{
  "$schema": "../schemas/asset.schema.json",
  "analysis_profile": "notification-sound-db-bs1770-v2",
  "analyzed_at": "2026-08-09T06:27:23Z",
  "audio": {
    "channel_count": 2,
    "channel_layout": null,
    "duration_seconds": 0.304853,
    "sample_rate_hz": 44100
  },
  "file": {
    "bits_per_sample": 24,
    "byte_size": 82506,
    "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": 0.27,
      "end_seconds": 0.27,
      "leading_silence_seconds": 0.0,
      "rms_dbfs": -30.768,
      "start_seconds": 0.0,
      "threshold_dbfs": -60.0,
      "trailing_silence_seconds": 0.034853
    },
    "channels": [
      {
        "index": 0,
        "rms_dbfs": -31.295,
        "sample_peak_dbfs": -9.213
      },
      {
        "index": 1,
        "rms_dbfs": -31.295,
        "sample_peak_dbfs": -9.213
      }
    ],
    "rms_dbfs": -31.295,
    "rms_envelope": {
      "frame_duration_seconds": 0.01,
      "maximum_point_count": 400,
      "method": "non-overlapping channel-combined RMS frames",
      "points": [
        {
          "rms_dbfs": -20.858,
          "time_seconds": 0.005
        },
        {
          "rms_dbfs": -26.306,
          "time_seconds": 0.015
        },
        {
          "rms_dbfs": -31.427,
          "time_seconds": 0.025
        },
        {
          "rms_dbfs": -36.624,
          "time_seconds": 0.035
        },
        {
          "rms_dbfs": -41.79,
          "time_seconds": 0.045
        },
        {
          "rms_dbfs": -47.026,
          "time_seconds": 0.055
        },
        {
          "rms_dbfs": -52.274,
          "time_seconds": 0.065
        },
        {
          "rms_dbfs": -57.58,
          "time_seconds": 0.075
        },
        {
          "rms_dbfs": -62.959,
          "time_seconds": 0.085
        },
        {
          "rms_dbfs": -68.218,
          "time_seconds": 0.095
        },
        {
          "rms_dbfs": -73.562,
          "time_seconds": 0.105
        },
        {
          "rms_dbfs": -25.924,
          "time_seconds": 0.115
        },
        {
          "rms_dbfs": -26.845,
          "time_seconds": 0.125
        },
        {
          "rms_dbfs": -33.25,
          "time_seconds": 0.135
        },
        {
          "rms_dbfs": -40.164,
          "time_seconds": 0.145
        },
        {
          "rms_dbfs": -47.178,
          "time_seconds": 0.155
        },
        {
          "rms_dbfs": -54.062,
          "time_seconds": 0.165
        },
        {
          "rms_dbfs": -61.098,
          "time_seconds": 0.175
        },
        {
          "rms_dbfs": -68.274,
          "time_seconds": 0.185
        },
        {
          "rms_dbfs": -76.879,
          "time_seconds": 0.195
        },
        {
          "rms_dbfs": -84.36,
          "time_seconds": 0.205
        },
        {
          "rms_dbfs": -24.377,
          "time_seconds": 0.215
        },
        {
          "rms_dbfs": -27.482,
          "time_seconds": 0.225
        },
        {
          "rms_dbfs": -34.887,
          "time_seconds": 0.235
        },
        {
          "rms_dbfs": -42.558,
          "time_seconds": 0.245
        },
        {
          "rms_dbfs": -50.56,
          "time_seconds": 0.255
        },
        {
          "rms_dbfs": -58.993,
          "time_seconds": 0.265
        },
        {
          "rms_dbfs": -68.294,
          "time_seconds": 0.275
        },
        {
          "rms_dbfs": -77.535,
          "time_seconds": 0.285
        },
        {
          "rms_dbfs": -98.986,
          "time_seconds": 0.295
        },
        {
          "rms_dbfs": -118.255,
          "time_seconds": 0.302426
        }
      ]
    },
    "sample_crest_factor_db": 22.082,
    "sample_peak_dbfs": -9.213,
    "true_peak_crest_factor_db": 22.095
  },
  "loudness": {
    "integrated_lufs": -31.5,
    "loudness_range_lu": null,
    "maximum_momentary_lufs": -29.1,
    "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": -9.2
  },
  "schema_version": "1.1.0",
  "sha256": "6615aa162e148d5e2403a1a299cc46a45553f5613ba7b0efa1f15d8b0bd488dd",
  "spectrum": {
    "broad_band_energy_dbfs": {
      "high_5000_10000_hz": -82.597,
      "low_80_200_hz": -72.813,
      "low_mid_200_500_hz": -64.635,
      "mid_500_2000_hz": -33.662,
      "presence_2000_5000_hz": -46.572,
      "sub_20_80_hz": -75.766
    },
    "method": "Welch PSD, Hann window, 4096-sample maximum segment",
    "peak_frequency_hz": 829.028,
    "spectral_centroid_hz": 925.514,
    "speech_band_200_8000_hz_energy_percent": 99.98,
    "third_octave_band_energy_dbfs": [
      {
        "center_hz": 25.0,
        "energy_dbfs": -87.953
      },
      {
        "center_hz": 31.5,
        "energy_dbfs": -84.969
      },
      {
        "center_hz": 40.0,
        "energy_dbfs": -83.571
      },
      {
        "center_hz": 50.0,
        "energy_dbfs": -82.062
      },
      {
        "center_hz": 63.0,
        "energy_dbfs": -80.378
      },
      {
        "center_hz": 80.0,
        "energy_dbfs": -81.955
      },
      {
        "center_hz": 100.0,
        "energy_dbfs": -82.359
      },
      {
        "center_hz": 125.0,
        "energy_dbfs": -79.984
      },
      {
        "center_hz": 160.0,
        "energy_dbfs": -79.871
      },
      {
        "center_hz": 200.0,
        "energy_dbfs": -78.456
      },
      {
        "center_hz": 250.0,
        "energy_dbfs": -75.096
      },
      {
        "center_hz": 315.0,
        "energy_dbfs": -73.5
      },
      {
        "center_hz": 400.0,
        "energy_dbfs": -70.054
      },
      {
        "center_hz": 500.0,
        "energy_dbfs": -47.26
      },
      {
        "center_hz": 630.0,
        "energy_dbfs": -51.061
      },
      {
        "center_hz": 800.0,
        "energy_dbfs": -34.842
      },
      {
        "center_hz": 1000.0,
        "energy_dbfs": -47.73
      },
      {
        "center_hz": 1250.0,
        "energy_dbfs": -49.241
      },
      {
        "center_hz": 1600.0,
        "energy_dbfs": -47.122
      },
      {
        "center_hz": 2000.0,
        "energy_dbfs": -48.107
      },
      {
        "center_hz": 2500.0,
        "energy_dbfs": -49.211
      },
      {
        "center_hz": 3150.0,
        "energy_dbfs": -58.791
      },
      {
        "center_hz": 4000.0,
        "energy_dbfs": -69.14
      },
      {
        "center_hz": 5000.0,
        "energy_dbfs": -81.136
      },
      {
        "center_hz": 6300.0,
        "energy_dbfs": -86.9
      },
      {
        "center_hz": 8000.0,
        "energy_dbfs": -92.803
      },
      {
        "center_hz": 10000.0,
        "energy_dbfs": -94.78
      },
      {
        "center_hz": 12500.0,
        "energy_dbfs": -95.376
      },
      {
        "center_hz": 16000.0,
        "energy_dbfs": -96.441
      }
    ]
  },
  "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"
  }
}
