KR100943128B1 - Mpeg-4 원격 통신 장치 - Google Patents
Mpeg-4 원격 통신 장치 Download PDFInfo
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Abstract
Description
Claims (16)
- 비디오 프로그램을 나타내기 위하여 제1 형식으로 인코딩된 데이터를 포함하는 데이터 시스템 스트림 및 상기 비디오 프로그램과 관련된 부가적인 정보의 가용성(availability)을 표시하는 제2 형식으로 인코딩된 데이터를 포함하나 상기 부가적인 정보는 포함하지 않는 데이터 신호를 수신하기 위한 수단 - 상기 제2 형식으로 인코딩된 데이터는 상기 비디오 프로그램을 나타내는 상기 데이터 시스템 스트림 내에 삽입(embedded)됨 - 과,상기 비디오 프로그램을 나타내기 위하여 제1 형식으로 인코딩된 데이터를 제1 디스플레이 장치에게 제공하기 위한 수단과,상기 데이터 시스템 스트림으로부터 상기 부가적인 정보의 가용성을 표시하는 데이터를 추출하기 위한 수단과,상기 부가적인 정보의 가용성을 표시하는 데이터를 제2 디스플레이 장치상의 디스플레이를 위하여 적어도 하나의 소정의 원격 통신 유닛에게 제공하기 위한 수단을 포함하는, 신호 처리 장치.
- 제1항에 있어서,상기 부가적인 정보의 가용성을 표시하는 데이터는 하나 이상의 원격 통신 유닛에게 제공되고,상기 하나 이상의 원격 통신 유닛 중 하나로부터 부가적인 정보에 대한 요청을 수신하기 위한 수단을 더 포함하는, 신호 처리 장치.
- 제2항에 있어서,상기 비디오 프로그램을 나타내기 위하여 제1 형식으로 인코딩된 데이터 스트림에 포함된 데이터는 MPEG-2 형식으로 인코딩된 데이터를 포함하고, 상기 부가적인 정보의 가용성을 표시하는 제2 형식으로 인코딩된 데이터는 MPEG-4 형식으로 인코딩된 데이터를 포함하는, 신호 처리 장치.
- 제3항에 있어서,상기 데이터 신호 수신 수단은, 상기 비디오 프로그램을 나타내는 데이터 및 상기 부가적인 정보의 가용성을 표시하는 데이터를 포함하는 데이터 신호를 제1 통신 채널을 통해 수신하는, 신호 처리 장치.
- 제4항에 있어서,상기 부가적인 정보에 대한 요청을 상기 제1 통신 채널 또는 상기 제1 통신 채널 외의 제2 통신 채널 중 하나를 통해 서비스 제공자에게 제공하기 위한 수단을 더 포함하는, 신호 처리 장치.
- 제1항에 있어서,상기 비디오 프로그램을 나타내는 데이터 스트림을 디코딩하여 디코딩된 데이터를 생성하기 위한 수단, 및 상기 디코딩된 데이터에 응답하여 상기 비디오 프로그램의 디스플레이를 생성하기 위한 수단을 더 포함하고,상기 비디오 프로그램과 관련된 상기 부가적인 정보의 가용성을 표시하는 데이터는 상기 비디오 프로그램에 관한 부가적인 정보의 외부 객체들(external objects)을 포함하며, 상기 외부 객체들 중 다수는 시간이 흐름에 따라 유효하지 않게 되는, 신호 처리 장치.
- 제6항에 있어서,상기 외부 객체들은 상기 비디오 프로그램이 상기 제1 디스플레이 장치상에 디스플레이되는 동안에는 유효한, 신호 처리 장치.
- 제7항에 있어서,상기 데이터 신호에 포함되고, 상기 외부 객체들을 나타내기 위하여 상기 제2 형식으로 인코딩된 데이터는 MPEG-4 형식으로 인코딩된 데이터를 포함하는, 신호 처리 장치.
- 신호 처리 방법으로서,비디오 프로그램을 나타내기 위하여 제1 형식으로 인코딩된 데이터를 포함하는 데이터 시스템 스트림 및 상기 비디오 프로그램과 관련된 부가적인 정보의 가용성을 표시하는 제2 형식으로 인코딩된 데이터를 포함하나 상기 부가적인 정보는 포함하지 않는 데이터 신호를 수신하는 단계 - 상기 제2 형식으로 인코딩된 데이터는 상기 비디오 프로그램을 나타내는 상기 데이터 시스템 스트림 내에 삽입됨 - 와,상기 비디오 프로그램을 나타내기 위하여 제1 형식으로 인코딩된 데이터를 제1 디스플레이 장치에게 제공하는 단계와,상기 비디오 프로그램의 상기 데이터 시스템 스트림으로부터 상기 부가적인 정보의 가용성을 표시하는 데이터를 추출하는 단계와,상기 부가적인 정보의 가용성을 표시하는 데이터를 제2 디스플레이 장치상의 디스플레이를 위하여 적어도 하나의 소정의 원격 통신 유닛에게 제공하는 단계를 포함하는 신호 처리 방법.
- 제9항에 있어서,상기 부가적인 정보의 가용성을 표시하는 데이터를 제공하는 단계는 상기 부가적인 정보의 가용성을 표시하는 데이터를 하나 이상의 원격 통신 유닛에게 제공하는 단계를 포함하고,상기 하나 이상의 원격 통신 유닛 중 적어도 하나로부터 상기 부가적인 정보에 대한 요청을 수신하는 단계를 더 포함하는, 신호 처리 방법.
- 제10항에 있어서,상기 비디오 프로그램을 나타내기 위하여 제1 형식으로 인코딩된 데이터 스트림에 포함된 데이터는 MPEG-2 형식으로 인코딩된 데이터를 포함하고, 상기 부가적인 정보의 가용성을 나타내기 위하여 상기 제2 형식으로 인코딩된 데이터는 MPEG-4 형식으로 인코딩된 데이터를 포함하는, 신호 처리 방법.
- 제11항에 있어서,상기 데이터 신호 수신 단계는, 상기 비디오 프로그램을 나타내는 데이터 및 상기 부가적인 정보의 가용성을 나타내는 데이터를 포함하는 데이터 신호를 제1 통신 채널을 통해 수신하는 단계를 포함하는, 신호 처리 방법.
- 제12항에 있어서,상기 부가적인 정보에 대한 요청을 상기 제1 통신 채널 또는 상기 제1 통신 채널 외의 제2 통신 채널 중 하나를 통해 서비스 제공자에게 제공하는 단계를 더 포함하는, 신호 처리 방법.
- 제9항에 있어서,상기 비디오 프로그램을 나타내는 데이터 스트림을 디코딩하여 디코딩된 데이터를 생성하는 단계, 및 상기 디코딩된 데이터에 응답하여 상기 비디오 프로그램의 디스플레이를 생성하는 단계를 더 포함하고,상기 비디오 프로그램과 관련된 상기 부가적인 정보의 가용성을 표시하는 데이터는 상기 비디오 프로그램에 관한 부가적인 정보의 외부 객체들을 포함하며, 상기 외부 객체들 중 다수는 시간이 흐름에 따라 유효하지 않게 되는, 신호 처리 방법.
- 제14항에 있어서,상기 외부 객체들은 상기 비디오 프로그램이 상기 제1 디스플레이 장치상에 디스플레이되는 동안에는 유효한, 신호 처리 방법.
- 제15항에 있어서,상기 데이터 신호에 포함되고, 상기 부가적인 정보의 가용성을 표시하기 위하여 상기 제2 형식으로 인코딩된 데이터는 MPEG-4 형식으로 인코딩된 데이터를 포함하는, 신호 처리 방법.
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