JP4936751B2 - 迅速なメディアチャネル切り替え機構、および該機構を含むアクセスネットワークノード - Google Patents

迅速なメディアチャネル切り替え機構、および該機構を含むアクセスネットワークノード Download PDF

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JP4936751B2
JP4936751B2 JP2006073949A JP2006073949A JP4936751B2 JP 4936751 B2 JP4936751 B2 JP 4936751B2 JP 2006073949 A JP2006073949 A JP 2006073949A JP 2006073949 A JP2006073949 A JP 2006073949A JP 4936751 B2 JP4936751 B2 JP 4936751B2
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media stream
packet
buffer
request
unicast
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JP2006287926A5 (enExample
JP2006287926A (ja
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ランドール・ビー・シヤープ
ベン・クロスビー
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アルカテル−ルーセント
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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
    • H04N21/64—Addressing
    • H04N21/6408—Unicasting
    • 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
    • H04N21/21—Server components or server architectures
    • H04N21/222—Secondary servers, e.g. proxy server, cable television Head-end
    • 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
    • H04N21/231—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion
    • H04N21/23106—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion involving caching operations
    • 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
    • H04N21/23424—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving splicing one content stream with another content stream, e.g. for inserting or substituting an advertisement
    • 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
    • H04N21/26616—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 for merging a unicast channel into a multicast channel, e.g. in a VOD application, when a client served by unicast channel catches up a multicast channel to save bandwidth
    • 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 encoded video stream 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
    • 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
    • H04N21/44—Processing 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
    • H04N21/44016—Processing 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 involving splicing one content stream with another content stream, e.g. for substituting a video clip
    • 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
    • H04N21/64—Addressing
    • H04N21/6405—Multicasting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309—Transmission or handling of upstream communications
    • H04N7/17318—Direct or substantially direct transmission and handling of requests

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Business, Economics & Management (AREA)
  • Marketing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
JP2006073949A 2005-04-01 2006-03-17 迅速なメディアチャネル切り替え機構、および該機構を含むアクセスネットワークノード Expired - Fee Related JP4936751B2 (ja)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US66735705P 2005-04-01 2005-04-01
US60/667,357 2005-04-01
US11/311,046 2005-12-19
US11/311,046 US7804831B2 (en) 2005-04-01 2005-12-19 Rapid media channel changing mechanism and access network node comprising same

Publications (3)

Publication Number Publication Date
JP2006287926A JP2006287926A (ja) 2006-10-19
JP2006287926A5 JP2006287926A5 (enExample) 2009-04-30
JP4936751B2 true JP4936751B2 (ja) 2012-05-23

Family

ID=36593167

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JP2006073949A Expired - Fee Related JP4936751B2 (ja) 2005-04-01 2006-03-17 迅速なメディアチャネル切り替え機構、および該機構を含むアクセスネットワークノード

Country Status (4)

Country Link
US (1) US7804831B2 (enExample)
EP (1) EP1708506B1 (enExample)
JP (1) JP4936751B2 (enExample)
CN (1) CN1842160B (enExample)

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US8510787B2 (en) * 2005-12-19 2013-08-13 Alcatel Lucent Access node capable of dynamic channel caching
KR100770872B1 (ko) * 2006-02-17 2007-10-26 삼성전자주식회사 디지털 멀티미디어 방송 시스템에서 채널 전환 시간 단축을위한 데이터 수신장치 및 방법
ATE508569T1 (de) 2006-08-31 2011-05-15 Ericsson Telefon Ab L M Unicast/multicast-media-edge-proxy mit schnellem kanalwechsel
WO2008076023A1 (en) * 2006-12-20 2008-06-26 Telefonaktiebolaget L M Ericsson (Publ) Method and a node in an iptv network
CN100496120C (zh) * 2006-12-22 2009-06-03 华为技术有限公司 一种数字媒体频道切换方法及系统
CN101682753B (zh) * 2007-06-13 2013-05-22 汤姆森许可贸易公司 减小频道切换时间的系统和方法
KR100880893B1 (ko) * 2007-09-14 2009-01-30 한국전자통신연구원 복수의 멀티캐스트를 이용한 ｉｐｔｖ 고속 채널 전환을위한 장치 및 그 방법
KR101468649B1 (ko) * 2008-03-06 2014-12-04 삼성전자주식회사 광대역 무선통신 시스템에서 단말의 멀티캐스트 및 브로드캐스트 서비스 채널 변경 장치 및 방법
CN102017517B (zh) * 2008-05-02 2013-12-25 爱立信电话股份有限公司 广播/多播网络中内容输送的控制
CN101742269A (zh) * 2008-11-17 2010-06-16 华为技术有限公司 一种频道切换方法、装置和系统
CN101753973B (zh) * 2008-12-12 2013-01-02 华为技术有限公司 一种频道切换方法、装置和系统
JP5650197B2 (ja) * 2009-03-31 2015-01-07 テレフオンアクチーボラゲット エル エム エリクソン（パブル） マルチキャスト配信を通じてメディアを提供するシステムのための方法及び装置
US8161515B2 (en) * 2009-05-13 2012-04-17 Alcatel Lucent Fast channel change handling of late multicast join
CN101924910B (zh) * 2009-06-12 2012-10-03 华为技术有限公司 频道切换过程中数据发送方法及接收方法和装置
CN101588494B (zh) * 2009-06-30 2011-09-21 华为技术有限公司 一种媒体流处理方法及通讯系统以及相关设备
CN101938456B (zh) 2009-06-30 2014-03-12 华为技术有限公司 一种减小媒体延迟的方法、设备及系统
KR101268629B1 (ko) * 2009-11-05 2013-05-29 한국전자통신연구원 시청률 예측 연동 복수 멀티캐스트를 이용한 고속 채널 전환을 위한 채널 서버, 채널 예측 서버, 단말기 및 그 방법
EP2668778A4 (en) * 2011-01-26 2014-07-23 Ericsson Telefon Ab L M METHOD AND SERVER FOR RAPID CHANNEL CHANGE IN IPTV / IPTV MULTICAST / INDIVIDUAL NETWORKS
US20120243537A1 (en) * 2011-03-24 2012-09-27 Comcast Cable Communications, Llc Transmission of content through access network
US8819264B2 (en) * 2011-07-18 2014-08-26 Verizon Patent And Licensing Inc. Systems and methods for dynamically switching between unicast and multicast delivery of media content in a wireless network
US8904014B2 (en) * 2012-03-15 2014-12-02 International Business Machines Corporation Content delivery mechanisms for multicast communication
CN103780404A (zh) * 2012-10-25 2014-05-07 中国科学院声学研究所 一种基于广播通道的文件传输方法
US11089341B2 (en) 2018-05-11 2021-08-10 Prowire Sport Llc System and method for capturing and distributing a live audio stream of a live event in real-time
US11606407B2 (en) 2018-07-05 2023-03-14 Prowire Sport Limited System and method for capturing and distributing live audio streams of a live event

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US20030048808A1 (en) * 2001-09-12 2003-03-13 Stahl Thomas Anthony Method and apparatus for changing received streaming content channels
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US20030200548A1 (en) * 2001-12-27 2003-10-23 Paul Baran Method and apparatus for viewer control of digital TV program start time
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Also Published As

Publication number Publication date
CN1842160A (zh) 2006-10-04
US7804831B2 (en) 2010-09-28
US20060222323A1 (en) 2006-10-05
CN1842160B (zh) 2011-12-28
EP1708506B1 (en) 2019-06-05
EP1708506A3 (en) 2007-12-05
JP2006287926A (ja) 2006-10-19
EP1708506A2 (en) 2006-10-04

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