| 摘要 |
A caption control apparatus and method for use with video apparatus such as a television, video cassette recorder, and a set-top box, is provided. In order to solve the problem that a caption overlapping an image lowers concentration degree and the efficiency of language study, the caption control apparatus and method displays only a caption signal in a caption-dedicated mode (an image blank mode) by blanking out an image. The caption control apparatus includes a synchronization signal separation unit, a key input unit for selecting a caption-on mode, caption-off mode or a caption-dedicated mode, a blank image signal generation unit, a caption data extraction unit, a control unit, a caption signal generation unit, and a switching unit so that, in the caption-on mode, an image signal overlapped by a caption signal is output and, in the caption-dedicated mode, a blank signal overlapped by a caption signal is output. The caption control apparatus and method can enhance readability and raise the effect of language study. |
