Voice Stress Analysis
Voice Stress Analysis
Introduction
Voice Stress Analysis (VSA) is a technology that can help in recording the psychophysiological stress responses in the human voice, especially in conditions when the person is in psychological stress due to some external stimulus, such as questions, and consequences related to the answer could be highly undesirable for subject under trial.
Lie detection is one of the most important procedures in identifying the deceptive mind. Many theories have been presented about lie detection throughout the history. In the police interrogation, “gut reaction” is considered as an important tool to identify whether the person is telling the ...