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PIVOT, a physics-grounded AIGC detector instantiated here for audio-video clips, that estimates physical quantities from video and audio, selects physical laws relevant to each clip, and verifies their measurable constraints, demonstrates the practical promise of physical-consistency verification as a structured and inspectable source of evidence that complements artifact-based AIGC detection.
AI-generated sounds can be distinguished from real ones with high accuracy by analyzing decay-region group delay, revealing a critical forensic cue in audio forensics.
