KR100973862B1 - 재생장치, 광 디스크, 기록매체, 재생방법 - Google Patents
재생장치, 광 디스크, 기록매체, 재생방법 Download PDFInfo
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- KR100973862B1 KR100973862B1 KR1020057005099A KR20057005099A KR100973862B1 KR 100973862 B1 KR100973862 B1 KR 100973862B1 KR 1020057005099 A KR1020057005099 A KR 1020057005099A KR 20057005099 A KR20057005099 A KR 20057005099A KR 100973862 B1 KR100973862 B1 KR 100973862B1
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Abstract
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Claims (66)
- 제 1 디지털 스트림과 제 2 디지털 스트림을 동기 재생하는 재생장치로,상기 제 1 디지털 스트림은 광디스크에 기록되어 있고,상기 제 2 디지털 스트림은 예비기록매체에 기록되어 있으며,상기 예비기록매체에는 대응부여정보가 기록되어 있고,상기 대응부여정보는 광디스크 상의 파일과 예비기록매체 상의 파일의 대응관계를 나타내는 정보이며,예비기록매체로부터 대응부여정보를 취득하는 취득수단과,광디스크에 기록된 파일 중 대응부여정보에 나타나 있는 것으로부터 제 1 디지털 스트림을 판독하는 제 1 판독수단과,예비기록매체에 기록된 파일 중 대응부여정보에 나타나 있는 것으로부터 제 2 디지털 스트림을 판독하는 제 2 판독수단과,제 1 디지털 스트림에 포함되는 데이터에 부여된 타임 스탬프 및 제 2 디지털 스트림에 포함되는 데이터에 부여된 타임스탬프를 참조하여 이들 데이터를 동기시키면서 재생하는 재생수단을 구비하는 것을 특징으로 하는 재생장치.
- 제 1 항에 있어서,대응부여정보는, 광디스크 상의 파일과 예비기록매체 상의 파일의 대응관계를 나타내는 동시에, 상기 제 2 디지털 스트림에 다중화되어 있는 엘리멘터리 스트림 중 어느 하나의 스트림 식별자를 나타내는 정보이고,상기 재생수단은,제 1 디지털 스트림의 일부분을 디 멀티플렉스 하여 동화상 스트림을 얻는 제 1 디 멀티플렉스수단과,제 2 판독수단에 의해 판독된 제 2 디지털 스트림을 디 멀티플렉스 하여 제 2 디지털 스트림에 다중화되어 있는 엘리멘터리 스트림 중 대응부여정보 내의 스트림 식별자에 의해 표시되어 있는 것을 분리하는 제 2 디 멀티플렉스수단을 구비하며,상기 재생수단에 의한 동기재생은,동화상 스트림을 구성하는 데이터에 부여되어 있는 타임 스탬프와 제 2 디지털 스트림으로부터 분리된 엘리멘터리 스트림을 구성하는 데이터에 부여되어 있는 타임 스탬프를 참조함으로써 이루어지는 것을 특징으로 하는 재생장치.
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- 제 1 항에 있어서,대응부여정보는 하나 이상의 개시 종료점 정보를 포함하고,상기 개시 종료점 정보는 광디스크에 기록된 제 1 디지털 스트림 상에서의 재생구간의 개시 점 및 종료 점을 예비기록매체에 기록된 제 2 디지털 스트림 상에서의 재생구간의 개시 점 및 종료 점과 대응시켜서 나타내는 정보이며,상기 재생장치는 플레이리스트정보를 해독하는 재생제어수단을 구비하고,상기 제 1 판독수단은 재생제어수단의 해독결과에 의거하여 제 1 디지털 스트림을 광디스크로부터 판독하고,제 2 판독수단은 재생제어수단의 해독결과에 의거하여 제 2 디지털 스트림을 판독하는 것을 특징으로 하는 재생장치.
- 제 7 항에 있어서,상기 예비기록매체에는 프로그램이 기록되어 있고,프로그램은 대응부여정보를 이용한 제 1 및 제 2 디지털 스트림의 재생제어순서를 나타내며,상기 재생장치는 예비기록매체에 기록된 프로그램을 실행하는 실행 모듈을 구비하고,상기 재생제어수단에 의한 대응부여정보의 해독은 프로그램 내의 함수 호출에 의거하여 이루어지는 것을 특징으로 하는 재생장치.
- 제 1 항에 있어서,상기 예비기록매체는 재생장치에 장전된 광디스크에 할당된 패키지영역을 가지고 있고,상기 취득수단은, 광디스크가 재생장치에 장전된 때, 그 광디스크로부터 매체정보를 판독하여, 예비기록매체에서의 패키지영역 중 판독된 매체정보에 합치하는 것으로부터 대응부여정보를 취득하는 것을 특징으로 하는 재생장치.
- 제 1 디지털 스트림과 제 2 디지털 스트림의 동기 재생을 컴퓨터에 실행시키는 프로그램을 기록한 컴퓨터 판독 가능한 기록매체로,상기 제 1 디지털 스트림은 광디스크에 기록되어 있고,상기 제 2 디지털 스트림은 예비기록매체에 기록되어 있으며,상기 예비기록매체에는 대응부여정보가 기록되어 있고,상기 대응부여정보는 광디스크 상의 파일과 예비기록매체 상의 파일의 대응관계를 나타내는 정보이며,예비기록매체로부터 대응부여정보를 취득하는 취득스텝과,광디스크에 기록된 파일 중 대응부여정보에 나타나 있는 것으로부터 제 1 디지털 스트림을 판독하는 제 1 판독스텝과,예비기록매체에 기록된 파일 중 대응부여정보에 나타나 있는 것으로부터 제 2 디지털 스트림을 판독하는 제 2 판독스텝과,제 1 디지털 스트림에 포함되는 데이터에 부여된 타임 스탬프 및 제 2 디지털 스트림에 포함되는 데이터에 부여된 타임스탬프를 참조하여 이들 데이터를 동기시키면서 재생하는 재생스텝을 컴퓨터에 실행시키는 것을 특징으로 하는 프로그램을 기록한 컴퓨터 판독 가능한 기록매체.
- 제 1 디지털 스트림과 제 2 디지털 스트림의 동기 재생을 행하는 재생방법으로,상기 제 1 디지털 스트림은 광디스크에 기록되어 있고,상기 제 2 디지털 스트림은 예비기록매체에 기록되어 있으며,상기 예비기록매체에는 대응부여정보가 기록되어 있고,상기 대응부여정보는 광디스크 상의 파일과 예비기록매체 상의 파일의 대응관계를 나타내는 정보이며,예비기록매체로부터 대응부여정보를 취득하는 취득스텝과,광디스크에 기록된 파일 중 대응부여정보에 나타나 있는 것으로부터 제 1 디지털 스트림을 판독하는 제 1 판독스텝과,예비기록매체에 기록된 파일 중 대응부여정보에 나타나 있는 것으로부터 제 2 디지털 스트림을 판독하는 제 2 판독스텝과,제 1 디지털 스트림에 포함되는 데이터에 부여된 타임 스탬프 및 제 2 디지털 스트림에 포함되는 데이터에 부여된 타임스탬프를 참조하여 이들 데이터를 동기시키면서 재생하는 재생스텝을 갖는 것을 특징으로 하는 재생방법.
- 제 1 디지털 스트림이 기록된 기록매체로,상기 제 1 디지털 스트림은, 타임스탬프가 부여된 데이터를 포함하고, 기록매체 상에 기록된 파일 내에 저장되어 있으며,상기 제 1 디지털 스트림에 포함되는 데이터는 재생장치에 판독되어 재생장치 내의 그래픽스 플레인 내에 투입됨으로써 영상을 표시하고,상기 재생장치는 예비기록매체를 가지며,제 2 디지털 스트림은, 타임스탬프가 부여된 데이터를 포함하고, 예비기록매체 상에 기록된 파일 내에 저장되며,대응부여정보는, 상기 기록매체 상의 파일과 상기 예비기록매체 상의 파일의 대응관계를 나타내는 정보이고, 예비기록매체 상에 기록되며,상기 기록매체는, 상기 재생장치에 판독되면 상기 파일 중 상기 대응부여정보에 나타나는 상기 제 1 디지털 스트림이 판독되고,상기 제 1 디지털 스트림의 타임스탬프와 상기 제 2 디지털 스트림의 타임스탬프가 참조되어,상기 제 1 디지털 스트림에 포함되는 데이터가 상기 제 2 디지털 스트림에 포함되는 데이터와 동기 재생되는 기록매체.
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