“It’s a computer just like any other computer,” said deputy Jeff Duran. “But it’s the software inside that can detect stress in the voice.” Unlike a polygraph, which relies on a person’s vital signs like heart rate and blood pressure, the voice analyzer registers involuntary fluctuations in speech caused by stress, the deputies said. “This is the latest technology in truth verification,” Duran said. “As of 2013, more than 2,000 law enforcement agencies worldwide are using this for a variety of purposes: pre-employment (screenings), internal affairs, criminal investigations” and others. Read more: bit.ly/12hVzp8
Posted on: Sun, 30 Nov 2014 22:30:01 +0000
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