Police Can Timestamp Any Audio Recording From Background Interference Alone

A team of forensic researchers from the Metropolitan Police in London, UK, claim to be able to accurately timestamp any audio recording—using just the background electrical hum present in any digital recording. More »

Source: http://feeds.gawker.com/~r/gizmodo/full/~3/O0kY2MQdTnA/police-can-timestamp-any-audio-recording-from-background-interference-alone

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