KR920017482A - 우선순위 비디오 데이타의 재결합 장치 - Google Patents

우선순위 비디오 데이타의 재결합 장치 Download PDF

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KR920017482A
KR920017482A KR1019920003136A KR920003136A KR920017482A KR 920017482 A KR920017482 A KR 920017482A KR 1019920003136 A KR1019920003136 A KR 1019920003136A KR 920003136 A KR920003136 A KR 920003136A KR 920017482 A KR920017482 A KR 920017482A
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앤소니 아캄포라 알폰스
월터 지뎁스키 조엘
저스틴 사라쿠사 로버트
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에릭 피. 헤르만
알씨에이 라이센싱 코오포레이숀
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    • H04N21/234327Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by decomposing into layers, e.g. base layer and one or more enhancement layers
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    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
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    • H04N21/44Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
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Abstract

내용 없음

Description

우선순위 비디오 데이타의 재결합 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명을 나타내는 HDTV 인코딩/디코딩 시스템의 블럭도,
제1B도 및 제1C도는 본 발명을 나타내는 인코드된 비디오 신호의 필드/프레임 시퀀스의 도식도,
제2도는 제3도의 압축기에 의해 제공되는 데이타 매크로 블럭의 도식도,
제3도는 비디오 신호 압축기의 블럭도.

Claims (10)

  1. 고 및 저 우선순위 채널 각각의 고 및 저 우선순위 데이타로서 변환되는 디지탈 압축 비디오 데이타 처리용 비디오 신호 처리 시스템으로, 상기 고 및 저 우선순위 데이타는 영상 재새의 내림 차순내의 부호어 블럭을 나타내는 인코드된 압축 비디오 데이타로부터 발생되고, 각 블럭의 j번째 부호어를 통한 데이타는 고 우선순위 데이타로 할당되며 나머지 부호어는 저 운선순위 데이타로 할당되어 상기 고 및 저 우선순위 데이타를 결합하는 장치에 있어서, 상기 고 및 저 우선순위 데이타에 응답하여 상기 데이타를 디코딩하고 고 및 저 우선순위 데이타의 시퀀스 부호어를 제공하는 제1수단(20-25)과; 상기 고 및 저 우선순위 시퀀스 부호어에 응답하여 제1사전 결정 부호어를 통한 상기 고 우선순위 시퀀스 부호오를 주기적으로 제공하고 상기 저 우선순위 시퀀스의 제2사전 결정 부호어를 통한 상기 저 우선순위 시퀀스 부호어를 제공하며 이러한 주기를 반복하는 제2수단(26)를 구비한 것을 특징으로 하는 고 및 저우선순위 데이타 결합 장치.
  2. 제1항에 있어서, 상기 제2사전 결정 부호어는 블럭 코드의 종단인 것을 특징으로 하는 고 및 저 우선순위 데이타 결합 장치.
  3. 제1항에 있어서, 상기 제1 사전 결정 부호어는 상기 고 우선순위 시퀀스 부호어의 최소 부분내에 매 j번째 부호어인 것을 특징으로 하는 고 및 저 우선순위 데이타 결합 장치.
  4. 제3항에 있어서, 상기 고 및 저 우선순위 데이타는 가변 길이로 코드화되고 상기 제1수단은 가변 길이 디코딩 수단을 포함하는 것을 특징으로 하는 고 및 저 우선수위 데이타 결합 장치.
  5. 제1항에 있어서, 상기 고 및 저 우선순위 비디오 데이타는 각 전송 패킷 해더를 포함하는 사전 결정 비트수의 상호 배제 고 및 우선순위 전송 패킷으로 변환하고, 전송 패킷 헤더는 각 고 우선순위 전송 패킷내에서 변환되는 고 우선순위 비디오 데이타를 식별하고 각 저 우선순위 전송 패킷내에서 변환되는 저 우선순위 비디오 데이타를 식별하는 표시이며, 상기 제2 수단은 상기 고 및 저 우선순위 전송 패킷 헤더에 응답하여 상기 고 및 저 우선순위 시퀀스 부호어를 배열하는 표시인 것을 특징으로 하는 고 및 저 우선순위 데이타 결합 장치.
  6. 제1항에 있어서, 상기 고 및 저 우선순위 비디오 데이타는 블럭 코드의 종단으로 각 블럭을 갖는 시퀀스 블럭 부호어로부터 유도되고, 상기 고 우선순위 비디오 데이타는 각 블럭내의 제1발생 수의 부호어를 포함하고 상기 수를 갖는 코드로 변환되며, 상기 저 우선순위 비디오 데이타는 각 블럭내의 나머지 부호어로 구성되고 블럭 코드의 상기 종단을 포함하며, 상기 제2 수단은 고 및 저 우선순위 부호어 사이의 스위칭 수에 응답하고 저 및 고 우선순위 부호어 사이의 스위칭 블럭 코드의 종단에 응답하는 것을 특징으로 하는 고 및 저 우선순위 데이타 결합 장치.
  7. 고 및 저 우선순위 채널 각각이 고 및 저 우선순위 데이타로서 전송되는 압축 비디오 신호 디코딩용 텔레비전 처리 시스템으로 상기 데이타는 상이한 형태의 부호어(CW)를 포함하고 크고 작은 부호어 형태를 갖는 영상 재생에 대해 계층적으로 나타낸 상기 형태는 상기 고 및 저 우선순위 채널 각각에 포함되며, 데이타 블럭내에 나타나는 상기 부호어는 상기 고 및 저 우선순위 채널 모두에 나타나는 각 블럭으로부터 데이타를 가지며, 상기 고 및 저 우선순위 채널의 데이타는 블럭 식별자를 포함한 헤더 데이타를 구비한 각 전송 패킷으로 변환되고, 상기 고 우선 순위 채널 전송 패킷의 헤더 데이타는 상기 고 우선순위 채널내에 포함된 부호어 형태를 식별하는 부호어(CW#j)를 포함하며, 상기 고 및 저 우선순위 채널로부터 상기 데이타를 단일 데이타 스트림으로 결합하는 장치에 있어서, 수신된 신호에 응답하여 삭제된 헤더 데이타로 상기 고 및 저 우선순위 데이타를 제공하고 상기 헤더 데이타를 제공하는 제1수단(20-25)과; 상기 헤더 데이타내에 상기 부호어(CW#j)에 응답하여 상기 고 우선순위 데이타를 각각의 부분 데이타 블럭으로 분할하는 제3수단(270-272)과; 상기 저 우선순위 데이타에 응답하여 상기 저 우선순위 데이타를 각각의 부분 데이타 블럭으로 분할하는 제3수단(276-278)과 상기 헤더 데이타에 응답하여 상기 단일 데이타 스트림으로 재생 데이타 블럭을 제공하도록 대응하는 고 및 저 우선순위의 부분 데이타 블럭을 결합하는 제4수단(273, 274, 279)을 구비한 것을 특징으로 하는 고 및 저 우선순위 채널 데이타를 단일 데이타 스트림으로 결합하는 장치.
  8. 제7항에 있어서, 상기 저 우선순위 채널에 제공되는 상기 저 우선순위 데이타는 블럭 코드의 종단을 포함하고, 상기 제3수단은 상기 블럭 코드의 종단에 응답하여 상기 저 우선순위 데이타를 부분 블럭으로 분할하는 것을특징으로 하는 고 및 저 우선순위 채널 데이타를 단일 데이타 스트림으로 결합하는 장치.
  9. 제8항에 있어서, 상기 4수단은 고 우선수위 데이타의 부분 블럭과 결합된 저 우순선위 데이타의 부분 블럭내에 블럭 코드의 종단을 포함한 것을 특징으로 하는 고 및 저 우선순위 채널 데이타를 단일 데이타 스트림으로 결합하는 장치.
  10. 제7항에 있어서, 상기 전송 블럭은 에러 검사 코드를 포함하고, 상기 제1수단은 상기 에러 검사 코드에 응답하여 저 우선순위 데이타의 최소 전송 블럭내에 전송 에러가 일어남에 따라 에러 신호를 발생시키는 에러 검출 회로를 포함하고, 상기 제4수단은 상기 에러가 검출되는 전송 블럭으로 부터 저 우선순위 데이타의 부분 블럭으로서 블럭 코드의 종단을 대체하는 수단을 포함한 것을 특징으로 하는 고 및 저 우선순위 채널 데이타를 단일 데이타 스트림으로 결합하는 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019920003136A 1991-02-27 1992-02-27 우선순위 비디오 데이타의 재결합 장치 KR100234839B1 (ko)

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FR2673797A1 (fr) 1992-09-11
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US5148272A (en) 1992-09-15
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JPH0583683A (ja) 1993-04-02
MX9200830A (es) 1992-08-01
DE4205898B4 (de) 2005-02-10
GB2254753A (en) 1992-10-14
GB2254753B (en) 1994-10-12
DE4205898A1 (de) 1992-09-03
MY109845A (en) 1997-08-30
KR100234839B1 (ko) 1999-12-15
GB9203787D0 (en) 1992-04-08

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