ATE319163T1 - Extrahieren von zusatzdaten in einem informationssignal - Google Patents

Extrahieren von zusatzdaten in einem informationssignal

Info

Publication number
ATE319163T1
ATE319163T1 AT99955969T AT99955969T ATE319163T1 AT E319163 T1 ATE319163 T1 AT E319163T1 AT 99955969 T AT99955969 T AT 99955969T AT 99955969 T AT99955969 T AT 99955969T AT E319163 T1 ATE319163 T1 AT E319163T1
Authority
AT
Austria
Prior art keywords
information signal
additional data
extracting additional
extracting
data
Prior art date
Application number
AT99955969T
Other languages
English (en)
Inventor
Johan P M G Linnartz
Franciscus L A J Kamperman
Erwin Kragt
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE319163T1 publication Critical patent/ATE319163T1/de

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
    • 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
    • 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
    • G11B20/00007—Time or data compression or expansion
    • 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
    • G11B20/00992—Circuits for stereophonic or quadraphonic recording or reproducing
    • 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
    • G11B20/00007—Time or data compression or expansion
    • G11B2020/00014—Time or data compression or expansion the compressed signal being an audio signal
    • G11B2020/00065—Sigma-delta audio encoding

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Television Systems (AREA)
AT99955969T 1998-11-17 1999-11-09 Extrahieren von zusatzdaten in einem informationssignal ATE319163T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP98203899 1998-11-17

Publications (1)

Publication Number Publication Date
ATE319163T1 true ATE319163T1 (de) 2006-03-15

Family

ID=8234356

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99955969T ATE319163T1 (de) 1998-11-17 1999-11-09 Extrahieren von zusatzdaten in einem informationssignal

Country Status (15)

Country Link
US (2) US6574349B1 (de)
EP (1) EP1050045B1 (de)
JP (1) JP2002530707A (de)
KR (1) KR100586872B1 (de)
CN (1) CN1155260C (de)
AR (1) AR021303A1 (de)
AT (1) ATE319163T1 (de)
AU (1) AU1270300A (de)
BR (1) BR9907017A (de)
DE (1) DE69930143T2 (de)
HU (1) HUP0101093A3 (de)
IL (1) IL137311A0 (de)
PL (1) PL342033A1 (de)
RU (1) RU2249260C2 (de)
WO (1) WO2000030101A1 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6516079B1 (en) * 2000-02-14 2003-02-04 Digimarc Corporation Digital watermark screening and detecting strategies
US6944298B1 (en) * 1993-11-18 2005-09-13 Digimare Corporation Steganographic encoding and decoding of auxiliary codes in media signals
DE60037088T2 (de) * 1999-04-16 2008-09-04 Sony Corp. Datenverarbeitungssystem, datenverarbeitungsverfahren, und datenprozessor
US6947893B1 (en) * 1999-11-19 2005-09-20 Nippon Telegraph & Telephone Corporation Acoustic signal transmission with insertion signal for machine control
JP2002043945A (ja) * 2000-07-19 2002-02-08 Sony Corp ディジタル信号符号化装置及び方法、ディジタル信号復号装置及び方法、並びにディジタル信号伝送システム
CN1237798C (zh) * 2000-11-08 2006-01-18 皇家菲利浦电子有限公司 传送指令的方法与设备
US7203335B2 (en) * 2001-08-07 2007-04-10 Gabriel Fielding System and method for extracting a watermark signal in a digital image sequence
US6696989B2 (en) 2001-09-17 2004-02-24 Matsushita Electric Industrial Co., Ltd. Data-update apparatus, reproduction apparatus, data-addition apparatus, data-detection apparatus and data-removal apparatus
WO2003090463A2 (en) * 2002-04-19 2003-10-30 Koninklijke Philips Electronics N.V. Conditional access system and apparatus
WO2003107670A1 (en) * 2002-06-12 2003-12-24 Koninklijke Philips Electronics N.V. Conditional access apparatus and method
US7409002B2 (en) * 2003-09-30 2008-08-05 Intel Corporation Signal modulation
US7451093B2 (en) * 2004-04-29 2008-11-11 Srs Labs, Inc. Systems and methods of remotely enabling sound enhancement techniques
EP1898396A1 (de) * 2006-09-07 2008-03-12 Deutsche Thomson-Brandt Gmbh Verfahren und Vorrichtung zur Kodierung und Dekodierung von nutzlasttragenden Zeichen zur Einbettung eines Wasserzeichens in ein Audio- oder Videosignal
US8050434B1 (en) 2006-12-21 2011-11-01 Srs Labs, Inc. Multi-channel audio enhancement system
US7729163B2 (en) * 2008-03-26 2010-06-01 Micron Technology, Inc. Phase change memory
US8442466B2 (en) * 2009-06-26 2013-05-14 Qualcomm Incorporated FM transmitter with a delta-sigma modulator and a phase-locked loop
RU2492579C2 (ru) * 2010-09-14 2013-09-10 Общество с ограниченной ответственностью "Цифрасофт" Устройство вставки цифровой информации в аудиосигнал
CN102592597B (zh) * 2011-01-17 2014-08-13 鸿富锦精密工业（深圳）有限公司 电子装置及音频数据的版权保护方法
US20120254454A1 (en) * 2011-03-29 2012-10-04 On24, Inc. Image-based synchronization system and method
US9823892B2 (en) 2011-08-26 2017-11-21 Dts Llc Audio adjustment system
RU2554507C2 (ru) * 2013-06-11 2015-06-27 Общество с ограниченной ответственностью "Цифрософт" Способ и система передачи цифровой информации в канале радиовещания

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5255301A (en) * 1975-10-30 1977-05-06 Sony Corp Stereo demodulation circuit
GB8330885D0 (en) * 1983-11-18 1983-12-29 British Telecomm Data transmission
GB8826927D0 (en) * 1988-11-17 1988-12-21 British Broadcasting Corp Aligning two audio signals in time for editing
FR2655439B1 (fr) * 1989-12-01 1992-05-15 Bertin & Cie Procede et dispositif de comparaison de deux signaux analogiques variables.
GB9203911D0 (en) * 1992-02-24 1992-04-08 Emi Plc Thorn Alignment corresponding segments of a digital signal and a digital reference signal
FI90934C (fi) * 1992-04-13 1994-04-11 Salon Televisiotehdas Oy Menetelmä digitaalisen informaation sisällyttämiseksi audiosignaaliin ennen sen kanavakoodausta
GB9500285D0 (en) * 1995-01-07 1995-03-01 Central Research Lab Ltd A method of labelling an audio signal
US5719937A (en) * 1995-12-06 1998-02-17 Solana Technology Develpment Corporation Multi-media copy management system
PL329943A1 (en) * 1997-01-27 1999-04-26 Koninkl Philips Electronics Nv Method of entering additional data into an encoded signal
JPH10327382A (ja) * 1997-05-22 1998-12-08 Sony Corp 情報付加抽出方法、情報信号処理装置および情報信号記録媒体
US6330673B1 (en) * 1998-10-14 2001-12-11 Liquid Audio, Inc. Determination of a best offset to detect an embedded pattern

Also Published As

Publication number Publication date
CN1288564A (zh) 2001-03-21
JP2002530707A (ja) 2002-09-17
EP1050045A1 (de) 2000-11-08
KR20010034181A (ko) 2001-04-25
KR100586872B1 (ko) 2006-06-07
EP1050045B1 (de) 2006-03-01
DE69930143D1 (de) 2006-04-27
AU1270300A (en) 2000-06-05
HUP0101093A3 (en) 2003-04-28
DE69930143T2 (de) 2006-11-16
US20030185418A1 (en) 2003-10-02
BR9907017A (pt) 2000-10-17
AR021303A1 (es) 2002-07-03
PL342033A1 (en) 2001-05-21
WO2000030101A1 (en) 2000-05-25
RU2249260C2 (ru) 2005-03-27
HUP0101093A2 (hu) 2001-07-30
US6574349B1 (en) 2003-06-03
IL137311A0 (en) 2001-07-24
CN1155260C (zh) 2004-06-23

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Legal Events

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