{
  "$schema": "../schemas/asset.schema.json",
  "analysis_profile": "notification-sound-db-bs1770-v2",
  "analyzed_at": "2026-08-09T06:27:23Z",
  "audio": {
    "channel_count": 2,
    "channel_layout": null,
    "duration_seconds": 0.20356,
    "sample_rate_hz": 44100
  },
  "file": {
    "bits_per_sample": 24,
    "byte_size": 55568,
    "codec_long_name": "PCM signed 24-bit big-endian",
    "codec_name": "pcm_s24be",
    "container_format": "aiff",
    "extension": ".aiff",
    "sample_format": "s32"
  },
  "levels": {
    "active_segment": {
      "duration_seconds": 0.19,
      "end_seconds": 0.19,
      "leading_silence_seconds": 0.0,
      "rms_dbfs": -22.893,
      "start_seconds": 0.0,
      "threshold_dbfs": -56.357,
      "trailing_silence_seconds": 0.01356
    },
    "channels": [
      {
        "index": 0,
        "rms_dbfs": -24.779,
        "sample_peak_dbfs": -10.443
      },
      {
        "index": 1,
        "rms_dbfs": -22.033,
        "sample_peak_dbfs": -7.584
      }
    ],
    "rms_dbfs": -23.193,
    "rms_envelope": {
      "frame_duration_seconds": 0.01,
      "maximum_point_count": 400,
      "method": "non-overlapping channel-combined RMS frames",
      "points": [
        {
          "rms_dbfs": -39.892,
          "time_seconds": 0.005
        },
        {
          "rms_dbfs": -21.463,
          "time_seconds": 0.015
        },
        {
          "rms_dbfs": -22.414,
          "time_seconds": 0.025
        },
        {
          "rms_dbfs": -23.611,
          "time_seconds": 0.035
        },
        {
          "rms_dbfs": -16.357,
          "time_seconds": 0.045
        },
        {
          "rms_dbfs": -26.154,
          "time_seconds": 0.055
        },
        {
          "rms_dbfs": -20.646,
          "time_seconds": 0.065
        },
        {
          "rms_dbfs": -28.149,
          "time_seconds": 0.075
        },
        {
          "rms_dbfs": -16.712,
          "time_seconds": 0.085
        },
        {
          "rms_dbfs": -25.398,
          "time_seconds": 0.095
        },
        {
          "rms_dbfs": -23.262,
          "time_seconds": 0.105
        },
        {
          "rms_dbfs": -31.833,
          "time_seconds": 0.115
        },
        {
          "rms_dbfs": -20.283,
          "time_seconds": 0.125
        },
        {
          "rms_dbfs": -30.006,
          "time_seconds": 0.135
        },
        {
          "rms_dbfs": -27.399,
          "time_seconds": 0.145
        },
        {
          "rms_dbfs": -37.761,
          "time_seconds": 0.155
        },
        {
          "rms_dbfs": -26.472,
          "time_seconds": 0.165
        },
        {
          "rms_dbfs": -38.389,
          "time_seconds": 0.175
        },
        {
          "rms_dbfs": -36.601,
          "time_seconds": 0.185
        },
        {
          "rms_dbfs": -64.776,
          "time_seconds": 0.195
        },
        {
          "rms_dbfs": -92.874,
          "time_seconds": 0.20178
        }
      ]
    },
    "sample_crest_factor_db": 15.609,
    "sample_peak_dbfs": -7.584,
    "true_peak_crest_factor_db": 15.693
  },
  "loudness": {
    "integrated_lufs": -23.4,
    "loudness_range_lu": null,
    "maximum_momentary_lufs": -21.2,
    "maximum_short_term_lufs": null,
    "momentary_window_seconds": 0.4,
    "notes": [
      "silent_tail_added_for_meter_settling",
      "source_shorter_than_momentary_window",
      "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": -7.5
  },
  "schema_version": "1.1.0",
  "sha256": "22f47414993bb293f9d7d77a7cf5158f333d364cc864b9571448e35871d33b12",
  "spectrum": {
    "broad_band_energy_dbfs": {
      "high_5000_10000_hz": -73.195,
      "low_80_200_hz": -94.803,
      "low_mid_200_500_hz": -86.584,
      "mid_500_2000_hz": -21.922,
      "presence_2000_5000_hz": -41.291,
      "sub_20_80_hz": -97.341
    },
    "method": "Welch PSD, Hann window, 4096-sample maximum segment",
    "peak_frequency_hz": 1808.789,
    "spectral_centroid_hz": 1783.539,
    "speech_band_200_8000_hz_energy_percent": 100.0,
    "third_octave_band_energy_dbfs": [
      {
        "center_hz": 25.0,
        "energy_dbfs": -110.693
      },
      {
        "center_hz": 31.5,
        "energy_dbfs": -110.633
      },
      {
        "center_hz": 40.0,
        "energy_dbfs": -105.064
      },
      {
        "center_hz": 50.0,
        "energy_dbfs": -100.2
      },
      {
        "center_hz": 63.0,
        "energy_dbfs": -105.393
      },
      {
        "center_hz": 80.0,
        "energy_dbfs": -106.842
      },
      {
        "center_hz": 100.0,
        "energy_dbfs": -105.706
      },
      {
        "center_hz": 125.0,
        "energy_dbfs": -101.043
      },
      {
        "center_hz": 160.0,
        "energy_dbfs": -102.095
      },
      {
        "center_hz": 200.0,
        "energy_dbfs": -101.153
      },
      {
        "center_hz": 250.0,
        "energy_dbfs": -95.331
      },
      {
        "center_hz": 315.0,
        "energy_dbfs": -95.166
      },
      {
        "center_hz": 400.0,
        "energy_dbfs": -91.818
      },
      {
        "center_hz": 500.0,
        "energy_dbfs": -88.253
      },
      {
        "center_hz": 630.0,
        "energy_dbfs": -84.432
      },
      {
        "center_hz": 800.0,
        "energy_dbfs": -78.296
      },
      {
        "center_hz": 1000.0,
        "energy_dbfs": -68.67
      },
      {
        "center_hz": 1250.0,
        "energy_dbfs": -39.197
      },
      {
        "center_hz": 1600.0,
        "energy_dbfs": -29.405
      },
      {
        "center_hz": 2000.0,
        "energy_dbfs": -23.08
      },
      {
        "center_hz": 2500.0,
        "energy_dbfs": -46.551
      },
      {
        "center_hz": 3150.0,
        "energy_dbfs": -52.982
      },
      {
        "center_hz": 4000.0,
        "energy_dbfs": -70.366
      },
      {
        "center_hz": 5000.0,
        "energy_dbfs": -73.471
      },
      {
        "center_hz": 6300.0,
        "energy_dbfs": -77.889
      },
      {
        "center_hz": 8000.0,
        "energy_dbfs": -79.477
      },
      {
        "center_hz": 10000.0,
        "energy_dbfs": -81.724
      },
      {
        "center_hz": 12500.0,
        "energy_dbfs": -83.097
      },
      {
        "center_hz": 16000.0,
        "energy_dbfs": -84.859
      }
    ]
  },
  "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"
  }
}
