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

Info

Publication number: EP1845519A3
Authority: EP; European Patent Office
Prior art keywords: encoding; signal; main; decoding; mono
Prior art date: 2003-12-19
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

EP1845519B1 (fr

EP1845519A2 (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

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.)

2003-12-19

Filing date

2004-12-15

Publication date

2007-11-07

2003-12-19 Priority claimed from SE0303501A external-priority patent/SE0303501D0/xx

2004-12-15 Application filed by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB

2007-10-17 Publication of EP1845519A2 publication Critical patent/EP1845519A2/fr

2007-11-07 Publication of EP1845519A3 publication Critical patent/EP1845519A3/fr

2009-09-16 Application granted granted Critical

2009-09-16 Publication of EP1845519B1 publication Critical patent/EP1845519B1/fr

2024-12-15 Anticipated expiration legal-status Critical

Status 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
- G10L19/008—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)
Mobile Radio Communication Systems (AREA)
Compression Or Coding Systems Of Tv Signals (AREA)
Transmission Systems Not Characterized By The Medium Used For Transmission (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 Expired - Lifetime 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 Expired - Lifetime 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 Ceased 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 Ceased EP1623411B1 (fr)	2003-12-19	2004-12-15	Codage de longueur de trames variables a fidelite optimisee

Country Status (14)

Country	Link
EP (2)	EP1845519B1 (fr)
JP (2)	JP4335917B2 (fr)
CN (2)	CN101118747B (fr)
AT (2)	ATE443317T1 (fr)
AU (1)	AU2004298708B2 (fr)
BR (2)	BRPI0419281B1 (fr)
CA (2)	CA2527971C (fr)
DE (2)	DE602004023240D1 (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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JP4639966B2 (ja) *	2005-05-31	2011-02-23	ヤマハ株式会社	オーディオデータ圧縮方法およびオーディオデータ圧縮回路並びにオーディオデータ伸張回路
JP2009500657A (ja)	2005-06-30	2009-01-08	エルジーエレクトロニクスインコーポレイティド	オーディオ信号をエンコーディング及びデコーディングするための装置とその方法
WO2007004829A2 (fr)	2005-06-30	2007-01-11	Lg Electronics Inc.	Appareil pour coder et pour decoder un signal audio, et methode associee
EP1913578B1 (fr)	2005-06-30	2012-08-01	LG Electronics Inc.	Procede et appareil permettant de decoder un signal audio
US8180631B2 (en) *	2005-07-11	2012-05-15	Lg Electronics Inc.	Apparatus and method of processing an audio signal, utilizing a unique offset associated with each coded-coefficient
JP4568363B2 (ja)	2005-08-30	2010-10-27	エルジーエレクトロニクスインコーポレイティド	オーディオ信号デコーディング方法及びその装置
US7788107B2 (en)	2005-08-30	2010-08-31	Lg Electronics Inc.	Method for decoding an audio signal
ATE453908T1 (de)	2005-08-30	2010-01-15	Lg Electronics Inc	Vorrichtung und verfahren zur dekodierung eines audiosignals
JP4859925B2 (ja)	2005-08-30	2012-01-25	エルジーエレクトロニクスインコーポレイティド	オーディオ信号デコーディング方法及びその装置
KR100857118B1 (ko)	2005-10-05	2008-09-05	엘지전자 주식회사	신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치
US7751485B2 (en)	2005-10-05	2010-07-06	Lg Electronics Inc.	Signal processing using pilot based coding
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
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
EP1946063A4 (fr)	2005-10-05	2009-08-12	Lg Electronics Inc	Procede et appareil destines au traitement de signaux et un procede de codage et de decodage et appareil correspondant
US7742913B2 (en)	2005-10-24	2010-06-22	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
US7752053B2 (en)	2006-01-13	2010-07-06	Lg Electronics Inc.	Audio signal processing using pilot based coding
US8204740B2 (en)	2006-02-06	2012-06-19	Telefonaktiebolaget Lm Ericsson (Publ)	Variable frame offset coding
US7461106B2 (en)	2006-09-12	2008-12-02	Motorola, Inc.	Apparatus and method for low complexity combinatorial coding of signals
JP5455647B2 (ja) *	2007-01-10	2014-03-26	コーニンクレッカフィリップスエヌヴェ	オーディオデコーダ
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
RU2497204C2 (ru)	2008-05-23	2013-10-27	Конинклейке Филипс Электроникс Н.В.	Устройство параметрического стереофонического повышающего микширования, параметрический стереофонический декодер, устройство параметрического стереофонического понижающего микширования, параметрический стереофонический кодер
JPWO2010016270A1 (ja) *	2008-08-08	2012-01-19	パナソニック株式会社	量子化装置、符号化装置、量子化方法及び符号化方法
US8676365B2 (en) *	2008-09-17	2014-03-18	Orange	Pre-echo attenuation in a digital audio signal
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
US8140342B2 (en)	2008-12-29	2012-03-20	Motorola Mobility, Inc.	Selective scaling mask computation based on peak detection
US8175888B2 (en)	2008-12-29	2012-05-08	Motorola Mobility, Inc.	Enhanced layered gain factor balancing within a multiple-channel audio coding system
US8219408B2 (en)	2008-12-29	2012-07-10	Motorola Mobility, Inc.	Audio signal decoder and method for producing a scaled reconstructed audio signal
US8200496B2 (en)	2008-12-29	2012-06-12	Motorola Mobility, Inc.	Audio signal decoder and method for producing a scaled reconstructed audio signal
US9105264B2 (en)	2009-07-31	2015-08-11	Panasonic Intellectual Property Management Co., Ltd.	Coding apparatus and decoding apparatus
JP5295380B2 (ja) *	2009-10-20	2013-09-18	パナソニック株式会社	符号化装置、復号化装置およびこれらの方法
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
US9129600B2 (en)	2012-09-26	2015-09-08	Google Technology Holdings LLC	Method and apparatus for encoding an audio signal
PT2922053T (pt) *	2012-11-15	2019-10-15	Ntt Docomo Inc	Dispositivo de codificação de áudio, método de codificação de áudio, programa de codificação de áudio, dispositivo de descodificação de áudio, método de descodificação de áudio, e programa de descodificação de áudio
US10060955B2 (en) *	2014-06-25	2018-08-28	Advanced Micro Devices, Inc.	Calibrating power supply voltages using reference measurements from code loop executions
EP3353784B1 (fr) *	2015-09-25	2025-03-05	VoiceAge Corporation	Procédé et système de codage de canaux gauche et droit d'un signal sonore stéréo sélectionnant entre des modèles à deux et quatre sous-trames en fonction du budget de bits
US12125492B2 (en)	2015-09-25	2024-10-22	Voiceage Coproration	Method and system for decoding left and right channels of a stereo sound signal
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
CN110728986B (zh) *	2018-06-29	2022-10-18	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
WO2020250371A1 (fr) *	2019-06-13	2020-12-17	日本電信電話株式会社	Procédé de codage/émission de signal sonore, procédé de codage de signal sonore, dispositif côté émission de signal sonore, dispositif de codage, programme et support d'enregistrement
CN112233682B (zh) *	2019-06-29	2024-07-16	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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2004
- 2004-02-20 SE SE0400417A patent/SE527670C2/sv unknown
- 2004-12-15 MX MXPA05012230A patent/MXPA05012230A/es active IP Right Grant
- 2004-12-15 EP EP07109801A patent/EP1845519B1/fr not_active Expired - Lifetime
- 2004-12-15 RU RU2005134365/09A patent/RU2305870C2/ru active
- 2004-12-15 AU AU2004298708A patent/AU2004298708B2/en not_active Ceased
- 2004-12-15 AT AT07109801T patent/ATE443317T1/de not_active IP Right Cessation
- 2004-12-15 BR BRPI0419281-8A patent/BRPI0419281B1/pt not_active IP Right Cessation
- 2004-12-15 WO PCT/SE2004/001867 patent/WO2005059899A1/fr not_active Ceased
- 2004-12-15 CA CA2527971A patent/CA2527971C/fr not_active Expired - Lifetime
- 2004-12-15 EP EP04820553A patent/EP1623411B1/fr not_active Ceased
- 2004-12-15 CN CN200710138487XA patent/CN101118747B/zh not_active Expired - Fee Related
- 2004-12-15 CN CNB2004800186630A patent/CN100559465C/zh not_active Expired - Fee Related
- 2004-12-15 CA CA2690885A patent/CA2690885C/fr not_active Expired - Lifetime
- 2004-12-15 JP JP2006518596A patent/JP4335917B2/ja not_active Expired - Fee Related
- 2004-12-15 PL PL04820553T patent/PL1623411T3/pl unknown
- 2004-12-15 DE DE602004023240T patent/DE602004023240D1/de not_active Expired - Lifetime
- 2004-12-15 DE DE602004008613T patent/DE602004008613T2/de not_active Expired - Lifetime
- 2004-12-15 AT AT04820553T patent/ATE371924T1/de not_active IP Right Cessation
- 2004-12-15 BR BRPI0410856A patent/BRPI0410856B8/pt not_active IP Right Cessation
- 2004-12-15 ZA ZA200508980A patent/ZA200508980B/xx unknown
2007
- 2007-06-05 RU RU2007121143/09A patent/RU2425340C2/ru active
- 2007-08-22 JP JP2007216374A patent/JP4589366B2/ja not_active Expired - Fee Related

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Also Published As

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

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