All objectives were met as the project progressed to completion. NVI is a device that will allow a person without the benefit of sight to determine where they are in a city by referencing street intersections. This information is presented to the visually impaired person via synthesized speech. NVI can accurately determine its own position by using a Global Positioning System (GPS) receiver. The GPS receiver obtains signals from at least four satellites, and from these readings it can determine the coordinates at which the receiver is positioned. This positional information is then transferred to the computer that compares this information with its internal data base of the city the person is in. The data associated with the matching street intersection is then sent out to the Intex Talker that converts the text into phonetics that are ultimately spoken to the person.
