DE60128711D1 - Mehrkanal-signalcodierung und -decodierung - Google Patents

Mehrkanal-signalcodierung und -decodierung

Info

Publication number
DE60128711D1
DE60128711D1 DE60128711T DE60128711T DE60128711D1 DE 60128711 D1 DE60128711 D1 DE 60128711D1 DE 60128711 T DE60128711 T DE 60128711T DE 60128711 T DE60128711 T DE 60128711T DE 60128711 D1 DE60128711 D1 DE 60128711D1
Authority
DE
Germany
Prior art keywords
decoding
signal coding
multichannel signal
correlation
channel
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE60128711T
Other languages
English (en)
Other versions
DE60128711T2 (de
Inventor
Tor Bjoern Minde
Arne Steinarson
Jonas Svedberg
Tomas Lundberg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of DE60128711D1 publication Critical patent/DE60128711D1/de
Application granted granted Critical
Publication of DE60128711T2 publication Critical patent/DE60128711T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Error Detection And Correction (AREA)
DE60128711T 2000-09-15 2001-09-05 Mehrkanal-signalcodierung und -decodierung Expired - Lifetime DE60128711T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE0003285 2000-09-15
SE0003285A SE519981C2 (sv) 2000-09-15 2000-09-15 Kodning och avkodning av signaler från flera kanaler
PCT/SE2001/001885 WO2002023528A1 (en) 2000-09-15 2001-09-05 Multi-channel signal encoding and decoding

Publications (2)

Publication Number Publication Date
DE60128711D1 true DE60128711D1 (de) 2007-07-12
DE60128711T2 DE60128711T2 (de) 2008-02-07

Family

ID=20281032

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60128711T Expired - Lifetime DE60128711T2 (de) 2000-09-15 2001-09-05 Mehrkanal-signalcodierung und -decodierung

Country Status (8)

Country Link
US (1) US7283957B2 (de)
EP (1) EP1320849B1 (de)
JP (1) JP4485123B2 (de)
AT (1) ATE363710T1 (de)
AU (1) AU2001284588A1 (de)
DE (1) DE60128711T2 (de)
SE (1) SE519981C2 (de)
WO (1) WO2002023528A1 (de)

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SE519981C2 (sv) 2000-09-15 2003-05-06 Ericsson Telefon Ab L M Kodning och avkodning av signaler från flera kanaler
SE519976C2 (sv) * 2000-09-15 2003-05-06 Ericsson Telefon Ab L M Kodning och avkodning av signaler från flera kanaler
US7111102B2 (en) * 2003-10-06 2006-09-19 Cisco Technology, Inc. Port adapter for high-bandwidth bus
FR2867649A1 (fr) * 2003-12-10 2005-09-16 France Telecom Procede de codage multiple optimise
US7630396B2 (en) * 2004-08-26 2009-12-08 Panasonic Corporation Multichannel signal coding equipment and multichannel signal decoding equipment
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
US7797162B2 (en) * 2004-12-28 2010-09-14 Panasonic Corporation Audio encoding device and audio encoding method
US9626973B2 (en) 2005-02-23 2017-04-18 Telefonaktiebolaget L M Ericsson (Publ) Adaptive bit allocation for multi-channel audio encoding
EP1851866B1 (de) * 2005-02-23 2011-08-17 Telefonaktiebolaget LM Ericsson (publ) Adaptive bitzuweisung für die mehrkanal-audiokodierung
US8000967B2 (en) * 2005-03-09 2011-08-16 Telefonaktiebolaget Lm Ericsson (Publ) Low-complexity code excited linear prediction encoding
EP1876585B1 (de) * 2005-04-28 2010-06-16 Panasonic Corporation Audiocodierungseinrichtung und audiocodierungsverfahren
DE602006011600D1 (de) * 2005-04-28 2010-02-25 Panasonic Corp Audiocodierungseinrichtung und audiocodierungsverfahren
US9058812B2 (en) * 2005-07-27 2015-06-16 Google Technology Holdings LLC Method and system for coding an information signal using pitch delay contour adjustment
EP1771021A1 (de) * 2005-09-29 2007-04-04 Telefonaktiebolaget LM Ericsson (publ) Verfahren und Einrichtung zur Zuweisung von Funkressourcen
KR100667852B1 (ko) * 2006-01-13 2007-01-11 삼성전자주식회사 휴대용 레코더 기기의 잡음 제거 장치 및 그 방법
EP1848243B1 (de) * 2006-04-18 2009-02-18 Harman/Becker Automotive Systems GmbH System und Verfahren zur Mehrkanal-Echokompensation
WO2008045846A1 (en) * 2006-10-10 2008-04-17 Qualcomm Incorporated Method and apparatus for encoding and decoding audio signals
KR101398836B1 (ko) * 2007-08-02 2014-05-26 삼성전자주식회사 스피치 코덱들의 고정 코드북들을 공통 모듈로 구현하는방법 및 장치
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
GB2470059A (en) 2009-05-08 2010-11-10 Nokia Corp Multi-channel audio processing using an inter-channel prediction model to form an inter-channel parameter
US8620660B2 (en) * 2010-10-29 2013-12-31 The United States Of America, As Represented By The Secretary Of The Navy Very low bit rate signal coder and decoder
JP5737077B2 (ja) * 2011-08-30 2015-06-17 富士通株式会社 オーディオ符号化装置、オーディオ符号化方法及びオーディオ符号化用コンピュータプログラム
US9460729B2 (en) 2012-09-21 2016-10-04 Dolby Laboratories Licensing Corporation Layered approach to spatial audio coding
KR101841380B1 (ko) * 2014-01-13 2018-03-22 노키아 테크놀로지스 오와이 다중-채널 오디오 신호 분류기
EP3067885A1 (de) * 2015-03-09 2016-09-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und verfahren zur verschlüsselung oder entschlüsselung eines mehrkanalsignals
EP3067887A1 (de) 2015-03-09 2016-09-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierer zur codierung eines mehrkanalsignals und audiodecodierer zur decodierung eines codierten audiosignals
ES2809677T3 (es) 2015-09-25 2021-03-05 Voiceage Corp Método y sistema para codificar una señal de sonido estéreo utilizando parámetros de codificación de un canal primario para codificar un canal secundario
US9978381B2 (en) * 2016-02-12 2018-05-22 Qualcomm Incorporated Encoding of multiple audio signals
US10475457B2 (en) * 2017-07-03 2019-11-12 Qualcomm Incorporated Time-domain inter-channel prediction
CN110718237B (zh) * 2018-07-12 2023-08-18 阿里巴巴集团控股有限公司 串音数据检测方法和电子设备
MX2023002825A (es) * 2020-09-09 2023-05-30 Voiceage Corp Metodo y dispositivo para la clasificacion de contenido estereo no correlacionado, deteccion de diafonia y seleccion de modo estereo en un codec de sonido.
CN115410584A (zh) * 2021-05-28 2022-11-29 华为技术有限公司 多声道音频信号的编码方法和装置

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Publication number Priority date Publication date Assignee Title
GB8913758D0 (en) 1989-06-15 1989-08-02 British Telecomm Polyphonic coding
JP3343962B2 (ja) 1992-11-11 2002-11-11 ソニー株式会社 高能率符号化方法及び装置
US5956674A (en) * 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
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
TW384434B (en) 1997-03-31 2000-03-11 Sony Corp Encoding method, device therefor, decoding method, device therefor and recording medium
DE19829284C2 (de) 1998-05-15 2000-03-16 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Verarbeiten eines zeitlichen Stereosignals und Verfahren und Vorrichtung zum Decodieren eines unter Verwendung einer Prädiktion über der Frequenz codierten Audiobitstroms
SE519552C2 (sv) * 1998-09-30 2003-03-11 Ericsson Telefon Ab L M Flerkanalig signalkodning och -avkodning
SE519981C2 (sv) 2000-09-15 2003-05-06 Ericsson Telefon Ab L M Kodning och avkodning av signaler från flera kanaler

Also Published As

Publication number Publication date
SE0003285D0 (sv) 2000-09-15
EP1320849A1 (de) 2003-06-25
JP2004509366A (ja) 2004-03-25
SE519981C2 (sv) 2003-05-06
DE60128711T2 (de) 2008-02-07
SE0003285L (sv) 2002-03-16
JP4485123B2 (ja) 2010-06-16
WO2002023528A1 (en) 2002-03-21
US20040109471A1 (en) 2004-06-10
ATE363710T1 (de) 2007-06-15
US7283957B2 (en) 2007-10-16
AU2001284588A1 (en) 2002-03-26
EP1320849B1 (de) 2007-05-30

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