Portable Voice Lie Detector
Portable Voice Lie Detector is the first hand-held voice tension detector. The device utilizes voice tension technology to measure varying degrees...
Portable Voice Lie Detector is the first hand-held voice tension detector. The device utilizes voice tension technology to measure varying degrees of vibration in the voice. These vibrations are caused by the user going from a state of calm, to being a little nervous as you would when you lie. Read the rest of this entry »
