{
  "$schema": "../schemas/asset.schema.json",
  "analysis_profile": "notification-sound-db-bs1770-v2",
  "analyzed_at": "2026-08-09T06:27:27Z",
  "audio": {
    "channel_count": 2,
    "channel_layout": null,
    "duration_seconds": 0.093152,
    "sample_rate_hz": 44100
  },
  "file": {
    "bits_per_sample": 16,
    "byte_size": 20528,
    "codec_long_name": "PCM signed 16-bit big-endian",
    "codec_name": "pcm_s16be",
    "container_format": "aiff",
    "extension": ".aiff",
    "sample_format": "s16"
  },
  "levels": {
    "active_segment": {
      "duration_seconds": 0.09,
      "end_seconds": 0.09,
      "leading_silence_seconds": 0.0,
      "rms_dbfs": -21.441,
      "start_seconds": 0.0,
      "threshold_dbfs": -57.567,
      "trailing_silence_seconds": 0.003152
    },
    "channels": [
      {
        "index": 0,
        "rms_dbfs": -21.591,
        "sample_peak_dbfs": -12.8
      },
      {
        "index": 1,
        "rms_dbfs": -21.591,
        "sample_peak_dbfs": -12.8
      }
    ],
    "rms_dbfs": -21.591,
    "rms_envelope": {
      "frame_duration_seconds": 0.01,
      "maximum_point_count": 400,
      "method": "non-overlapping channel-combined RMS frames",
      "points": [
        {
          "rms_dbfs": -17.567,
          "time_seconds": 0.005
        },
        {
          "rms_dbfs": -19.21,
          "time_seconds": 0.015
        },
        {
          "rms_dbfs": -22.84,
          "time_seconds": 0.025
        },
        {
          "rms_dbfs": -29.136,
          "time_seconds": 0.035
        },
        {
          "rms_dbfs": -39.091,
          "time_seconds": 0.045
        },
        {
          "rms_dbfs": -18.546,
          "time_seconds": 0.055
        },
        {
          "rms_dbfs": -19.586,
          "time_seconds": 0.065
        },
        {
          "rms_dbfs": -24.778,
          "time_seconds": 0.075
        },
        {
          "rms_dbfs": -36.472,
          "time_seconds": 0.085
        },
        {
          "rms_dbfs": -64.623,
          "time_seconds": 0.091576
        }
      ]
    },
    "sample_crest_factor_db": 8.791,
    "sample_peak_dbfs": -12.8,
    "true_peak_crest_factor_db": 8.791
  },
  "loudness": {
    "integrated_lufs": -22.9,
    "loudness_range_lu": null,
    "maximum_momentary_lufs": -22.9,
    "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": -12.8
  },
  "schema_version": "1.1.0",
  "sha256": "462056c28e31e1eb4a23924f079d3063c3be67b0279315df39d0207c6ba62643",
  "spectrum": {
    "broad_band_energy_dbfs": {
      "high_5000_10000_hz": -72.992,
      "low_80_200_hz": -71.718,
      "low_mid_200_500_hz": -64.666,
      "mid_500_2000_hz": -23.983,
      "presence_2000_5000_hz": -27.842,
      "sub_20_80_hz": -71.362
    },
    "method": "Welch PSD, Hann window, 4096-sample maximum segment",
    "peak_frequency_hz": 1765.723,
    "spectral_centroid_hz": 1933.248,
    "speech_band_200_8000_hz_energy_percent": 99.997,
    "third_octave_band_energy_dbfs": [
      {
        "center_hz": 25.0,
        "energy_dbfs": -85.519
      },
      {
        "center_hz": 31.5,
        "energy_dbfs": -80.858
      },
      {
        "center_hz": 40.0,
        "energy_dbfs": -77.539
      },
      {
        "center_hz": 50.0,
        "energy_dbfs": -77.519
      },
      {
        "center_hz": 63.0,
        "energy_dbfs": -76.045
      },
      {
        "center_hz": 80.0,
        "energy_dbfs": -80.62
      },
      {
        "center_hz": 100.0,
        "energy_dbfs": -86.553
      },
      {
        "center_hz": 125.0,
        "energy_dbfs": -79.61
      },
      {
        "center_hz": 160.0,
        "energy_dbfs": -77.095
      },
      {
        "center_hz": 200.0,
        "energy_dbfs": -74.218
      },
      {
        "center_hz": 250.0,
        "energy_dbfs": -70.918
      },
      {
        "center_hz": 315.0,
        "energy_dbfs": -71.374
      },
      {
        "center_hz": 400.0,
        "energy_dbfs": -70.302
      },
      {
        "center_hz": 500.0,
        "energy_dbfs": -68.222
      },
      {
        "center_hz": 630.0,
        "energy_dbfs": -68.009
      },
      {
        "center_hz": 800.0,
        "energy_dbfs": -64.422
      },
      {
        "center_hz": 1000.0,
        "energy_dbfs": -62.436
      },
      {
        "center_hz": 1250.0,
        "energy_dbfs": -53.748
      },
      {
        "center_hz": 1600.0,
        "energy_dbfs": -29.474
      },
      {
        "center_hz": 2000.0,
        "energy_dbfs": -23.685
      },
      {
        "center_hz": 2500.0,
        "energy_dbfs": -34.994
      },
      {
        "center_hz": 3150.0,
        "energy_dbfs": -60.06
      },
      {
        "center_hz": 4000.0,
        "energy_dbfs": -69.338
      },
      {
        "center_hz": 5000.0,
        "energy_dbfs": -73.561
      },
      {
        "center_hz": 6300.0,
        "energy_dbfs": -78.508
      },
      {
        "center_hz": 8000.0,
        "energy_dbfs": -79.939
      },
      {
        "center_hz": 10000.0,
        "energy_dbfs": -80.816
      },
      {
        "center_hz": 12500.0,
        "energy_dbfs": -82.476
      },
      {
        "center_hz": 16000.0,
        "energy_dbfs": -82.797
      }
    ]
  },
  "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"
  }
}