by NITV Federal Services | Feb 28, 2018 | Research and Scientific Studies
In the field of law enforcement, voice stress analysis technology such as the Computer Voice Stress Analyzer (CVSA ®) is used in a range of applications, including criminal investigations, employment interviews, and immigration investigations. The CVSA detects changes...
by NITV Federal Services | Jul 7, 2017 | Research and Scientific Studies
How Did the Chapman Study Demonstrate Voice Stress Analysis Validity for Law Enforcement? In 2012, Professor Emeritus James Chapman conducted a retrospective analysis regarding the use of voice stress analysis (VSA) in law enforcement settings. As the Former Director...
by NITV Federal Services | Jul 6, 2017 | Research and Scientific Studies
Prioritizing Emergency Calls: How Can Dispatchers Use Voice Stress Analysis? The Computer Voice Stress Analyzer (CVSA®) has shown great value as a tool for law enforcement professionals to detect deception. It is commonly used to help solve criminal cases, screen job...
by NITV Federal Services | Jul 5, 2017 | Research and Scientific Studies
Diagnosing Speech Disorders: Can Voice Stress Analysis be Used in the Medical Field? Although Computer Voice Stress Analysis (CVSA) is most commonly used to interview suspects and witnesses in criminal investigations, the technology’s ability to identify vocal tremors...
by NITV Federal Services | Jul 5, 2017 | Research and Scientific Studies
How is Voice Stress Analysis Technology Viewed in the Law Enforcement Community? In the mid-2000’s, the Department of Defense set out to conduct a qualitative study to investigate the validity and reliability of voice stress analysis (VSA) technology in a military...
by NITV Federal Services | Jul 4, 2017 | Research and Scientific Studies
What are the Benefits of Voice Stress Analysis for Law Enforcement? In August 2002, Dr. Hugh Wilson Ridelhuber and Dr. Patrick Flood submitted a policy review to the Law Enforcement Executive Forum to demonstrate the validity of the Computer Voice Stress Analyzer...
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