A broadcast receiving device (100, 100i) configured to receive a digital broadcast service, wherein the broadcast receiving device (100, 100i) is capable of executing an application in cooperation with a broadcast program, the broadcast receiving device (100, 100i) comprising: a broadcast receiving unit configured to receive a broadcast wave of the digital broadcast service; a separation unit configured to separate at least video information of a broadcast program and application-related information from the received broadcast wave; a broadcast video decoding unit configured to decode the video information of the broadcast program; an application acquisition unit configured to acquire a predetermined application on the basis of location information acquired by referring to the application-related information; an application execution unit configured to execute the acquired predetermined application to acquire additional data from a predetermined server device via a network; a video conversion unit (171, 171i) configured to convert the broadcast program video decoded by the broadcast video decoding unit into a video having a higher frame-rate than the former video by a converting process selected from a plurality of processes including a first process using the additional data acquired by the application execution unit, and a second process using a frame created in the broadcast receiving device (100, 100i) based on motion information calculated in the broadcast receiving device (100, 100i); a display unit capable of displaying the video having the higher frame-rate than the former video, which was converted by the video conversion unit (171, 171i), and a controller capable of controlling the video conversion unit (171, 171i), wherein, in the first process, both of the broadcast program video and the additional data are generated from the same video information before broadcasting, and wherein the controller is configured to select the second process as the converting process where network traffic is congested between the broadcast receiving device and the predetermined server device, and to select the first process as the converting process where network traffic is not congested between the broadcast receiving device and the predetermined server device. a broadcast receiving unit configured to receive a broadcast wave of the digital broadcast service; a separation unit configured to separate at least video information of a broadcast program and application-related information from the received broadcast wave; a broadcast video decoding unit configured to decode the video information of the broadcast program; an application acquisition unit configured to acquire a predetermined application on the basis of location information acquired by referring to the application-related information; an application execution unit configured to execute the acquired predetermined application to acquire additional data from a predetermined server device via a network; a video conversion unit (171, 171i) configured to convert the broadcast program video decoded by the broadcast video decoding unit into a video having a higher frame-rate than the former video by a converting process selected from a plurality of processes including a first process using the additional data acquired by the application execution unit, and a second process using a frame created in the broadcast receiving device (100, 100i) based on motion information calculated in the broadcast receiving device (100, 100i); a display unit capable of displaying the video having the higher frame-rate than the former video, which was converted by the video conversion unit (171, 171i), and a controller capable of controlling the video conversion unit (171, 171i), wherein, in the first process, both of the broadcast program video and the additional data are generated from the same video information before broadcasting, and wherein the controller is configured to select the second process as the converting process where network traffic is congested between the broadcast receiving device and the predetermined server device, and to select the first process as the converting process where network traffic is not congested between the broadcast receiving device and the predetermined server device.