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voice frequency

   Also found in: Acronyms, Wikipedia 0.01 sec.
voice frequency [′vȯis ‚frē·kwən·sē]
(communications)
An audio frequency in the range essential for transmission of speech of commercial quality, from about 300 to 3400 hertz. Abbreviated VF. Also known as speech frequency.
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Voice frequency increases when a person is not sure about his/her statement or tells lies and in cases of other stressful situations: cheating, misleading, anger, excitement, reluctance, etc.
The Web-based Real Estate Multiple Criteria Negotiation Decision ... by Urbanavicene, Vita; Kaklauskas, Artfiras; Zavadskas, Edmundas K.; Seniut, Mark / International Journal of Strategic Property Management
The software then looks for changes in voice frequency and performs mathematical calculations to identify signs that someone could be lying.
1,200 cheats rooted out by lie detectors; BENEFITS: Voice analysis ... by Coventry Evening Telegraph (England)
A computer listens in on a telephone conversation between a claimant and officials and checks for changes in their voice frequency as they are asked questions, to determine whether they are telling the truth or not.
Lie detector in fraud fight; CAMPAIGN: Phone conversation unmasks ... by Birmingham Mail (England)
 
 
 
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