An electronic device may comprise: a sensing unit for acquiring image data and sensing an object and a user; an output unit for outputting audio; and a processor for receiving image data from the sensing unit, rendering information on a space from the image data to generate space information, recognizing the object in the space and mapping the object to the space information, recognizing the user in the space, and controlling the output unit on the basis of position information of the object and the user when a notification associated with the object occurs.