| 摘要 |
A video playing device includes a classification unit 121 classifying a video or a video section to be played according to a degree of user's necessary concentration on a video, a user's concentration derivation unit 140 calculating a degree of user's concentration on the video, a video selection unit 122 selecting the video or the video section to be played based on a classification result and the degree of user's concentration on the video, and a video playing unit 130 playing the video or the video section selected by the video selection unit, and operates so as to preferentially playing videos or video sections which the degree of user's concentration necessary to watch the each video or the each video section is lower than the current degree of user's concentration on a video.
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