A system and method of assigning a numeric score to a voice pattern of a human subject wherein the score is indicative of the psychological stress level of the human subject. A verbal utterance of a human subject is converted into electrical signals to provide a subject wave pattern. The pattern is quantified...http://www.google.fr/patents/US7571101?utm_source=gb-gplus-shareBrevet US7571101 - Quantifying psychological stress levels using voice patterns
Quantifying psychological stress levels using voice patterns