GB2505225B - Method of communicating video data over a communication network, associated devices and system - Google Patents

Method of communicating video data over a communication network, associated devices and system

Info

Publication number
GB2505225B
GB2505225B GB1215045.4A GB201215045A GB2505225B GB 2505225 B GB2505225 B GB 2505225B GB 201215045 A GB201215045 A GB 201215045A GB 2505225 B GB2505225 B GB 2505225B
Authority
GB
United Kingdom
Prior art keywords
communication network
video data
data over
associated devices
communicating video
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
GB1215045.4A
Other versions
GB201215045D0 (en
GB2505225A (en
Inventor
Pascal Lagrange
Julien Sevin
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.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to GB1215045.4A priority Critical patent/GB2505225B/en
Publication of GB201215045D0 publication Critical patent/GB201215045D0/en
Publication of GB2505225A publication Critical patent/GB2505225A/en
Application granted granted Critical
Publication of GB2505225B publication Critical patent/GB2505225B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/1874—Buffer management
    • 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
    • H04N21/23406—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving management of server-side video buffer
    • 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]
    • H04N21/40—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
    • H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/44209—Monitoring of downstream path of the transmission network originating from a server, e.g. bandwidth variations of a wireless network
    • 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
    • H04N21/637—Control signals issued by the client directed to the server or network components
    • H04N21/6375—Control signals issued by the client directed to the server or network components for requesting retransmission, e.g. of data packets lost or corrupted during transmission from server
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/60—General implementation details not specific to a particular type of compression
    • H03M7/6047—Power optimization with respect to the encoder, decoder, storage or transmission
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/60—General implementation details not specific to a particular type of compression
    • H03M7/6064—Selection of Compressor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/60—General implementation details not specific to a particular type of compression
    • H03M7/6064—Selection of Compressor
    • H03M7/6076—Selection between compressors of the same type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/04—Protocols for data compression, e.g. ROHC
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Databases & Information Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
GB1215045.4A 2012-08-23 2012-08-23 Method of communicating video data over a communication network, associated devices and system Active GB2505225B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1215045.4A GB2505225B (en) 2012-08-23 2012-08-23 Method of communicating video data over a communication network, associated devices and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1215045.4A GB2505225B (en) 2012-08-23 2012-08-23 Method of communicating video data over a communication network, associated devices and system

Publications (3)

Publication Number Publication Date
GB201215045D0 GB201215045D0 (en) 2012-10-10
GB2505225A GB2505225A (en) 2014-02-26
GB2505225B true GB2505225B (en) 2014-12-03

Family

ID=47045295

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1215045.4A Active GB2505225B (en) 2012-08-23 2012-08-23 Method of communicating video data over a communication network, associated devices and system

Country Status (1)

Country Link
GB (1) GB2505225B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3386193A1 (en) * 2017-04-04 2018-10-10 Thomson Licensing Method of delivery of audiovisual content and corresponding device
CN110875909B (en) * 2018-08-31 2022-03-04 上海华为技术有限公司 Data transmission method and related device
CN113126885A (en) * 2020-01-14 2021-07-16 瑞昱半导体股份有限公司 Data writing method, data reading method and storage device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5128776A (en) * 1989-06-16 1992-07-07 Harris Corporation Prioritized image transmission system and method
US5621820A (en) * 1994-03-03 1997-04-15 Radius Inc. Video data compression method and system which measures compressed data storage time to optimize compression rate
US20070296822A1 (en) * 2006-06-09 2007-12-27 Yin-Chun Blue Lan Method and device for wireless video communication
US20110149790A1 (en) * 2008-08-25 2011-06-23 Tetsuo Mabuchi Communication device and header compression control method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5128776A (en) * 1989-06-16 1992-07-07 Harris Corporation Prioritized image transmission system and method
US5621820A (en) * 1994-03-03 1997-04-15 Radius Inc. Video data compression method and system which measures compressed data storage time to optimize compression rate
US20070296822A1 (en) * 2006-06-09 2007-12-27 Yin-Chun Blue Lan Method and device for wireless video communication
US20110149790A1 (en) * 2008-08-25 2011-06-23 Tetsuo Mabuchi Communication device and header compression control method

Also Published As

Publication number Publication date
GB201215045D0 (en) 2012-10-10
GB2505225A (en) 2014-02-26

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