최근 들어 기존의 MPEG-2 시스템에서 벗어난 차세대 방송 서비스 및 시스템 기술에 대한 관심이 고조되고 있다. 즉, 부호화된 콘텐츠를 전송하기 위해서 현재 사용되고 있는 MPEG-2 스트림 대신, 세그먼트 기반의 IP를 활용하는 방향으로 변모하고 있다. 더욱이, 차세대 방송 표준화를 추진 중에 있는 ATSC 3.0 에서는 MPEG-2 스트림을 제외하고 세그먼트 기반의 IP 만 고려하고 있다. 본 논문에서는 이러한 기술 기반의 차세대 방송 서비스 및 시스템 개발을 위해서 필요한 콘텐츠 반복 재생 방법을 제안한다. 제안된 방법은 기존 디지털 방송에서 사용하고 있는 MPEG-2 스트림의 반복 재생과 동일하게, 제한된 용량의 콘텐츠를 반복 재생하여도 연속적으로 재생되는 것처럼 보이도록 하여 실제 방송 환경과 동일한 테스트 환경을 제공한다. 향후, 세그먼트 기반의 차세대 방송 서비스의 도입 단계에서 제안된 내용이 많이 활용될 것으로 기대한다.
KSP Keywords
ATSC 3.0, MPEG-2
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