{
  "$schema": "../schemas/asset.schema.json",
  "analysis_profile": "notification-sound-db-bs1770-v2",
  "analyzed_at": "2026-08-09T06:27:18Z",
  "audio": {
    "channel_count": 1,
    "channel_layout": null,
    "duration_seconds": 0.382426,
    "sample_rate_hz": 44100
  },
  "file": {
    "bits_per_sample": 24,
    "byte_size": 50650,
    "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": 0.03,
      "end_seconds": 0.03,
      "leading_silence_seconds": 0.0,
      "rms_dbfs": -19.35,
      "start_seconds": 0.0,
      "threshold_dbfs": -54.689,
      "trailing_silence_seconds": 0.352426
    },
    "channels": [
      {
        "index": 0,
        "rms_dbfs": -30.404,
        "sample_peak_dbfs": -7.0
      }
    ],
    "rms_dbfs": -30.404,
    "rms_envelope": {
      "frame_duration_seconds": 0.01,
      "maximum_point_count": 400,
      "method": "non-overlapping channel-combined RMS frames",
      "points": [
        {
          "rms_dbfs": -14.689,
          "time_seconds": 0.005
        },
        {
          "rms_dbfs": -30.653,
          "time_seconds": 0.015
        },
        {
          "rms_dbfs": -47.79,
          "time_seconds": 0.025
        },
        {
          "rms_dbfs": -71.243,
          "time_seconds": 0.035
        },
        {
          "rms_dbfs": null,
          "time_seconds": 0.045
        },
        {
          "rms_dbfs": null,
          "time_seconds": 0.055
        },
        {
          "rms_dbfs": null,
          "time_seconds": 0.065
        },
        {
          "rms_dbfs": null,
          "time_seconds": 0.075
        },
        {
          "rms_dbfs": null,
          "time_seconds": 0.085
        },
        {
          "rms_dbfs": null,
          "time_seconds": 0.095
        },
        {
          "rms_dbfs": null,
          "time_seconds": 0.105
        },
        {
          "rms_dbfs": null,
          "time_seconds": 0.115
        },
        {
          "rms_dbfs": null,
          "time_seconds": 0.125
        },
        {
          "rms_dbfs": null,
          "time_seconds": 0.135
        },
        {
          "rms_dbfs": null,
          "time_seconds": 0.145
        },
        {
          "rms_dbfs": null,
          "time_seconds": 0.155
        },
        {
          "rms_dbfs": null,
          "time_seconds": 0.165
        },
        {
          "rms_dbfs": null,
          "time_seconds": 0.175
        },
        {
          "rms_dbfs": null,
          "time_seconds": 0.185
        },
        {
          "rms_dbfs": null,
          "time_seconds": 0.195
        },
        {
          "rms_dbfs": null,
          "time_seconds": 0.205
        },
        {
          "rms_dbfs": null,
          "time_seconds": 0.215
        },
        {
          "rms_dbfs": null,
          "time_seconds": 0.225
        },
        {
          "rms_dbfs": null,
          "time_seconds": 0.235
        },
        {
          "rms_dbfs": null,
          "time_seconds": 0.245
        },
        {
          "rms_dbfs": null,
          "time_seconds": 0.255
        },
        {
          "rms_dbfs": null,
          "time_seconds": 0.265
        },
        {
          "rms_dbfs": null,
          "time_seconds": 0.275
        },
        {
          "rms_dbfs": null,
          "time_seconds": 0.285
        },
        {
          "rms_dbfs": null,
          "time_seconds": 0.295
        },
        {
          "rms_dbfs": null,
          "time_seconds": 0.305
        },
        {
          "rms_dbfs": null,
          "time_seconds": 0.315
        },
        {
          "rms_dbfs": null,
          "time_seconds": 0.325
        },
        {
          "rms_dbfs": null,
          "time_seconds": 0.335
        },
        {
          "rms_dbfs": null,
          "time_seconds": 0.345
        },
        {
          "rms_dbfs": null,
          "time_seconds": 0.355
        },
        {
          "rms_dbfs": null,
          "time_seconds": 0.365
        },
        {
          "rms_dbfs": null,
          "time_seconds": 0.375
        },
        {
          "rms_dbfs": null,
          "time_seconds": 0.381213
        }
      ]
    },
    "sample_crest_factor_db": 23.404,
    "sample_peak_dbfs": -7.0,
    "true_peak_crest_factor_db": 23.404
  },
  "loudness": {
    "integrated_lufs": -31.2,
    "loudness_range_lu": null,
    "maximum_momentary_lufs": -31.2,
    "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": -7.0
  },
  "schema_version": "1.1.0",
  "sha256": "b34fda90568997b184168d9a51f992a5a848214330b6c288745aaba1fcba89a2",
  "spectrum": {
    "broad_band_energy_dbfs": {
      "high_5000_10000_hz": -113.862,
      "low_80_200_hz": -103.413,
      "low_mid_200_500_hz": -59.881,
      "mid_500_2000_hz": -62.988,
      "presence_2000_5000_hz": -75.758,
      "sub_20_80_hz": -81.135
    },
    "method": "Welch PSD, Hann window, 4096-sample maximum segment",
    "peak_frequency_hz": 495.264,
    "spectral_centroid_hz": 517.494,
    "speech_band_200_8000_hz_energy_percent": 99.607,
    "third_octave_band_energy_dbfs": [
      {
        "center_hz": 25.0,
        "energy_dbfs": -84.577
      },
      {
        "center_hz": 31.5,
        "energy_dbfs": -87.343
      },
      {
        "center_hz": 40.0,
        "energy_dbfs": -93.212
      },
      {
        "center_hz": 50.0,
        "energy_dbfs": -97.098
      },
      {
        "center_hz": 63.0,
        "energy_dbfs": -98.892
      },
      {
        "center_hz": 80.0,
        "energy_dbfs": -107.048
      },
      {
        "center_hz": 100.0,
        "energy_dbfs": -110.407
      },
      {
        "center_hz": 125.0,
        "energy_dbfs": -110.763
      },
      {
        "center_hz": 160.0,
        "energy_dbfs": -114.279
      },
      {
        "center_hz": 200.0,
        "energy_dbfs": -112.813
      },
      {
        "center_hz": 250.0,
        "energy_dbfs": -106.976
      },
      {
        "center_hz": 315.0,
        "energy_dbfs": -99.315
      },
      {
        "center_hz": 400.0,
        "energy_dbfs": -77.912
      },
      {
        "center_hz": 500.0,
        "energy_dbfs": -57.217
      },
      {
        "center_hz": 630.0,
        "energy_dbfs": -84.558
      },
      {
        "center_hz": 800.0,
        "energy_dbfs": -105.901
      },
      {
        "center_hz": 1000.0,
        "energy_dbfs": -112.897
      },
      {
        "center_hz": 1250.0,
        "energy_dbfs": -116.789
      },
      {
        "center_hz": 1600.0,
        "energy_dbfs": -118.045
      },
      {
        "center_hz": 2000.0,
        "energy_dbfs": -114.719
      },
      {
        "center_hz": 2500.0,
        "energy_dbfs": -75.761
      },
      {
        "center_hz": 3150.0,
        "energy_dbfs": -111.908
      },
      {
        "center_hz": 4000.0,
        "energy_dbfs": -114.082
      },
      {
        "center_hz": 5000.0,
        "energy_dbfs": -112.746
      },
      {
        "center_hz": 6300.0,
        "energy_dbfs": -118.523
      },
      {
        "center_hz": 8000.0,
        "energy_dbfs": -118.313
      },
      {
        "center_hz": 10000.0,
        "energy_dbfs": -120.313
      },
      {
        "center_hz": 12500.0,
        "energy_dbfs": -117.863
      },
      {
        "center_hz": 16000.0,
        "energy_dbfs": -116.047
      }
    ]
  },
  "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"
  }
}