| 摘要 |
PROBLEM TO BE SOLVED: To display captions in synchronization with the video and audio even in a case where information for displaying captions is not contained in television broadcast. SOLUTION: A television receiver includes: a playback unit 41 which receives a broadcast wave of television broadcast containing video signals, audio signals and caption information and delays by a predetermined time and plays back the video signals and the audio signals contained in the broadcast wave of the television broadcast; a character recognizing unit 23 which extracts character information from the video signals; an audio recognizing unit 25 which extracts character information from the audio signals; and a determination unit 27 which determines timing to display the caption information according to a correlation of the caption information and the extracted character information. COPYRIGHT: (C)2009,JPO&INPIT
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