{
  "$schema": "../schemas/asset.schema.json",
  "analysis_profile": "notification-sound-db-bs1770-v2",
  "analyzed_at": "2026-08-09T06:27:22Z",
  "audio": {
    "channel_count": 2,
    "channel_layout": null,
    "duration_seconds": 0.269388,
    "sample_rate_hz": 44100
  },
  "file": {
    "bits_per_sample": 24,
    "byte_size": 73074,
    "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": 0.19,
      "end_seconds": 0.21,
      "leading_silence_seconds": 0.02,
      "rms_dbfs": -22.62,
      "start_seconds": 0.02,
      "threshold_dbfs": -57.149,
      "trailing_silence_seconds": 0.059388
    },
    "channels": [
      {
        "index": 0,
        "rms_dbfs": -22.972,
        "sample_peak_dbfs": -9.963
      },
      {
        "index": 1,
        "rms_dbfs": -25.731,
        "sample_peak_dbfs": -12.672
      }
    ],
    "rms_dbfs": -24.136,
    "rms_envelope": {
      "frame_duration_seconds": 0.01,
      "maximum_point_count": 400,
      "method": "non-overlapping channel-combined RMS frames",
      "points": [
        {
          "rms_dbfs": -67.266,
          "time_seconds": 0.005
        },
        {
          "rms_dbfs": -62.628,
          "time_seconds": 0.015
        },
        {
          "rms_dbfs": -30.119,
          "time_seconds": 0.025
        },
        {
          "rms_dbfs": -17.792,
          "time_seconds": 0.035
        },
        {
          "rms_dbfs": -17.149,
          "time_seconds": 0.045
        },
        {
          "rms_dbfs": -17.383,
          "time_seconds": 0.055
        },
        {
          "rms_dbfs": -17.726,
          "time_seconds": 0.065
        },
        {
          "rms_dbfs": -18.834,
          "time_seconds": 0.075
        },
        {
          "rms_dbfs": -21.463,
          "time_seconds": 0.085
        },
        {
          "rms_dbfs": -23.071,
          "time_seconds": 0.095
        },
        {
          "rms_dbfs": -25.31,
          "time_seconds": 0.105
        },
        {
          "rms_dbfs": -27.743,
          "time_seconds": 0.115
        },
        {
          "rms_dbfs": -30.185,
          "time_seconds": 0.125
        },
        {
          "rms_dbfs": -32.667,
          "time_seconds": 0.135
        },
        {
          "rms_dbfs": -35.176,
          "time_seconds": 0.145
        },
        {
          "rms_dbfs": -37.871,
          "time_seconds": 0.155
        },
        {
          "rms_dbfs": -40.636,
          "time_seconds": 0.165
        },
        {
          "rms_dbfs": -43.69,
          "time_seconds": 0.175
        },
        {
          "rms_dbfs": -46.808,
          "time_seconds": 0.185
        },
        {
          "rms_dbfs": -50.627,
          "time_seconds": 0.195
        },
        {
          "rms_dbfs": -54.293,
          "time_seconds": 0.205
        },
        {
          "rms_dbfs": -58.268,
          "time_seconds": 0.215
        },
        {
          "rms_dbfs": -61.944,
          "time_seconds": 0.225
        },
        {
          "rms_dbfs": -65.723,
          "time_seconds": 0.235
        },
        {
          "rms_dbfs": -70.101,
          "time_seconds": 0.245
        },
        {
          "rms_dbfs": -74.992,
          "time_seconds": 0.255
        },
        {
          "rms_dbfs": -83.328,
          "time_seconds": 0.264694
        }
      ]
    },
    "sample_crest_factor_db": 14.174,
    "sample_peak_dbfs": -9.963,
    "true_peak_crest_factor_db": 14.136
  },
  "loudness": {
    "integrated_lufs": -24.8,
    "loudness_range_lu": null,
    "maximum_momentary_lufs": -22.0,
    "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": -10.0
  },
  "schema_version": "1.1.0",
  "sha256": "cf2f9ed1bbf0085b20d6a5a736cd959e1f15498d9cc99f8135b63a3ee1d24c08",
  "spectrum": {
    "broad_band_energy_dbfs": {
      "high_5000_10000_hz": -89.509,
      "low_80_200_hz": -100.005,
      "low_mid_200_500_hz": -78.564,
      "mid_500_2000_hz": -23.639,
      "presence_2000_5000_hz": -76.445,
      "sub_20_80_hz": -111.461
    },
    "method": "Welch PSD, Hann window, 4096-sample maximum segment",
    "peak_frequency_hz": 1184.326,
    "spectral_centroid_hz": 1206.053,
    "speech_band_200_8000_hz_energy_percent": 100.0,
    "third_octave_band_energy_dbfs": [
      {
        "center_hz": 25.0,
        "energy_dbfs": -118.064
      },
      {
        "center_hz": 31.5,
        "energy_dbfs": -119.642
      },
      {
        "center_hz": 40.0,
        "energy_dbfs": -117.006
      },
      {
        "center_hz": 50.0,
        "energy_dbfs": -120.728
      },
      {
        "center_hz": 63.0,
        "energy_dbfs": -122.089
      },
      {
        "center_hz": 80.0,
        "energy_dbfs": -124.955
      },
      {
        "center_hz": 100.0,
        "energy_dbfs": -123.933
      },
      {
        "center_hz": 125.0,
        "energy_dbfs": -117.156
      },
      {
        "center_hz": 160.0,
        "energy_dbfs": -109.555
      },
      {
        "center_hz": 200.0,
        "energy_dbfs": -99.17
      },
      {
        "center_hz": 250.0,
        "energy_dbfs": -106.223
      },
      {
        "center_hz": 315.0,
        "energy_dbfs": -99.926
      },
      {
        "center_hz": 400.0,
        "energy_dbfs": -79.136
      },
      {
        "center_hz": 500.0,
        "energy_dbfs": -65.295
      },
      {
        "center_hz": 630.0,
        "energy_dbfs": -32.946
      },
      {
        "center_hz": 800.0,
        "energy_dbfs": -33.887
      },
      {
        "center_hz": 1000.0,
        "energy_dbfs": -44.493
      },
      {
        "center_hz": 1250.0,
        "energy_dbfs": -26.914
      },
      {
        "center_hz": 1600.0,
        "energy_dbfs": -28.744
      },
      {
        "center_hz": 2000.0,
        "energy_dbfs": -72.043
      },
      {
        "center_hz": 2500.0,
        "energy_dbfs": -85.245
      },
      {
        "center_hz": 3150.0,
        "energy_dbfs": -92.163
      },
      {
        "center_hz": 4000.0,
        "energy_dbfs": -81.516
      },
      {
        "center_hz": 5000.0,
        "energy_dbfs": -87.019
      },
      {
        "center_hz": 6300.0,
        "energy_dbfs": -95.133
      },
      {
        "center_hz": 8000.0,
        "energy_dbfs": -94.582
      },
      {
        "center_hz": 10000.0,
        "energy_dbfs": -94.681
      },
      {
        "center_hz": 12500.0,
        "energy_dbfs": -94.634
      },
      {
        "center_hz": 16000.0,
        "energy_dbfs": -93.434
      }
    ]
  },
  "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"
  }
}