EP1845519A3 - Encodage et décodage de signaux audio multicanaux basés sur une représentation d'un signal principal et latéral - Google Patents

Encodage et décodage de signaux audio multicanaux basés sur une représentation d'un signal principal et latéral Download PDF

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Publication number
EP1845519A3
EP1845519A3 EP07109801A EP07109801A EP1845519A3 EP 1845519 A3 EP1845519 A3 EP 1845519A3 EP 07109801 A EP07109801 A EP 07109801A EP 07109801 A EP07109801 A EP 07109801A EP 1845519 A3 EP1845519 A3 EP 1845519A3
Authority
EP
European Patent Office
Prior art keywords
encoding
signal
main
decoding
mono
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.)
Granted
Application number
EP07109801A
Other languages
German (de)
English (en)
Other versions
EP1845519A2 (fr
EP1845519B1 (fr
Inventor
Ingemar Johansson
Anisse Taleb
Stefan Bruhn
Daniel ENSTRÖM
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
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Publication date
Priority claimed from SE0303501A external-priority patent/SE0303501D0/xx
Application filed by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of EP1845519A2 publication Critical patent/EP1845519A2/fr
Publication of EP1845519A3 publication Critical patent/EP1845519A3/fr
Application granted granted Critical
Publication of EP1845519B1 publication Critical patent/EP1845519B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Endoscopes (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
EP07109801A 2003-12-19 2004-12-15 Encodage et décodage de signaux audio multicanaux basés sur une représentation d'un signal principal et latéral Active EP1845519B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE0303501A SE0303501D0 (sv) 2003-12-19 2003-12-19 Filter-based parametric multi-channel coding
SE0400417A SE527670C2 (sv) 2003-12-19 2004-02-20 Naturtrogenhetsoptimerad kodning med variabel ramlängd
EP04820553A EP1623411B1 (fr) 2003-12-19 2004-12-15 Codage de longueur de trames variables a fidelite optimisee

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP04820553A Division EP1623411B1 (fr) 2003-12-19 2004-12-15 Codage de longueur de trames variables a fidelite optimisee

Publications (3)

Publication Number Publication Date
EP1845519A2 EP1845519A2 (fr) 2007-10-17
EP1845519A3 true EP1845519A3 (fr) 2007-11-07
EP1845519B1 EP1845519B1 (fr) 2009-09-16

Family

ID=31996354

Family Applications (2)

Application Number Title Priority Date Filing Date
EP07109801A Active EP1845519B1 (fr) 2003-12-19 2004-12-15 Encodage et décodage de signaux audio multicanaux basés sur une représentation d'un signal principal et latéral
EP04820553A Active EP1623411B1 (fr) 2003-12-19 2004-12-15 Codage de longueur de trames variables a fidelite optimisee

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP04820553A Active EP1623411B1 (fr) 2003-12-19 2004-12-15 Codage de longueur de trames variables a fidelite optimisee

Country Status (15)

Country Link
EP (2) EP1845519B1 (fr)
JP (2) JP4335917B2 (fr)
CN (2) CN100559465C (fr)
AT (2) ATE443317T1 (fr)
AU (1) AU2004298708B2 (fr)
BR (2) BRPI0410856B8 (fr)
CA (2) CA2690885C (fr)
DE (2) DE602004008613T2 (fr)
HK (2) HK1091585A1 (fr)
MX (1) MXPA05012230A (fr)
PL (1) PL1623411T3 (fr)
RU (2) RU2305870C2 (fr)
SE (1) SE527670C2 (fr)
WO (1) WO2005059899A1 (fr)
ZA (1) ZA200508980B (fr)

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EP1946294A2 (fr) 2005-06-30 2008-07-23 LG Electronics Inc. Appareil et procede de codage et decodage de signal audio
AU2006266579B2 (en) 2005-06-30 2009-10-22 Lg Electronics Inc. Method and apparatus for encoding and decoding an audio signal
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US8032240B2 (en) 2005-07-11 2011-10-04 Lg Electronics Inc. Apparatus and method of processing an audio signal
US8577483B2 (en) 2005-08-30 2013-11-05 Lg Electronics, Inc. Method for decoding an audio signal
US7788107B2 (en) 2005-08-30 2010-08-31 Lg Electronics Inc. Method for decoding an audio signal
US7987097B2 (en) 2005-08-30 2011-07-26 Lg Electronics Method for decoding an audio signal
AU2006285538B2 (en) 2005-08-30 2011-03-24 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
EP1946302A4 (fr) 2005-10-05 2009-08-19 Lg Electronics Inc Procede et appareil de traitement de signal, procede de codage et de decodage, et appareil associe
US7751485B2 (en) 2005-10-05 2010-07-06 Lg Electronics Inc. Signal processing using pilot based coding
US8068569B2 (en) 2005-10-05 2011-11-29 Lg Electronics, Inc. Method and apparatus for signal processing and encoding and decoding
US7696907B2 (en) 2005-10-05 2010-04-13 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
KR100857115B1 (ko) 2005-10-05 2008-09-05 엘지전자 주식회사 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치
US7646319B2 (en) 2005-10-05 2010-01-12 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
US7672379B2 (en) 2005-10-05 2010-03-02 Lg Electronics Inc. Audio signal processing, encoding, and decoding
US7716043B2 (en) 2005-10-24 2010-05-11 Lg Electronics Inc. Removing time delays in signal paths
WO2007080211A1 (fr) * 2006-01-09 2007-07-19 Nokia Corporation Methode de decodage de signaux audio binauraux
EP1982328A1 (fr) 2006-02-06 2008-10-22 Telefonaktiebolaget LM Ericsson (publ) Codage à décalage de trames variable
US7461106B2 (en) 2006-09-12 2008-12-02 Motorola, Inc. Apparatus and method for low complexity combinatorial coding of signals
US8576096B2 (en) 2007-10-11 2013-11-05 Motorola Mobility Llc Apparatus and method for low complexity combinatorial coding of signals
US8209190B2 (en) 2007-10-25 2012-06-26 Motorola Mobility, Inc. Method and apparatus for generating an enhancement layer within an audio coding system
US7889103B2 (en) 2008-03-13 2011-02-15 Motorola Mobility, Inc. Method and apparatus for low complexity combinatorial coding of signals
US8639519B2 (en) 2008-04-09 2014-01-28 Motorola Mobility Llc Method and apparatus for selective signal coding based on core encoder performance
EP2124486A1 (fr) * 2008-05-13 2009-11-25 Clemens Par Dispositif fonctionnant en dépendance d'un angle ou méthode de génerer un signal audio pseudostéréophonique
EP2283483B1 (fr) * 2008-05-23 2013-03-13 Koninklijke Philips Electronics N.V. Appareil paramétrique de mixage amplificateur stéréo, décodeur paramétrique stéréo, appareil paramétrique de mixage réducteur stéréo, codeur paramétrique stéréo
WO2010016270A1 (fr) * 2008-08-08 2010-02-11 パナソニック株式会社 Dispositif de quantification, dispositif de codage, procédé de quantification et procédé de codage
JP5295372B2 (ja) * 2008-09-17 2013-09-18 フランス・テレコム デジタルオーディオ信号におけるプリエコーの減衰
JP5309944B2 (ja) 2008-12-11 2013-10-09 富士通株式会社 オーディオ復号装置、方法、及びプログラム
US8200496B2 (en) 2008-12-29 2012-06-12 Motorola Mobility, Inc. Audio signal decoder and method for producing a scaled reconstructed audio signal
US8175888B2 (en) 2008-12-29 2012-05-08 Motorola Mobility, Inc. Enhanced layered gain factor balancing within a multiple-channel audio coding system
US8140342B2 (en) 2008-12-29 2012-03-20 Motorola Mobility, Inc. Selective scaling mask computation based on peak detection
US8219408B2 (en) 2008-12-29 2012-07-10 Motorola Mobility, Inc. Audio signal decoder and method for producing a scaled reconstructed audio signal
JP5793675B2 (ja) * 2009-07-31 2015-10-14 パナソニックＩｐマネジメント株式会社 符号化装置および復号装置
US8977546B2 (en) * 2009-10-20 2015-03-10 Panasonic Intellectual Property Corporation Of America Encoding device, decoding device and method for both
EP2346028A1 (fr) * 2009-12-17 2011-07-20 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. Appareil et procédé de conversion d'un premier signal audio spatial paramétrique en un second signal audio spatial paramétrique
WO2011076285A1 (fr) * 2009-12-23 2011-06-30 Nokia Corporation Signal audio épars
US8442837B2 (en) 2009-12-31 2013-05-14 Motorola Mobility Llc Embedded speech and audio coding using a switchable model core
US8428936B2 (en) 2010-03-05 2013-04-23 Motorola Mobility Llc Decoder for audio signal including generic audio and speech frames
US8423355B2 (en) 2010-03-05 2013-04-16 Motorola Mobility Llc Encoder for audio signal including generic audio and speech frames
EP2544465A1 (fr) * 2011-07-05 2013-01-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Procédé et appareil pour décomposer un enregistrement stéréo utilisant le traitement de domaines de fréquence au moyen d'un générateur de pondérations spectrales
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CN107742521B (zh) 2016-08-10 2021-08-13 华为技术有限公司 多声道信号的编码方法和编码器
CN109215668B (zh) 2017-06-30 2021-01-05 华为技术有限公司 一种声道间相位差参数的编码方法及装置
CN115831130A (zh) 2018-06-29 2023-03-21 华为技术有限公司 立体声信号的编码方法、解码方法、编码装置和解码装置
CN112233682A (zh) * 2019-06-29 2021-01-15 华为技术有限公司 一种立体声编码方法、立体声解码方法和装置

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Also Published As

Publication number Publication date
CN101118747B (zh) 2011-02-23
BRPI0410856B1 (pt) 2019-10-01
EP1845519A2 (fr) 2007-10-17
JP4335917B2 (ja) 2009-09-30
AU2004298708A1 (en) 2005-06-30
PL1623411T3 (pl) 2008-01-31
WO2005059899A1 (fr) 2005-06-30
HK1115665A1 (en) 2008-12-05
CA2690885A1 (fr) 2005-06-30
JP2007529021A (ja) 2007-10-18
DE602004008613T2 (de) 2008-06-12
CA2690885C (fr) 2014-01-21
ZA200508980B (en) 2007-03-28
DE602004008613D1 (de) 2007-10-11
SE0400417D0 (sv) 2004-02-20
CN100559465C (zh) 2009-11-11
BRPI0410856B8 (pt) 2019-10-15
EP1845519B1 (fr) 2009-09-16
RU2425340C2 (ru) 2011-07-27
JP2008026914A (ja) 2008-02-07
JP4589366B2 (ja) 2010-12-01
CA2527971A1 (fr) 2005-06-30
EP1623411A1 (fr) 2006-02-08
SE527670C2 (sv) 2006-05-09
CN1816847A (zh) 2006-08-09
SE0400417L (sv) 2005-06-20
ATE371924T1 (de) 2007-09-15
AU2004298708B2 (en) 2008-01-03
CN101118747A (zh) 2008-02-06
MXPA05012230A (es) 2006-02-10
BRPI0410856A (pt) 2006-07-04
RU2305870C2 (ru) 2007-09-10
RU2005134365A (ru) 2006-05-27
ATE443317T1 (de) 2009-10-15
DE602004023240D1 (de) 2009-10-29
EP1623411B1 (fr) 2007-08-29
HK1091585A1 (en) 2007-01-19
RU2007121143A (ru) 2008-12-10
CA2527971C (fr) 2011-03-15
BRPI0419281B1 (pt) 2018-08-14

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