Tl;dr: Electrical network frequency analysis involves analysing the frequency of recorded mains hum to verify the time a recording was made, and that it has not been edited. This piece expresses concern that it could be fooled using readily available computer equipment, and makes a suggestion as to how that might be prevented.
Electrical network frequency analysis has been in the news
Tuesday, 18 December 2012
Why electrical network frequency analysis might be unsafe to trust in court
Posted on 08:30 by Unknown
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