Tag «NITV»

CVSA Manufacturer Admits Device Cannot Detect Lies!

John Tuohy reports for the Indianapolis Star in an article titled, “Voice analyzers draw praise, flak.” Excerpt: Police departments across Indiana and the country are spending thousands of dollars apiece on a truth verification device that some scientists say doesn’t work. The Computer Voice Stress Analyzer, designed by a former Indianapolis Police Department officer, claims …

Canada: “Lie Detector ‘Useful Interrogation Prop'”

Canada.com reports: VANCOUVER (CP) – Lie detector technology less costly than controversial polygraphs is catching on among smaller Canadian police forces, scaring some doctors who say it’s even less reliable. The computerized voice stress analyser (CVSA), which purports to pick up tremors in the voice when a person is lying, “isn’t more than 50 per …

“Case Underscores Pitfalls of Voice Analysis”

Staff writer Steven Mayer of the Bakersfield Californian reports. Excerpt: When Escondido police questioned 14-year-old Michael Crowe in the days following the 1998 stabbing death of his 12-year-old sister, investigators used a Computer Voice Stress Analyzer during the interrogation. The analyzer — a lie detector of sorts used by an estimated 1,300 police agencies in …

“Glynn County Police Like Voice Stress Lie Detector; Others Not So Sure

The Associated Press reports on Glynn County, Georgia’s use of and professed belief in “Computer Voice Stress Analysis” (CVSA). Excerpt: BRUNSWICK, Ga. — Glynn County police have become true believers in a new sort of lie detector that analyzes stress in a suspect’s voice, but other police departments are not convinced. The Computer Voice Stress …

“Police Using Voice Stress Analysis to Detect Lies”

Associated Press writer Michael Rubinkam reports on the pseudoscience of voice stress analysis. Excerpt: PHILADELPHIA (AP) — Police want to know if a suspect is lying, but the polygraph test comes back inconclusive. What’s an exasperated interrogator to do? Increasingly, law enforcement agencies are using a technology that measures “voice stress” — small frequency modulations …

“Vocal Stress Can Betray You in a Lie”

Julie Novak uncritically reports on Computerized Voice Stress Analysis in this single-source Narragansett Times article. Excerpt: NARRAGANSETT – If you want to tell a lie, don’t tell it to Narragansett Police Lt. Vincent Carlone. The department’s head of detectives has learned how to analyze vocal stress, and with the assistance of a laptop computer he’s …

“Police Use of Voice Stress Analysis Generates Controversy”

Margie Wylie reports for the Newhouse News Service in a well-researched article on CVSA. Excerpt: Police departments across the country are buying the controversial Computer Voice Stress Analyzer, which its manufacturer claims can tell when a person is lying merely by the sound of his voice. When a suspect speaks, a computer program “listens” for …