본 논문에서는 MPEG-21 프레임워크에서 이용되는 기본 단위인 디지털 아이템(Digital Item)의 처리에 관한 과정을 설명하고, 처리과정에 적용 가능한 디지털 아이템의 모델링에 대하여 논하였다 MPEG-21 에서 정의된 디지털 아이템 선언(Digital Item Declaration;DID)은 디지털 아이템의 정적인 선언에 그치는 반면, 디지털 아이템 프로세싱(Digital Item Processing;DIP)을 기반으로 한 디지털 아이템에는 처리 및 이용에 관한 기능이 부여된다. 모델링된 디지털 아이템의 처리를 위한 구조를 정의하고, DIP 구조와 디지털 아이템의 유효성을 입증하기 위해 교육용 멀티미디어 컨텐츠를 담고 있는 디지털아이템을 생성하였다. 또한 DIP 기반에서 모델링된 디지털 아이템을 소비할 수 있는 디지털 아이템 플레이어의 구현과 테스트 결과에 대해서도 설명하였다.
KSP Keywords
MPEG-21
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