WO2012047004A3 - Ｈｔｔｐ 스트리밍의 표현 스위칭시 자연스런 재생을 위한 스케일러블한 ｈｔｔｐ 스트리밍 전송 방법 - Google Patents

Ｈｔｔｐ 스트리밍의 표현 스위칭시 자연스런 재생을 위한 스케일러블한 ｈｔｔｐ 스트리밍 전송 방법 Download PDF

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Publication number
WO2012047004A3
WO2012047004A3 PCT/KR2011/007340 KR2011007340W WO2012047004A3 WO 2012047004 A3 WO2012047004 A3 WO 2012047004A3 KR 2011007340 W KR2011007340 W KR 2011007340W WO 2012047004 A3 WO2012047004 A3 WO 2012047004A3
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WIPO (PCT)
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expression
transmitting
segments
occurrence
http
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PCT/KR2011/007340
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English (en)
French (fr)
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WO2012047004A2 (ko
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이충구
이을호
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㈜휴맥스
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Priority to US13/877,995 priority Critical patent/US9369508B2/en
Priority to EP11830889.9A priority patent/EP2627082A4/en
Priority to CN201180055312.7A priority patent/CN103210642B/zh
Publication of WO2012047004A2 publication Critical patent/WO2012047004A2/ko
Publication of WO2012047004A3 publication Critical patent/WO2012047004A3/ko

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/12—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal
    • 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
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • H04N21/2662—Controlling the complexity of the video stream, e.g. by scaling the resolution or bitrate of the video stream based on the client capabilities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60—Network streaming of media packets
    • H04L65/75—Media network packet handling
    • H04L65/762—Media network packet handling at the source 
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/65—Arrangements characterised by transmission systems for broadcast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60—Network streaming of media packets
    • H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
    • H04L65/612—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for unicast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60—Network streaming of media packets
    • H04L65/70—Media network packetisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/80—Responding to QoS
    • 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
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2343—Processing 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
    • H04N21/234327—Processing 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
    • 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 
    • H04N21/61—Network physical structure; Signal processing
    • H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
    • H04N21/6125—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via Internet
    • 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]
    • 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
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/845—Structuring of content, e.g. decomposing content into time segments
    • H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/24—Systems for the transmission of television signals using pulse code modulation

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Databases & Information Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

HTTP 스트리밍 전송 중에 표현 스위칭이 일어날 경우의 자연스러운 재생을 가능케하는 처리 방법이 개시된다. 제 1 표현에 대해서, 스케일러블 비디오 코딩의 베이스 레이어로 구성된 복수의 세그먼트를 구성하는 단계, 상기 제 1 표현에 비해서 고화질의 제 2 표현에 대해서, 스케일러블 비디오 코딩의 인핸스드 레이어로 구성된 복수의 세그먼트를 구성하는 단계 및 상기 제 1 표현의 전송시에는 상기 제 1 표현에 대한 복수의 세그먼트 중 적어도 일부를 전송하고, 상기 제 2표현의 전송시에는 상기 제 1 표현에 대한 복수의 세그먼트 중 적어도 일부와 함께 상기 제 2 표현에 대한 복수의 세그먼트 중 적어도 일부를 전송하는 단계를 포함하여 구설될 수 있다. 따라서, 표현 스위칭이 발생될 경우, 제 2 표현에서 베이스 레이어만을 추출하여 다음에 재생될 저비트율 세그먼트를 디코딩할 때 참조하여 사용할 수 있기 때문에 화면의 끊김 없이 멀티미디어 컨텐츠를 제공할 수 있다.
PCT/KR2011/007340 2010-10-06 2011-10-05 Ｈｔｔｐ 스트리밍의 표현 스위칭시 자연스런 재생을 위한 스케일러블한 ｈｔｔｐ 스트리밍 전송 방법 WO2012047004A2 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US13/877,995 US9369508B2 (en) 2010-10-06 2011-10-05 Method for transmitting a scalable HTTP stream for natural reproduction upon the occurrence of expression-switching during HTTP streaming
EP11830889.9A EP2627082A4 (en) 2010-10-06 2011-10-05 METHOD FOR TRANSMITTING A SCALABLE HTTP DATA STREAM FOR NATURAL REPRODUCTION WHEN OCCURRENCE OF EXPRESSION SWITCHING DURING THE HTTP DATA STREAM
CN201180055312.7A CN103210642B (zh) 2010-10-06 2011-10-05 在http流送期间发生表达切换时传送用于自然再现的可缩放http流的方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20100097247 2010-10-06
KR10-2010-0097247 2010-10-06

Publications (2)

Publication Number Publication Date
WO2012047004A2 WO2012047004A2 (ko) 2012-04-12
WO2012047004A3 true WO2012047004A3 (ko) 2012-05-31

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PCT/KR2011/007340 WO2012047004A2 (ko) 2010-10-06 2011-10-05 Ｈｔｔｐ 스트리밍의 표현 스위칭시 자연스런 재생을 위한 스케일러블한 ｈｔｔｐ 스트리밍 전송 방법

Country Status (5)

Country Link
US (1) US9369508B2 (ko)
EP (1) EP2627082A4 (ko)
KR (1) KR20120035881A (ko)
CN (1) CN103210642B (ko)
WO (1) WO2012047004A2 (ko)

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Also Published As

Publication number Publication date
WO2012047004A2 (ko) 2012-04-12
KR20120035881A (ko) 2012-04-16
CN103210642B (zh) 2017-03-29
US9369508B2 (en) 2016-06-14
CN103210642A (zh) 2013-07-17
US20130204973A1 (en) 2013-08-08
EP2627082A4 (en) 2014-04-09
EP2627082A2 (en) 2013-08-14

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