Voice Risk Analysis

Voice Risk Analysis

The Voice Risk Analysis or VRA is a lie detection technology developed by [http://www.digiloguk.com/ Digilog] . It works by detecting the changes in the voice of the subject when he is lying. It will be used by the London Borough of Harrow council during one year to test its reliability fighting benefit claim frauds [http://news.bbc.co.uk/2/hi/uk_news/6528425.stm] .

VRA technology works by measuring slight, inaudible fluctuations in the human voice known as 'micro-tremors' that indicate when a speaker delivers words under stress, and when those moments of stress are generated by an attempt to deceive. Voice patterns are analysed and displayed on a computer.


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