Approved by the International Association of Certified Voice Stress Analysts (IACVSA), the Vagosympathetic Instrument Processor for Re-Active Stress Examinations, or "VIPRE" System, manufactured by VIPRE Systems LLC, was designed and built under the direct supervision of retired law enforcement and ex-military professionals.--The VIPRE, (Vagosympathetic Instrument Processor for Re-Active Stress Examinations) manufactured by VIPRE Systems LLC is a technologically advanced voice stress analyzer for VIPRE system, training and training providers and is approved by the International Association of Certified Voice Stress Analysts (IACVSA).