FR2740897B1 - METHOD AND DEVICE FOR IDENTIFYING AUDIO AND / OR VIDEO DATA, WITHOUT INTRODUCING PERCEPTIBLE INTERFERENCE - Google Patents

METHOD AND DEVICE FOR IDENTIFYING AUDIO AND / OR VIDEO DATA, WITHOUT INTRODUCING PERCEPTIBLE INTERFERENCE

Info

Publication number
FR2740897B1
FR2740897B1 FR9513089A FR9513089A FR2740897B1 FR 2740897 B1 FR2740897 B1 FR 2740897B1 FR 9513089 A FR9513089 A FR 9513089A FR 9513089 A FR9513089 A FR 9513089A FR 2740897 B1 FR2740897 B1 FR 2740897B1
Authority
FR
France
Prior art keywords
video data
identifying audio
perceptible interference
introducing perceptible
introducing
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.)
Expired - Fee Related
Application number
FR9513089A
Other languages
French (fr)
Other versions
FR2740897A1 (en
Inventor
Jacques Fric
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.)
Aeta Applic Electroniques Tech
Original Assignee
Aeta Applic Electroniques Tech
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 Aeta Applic Electroniques Tech filed Critical Aeta Applic Electroniques Tech
Priority to FR9513089A priority Critical patent/FR2740897B1/en
Publication of FR2740897A1 publication Critical patent/FR2740897A1/en
Application granted granted Critical
Publication of FR2740897B1 publication Critical patent/FR2740897B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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]
    • H04N21/80—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
    • H04N21/835—Generation of protective data, e.g. certificates
    • H04N21/8358—Generation of protective data, e.g. certificates involving watermark
    • 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
    • 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]
    • G06F21/16—Program or content traceability, e.g. by watermarking
    • 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
    • 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
    • G11B20/00884—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a watermark, i.e. a barely perceptible transformation of the original data which can nevertheless be recognised by an algorithm
    • 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
    • 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
    • H04N21/2389—Multiplex stream processing, e.g. multiplex stream encrypting
    • H04N21/23892—Multiplex stream processing, e.g. multiplex stream encrypting involving embedding information at multiplex stream level, e.g. embedding a watermark at packet level
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2211/00—Indexing scheme relating to details of data-processing equipment not covered by groups G06F3/00 - G06F13/00
    • G06F2211/007—Encryption, En-/decode, En-/decipher, En-/decypher, Scramble, (De-)compress
FR9513089A 1995-11-06 1995-11-06 METHOD AND DEVICE FOR IDENTIFYING AUDIO AND / OR VIDEO DATA, WITHOUT INTRODUCING PERCEPTIBLE INTERFERENCE Expired - Fee Related FR2740897B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9513089A FR2740897B1 (en) 1995-11-06 1995-11-06 METHOD AND DEVICE FOR IDENTIFYING AUDIO AND / OR VIDEO DATA, WITHOUT INTRODUCING PERCEPTIBLE INTERFERENCE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9513089A FR2740897B1 (en) 1995-11-06 1995-11-06 METHOD AND DEVICE FOR IDENTIFYING AUDIO AND / OR VIDEO DATA, WITHOUT INTRODUCING PERCEPTIBLE INTERFERENCE

Publications (2)

Publication Number Publication Date
FR2740897A1 FR2740897A1 (en) 1997-05-09
FR2740897B1 true FR2740897B1 (en) 1998-01-23

Family

ID=9484268

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9513089A Expired - Fee Related FR2740897B1 (en) 1995-11-06 1995-11-06 METHOD AND DEVICE FOR IDENTIFYING AUDIO AND / OR VIDEO DATA, WITHOUT INTRODUCING PERCEPTIBLE INTERFERENCE

Country Status (1)

Country Link
FR (1) FR2740897B1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0788282B1 (en) * 1996-02-05 2010-01-20 Panasonic Corporation Quantization method
JPH1132200A (en) * 1997-07-09 1999-02-02 Matsushita Electric Ind Co Ltd Watermark data insertion method and watermark data detection method
EP0905967A1 (en) * 1997-09-26 1999-03-31 Digital Copyright Technologies AG Method for generating digital watermarks and for exchanging data containing digital watermarks
ID25532A (en) * 1998-10-29 2000-10-12 Koninkline Philips Electronics ADDITIONAL DATA PLANTING IN THE INFORMATION SIGNAL
GB2348736B (en) * 1999-04-09 2003-09-24 Rakvere Ltd System for protection against copying on magnetic tape recorders
AU6311000A (en) * 1999-07-30 2001-02-19 Global Intertech Marketing Limited System and method for marking of audio data
GB2390247B (en) 2002-06-28 2006-04-12 Dwight Cavendish Systems Ltd An improved method and apparatus for providing an anti-copy video signal
GB0312985D0 (en) 2003-06-05 2003-07-09 Dwight Cavendish Systems Ltd Digital processing disruption systems
GB2419220B (en) 2004-10-13 2009-06-03 Dwight Cavendish Systems Ltd Audio copy protection system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3806411C2 (en) * 1988-02-29 1996-05-30 Thomson Brandt Gmbh Method of transmitting a sound signal and an additional signal
NL8901032A (en) * 1988-11-10 1990-06-01 Philips Nv CODER FOR INCLUDING ADDITIONAL INFORMATION IN A DIGITAL AUDIO SIGNAL WITH A PREFERRED FORMAT, A DECODER FOR DERIVING THIS ADDITIONAL INFORMATION FROM THIS DIGITAL SIGNAL, AN APPARATUS FOR RECORDING A DIGITAL SIGNAL ON A CODE OF RECORD. OBTAINED A RECORD CARRIER WITH THIS DEVICE.
DE69432480T2 (en) * 1993-11-18 2004-03-18 Digimarc Corp., Tualatin IDENTIFICATION / CERTIFICATION CODING METHOD AND DEVICE
KR0134318B1 (en) * 1994-01-28 1998-04-29 김광호 Bit distributed apparatus and method and decoder apparatus

Also Published As

Publication number Publication date
FR2740897A1 (en) 1997-05-09

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Legal Events

Date Code Title Description
ST Notification of lapse