NO317570B1 - Koding og dekoding av spektralverdier for stereofoni - Google Patents

Koding og dekoding av spektralverdier for stereofoni Download PDF

Info

Publication number
NO317570B1
NO317570B1 NO19990106A NO990106A NO317570B1 NO 317570 B1 NO317570 B1 NO 317570B1 NO 19990106 A NO19990106 A NO 19990106A NO 990106 A NO990106 A NO 990106A NO 317570 B1 NO317570 B1 NO 317570B1
Authority
NO
Norway
Prior art keywords
spectral values
section
codebook
information
code book
Prior art date
Application number
NO19990106A
Other languages
English (en)
Norwegian (no)
Other versions
NO990106L (no
NO990106D0 (no
Inventor
Karlheinz Brandenburg
Heinz Gerhauser
Juergen Herre
Martin Dietz
Uwe Gbur
Bodo Teichmann
James Johnston
Original Assignee
Fraunhofer Ges Forschung
Lucent Technologies Inc
At & T Lab Res
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=NO317570(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Fraunhofer Ges Forschung, Lucent Technologies Inc, At & T Lab Res filed Critical Fraunhofer Ges Forschung
Publication of NO990106D0 publication Critical patent/NO990106D0/no
Publication of NO990106L publication Critical patent/NO990106L/no
Publication of NO317570B1 publication Critical patent/NO317570B1/no

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)
NO19990106A 1996-07-12 1999-01-11 Koding og dekoding av spektralverdier for stereofoni NO317570B1 (no)

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 (3)

Publication Number Publication Date
NO990106D0 NO990106D0 (no) 1999-01-11
NO990106L NO990106L (no) 1999-03-10
NO317570B1 true NO317570B1 (no) 2004-11-15

Family

ID=7799742

Family Applications (1)

Application Number Title Priority Date Filing Date
NO19990106A NO317570B1 (no) 1996-07-12 1999-01-11 Koding og dekoding av spektralverdier for stereofoni

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
US7099830B1 (en) 2000-03-29 2006-08-29 At&T Corp. Effective deployment of temporal noise shaping (TNS) filters
US6735561B1 (en) * 2000-03-29 2004-05-11 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
US8605911B2 (en) 2001-07-10 2013-12-10 Dolby International Ab Efficient and scalable parametric stereo coding for low bitrate audio coding applications
SE0202159D0 (sv) 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
EP1423847B1 (fr) 2001-11-29 2005-02-02 Coding Technologies AB Reconstruction des hautes frequences
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
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
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
ES2297083T3 (es) 2002-09-04 2008-05-01 Microsoft Corporation Codificacion entropica por adaptacion de la codificacion entre modos por longitud de ejecucion y por nivel.
US7502743B2 (en) * 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
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
US7724827B2 (en) 2003-09-07 2010-05-25 Microsoft Corporation Multi-layer run level encoding and decoding
US7688894B2 (en) 2003-09-07 2010-03-30 Microsoft Corporation Scan patterns for interlaced video content
US7782954B2 (en) 2003-09-07 2010-08-24 Microsoft Corporation Scan patterns for progressive video content
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
CN101151659B (zh) * 2005-03-30 2014-02-05 皇家飞利浦电子股份有限公司 多通道音频编码器、设备、方法及其解码器、设备和方法
US7684981B2 (en) 2005-07-15 2010-03-23 Microsoft Corporation Prediction of spectral coefficients in waveform coding and decoding
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
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
US7630882B2 (en) * 2005-07-15 2009-12-08 Microsoft Corporation Frequency segmentation to obtain bands for efficient coding of digital media
US7539612B2 (en) * 2005-07-15 2009-05-26 Microsoft Corporation Coding and decoding scale factor information
US8599925B2 (en) * 2005-08-12 2013-12-03 Microsoft Corporation Efficient coding and decoding of transform blocks
US7933337B2 (en) 2005-08-12 2011-04-26 Microsoft Corporation Prediction of transform coefficients for image compression
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
DE3943879B4 (de) * 1989-04-17 2008-07-17 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
CA2090052C (fr) 1992-03-02 1998-11-24 Anibal Joao De Sousa Ferreira Methode et appareil de codage di signaux audio
EP0559348A3 (fr) * 1992-03-02 1993-11-03 AT&T Corp. Processeur ayant une boucle de réglage du débit pour un codeur/décodeur perceptuel
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
DE4331367C2 (de) * 1993-09-15 1996-04-18 Lewin Martin Innenmuffe zur Dichtung von Rohrstößen in Rohrleitungen
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
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
DE59701014D1 (de) 2000-02-17
KR100316582B1 (ko) 2002-02-28
ES2143868T3 (es) 2000-05-16
CA2260090C (fr) 2000-10-17
DE19628292A1 (de) 1998-01-15
KR20000022435A (ko) 2000-04-25
AU3031897A (en) 1998-02-09
US6771777B1 (en) 2004-08-03
DK0910927T3 (da) 2000-05-08
CA2260090A1 (fr) 1998-01-22
JP3622982B2 (ja) 2005-02-23
EP0910927B1 (fr) 2000-01-12
JP2000505266A (ja) 2000-04-25
EP0910927A1 (fr) 1999-04-28
WO1998003036A1 (fr) 1998-01-22
PT910927E (pt) 2000-04-28
GR3032444T3 (en) 2000-05-31
ATE188832T1 (de) 2000-01-15
NO990106L (no) 1999-03-10
NO990106D0 (no) 1999-01-11
AU712196B2 (en) 1999-10-28

Similar Documents

Publication Publication Date Title
NO317570B1 (no) Koding og dekoding av spektralverdier for stereofoni
NO316972B1 (no) Koding og dekoding av audiosignaler ved prediksjon og med en intensitetsstereoprosess
US5706309A (en) Process for transmitting and/or storing digital signals of multiple channels
KR101135726B1 (ko) 인코더, 디코더, 인코딩 방법, 디코딩 방법 및 기록 매체
KR100395190B1 (ko) 신호 부호화 또는 복호화 장치, 및 신호 부호화 또는복호화 방법
US5581654A (en) Method and apparatus for information encoding and decoding
JP3343962B2 (ja) 高能率符号化方法及び装置
US8321229B2 (en) Apparatus, medium and method to encode and decode high frequency signal
US10255928B2 (en) Apparatus, medium and method to encode and decode high frequency signal
EP1208725B1 (fr) Dispositif de traitement de signal audio a canaux multiples
US20010038643A1 (en) Method for inserting auxiliary data in an audio data stream
KR100419546B1 (ko) 신호부호화방법및장치,신호복호화방법및장치,및신호전송방법
EP1393303A1 (fr) Suppression de la redondance de signaux intercanaux dans le codage audio perceptuel
PL182240B1 (pl) Koder akustyczny wielokanalowy PL PL PL PL PL PL PL PL PL
JP4736812B2 (ja) 信号符号化装置及び方法、信号復号装置及び方法、並びにプログラム及び記録媒体
JPH07336234A (ja) 信号符号化方法及び装置並びに信号復号化方法及び装置
JP2581696B2 (ja) 音声分析合成器
JPH08123488A (ja) 高能率符号化方法、高能率符号記録方法、高能率符号伝送方法、高能率符号化装置及び高能率符号復号化方法
JP3827720B2 (ja) 差分コーディング原理を用いる送信システム
JPH06324093A (ja) オーディオ信号のスペクトル表示装置
JP3128339B2 (ja) 符号化／復号化方式
JPH0242835A (ja) 帯域分割形附号復号化方法および装置
JPH09102741A (ja) 符号化方法および装置、復号化方法および装置、並びに記録媒体
JPH0779251B2 (ja) サブバンドフィルタ及びサブバンド符号化方式
JPH11272294A (ja) エンコード方法、デコード方法、エンコード装置、デコード装置、ディジタル信号記録方法、ディジタル信号記録装置、記録媒体、ディジタル信号送信方法及びディジタル信号送信装置

Legal Events

Date Code Title Description
MK1K Patent expired