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Index/Topics/Electric Network Frequency (ENF) Analysis

Electric Network Frequency (ENF) Analysis

A technique used to confirm recording times and detect edits in audio recordings.

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Jan 16, 2026

What forensic audio-authentication techniques do journalists use to verify viral recordings?

Journalists verifying viral audio rely on a mix of newsroom verification, human listening and specialized forensic techniques—starting with provenance and chain-of-custody checks and extending to spec...

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