GB0016792D0 - Method of and apparatus for transmitting data - Google Patents

Method of and apparatus for transmitting data

Info

Publication number
GB0016792D0
GB0016792D0 GB0016792A GB0016792A GB0016792D0 GB 0016792 D0 GB0016792 D0 GB 0016792D0 GB 0016792 A GB0016792 A GB 0016792A GB 0016792 A GB0016792 A GB 0016792A GB 0016792 D0 GB0016792 D0 GB 0016792D0
Authority
GB
United Kingdom
Prior art keywords
transmitting data
transmitting
data
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Withdrawn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
GB0016792A
Other versions
GB2353925A (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.)
Simoco International Ltd
Original Assignee
Simoco International 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 Simoco International Ltd filed Critical Simoco International Ltd
Publication of GB0016792D0 publication Critical patent/GB0016792D0/en
Publication of GB2353925A publication Critical patent/GB2353925A/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Withdrawn legal-status Critical Current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]
    • H04N21/40—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
    • 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
    • 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
    • H04N21/8455—Structuring of content, e.g. decomposing content into time segments involving pointers to the content, e.g. pointers to the I-frames of the video stream
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
GB0016792A 1999-07-09 2000-07-07 Transmitting differentially encoded data Withdrawn GB2353925A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9916181.2A GB9916181D0 (en) 1999-07-09 1999-07-09 Method and apparatus for transmitting data

Publications (2)

Publication Number Publication Date
GB0016792D0 true GB0016792D0 (en) 2000-08-30
GB2353925A GB2353925A (en) 2001-03-07

Family

ID=10857002

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9916181.2A Ceased GB9916181D0 (en) 1999-07-09 1999-07-09 Method and apparatus for transmitting data
GB0016792A Withdrawn GB2353925A (en) 1999-07-09 2000-07-07 Transmitting differentially encoded data

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9916181.2A Ceased GB9916181D0 (en) 1999-07-09 1999-07-09 Method and apparatus for transmitting data

Country Status (3)

Country Link
AU (1) AU6297000A (en)
GB (2) GB9916181D0 (en)
WO (1) WO2001004892A1 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8472792B2 (en) 2003-12-08 2013-06-25 Divx, Llc Multimedia distribution system
US7519274B2 (en) 2003-12-08 2009-04-14 Divx, Inc. File format for multiple track digital data
FR2872987A1 (en) * 2004-07-07 2006-01-13 Thomson Licensing Sa SECURED DEMULTIPLEXING DEVICE AND METHOD AND ASSOCIATED PRODUCTS
US7515710B2 (en) 2006-03-14 2009-04-07 Divx, Inc. Federated digital rights management scheme including trusted systems
CN101861583B (en) 2007-11-16 2014-06-04 索尼克Ip股份有限公司 Hierarchical and reduced index structures for multimedia files
CN105072454B (en) 2009-01-07 2019-04-19 索尼克Ip股份有限公司 For the specialization of the media guidance of online content, centralization, automation creation
EP2507995A4 (en) 2009-12-04 2014-07-09 Sonic Ip Inc Elementary bitstream cryptographic material transport systems and methods
FR2954643B1 (en) 2009-12-22 2012-06-01 Eads Defence & Security Sys SYNCHRONIZATION OF TERMINAL EQUIPMENT OF A COMMUNICATION SYSTEM
US9247312B2 (en) 2011-01-05 2016-01-26 Sonic Ip, Inc. Systems and methods for encoding source media in matroska container files for adaptive bitrate streaming using hypertext transfer protocol
US9467708B2 (en) 2011-08-30 2016-10-11 Sonic Ip, Inc. Selection of resolutions for seamless resolution switching of multimedia content
US8964977B2 (en) 2011-09-01 2015-02-24 Sonic Ip, Inc. Systems and methods for saving encoded media streamed using adaptive bitrate streaming
US8909922B2 (en) 2011-09-01 2014-12-09 Sonic Ip, Inc. Systems and methods for playing back alternative streams of protected content protected using common cryptographic information
US9191457B2 (en) 2012-12-31 2015-11-17 Sonic Ip, Inc. Systems, methods, and media for controlling delivery of content
US9313510B2 (en) 2012-12-31 2016-04-12 Sonic Ip, Inc. Use of objective quality measures of streamed content to reduce streaming bandwidth
US9906785B2 (en) 2013-03-15 2018-02-27 Sonic Ip, Inc. Systems, methods, and media for transcoding video data according to encoding parameters indicated by received metadata
US9094737B2 (en) 2013-05-30 2015-07-28 Sonic Ip, Inc. Network video streaming with trick play based on separate trick play files
US9866878B2 (en) 2014-04-05 2018-01-09 Sonic Ip, Inc. Systems and methods for encoding and playing back video at different frame rates using enhancement layers
KR102426067B1 (en) 2014-08-07 2022-07-28 디빅스, 엘엘씨 Systems and methods for protecting elementary bitstreams incorporating independently encoded tiles

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4817142A (en) * 1985-05-21 1989-03-28 Scientific Atlanta, Inc. Restoring framing in a communications system
DE69330358T2 (en) * 1992-09-22 2002-02-28 Sony Corp Device and method for processing digital video signals
US5600573A (en) * 1992-12-09 1997-02-04 Discovery Communications, Inc. Operations center with video storage for a television program packaging and delivery system
US5870149A (en) * 1993-03-12 1999-02-09 Motorola, Inc. Video/integrated land mobile dispatch radio and video unit
US5805700A (en) * 1996-10-15 1998-09-08 Intel Corporation Policy based selective encryption of compressed video data

Also Published As

Publication number Publication date
WO2001004892A1 (en) 2001-01-18
GB2353925A (en) 2001-03-07
AU6297000A (en) 2001-01-30
GB9916181D0 (en) 1999-09-08

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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)