BROADCAST SIGNAL RECEIVING DEVICE, AND ADVERTISEMENT REPLACEMENT DEVICE, METHOD AND SYSTEM

摘要

Provided are a broadcast signal receiving device and a broadcast signal receiving method. The CM that is inserted into a broadcast program received by the broadcast signal receiving device is replaced with an appropriate addressable advertisement (replacement CM) and displayed. The broadcast signal receiving device in this embodiment receives a program transmitted by a broadcast signal and is connected to a server. The broadcast signal receiving device comprises: a display part for displaying a program; and a control part for acquiring a first broadcast start time and a first broadcast time length or a first broadcast start time and a first broadcast end time of a first advertisement of the program, and a second advertisement with a second broadcast time length. When the second broadcast time length of the second advertisement is consistent with the first broadcast time length or the difference between the first broadcast start time and the first broadcast end time, the control portion enables the second advertisement to be displayed.