DE69006011T2 - Transformationscodierer, -decodierer und -codierer/decodierer mit niedriger bitrate für audio-anwendungen hoher qualität. - Google Patents

Transformationscodierer, -decodierer und -codierer/decodierer mit niedriger bitrate für audio-anwendungen hoher qualität.

Info

Publication number
DE69006011T2
DE69006011T2 DE69006011T DE69006011T DE69006011T2 DE 69006011 T2 DE69006011 T2 DE 69006011T2 DE 69006011 T DE69006011 T DE 69006011T DE 69006011 T DE69006011 T DE 69006011T DE 69006011 T2 DE69006011 T2 DE 69006011T2
Authority
DE
Germany
Prior art keywords
decoders
encoders
high quality
transformation
quality audio
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
DE69006011T
Other languages
English (en)
Other versions
DE69006011T3 (de
DE69006011D1 (de
Inventor
Louis Fielder
Grant Davidson
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.)
Dolby Laboratories Licensing Corp
Original Assignee
Dolby Laboratories Licensing 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26973611&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69006011(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dolby Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Application granted granted Critical
Publication of DE69006011D1 publication Critical patent/DE69006011D1/de
Publication of DE69006011T2 publication Critical patent/DE69006011T2/de
Publication of DE69006011T3 publication Critical patent/DE69006011T3/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
    • G10L19/02—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 using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0212—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 using spectral analysis, e.g. transform vocoders or subband vocoders using orthogonal transformation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/005—Statistical coding, e.g. Huffman, run length coding
    • 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
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • 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
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1806—Pulse code modulation systems for audio signals
    • G11B20/1809—Pulse code modulation systems for audio signals by interleaving
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M5/00—Conversion of the form of the representation of individual digits
    • H03M5/02—Conversion to or from representation by pulses
    • H03M5/04—Conversion to or from representation by pulses the pulses having two levels
    • 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
    • H04B1/66—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 for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/665—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 for reducing bandwidth of signals; for improving efficiency of transmission using psychoacoustic properties of the ear, e.g. masking effect

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computational Linguistics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Stereophonic System (AREA)
DE69006011T 1989-01-27 1990-01-29 Transformationscodierer, -decodierer und -codierer/decodierer mit niedriger bitrate für audio-anwendungen hoher qualität. Expired - Lifetime DE69006011T3 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US30371489A 1989-01-27 1989-01-27
US303714 1989-01-27
US43986889A 1989-11-20 1989-11-20
US439868 1989-11-20
PCT/US1990/000501 WO1990009022A1 (en) 1989-01-27 1990-01-29 Low bit rate transform coder, decoder and encoder/decoder for high-quality audio

Publications (3)

Publication Number Publication Date
DE69006011D1 DE69006011D1 (de) 1994-02-24
DE69006011T2 true DE69006011T2 (de) 1994-08-18
DE69006011T3 DE69006011T3 (de) 2007-08-23

Family

ID=26973611

Family Applications (4)

Application Number Title Priority Date Filing Date
DE69026278T Expired - Lifetime DE69026278T3 (de) 1989-01-27 1990-01-29 Adaptiv Bitzuordnung für Audio-Koder und Dekoder
DE69030266T Expired - Lifetime DE69030266T2 (de) 1989-01-27 1990-01-29 Transformationscodierer, -decodierer und Codierer/Decodierer mit niedriger Bitrate für Audio-Anwendungen hoher Qualität
DE69031737T Expired - Lifetime DE69031737T2 (de) 1989-01-27 1990-01-29 Transformationscodierer, -decodierer und Codierer/Decodierer mit niedriger Bitrate für Audio-Anwendungen hoher Qualität
DE69006011T Expired - Lifetime DE69006011T3 (de) 1989-01-27 1990-01-29 Transformationscodierer, -decodierer und -codierer/decodierer mit niedriger bitrate für audio-anwendungen hoher qualität.

Family Applications Before (3)

Application Number Title Priority Date Filing Date
DE69026278T Expired - Lifetime DE69026278T3 (de) 1989-01-27 1990-01-29 Adaptiv Bitzuordnung für Audio-Koder und Dekoder
DE69030266T Expired - Lifetime DE69030266T2 (de) 1989-01-27 1990-01-29 Transformationscodierer, -decodierer und Codierer/Decodierer mit niedriger Bitrate für Audio-Anwendungen hoher Qualität
DE69031737T Expired - Lifetime DE69031737T2 (de) 1989-01-27 1990-01-29 Transformationscodierer, -decodierer und Codierer/Decodierer mit niedriger Bitrate für Audio-Anwendungen hoher Qualität

Country Status (10)

Country Link
EP (5) EP0455738B2 (de)
JP (1) JP2821713B2 (de)
AT (4) ATE136147T1 (de)
AU (2) AU631404B2 (de)
BR (1) BR9007063A (de)
DE (4) DE69026278T3 (de)
DK (3) DK0513860T3 (de)
ES (3) ES2109296T3 (de)
SG (3) SG47111A1 (de)
WO (1) WO1990009022A1 (de)

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EP0520068B1 (de) * 1991-01-08 1996-05-15 Dolby Laboratories Licensing Corporation Kodierer/dekodierer für mehrdimensionale schallfelder
JP3123290B2 (ja) * 1993-03-09 2001-01-09 ソニー株式会社 圧縮データ記録装置及び方法、圧縮データ再生方法、記録媒体
US5463424A (en) * 1993-08-03 1995-10-31 Dolby Laboratories Licensing Corporation Multi-channel transmitter/receiver system providing matrix-decoding compatible signals
JP3131542B2 (ja) * 1993-11-25 2001-02-05 シャープ株式会社 符号化復号化装置
JP3186413B2 (ja) * 1994-04-01 2001-07-11 ソニー株式会社 データ圧縮符号化方法、データ圧縮符号化装置及びデータ記録媒体
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
JPH08190764A (ja) * 1995-01-05 1996-07-23 Sony Corp ディジタル信号処理方法、ディジタル信号処理装置及び記録媒体
JP3521596B2 (ja) * 1996-01-30 2004-04-19 ソニー株式会社 信号符号化方法
US5890106A (en) * 1996-03-19 1999-03-30 Dolby Laboratories Licensing Corporation Analysis-/synthesis-filtering system with efficient oddly-stacked singleband filter bank using time-domain aliasing cancellation
DE69713971T2 (de) * 1996-03-19 2003-03-20 Dolby Lab Licensing Corp Analyse/synthese-filtersystem mit effizienter mit ungerade gestapelter einseitenband-filterbank unter verwendung der tdac-technik
KR100378790B1 (ko) * 1996-04-23 2003-05-01 엘지전자 주식회사 서브밴드양자화레벨디코딩장치
KR100223169B1 (ko) * 1996-06-14 1999-10-15 윤종용 펄스부호변조된 디지털 오디오신호의 기록 및 재생을 위한 시스템
US5892746A (en) * 1996-06-15 1999-04-06 Samsung Electronics Co., Ltd. System for recording and/or reproducing a pulse code modulation digital audio signal
JP3092653B2 (ja) * 1996-06-21 2000-09-25 日本電気株式会社 広帯域音声符号化装置及び音声復号装置並びに音声符号化復号装置
TW301103B (en) * 1996-09-07 1997-03-21 Nat Science Council The time domain alias cancellation device and its signal processing method
JPH1083623A (ja) * 1996-09-10 1998-03-31 Sony Corp 信号記録方法、信号記録装置、記録媒体および信号処理方法
GB2326572A (en) * 1997-06-19 1998-12-23 Softsound Limited Low bit rate audio coder and decoder
US6081783A (en) * 1997-11-14 2000-06-27 Cirrus Logic, Inc. Dual processor digital audio decoder with shared memory data transfer and task partitioning for decompressing compressed audio data, and systems and methods using the same
US6016473A (en) * 1998-04-07 2000-01-18 Dolby; Ray M. Low bit-rate spatial coding method and system
US6665409B1 (en) 1999-04-12 2003-12-16 Cirrus Logic, Inc. Methods for surround sound simulation and circuits and systems using the same
US6356871B1 (en) 1999-06-14 2002-03-12 Cirrus Logic, Inc. Methods and circuits for synchronizing streaming data and systems using the same
US6349285B1 (en) 1999-06-28 2002-02-19 Cirrus Logic, Inc. Audio bass management methods and circuits and systems using the same
JP2002135122A (ja) * 2000-10-19 2002-05-10 Nec Corp オーディオ信号符号化装置
DE60135487D1 (de) * 2000-12-22 2008-10-02 Sony Corp Codierer
US7123655B2 (en) 2001-08-09 2006-10-17 Sharp Laboratories Of America, Inc. Method for reduced bit-depth quantization
US7240001B2 (en) 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
US6934677B2 (en) 2001-12-14 2005-08-23 Microsoft Corporation Quantization matrices based on critical band pattern information for digital audio wherein quantization bands differ from critical bands
CN101589623B (zh) 2006-12-12 2013-03-13 弗劳恩霍夫应用研究促进协会 对表示时域数据流的数据段进行编码和解码的编码器、解码器以及方法
US7885819B2 (en) 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
CN102789782B (zh) * 2008-03-04 2015-10-14 弗劳恩霍夫应用研究促进协会 对输入数据流进行混合以及从中产生输出数据流
KR100940532B1 (ko) * 2009-09-28 2010-02-10 삼성전자주식회사 저비트율 복호화방법 및 장치
US9489962B2 (en) * 2012-05-11 2016-11-08 Panasonic Corporation Sound signal hybrid encoder, sound signal hybrid decoder, sound signal encoding method, and sound signal decoding method
CN107403624B (zh) 2012-05-18 2021-02-12 杜比实验室特许公司 用于音频信号的动态范围调整及控制的方法和设备
US10844689B1 (en) 2019-12-19 2020-11-24 Saudi Arabian Oil Company Downhole ultrasonic actuator system for mitigating lost circulation
US10438597B2 (en) 2017-08-31 2019-10-08 Dolby International Ab Decoder-provided time domain aliasing cancellation during lossy/lossless transitions

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EP0064119B1 (de) * 1981-04-30 1985-08-28 International Business Machines Corporation Sprachkodierungsverfahren und Einrichtung zur Durchführung des Verfahrens
US4455649A (en) * 1982-01-15 1984-06-19 International Business Machines Corporation Method and apparatus for efficient statistical multiplexing of voice and data signals
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IL76283A0 (en) * 1985-09-03 1986-01-31 Ibm Process and system for coding signals
DE3629434C2 (de) * 1986-08-29 1994-07-28 Karlheinz Dipl Ing Brandenburg Digitales Codierverfahren
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NL8700985A (nl) * 1987-04-27 1988-11-16 Philips Nv Systeem voor sub-band codering van een digitaal audiosignaal.
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Also Published As

Publication number Publication date
ATE150571T1 (de) 1997-04-15
DK0514949T3 (da) 1998-07-27
SG47111A1 (en) 1998-03-20
ES2099185T3 (es) 1997-05-16
EP0511692A2 (de) 1992-11-04
DE69030266D1 (de) 1997-04-24
EP0513860B1 (de) 1997-03-19
EP0514949A3 (en) 1993-02-03
DE69006011T3 (de) 2007-08-23
DK0560413T3 (da) 1996-04-22
DE69030266T2 (de) 1997-08-14
EP0514949B1 (de) 1997-11-19
ES2085680T3 (es) 1996-06-01
ES2109296T3 (es) 1998-01-16
AU5159690A (en) 1990-08-24
DE69026278T2 (de) 1996-11-14
DK0513860T3 (da) 1997-08-18
EP0560413B2 (de) 2002-05-15
ATE160464T1 (de) 1997-12-15
EP0455738B2 (de) 2007-04-04
AU655535B2 (en) 1994-12-22
EP0560413A2 (de) 1993-09-15
EP0455738B1 (de) 1994-01-12
AU631404B2 (en) 1992-11-26
DK0560413T4 (da) 2002-06-17
SG48247A1 (en) 1998-04-17
DE69026278D1 (de) 1996-05-02
EP0513860A3 (en) 1993-01-27
EP0560413A3 (de) 1994-05-04
DE69006011D1 (de) 1994-02-24
DE69031737D1 (de) 1998-01-02
SG49891A1 (en) 1998-06-15
AU3373693A (en) 1993-04-22
EP0455738A1 (de) 1991-11-13
EP0560413B1 (de) 1996-03-27
DE69031737T2 (de) 1998-04-09
EP0511692A3 (en) 1993-01-27
DE69026278T3 (de) 2002-08-08
WO1990009022A1 (en) 1990-08-09
ATE136147T1 (de) 1996-04-15
JPH04504192A (ja) 1992-07-23
ATE100235T1 (de) 1994-01-15
EP0513860A2 (de) 1992-11-19
BR9007063A (pt) 1991-10-08
EP0514949A2 (de) 1992-11-25
JP2821713B2 (ja) 1998-11-05
ES2085680T5 (es) 2002-10-16

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8328 Change in the person/name/address of the agent

Free format text: HOFFMANN, E., DIPL.-ING., PAT.-ANW., 82166 GRAEFELFING

8366 Restricted maintained after opposition proceedings