{
  "$schema": "../schemas/asset.schema.json",
  "analysis_profile": "notification-sound-db-bs1770-v2",
  "analyzed_at": "2026-08-09T06:27:29Z",
  "audio": {
    "channel_count": 2,
    "channel_layout": "stereo",
    "duration_seconds": 0.522449,
    "sample_rate_hz": 44100
  },
  "file": {
    "bits_per_sample": null,
    "byte_size": 16093,
    "codec_long_name": "MP3 (MPEG audio layer 3)",
    "codec_name": "mp3",
    "container_format": "mp3",
    "extension": ".mp3",
    "sample_format": "fltp"
  },
  "levels": {
    "active_segment": {
      "duration_seconds": 0.41,
      "end_seconds": 0.42,
      "leading_silence_seconds": 0.01,
      "rms_dbfs": -20.76,
      "start_seconds": 0.01,
      "threshold_dbfs": -53.386,
      "trailing_silence_seconds": 0.102449
    },
    "channels": [
      {
        "index": 0,
        "rms_dbfs": -21.812,
        "sample_peak_dbfs": -0.357
      },
      {
        "index": 1,
        "rms_dbfs": -21.812,
        "sample_peak_dbfs": -0.357
      }
    ],
    "rms_dbfs": -21.812,
    "rms_envelope": {
      "frame_duration_seconds": 0.01,
      "maximum_point_count": 400,
      "method": "non-overlapping channel-combined RMS frames",
      "points": [
        {
          "rms_dbfs": -56.616,
          "time_seconds": 0.005
        },
        {
          "rms_dbfs": -44.034,
          "time_seconds": 0.015
        },
        {
          "rms_dbfs": -18.564,
          "time_seconds": 0.025
        },
        {
          "rms_dbfs": -18.364,
          "time_seconds": 0.035
        },
        {
          "rms_dbfs": -20.466,
          "time_seconds": 0.045
        },
        {
          "rms_dbfs": -20.27,
          "time_seconds": 0.055
        },
        {
          "rms_dbfs": -13.572,
          "time_seconds": 0.065
        },
        {
          "rms_dbfs": -13.386,
          "time_seconds": 0.075
        },
        {
          "rms_dbfs": -14.0,
          "time_seconds": 0.085
        },
        {
          "rms_dbfs": -16.027,
          "time_seconds": 0.095
        },
        {
          "rms_dbfs": -17.732,
          "time_seconds": 0.105
        },
        {
          "rms_dbfs": -18.925,
          "time_seconds": 0.115
        },
        {
          "rms_dbfs": -19.118,
          "time_seconds": 0.125
        },
        {
          "rms_dbfs": -20.29,
          "time_seconds": 0.135
        },
        {
          "rms_dbfs": -20.384,
          "time_seconds": 0.145
        },
        {
          "rms_dbfs": -18.3,
          "time_seconds": 0.155
        },
        {
          "rms_dbfs": -17.006,
          "time_seconds": 0.165
        },
        {
          "rms_dbfs": -18.601,
          "time_seconds": 0.175
        },
        {
          "rms_dbfs": -21.703,
          "time_seconds": 0.185
        },
        {
          "rms_dbfs": -21.375,
          "time_seconds": 0.195
        },
        {
          "rms_dbfs": -22.429,
          "time_seconds": 0.205
        },
        {
          "rms_dbfs": -23.738,
          "time_seconds": 0.215
        },
        {
          "rms_dbfs": -25.663,
          "time_seconds": 0.225
        },
        {
          "rms_dbfs": -27.263,
          "time_seconds": 0.235
        },
        {
          "rms_dbfs": -27.829,
          "time_seconds": 0.245
        },
        {
          "rms_dbfs": -29.767,
          "time_seconds": 0.255
        },
        {
          "rms_dbfs": -31.404,
          "time_seconds": 0.265
        },
        {
          "rms_dbfs": -32.948,
          "time_seconds": 0.275
        },
        {
          "rms_dbfs": -34.644,
          "time_seconds": 0.285
        },
        {
          "rms_dbfs": -36.345,
          "time_seconds": 0.295
        },
        {
          "rms_dbfs": -37.852,
          "time_seconds": 0.305
        },
        {
          "rms_dbfs": -39.177,
          "time_seconds": 0.315
        },
        {
          "rms_dbfs": -40.655,
          "time_seconds": 0.325
        },
        {
          "rms_dbfs": -41.086,
          "time_seconds": 0.335
        },
        {
          "rms_dbfs": -42.01,
          "time_seconds": 0.345
        },
        {
          "rms_dbfs": -43.01,
          "time_seconds": 0.355
        },
        {
          "rms_dbfs": -44.34,
          "time_seconds": 0.365
        },
        {
          "rms_dbfs": -45.582,
          "time_seconds": 0.375
        },
        {
          "rms_dbfs": -47.376,
          "time_seconds": 0.385
        },
        {
          "rms_dbfs": -49.126,
          "time_seconds": 0.395
        },
        {
          "rms_dbfs": -51.019,
          "time_seconds": 0.405
        },
        {
          "rms_dbfs": -52.096,
          "time_seconds": 0.415
        },
        {
          "rms_dbfs": -53.521,
          "time_seconds": 0.425
        },
        {
          "rms_dbfs": -54.701,
          "time_seconds": 0.435
        },
        {
          "rms_dbfs": -56.38,
          "time_seconds": 0.445
        },
        {
          "rms_dbfs": -56.212,
          "time_seconds": 0.455
        },
        {
          "rms_dbfs": -60.514,
          "time_seconds": 0.465
        },
        {
          "rms_dbfs": -69.515,
          "time_seconds": 0.475
        },
        {
          "rms_dbfs": -75.074,
          "time_seconds": 0.485
        },
        {
          "rms_dbfs": -80.501,
          "time_seconds": 0.495
        },
        {
          "rms_dbfs": -85.935,
          "time_seconds": 0.505
        },
        {
          "rms_dbfs": -91.408,
          "time_seconds": 0.515
        },
        {
          "rms_dbfs": -95.067,
          "time_seconds": 0.521224
        }
      ]
    },
    "sample_crest_factor_db": 21.455,
    "sample_peak_dbfs": -0.357,
    "true_peak_crest_factor_db": 21.512
  },
  "loudness": {
    "integrated_lufs": -18.4,
    "loudness_range_lu": null,
    "maximum_momentary_lufs": -15.2,
    "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": -0.3
  },
  "schema_version": "1.1.0",
  "sha256": "aae70ceae01784916b3ebd8753cf8edc33387f6a9fc4123894f472d62697b2a4",
  "spectrum": {
    "broad_band_energy_dbfs": {
      "high_5000_10000_hz": -39.316,
      "low_80_200_hz": -65.988,
      "low_mid_200_500_hz": -64.255,
      "mid_500_2000_hz": -23.561,
      "presence_2000_5000_hz": -27.011,
      "sub_20_80_hz": -60.816
    },
    "method": "Welch PSD, Hann window, 4096-sample maximum segment",
    "peak_frequency_hz": 1981.055,
    "spectral_centroid_hz": 2436.998,
    "speech_band_200_8000_hz_energy_percent": 99.246,
    "third_octave_band_energy_dbfs": [
      {
        "center_hz": 25.0,
        "energy_dbfs": -65.861
      },
      {
        "center_hz": 31.5,
        "energy_dbfs": -65.301
      },
      {
        "center_hz": 40.0,
        "energy_dbfs": -71.362
      },
      {
        "center_hz": 50.0,
        "energy_dbfs": -75.814
      },
      {
        "center_hz": 63.0,
        "energy_dbfs": -75.086
      },
      {
        "center_hz": 80.0,
        "energy_dbfs": -79.28
      },
      {
        "center_hz": 100.0,
        "energy_dbfs": -79.074
      },
      {
        "center_hz": 125.0,
        "energy_dbfs": -70.607
      },
      {
        "center_hz": 160.0,
        "energy_dbfs": -74.908
      },
      {
        "center_hz": 200.0,
        "energy_dbfs": -77.3
      },
      {
        "center_hz": 250.0,
        "energy_dbfs": -71.752
      },
      {
        "center_hz": 315.0,
        "energy_dbfs": -71.711
      },
      {
        "center_hz": 400.0,
        "energy_dbfs": -70.022
      },
      {
        "center_hz": 500.0,
        "energy_dbfs": -67.663
      },
      {
        "center_hz": 630.0,
        "energy_dbfs": -66.33
      },
      {
        "center_hz": 800.0,
        "energy_dbfs": -61.972
      },
      {
        "center_hz": 1000.0,
        "energy_dbfs": -34.8
      },
      {
        "center_hz": 1250.0,
        "energy_dbfs": -31.204
      },
      {
        "center_hz": 1600.0,
        "energy_dbfs": -48.836
      },
      {
        "center_hz": 2000.0,
        "energy_dbfs": -24.279
      },
      {
        "center_hz": 2500.0,
        "energy_dbfs": -49.578
      },
      {
        "center_hz": 3150.0,
        "energy_dbfs": -30.321
      },
      {
        "center_hz": 4000.0,
        "energy_dbfs": -32.678
      },
      {
        "center_hz": 5000.0,
        "energy_dbfs": -37.21
      },
      {
        "center_hz": 6300.0,
        "energy_dbfs": -41.721
      },
      {
        "center_hz": 8000.0,
        "energy_dbfs": -46.997
      },
      {
        "center_hz": 10000.0,
        "energy_dbfs": -51.227
      },
      {
        "center_hz": 12500.0,
        "energy_dbfs": -47.145
      },
      {
        "center_hz": 16000.0,
        "energy_dbfs": -49.846
      }
    ]
  },
  "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"
  }
}
