GB0327030D0 - A method of enhancing data transfer in a communication system - Google Patents

A method of enhancing data transfer in a communication system

Info

Publication number
GB0327030D0
GB0327030D0 GB0327030A GB0327030A GB0327030D0 GB 0327030 D0 GB0327030 D0 GB 0327030D0 GB 0327030 A GB0327030 A GB 0327030A GB 0327030 A GB0327030 A GB 0327030A GB 0327030 D0 GB0327030 D0 GB 0327030D0
Authority
GB
United Kingdom
Prior art keywords
communication system
data transfer
enhancing data
enhancing
transfer
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.)
Withdrawn
Application number
GB0327030A
Other versions
GB2408402A (en
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.)
Roke Manor Research Ltd
Original Assignee
Roke Manor Research Ltd
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 Roke Manor Research Ltd filed Critical Roke Manor Research Ltd
Priority to GB0327030A priority Critical patent/GB2408402A/en
Publication of GB0327030D0 publication Critical patent/GB0327030D0/en
Priority to PCT/GB2004/004368 priority patent/WO2005055603A1/en
Publication of GB2408402A publication Critical patent/GB2408402A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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, manipulating MPEG-4 scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 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, manipulating MPEG-4 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]
    • H04N21/20—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, manipulating MPEG-4 scene graphs
    • H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving video stream encryption
    • H04N21/23476—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving video stream encryption by partially encrypting, e.g. encrypting the ending portion of a movie
    • 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, rendering scenes according to MPEG-4 scene graphs
    • H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video stream decryption
    • H04N21/44055—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video stream decryption by partially decrypting, e.g. decrypting a video stream that has been partially encrypted
    • 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
    • H04N21/631—Multimode Transmission, e.g. transmitting basic layers and enhancement layers of the content over different transmission paths or transmitting with different error corrections, different keys or with different transmission protocols
    • 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
    • H04N21/85—Assembly of content; Generation of multimedia applications
    • H04N21/854—Content authoring
    • H04N21/8549—Creating video summaries, e.g. movie trailer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
GB0327030A 2003-11-19 2003-11-19 Transmission of non-encrypted data with encrypted data to entice subscription Withdrawn GB2408402A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0327030A GB2408402A (en) 2003-11-19 2003-11-19 Transmission of non-encrypted data with encrypted data to entice subscription
PCT/GB2004/004368 WO2005055603A1 (en) 2003-11-19 2004-10-14 A method of enhancing data transfer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0327030A GB2408402A (en) 2003-11-19 2003-11-19 Transmission of non-encrypted data with encrypted data to entice subscription

Publications (2)

Publication Number Publication Date
GB0327030D0 true GB0327030D0 (en) 2003-12-24
GB2408402A GB2408402A (en) 2005-05-25

Family

ID=29764153

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0327030A Withdrawn GB2408402A (en) 2003-11-19 2003-11-19 Transmission of non-encrypted data with encrypted data to entice subscription

Country Status (2)

Country Link
GB (1) GB2408402A (en)
WO (1) WO2005055603A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0806385D0 (en) * 2008-04-08 2008-05-14 Qualcomm Inc Radio communications system and method with increased channel capacity
IL203785A (en) 2007-09-12 2014-07-31 Qualcomm Inc Capacity increasing devices and methods for wireless communication
US9253541B2 (en) 2013-02-26 2016-02-02 Google Inc. Method for one-click subscribing to multiple channels of information on a single topic
US9578382B2 (en) * 2013-06-26 2017-02-21 Google Inc. Subscribable channel collections
GB2539027B (en) 2015-06-04 2019-04-17 Thales Holdings Uk Plc Video compression with increased fidelity near horizon

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2655802B1 (en) * 1989-12-08 1992-01-24 Europ Rech Electr Lab METHOD FOR PROMOTING TELEVISION TELEVISION TRANSMISSIONS AND DEVICE FOR IMPLEMENTING SAME.
FI97928C (en) * 1994-03-21 1997-03-10 Nokia Technology Gmbh Method of encrypting a television transmission transmitted in digital form
FR2718594B1 (en) * 1994-04-06 1996-04-26 France Telecom Method for broadcasting programs with progressive conditional access and separating the flow of information.
US6041316A (en) * 1994-07-25 2000-03-21 Lucent Technologies Inc. Method and system for ensuring royalty payments for data delivered over a network
JPH08307848A (en) * 1995-04-27 1996-11-22 Pioneer Electron Corp Catv system
JP2002010251A (en) * 2000-06-19 2002-01-11 Matsushita Electric Ind Co Ltd Video signal coding device and video signal decoding device
US20030050070A1 (en) * 2001-03-14 2003-03-13 Alex Mashinsky Method and system for dynamic spectrum allocation and management
US20030063740A1 (en) * 2001-08-20 2003-04-03 Sagar Richard B. Method of providing multilevel quality signals

Also Published As

Publication number Publication date
WO2005055603A1 (en) 2005-06-16
GB2408402A (en) 2005-05-25

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)