DE69230308D1 - Transformationsverarbeitungsgerät und -verfahren und Medium zum Speichern komprimierter Digitaldaten - Google Patents

Transformationsverarbeitungsgerät und -verfahren und Medium zum Speichern komprimierter Digitaldaten

Info

Publication number
DE69230308D1
DE69230308D1 DE69230308T DE69230308T DE69230308D1 DE 69230308 D1 DE69230308 D1 DE 69230308D1 DE 69230308 T DE69230308 T DE 69230308T DE 69230308 T DE69230308 T DE 69230308T DE 69230308 D1 DE69230308 D1 DE 69230308D1
Authority
DE
Germany
Prior art keywords
medium
processing apparatus
digital data
compressed digital
transformation processing
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 - Lifetime
Application number
DE69230308T
Other languages
English (en)
Other versions
DE69230308T2 (de
Inventor
Kyoya Tsutsui
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE69230308D1 publication Critical patent/DE69230308D1/de
Publication of DE69230308T2 publication Critical patent/DE69230308T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • G06F17/147—Discrete orthonormal transforms, e.g. discrete cosine transform, discrete sine transform, and variations therefrom, e.g. modified discrete cosine transform, integer transforms approximating the discrete cosine transform
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • G06F17/141—Discrete Fourier transforms
    • G06F17/142—Fast Fourier transforms, e.g. using a Cooley-Tukey type algorithm

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Computational Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Theoretical Computer Science (AREA)
  • Discrete Mathematics (AREA)
  • Algebra (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Complex Calculations (AREA)
DE69230308T 1991-09-30 1992-09-28 Transformationsverarbeitungsgerät und -verfahren und Medium zum Speichern komprimierter Digitaldaten Expired - Lifetime DE69230308T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP27616591 1991-09-30

Publications (2)

Publication Number Publication Date
DE69230308D1 true DE69230308D1 (de) 1999-12-23
DE69230308T2 DE69230308T2 (de) 2000-05-31

Family

ID=17565642

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69230308T Expired - Lifetime DE69230308T2 (de) 1991-09-30 1992-09-28 Transformationsverarbeitungsgerät und -verfahren und Medium zum Speichern komprimierter Digitaldaten

Country Status (3)

Country Link
US (1) US5349549A (de)
EP (1) EP0535893B1 (de)
DE (1) DE69230308T2 (de)

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US6336180B1 (en) 1997-04-30 2002-01-01 Canon Kabushiki Kaisha Method, apparatus and system for managing virtual memory with virtual-physical mapping
DE69231369T2 (de) * 1991-09-30 2001-03-29 Sony Corp Verfahren und Einrichtung zur Audiodatenkompression
JPH06103301A (ja) * 1992-09-17 1994-04-15 Sony Corp ８ｘ８離散コサイン変換回路および８ｘ８離散コサイン逆変換回路
JPH06112909A (ja) * 1992-09-28 1994-04-22 Sony Corp 改良ｄｃｔの信号変換装置
JP3186292B2 (ja) * 1993-02-02 2001-07-11 ソニー株式会社 高能率符号化方法及び装置
WO1995002288A1 (en) * 1993-07-07 1995-01-19 Picturetel Corporation Reduction of background noise for speech enhancement
KR960010199B1 (ko) * 1993-07-16 1996-07-26 배순훈 디지탈 신호처리 칩 제어장치
AU689506B2 (en) * 1993-11-04 1998-04-02 Sony Corporation Signal encoder, signal decoder, recording medium and signal encoding method
US6611607B1 (en) 1993-11-18 2003-08-26 Digimarc Corporation Integrating digital watermarks in multimedia content
US6944298B1 (en) 1993-11-18 2005-09-13 Digimare Corporation Steganographic encoding and decoding of auxiliary codes in media signals
US6449377B1 (en) 1995-05-08 2002-09-10 Digimarc Corporation Methods and systems for watermark processing of line art images
US6614914B1 (en) 1995-05-08 2003-09-02 Digimarc Corporation Watermark embedder and reader
JP3186412B2 (ja) * 1994-04-01 2001-07-11 ソニー株式会社 情報符号化方法、情報復号化方法、及び情報伝送方法
JP3277682B2 (ja) * 1994-04-22 2002-04-22 ソニー株式会社 情報符号化方法及び装置、情報復号化方法及び装置、並びに情報記録媒体及び情報伝送方法
KR100357338B1 (ko) * 1994-08-02 2003-02-11 가부시끼가이샤 히다치 세이사꾸쇼 데이타처리시스템
US6167093A (en) * 1994-08-16 2000-12-26 Sony Corporation Method and apparatus for encoding the information, method and apparatus for decoding the information and method for information transmission
US6560349B1 (en) 1994-10-21 2003-05-06 Digimarc Corporation Audio monitoring using steganographic information
US6760463B2 (en) 1995-05-08 2004-07-06 Digimarc Corporation Watermarking methods and media
JPH09127995A (ja) * 1995-10-26 1997-05-16 Sony Corp 信号復号化方法及び信号復号化装置
KR970023245A (ko) * 1995-10-09 1997-05-30 이데이 노부유끼 음성복호화방법 및 장치
US5913186A (en) * 1996-03-25 1999-06-15 Prometheus, Inc. Discrete one dimensional signal processing apparatus and method using energy spreading coding
KR100488537B1 (ko) * 1996-11-20 2005-09-30 삼성전자주식회사 듀얼모드오디오디코더의재현방법및필터
US6006245A (en) * 1996-12-20 1999-12-21 Compaq Computer Corporation Enhanced fast fourier transform technique on vector processor with operand routing and slot-selectable operation
AUPO648397A0 (en) 1997-04-30 1997-05-22 Canon Information Systems Research Australia Pty Ltd Improvements in multiprocessor architecture operation
TW384434B (en) * 1997-03-31 2000-03-11 Sony Corp Encoding method, device therefor, decoding method, device therefor and recording medium
US6195674B1 (en) 1997-04-30 2001-02-27 Canon Kabushiki Kaisha Fast DCT apparatus
US6259456B1 (en) 1997-04-30 2001-07-10 Canon Kabushiki Kaisha Data normalization techniques
US6707463B1 (en) 1997-04-30 2004-03-16 Canon Kabushiki Kaisha Data normalization technique
AUPO647997A0 (en) 1997-04-30 1997-05-22 Canon Information Systems Research Australia Pty Ltd Memory controller architecture
US6414687B1 (en) 1997-04-30 2002-07-02 Canon Kabushiki Kaisha Register setting-micro programming system
US6353807B1 (en) 1998-05-15 2002-03-05 Sony Corporation Information coding method and apparatus, code transform method and apparatus, code transform control method and apparatus, information recording method and apparatus, and program providing medium
US7006555B1 (en) 1998-07-16 2006-02-28 Nielsen Media Research, Inc. Spectral audio encoding
US6272176B1 (en) 1998-07-16 2001-08-07 Nielsen Media Research, Inc. Broadcast encoding system and method
DE19901228A1 (de) * 1999-01-14 2000-07-27 Uwe Ras Verfahren und Gerät zur adaptiven Merkmalsänderung bei eindimensionalen Signalen
US6313772B1 (en) * 1999-08-24 2001-11-06 Thomson Licensing S.A. Complex carrier signal generator for determining cyclic wave shape
CA2809775C (en) 1999-10-27 2017-03-21 The Nielsen Company (Us), Llc Audio signature extraction and correlation
US7203717B1 (en) * 1999-10-30 2007-04-10 Stmicroelectronics Asia Pacific Pte. Ltd. Fast modified discrete cosine transform method
US6721708B1 (en) * 1999-12-22 2004-04-13 Hitachi America, Ltd. Power saving apparatus and method for AC-3 codec by reducing operations
AU2001234971A1 (en) * 2000-02-09 2001-08-20 T. C. Cheng Fast method for the forward and inverse mdct in audio coding
JP2001285073A (ja) * 2000-03-29 2001-10-12 Sony Corp 信号処理装置及び方法
US7466742B1 (en) 2000-04-21 2008-12-16 Nielsen Media Research, Inc. Detection of entropy in connection with audio signals
US6839727B2 (en) * 2001-05-01 2005-01-04 Sun Microsystems, Inc. System and method for computing a discrete transform
US7460684B2 (en) 2003-06-13 2008-12-02 Nielsen Media Research, Inc. Method and apparatus for embedding watermarks
WO2005041109A2 (en) 2003-10-17 2005-05-06 Nielsen Media Research, Inc. Methods and apparatus for identifiying audio/video content using temporal signal characteristics
CN102592638A (zh) 2004-07-02 2012-07-18 尼尔逊媒介研究股份有限公司 用于进行压缩数字位流的混合的方法及装置
KR100721263B1 (ko) * 2005-08-31 2007-05-23 한국전자통신연구원 Ｉｍｄｃｔ 코프로세서 및 이를 포함한 오디오 복호기
EP2095560B1 (de) 2006-10-11 2015-09-09 The Nielsen Company (US), LLC Verfahren und vorrichtung zur einbettung von codes in komprimierte audiodatenströme
JP2011004264A (ja) * 2009-06-19 2011-01-06 Fujitsu Ltd ディジタル信号処理装置およびディジタル信号処理方法
JP5444877B2 (ja) 2009-06-24 2014-03-19 富士通株式会社 デジタルコヒーレント受信器
US9548830B2 (en) 2014-09-05 2017-01-17 The Nielsen Company (Us), Llc Methods and apparatus to generate signatures representative of media
US11013977B2 (en) 2014-10-27 2021-05-25 Santino Jr Nicholas A System and method for athletic competition signaling
KR102547480B1 (ko) * 2014-12-09 2023-06-26 돌비 인터네셔널 에이비 Ｍｄｃｔ-도메인 에러 은닉
US10003377B1 (en) * 2016-12-19 2018-06-19 Cisco Technology, Inc. Spread spectrum acoustic communication techniques
US10404319B1 (en) 2018-07-09 2019-09-03 Cisco Technology, Inc. Fast correlation of prometheus orthonormal sets (PONS) for communications
US10396846B1 (en) 2018-10-12 2019-08-27 Cisco Technology, Inc. Adaptive decoding of spread spectrum signals using multiple correlator peaks
US10601459B1 (en) 2018-11-02 2020-03-24 Cisco Technology, Inc. Efficient handling of clock offset in spread spectrum decoders

Family Cites Families (2)

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Publication number Priority date Publication date Assignee Title
FR2593948B1 (fr) * 1986-02-06 1989-10-27 Duhamel Pierre Dispositif de transformee en cosinus d'un signal numerique echantillonne
JP3185214B2 (ja) * 1990-06-12 2001-07-09 日本電気株式会社 改良ｄｃｔの順変換計算装置および逆変換計算装置

Also Published As

Publication number Publication date
EP0535893A3 (en) 1993-09-08
DE69230308T2 (de) 2000-05-31
EP0535893A2 (de) 1993-04-07
EP0535893B1 (de) 1999-11-17
US5349549A (en) 1994-09-20

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