{
  "$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": 0.223375,
    "sample_rate_hz": 48000
  },
  "file": {
    "bits_per_sample": 24,
    "byte_size": 65588,
    "codec_long_name": "PCM signed 24-bit little-endian",
    "codec_name": "pcm_s24le",
    "container_format": "wav",
    "extension": ".wav",
    "sample_format": "s32"
  },
  "levels": {
    "active_segment": {
      "duration_seconds": 0.2,
      "end_seconds": 0.2,
      "leading_silence_seconds": 0.0,
      "rms_dbfs": -17.287,
      "start_seconds": 0.0,
      "threshold_dbfs": -53.085,
      "trailing_silence_seconds": 0.023375
    },
    "channels": [
      {
        "index": 0,
        "rms_dbfs": -17.767,
        "sample_peak_dbfs": -6.0
      },
      {
        "index": 1,
        "rms_dbfs": -17.767,
        "sample_peak_dbfs": -6.0
      }
    ],
    "rms_dbfs": -17.767,
    "rms_envelope": {
      "frame_duration_seconds": 0.01,
      "maximum_point_count": 400,
      "method": "non-overlapping channel-combined RMS frames",
      "points": [
        {
          "rms_dbfs": -13.085,
          "time_seconds": 0.005
        },
        {
          "rms_dbfs": -14.754,
          "time_seconds": 0.015
        },
        {
          "rms_dbfs": -16.989,
          "time_seconds": 0.025
        },
        {
          "rms_dbfs": -19.329,
          "time_seconds": 0.035
        },
        {
          "rms_dbfs": -22.301,
          "time_seconds": 0.045
        },
        {
          "rms_dbfs": -26.287,
          "time_seconds": 0.055
        },
        {
          "rms_dbfs": -14.271,
          "time_seconds": 0.065
        },
        {
          "rms_dbfs": -14.168,
          "time_seconds": 0.075
        },
        {
          "rms_dbfs": -16.17,
          "time_seconds": 0.085
        },
        {
          "rms_dbfs": -18.513,
          "time_seconds": 0.095
        },
        {
          "rms_dbfs": -21.347,
          "time_seconds": 0.105
        },
        {
          "rms_dbfs": -24.758,
          "time_seconds": 0.115
        },
        {
          "rms_dbfs": -15.89,
          "time_seconds": 0.125
        },
        {
          "rms_dbfs": -13.652,
          "time_seconds": 0.135
        },
        {
          "rms_dbfs": -15.696,
          "time_seconds": 0.145
        },
        {
          "rms_dbfs": -17.918,
          "time_seconds": 0.155
        },
        {
          "rms_dbfs": -20.644,
          "time_seconds": 0.165
        },
        {
          "rms_dbfs": -23.877,
          "time_seconds": 0.175
        },
        {
          "rms_dbfs": -28.407,
          "time_seconds": 0.185
        },
        {
          "rms_dbfs": -36.258,
          "time_seconds": 0.195
        },
        {
          "rms_dbfs": -61.129,
          "time_seconds": 0.205
        },
        {
          "rms_dbfs": -138.135,
          "time_seconds": 0.215
        },
        {
          "rms_dbfs": -138.569,
          "time_seconds": 0.221688
        }
      ]
    },
    "sample_crest_factor_db": 11.767,
    "sample_peak_dbfs": -6.0,
    "true_peak_crest_factor_db": 11.767
  },
  "loudness": {
    "integrated_lufs": -18.0,
    "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": "dd04bd9229e637dfcfee3c6b9cab8905e644b3c9a78b0c9d6eff8848e737264c",
  "spectrum": {
    "broad_band_energy_dbfs": {
      "high_5000_10000_hz": -58.58,
      "low_80_200_hz": -62.792,
      "low_mid_200_500_hz": -40.888,
      "mid_500_2000_hz": -17.716,
      "presence_2000_5000_hz": -53.122,
      "sub_20_80_hz": -80.868
    },
    "method": "Welch PSD, Hann window, 4096-sample maximum segment",
    "peak_frequency_hz": 1570.312,
    "spectral_centroid_hz": 1347.475,
    "speech_band_200_8000_hz_energy_percent": 99.992,
    "third_octave_band_energy_dbfs": [
      {
        "center_hz": 25.0,
        "energy_dbfs": -89.835
      },
      {
        "center_hz": 31.5,
        "energy_dbfs": -90.285
      },
      {
        "center_hz": 40.0,
        "energy_dbfs": -88.562
      },
      {
        "center_hz": 50.0,
        "energy_dbfs": -86.775
      },
      {
        "center_hz": 63.0,
        "energy_dbfs": -86.33
      },
      {
        "center_hz": 80.0,
        "energy_dbfs": -81.078
      },
      {
        "center_hz": 100.0,
        "energy_dbfs": -81.79
      },
      {
        "center_hz": 125.0,
        "energy_dbfs": -77.187
      },
      {
        "center_hz": 160.0,
        "energy_dbfs": -68.255
      },
      {
        "center_hz": 200.0,
        "energy_dbfs": -61.501
      },
      {
        "center_hz": 250.0,
        "energy_dbfs": -57.589
      },
      {
        "center_hz": 315.0,
        "energy_dbfs": -50.347
      },
      {
        "center_hz": 400.0,
        "energy_dbfs": -44.844
      },
      {
        "center_hz": 500.0,
        "energy_dbfs": -40.937
      },
      {
        "center_hz": 630.0,
        "energy_dbfs": -39.467
      },
      {
        "center_hz": 800.0,
        "energy_dbfs": -26.516
      },
      {
        "center_hz": 1000.0,
        "energy_dbfs": -44.576
      },
      {
        "center_hz": 1250.0,
        "energy_dbfs": -21.598
      },
      {
        "center_hz": 1600.0,
        "energy_dbfs": -21.259
      },
      {
        "center_hz": 2000.0,
        "energy_dbfs": -46.223
      },
      {
        "center_hz": 2500.0,
        "energy_dbfs": -60.7
      },
      {
        "center_hz": 3150.0,
        "energy_dbfs": -60.327
      },
      {
        "center_hz": 4000.0,
        "energy_dbfs": -61.547
      },
      {
        "center_hz": 5000.0,
        "energy_dbfs": -60.963
      },
      {
        "center_hz": 6300.0,
        "energy_dbfs": -62.472
      },
      {
        "center_hz": 8000.0,
        "energy_dbfs": -65.792
      },
      {
        "center_hz": 10000.0,
        "energy_dbfs": -68.289
      },
      {
        "center_hz": 12500.0,
        "energy_dbfs": -67.862
      },
      {
        "center_hz": 16000.0,
        "energy_dbfs": -67.391
      }
    ]
  },
  "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"
  }
}