{
  "$schema": "../schemas/asset.schema.json",
  "analysis_profile": "notification-sound-db-bs1770-v2",
  "analyzed_at": "2026-08-09T06:27:24Z",
  "audio": {
    "channel_count": 2,
    "channel_layout": null,
    "duration_seconds": 0.148526,
    "sample_rate_hz": 44100
  },
  "file": {
    "bits_per_sample": 24,
    "byte_size": 40926,
    "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": 0.1,
      "end_seconds": 0.11,
      "leading_silence_seconds": 0.01,
      "rms_dbfs": -24.284,
      "start_seconds": 0.01,
      "threshold_dbfs": -60.0,
      "trailing_silence_seconds": 0.038526
    },
    "channels": [
      {
        "index": 0,
        "rms_dbfs": -25.392,
        "sample_peak_dbfs": -2.91
      },
      {
        "index": 1,
        "rms_dbfs": -26.712,
        "sample_peak_dbfs": -5.74
      }
    ],
    "rms_dbfs": -26.002,
    "rms_envelope": {
      "frame_duration_seconds": 0.01,
      "maximum_point_count": 400,
      "method": "non-overlapping channel-combined RMS frames",
      "points": [
        {
          "rms_dbfs": -64.86,
          "time_seconds": 0.005
        },
        {
          "rms_dbfs": -20.886,
          "time_seconds": 0.015
        },
        {
          "rms_dbfs": -20.16,
          "time_seconds": 0.025
        },
        {
          "rms_dbfs": -20.738,
          "time_seconds": 0.035
        },
        {
          "rms_dbfs": -21.231,
          "time_seconds": 0.045
        },
        {
          "rms_dbfs": -26.181,
          "time_seconds": 0.055
        },
        {
          "rms_dbfs": -30.472,
          "time_seconds": 0.065
        },
        {
          "rms_dbfs": -37.644,
          "time_seconds": 0.075
        },
        {
          "rms_dbfs": -44.31,
          "time_seconds": 0.085
        },
        {
          "rms_dbfs": -49.842,
          "time_seconds": 0.095
        },
        {
          "rms_dbfs": -55.283,
          "time_seconds": 0.105
        },
        {
          "rms_dbfs": -60.311,
          "time_seconds": 0.115
        },
        {
          "rms_dbfs": -64.953,
          "time_seconds": 0.125
        },
        {
          "rms_dbfs": -69.747,
          "time_seconds": 0.135
        },
        {
          "rms_dbfs": -111.056,
          "time_seconds": 0.144263
        }
      ]
    },
    "sample_crest_factor_db": 23.092,
    "sample_peak_dbfs": -2.91,
    "true_peak_crest_factor_db": 23.102
  },
  "loudness": {
    "integrated_lufs": -24.6,
    "loudness_range_lu": null,
    "maximum_momentary_lufs": -24.6,
    "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": -2.9
  },
  "schema_version": "1.1.0",
  "sha256": "f51ad94fe6fbe01be7f81655782c2c7433e0a32ea5fd378319b78c0ed7d990fb",
  "spectrum": {
    "broad_band_energy_dbfs": {
      "high_5000_10000_hz": -32.627,
      "low_80_200_hz": -63.611,
      "low_mid_200_500_hz": -65.676,
      "mid_500_2000_hz": -31.085,
      "presence_2000_5000_hz": -29.27,
      "sub_20_80_hz": -61.848
    },
    "method": "Welch PSD, Hann window, 4096-sample maximum segment",
    "peak_frequency_hz": 2013.354,
    "spectral_centroid_hz": 3634.909,
    "speech_band_200_8000_hz_energy_percent": 96.89,
    "third_octave_band_energy_dbfs": [
      {
        "center_hz": 25.0,
        "energy_dbfs": -74.249
      },
      {
        "center_hz": 31.5,
        "energy_dbfs": -71.039
      },
      {
        "center_hz": 40.0,
        "energy_dbfs": -66.353
      },
      {
        "center_hz": 50.0,
        "energy_dbfs": -66.845
      },
      {
        "center_hz": 63.0,
        "energy_dbfs": -74.49
      },
      {
        "center_hz": 80.0,
        "energy_dbfs": -71.238
      },
      {
        "center_hz": 100.0,
        "energy_dbfs": -71.911
      },
      {
        "center_hz": 125.0,
        "energy_dbfs": -70.074
      },
      {
        "center_hz": 160.0,
        "energy_dbfs": -74.587
      },
      {
        "center_hz": 200.0,
        "energy_dbfs": -72.655
      },
      {
        "center_hz": 250.0,
        "energy_dbfs": -71.222
      },
      {
        "center_hz": 315.0,
        "energy_dbfs": -75.716
      },
      {
        "center_hz": 400.0,
        "energy_dbfs": -72.958
      },
      {
        "center_hz": 500.0,
        "energy_dbfs": -67.066
      },
      {
        "center_hz": 630.0,
        "energy_dbfs": -57.918
      },
      {
        "center_hz": 800.0,
        "energy_dbfs": -47.401
      },
      {
        "center_hz": 1000.0,
        "energy_dbfs": -41.219
      },
      {
        "center_hz": 1250.0,
        "energy_dbfs": -41.341
      },
      {
        "center_hz": 1600.0,
        "energy_dbfs": -33.612
      },
      {
        "center_hz": 2000.0,
        "energy_dbfs": -33.018
      },
      {
        "center_hz": 2500.0,
        "energy_dbfs": -39.239
      },
      {
        "center_hz": 3150.0,
        "energy_dbfs": -44.231
      },
      {
        "center_hz": 4000.0,
        "energy_dbfs": -32.369
      },
      {
        "center_hz": 5000.0,
        "energy_dbfs": -32.71
      },
      {
        "center_hz": 6300.0,
        "energy_dbfs": -38.663
      },
      {
        "center_hz": 8000.0,
        "energy_dbfs": -47.227
      },
      {
        "center_hz": 10000.0,
        "energy_dbfs": -50.232
      },
      {
        "center_hz": 12500.0,
        "energy_dbfs": -49.653
      },
      {
        "center_hz": 16000.0,
        "energy_dbfs": -43.15
      }
    ]
  },
  "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"
  }
}