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DK0560413T3 - Adaptiv bitallokering for audiokoder og -dekoder - Google Patents

Adaptiv bitallokering for audiokoder og -dekoder

Info

Publication number
DK0560413T3
DK0560413T3 DK93108874.4T DK93108874T DK0560413T3 DK 0560413 T3 DK0560413 T3 DK 0560413T3 DK 93108874 T DK93108874 T DK 93108874T DK 0560413 T3 DK0560413 T3 DK 0560413T3
Authority
DK
Denmark
Prior art keywords
decoder
bit allocation
adaptive bit
audio
encoder
Prior art date
Application number
DK93108874.4T
Other languages
English (en)
Other versions
DK0560413T4 (da
Inventor
Louis Dunn Fielder
Grant Allen Davidson
Original Assignee
Dolby Lab 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=DK0560413(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Application granted granted Critical
Publication of DK0560413T3 publication Critical patent/DK0560413T3/da
Publication of DK0560413T4 publication Critical patent/DK0560413T4/da

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)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (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)
DK93108874T 1989-01-27 1990-01-29 Adaptiv bitallokering for audiokoder og -dekoder DK0560413T4 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US30371489A 1989-01-27 1989-01-27
US43986889A 1989-11-20 1989-11-20

Publications (2)

Publication Number Publication Date
DK0560413T3 true DK0560413T3 (da) 1996-04-22
DK0560413T4 DK0560413T4 (da) 2002-06-17

Family

ID=26973611

Family Applications (3)

Application Number Title Priority Date Filing Date
DK92112940.9T DK0513860T3 (da) 1989-01-27 1990-01-29 Adaptiv biallokering for audiokoder og -dekoder
DK93108874T DK0560413T4 (da) 1989-01-27 1990-01-29 Adaptiv bitallokering for audiokoder og -dekoder
DK92112939T DK0514949T3 (da) 1989-01-27 1990-01-29 Adaptiv bitallokering for audiokoder og -dekoder

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DK92112940.9T DK0513860T3 (da) 1989-01-27 1990-01-29 Adaptiv biallokering for audiokoder og -dekoder

Family Applications After (1)

Application Number Title Priority Date Filing Date
DK92112939T DK0514949T3 (da) 1989-01-27 1990-01-29 Adaptiv bitallokering for audiokoder og -dekoder

Country Status (10)

Country Link
EP (5) EP0511692A3 (da)
JP (1) JP2821713B2 (da)
AT (4) ATE136147T1 (da)
AU (2) AU631404B2 (da)
BR (1) BR9007063A (da)
DE (4) DE69026278T3 (da)
DK (3) DK0513860T3 (da)
ES (3) ES2099185T3 (da)
SG (3) SG47111A1 (da)
WO (1) WO1990009022A1 (da)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU653582B2 (en) * 1991-01-08 1994-10-06 Dolby Laboratories Licensing Corporation Encoder/decoder for multidimensional sound fields
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
ATE220831T1 (de) * 1996-03-19 2002-08-15 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
KR100844810B1 (ko) * 2000-12-22 2008-07-09 소니 가부시끼 가이샤 부호화 장치 및 복호 장치
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
ES2383217T3 (es) * 2006-12-12 2012-06-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codificador, descodificador y métodos para codificar y descodificar segmentos de datos que representan una corriente de datos de dominio de tiempo
US7885819B2 (en) 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
ES2753899T3 (es) * 2008-03-04 2020-04-14 Fraunhofer Ges Forschung Mezclado de trenes de datos de entrada y generación de un tren de datos de salida a partir de los mismos
KR100940532B1 (ko) * 2009-09-28 2010-02-10 삼성전자주식회사 저비트율 복호화방법 및 장치
JP6126006B2 (ja) * 2012-05-11 2017-05-10 パナソニック株式会社 音信号ハイブリッドエンコーダ、音信号ハイブリッドデコーダ、音信号符号化方法、及び音信号復号方法
US10844689B1 (en) 2019-12-19 2020-11-24 Saudi Arabian Oil Company Downhole ultrasonic actuator system for mitigating lost circulation
EP2850612B1 (en) 2012-05-18 2019-04-10 Dolby Laboratories Licensing Corporation System for maintaining reversible dynamic range control information associated with parametric audio coders
US10438597B2 (en) 2017-08-31 2019-10-08 Dolby International Ab Decoder-provided time domain aliasing cancellation during lossy/lossless transitions

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3171990D1 (en) * 1981-04-30 1985-10-03 Ibm Speech coding methods and apparatus for carrying out the method
US4455649A (en) * 1982-01-15 1984-06-19 International Business Machines Corporation Method and apparatus for efficient statistical multiplexing of voice and data signals
GB8330885D0 (en) * 1983-11-18 1983-12-29 British Telecomm Data transmission
GB8421498D0 (en) * 1984-08-24 1984-09-26 British Telecomm Frequency domain speech coding
DE3506912A1 (de) † 1985-02-27 1986-08-28 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover Verfahren zur uebertragung eines audiosignals
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
DE3639753A1 (de) † 1986-11-21 1988-06-01 Inst Rundfunktechnik Gmbh Verfahren zum uebertragen digitalisierter tonsignale
NL8700985A (nl) * 1987-04-27 1988-11-16 Philips Nv Systeem voor sub-band codering van een digitaal audiosignaal.
NL8901032A (nl) * 1988-11-10 1990-06-01 Philips Nv Coder om extra informatie op te nemen in een digitaal audiosignaal met een tevoren bepaald formaat, een decoder om deze extra informatie uit dit digitale signaal af te leiden, een inrichting voor het opnemen van een digitaal signaal op een registratiedrager, voorzien van de coder, en een registratiedrager verkregen met deze inrichting.

Also Published As

Publication number Publication date
WO1990009022A1 (en) 1990-08-09
EP0511692A3 (en) 1993-01-27
EP0560413A3 (da) 1994-05-04
DE69026278T2 (de) 1996-11-14
EP0455738A1 (en) 1991-11-13
BR9007063A (pt) 1991-10-08
ES2085680T3 (es) 1996-06-01
EP0511692A2 (en) 1992-11-04
DE69026278T3 (de) 2002-08-08
AU631404B2 (en) 1992-11-26
DE69030266T2 (de) 1997-08-14
DE69006011D1 (de) 1994-02-24
AU3373693A (en) 1993-04-22
DE69006011T3 (de) 2007-08-23
EP0560413A2 (en) 1993-09-15
DE69031737D1 (de) 1998-01-02
JPH04504192A (ja) 1992-07-23
DK0513860T3 (da) 1997-08-18
ATE100235T1 (de) 1994-01-15
ES2109296T3 (es) 1998-01-16
EP0514949A3 (en) 1993-02-03
DE69030266D1 (de) 1997-04-24
JP2821713B2 (ja) 1998-11-05
ATE160464T1 (de) 1997-12-15
AU655535B2 (en) 1994-12-22
EP0514949A2 (en) 1992-11-25
DK0514949T3 (da) 1998-07-27
EP0455738B2 (en) 2007-04-04
SG48247A1 (en) 1998-04-17
ES2099185T3 (es) 1997-05-16
EP0513860A2 (en) 1992-11-19
EP0514949B1 (en) 1997-11-19
ES2085680T5 (es) 2002-10-16
SG47111A1 (en) 1998-03-20
DE69006011T2 (de) 1994-08-18
EP0513860B1 (en) 1997-03-19
SG49891A1 (en) 1998-06-15
DE69031737T2 (de) 1998-04-09
EP0513860A3 (en) 1993-01-27
EP0455738B1 (en) 1994-01-12
ATE150571T1 (de) 1997-04-15
AU5159690A (en) 1990-08-24
EP0560413B2 (en) 2002-05-15
EP0560413B1 (en) 1996-03-27
DK0560413T4 (da) 2002-06-17
ATE136147T1 (de) 1996-04-15
DE69026278D1 (de) 1996-05-02

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