KR100959293B1 - 멀티미디어 스트리밍시 포워드 에러 정정 프레임들을 조합하기 위한 방법 및 장치 - Google Patents
멀티미디어 스트리밍시 포워드 에러 정정 프레임들을 조합하기 위한 방법 및 장치 Download PDFInfo
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- KR100959293B1 KR100959293B1 KR1020097005696A KR20097005696A KR100959293B1 KR 100959293 B1 KR100959293 B1 KR 100959293B1 KR 1020097005696 A KR1020097005696 A KR 1020097005696A KR 20097005696 A KR20097005696 A KR 20097005696A KR 100959293 B1 KR100959293 B1 KR 100959293B1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
- H04N19/89—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/643—Communication protocols
- H04N21/6437—Real-time Transport Protocol [RTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/2383—Channel coding or modulation of digital bit-stream, e.g. QPSK modulation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
- H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
- H04N21/4383—Accessing a communication channel
- H04N21/4384—Accessing a communication channel involving operations to reduce the access time, e.g. fast-tuning for reducing channel switching latency
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/81—Monomedia components thereof
- H04N21/8146—Monomedia components thereof involving graphical data, e.g. 3D object, 2D graphics
- H04N21/8153—Monomedia components thereof involving graphical data, e.g. 3D object, 2D graphics comprising still images, e.g. texture, background image
Abstract
Description
Claims (13)
- 멀티미디어 스트리밍에 사용할 방법에 있어서,서버에서, 다이내믹 인터랙티브 멀티미디어 씬 (DIMS, Dynamic Interactive Multimedia Scene) 콘텐츠의 미디어 패킷들을, 각 프레임이 미디어 패킷들로 된 적어도 한 소스 블록 및 적어도 한 포워드 에러 정정 패킷을 포함하는 복수의 프레임들 안에 정렬하는 단계; 및서버에서 상기 DIMS 콘텐츠의 랜덤 액세스 포인트를 각각의 소스 블록의 도입부에 삽입하는 단계를 포함함을 특징으로 하는 방법.
- 제1항에 있어서, 상기 랜덤 액세스 포인트는 스케일러블 벡터 그래픽 (SVG, Scalable Vector Graphics) 씬임을 특징으로 하는 방법.
- 다이내믹 인터랙티브 멀티미디어 씬 (DIMS, Dynamic Interactive Multimedia Scene) 콘텐츠의 미디어 패킷들이, 각 프레임이 미디어 패킷들로 된 적어도 한 소스 블록 및 적어도 한 포워드 에러 정정 패킷을 포함하는 복수의 프레임들 안에 정렬되어 있는 멀티미디어를 스트리밍하기 위한 서버에 있어서,상기 DIMS 콘텐츠의 랜덤 액세스 포인트를 각각의 소스 블록의 도입부에 삽입하도록 하는 생성 모듈을 포함함을 특징으로 하는 서버.
- 제3항에 있어서, 상기 생성 모듈은 상기 랜덤 액세스 포인트를 스케일러블 벡터 그래픽 (SVG, Scalable Vector Graphics) 씬으로서 제공하도록 구성됨을 특징으로 하는 서버.
- 멀티미디어 비트스트림이 프레임들 안에 정렬된 DIMS 콘텐츠의 인코딩된 미디어 패킷들을 포함하고, 각 프레임은 미디어 패킷들로 된 적어도 한 소스 블록 및 적어도 한 포워드 에러 정정 패킷을 포함하는, 상기 멀티미디어 비트스트림을 수신하도록 구성되는 클라이언트 장치에 있어서,포워드 에러 정정 디코더; 및상기 DIMS 콘텐츠의 인코딩된 미디어 패킷들로 된 상기 소스 블록을 디코딩하기 위한 적어도 한 미디어 디코더를 포함하고,상기 클라이언트 장치는 각 소스 블록의 도입부에서 상기 DIMS 콘텐츠의 랜덤 액세스 포인트를 수신하도록 구성됨을 특징으로 하는 클라이언트 장치.
- 제5항에 있어서, 상기 적어도 한 미디어 디코더는, 포워드 에러 정정 디코더가 수신된 프레임 디코딩을 종료하자 마자, 디코딩을 시작함을 특징으로 하는 클라이언트 장치.
- 제5항에 있어서,상기 소스 블록과 상기 포워드 에러 정정 패킷 사이에 위치하도록 상기 랜덤 액세스 포인트를 상기 프레임들의 적어도 일부 안에 삽입하는 생성 모듈을 더 포함함을 특징으로 하는 클라이언트 장치.
- 제5항에 있어서, 상기 랜덤 액세스 포인트를 스케일러블 벡터 그래픽 (SVG, Scalable Vector Graphics) 씬으로서 제공하도록 구성된 생성 모듈을 더 포함함을 특징으로 하는 클라이언트 장치.
- 멀티미디어 비트스트림이 프레임들 안에 정렬된 DIMS 콘텐츠의 인코딩된 미디어 패킷들을 포함하고, 각 프레임은 미디어 패킷들로 된 적어도 한 소스 블록 및 적어도 한 포워드 에러 정정 패킷을 포함하는 상기 멀티미디어 비트스트림을 수신하는 방법에 있어서,각 소스 블록의 도입부에서 상기 DIMS 콘텐츠의 랜덤 액세스 포인트를 수신하는 단계; 및상기 DIMS 콘텐츠의 인코딩된 미디어 패킷들로 된 상기 소스 블록을 디코딩하는 단계를 포함함을 특징으로 하는 방법.
- 제9항에 있어서,수신된 프레임을 포워드 에러 정정 디코딩하는 단계를 더 포함하고,상기 소스 블록의 디코딩은 상기 포워드 에러 정정 디코딩이 종료되자 마자 시작되도록 구성됨을 특징으로 하는 방법.
- 제9항에 있어서, 상기 랜덤 액세스 포인트는 스케일러블 벡터 그래픽 (SVG, Scalable Vector Graphics) 씬으로서 제공됨을 특징으로 하는 방법.
- 컴퓨터 프로세서에 의해 실행되는 소프트웨어 어플리케이션을 구현하는 컴퓨터 판독가능 저장 매체에 있어서,상기 소프트웨어 어플리케이션은 제1항에 따른 멀티미디어 스트리밍에 사용할 방법을 수행하도록 하는 컴퓨터 프로그램 명령들을 포함함을 특징으로 하는 컴퓨터 판독가능 저장 매체.
- 컴퓨터 프로세서에 의해 실행되는 소프트웨어 어플리케이션을 구현하는 컴퓨터 판독가능 저장 매체에 있어서,상기 소프트웨어 어플리케이션은 제10항에 따른 멀티미디어 비트스트림을 수신하기 위한 방법을 수행하도록 하는 컴퓨터 프로그램 명령들 및, 상기 포워드 에러 정정 디코딩을 위한 컴퓨터 코드 명령들을 포함함을 특징으로 하는 컴퓨터 판독가능 저장 매체.
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US11/508,726 | 2006-08-22 | ||
US11/508,726 US7746882B2 (en) | 2006-08-22 | 2006-08-22 | Method and device for assembling forward error correction frames in multimedia streaming |
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KR20090048636A KR20090048636A (ko) | 2009-05-14 |
KR100959293B1 true KR100959293B1 (ko) | 2010-05-26 |
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US (1) | US7746882B2 (ko) |
EP (1) | EP2055109A4 (ko) |
KR (1) | KR100959293B1 (ko) |
CN (2) | CN104010229A (ko) |
AU (1) | AU2007287316A1 (ko) |
BR (1) | BRPI0719899A2 (ko) |
CA (1) | CA2661320A1 (ko) |
MX (1) | MX2009001924A (ko) |
WO (1) | WO2008023236A2 (ko) |
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CA2661320A1 (en) | 2008-02-28 |
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WO2008023236A2 (en) | 2008-02-28 |
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CN104010229A (zh) | 2014-08-27 |
CN101536532A (zh) | 2009-09-16 |
EP2055109A4 (en) | 2010-07-07 |
US20080049789A1 (en) | 2008-02-28 |
MX2009001924A (es) | 2009-04-30 |
AU2007287316A1 (en) | 2008-02-28 |
EP2055109A2 (en) | 2009-05-06 |
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