DK1016319T3 - Fremgangsmåde og indretning til kodning af et tidsdiskret stereosignal - Google Patents

Fremgangsmåde og indretning til kodning af et tidsdiskret stereosignal

Info

Publication number
DK1016319T3
DK1016319T3 DK98932156T DK98932156T DK1016319T3 DK 1016319 T3 DK1016319 T3 DK 1016319T3 DK 98932156 T DK98932156 T DK 98932156T DK 98932156 T DK98932156 T DK 98932156T DK 1016319 T3 DK1016319 T3 DK 1016319T3
Authority
DK
Denmark
Prior art keywords
coded
stereo
signal
time
stereo signal
Prior art date
Application number
DK98932156T
Other languages
English (en)
Inventor
Bernhard Grill
Bodo Teichmann
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
Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Application granted granted Critical
Publication of DK1016319T3 publication Critical patent/DK1016319T3/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
    • G10L19/04—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 predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
DK98932156T 1997-09-26 1998-06-15 Fremgangsmåde og indretning til kodning af et tidsdiskret stereosignal DK1016319T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19742655A DE19742655C2 (de) 1997-09-26 1997-09-26 Verfahren und Vorrichtung zum Codieren eines zeitdiskreten Stereosignals
PCT/EP1998/003605 WO1999017587A1 (de) 1997-09-26 1998-06-15 Verfahren und vorrichtung zum codieren eines zeitdiskreten stereosignals

Publications (1)

Publication Number Publication Date
DK1016319T3 true DK1016319T3 (da) 2001-10-08

Family

ID=7843796

Family Applications (1)

Application Number Title Priority Date Filing Date
DK98932156T DK1016319T3 (da) 1997-09-26 1998-06-15 Fremgangsmåde og indretning til kodning af et tidsdiskret stereosignal

Country Status (7)

Country Link
US (1) US6629078B1 (da)
EP (1) EP1016319B1 (da)
AT (1) ATE205041T1 (da)
DE (2) DE19742655C2 (da)
DK (1) DK1016319T3 (da)
ES (1) ES2161059T3 (da)
WO (1) WO1999017587A1 (da)

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EP1233556A1 (en) * 2001-02-16 2002-08-21 Sony International (Europe) GmbH Receiver for receiving broadcast signals, comprising two tuners, for receiving a broadcast signal transmitted on two different broadcast frequencies or using two different broadcast systems
ES2278192T3 (es) * 2002-11-28 2007-08-01 Koninklijke Philips Electronics N.V. Codificacion de una señal de audio.
WO2004086817A2 (en) * 2003-03-24 2004-10-07 Koninklijke Philips Electronics N.V. Coding of main and side signal representing a multichannel signal
BRPI0516201A (pt) * 2004-09-28 2008-08-26 Matsushita Electric Ind Co Ltd aparelho de codificação escalonável e método de codificação escalonável
US7904292B2 (en) * 2004-09-30 2011-03-08 Panasonic Corporation Scalable encoding device, scalable decoding device, and method thereof
EP1818911B1 (en) * 2004-12-27 2012-02-08 Panasonic Corporation Sound coding device and sound coding method
EP1821287B1 (en) * 2004-12-28 2009-11-11 Panasonic Corporation Audio encoding device and audio encoding method
WO2006070760A1 (ja) * 2004-12-28 2006-07-06 Matsushita Electric Industrial Co., Ltd. スケーラブル符号化装置およびスケーラブル符号化方法
WO2006118178A1 (ja) * 2005-04-28 2006-11-09 Matsushita Electric Industrial Co., Ltd. 音声符号化装置および音声符号化方法
JP4907522B2 (ja) * 2005-04-28 2012-03-28 パナソニック株式会社 音声符号化装置および音声符号化方法
JPWO2007116809A1 (ja) * 2006-03-31 2009-08-20 パナソニック株式会社 ステレオ音声符号化装置、ステレオ音声復号装置、およびこれらの方法
WO2008016097A1 (fr) * 2006-08-04 2008-02-07 Panasonic Corporation dispositif de codage audio stéréo, dispositif de décodage audio stéréo et procédé de ceux-ci
US9009032B2 (en) * 2006-11-09 2015-04-14 Broadcom Corporation Method and system for performing sample rate conversion
JP5363488B2 (ja) * 2007-09-19 2013-12-11 テレフオンアクチーボラゲット エル エム エリクソン（パブル） マルチチャネル・オーディオのジョイント強化
JP5404412B2 (ja) * 2007-11-01 2014-01-29 パナソニック株式会社 符号化装置、復号装置およびこれらの方法
WO2010042024A1 (en) * 2008-10-10 2010-04-15 Telefonaktiebolaget Lm Ericsson (Publ) Energy conservative multi-channel audio coding
BR122019023877B1 (pt) * 2009-03-17 2021-08-17 Dolby International Ab Sistema codificador, sistema decodificador, método para codificar um sinal estéreo para um sinal de fluxo de bits e método para decodificar um sinal de fluxo de bits para um sinal estéreo
JP5333257B2 (ja) * 2010-01-20 2013-11-06 富士通株式会社 符号化装置、符号化システムおよび符号化方法
WO2012045744A1 (en) * 2010-10-06 2012-04-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for processing an audio signal and for providing a higher temporal granularity for a combined unified speech and audio codec (usac)
EP2544465A1 (en) * 2011-07-05 2013-01-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method and apparatus for decomposing a stereo recording using frequency-domain processing employing a spectral weights generator
TWI557727B (zh) * 2013-04-05 2016-11-11 杜比國際公司 音訊處理系統、多媒體處理系統、處理音訊位元流的方法以及電腦程式產品
CN105556597B (zh) 2013-09-12 2019-10-29 杜比国际公司 多声道音频内容的编码和解码

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CA2090052C (en) * 1992-03-02 1998-11-24 Anibal Joao De Sousa Ferreira Method and apparatus for the perceptual coding of audio signals
GB9206860D0 (en) * 1992-03-27 1992-05-13 British Telecomm Two-layer video coder
JP2693893B2 (ja) * 1992-03-30 1997-12-24 松下電器産業株式会社 ステレオ音声符号化方法
DE4217276C1 (da) * 1992-05-25 1993-04-08 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung Ev, 8000 Muenchen, De
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
DE4345171C2 (de) * 1993-09-15 1996-02-01 Fraunhofer Ges Forschung Verfahren zum Bestimmen der zu wählenden Codierungsart für die Codierung von wenigstens zwei Signalen
KR960012475B1 (ko) * 1994-01-18 1996-09-20 대우전자 주식회사 디지탈 오디오 부호화장치의 채널별 비트 할당 장치
DE4409368A1 (de) * 1994-03-18 1995-09-21 Fraunhofer Ges Forschung Verfahren zum Codieren mehrerer Audiosignale
DE19537338C2 (de) * 1995-10-06 2003-05-22 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Codieren von Audiosignalen
US5852806A (en) * 1996-03-19 1998-12-22 Lucent Technologies Inc. Switched filterbank for use in audio signal coding
US6345246B1 (en) * 1997-02-05 2002-02-05 Nippon Telegraph And Telephone Corporation Apparatus and method for efficiently coding plural channels of an acoustic signal at low bit rates

Also Published As

Publication number Publication date
EP1016319A1 (de) 2000-07-05
EP1016319B1 (de) 2001-08-29
ES2161059T3 (es) 2001-11-16
DE19742655C2 (de) 1999-08-05
WO1999017587A1 (de) 1999-04-08
US6629078B1 (en) 2003-09-30
DE59801343D1 (de) 2001-10-04
ATE205041T1 (de) 2001-09-15
DE19742655A1 (de) 1999-04-22

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