{
  "$schema": "../schemas/asset.schema.json",
  "analysis_profile": "notification-sound-db-bs1770-v2",
  "analyzed_at": "2026-08-09T06:27:30Z",
  "audio": {
    "channel_count": 1,
    "channel_layout": "mono",
    "duration_seconds": 0.758617,
    "sample_rate_hz": 44100
  },
  "file": {
    "bits_per_sample": null,
    "byte_size": 13270,
    "codec_long_name": "MP3 (MPEG audio layer 3)",
    "codec_name": "mp3",
    "container_format": "mp3",
    "extension": ".mp3",
    "sample_format": "fltp"
  },
  "levels": {
    "active_segment": {
      "duration_seconds": 0.72,
      "end_seconds": 0.72,
      "leading_silence_seconds": 0.0,
      "rms_dbfs": -22.989,
      "start_seconds": 0.0,
      "threshold_dbfs": -54.197,
      "trailing_silence_seconds": 0.038617
    },
    "channels": [
      {
        "index": 0,
        "rms_dbfs": -23.216,
        "sample_peak_dbfs": -7.667
      }
    ],
    "rms_dbfs": -23.216,
    "rms_envelope": {
      "frame_duration_seconds": 0.01,
      "maximum_point_count": 400,
      "method": "non-overlapping channel-combined RMS frames",
      "points": [
        {
          "rms_dbfs": -22.736,
          "time_seconds": 0.005
        },
        {
          "rms_dbfs": -26.302,
          "time_seconds": 0.015
        },
        {
          "rms_dbfs": -23.968,
          "time_seconds": 0.025
        },
        {
          "rms_dbfs": -19.199,
          "time_seconds": 0.035
        },
        {
          "rms_dbfs": -19.14,
          "time_seconds": 0.045
        },
        {
          "rms_dbfs": -15.957,
          "time_seconds": 0.055
        },
        {
          "rms_dbfs": -21.277,
          "time_seconds": 0.065
        },
        {
          "rms_dbfs": -25.657,
          "time_seconds": 0.075
        },
        {
          "rms_dbfs": -15.54,
          "time_seconds": 0.085
        },
        {
          "rms_dbfs": -14.197,
          "time_seconds": 0.095
        },
        {
          "rms_dbfs": -14.244,
          "time_seconds": 0.105
        },
        {
          "rms_dbfs": -14.614,
          "time_seconds": 0.115
        },
        {
          "rms_dbfs": -14.667,
          "time_seconds": 0.125
        },
        {
          "rms_dbfs": -16.095,
          "time_seconds": 0.135
        },
        {
          "rms_dbfs": -17.565,
          "time_seconds": 0.145
        },
        {
          "rms_dbfs": -17.165,
          "time_seconds": 0.155
        },
        {
          "rms_dbfs": -19.447,
          "time_seconds": 0.165
        },
        {
          "rms_dbfs": -22.048,
          "time_seconds": 0.175
        },
        {
          "rms_dbfs": -23.44,
          "time_seconds": 0.185
        },
        {
          "rms_dbfs": -24.762,
          "time_seconds": 0.195
        },
        {
          "rms_dbfs": -25.692,
          "time_seconds": 0.205
        },
        {
          "rms_dbfs": -27.469,
          "time_seconds": 0.215
        },
        {
          "rms_dbfs": -27.479,
          "time_seconds": 0.225
        },
        {
          "rms_dbfs": -27.974,
          "time_seconds": 0.235
        },
        {
          "rms_dbfs": -29.288,
          "time_seconds": 0.245
        },
        {
          "rms_dbfs": -27.855,
          "time_seconds": 0.255
        },
        {
          "rms_dbfs": -29.61,
          "time_seconds": 0.265
        },
        {
          "rms_dbfs": -30.926,
          "time_seconds": 0.275
        },
        {
          "rms_dbfs": -34.208,
          "time_seconds": 0.285
        },
        {
          "rms_dbfs": -36.915,
          "time_seconds": 0.295
        },
        {
          "rms_dbfs": -31.246,
          "time_seconds": 0.305
        },
        {
          "rms_dbfs": -28.913,
          "time_seconds": 0.315
        },
        {
          "rms_dbfs": -29.42,
          "time_seconds": 0.325
        },
        {
          "rms_dbfs": -29.629,
          "time_seconds": 0.335
        },
        {
          "rms_dbfs": -30.064,
          "time_seconds": 0.345
        },
        {
          "rms_dbfs": -29.085,
          "time_seconds": 0.355
        },
        {
          "rms_dbfs": -30.105,
          "time_seconds": 0.365
        },
        {
          "rms_dbfs": -29.259,
          "time_seconds": 0.375
        },
        {
          "rms_dbfs": -30.986,
          "time_seconds": 0.385
        },
        {
          "rms_dbfs": -31.006,
          "time_seconds": 0.395
        },
        {
          "rms_dbfs": -31.274,
          "time_seconds": 0.405
        },
        {
          "rms_dbfs": -32.195,
          "time_seconds": 0.415
        },
        {
          "rms_dbfs": -31.645,
          "time_seconds": 0.425
        },
        {
          "rms_dbfs": -32.488,
          "time_seconds": 0.435
        },
        {
          "rms_dbfs": -33.835,
          "time_seconds": 0.445
        },
        {
          "rms_dbfs": -34.159,
          "time_seconds": 0.455
        },
        {
          "rms_dbfs": -33.836,
          "time_seconds": 0.465
        },
        {
          "rms_dbfs": -32.144,
          "time_seconds": 0.475
        },
        {
          "rms_dbfs": -33.38,
          "time_seconds": 0.485
        },
        {
          "rms_dbfs": -32.168,
          "time_seconds": 0.495
        },
        {
          "rms_dbfs": -33.832,
          "time_seconds": 0.505
        },
        {
          "rms_dbfs": -33.508,
          "time_seconds": 0.515
        },
        {
          "rms_dbfs": -33.352,
          "time_seconds": 0.525
        },
        {
          "rms_dbfs": -33.193,
          "time_seconds": 0.535
        },
        {
          "rms_dbfs": -37.203,
          "time_seconds": 0.545
        },
        {
          "rms_dbfs": -39.343,
          "time_seconds": 0.555
        },
        {
          "rms_dbfs": -41.817,
          "time_seconds": 0.565
        },
        {
          "rms_dbfs": -42.892,
          "time_seconds": 0.575
        },
        {
          "rms_dbfs": -45.686,
          "time_seconds": 0.585
        },
        {
          "rms_dbfs": -47.604,
          "time_seconds": 0.595
        },
        {
          "rms_dbfs": -49.358,
          "time_seconds": 0.605
        },
        {
          "rms_dbfs": -50.771,
          "time_seconds": 0.615
        },
        {
          "rms_dbfs": -50.137,
          "time_seconds": 0.625
        },
        {
          "rms_dbfs": -53.066,
          "time_seconds": 0.635
        },
        {
          "rms_dbfs": -53.327,
          "time_seconds": 0.645
        },
        {
          "rms_dbfs": -53.188,
          "time_seconds": 0.655
        },
        {
          "rms_dbfs": -52.141,
          "time_seconds": 0.665
        },
        {
          "rms_dbfs": -55.234,
          "time_seconds": 0.675
        },
        {
          "rms_dbfs": -53.369,
          "time_seconds": 0.685
        },
        {
          "rms_dbfs": -55.095,
          "time_seconds": 0.695
        },
        {
          "rms_dbfs": -52.683,
          "time_seconds": 0.705
        },
        {
          "rms_dbfs": -53.861,
          "time_seconds": 0.715
        },
        {
          "rms_dbfs": -55.792,
          "time_seconds": 0.725
        },
        {
          "rms_dbfs": -57.255,
          "time_seconds": 0.735
        },
        {
          "rms_dbfs": -95.573,
          "time_seconds": 0.745
        },
        {
          "rms_dbfs": -122.189,
          "time_seconds": 0.754308
        }
      ]
    },
    "sample_crest_factor_db": 15.549,
    "sample_peak_dbfs": -7.667,
    "true_peak_crest_factor_db": 15.516
  },
  "loudness": {
    "integrated_lufs": -25.1,
    "loudness_range_lu": null,
    "maximum_momentary_lufs": -21.1,
    "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": -7.7
  },
  "schema_version": "1.1.0",
  "sha256": "6a689cfa7dd49909b8f6dc8a75b33adcc3318a5ac9a8c4ba5abf0b87f9d89ebc",
  "spectrum": {
    "broad_band_energy_dbfs": {
      "high_5000_10000_hz": -37.429,
      "low_80_200_hz": -32.826,
      "low_mid_200_500_hz": -24.111,
      "mid_500_2000_hz": -34.712,
      "presence_2000_5000_hz": -47.249,
      "sub_20_80_hz": -68.987
    },
    "method": "Welch PSD, Hann window, 4096-sample maximum segment",
    "peak_frequency_hz": 247.632,
    "spectral_centroid_hz": 688.972,
    "speech_band_200_8000_hz_energy_percent": 85.134,
    "third_octave_band_energy_dbfs": [
      {
        "center_hz": 25.0,
        "energy_dbfs": -83.696
      },
      {
        "center_hz": 31.5,
        "energy_dbfs": -80.98
      },
      {
        "center_hz": 40.0,
        "energy_dbfs": -80.437
      },
      {
        "center_hz": 50.0,
        "energy_dbfs": -79.927
      },
      {
        "center_hz": 63.0,
        "energy_dbfs": -71.935
      },
      {
        "center_hz": 80.0,
        "energy_dbfs": -70.58
      },
      {
        "center_hz": 100.0,
        "energy_dbfs": -56.445
      },
      {
        "center_hz": 125.0,
        "energy_dbfs": -46.445
      },
      {
        "center_hz": 160.0,
        "energy_dbfs": -36.909
      },
      {
        "center_hz": 200.0,
        "energy_dbfs": -32.926
      },
      {
        "center_hz": 250.0,
        "energy_dbfs": -26.124
      },
      {
        "center_hz": 315.0,
        "energy_dbfs": -38.325
      },
      {
        "center_hz": 400.0,
        "energy_dbfs": -34.582
      },
      {
        "center_hz": 500.0,
        "energy_dbfs": -34.6
      },
      {
        "center_hz": 630.0,
        "energy_dbfs": -43.893
      },
      {
        "center_hz": 800.0,
        "energy_dbfs": -39.335
      },
      {
        "center_hz": 1000.0,
        "energy_dbfs": -43.265
      },
      {
        "center_hz": 1250.0,
        "energy_dbfs": -48.42
      },
      {
        "center_hz": 1600.0,
        "energy_dbfs": -52.358
      },
      {
        "center_hz": 2000.0,
        "energy_dbfs": -57.291
      },
      {
        "center_hz": 2500.0,
        "energy_dbfs": -57.9
      },
      {
        "center_hz": 3150.0,
        "energy_dbfs": -57.989
      },
      {
        "center_hz": 4000.0,
        "energy_dbfs": -52.516
      },
      {
        "center_hz": 5000.0,
        "energy_dbfs": -45.362
      },
      {
        "center_hz": 6300.0,
        "energy_dbfs": -41.852
      },
      {
        "center_hz": 8000.0,
        "energy_dbfs": -42.56
      },
      {
        "center_hz": 10000.0,
        "energy_dbfs": -41.784
      },
      {
        "center_hz": 12500.0,
        "energy_dbfs": -45.383
      },
      {
        "center_hz": 16000.0,
        "energy_dbfs": -53.356
      }
    ]
  },
  "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"
  }
}