{
  "$schema": "../schemas/asset.schema.json",
  "analysis_profile": "notification-sound-db-bs1770-v2",
  "analyzed_at": "2026-08-09T06:27:30Z",
  "audio": {
    "channel_count": 2,
    "channel_layout": "stereo",
    "duration_seconds": 0.417959,
    "sample_rate_hz": 44100
  },
  "file": {
    "bits_per_sample": null,
    "byte_size": 12455,
    "codec_long_name": "MP3 (MPEG audio layer 3)",
    "codec_name": "mp3",
    "container_format": "mp3",
    "extension": ".mp3",
    "sample_format": "fltp"
  },
  "levels": {
    "active_segment": {
      "duration_seconds": 0.33,
      "end_seconds": 0.37,
      "leading_silence_seconds": 0.04,
      "rms_dbfs": -29.059,
      "start_seconds": 0.04,
      "threshold_dbfs": -59.756,
      "trailing_silence_seconds": 0.047959
    },
    "channels": [
      {
        "index": 0,
        "rms_dbfs": -30.085,
        "sample_peak_dbfs": -10.494
      },
      {
        "index": 1,
        "rms_dbfs": -30.085,
        "sample_peak_dbfs": -10.494
      }
    ],
    "rms_dbfs": -30.085,
    "rms_envelope": {
      "frame_duration_seconds": 0.01,
      "maximum_point_count": 400,
      "method": "non-overlapping channel-combined RMS frames",
      "points": [
        {
          "rms_dbfs": -106.489,
          "time_seconds": 0.005
        },
        {
          "rms_dbfs": -93.784,
          "time_seconds": 0.015
        },
        {
          "rms_dbfs": -71.658,
          "time_seconds": 0.025
        },
        {
          "rms_dbfs": -60.226,
          "time_seconds": 0.035
        },
        {
          "rms_dbfs": -49.667,
          "time_seconds": 0.045
        },
        {
          "rms_dbfs": -42.947,
          "time_seconds": 0.055
        },
        {
          "rms_dbfs": -43.77,
          "time_seconds": 0.065
        },
        {
          "rms_dbfs": -37.606,
          "time_seconds": 0.075
        },
        {
          "rms_dbfs": -23.969,
          "time_seconds": 0.085
        },
        {
          "rms_dbfs": -38.69,
          "time_seconds": 0.095
        },
        {
          "rms_dbfs": -44.812,
          "time_seconds": 0.105
        },
        {
          "rms_dbfs": -52.463,
          "time_seconds": 0.115
        },
        {
          "rms_dbfs": -58.806,
          "time_seconds": 0.125
        },
        {
          "rms_dbfs": -35.31,
          "time_seconds": 0.135
        },
        {
          "rms_dbfs": -29.296,
          "time_seconds": 0.145
        },
        {
          "rms_dbfs": -30.359,
          "time_seconds": 0.155
        },
        {
          "rms_dbfs": -19.756,
          "time_seconds": 0.165
        },
        {
          "rms_dbfs": -23.443,
          "time_seconds": 0.175
        },
        {
          "rms_dbfs": -25.158,
          "time_seconds": 0.185
        },
        {
          "rms_dbfs": -24.749,
          "time_seconds": 0.195
        },
        {
          "rms_dbfs": -27.119,
          "time_seconds": 0.205
        },
        {
          "rms_dbfs": -25.194,
          "time_seconds": 0.215
        },
        {
          "rms_dbfs": -25.817,
          "time_seconds": 0.225
        },
        {
          "rms_dbfs": -27.741,
          "time_seconds": 0.235
        },
        {
          "rms_dbfs": -27.643,
          "time_seconds": 0.245
        },
        {
          "rms_dbfs": -31.367,
          "time_seconds": 0.255
        },
        {
          "rms_dbfs": -36.052,
          "time_seconds": 0.265
        },
        {
          "rms_dbfs": -35.461,
          "time_seconds": 0.275
        },
        {
          "rms_dbfs": -36.991,
          "time_seconds": 0.285
        },
        {
          "rms_dbfs": -43.498,
          "time_seconds": 0.295
        },
        {
          "rms_dbfs": -42.039,
          "time_seconds": 0.305
        },
        {
          "rms_dbfs": -45.463,
          "time_seconds": 0.315
        },
        {
          "rms_dbfs": -46.521,
          "time_seconds": 0.325
        },
        {
          "rms_dbfs": -51.687,
          "time_seconds": 0.335
        },
        {
          "rms_dbfs": -55.197,
          "time_seconds": 0.345
        },
        {
          "rms_dbfs": -52.967,
          "time_seconds": 0.355
        },
        {
          "rms_dbfs": -57.989,
          "time_seconds": 0.365
        },
        {
          "rms_dbfs": -89.857,
          "time_seconds": 0.375
        },
        {
          "rms_dbfs": -96.068,
          "time_seconds": 0.385
        },
        {
          "rms_dbfs": -101.869,
          "time_seconds": 0.395
        },
        {
          "rms_dbfs": -107.341,
          "time_seconds": 0.405
        },
        {
          "rms_dbfs": -112.245,
          "time_seconds": 0.41398
        }
      ]
    },
    "sample_crest_factor_db": 19.591,
    "sample_peak_dbfs": -10.494,
    "true_peak_crest_factor_db": 21.185
  },
  "loudness": {
    "integrated_lufs": -27.9,
    "loudness_range_lu": null,
    "maximum_momentary_lufs": -26.3,
    "maximum_short_term_lufs": null,
    "momentary_window_seconds": 0.4,
    "notes": [
      "silent_tail_added_for_meter_settling",
      "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": -8.9
  },
  "schema_version": "1.1.0",
  "sha256": "1ce9b91aab655a121287a1eab639bbf1393cb1c5ee8678261c36b85eb50b99c6",
  "spectrum": {
    "broad_band_energy_dbfs": {
      "high_5000_10000_hz": -45.169,
      "low_80_200_hz": -68.175,
      "low_mid_200_500_hz": -69.642,
      "mid_500_2000_hz": -30.305,
      "presence_2000_5000_hz": -46.419,
      "sub_20_80_hz": -68.646
    },
    "method": "Welch PSD, Hann window, 4096-sample maximum segment",
    "peak_frequency_hz": 1173.56,
    "spectral_centroid_hz": 2159.552,
    "speech_band_200_8000_hz_energy_percent": 92.145,
    "third_octave_band_energy_dbfs": [
      {
        "center_hz": 25.0,
        "energy_dbfs": -88.384
      },
      {
        "center_hz": 31.5,
        "energy_dbfs": -84.668
      },
      {
        "center_hz": 40.0,
        "energy_dbfs": -79.44
      },
      {
        "center_hz": 50.0,
        "energy_dbfs": -75.881
      },
      {
        "center_hz": 63.0,
        "energy_dbfs": -71.512
      },
      {
        "center_hz": 80.0,
        "energy_dbfs": -71.073
      },
      {
        "center_hz": 100.0,
        "energy_dbfs": -75.262
      },
      {
        "center_hz": 125.0,
        "energy_dbfs": -75.835
      },
      {
        "center_hz": 160.0,
        "energy_dbfs": -83.174
      },
      {
        "center_hz": 200.0,
        "energy_dbfs": -79.684
      },
      {
        "center_hz": 250.0,
        "energy_dbfs": -75.752
      },
      {
        "center_hz": 315.0,
        "energy_dbfs": -81.439
      },
      {
        "center_hz": 400.0,
        "energy_dbfs": -73.769
      },
      {
        "center_hz": 500.0,
        "energy_dbfs": -67.148
      },
      {
        "center_hz": 630.0,
        "energy_dbfs": -45.235
      },
      {
        "center_hz": 800.0,
        "energy_dbfs": -43.901
      },
      {
        "center_hz": 1000.0,
        "energy_dbfs": -32.222
      },
      {
        "center_hz": 1250.0,
        "energy_dbfs": -36.196
      },
      {
        "center_hz": 1600.0,
        "energy_dbfs": -55.226
      },
      {
        "center_hz": 2000.0,
        "energy_dbfs": -55.592
      },
      {
        "center_hz": 2500.0,
        "energy_dbfs": -55.187
      },
      {
        "center_hz": 3150.0,
        "energy_dbfs": -54.205
      },
      {
        "center_hz": 4000.0,
        "energy_dbfs": -50.211
      },
      {
        "center_hz": 5000.0,
        "energy_dbfs": -50.858
      },
      {
        "center_hz": 6300.0,
        "energy_dbfs": -49.473
      },
      {
        "center_hz": 8000.0,
        "energy_dbfs": -49.307
      },
      {
        "center_hz": 10000.0,
        "energy_dbfs": -50.397
      },
      {
        "center_hz": 12500.0,
        "energy_dbfs": -45.528
      },
      {
        "center_hz": 16000.0,
        "energy_dbfs": -44.856
      }
    ]
  },
  "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"
  }
}
