| 摘要 |
The present invention relates to an apparatus, a method and a computer program product for automatically inserting advertisements into a media stream, wherein subscription information which specifies categories of advertisements to be scheduled for insertion is stored and a category of a target advertisement is determined. Based on the result of the determination those advertisements of a stored list of scheduled advertisements, which according to their subscription information are subscribed to the determined category, are triggered and subjected to a predetermined modification processing selected based on the result of the determination.
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