| 摘要 |
A method of updating additional data, and an apparatus for reproducing the same, the method includes: downloading the additional data, which includes clip information and a clip stream that can be reproduced concurrently with a play item of the Audio Visual (AV) data; referring to the clip information and updating reproduction information of the play item; and reproducing the clip stream in synchronization with a current reproduction time of the main video stream of the play item, by using to the updated reproduction information.
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