KR100870048B1 - 데이터 스트림을 코딩하는 방법과 인코더, 데이터 스트림을 디코딩하는 방법과 디코더, 송신기, 수신기 및 저장 매체 - Google Patents
데이터 스트림을 코딩하는 방법과 인코더, 데이터 스트림을 디코딩하는 방법과 디코더, 송신기, 수신기 및 저장 매체 Download PDFInfo
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Abstract
Description
Claims (14)
- 데이터 스트림을 코딩하는 방법으로서,상기 데이터 스트림은 사전 결정된 서로 다른 마커(marker) 세트 중에서 하나의 마커를 포함하고, 상기 마커는 상기 데이터 스트림의 정해진 부분의 시작을 나타내며, 상기 방법은,채널 에러에 대한 로버스트니스(robustness)가 상기 마커보다 더 높은 워드로 상기 마커를 대체하는 단계와;상기 워드를 갖는 상기 데이터 스트림을 출력하는 단계를포함하는, 데이터 스트림을 코딩하는 방법.
- 제 1항에 있어서, 상기 워드는 의사-잡음 워드인, 데이터 스트림을 코딩하는 방법.
- 제 1항에 있어서, 상기 워드는 사전 결정된 서로 다른 워드 세트로부터 획득되고, 상기 사전 결정된 워드 세트 내의 각각의 워드는 상기 사전 결정된 마커 세트 내의 정해진 마커에 대응하는, 데이터 스트림을 코딩하는 방법.
- 제 1항에 있어서, 다른 채널 코딩 메커니즘에 따라 상기 데이터 스트림의 상기 정해진 부분을 다른 채널로 코딩하는 단계를 포함하는, 데이터 스트림을 코딩하는 방법.
- 제 4항에 있어서, 상기 다른 채널로 코딩하는 단계는 상기 데이터 스트림의 상기 정해진 부분의 각 구획(partition)을 서로 다른 에러 보호율로 코딩하는 단계를 포함하고, 여기서 상기 각 구획의 각각의 길이는 상기 데이터 스트림의 상기 정해진 부분의 길이에 대한 각각의 사전 결정된 백분율로 결정되는, 데이터 스트림을 코딩하는 방법.
- 제 4항에 있어서, 상기 다른 채널로 코딩하는 단계는 상기 데이터 스트림의 상기 정해진 부분의 각 구획을 서로 다른 에러 보호율로 코딩하는 단계를 포함하고, 여기서 상기 각 구획의 각각의 길이에 대한 정보가 상기 데이터 스트림에 포함되는, 데이터 스트림을 코딩하는 방법.
- 제 1항에 있어서, 상기 데이터 스트림은 MPEG-4 데이터 스트림이고, 상기 사전 결정된 마크 세트는 비디오 객체 시작 코드, 비디오 객체 층 시작 코드, 비디오 객체 플레인(plane) 시작 코드, 비디오 객체 플레인 그룹, 및 재동기 마커를 포함하는, 데이터 스트림을 코딩하는 방법.
- 데이터 스트림을 디코딩하는 방법으로서,수신된 데이터 스트림은 상기 데이터 스트림의 각 부분의 시작을 나타내는 마커를 각각 대체하는 워드를 포함하고, 채널 에러에 대해 상기 워드가 상기 마커보다 더 높은 로버스트니스를 가지며, 상기 방법은,워드의 위치를 결정하는 단계와;상기 워드를 상기 결정된 위치에 있는 상기 마커로 교체하는 단계를포함하는, 데이터 스트림을 디코딩하는 방법.
- 데이터 스트림을 코딩하기 위한 인코더로서,상기 데이터 스트림은 사전 결정된 서로 다른 마커 세트 중에서 하나의 마커를 포함하고, 상기 마커는 상기 데이터 스트림의 정해진 부분의 시작을 나타내며, 상기 인코더는,채널 에러에 대한 로버스트니스(robustness)가 상기 마커보다 더 높은 워드로 상기 마커를 대체하기 위한 수단과;상기 워드를 갖는 상기 데이터 스트림을 출력하기 위한 수단을포함하는, 데이터 스트림을 코딩하기 위한 인코더.
- 데이터 스트림을 디코딩하기 위한 디코더로서,수신된 데이터 스트림은 상기 데이터 스트림의 각 부분의 시작을 나타내는 마커를 각각 대체하는 워드를 포함하고, 채널 에러에 대해 상기 워드가 상기 마커보다 더 높은 로버스트니스를 가지며, 상기 디코더는,워드의 위치를 결정하기 위한 수단과;상기 워드를 상기 결정된 위치에 있는 상기 마커로 교체하기 위한 수단을포함하는, 데이터 스트림을 디코딩하기 위한 디코더.
- 데이터 스트림을 송신하기 위한 송신기로서, 상기 송신기는,제 9항에 기재된 인코더와;상기 데이터 스트림을 송신하기 위한 안테나 수단을포함하는, 송신기.
- 데이터 스트림을 수신하기 위한 수신기로서, 상기 수신기는,상기 데이터 스트림을 송신하기 위한 안테나 수단과;제 10항에 기재된 디코더를포함하는, 수신기.
- 데이터 스트림이 저장되어 있는 저장 매체로서, 상기 데이터 스트림은 상기 데이터 스트림의 각 부분의 시작을 나타내는 마커를 각각 대체하는 워드를 포함하는데, 채널 에러에 대해 상기 워드가 상기 마커보다 채널 에러에 대해서 더 높은 로버스트니스를 갖는, 저장 매체.
- 삭제
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EP00202530 | 2000-07-17 | ||
EP00202530.2 | 2000-07-17 |
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KR1020027003297A Expired - Fee Related KR100870048B1 (ko) | 2000-07-17 | 2001-07-05 | 데이터 스트림을 코딩하는 방법과 인코더, 데이터 스트림을 디코딩하는 방법과 디코더, 송신기, 수신기 및 저장 매체 |
KR1020027003378A Ceased KR20020064778A (ko) | 2000-07-17 | 2001-07-16 | 데이터 스트림의 코딩 |
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US (2) | US20020158781A1 (ko) |
EP (2) | EP1303916A1 (ko) |
JP (2) | JP2004504756A (ko) |
KR (2) | KR100870048B1 (ko) |
CN (2) | CN1199360C (ko) |
AU (1) | AU2001269125A1 (ko) |
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US7406104B2 (en) * | 2000-08-25 | 2008-07-29 | Lin Yang | Terrestrial digital multimedia/television broadcasting system |
JP4316385B2 (ja) * | 2002-01-18 | 2009-08-19 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 堅牢な信号符号化 |
JP2005518164A (ja) * | 2002-02-18 | 2005-06-16 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 不均一誤り保護を用いるデータストリームの符号化 |
FR2837332A1 (fr) * | 2002-03-15 | 2003-09-19 | Thomson Licensing Sa | Dispositif et procede d'insertion de codes de correction d'erreurs et de reconstitution de flux de donnees, et produits correspondants |
US7415075B2 (en) * | 2002-10-29 | 2008-08-19 | Conexant Systems, Inc. | Multi-rate encoding and decoding system |
CN1984332B (zh) * | 2005-12-14 | 2010-05-26 | 财团法人工业技术研究院 | 数据及图像编码之方法与系统 |
US7653055B2 (en) * | 2006-03-31 | 2010-01-26 | Alcatel-Lucent Usa Inc. | Method and apparatus for improved multicast streaming in wireless networks |
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- 2001-07-05 JP JP2002513106A patent/JP2004504756A/ja active Pending
- 2001-07-05 EP EP01947448A patent/EP1303916A1/en not_active Ceased
- 2001-07-05 WO PCT/EP2001/007760 patent/WO2002007326A1/en active Application Filing
- 2001-07-05 KR KR1020027003297A patent/KR100870048B1/ko not_active Expired - Fee Related
- 2001-07-16 WO PCT/EP2001/008158 patent/WO2002007322A2/en not_active Application Discontinuation
- 2001-07-16 JP JP2002513102A patent/JP2004504752A/ja active Pending
- 2001-07-16 KR KR1020027003378A patent/KR20020064778A/ko not_active Ceased
- 2001-07-16 CN CN01802067A patent/CN1386332A/zh active Pending
- 2001-07-16 US US10/070,867 patent/US20020158781A1/en not_active Abandoned
- 2001-07-16 EP EP01967178A patent/EP1303915A2/en not_active Withdrawn
- 2001-07-17 US US09/906,595 patent/US20020034225A1/en not_active Abandoned
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AU2001269125A1 (en) | 2002-01-30 |
JP2004504752A (ja) | 2004-02-12 |
WO2002007326A1 (en) | 2002-01-24 |
US20020034225A1 (en) | 2002-03-21 |
WO2002007322A2 (en) | 2002-01-24 |
CN1386332A (zh) | 2002-12-18 |
CN1199360C (zh) | 2005-04-27 |
WO2002007322A3 (en) | 2002-05-16 |
TW564644B (en) | 2003-12-01 |
CN1386329A (zh) | 2002-12-18 |
EP1303916A1 (en) | 2003-04-23 |
EP1303915A2 (en) | 2003-04-23 |
KR20020064777A (ko) | 2002-08-09 |
US20020158781A1 (en) | 2002-10-31 |
JP2004504756A (ja) | 2004-02-12 |
KR20020064778A (ko) | 2002-08-09 |
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