[go: up one dir, main page]

DK0910927T3 - Fremgangsmåde til kodning og dekodning af stereoaudiospektralværdier - Google Patents

Fremgangsmåde til kodning og dekodning af stereoaudiospektralværdier

Info

Publication number
DK0910927T3
DK0910927T3 DK97925036T DK97925036T DK0910927T3 DK 0910927 T3 DK0910927 T3 DK 0910927T3 DK 97925036 T DK97925036 T DK 97925036T DK 97925036 T DK97925036 T DK 97925036T DK 0910927 T3 DK0910927 T3 DK 0910927T3
Authority
DK
Denmark
Prior art keywords
spectral values
code book
stereo audio
audio spectral
coded
Prior art date
Application number
DK97925036T
Other languages
Danish (da)
English (en)
Inventor
Heinz Gerhaeuser
Juergen Herre
Martin Dietz
Karlheinz Brandenburg
Uwe Gbur
Bodo Teichmann
James Johnston
Original Assignee
Ten Forschung E V
Fraunhofer Ges Forschung
At & T Lab Research
Lucent Technologies Inc
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=7799742&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK0910927(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ten Forschung E V, Fraunhofer Ges Forschung, At & T Lab Research, Lucent Technologies Inc filed Critical Ten Forschung E V
Application granted granted Critical
Publication of DK0910927T3 publication Critical patent/DK0910927T3/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
    • G10L19/008—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
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/007—Two-channel systems in which the audio signals are in digital form

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
DK97925036T 1996-07-12 1997-06-03 Fremgangsmåde til kodning og dekodning af stereoaudiospektralværdier DK0910927T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19628292A DE19628292B4 (de) 1996-07-12 1996-07-12 Verfahren zum Codieren und Decodieren von Stereoaudiospektralwerten
PCT/EP1997/002874 WO1998003036A1 (fr) 1996-07-12 1997-06-03 Procede de codage et de decodage de valeurs spectrales stereophoniques

Publications (1)

Publication Number Publication Date
DK0910927T3 true DK0910927T3 (da) 2000-05-08

Family

ID=7799742

Family Applications (1)

Application Number Title Priority Date Filing Date
DK97925036T DK0910927T3 (da) 1996-07-12 1997-06-03 Fremgangsmåde til kodning og dekodning af stereoaudiospektralværdier

Country Status (14)

Country Link
US (1) US6771777B1 (fr)
EP (1) EP0910927B1 (fr)
JP (1) JP3622982B2 (fr)
KR (1) KR100316582B1 (fr)
AT (1) ATE188832T1 (fr)
AU (1) AU712196B2 (fr)
CA (1) CA2260090C (fr)
DE (2) DE19628292B4 (fr)
DK (1) DK0910927T3 (fr)
ES (1) ES2143868T3 (fr)
GR (1) GR3032444T3 (fr)
NO (1) NO317570B1 (fr)
PT (1) PT910927E (fr)
WO (1) WO1998003036A1 (fr)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6539357B1 (en) * 1999-04-29 2003-03-25 Agere Systems Inc. Technique for parametric coding of a signal containing information
US6735561B1 (en) * 2000-03-29 2004-05-11 At&T Corp. Effective deployment of temporal noise shaping (TNS) filters
US7099830B1 (en) 2000-03-29 2006-08-29 At&T Corp. Effective deployment of temporal noise shaping (TNS) filters
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
SE0202159D0 (sv) * 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
US8605911B2 (en) 2001-07-10 2013-12-10 Dolby International Ab Efficient and scalable parametric stereo coding for low bitrate audio coding applications
PT1423847E (pt) 2001-11-29 2005-05-31 Coding Tech Ab Reconstrucao de componentes de frequencia elevada
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
US7240001B2 (en) 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
US7016547B1 (en) * 2002-06-28 2006-03-21 Microsoft Corporation Adaptive entropy encoding/decoding for screen capture content
US7502743B2 (en) 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
JP4676140B2 (ja) 2002-09-04 2011-04-27 マイクロソフト コーポレーション オーディオの量子化および逆量子化
US7299190B2 (en) 2002-09-04 2007-11-20 Microsoft Corporation Quantization and inverse quantization for audio
US7433824B2 (en) 2002-09-04 2008-10-07 Microsoft Corporation Entropy coding by adapting coding between level and run-length/level modes
ATE449405T1 (de) 2002-09-04 2009-12-15 Microsoft Corp Entropische kodierung mittels anpassung des kodierungsmodus zwischen niveau- und lauflängenniveau-modus
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
US7782954B2 (en) * 2003-09-07 2010-08-24 Microsoft Corporation Scan patterns for progressive video content
US7688894B2 (en) * 2003-09-07 2010-03-30 Microsoft Corporation Scan patterns for interlaced video content
US7724827B2 (en) * 2003-09-07 2010-05-25 Microsoft Corporation Multi-layer run level encoding and decoding
KR20050027179A (ko) * 2003-09-13 2005-03-18 삼성전자주식회사 오디오 데이터 복원 방법 및 그 장치
US7460990B2 (en) 2004-01-23 2008-12-02 Microsoft Corporation Efficient coding of digital media spectral data using wide-sense perceptual similarity
WO2006004048A1 (fr) * 2004-07-06 2006-01-12 Matsushita Electric Industrial Co., Ltd. Dispositif de codage de signaux audio, dispositif de décodage de signaux audio, procédé correspondant et programme
DE602006014809D1 (de) * 2005-03-30 2010-07-22 Koninkl Philips Electronics Nv Skalierbare mehrkanal-audiokodierung
US7539612B2 (en) * 2005-07-15 2009-05-26 Microsoft Corporation Coding and decoding scale factor information
US7562021B2 (en) * 2005-07-15 2009-07-14 Microsoft Corporation Modification of codewords in dictionary used for efficient coding of digital media spectral data
KR100851970B1 (ko) 2005-07-15 2008-08-12 삼성전자주식회사 오디오 신호의 중요주파수 성분 추출방법 및 장치와 이를이용한 저비트율 오디오 신호 부호화/복호화 방법 및 장치
US7684981B2 (en) 2005-07-15 2010-03-23 Microsoft Corporation Prediction of spectral coefficients in waveform coding and decoding
US7630882B2 (en) * 2005-07-15 2009-12-08 Microsoft Corporation Frequency segmentation to obtain bands for efficient coding of digital media
US7599840B2 (en) * 2005-07-15 2009-10-06 Microsoft Corporation Selectively using multiple entropy models in adaptive coding and decoding
US7693709B2 (en) 2005-07-15 2010-04-06 Microsoft Corporation Reordering coefficients for waveform coding or decoding
US7933337B2 (en) 2005-08-12 2011-04-26 Microsoft Corporation Prediction of transform coefficients for image compression
US8599925B2 (en) 2005-08-12 2013-12-03 Microsoft Corporation Efficient coding and decoding of transform blocks
US7565018B2 (en) * 2005-08-12 2009-07-21 Microsoft Corporation Adaptive coding and decoding of wide-range coefficients
US7831434B2 (en) 2006-01-20 2010-11-09 Microsoft Corporation Complex-transform channel coding with extended-band frequency coding
US8190425B2 (en) * 2006-01-20 2012-05-29 Microsoft Corporation Complex cross-correlation parameters for multi-channel audio
US7953604B2 (en) 2006-01-20 2011-05-31 Microsoft Corporation Shape and scale parameters for extended-band frequency coding
US8184710B2 (en) 2007-02-21 2012-05-22 Microsoft Corporation Adaptive truncation of transform coefficient data in a transform-based digital media codec
US7774205B2 (en) * 2007-06-15 2010-08-10 Microsoft Corporation Coding of sparse digital media spectral data
US7761290B2 (en) 2007-06-15 2010-07-20 Microsoft Corporation Flexible frequency and time partitioning in perceptual transform coding of audio
US8046214B2 (en) 2007-06-22 2011-10-25 Microsoft Corporation Low complexity decoder for complex transform coding of multi-channel sound
US7885819B2 (en) 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
US8249883B2 (en) 2007-10-26 2012-08-21 Microsoft Corporation Channel extension coding for multi-channel source
KR101444102B1 (ko) 2008-02-20 2014-09-26 삼성전자주식회사 스테레오 오디오의 부호화, 복호화 방법 및 장치
US8179974B2 (en) 2008-05-02 2012-05-15 Microsoft Corporation Multi-level representation of reordered transform coefficients
US8406307B2 (en) 2008-08-22 2013-03-26 Microsoft Corporation Entropy coding/decoding of hierarchically organized data
JP6061121B2 (ja) * 2011-07-01 2017-01-18 ソニー株式会社 オーディオ符号化装置、オーディオ符号化方法、およびプログラム

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3310480C2 (de) * 1983-03-23 1986-02-13 Seitzer, Dieter, Prof. Dr.-Ing., 8520 Erlangen Digitales Codierverfahren für Audiosignale
JPS59188764A (ja) 1983-04-11 1984-10-26 Hitachi Ltd メモリ装置
DE3912605B4 (de) * 1989-04-17 2008-09-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Digitales Codierverfahren
JP3131249B2 (ja) 1991-08-23 2001-01-31 日本放送協会 混合音声信号受信装置
EP0559348A3 (fr) 1992-03-02 1993-11-03 AT&T Corp. Processeur ayant une boucle de réglage du débit pour un codeur/décodeur perceptuel
CA2090052C (fr) 1992-03-02 1998-11-24 Anibal Joao De Sousa Ferreira Methode et appareil de codage di signaux audio
DE4236989C2 (de) * 1992-11-02 1994-11-17 Fraunhofer Ges Forschung Verfahren zur Übertragung und/oder Speicherung digitaler Signale mehrerer Kanäle
JP3292522B2 (ja) 1992-11-25 2002-06-17 京セラ株式会社 携帯電話機
JP3150475B2 (ja) 1993-02-19 2001-03-26 松下電器産業株式会社 量子化方法
US5581653A (en) 1993-08-31 1996-12-03 Dolby Laboratories Licensing Corporation Low bit-rate high-resolution spectral envelope coding for audio encoder and decoder
DE4331376C1 (de) 1993-09-15 1994-11-10 Fraunhofer Ges Forschung Verfahren zum Bestimmen der zu wählenden Codierungsart für die Codierung von wenigstens zwei Signalen
DE4331367C2 (de) * 1993-09-15 1996-04-18 Lewin Martin Innenmuffe zur Dichtung von Rohrstößen in Rohrleitungen
US5488665A (en) 1993-11-23 1996-01-30 At&T Corp. Multi-channel perceptual audio compression system with encoding mode switching among matrixed channels
JP3435674B2 (ja) 1994-05-06 2003-08-11 日本電信電話株式会社 信号の符号化方法と復号方法及びそれを使った符号器及び復号器
DE19638997B4 (de) * 1995-09-22 2009-12-10 Samsung Electronics Co., Ltd., Suwon Digitales Toncodierungsverfahren und digitale Toncodierungsvorrichtung

Also Published As

Publication number Publication date
DE19628292B4 (de) 2007-08-02
KR20000022435A (ko) 2000-04-25
CA2260090A1 (fr) 1998-01-22
NO990106D0 (no) 1999-01-11
WO1998003036A1 (fr) 1998-01-22
NO317570B1 (no) 2004-11-15
DE59701014D1 (de) 2000-02-17
JP2000505266A (ja) 2000-04-25
GR3032444T3 (en) 2000-05-31
PT910927E (pt) 2000-04-28
JP3622982B2 (ja) 2005-02-23
NO990106L (no) 1999-03-10
KR100316582B1 (ko) 2002-02-28
ATE188832T1 (de) 2000-01-15
AU3031897A (en) 1998-02-09
US6771777B1 (en) 2004-08-03
AU712196B2 (en) 1999-10-28
DE19628292A1 (de) 1998-01-15
EP0910927A1 (fr) 1999-04-28
CA2260090C (fr) 2000-10-17
EP0910927B1 (fr) 2000-01-12
ES2143868T3 (es) 2000-05-16

Similar Documents

Publication Publication Date Title
DK0910927T3 (da) Fremgangsmåde til kodning og dekodning af stereoaudiospektralværdier
ATE55199T1 (de) Verfahren zur uebertragung von audio-information und zusatzinformation in digitaler form.
DK0910928T3 (da) Kodning og dekodning af audiosignaler under anvendelse af intensity-stereo og prædiktion
EP1483850A4 (fr) Procede de codage cqi pour hs-dpcch
DE69621940D1 (en) Protein-/(poly)peptidbibliotheken
GB2331213A (en) System for implementing run length limited codes
DK0491668T3 (da) CDMA-subtraktionsdemodulation
DE69333786D1 (de) Verfahren zum Kodieren und Dekodieren von Audiodaten
ATE164479T1 (de) Verfahren zum codieren mehrerer audiosignale
SE9604834D0 (sv) Method and means for handling information
GB2362531A9 (en) Indicating the temporal order of reference frames in a video sequence
EP0897223A3 (fr) Codes correcteurs d'erreurs à hautes performances et de faible complexité
DK0799531T3 (da) Fremgangsmådeapparat til at anvende bølgeformsforudsigelse til underbånd af et kodningssystem, der vedrører sanseopfattelse
CA2218626A1 (fr) Dispositif et methode de transmission de donnees codees de longueur variable et dispositifs connexes pour les unites d'emission et de reception
ATE162027T1 (de) Verfahren zum kaskadierten codieren und decodieren von audiodaten
DE3584217D1 (de) Verfahren zur informations-uebertragung, kodierungsgeraet zur verwendung in dem verfahren und dekodierungsgeraet zur verwendung in dem verfahren.
KR970029015A (ko) 정보부호화장치 및 방법, 정보해독화장치 및 방법, 및 정보기록매체
PE20399A1 (es) Muteina ob
DE59510895D1 (de) Verfahren zur übertragung von codierten sprachsignalen in mindestens einem telekommunikationsnetz
DE69736875D1 (de) Schema für die Kodierung von Zeichenschriftarten
JPS5731242A (en) Coder
DE69103001D1 (de) Dns-sequenz, die für galactoprotein b3 kodiert.
EP1553704A3 (fr) Méthode et dispositif pour le codage/décodage de données numériques
JPS56134863A (en) Method and device for encoding and decoding
ATE258354T1 (de) Kodierung von parameterwerten