Video: DINOv2 spectral HF + codec-response fingerprint + TDA/MMD ensemble. Audio: A04 + A02 ladder + AAC64 post. Drop video or use Audio tab.
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VIDEO ORACLE SURFACES (frame spectral / residual analysis)
Forensic signal topology
live embedding of measured surfaces โ ensemble decision
supports realanomalousensemble
Ensemble Decision
Fingerprint (primary)โ
TDA/MMD (fallback)โ
Final verdictโ
Sub-1Hz drift Shake 2โ10Hz HF noise โฅ12Hz
Original vs after AAC-64k
Key A04 metrics โ blue = original extract, amber = re-encode probe
Original Post AAC-64k
Silence PSD (log freq)
Quiet-frame spectrum before vs after compression โ brown beds tilt low; white beds stay flat
Original Post AAC-64k
Compression ladder
Encoded sizes + residual RMSE โ real mic noise resists cheap codecs
Signal: real cameras produce high-frequency temporal noise (>12Hz) from sensor readout and compression. AI generators produce only smooth low-frequency drift.