| 摘要 |
A digital broadcast receiver includes a subtitle monitoring unit 21 for continuously monitoring as to whether a received signal obtained by receiving a digital broadcast contains subtitles or not; a subtitle analyzing unit 22 for analyzing, when the monitoring detects that the subtitles are contained, the subtitles to generate subtitle information; an external image input unit 11 for receiving an external image from outside; a video layout unit 24 for deciding, as to the external image and a subtitle presenting image generated from the subtitle information, display size and display position of each of the subtitle presenting image and the external image in such a manner as to avoid overlaps between them; a graphics creating unit 23 for creating from the subtitle information the subtitle presenting image conforming to the decision made by the video layout unit; and a video synthesizing unit 23 for combining the subtitle presenting image created and the external image, and displays a synthesized image.
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