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)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US7644001B2 (en) * 2002-11-28 2010-01-05 Koninklijke Philips Electronics N.V. Differentially coding an audio signal
JP2006521577A (ja) * 2003-03-24 2006-09-21 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ マルチチャネル信号を表す主信号と副信号の符号化
JP4555299B2 (ja) * 2004-09-28 2010-09-29 パナソニック株式会社 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
EP1801783B1 (en) * 2004-09-30 2009-08-19 Panasonic Corporation Scalable encoding device, scalable decoding device, and method thereof
WO2006070751A1 (ja) * 2004-12-27 2006-07-06 Matsushita Electric Industrial Co., Ltd. 音声符号化装置および音声符号化方法
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
US7797162B2 (en) * 2004-12-28 2010-09-14 Panasonic Corporation Audio encoding device and audio encoding method
EP1876585B1 (en) * 2005-04-28 2010-06-16 Panasonic Corporation Audio encoding device and audio encoding method
DE602006011600D1 (de) * 2005-04-28 2010-02-25 Panasonic Corp Audiocodierungseinrichtung und audiocodierungsverfahren
US20090276210A1 (en) * 2006-03-31 2009-11-05 Panasonic Corporation Stereo audio encoding apparatus, stereo audio decoding apparatus, and method thereof
WO2008016097A1 (en) * 2006-08-04 2008-02-07 Panasonic Corporation Stereo audio encoding device, stereo audio decoding device, and method thereof
US9009032B2 (en) * 2006-11-09 2015-04-14 Broadcom Corporation Method and system for performing sample rate conversion
CN101802907B (zh) * 2007-09-19 2013-11-13 爱立信电话股份有限公司 多信道音频的联合增强
WO2009057329A1 (ja) * 2007-11-01 2009-05-07 Panasonic Corporation 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
BR122019023947B1 (pt) 2009-03-17 2021-04-06 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
BR112013008463B8 (pt) * 2010-10-06 2022-04-05 Fraunhofer Ges Zur Foerderung Der Angewandten Forschubg E V Aparelho e método para processar um sinal de áudio e para prover uma granularidade temporal maior para um codec de fala e áudio unificado combinado (usac)
EP2544466A1 (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 subtractor
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
WO2015036352A1 (en) * 2013-09-12 2015-03-19 Dolby International Ab Coding of multichannel audio content

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
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
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
DE19742655C2 (de) 1999-08-05
DE59801343D1 (de) 2001-10-04
WO1999017587A1 (de) 1999-04-08
ATE205041T1 (de) 2001-09-15
EP1016319B1 (de) 2001-08-29
EP1016319A1 (de) 2000-07-05
US6629078B1 (en) 2003-09-30
DE19742655A1 (de) 1999-04-22
ES2161059T3 (es) 2001-11-16

Similar Documents

Publication Publication Date Title
DK1016319T3 (da) Fremgangsmåde og indretning til kodning af et tidsdiskret stereosignal
BR0305555A (pt) Método e codificador para codificar um sinal de áudio, aparelho para fornecimento de um sinal de áudio, sinal de áudio codificado, meio de armazenamento, e, método e decodificador para decodificar um sinal de áudio codificado
NO981532L (no) FremgangsmÕte og innretning for koding av lydsignaler
ATE313901T1 (de) Übertragungssystem
UA37185C2 (uk) Пристрій кодування відеосигналу, який подає зображення, приймач телевізійного сигналу, що включає дані заголовків та корисні дані у вигляді стислих відеоданих
CA2317322A1 (en) Method and apparatus for sub-band coding and decoding
DE69432480D1 (de) Identifikations/beglaubigungskodierungsverfahren und -vorrichtung
BR0304540A (pt) Métodos para codificar um sinal de áudio, e para decodificar um sinal de áudio codificado, codificador para codificar um sinal de áudio, aparelho para fornecer um sinal de áudio, sinal de áudio codificado, meio de armazenagem, e, decodificador para decodificar um sinal de áudio codificado
DK1016320T3 (da) Fremgangsmåde og apparat til indkodning og dekodning af multiple audiokanaler ved lave bithastigheder
ATE222042T1 (de) Verfahren zur einbindung von audiovisueller codierter information in einen vorgegebenen übertragungsstandard sowie endgeräte hierzu
ATE198384T1 (de) Verfahren zur kodierung, dekodierung und kompression von audiodaten
BR0305434A (pt) Métodos e arranjos para codificar e para decodificar um sinal de áudio multicanal, aparelhos para fornecer um sinal de áudio codificado e um sinal de áudio decodificado, sinal de áudio multicanal codificado, e, meio de armazenagem
DE69934085D1 (de) Rastergenaue editierung kodierter audiovisueller sequenzen
MY123835A (en) Scalable audio coding/decoding method and apparatus
MX9603665A (es) Sistema de codificacion/descodificacion de informacion de imagen.
DK1668959T3 (da) Kompatibel multikanalkodning/dekodning
IT1281001B1 (it) Procedimento e apparecchiatura per codificare, manipolare e decodificare segnali audio.
RU94044524A (ru) Способы декодирования потока данных, системы и способы для разворачивания потока сжатых данных, способы и системы создания составного кодового потока и его декодирования, способ кодирования потока данных, кодеры, система передачи видеосигналов
ATE358317T1 (de) Mehrkanal-signalcodierung und -decodierung
PL1854334T3 (pl) Urządzenie i sposób do generowania zakodowanego sygnału stereo fragmentu dźwiękowego lub strumienia danych audio
ES8309046A1 (es) Un dispositivo portador de registro dotado de una estructurade informacion
MX9801191A (es) Codificador de video que emplea traslado de pixeles.
EP1441330A3 (en) Method of encoding and/or decoding digital audio using time-frequency correlation and apparatus performing the method
DE69932861D1 (de) Verfahren zur kodierung eines audiosignals mit einem qualitätswert für bit-zuordnung
DE69734543D1 (de) Mit 2-kanal- und 1-kanal-übertragung kompatible n-kanalübertragung