{
  "date": "2026-10-18",
  "title": "Mau Mau actual dissection and listening-ladder engine audio",
  "method": "Byte-exact app source copies compiled with swiftc -O -swift-version 5; deterministic synthetic mixture passed to MauMauEventDissection.split and MauMauListeningLadder.render. WAV files written by actual MauMauEventDissection.writeWAV.",
  "adaptations": [
    "New standalone main.swift supplies deterministic synthetic audio and output paths; no production DSP edits.",
    "SemanticCompute unavailable: existing Accelerate fallback compiled; not a GPU demonstration.",
    "No app journal, default app storage, playback player or classifier was instantiated."
  ],
  "input": "3 s at 48 kHz mono: 440 Hz and 3200 Hz tones, LCG-seeded noise (seed 0x534f4e494353) and three decaying noise knocks at 0.45/1.25/2.05 s; overall input normalised to -30 dBFS RMS.",
  "renderCeilingDBFS": -30,
  "sourceFiles": [
    {
      "file": "SemanticComputeBridge.swift",
      "sha256": "4b3c0b16641a84c92626fc3651367c9755dec984a4babbdce0e22e9154cef595",
      "adaptation": "none; byte-exact source copy"
    },
    {
      "file": "MedianHPSS.swift",
      "sha256": "358b8e098b9e26316c574c63509cd701f2c42a4cd91c4c1e9e7cd31e940ad593",
      "adaptation": "none; byte-exact source copy"
    },
    {
      "file": "MauMauSoundClassifier.swift",
      "sha256": "4940a57e59a3c33448b48e135e217a5177be0367323ac982dc14b021af0bdef1",
      "adaptation": "none; byte-exact source copy"
    },
    {
      "file": "MauMauEventDissection.swift",
      "sha256": "b486c6a96995410d7765d06e06969ce6adf764c67323e0b3eaffcaa8ce603037",
      "adaptation": "none; byte-exact source copy"
    },
    {
      "file": "MauMauEventIndex.swift",
      "sha256": "38d098562f34e024e91018395d794392d56281f1602df19c5b7d5eaa701437c3",
      "adaptation": "none; byte-exact source copy"
    },
    {
      "file": "MauMauLadderPlayer.swift",
      "sha256": "3dabff537d59dc106676898a424dc9df988211aa3ff0d1f41a84cf19e2465be7",
      "adaptation": "none; byte-exact source copy"
    },
    {
      "file": "MauMauListeningLadder.swift",
      "sha256": "e4274d8901935d72dda85c7a257efa23bd52a7e09a60a22ae2e67e98d37ecc46",
      "adaptation": "none; byte-exact source copy"
    },
    {
      "file": "MauMauEventCapture.swift",
      "sha256": "92b9ed801d3ae57ae991abada49e0bd5d0479b9f478c3cd4505313e5fae076e6",
      "adaptation": "none; byte-exact source copy"
    },
    {
      "file": "STFTCore.swift",
      "sha256": "a6857426cef85ec2552ac41b47ef6eb3520b8c9d5fe238f6822bef9cbdaff139",
      "adaptation": "none; byte-exact source copy"
    }
  ],
  "harnessSha256": "1ee7611f071a3a6e13d065119eba838d7160cfe8644434aa92bd4256af38ce3d",
  "results": {
    "ceilingDBFS": -30,
    "inputRMSDBFS": -30.00000012244509,
    "partsEnergyShare": {
      "clicks": 0.026932100423432963,
      "texture": 0.05432055801739107,
      "tonal": 0.918747341559176
    },
    "reconstructionErrorDB": -139.5846704066342,
    "sampleCount": 144000,
    "sampleRate": 48000,
    "semanticComputeAvailable": false,
    "takes": [
      {
        "durationSeconds": 3,
        "file": "silhouette.wav",
        "name": "Silhouette",
        "nearlyEmpty": false,
        "peakDBFS": -45.56583009757955,
        "rmsDBFS": -49.97602225190193
      },
      {
        "durationSeconds": 3,
        "file": "softened.wav",
        "name": "Softened",
        "nearlyEmpty": false,
        "peakDBFS": -35.113905870464144,
        "rmsDBFS": -41.09003538650707
      },
      {
        "durationSeconds": 3,
        "file": "closer.wav",
        "name": "Closer",
        "nearlyEmpty": false,
        "peakDBFS": -26.19346730979123,
        "rmsDBFS": -35.46964130316333
      },
      {
        "durationSeconds": 3,
        "file": "near-original.wav",
        "name": "Near-original",
        "nearlyEmpty": false,
        "peakDBFS": -15.000000078774018,
        "rmsDBFS": -30.459366577624422
      }
    ]
  },
  "audioFiles": [
    {
      "file": "synthetic-source.wav",
      "bytes": 292096,
      "sha256": "4932720e5a71245d3bdf13dba12b34d66db08ccc69024436b1b005fa56efdbdb",
      "sampleRate": 48000,
      "frames": 144000,
      "channels": 1,
      "bitDepth": 16,
      "durationSeconds": 3,
      "encodedRMSDBFS": -30.000003451014408,
      "encodedPeakDBFS": -14.575389635261384,
      "fullDecode": "passed"
    },
    {
      "file": "silhouette.wav",
      "bytes": 292096,
      "sha256": "e0a9f8c4a5525a436180c987b7206456f8057e68ae8c6f32c21af5ed70b57f12",
      "sampleRate": 48000,
      "frames": 144000,
      "channels": 1,
      "bitDepth": 16,
      "durationSeconds": 3,
      "encodedRMSDBFS": -49.97608043319508,
      "encodedPeakDBFS": -45.54807663661845,
      "fullDecode": "passed"
    },
    {
      "file": "softened.wav",
      "bytes": 292096,
      "sha256": "53939236732fa3a3bca0066f75779eab8d20de50059dc21935726c3870282dac",
      "sampleRate": 48000,
      "frames": 144000,
      "channels": 1,
      "bitDepth": 16,
      "durationSeconds": 3,
      "encodedRMSDBFS": -41.09002563032539,
      "encodedPeakDBFS": -35.11564180540175,
      "fullDecode": "passed"
    },
    {
      "file": "closer.wav",
      "bytes": 292096,
      "sha256": "00a316b7e8eed7fe352833fa7a426efab106092e0c1e2952dd143703d6c603d8",
      "sampleRate": 48000,
      "frames": 144000,
      "channels": 1,
      "bitDepth": 16,
      "durationSeconds": 3,
      "encodedRMSDBFS": -35.46964077508133,
      "encodedPeakDBFS": -26.194087880341115,
      "fullDecode": "passed"
    },
    {
      "file": "near-original.wav",
      "bytes": 292096,
      "sha256": "9eae5e3394af228bce7c8058252ab8d85d0de5b216336471eaec8011f31282df",
      "sampleRate": 48000,
      "frames": 144000,
      "channels": 1,
      "bitDepth": 16,
      "durationSeconds": 3,
      "encodedRMSDBFS": -30.459359228511435,
      "encodedPeakDBFS": -15.000098337391357,
      "fullDecode": "passed"
    }
  ],
  "limits": [
    "Offline synthetic component render, not native UI capture or live full-app acceptance.",
    "No room capture, classification, alarm policy, calibration or clinical outcome demonstrated.",
    "16-bit WAV encoding quantizes the exported audio; engine-results holds pre-encoding Float32 metrics.",
    "No listening acceptance claimed."
  ]
}