WO2008012739A3 - Media playback decoder tracing - Google Patents

Media playback decoder tracing Download PDF

Info

Publication number
WO2008012739A3
WO2008012739A3 PCT/IB2007/052887 IB2007052887W WO2008012739A3 WO 2008012739 A3 WO2008012739 A3 WO 2008012739A3 IB 2007052887 W IB2007052887 W IB 2007052887W WO 2008012739 A3 WO2008012739 A3 WO 2008012739A3
Authority
WO
WIPO (PCT)
Prior art keywords
decoder
file
traced
tracing
media playback
Prior art date
Application number
PCT/IB2007/052887
Other languages
French (fr)
Other versions
WO2008012739A2 (en
Inventor
Philippe Gentric
Original Assignee
Nxp Bv
Philippe Gentric
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 Nxp Bv, Philippe Gentric filed Critical Nxp Bv
Priority to CN2007800277027A priority Critical patent/CN101496008B/en
Priority to US12/374,585 priority patent/US8826442B2/en
Priority to JP2009521401A priority patent/JP2009545224A/en
Priority to EP07825938.9A priority patent/EP2050025B1/en
Publication of WO2008012739A2 publication Critical patent/WO2008012739A2/en
Publication of WO2008012739A3 publication Critical patent/WO2008012739A3/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2107—File encryption
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S705/00—Data processing: financial, business practice, management, or cost/price determination
    • Y10S705/901—Digital rights management
    • Y10S705/904—Usage protection of distributed files
    • Y10S705/908—Software or content usage protection

Abstract

A method of identifying a traced media playbackdecoder embedded in a device, wherein data representative of a trace message is included in the content field of a media content file and a trigger string (16) is included in the user data field of the file. The file is input to the decoder, and a traced decoder is arranged and configured to render the trace message in a desired format in response to detection of the trigger string. If the decoder is not the traced decoder, the trigger string will be disregarded and the component will try and process the media content file like a normal media content file, which results in an error.
PCT/IB2007/052887 2006-07-28 2007-07-19 Media playback decoder tracing WO2008012739A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN2007800277027A CN101496008B (en) 2006-07-28 2007-07-19 Media playback decoder tracing
US12/374,585 US8826442B2 (en) 2006-07-28 2007-07-19 Media playback decoder tracing
JP2009521401A JP2009545224A (en) 2006-07-28 2007-07-19 Media playback decoder and tracking method thereof
EP07825938.9A EP2050025B1 (en) 2006-07-28 2007-07-19 Media playback decoder tracing

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP06300838.7 2006-07-28
EP06300838 2006-07-28

Publications (2)

Publication Number Publication Date
WO2008012739A2 WO2008012739A2 (en) 2008-01-31
WO2008012739A3 true WO2008012739A3 (en) 2008-10-16

Family

ID=38981854

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2007/052887 WO2008012739A2 (en) 2006-07-28 2007-07-19 Media playback decoder tracing

Country Status (5)

Country Link
US (1) US8826442B2 (en)
EP (1) EP2050025B1 (en)
JP (1) JP2009545224A (en)
CN (1) CN101496008B (en)
WO (1) WO2008012739A2 (en)

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FR2814889A1 (en) * 2000-09-29 2002-04-05 Koninkl Philips Electronics Nv INFORMATION RECEIVER FROM A MULTITUDE OF PROGRAMS AND METHOD FOR RECEIVING A PROGRAM AMONG A MUTITUDE
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Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0853294A2 (en) * 1997-01-08 1998-07-15 International Business Machines Corporation Method and system for producing and verifying watermarks
US20050033965A1 (en) * 1998-01-30 2005-02-10 Canon Kabushiki Kaisha Extracting embedded information from digital image data
WO1999063443A1 (en) * 1998-06-01 1999-12-09 Datamark Technologies Pte Ltd. Methods for embedding image, audio and video watermarks in digital data
WO2001061508A1 (en) * 2000-02-17 2001-08-23 Digimarc Corporation Watermark encoder and decoder enabled software and devices
US20020120634A1 (en) * 2000-02-25 2002-08-29 Liu Min Infrastructure and method for supporting generic multimedia metadata
US20050276440A1 (en) * 2001-03-05 2005-12-15 Rhoads Geoffrey B Using steganographic encoded information with maps
EP1351187A2 (en) * 2002-03-18 2003-10-08 Eastman Kodak Company Digital image storage method

Also Published As

Publication number Publication date
WO2008012739A2 (en) 2008-01-31
JP2009545224A (en) 2009-12-17
CN101496008A (en) 2009-07-29
CN101496008B (en) 2012-05-23
EP2050025B1 (en) 2017-11-15
US8826442B2 (en) 2014-09-02
US20090288172A1 (en) 2009-11-19
EP2050025A2 (en) 2009-04-22

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