{
  "method": "Actual apizt Suno original + revised full song; local bounded crossfade replacement",
  "nativeInfillVerified": false,
  "reason": "task=infill returned a new 34-second whole-song version versus original39.48s; 200 did not prove region preservation",
  "regionSeconds": [
    18.8,
    23.3
  ],
  "revisedPhraseSeconds": [
    9.1,
    13.54
  ],
  "sampleRate": 48000,
  "originalFrames": 1895688,
  "resultFrames": 1895688,
  "beforeRegionIdentical": true,
  "afterRegionIdentical": true,
  "replacementChanged": true,
  "outputSha256": "95c319934bc2f58012b5755a9eca427025cdfa8b9083386af527140809a7de59",
  "qualityLimit": "Phrase is from a different generated rendition. Timbre, harmony and joins need listening; not seamless AI re-singing or native Suno Replace Section."
}