JP7351340B2 - 制御装置、制御方法、及びプログラム - Google Patents

制御装置、制御方法、及びプログラム Download PDF

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Publication number
JP7351340B2
JP7351340B2 JP2021541356A JP2021541356A JP7351340B2 JP 7351340 B2 JP7351340 B2 JP 7351340B2 JP 2021541356 A JP2021541356 A JP 2021541356A JP 2021541356 A JP2021541356 A JP 2021541356A JP 7351340 B2 JP7351340 B2 JP 7351340B2
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JP
Japan
Prior art keywords
distribution
information
control device
bit rate
client terminal
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JP2021541356A
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English (en)
Japanese (ja)
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JPWO2021033234A1 (https=
Inventor
裕之 北田
隆文 奥山
正祥 安川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NTT Inc
NTT Inc USA
Original Assignee
Nippon Telegraph and Telephone Corp
NTT Inc USA
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Publication of JPWO2021033234A1 publication Critical patent/JPWO2021033234A1/ja
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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
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462—Content or additional data management e.g. creating a master electronic programme guide from data received from the Internet and a Head-end or controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4621—Controlling the complexity of the content stream or additional data, e.g. lowering the resolution or bit-rate of the video stream for a mobile client with a small screen
    • 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
    • H04N21/2385—Channel allocation; Bandwidth allocation
    • 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
    • H04N21/23439—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 for generating different versions
    • 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
    • H04N21/23805—Controlling the feeding rate to the network, e.g. by controlling the video pump
    • 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
    • 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
    • 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
    • H04N21/633—Control signals issued by server directed to the network components or client
    • H04N21/6332—Control signals issued by server directed to the network components or client directed to client

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
JP2021541356A 2019-08-19 2019-08-19 制御装置、制御方法、及びプログラム Active JP7351340B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/032279 WO2021033234A1 (ja) 2019-08-19 2019-08-19 制御装置、制御方法、及びプログラム

Publications (2)

Publication Number Publication Date
JPWO2021033234A1 JPWO2021033234A1 (https=) 2021-02-25
JP7351340B2 true JP7351340B2 (ja) 2023-09-27

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JP2021541356A Active JP7351340B2 (ja) 2019-08-19 2019-08-19 制御装置、制御方法、及びプログラム

Country Status (3)

Country Link
US (1) US11838452B2 (https=)
JP (1) JP7351340B2 (https=)
WO (1) WO2021033234A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6748323B1 (ja) * 2020-03-30 2020-08-26 株式会社ドワンゴ 動画配信装置、動画配信方法、および、動画配信プログラム
JP7698469B2 (ja) * 2021-05-24 2025-06-25 日本放送協会 配信ビットレート決定装置およびそのプログラム

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009246904A (ja) 2008-03-31 2009-10-22 Casio Hitachi Mobile Communications Co Ltd 通信装置、通信方法、プログラム
JP2012004969A (ja) 2010-06-18 2012-01-05 Nippon Hoso Kyokai <Nhk> コンテンツ配信装置及びプログラム
JP2014534684A (ja) 2011-10-05 2014-12-18 クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ コーディングされたマルチメディアデータのネットワークストリーミング中の表現の切り替え
JP2016007015A (ja) 2011-01-07 2016-01-14 シャープ株式会社 再生装置、再生装置の制御方法、生成装置、生成装置の制御方法、制御プログラム、及び該プログラムを記録した記録媒体

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006047727A2 (en) * 2004-10-27 2006-05-04 Eg Technology, Inc. Optimal rate allocation for a group of channels
US9049073B2 (en) * 2011-06-28 2015-06-02 Rovi Guides, Inc. Systems and methods for initializing allocations of transport streams based on historical data
WO2013043919A1 (en) * 2011-09-21 2013-03-28 General Instrument Corporation Constrained fidelity adaptive bitrate encoding systems and methods
US20170055007A1 (en) * 2015-08-19 2017-02-23 Ericsson Ab System and method for managing segment delivery and bandwidth responsive to encoding complexity metrics

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009246904A (ja) 2008-03-31 2009-10-22 Casio Hitachi Mobile Communications Co Ltd 通信装置、通信方法、プログラム
JP2012004969A (ja) 2010-06-18 2012-01-05 Nippon Hoso Kyokai <Nhk> コンテンツ配信装置及びプログラム
JP2016007015A (ja) 2011-01-07 2016-01-14 シャープ株式会社 再生装置、再生装置の制御方法、生成装置、生成装置の制御方法、制御プログラム、及び該プログラムを記録した記録媒体
JP2014534684A (ja) 2011-10-05 2014-12-18 クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ コーディングされたマルチメディアデータのネットワークストリーミング中の表現の切り替え

Also Published As

Publication number Publication date
US11838452B2 (en) 2023-12-05
WO2021033234A1 (ja) 2021-02-25
JPWO2021033234A1 (https=) 2021-02-25
US20220279249A1 (en) 2022-09-01

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