Voice Stress Analysis application from Truth & Deception Technologies was originally used in determining attempts at deception in law enforcement activities. In the world today you may hear the words "lie detector" in reference to this type of technology. This type of technology actually detects deception in the human voice. Subsequently it's advanced user friendly capabilities found additional applications in determining deception in arson, counter narcotics, insurance fraud, employment screening, private investigation, anti-terrorism, interrogation, covert counter intelligence and the like. The DecepTech(tm) Voice Stress Analysis instrumentation is the most technically advanced digital Voice Stress Analysis system that has been produced. Our instrumentation is designed to detect, process and display changes in the physiological "Micro - tremor of Lippold" in human speech.