INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING SYSTEM, PORTABLE TERMINAL, CONTROL METHOD THEREOF AND PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide additional information by simply presenting information useful to a user in the world of augmented reality.SOLUTION: A navigation device provided with an imaging part communicable with an information processing device for storing and managing voice file information including vector information indicating the directivity of a voice file to be reproduced on a map includes: transmission means for transmitting current location information acquired by a location information acquisition part; photographing screen display means for starting up the imaging part to display a photographing screen on a display part; acquisition means for acquiring vector information included in a voice file reproducible around the current location information on the navigation device from the information processing device which has transmitted the current location information by the transmission means; first determination means for determining whether to be displayable on the display part by using the directivity of the vector information included in the voice file; and display means for displaying the vector information on the photographing screen in the case that the first determination means determines that the vector information can be displayed on the display part.SELECTED DRAWING: Figure 1