{
  "$schema": "../schemas/asset.schema.json",
  "analysis_profile": "notification-sound-db-bs1770-v2",
  "analyzed_at": "2026-08-09T06:27:25Z",
  "audio": {
    "channel_count": 2,
    "channel_layout": null,
    "duration_seconds": 0.027029,
    "sample_rate_hz": 44100
  },
  "file": {
    "bits_per_sample": 24,
    "byte_size": 8610,
    "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": 0.02,
      "end_seconds": 0.02,
      "leading_silence_seconds": 0.0,
      "rms_dbfs": -30.712,
      "start_seconds": 0.0,
      "threshold_dbfs": -60.0,
      "trailing_silence_seconds": 0.007029
    },
    "channels": [
      {
        "index": 0,
        "rms_dbfs": -32.02,
        "sample_peak_dbfs": -13.623
      },
      {
        "index": 1,
        "rms_dbfs": -32.02,
        "sample_peak_dbfs": -13.623
      }
    ],
    "rms_dbfs": -32.02,
    "rms_envelope": {
      "frame_duration_seconds": 0.01,
      "maximum_point_count": 400,
      "method": "non-overlapping channel-combined RMS frames",
      "points": [
        {
          "rms_dbfs": -27.728,
          "time_seconds": 0.005
        },
        {
          "rms_dbfs": -49.837,
          "time_seconds": 0.015
        },
        {
          "rms_dbfs": -84.991,
          "time_seconds": 0.023515
        }
      ]
    },
    "sample_crest_factor_db": 18.397,
    "sample_peak_dbfs": -13.623,
    "true_peak_crest_factor_db": 18.82
  },
  "loudness": {
    "integrated_lufs": -37.6,
    "loudness_range_lu": null,
    "maximum_momentary_lufs": -37.6,
    "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": -13.2
  },
  "schema_version": "1.1.0",
  "sha256": "9169ed80791e9902cdb6c7fef271c9a98f3f18ec8e0912aa196e3812d84a838d",
  "spectrum": {
    "broad_band_energy_dbfs": {
      "high_5000_10000_hz": -41.712,
      "low_80_200_hz": -86.186,
      "low_mid_200_500_hz": -65.979,
      "mid_500_2000_hz": -44.725,
      "presence_2000_5000_hz": -37.159,
      "sub_20_80_hz": -95.337
    },
    "method": "Welch PSD, Hann window, 4096-sample maximum segment",
    "peak_frequency_hz": 3403.691,
    "spectral_centroid_hz": 4628.381,
    "speech_band_200_8000_hz_energy_percent": 88.86,
    "third_octave_band_energy_dbfs": [
      {
        "center_hz": 25.0,
        "energy_dbfs": -104.645
      },
      {
        "center_hz": 31.5,
        "energy_dbfs": -103.594
      },
      {
        "center_hz": 40.0,
        "energy_dbfs": -102.517
      },
      {
        "center_hz": 50.0,
        "energy_dbfs": -100.697
      },
      {
        "center_hz": 63.0,
        "energy_dbfs": -98.982
      },
      {
        "center_hz": 80.0,
        "energy_dbfs": -97.422
      },
      {
        "center_hz": 100.0,
        "energy_dbfs": -89.424
      },
      {
        "center_hz": 125.0,
        "energy_dbfs": -89.484
      },
      {
        "center_hz": 160.0,
        "energy_dbfs": -90.922
      },
      {
        "center_hz": 200.0,
        "energy_dbfs": -87.173
      },
      {
        "center_hz": 250.0,
        "energy_dbfs": -84.657
      },
      {
        "center_hz": 315.0,
        "energy_dbfs": -87.497
      },
      {
        "center_hz": 400.0,
        "energy_dbfs": -68.144
      },
      {
        "center_hz": 500.0,
        "energy_dbfs": -68.415
      },
      {
        "center_hz": 630.0,
        "energy_dbfs": -65.145
      },
      {
        "center_hz": 800.0,
        "energy_dbfs": -51.327
      },
      {
        "center_hz": 1000.0,
        "energy_dbfs": -56.528
      },
      {
        "center_hz": 1250.0,
        "energy_dbfs": -52.368
      },
      {
        "center_hz": 1600.0,
        "energy_dbfs": -49.842
      },
      {
        "center_hz": 2000.0,
        "energy_dbfs": -48.311
      },
      {
        "center_hz": 2500.0,
        "energy_dbfs": -49.643
      },
      {
        "center_hz": 3150.0,
        "energy_dbfs": -41.599
      },
      {
        "center_hz": 4000.0,
        "energy_dbfs": -43.676
      },
      {
        "center_hz": 5000.0,
        "energy_dbfs": -42.725
      },
      {
        "center_hz": 6300.0,
        "energy_dbfs": -44.412
      },
      {
        "center_hz": 8000.0,
        "energy_dbfs": -49.173
      },
      {
        "center_hz": 10000.0,
        "energy_dbfs": -47.466
      },
      {
        "center_hz": 12500.0,
        "energy_dbfs": -48.877
      },
      {
        "center_hz": 16000.0,
        "energy_dbfs": -61.759
      }
    ]
  },
  "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"
  }
}