ATE376293T1 - Vorrichtung zur kodierung von hilfsinformationen in einem signal - Google Patents

Vorrichtung zur kodierung von hilfsinformationen in einem signal

Info

Publication number
ATE376293T1
ATE376293T1 AT02775092T AT02775092T ATE376293T1 AT E376293 T1 ATE376293 T1 AT E376293T1 AT 02775092 T AT02775092 T AT 02775092T AT 02775092 T AT02775092 T AT 02775092T AT E376293 T1 ATE376293 T1 AT E376293T1
Authority
AT
Austria
Prior art keywords
signal
encoding
auxiliary information
components
filtering
Prior art date
Application number
AT02775092T
Other languages
English (en)
Inventor
Aweke Lemma
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 ATE376293T1 publication Critical patent/ATE376293T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/28—Arrangements for simultaneous broadcast of plural pieces of information
    • H04H20/30—Arrangements for simultaneous broadcast of plural pieces of information by a single channel
    • H04H20/31—Arrangements for simultaneous broadcast of plural pieces of information by a single channel using in-band signals, e.g. subsonic or cue 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Dc Digital Transmission (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
AT02775092T 2001-10-17 2002-10-16 Vorrichtung zur kodierung von hilfsinformationen in einem signal ATE376293T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01203966 2001-10-17

Publications (1)

Publication Number Publication Date
ATE376293T1 true ATE376293T1 (de) 2007-11-15

Family

ID=8181095

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02775092T ATE376293T1 (de) 2001-10-17 2002-10-16 Vorrichtung zur kodierung von hilfsinformationen in einem signal

Country Status (9)

Country Link
US (1) US20040247119A1 (de)
EP (1) EP1442542B1 (de)
JP (1) JP4494784B2 (de)
KR (1) KR20040058203A (de)
CN (1) CN100596041C (de)
AT (1) ATE376293T1 (de)
BR (1) BR0206148A (de)
DE (1) DE60223067T2 (de)
WO (1) WO2003034627A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101253550B (zh) * 2005-05-26 2013-03-27 Lg电子株式会社 将音频信号编解码的方法

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4123625A (en) * 1977-11-03 1978-10-31 Northern Telecom Limited Digital regenerator having improving noise immunity
US4388638A (en) * 1981-01-19 1983-06-14 Rca Corporation De-emphasis for digitized composite color television signals
US5509089A (en) * 1993-09-09 1996-04-16 Intel Corporation Method and system for encoding images using temporal filtering
US5509086A (en) * 1993-12-23 1996-04-16 International Business Machines Corporation Automatic cross color elimination
US5450490A (en) * 1994-03-31 1995-09-12 The Arbitron Company Apparatus and methods for including codes in audio signals and decoding
US6584138B1 (en) * 1996-03-07 2003-06-24 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Coding process for inserting an inaudible data signal into an audio signal, decoding process, coder and decoder
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
US5940135A (en) * 1997-05-19 1999-08-17 Aris Technologies, Inc. Apparatus and method for encoding and decoding information in analog signals
JPH11110913A (ja) * 1997-10-01 1999-04-23 Sony Corp 音声情報伝送装置及び方法、並びに音声情報受信装置及び方法、並びに記録媒体
JP3986150B2 (ja) * 1998-01-27 2007-10-03 興和株式会社 一次元データへの電子透かし
JP2000089796A (ja) * 1998-09-16 2000-03-31 Nippon Hoso Kyokai <Nhk> 音響信号へのデータ埋め込み装置およびデータ抽出装置
JP3365331B2 (ja) * 1999-02-01 2003-01-08 ヤマハ株式会社 ベクトル量子化装置およびベクトル量子化方法
JP3735521B2 (ja) * 1999-09-30 2006-01-18 株式会社東芝 埋め込み符号生成方法及び装置、埋め込み符号検出方法及び装置並びに電子透かし埋め込み装置
JP4771635B2 (ja) * 1999-10-06 2011-09-14 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 一次元の情報信号へのウォーターマークの埋め込み及び検出
US7058570B1 (en) * 2000-02-10 2006-06-06 Matsushita Electric Industrial Co., Ltd. Computer-implemented method and apparatus for audio data hiding
US7020303B2 (en) * 2000-03-18 2006-03-28 Digimarc Corporation Feature-based watermarks and watermark detection strategies
JP3658279B2 (ja) * 2000-05-30 2005-06-08 株式会社ミュージックゲート 電子透かし作成方法
KR100611094B1 (ko) * 2000-06-15 2006-08-09 주식회사 케이티 통계적 모델에 기반한 워터마크 삽입/검출 장치 및 그 방법
FI20001592L (fi) * 2000-07-03 2002-04-11 Elmorex Ltd Oy Nuottipohjaisen koodin generointi
JP3843712B2 (ja) * 2000-08-04 2006-11-08 日本ビクター株式会社 デジタルオーディオデータに対する情報付加方法および付加情報読み出し装置
US6674876B1 (en) * 2000-09-14 2004-01-06 Digimarc Corporation Watermarking in the time-frequency domain
US7424074B2 (en) * 2005-04-19 2008-09-09 Hitachi Global Storage Technologies Netherlands B.V. Optimizing detector target polynomials in read/write channels to achieve best error rate performance in disk drives

Also Published As

Publication number Publication date
EP1442542A1 (de) 2004-08-04
DE60223067T2 (de) 2008-08-21
JP2005506570A (ja) 2005-03-03
WO2003034627A1 (en) 2003-04-24
CN100596041C (zh) 2010-03-24
DE60223067D1 (de) 2007-11-29
BR0206148A (pt) 2003-11-11
KR20040058203A (ko) 2004-07-03
JP4494784B2 (ja) 2010-06-30
EP1442542B1 (de) 2007-10-17
US20040247119A1 (en) 2004-12-09
CN1572072A (zh) 2005-01-26

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