| 摘要 |
PROBLEM TO BE SOLVED: To simultaneously present many related contents retrieved on the basis of a keyword relating to the contents during display.SOLUTION: A caption acquisition section 201 acquires caption data included in the data of viewing contents preserved in an HDD 42 or viewing contents acquired from the outside, and a keyword extraction section 202 extracts a keyword from the caption data input from the caption acquisition section 201 and stores it in a memory 210 as keyword information. A content retrieval section 203 retrieves the relating contents on the basis of the keyword information read from the memory 210, and outputs retrieved content relating information to a content output section 204. Then, the content output section 204 outputs video signals relating to the retrieved contents to a display device 33 together with video signals relating to the viewing contents, and the display device 33 displays (presents) the images. |
