| 摘要 |
In a television receiver having a function of picture-in-picture, a character caption on a sub-screen is displayed at an easy-to-see position to enable the content of the sub-screen to be easily understood while looking at the main screen, wherein when either one or multiple sub-screens are displayed in the main screen, the character caption corresponding to the displayed sub-screen is displayed at a proper position to the main screen or on a position displaced from the main screen, it may also be displayed with a character having a shade or displayed with a blanched character or the like, thereby even while watching the main screen, the content of the sub-screen projected may easily be understand through the character caption.
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