Vehicle mounted unit, voiced conversation document production server, and navigation system utilizing the same

摘要

Navigation system includes vehicle mounted unit, voiced conversation document production server and information retrieval server, and the vehicle mounted unit produces and transmits to the server a request including recognized word and present position information acquired from a position detection part when evaluation by a driving performance evaluation part satisfies a predetermined reference, and the voiced conversation document production server searches information retrieval server using information retrieval word based on the recognized word included in the request, and buries acquired information in a voiced conversation document by voiced conversation document production part and transmits the voiced conversation document to the vehicle mounted unit, then the vehicle mounted unit analyzes voiced conversation document transmitted from the server and performs voiced conversation by voiced conversation parts and outputs result by voice synthesis part and synthesized voice output part.