AU3656999A - Digital hidden data transport (dhdt) - Google Patents

Digital hidden data transport (dhdt)

Info

Publication number
AU3656999A
AU3656999A AU36569/99A AU3656999A AU3656999A AU 3656999 A AU3656999 A AU 3656999A AU 36569/99 A AU36569/99 A AU 36569/99A AU 3656999 A AU3656999 A AU 3656999A AU 3656999 A AU3656999 A AU 3656999A
Authority
AU
Australia
Prior art keywords
dhdt
data transport
hidden data
digital
digital hidden
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
AU36569/99A
Inventor
Edward Atrero
S. Katherine Lam
Chong U Lee
Julien J. Nicolas
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.)
Solana Technology Development Corp
Original Assignee
Solana Technology Development Corp
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 Solana Technology Development Corp filed Critical Solana Technology Development Corp
Publication of AU3656999A publication Critical patent/AU3656999A/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
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/018—Audio watermarking, i.e. embedding inaudible data in the audio signal
    • 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
    • G11B20/00891—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 embedded in audio data
    • 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
    • G11B20/00913—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 based on a spread spectrum technique
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/0022—PN, e.g. Kronecker
AU36569/99A 1998-05-12 1999-04-20 Digital hidden data transport (dhdt) Abandoned AU3656999A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US8518698P 1998-05-12 1998-05-12
US60085186 1998-05-12
PCT/US1999/008675 WO1999059258A1 (en) 1998-05-12 1999-04-20 Digital hidden data transport (dhdt)

Publications (1)

Publication Number Publication Date
AU3656999A true AU3656999A (en) 1999-11-29

Family

ID=22190006

Family Applications (1)

Application Number Title Priority Date Filing Date
AU36569/99A Abandoned AU3656999A (en) 1998-05-12 1999-04-20 Digital hidden data transport (dhdt)

Country Status (6)

Country Link
EP (1) EP1080545A4 (en)
JP (1) JP2002515678A (en)
AU (1) AU3656999A (en)
CA (1) CA2331898A1 (en)
MX (1) MXPA00011095A (en)
WO (1) WO1999059258A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8054969B2 (en) * 2007-02-15 2011-11-08 Avaya Inc. Transmission of a digital message interspersed throughout a compressed information signal
GB2460306B (en) * 2008-05-29 2013-02-13 Intrasonics Sarl Data embedding system

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4546342A (en) * 1983-12-14 1985-10-08 Digital Recording Research Limited Partnership Data compression method and apparatus
DE3523809A1 (en) * 1985-05-21 1986-11-27 Polygram Gmbh, 2000 Hamburg METHOD FOR TIME COMPRESSION OF INFORMATION IN DIGITAL FORM
JPH0191376A (en) * 1987-10-01 1989-04-11 Matsushita Electric Ind Co Ltd Auxiliary information recording method
GB8806452D0 (en) * 1988-03-18 1988-04-20 Imperial College Digital data security system
NL8802291A (en) * 1988-09-16 1990-04-17 Koninkl Philips Electronics Nv DEVICE FOR TRANSMITTING DATA WORDS WHICH REPRESENT A DIGITIZED ANALOGUE SIGNAL AND A DEVICE FOR RECEIVING THE TRANSMITTED DATA WORDS.
DE69232729T2 (en) * 1991-05-29 2003-04-24 Pacific Microsonics Inc Improvements in systems to achieve higher frequency resolution
GB9302982D0 (en) * 1993-02-15 1993-03-31 Gerzon Michael A Data transmission method in digital waveform signal words
US5673291A (en) * 1994-09-14 1997-09-30 Ericsson Inc. Simultaneous demodulation and decoding of a digitally modulated radio signal using known symbols
US6345145B1 (en) * 1995-08-25 2002-02-05 Sony Corporation Signal recording/reproducing method and apparatus, signal record medium and signal transmission/reception method and apparatus
US5822360A (en) * 1995-09-06 1998-10-13 Solana Technology Development Corporation Method and apparatus for transporting auxiliary data in audio signals
US5940429A (en) * 1997-02-25 1999-08-17 Solana Technology Development Corporation Cross-term compensation power adjustment of embedded auxiliary data in a primary data signal

Also Published As

Publication number Publication date
JP2002515678A (en) 2002-05-28
WO1999059258A1 (en) 1999-11-18
EP1080545A4 (en) 2001-11-14
MXPA00011095A (en) 2002-07-02
EP1080545A1 (en) 2001-03-07
CA2331898A1 (en) 1999-11-18

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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