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)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (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
ATE348386T1 (de) * 2002-11-28 2007-01-15 Koninkl Philips Electronics Nv Audiosignalkodierung
EP1609335A2 (en) * 2003-03-24 2005-12-28 Koninklijke Philips Electronics N.V. Coding of main and side signal representing a multichannel signal
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
ATE440361T1 (de) * 2004-09-30 2009-09-15 Panasonic Corp Einrichtung für skalierbare codierung, einrichtung für skalierbare decodierung und verfahren dafür
US7945447B2 (en) * 2004-12-27 2011-05-17 Panasonic Corporation Sound coding device and sound coding method
JP4842147B2 (ja) * 2004-12-28 2011-12-21 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
DE602005017660D1 (de) * 2004-12-28 2009-12-24 Panasonic Corp Audiokodierungsvorrichtung und audiokodierungsmethode
EP1876586B1 (en) * 2005-04-28 2010-01-06 Panasonic Corporation Audio encoding device and audio encoding method
CN101167124B (zh) * 2005-04-28 2011-09-21 松下电器产业株式会社 语音编码装置和语音编码方法
WO2007116809A1 (ja) * 2006-03-31 2007-10-18 Matsushita Electric Industrial Co., Ltd. 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
JP4999846B2 (ja) * 2006-08-04 2012-08-15 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
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
US8352249B2 (en) * 2007-11-01 2013-01-08 Panasonic Corporation Encoding device, decoding device, and method thereof
EP2345027B1 (en) * 2008-10-10 2018-04-18 Telefonaktiebolaget LM Ericsson (publ) Energy-conserving multi-channel audio coding and decoding
CN105225667B (zh) 2009-03-17 2019-04-05 杜比国际公司 编码器系统、解码器系统、编码方法和解码方法
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
CA2813859C (en) * 2010-10-06 2016-07-12 Fraunhofer-Gesellschaft Zur Foerderung 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
EP3293734B1 (en) 2013-09-12 2019-05-15 Dolby International AB Decoding 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
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
DE19549621B4 (de) * 1995-10-06 2004-07-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. 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
ES2161059T3 (es) 2001-11-16
WO1999017587A1 (de) 1999-04-08
DE19742655C2 (de) 1999-08-05
DE19742655A1 (de) 1999-04-22
US6629078B1 (en) 2003-09-30
ATE205041T1 (de) 2001-09-15
DE59801343D1 (de) 2001-10-04
EP1016319A1 (de) 2000-07-05
EP1016319B1 (de) 2001-08-29

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
ATE183864T1 (de) Verfahren und vorrichtung zur skalierbaren codierung von audiosignalen
BRPI0408708A (pt) método, equipamento e sistema para codificar e decodificar informações secundárias para transmissão de multimìdia
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
ATE143544T1 (de) Verfahren zur übertragung und/oder speicherung digitaler signale mehrerer kanäle
DK1016320T3 (da) Fremgangsmåde og apparat til indkodning og dekodning af multiple audiokanaler ved lave bithastigheder
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.
AU2003224281A1 (en) Transmission system
DK1668959T3 (da) Kompatibel multikanalkodning/dekodning
BR9705838B1 (pt) processo de codificação de áudio escalonável, aparelho de codificação de sinais de áudio, processo de decodificação de áudio escalonável, e aparelho de decodificação de áudio escalonável.
ATE443317T1 (de) Kodierung und dekodierung von mehrkanaltonsignalen basierend auf einer haupt- und nebensignal darstellung
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
ES8301563A1 (es) Un metodo de codificar una secuencia de bitios de datos bi- narios en una secuencia de bitios de canales binarios
EP1441330A3 (en) Method of encoding and/or decoding digital audio using time-frequency correlation and apparatus performing the method