Methods and apparatus for providing voice guidance in a vehicle navigation system

摘要

Methods and apparatus are described for providing route guidance to a user of a vehicle navigation system. In response to selection of a destination by the user, a route is generated from a first position to the destination. The route includes a plurality of maneuvers. A plurality of maneuver instructions are generated corresponding to the plurality of maneuvers. An audio representation of each of the maneuver instructions is presented prior to execution of a corresponding one of the maneuvers. In response to a first signal generated when the vehicle is at a first location on the route, all remaining maneuver instructions corresponding to maneuvers on the route after the first location are sequentially presented. According to another embodiment, a most recently presented maneuver instruction is presented in response to the first signal. According to yet another embodiment, the audio level associated with at least one instruction is adjusted in response to the first signal. According to still another embodiment, the audio representation of selected maneuver instructions includes the associated street name.