AU7819100A - Method and apparatus for identification marking of a data stream - Google Patents

Method and apparatus for identification marking of a data stream

Info

Publication number
AU7819100A
AU7819100A AU78191/00A AU7819100A AU7819100A AU 7819100 A AU7819100 A AU 7819100A AU 78191/00 A AU78191/00 A AU 78191/00A AU 7819100 A AU7819100 A AU 7819100A AU 7819100 A AU7819100 A AU 7819100A
Authority
AU
Australia
Prior art keywords
data stream
identification marking
marking
identification
stream
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.)
Abandoned
Application number
AU78191/00A
Inventor
Bo Domstedt
Mats Stenfeldt
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.)
Protego Information AB
Original Assignee
Protego Information AB
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 Protego Information AB filed Critical Protego Information AB
Publication of AU7819100A publication Critical patent/AU7819100A/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
    • H04N2005/91335—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being a watermark

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
AU78191/00A 1999-09-24 2000-09-20 Method and apparatus for identification marking of a data stream Abandoned AU7819100A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9903461 1999-09-24
SE9903461A SE9903461L (en) 1999-09-24 1999-09-24 Method and apparatus for identifying a data stream
PCT/SE2000/001835 WO2001022406A1 (en) 1999-09-24 2000-09-20 Method and apparatus for identification marking of a data stream

Publications (1)

Publication Number Publication Date
AU7819100A true AU7819100A (en) 2001-04-24

Family

ID=20417141

Family Applications (1)

Application Number Title Priority Date Filing Date
AU78191/00A Abandoned AU7819100A (en) 1999-09-24 2000-09-20 Method and apparatus for identification marking of a data stream

Country Status (3)

Country Link
AU (1) AU7819100A (en)
SE (1) SE9903461L (en)
WO (1) WO2001022406A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9520993B2 (en) 2001-01-26 2016-12-13 International Business Machines Corporation Renewable traitor tracing
US7505593B2 (en) 2002-12-09 2009-03-17 International Business Machines Corporation Method for tracing traitors and preventing piracy of digital content in a broadcast encryption system
US7574514B2 (en) 2003-09-30 2009-08-11 Sharp Laboratories Of America, Inc. Systems and methods for identifying original streams of media content
US10587919B2 (en) 2017-09-29 2020-03-10 International Business Machines Corporation Cognitive digital video filtering based on user preferences
US11363352B2 (en) 2017-09-29 2022-06-14 International Business Machines Corporation Video content relationship mapping

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5394274A (en) * 1988-01-22 1995-02-28 Kahn; Leonard R. Anti-copy system utilizing audible and inaudible protection signals
JP3010930B2 (en) * 1992-09-24 2000-02-21 松下電器産業株式会社 Recording and playback device
JP3106985B2 (en) * 1996-12-25 2000-11-06 日本電気株式会社 Electronic watermark insertion device and detection device

Also Published As

Publication number Publication date
SE9903461L (en) 2001-03-25
WO2001022406A1 (en) 2001-03-29
SE9903461D0 (en) 1999-09-24

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase