{
  "$schema": "../schemas/asset.schema.json",
  "analysis_profile": "notification-sound-db-bs1770-v2",
  "analyzed_at": "2026-08-09T06:27:16Z",
  "audio": {
    "channel_count": 2,
    "channel_layout": null,
    "duration_seconds": 0.260794,
    "sample_rate_hz": 44100
  },
  "file": {
    "bits_per_sample": 24,
    "byte_size": 70784,
    "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": 0.19,
      "end_seconds": 0.19,
      "leading_silence_seconds": 0.0,
      "rms_dbfs": -40.029,
      "start_seconds": 0.0,
      "threshold_dbfs": -60.0,
      "trailing_silence_seconds": 0.070794
    },
    "channels": [
      {
        "index": 0,
        "rms_dbfs": -41.399,
        "sample_peak_dbfs": -22.88
      },
      {
        "index": 1,
        "rms_dbfs": -41.399,
        "sample_peak_dbfs": -22.88
      }
    ],
    "rms_dbfs": -41.399,
    "rms_envelope": {
      "frame_duration_seconds": 0.01,
      "maximum_point_count": 400,
      "method": "non-overlapping channel-combined RMS frames",
      "points": [
        {
          "rms_dbfs": -54.607,
          "time_seconds": 0.005
        },
        {
          "rms_dbfs": -50.239,
          "time_seconds": 0.015
        },
        {
          "rms_dbfs": -47.921,
          "time_seconds": 0.025
        },
        {
          "rms_dbfs": -33.138,
          "time_seconds": 0.035
        },
        {
          "rms_dbfs": -32.259,
          "time_seconds": 0.045
        },
        {
          "rms_dbfs": -36.277,
          "time_seconds": 0.055
        },
        {
          "rms_dbfs": -38.684,
          "time_seconds": 0.065
        },
        {
          "rms_dbfs": -35.86,
          "time_seconds": 0.075
        },
        {
          "rms_dbfs": -40.752,
          "time_seconds": 0.085
        },
        {
          "rms_dbfs": -46.924,
          "time_seconds": 0.095
        },
        {
          "rms_dbfs": -49.747,
          "time_seconds": 0.105
        },
        {
          "rms_dbfs": -49.091,
          "time_seconds": 0.115
        },
        {
          "rms_dbfs": -51.453,
          "time_seconds": 0.125
        },
        {
          "rms_dbfs": -57.376,
          "time_seconds": 0.135
        },
        {
          "rms_dbfs": -53.66,
          "time_seconds": 0.145
        },
        {
          "rms_dbfs": -57.285,
          "time_seconds": 0.155
        },
        {
          "rms_dbfs": -60.186,
          "time_seconds": 0.165
        },
        {
          "rms_dbfs": -55.728,
          "time_seconds": 0.175
        },
        {
          "rms_dbfs": -57.846,
          "time_seconds": 0.185
        },
        {
          "rms_dbfs": -60.934,
          "time_seconds": 0.195
        },
        {
          "rms_dbfs": -61.691,
          "time_seconds": 0.205
        },
        {
          "rms_dbfs": -62.117,
          "time_seconds": 0.215
        },
        {
          "rms_dbfs": -67.207,
          "time_seconds": 0.225
        },
        {
          "rms_dbfs": -73.266,
          "time_seconds": 0.235
        },
        {
          "rms_dbfs": -74.353,
          "time_seconds": 0.245
        },
        {
          "rms_dbfs": -75.707,
          "time_seconds": 0.255
        },
        {
          "rms_dbfs": -70.242,
          "time_seconds": 0.260397
        }
      ]
    },
    "sample_crest_factor_db": 18.519,
    "sample_peak_dbfs": -22.88,
    "true_peak_crest_factor_db": 18.799
  },
  "loudness": {
    "integrated_lufs": -38.2,
    "loudness_range_lu": null,
    "maximum_momentary_lufs": -38.2,
    "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": -22.6
  },
  "schema_version": "1.1.0",
  "sha256": "12c202975a5b721a59f24f291efae0f67bc4535231d070199cf1a5c2201870df",
  "spectrum": {
    "broad_band_energy_dbfs": {
      "high_5000_10000_hz": -49.265,
      "low_80_200_hz": -54.803,
      "low_mid_200_500_hz": -49.243,
      "mid_500_2000_hz": -43.66,
      "presence_2000_5000_hz": -44.619,
      "sub_20_80_hz": -66.649
    },
    "method": "Welch PSD, Hann window, 4096-sample maximum segment",
    "peak_frequency_hz": 419.897,
    "spectral_centroid_hz": 2797.388,
    "speech_band_200_8000_hz_energy_percent": 91.545,
    "third_octave_band_energy_dbfs": [
      {
        "center_hz": 25.0,
        "energy_dbfs": -103.323
      },
      {
        "center_hz": 31.5,
        "energy_dbfs": -97.989
      },
      {
        "center_hz": 40.0,
        "energy_dbfs": -88.848
      },
      {
        "center_hz": 50.0,
        "energy_dbfs": -72.063
      },
      {
        "center_hz": 63.0,
        "energy_dbfs": -67.659
      },
      {
        "center_hz": 80.0,
        "energy_dbfs": -72.189
      },
      {
        "center_hz": 100.0,
        "energy_dbfs": -62.258
      },
      {
        "center_hz": 125.0,
        "energy_dbfs": -60.479
      },
      {
        "center_hz": 160.0,
        "energy_dbfs": -64.953
      },
      {
        "center_hz": 200.0,
        "energy_dbfs": -63.579
      },
      {
        "center_hz": 250.0,
        "energy_dbfs": -62.039
      },
      {
        "center_hz": 315.0,
        "energy_dbfs": -63.623
      },
      {
        "center_hz": 400.0,
        "energy_dbfs": -50.869
      },
      {
        "center_hz": 500.0,
        "energy_dbfs": -56.412
      },
      {
        "center_hz": 630.0,
        "energy_dbfs": -63.69
      },
      {
        "center_hz": 800.0,
        "energy_dbfs": -60.631
      },
      {
        "center_hz": 1000.0,
        "energy_dbfs": -59.22
      },
      {
        "center_hz": 1250.0,
        "energy_dbfs": -51.131
      },
      {
        "center_hz": 1600.0,
        "energy_dbfs": -46.345
      },
      {
        "center_hz": 2000.0,
        "energy_dbfs": -48.309
      },
      {
        "center_hz": 2500.0,
        "energy_dbfs": -50.601
      },
      {
        "center_hz": 3150.0,
        "energy_dbfs": -51.338
      },
      {
        "center_hz": 4000.0,
        "energy_dbfs": -51.525
      },
      {
        "center_hz": 5000.0,
        "energy_dbfs": -51.656
      },
      {
        "center_hz": 6300.0,
        "energy_dbfs": -52.353
      },
      {
        "center_hz": 8000.0,
        "energy_dbfs": -54.717
      },
      {
        "center_hz": 10000.0,
        "energy_dbfs": -57.057
      },
      {
        "center_hz": 12500.0,
        "energy_dbfs": -58.567
      },
      {
        "center_hz": 16000.0,
        "energy_dbfs": -62.887
      }
    ]
  },
  "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"
  }
}