A current Homeland Security Research Project in the US is designed to prevent terror by analyzing human voice and other biometric parameters. Scientists are trying to find out which kind of high-end technology is ideal to identify individuals with terrorist background. Nervosity does change the voice even if not recognized by people, but by machines. This helps us to prevent terror, says Bob Burns, deputy head of the research agency. He has already spent 20 million US Dollars and is observing all field of biometrics.
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