DK0719483T3 - Fremgangsmåde til bestemmelse af den kodningsart, der skal vælges til kodning af mindst to signaler - Google Patents

Fremgangsmåde til bestemmelse af den kodningsart, der skal vælges til kodning af mindst to signaler

Info

Publication number
DK0719483T3
DK0719483T3 DK94920980.3T DK94920980T DK0719483T3 DK 0719483 T3 DK0719483 T3 DK 0719483T3 DK 94920980 T DK94920980 T DK 94920980T DK 0719483 T3 DK0719483 T3 DK 0719483T3
Authority
DK
Denmark
Prior art keywords
coding
pct
signal
signals
date
Prior art date
Application number
DK94920980.3T
Other languages
Danish (da)
English (en)
Inventor
Dieter Seitzer
J Herre
Bernhard Grill
Ernst Eberlein
Karlheinz Brandenburg
Original Assignee
Fraunhofer Ges Forschung
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
Priority claimed from DE4345171A external-priority patent/DE4345171C2/de
Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Application granted granted Critical
Publication of DK0719483T3 publication Critical patent/DK0719483T3/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/007—Two-channel systems in which the audio signals are in digital form
    • 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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
DK94920980.3T 1993-09-15 1994-07-08 Fremgangsmåde til bestemmelse af den kodningsart, der skal vælges til kodning af mindst to signaler DK0719483T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4331376A DE4331376C1 (de) 1993-09-15 1993-09-15 Verfahren zum Bestimmen der zu wählenden Codierungsart für die Codierung von wenigstens zwei Signalen
DE4345171A DE4345171C2 (de) 1993-09-15 1993-09-15 Verfahren zum Bestimmen der zu wählenden Codierungsart für die Codierung von wenigstens zwei Signalen

Publications (1)

Publication Number Publication Date
DK0719483T3 true DK0719483T3 (da) 1997-08-25

Family

ID=25929591

Family Applications (1)

Application Number Title Priority Date Filing Date
DK94920980.3T DK0719483T3 (da) 1993-09-15 1994-07-08 Fremgangsmåde til bestemmelse af den kodningsart, der skal vælges til kodning af mindst to signaler

Country Status (11)

Country Link
US (1) US5736943A (ja)
EP (1) EP0719483B1 (ja)
JP (1) JP2800068B2 (ja)
KR (1) KR0171100B1 (ja)
AT (1) ATE152871T1 (ja)
AU (1) AU678270B2 (ja)
CA (1) CA2161263C (ja)
DE (1) DE4331376C1 (ja)
DK (1) DK0719483T3 (ja)
RU (1) RU2124272C1 (ja)
WO (1) WO1995008227A1 (ja)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4437287C2 (de) * 1994-10-18 1996-10-24 Fraunhofer Ges Forschung Verfahren zur Messung der Erhaltung stereophoner Audiosignale und Verfahren zur Erkennung gemeinsam codierter stereophoner Audiosignale
US5812971A (en) * 1996-03-22 1998-09-22 Lucent Technologies Inc. Enhanced joint stereo coding method using temporal envelope shaping
DE19628293C1 (de) * 1996-07-12 1997-12-11 Fraunhofer Ges Forschung Codieren und Decodieren von Audiosignalen unter Verwendung von Intensity-Stereo und Prädiktion
DE19628292B4 (de) * 1996-07-12 2007-08-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zum Codieren und Decodieren von Stereoaudiospektralwerten
DE19706268A1 (de) * 1997-02-18 1998-08-20 Christian Wenz Dateiformatspezifisches Packverfahren
DE19730130C2 (de) * 1997-07-14 2002-02-28 Fraunhofer Ges Forschung Verfahren zum Codieren eines Audiosignals
DE19742655C2 (de) * 1997-09-26 1999-08-05 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Codieren eines zeitdiskreten Stereosignals
US6012025A (en) * 1998-01-28 2000-01-04 Nokia Mobile Phones Limited Audio coding method and apparatus using backward adaptive prediction
JP4831122B2 (ja) * 1998-10-13 2011-12-07 日本ビクター株式会社 音声符号化方法及び音声復号方法
ATE387044T1 (de) * 2000-07-07 2008-03-15 Nokia Siemens Networks Oy Verfahren und vorrichtung für die perzeptuelle tonkodierung von einem mehrkanal tonsignal mit verwendung der kaskadierten diskreten cosinustransformation oder der modifizierten diskreten cosinustransformation
JP4618873B2 (ja) * 2000-11-24 2011-01-26 パナソニック株式会社 オーディオ信号符号化方法、オーディオ信号符号化装置、音楽配信方法、および、音楽配信システム
US6654827B2 (en) 2000-12-29 2003-11-25 Hewlett-Packard Development Company, L.P. Portable computer system with an operating system-independent digital data player
US7539615B2 (en) * 2000-12-29 2009-05-26 Nokia Siemens Networks Oy Audio signal quality enhancement in a digital network
US7660424B2 (en) * 2001-02-07 2010-02-09 Dolby Laboratories Licensing Corporation Audio channel spatial translation
SE0202159D0 (sv) * 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
EP1423847B1 (en) 2001-11-29 2005-02-02 Coding Technologies AB Reconstruction of high frequency components
US7240001B2 (en) 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
SE0202770D0 (sv) 2002-09-18 2002-09-18 Coding Technologies Sweden Ab Method for reduction of aliasing introduces by spectral envelope adjustment in real-valued filterbanks
EP2665294A2 (en) * 2003-03-04 2013-11-20 Core Wireless Licensing S.a.r.l. Support of a multichannel audio extension
TWI393120B (zh) * 2004-08-25 2013-04-11 Dolby Lab Licensing Corp 用於音訊信號編碼及解碼之方法和系統、音訊信號編碼器、音訊信號解碼器、攜帶有位元流之電腦可讀取媒體、及儲存於電腦可讀取媒體上的電腦程式
US7860721B2 (en) 2004-09-17 2010-12-28 Panasonic Corporation Audio encoding device, decoding device, and method capable of flexibly adjusting the optimal trade-off between a code rate and sound quality
US8902977B2 (en) 2006-01-09 2014-12-02 Thomson Licensing Method and apparatus for providing reduced resolution update mode for multi-view video coding
US7831434B2 (en) * 2006-01-20 2010-11-09 Microsoft Corporation Complex-transform channel coding with extended-band frequency coding
CN101416519B (zh) * 2006-03-29 2012-01-11 汤姆森特许公司 多视图视频编码方法和装置
MX2009000207A (es) * 2006-07-06 2009-02-13 Thomson Licensing Metodo y aparato para desacoplar el numero de cuadro y/o la cuenta del orden de imagen (poc) para la codificacion y decodificacion de video de multiples vistas.
ZA200900857B (en) 2006-07-06 2010-05-26 Thomson Licensing Method and apparatus for decoupling frame number and/or picture order count (POC) for multi-view video encoding and decoding
RU2459283C2 (ru) * 2007-03-02 2012-08-20 Панасоник Корпорэйшн Кодирующее устройство, декодирующее устройство и способ
US7885819B2 (en) 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
BRPI0915358B1 (pt) * 2008-06-13 2020-04-22 Nokia Corp método e aparelho para a ocultação de erro de quadro em dados de áudio codificados usando codificação de extensão
US8620643B1 (en) 2009-07-31 2013-12-31 Lester F. Ludwig Auditory eigenfunction systems and methods
JP5533502B2 (ja) * 2010-09-28 2014-06-25 富士通株式会社 オーディオ符号化装置、オーディオ符号化方法及びオーディオ符号化用コンピュータプログラム
EP2987166A4 (en) * 2013-04-15 2016-12-21 Nokia Technologies Oy BESTIMMER FOR MULTI-CHANNEL AUDIOSIGNAL CODIER MODE
CN105741835B (zh) * 2016-03-18 2019-04-16 腾讯科技（深圳）有限公司 一种音频信息处理方法及终端

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5341457A (en) * 1988-12-30 1994-08-23 At&T Bell Laboratories Perceptual coding of audio signals
DE4136825C1 (ja) * 1991-11-08 1993-03-18 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung Ev, 8000 Muenchen, De
US5285498A (en) * 1992-03-02 1994-02-08 At&T Bell Laboratories Method and apparatus for coding audio signals based on perceptual model
DE4217276C1 (ja) * 1992-05-25 1993-04-08 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung Ev, 8000 Muenchen, De
US5278909A (en) * 1992-06-08 1994-01-11 International Business Machines Corporation System and method for stereo digital audio compression with co-channel steering
JP3123286B2 (ja) * 1993-02-18 2001-01-09 ソニー株式会社 ディジタル信号処理装置又は方法、及び記録媒体
US5581654A (en) * 1993-05-25 1996-12-03 Sony Corporation Method and apparatus for information encoding and decoding

Also Published As

Publication number Publication date
AU678270B2 (en) 1997-05-22
CA2161263C (en) 1999-06-15
ATE152871T1 (de) 1997-05-15
US5736943A (en) 1998-04-07
RU2124272C1 (ru) 1998-12-27
CA2161263A1 (en) 1995-03-23
DE4331376C1 (de) 1994-11-10
JPH08507424A (ja) 1996-08-06
EP0719483B1 (de) 1997-05-07
WO1995008227A1 (de) 1995-03-23
JP2800068B2 (ja) 1998-09-21
AU7187994A (en) 1995-04-03
KR0171100B1 (ko) 1999-03-30
EP0719483A1 (de) 1996-07-03

Similar Documents

Publication Publication Date Title
DK0719483T3 (da) Fremgangsmåde til bestemmelse af den kodningsart, der skal vælges til kodning af mindst to signaler
NO20180990A1 (no) Kompatibel flerkanal-koding/dekoding.
DK0799531T3 (da) Fremgangsmådeapparat til at anvende bølgeformsforudsigelse til underbånd af et kodningssystem, der vedrører sanseopfattelse
DE59800189D1 (de) Verfahren zum signalisieren einer rauschsubstitution beim codieren eines audiosignals
US20080052089A1 (en) Acoustic Signal Encoding Device and Acoustic Signal Decoding Device
DK1016320T3 (da) Fremgangsmåde og apparat til indkodning og dekodning af multiple audiokanaler ved lave bithastigheder
ATE315823T1 (de) Parametrische audiocodierung
ATE66553T1 (de) Verfahren zum uebertragen digitalisierter tonsignale.
ATE206252T1 (de) Verfahren und vorrichtung zum codieren von audiosignalen sowie verfahren und vorrichtungen zum decodieren eines bitstroms
TR199901368T2 (xx) Tat verici madde kar���m�n�n derecesini iyile�tirmek i�in y�ntem.
ATE221244T1 (de) Verfahren und vorrichtung zum verschleiern eines fehlers in einem codierten audiosignal und verfahren und vorrichtung zum decodieren eines codierten audiosignals
ATE354160T1 (de) Audiosignalcodierung oder -decodierung
RU96107254A (ru) Способ определения вида кодирования, который следует выбирать для кодирования по меньшей мере двух сигналов
TW200636676A (en) Method for representing multi-channel audio signals
DE68920739D1 (de) Daten-Kodierung für den Sofortstart von PRML-Empfängern.
KR950701786A (ko) 여러 상호 의존하는 채널에서의 디지틀 신호의 전송 및/또는 저장에 있어서의 데이타 감축 방법
KR20040063155A (ko) 인지성 잡음의 대치
ATE154743T1 (de) Verfahren zur reduzierung von daten bei der übertragung und/oder speicherung digitaler signale mehrerer abhängiger kanäle
DK0634041T3 (da) Fremgangsmåde og apparatur til indkodning/dekodning af baggrundslyde
DK0746913T3 (da) Fremgangsmåde til kaskadekodning og -dekodning af audiodata
ATE198805T1 (de) Quantisierung einer aufgeteilten vorhersagematrix mit spektralparametern zur wirksamen sprachkodierung
KR20060131766A (ko) 오디오 코딩
KR960030077A (ko) 타임 블록 인코딩 방법
SE9801366L (sv) Genomfärgade träelement samt sätt att framställa genomfärgade träelement
TW260851B (en) Recovering analog and digital signals from superimposed analog and digital signals using linear prediction