{
  "$schema": "../schemas/asset.schema.json",
  "analysis_profile": "notification-sound-db-bs1770-v2",
  "analyzed_at": "2026-08-09T06:27:17Z",
  "audio": {
    "channel_count": 2,
    "channel_layout": null,
    "duration_seconds": 0.332698,
    "sample_rate_hz": 44100
  },
  "file": {
    "bits_per_sample": 24,
    "byte_size": 89914,
    "codec_long_name": "PCM signed 24-bit big-endian",
    "codec_name": "pcm_s24be",
    "container_format": "aiff",
    "extension": ".aif",
    "sample_format": "s32"
  },
  "levels": {
    "active_segment": {
      "duration_seconds": 0.23,
      "end_seconds": 0.23,
      "leading_silence_seconds": 0.0,
      "rms_dbfs": -49.02,
      "start_seconds": 0.0,
      "threshold_dbfs": -60.0,
      "trailing_silence_seconds": 0.102698
    },
    "channels": [
      {
        "index": 0,
        "rms_dbfs": -50.607,
        "sample_peak_dbfs": -21.557
      },
      {
        "index": 1,
        "rms_dbfs": -50.607,
        "sample_peak_dbfs": -21.556
      }
    ],
    "rms_dbfs": -50.607,
    "rms_envelope": {
      "frame_duration_seconds": 0.01,
      "maximum_point_count": 400,
      "method": "non-overlapping channel-combined RMS frames",
      "points": [
        {
          "rms_dbfs": -40.173,
          "time_seconds": 0.005
        },
        {
          "rms_dbfs": -55.785,
          "time_seconds": 0.015
        },
        {
          "rms_dbfs": -71.037,
          "time_seconds": 0.025
        },
        {
          "rms_dbfs": -73.407,
          "time_seconds": 0.035
        },
        {
          "rms_dbfs": -75.079,
          "time_seconds": 0.045
        },
        {
          "rms_dbfs": -74.839,
          "time_seconds": 0.055
        },
        {
          "rms_dbfs": -76.525,
          "time_seconds": 0.065
        },
        {
          "rms_dbfs": -78.61,
          "time_seconds": 0.075
        },
        {
          "rms_dbfs": -79.276,
          "time_seconds": 0.085
        },
        {
          "rms_dbfs": -77.343,
          "time_seconds": 0.095
        },
        {
          "rms_dbfs": -77.646,
          "time_seconds": 0.105
        },
        {
          "rms_dbfs": -79.601,
          "time_seconds": 0.115
        },
        {
          "rms_dbfs": -79.922,
          "time_seconds": 0.125
        },
        {
          "rms_dbfs": -79.689,
          "time_seconds": 0.135
        },
        {
          "rms_dbfs": -80.149,
          "time_seconds": 0.145
        },
        {
          "rms_dbfs": -78.917,
          "time_seconds": 0.155
        },
        {
          "rms_dbfs": -78.791,
          "time_seconds": 0.165
        },
        {
          "rms_dbfs": -80.077,
          "time_seconds": 0.175
        },
        {
          "rms_dbfs": -78.647,
          "time_seconds": 0.185
        },
        {
          "rms_dbfs": -55.438,
          "time_seconds": 0.195
        },
        {
          "rms_dbfs": -67.237,
          "time_seconds": 0.205
        },
        {
          "rms_dbfs": -63.468,
          "time_seconds": 0.215
        },
        {
          "rms_dbfs": -37.313,
          "time_seconds": 0.225
        },
        {
          "rms_dbfs": -60.807,
          "time_seconds": 0.235
        },
        {
          "rms_dbfs": -68.587,
          "time_seconds": 0.245
        },
        {
          "rms_dbfs": -73.941,
          "time_seconds": 0.255
        },
        {
          "rms_dbfs": -78.979,
          "time_seconds": 0.265
        },
        {
          "rms_dbfs": -82.442,
          "time_seconds": 0.275
        },
        {
          "rms_dbfs": -84.702,
          "time_seconds": 0.285
        },
        {
          "rms_dbfs": -85.337,
          "time_seconds": 0.295
        },
        {
          "rms_dbfs": -85.187,
          "time_seconds": 0.305
        },
        {
          "rms_dbfs": -85.848,
          "time_seconds": 0.315
        },
        {
          "rms_dbfs": -87.719,
          "time_seconds": 0.325
        },
        {
          "rms_dbfs": -117.81,
          "time_seconds": 0.331349
        }
      ]
    },
    "sample_crest_factor_db": 29.051,
    "sample_peak_dbfs": -21.556,
    "true_peak_crest_factor_db": 30.307
  },
  "loudness": {
    "integrated_lufs": -46.4,
    "loudness_range_lu": null,
    "maximum_momentary_lufs": -45.2,
    "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": -20.3
  },
  "schema_version": "1.1.0",
  "sha256": "6bfa241695cde8355fdbd1270c3c732e1ba6fd0c73b1f2f61685c2482d90673c",
  "spectrum": {
    "broad_band_energy_dbfs": {
      "high_5000_10000_hz": -56.778,
      "low_80_200_hz": -81.209,
      "low_mid_200_500_hz": -73.76,
      "mid_500_2000_hz": -61.853,
      "presence_2000_5000_hz": -54.201,
      "sub_20_80_hz": -89.151
    },
    "method": "Welch PSD, Hann window, 4096-sample maximum segment",
    "peak_frequency_hz": 4651.172,
    "spectral_centroid_hz": 5341.081,
    "speech_band_200_8000_hz_energy_percent": 88.43,
    "third_octave_band_energy_dbfs": [
      {
        "center_hz": 25.0,
        "energy_dbfs": -102.832
      },
      {
        "center_hz": 31.5,
        "energy_dbfs": -99.324
      },
      {
        "center_hz": 40.0,
        "energy_dbfs": -98.6
      },
      {
        "center_hz": 50.0,
        "energy_dbfs": -95.796
      },
      {
        "center_hz": 63.0,
        "energy_dbfs": -93.342
      },
      {
        "center_hz": 80.0,
        "energy_dbfs": -92.355
      },
      {
        "center_hz": 100.0,
        "energy_dbfs": -89.262
      },
      {
        "center_hz": 125.0,
        "energy_dbfs": -88.206
      },
      {
        "center_hz": 160.0,
        "energy_dbfs": -89.821
      },
      {
        "center_hz": 200.0,
        "energy_dbfs": -86.483
      },
      {
        "center_hz": 250.0,
        "energy_dbfs": -83.865
      },
      {
        "center_hz": 315.0,
        "energy_dbfs": -79.205
      },
      {
        "center_hz": 400.0,
        "energy_dbfs": -79.063
      },
      {
        "center_hz": 500.0,
        "energy_dbfs": -81.27
      },
      {
        "center_hz": 630.0,
        "energy_dbfs": -82.089
      },
      {
        "center_hz": 800.0,
        "energy_dbfs": -81.636
      },
      {
        "center_hz": 1000.0,
        "energy_dbfs": -77.245
      },
      {
        "center_hz": 1250.0,
        "energy_dbfs": -68.158
      },
      {
        "center_hz": 1600.0,
        "energy_dbfs": -64.503
      },
      {
        "center_hz": 2000.0,
        "energy_dbfs": -68.943
      },
      {
        "center_hz": 2500.0,
        "energy_dbfs": -67.437
      },
      {
        "center_hz": 3150.0,
        "energy_dbfs": -68.988
      },
      {
        "center_hz": 4000.0,
        "energy_dbfs": -56.716
      },
      {
        "center_hz": 5000.0,
        "energy_dbfs": -57.706
      },
      {
        "center_hz": 6300.0,
        "energy_dbfs": -58.569
      },
      {
        "center_hz": 8000.0,
        "energy_dbfs": -65.945
      },
      {
        "center_hz": 10000.0,
        "energy_dbfs": -67.954
      },
      {
        "center_hz": 12500.0,
        "energy_dbfs": -62.864
      },
      {
        "center_hz": 16000.0,
        "energy_dbfs": -73.163
      }
    ]
  },
  "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"
  }
}