In a digital television broadcast signal receiver (TV receiver), when closed caption information of digital TV (DTV-CC) is detected, a DTV-CC logo (first annunciation image) 31 is displayed with superimposing on an image of TV program for announcing that the DTV-CC is included in the digital TV signal, and when closed caption information of NTSC (NTSC-CC) is detected, an NTSC-CC logo (second annunciation image) 32 is displayed with superimposing on the image of TV program for announcing that the NTSC-CC is included in the digital TV signal. Thus, a user can easily recognize whether the DTV-CC and/or NTSC-CC are/is included in the digital TV signal or not.