| 摘要 |
When a subtitle is transmitted as a text file, there may be a problem in that the displayed subtitle is broken to be illegible when the format of the subtitle including a language, a font, and the like are not supported by an operating system installed on a wired or wireless terminal receiving and outputting the video and the subtitle. In the present invention, by using a sub-picture file functioning as a subtitle including an image additionally output together with the video and a synchronization signal indicating time when the image is output in relation with the video, there are advantages in that a subtitle is prevented from being improperly displayed due to a difference in operating systems of each terminal and that a music note, a picture, and the like along with a text can be represented in the subtitle. |
