To enable a user to play a predetermined amusement or receive merits of ease of use for setting and high functionality by displaying appropriate image information when receiving an audio broadcast in a mobile terminal device including a function for receiving a mobile broadcast or the like.

The mobile terminal device is characterized in that a broadcast signal mainly consisting of either information of video, audio or data is partially received, either one of information of video, audio or data of a predetermined channel through tuning operation for selecting the predetermined channel out of the partially received broadcast signal is modulated, and the stored video or data information other than the video or data information of the predetermined channel is selected when it is determined that the information modulated by the predetermined channel mainly consists of audio information.