{
  "$schema": "../schemas/asset.schema.json",
  "analysis_profile": "notification-sound-db-bs1770-v2",
  "analyzed_at": "2026-08-09T06:27:26Z",
  "audio": {
    "channel_count": 2,
    "channel_layout": null,
    "duration_seconds": 0.104535,
    "sample_rate_hz": 44100
  },
  "file": {
    "bits_per_sample": 24,
    "byte_size": 29230,
    "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": 0.08,
      "end_seconds": 0.08,
      "leading_silence_seconds": 0.0,
      "rms_dbfs": -29.641,
      "start_seconds": 0.0,
      "threshold_dbfs": -60.0,
      "trailing_silence_seconds": 0.024535
    },
    "channels": [
      {
        "index": 0,
        "rms_dbfs": -30.62,
        "sample_peak_dbfs": -12.276
      },
      {
        "index": 1,
        "rms_dbfs": -30.994,
        "sample_peak_dbfs": -12.64
      }
    ],
    "rms_dbfs": -30.803,
    "rms_envelope": {
      "frame_duration_seconds": 0.01,
      "maximum_point_count": 400,
      "method": "non-overlapping channel-combined RMS frames",
      "points": [
        {
          "rms_dbfs": -27.845,
          "time_seconds": 0.005
        },
        {
          "rms_dbfs": -25.501,
          "time_seconds": 0.015
        },
        {
          "rms_dbfs": -28.173,
          "time_seconds": 0.025
        },
        {
          "rms_dbfs": -29.75,
          "time_seconds": 0.035
        },
        {
          "rms_dbfs": -31.195,
          "time_seconds": 0.045
        },
        {
          "rms_dbfs": -32.681,
          "time_seconds": 0.055
        },
        {
          "rms_dbfs": -34.618,
          "time_seconds": 0.065
        },
        {
          "rms_dbfs": -55.88,
          "time_seconds": 0.075
        },
        {
          "rms_dbfs": -76.229,
          "time_seconds": 0.085
        },
        {
          "rms_dbfs": -78.572,
          "time_seconds": 0.095
        },
        {
          "rms_dbfs": -118.42,
          "time_seconds": 0.102268
        }
      ]
    },
    "sample_crest_factor_db": 18.527,
    "sample_peak_dbfs": -12.276,
    "true_peak_crest_factor_db": 18.503
  },
  "loudness": {
    "integrated_lufs": -33.9,
    "loudness_range_lu": null,
    "maximum_momentary_lufs": -33.9,
    "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": -12.3
  },
  "schema_version": "1.1.0",
  "sha256": "a2a40bac68a9f22cef6b7f46e69e2f577e11b56e74b8cec708dc482eefeb7d78",
  "spectrum": {
    "broad_band_energy_dbfs": {
      "high_5000_10000_hz": -71.922,
      "low_80_200_hz": -51.49,
      "low_mid_200_500_hz": -31.37,
      "mid_500_2000_hz": -42.036,
      "presence_2000_5000_hz": -57.553,
      "sub_20_80_hz": -56.829
    },
    "method": "Welch PSD, Hann window, 4096-sample maximum segment",
    "peak_frequency_hz": 290.698,
    "spectral_centroid_hz": 386.868,
    "speech_band_200_8000_hz_energy_percent": 98.542,
    "third_octave_band_energy_dbfs": [
      {
        "center_hz": 25.0,
        "energy_dbfs": -76.354
      },
      {
        "center_hz": 31.5,
        "energy_dbfs": -75.013
      },
      {
        "center_hz": 40.0,
        "energy_dbfs": -70.717
      },
      {
        "center_hz": 50.0,
        "energy_dbfs": -67.518
      },
      {
        "center_hz": 63.0,
        "energy_dbfs": -60.386
      },
      {
        "center_hz": 80.0,
        "energy_dbfs": -56.037
      },
      {
        "center_hz": 100.0,
        "energy_dbfs": -55.86
      },
      {
        "center_hz": 125.0,
        "energy_dbfs": -66.686
      },
      {
        "center_hz": 160.0,
        "energy_dbfs": -71.963
      },
      {
        "center_hz": 200.0,
        "energy_dbfs": -66.536
      },
      {
        "center_hz": 250.0,
        "energy_dbfs": -46.275
      },
      {
        "center_hz": 315.0,
        "energy_dbfs": -35.832
      },
      {
        "center_hz": 400.0,
        "energy_dbfs": -35.204
      },
      {
        "center_hz": 500.0,
        "energy_dbfs": -62.793
      },
      {
        "center_hz": 630.0,
        "energy_dbfs": -46.29
      },
      {
        "center_hz": 800.0,
        "energy_dbfs": -48.504
      },
      {
        "center_hz": 1000.0,
        "energy_dbfs": -68.876
      },
      {
        "center_hz": 1250.0,
        "energy_dbfs": -52.146
      },
      {
        "center_hz": 1600.0,
        "energy_dbfs": -48.619
      },
      {
        "center_hz": 2000.0,
        "energy_dbfs": -54.234
      },
      {
        "center_hz": 2500.0,
        "energy_dbfs": -61.157
      },
      {
        "center_hz": 3150.0,
        "energy_dbfs": -62.589
      },
      {
        "center_hz": 4000.0,
        "energy_dbfs": -68.511
      },
      {
        "center_hz": 5000.0,
        "energy_dbfs": -67.513
      },
      {
        "center_hz": 6300.0,
        "energy_dbfs": -77.181
      },
      {
        "center_hz": 8000.0,
        "energy_dbfs": -81.134
      },
      {
        "center_hz": 10000.0,
        "energy_dbfs": -84.092
      },
      {
        "center_hz": 12500.0,
        "energy_dbfs": -86.443
      },
      {
        "center_hz": 16000.0,
        "energy_dbfs": -89.15
      }
    ]
  },
  "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"
  }
}