NO990106L - Koding og dekoding av spektralverdier for stereofoni - Google Patents

Koding og dekoding av spektralverdier for stereofoni

Info

Publication number
NO990106L
NO990106L NO990106A NO990106A NO990106L NO 990106 L NO990106 L NO 990106L NO 990106 A NO990106 A NO 990106A NO 990106 A NO990106 A NO 990106A NO 990106 L NO990106 L NO 990106L
Authority
NO
Norway
Prior art keywords
spectral values
code book
stereo audio
coded
section
Prior art date
Application number
NO990106A
Other languages
English (en)
Other versions
NO317570B1 (no
NO990106D0 (no
Inventor
Uwe Gbur
Martin Dietz
Bodo Teichmann
Karlheinz Brandenburg
Heinz Gerhouser
J Rgen Herre
James Johnston
Original Assignee
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=NO990106(L) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Fraunhofer Ges Forschung, At & T Lab Research, Lucent Technologies Inc 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 (de) 1996-07-12 1997-06-03 Verfahren zum codieren und decodieren von stereoaudiospektralwerten

Publications (3)

Publication Number Publication Date
NO990106D0 NO990106D0 (no) 1999-01-11
NO990106L true NO990106L (no) 1999-03-10
NO317570B1 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 (no)
EP (1) EP0910927B1 (no)
JP (1) JP3622982B2 (no)
KR (1) KR100316582B1 (no)
AT (1) ATE188832T1 (no)
AU (1) AU712196B2 (no)
CA (1) CA2260090C (no)
DE (2) DE19628292B4 (no)
DK (1) DK0910927T3 (no)
ES (1) ES2143868T3 (no)
GR (1) GR3032444T3 (no)
NO (1) NO317570B1 (no)
PT (1) PT910927E (no)
WO (1) WO1998003036A1 (no)

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
EP1175030B1 (en) * 2000-07-07 2008-02-20 Nokia Siemens Networks Oy Method and system for multichannel perceptual audio coding using the cascaded discrete cosine transform or modified discrete cosine transform
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
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
DE60330198D1 (de) 2002-09-04 2009-12-31 Microsoft Corp Entropische Kodierung mittels Anpassung des Kodierungsmodus zwischen Niveau- und Lauflängenniveau-Modus
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
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
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
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
CN1922655A (zh) * 2004-07-06 2007-02-28 松下电器产业株式会社 音频信号编码装置、音频信号解码装置、方法及程序
KR101315077B1 (ko) * 2005-03-30 2013-10-08 코닌클리케 필립스 일렉트로닉스 엔.브이. 멀티-채널 오디오 데이터를 인코딩 및 디코딩하기 위한 방법, 및 인코더들 및 디코더들
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
US7693709B2 (en) 2005-07-15 2010-04-06 Microsoft Corporation Reordering coefficients for waveform coding or decoding
US7684981B2 (en) 2005-07-15 2010-03-23 Microsoft Corporation Prediction of spectral coefficients in waveform coding and decoding
US7539612B2 (en) * 2005-07-15 2009-05-26 Microsoft Corporation Coding and decoding scale factor information
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
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
US7933337B2 (en) 2005-08-12 2011-04-26 Microsoft Corporation Prediction of transform coefficients for image compression
US7831434B2 (en) 2006-01-20 2010-11-09 Microsoft Corporation Complex-transform channel coding with extended-band frequency coding
US7953604B2 (en) * 2006-01-20 2011-05-31 Microsoft Corporation Shape and scale parameters for extended-band frequency coding
US8190425B2 (en) 2006-01-20 2012-05-29 Microsoft Corporation Complex cross-correlation parameters for multi-channel audio
US8184710B2 (en) 2007-02-21 2012-05-22 Microsoft Corporation Adaptive truncation of transform coefficient data in a transform-based digital media codec
US7761290B2 (en) 2007-06-15 2010-07-20 Microsoft Corporation Flexible frequency and time partitioning in perceptual transform coding of audio
US7774205B2 (en) 2007-06-15 2010-08-10 Microsoft Corporation Coding of sparse digital media spectral data
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 (en) 1992-03-02 1998-11-24 Anibal Joao De Sousa Ferreira Method and apparatus for the perceptual coding of audio signals
EP0559348A3 (en) * 1992-03-02 1993-11-03 AT&T Corp. Rate control loop processor for perceptual encoder/decoder
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
US5864802A (en) 1995-09-22 1999-01-26 Samsung Electronics Co., Ltd. Digital audio encoding method utilizing look-up table and device thereof

Also Published As

Publication number Publication date
AU3031897A (en) 1998-02-09
GR3032444T3 (en) 2000-05-31
NO317570B1 (no) 2004-11-15
WO1998003036A1 (de) 1998-01-22
NO990106D0 (no) 1999-01-11
DE59701014D1 (de) 2000-02-17
EP0910927A1 (de) 1999-04-28
JP3622982B2 (ja) 2005-02-23
DK0910927T3 (da) 2000-05-08
EP0910927B1 (de) 2000-01-12
DE19628292A1 (de) 1998-01-15
CA2260090A1 (en) 1998-01-22
CA2260090C (en) 2000-10-17
JP2000505266A (ja) 2000-04-25
US6771777B1 (en) 2004-08-03
AU712196B2 (en) 1999-10-28
PT910927E (pt) 2000-04-28
DE19628292B4 (de) 2007-08-02
KR20000022435A (ko) 2000-04-25
KR100316582B1 (ko) 2002-02-28
ATE188832T1 (de) 2000-01-15
ES2143868T3 (es) 2000-05-16

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