an interface device connected so as to communicate with a microphone for inputting a sound from outside of a vehicle, a speaker for outputting sound into the cabin of the vehicle, and a GPS sensor for identifying the current location of the vehicle based on a GPS (Global Positioning System) signal;

a storage device for storing location information which is information that includes information expressing the location, for one or each of a plurality of locations, and metadata for each location; and

a control device, connected so as to communicate with the interface device and the storage device, for identifying, from among the one or plurality of locations, a location within a predetermined range from the identified current location, and for controlling whether or not to output, through the speaker, an outside sound, inputted through the microphone, based on whether or not the metadata for the location satisfies an outside sound outputting condition or an outside sound non-outputting condition.