_dbfs": -71.351,
          "time_seconds": 0.915
        },
        {
          "rms_dbfs": -72.053,
          "time_seconds": 0.925
        },
        {
          "rms_dbfs": -73.12,
          "time_seconds": 0.935
        },
        {
          "rms_dbfs": -73.794,
          "time_seconds": 0.945
        },
        {
          "rms_dbfs": -74.513,
          "time_seconds": 0.955
        },
        {
          "rms_dbfs": -75.589,
          "time_seconds": 0.965
        },
        {
          "rms_dbfs": -76.484,
          "time_seconds": 0.975
        },
        {
          "rms_dbfs": -77.226,
          "time_seconds": 0.985
        },
        {
          "rms_dbfs": -78.162,
          "time_seconds": 0.995
        },
        {
          "rms_dbfs": -78.912,
          "time_seconds": 1.005
        },
        {
          "rms_dbfs": -79.818,
          "time_seconds": 1.015
        },
        {
          "rms_dbfs": -80.393,
          "time_seconds": 1.025
        },
        {
          "rms_dbfs": -81.111,
          "time_seconds": 1.035
        },
        {
          "rms_dbfs": -82.33,
          "time_seconds": 1.045
        },
        {
          "rms_dbfs": -83.026,
          "time_seconds": 1.055
        },
        {
          "rms_dbfs": -84.026,
          "time_seconds": 1.065
        },
        {
          "rms_dbfs": -87.402,
          "time_seconds": 1.075
        },
        {
          "rms_dbfs": -88.945,
          "time_seconds": 1.085
        },
        {
          "rms_dbfs": -90.017,
          "time_seconds": 1.095
        },
        {
          "rms_dbfs": -89.565,
          "time_seconds": 1.105
        },
        {
          "rms_dbfs": -89.967,
          "time_seconds": 1.115
        },
        {
          "rms_dbfs": -90.081,
          "time_seconds": 1.125
        },
        {
          "rms_dbfs": -90.076,
          "time_seconds": 1.131417
        }
      ]
    },
    "sample_crest_factor_db": 15.495,
    "sample_peak_dbfs": -13.018,
    "true_peak_crest_factor_db": 15.513
  },
  "loudness": {
    "integrated_lufs": -22.9,
    "loudness_range_lu": null,
    "maximum_momentary_lufs": -21.4,
    "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": -13.0
  },
  "schema_version": "1.1.0",
  "sha256": "9950da5651418985d2cd4391945277894ea1768c49e523d76cc137bbba44954b",
  "spectrum": {
    "broad_band_energy_dbfs": {
      "high_5000_10000_hz": -98.367,
      "low_80_200_hz": -55.853,
      "low_mid_200_500_hz": -30.763,
      "mid_500_2000_hz": -31.881,
      "presence_2000_5000_hz": -80.812,
      "sub_20_80_hz": -93.669
    },
    "method": "Welch PSD, Hann window, 4096-sample maximum segment",
    "peak_frequency_hz": 468.75,
    "spectral_centroid_hz": 604.905,
    "speech_band_200_8000_hz_energy_percent": 99.823,
    "third_octave_band_energy_dbfs": [
      {
        "center_hz": 25.0,
        "energy_dbfs": -101.708
      },
      {
        "center_hz": 31.5,
        "energy_dbfs": -100.808
      },
      {
        "center_hz": 40.0,
        "energy_dbfs": -100.135
      },
      {
        "center_hz": 50.0,
        "energy_dbfs": -99.742
      },
      {
        "center_hz": 63.0,
        "energy_dbfs": -101.114
      },
      {
        "center_hz": 80.0,
        "energy_dbfs": -99.624
      },
      {
        "center_hz": 100.0,
        "energy_dbfs": -92.806
      },
      {
        "center_hz": 125.0,
        "energy_dbfs": -81.061
      },
      {
        "center_hz": 160.0,
        "energy_dbfs": -58.046
      },
      {
        "center_hz": 200.0,
        "energy_dbfs": -65.967
      },
      {
        "center_hz": 250.0,
        "energy_dbfs": -56.2
      },
      {
        "center_hz": 315.0,
        "energy_dbfs": -39.461
      },
      {
        "center_hz": 400.0,
        "energy_dbfs": -40.639
      },
      {
        "center_hz": 500.0,
        "energy_dbfs": -32.752
      },
      {
        "center_hz": 630.0,
        "energy_dbfs": -33.821
      },
      {
        "center_hz": 800.0,
        "energy_dbfs": -65.482
      },
      {
        "center_hz": 1000.0,
        "energy_dbfs": -60.045
      },
      {
        "center_hz": 1250.0,
        "energy_dbfs": -36.703
      },
      {
        "center_hz": 1600.0,
        "energy_dbfs": -65.82
      },
      {
        "center_hz": 2000.0,
        "energy_dbfs": -78.392
      },
      {
        "center_hz": 2500.0,
        "energy_dbfs": -87.131
      },
      {
        "center_hz": 3150.0,
        "energy_dbfs": -97.602
      },
      {
        "center_hz": 4000.0,
        "energy_dbfs": -105.275
      },
      {
        "center_hz": 5000.0,
        "energy_dbfs": -105.635
      },
      {
        "center_hz": 6300.0,
        "energy_dbfs": -104.129
      },
      {
        "center_hz": 8000.0,
        "energy_dbfs": -102.477
      },
      {
        "center_hz": 10000.0,
        "energy_dbfs": -101.412
      },
      {
        "center_hz": 12500.0,
        "energy_dbfs": -99.918
      },
      {
        "center_hz": 16000.0,
        "energy_dbfs": -98.848
      }
    ]
  },
  "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"
  }
}