{
  "$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": 0.242583,
    "sample_rate_hz": 48000
  },
  "file": {
    "bits_per_sample": 32,
    "byte_size": 93196,
    "codec_long_name": "PCM 32-bit floating point little-endian",
    "codec_name": "pcm_f32le",
    "container_format": "wav",
    "extension": ".wav",
    "sample_format": "flt"
  },
  "levels": {
    "active_segment": {
      "duration_seconds": 0.2,
      "end_seconds": 0.2,
      "leading_silence_seconds": 0.0,
      "rms_dbfs": -17.298,
      "start_seconds": 0.0,
      "threshold_dbfs": -53.082,
      "trailing_silence_seconds": 0.042583
    },
    "channels": [
      {
        "index": 0,
        "rms_dbfs": -18.136,
        "sample_peak_dbfs": -6.0
      },
      {
        "index": 1,
        "rms_dbfs": -18.136,
        "sample_peak_dbfs": -6.0
      }
    ],
    "rms_dbfs": -18.136,
    "rms_envelope": {
      "frame_duration_seconds": 0.01,
      "maximum_point_count": 400,
      "method": "non-overlapping channel-combined RMS frames",
      "points": [
        {
          "rms_dbfs": -13.082,
          "time_seconds": 0.005
        },
        {
          "rms_dbfs": -14.763,
          "time_seconds": 0.015
        },
        {
          "rms_dbfs": -16.871,
          "time_seconds": 0.025
        },
        {
          "rms_dbfs": -19.265,
          "time_seconds": 0.035
        },
        {
          "rms_dbfs": -22.279,
          "time_seconds": 0.045
        },
        {
          "rms_dbfs": -26.039,
          "time_seconds": 0.055
        },
        {
          "rms_dbfs": -14.015,
          "time_seconds": 0.065
        },
        {
          "rms_dbfs": -14.268,
          "time_seconds": 0.075
        },
        {
          "rms_dbfs": -16.366,
          "time_seconds": 0.085
        },
        {
          "rms_dbfs": -18.649,
          "time_seconds": 0.095
        },
        {
          "rms_dbfs": -21.539,
          "time_seconds": 0.105
        },
        {
          "rms_dbfs": -25.037,
          "time_seconds": 0.115
        },
        {
          "rms_dbfs": -17.247,
          "time_seconds": 0.125
        },
        {
          "rms_dbfs": -13.337,
          "time_seconds": 0.135
        },
        {
          "rms_dbfs": -15.516,
          "time_seconds": 0.145
        },
        {
          "rms_dbfs": -17.808,
          "time_seconds": 0.155
        },
        {
          "rms_dbfs": -20.317,
          "time_seconds": 0.165
        },
        {
          "rms_dbfs": -23.664,
          "time_seconds": 0.175
        },
        {
          "rms_dbfs": -28.182,
          "time_seconds": 0.185
        },
        {
          "rms_dbfs": -35.559,
          "time_seconds": 0.195
        },
        {
          "rms_dbfs": -58.748,
          "time_seconds": 0.205
        },
        {
          "rms_dbfs": -118.765,
          "time_seconds": 0.215
        },
        {
          "rms_dbfs": -124.347,
          "time_seconds": 0.225
        },
        {
          "rms_dbfs": -124.786,
          "time_seconds": 0.235
        },
        {
          "rms_dbfs": -125.075,
          "time_seconds": 0.241292
        }
      ]
    },
    "sample_crest_factor_db": 12.136,
    "sample_peak_dbfs": -6.0,
    "true_peak_crest_factor_db": 12.136
  },
  "loudness": {
    "integrated_lufs": -18.5,
    "loudness_range_lu": null,
    "maximum_momentary_lufs": -16.6,
    "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": -6.0
  },
  "schema_version": "1.1.0",
  "sha256": "050c818b24f4be06cfe2e4112ac9fddb3c851a3f6b7c192095feb71aef1a8a2a",
  "spectrum": {
    "broad_band_energy_dbfs": {
      "high_5000_10000_hz": -62.15,
      "low_80_200_hz": -48.644,
      "low_mid_200_500_hz": -35.935,
      "mid_500_2000_hz": -17.827,
      "presence_2000_5000_hz": -53.96,
      "sub_20_80_hz": -73.319
    },
    "method": "Welch PSD, Hann window, 4096-sample maximum segment",
    "peak_frequency_hz": 785.156,
    "spectral_centroid_hz": 1098.445,
    "speech_band_200_8000_hz_energy_percent": 99.883,
    "third_octave_band_energy_dbfs": [
      {
        "center_hz": 25.0,
        "energy_dbfs": -86.25
      },
      {
        "center_hz": 31.5,
        "energy_dbfs": -84.405
      },
      {
        "center_hz": 40.0,
        "energy_dbfs": -82.617
      },
      {
        "center_hz": 50.0,
        "energy_dbfs": -80.766
      },
      {
        "center_hz": 63.0,
        "energy_dbfs": -76.491
      },
      {
        "center_hz": 80.0,
        "energy_dbfs": -70.033
      },
      {
        "center_hz": 100.0,
        "energy_dbfs": -67.417
      },
      {
        "center_hz": 125.0,
        "energy_dbfs": -62.849
      },
      {
        "center_hz": 160.0,
        "energy_dbfs": -54.251
      },
      {
        "center_hz": 200.0,
        "energy_dbfs": -47.997
      },
      {
        "center_hz": 250.0,
        "energy_dbfs": -44.079
      },
      {
        "center_hz": 315.0,
        "energy_dbfs": -39.742
      },
      {
        "center_hz": 400.0,
        "energy_dbfs": -43.537
      },
      {
        "center_hz": 500.0,
        "energy_dbfs": -43.665
      },
      {
        "center_hz": 630.0,
        "energy_dbfs": -39.58
      },
      {
        "center_hz": 800.0,
        "energy_dbfs": -21.403
      },
      {
        "center_hz": 1000.0,
        "energy_dbfs": -43.21
      },
      {
        "center_hz": 1250.0,
        "energy_dbfs": -21.725
      },
      {
        "center_hz": 1600.0,
        "energy_dbfs": -26.435
      },
      {
        "center_hz": 2000.0,
        "energy_dbfs": -53.41
      },
      {
        "center_hz": 2500.0,
        "energy_dbfs": -59.245
      },
      {
        "center_hz": 3150.0,
        "energy_dbfs": -59.449
      },
      {
        "center_hz": 4000.0,
        "energy_dbfs": -63.798
      },
      {
        "center_hz": 5000.0,
        "energy_dbfs": -65.665
      },
      {
        "center_hz": 6300.0,
        "energy_dbfs": -65.611
      },
      {
        "center_hz": 8000.0,
        "energy_dbfs": -67.513
      },
      {
        "center_hz": 10000.0,
        "energy_dbfs": -72.079
      },
      {
        "center_hz": 12500.0,
        "energy_dbfs": -67.55
      },
      {
        "center_hz": 16000.0,
        "energy_dbfs": -69.282
      }
    ]
  },
  "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"
  }
}