#electricalnetworkfrequency#enfanalysis#audioforensics
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Beginner. No background in the topic needed.
5.8M views4 years ago3 recommendations
SecurityComputer scienceCryptographyPrivacy and surveillance
Tom Scott explains how Electrical Network Frequency analysis uses background power grid hum in audio recordings to determine when and where they were made.
Electrical Network Frequency analysis, ENF analysis, matches background hum against power grid logs. I talked to one of the researchers who works on it, and also set them a challenge. Thanks to @answerinprogress, @hannahwitton and @SteveMould! 🟥 MORE FROM TOM: tomscott.com/ (you can find contact details and social links there too) ❓ LATERAL, free weekly podcast: lateralcast.com/ youtube.com/lateralcast/ 👥 THE TECHNICAL DIFFICULTIES: youtube.com/techdifWhat people say. Recommended as an accessible and clear explanation of how mains hum forensics can date and locate audio recordings.
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