EP1922722A4 - Procede de decodage de signal audio - Google Patents

Procede de decodage de signal audio

Info

Publication number
EP1922722A4
EP1922722A4 EP06798589A EP06798589A EP1922722A4 EP 1922722 A4 EP1922722 A4 EP 1922722A4 EP 06798589 A EP06798589 A EP 06798589A EP 06798589 A EP06798589 A EP 06798589A EP 1922722 A4 EP1922722 A4 EP 1922722A4
Authority
EP
European Patent Office
Prior art keywords
decoding
audio signal
audio
signal
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.)
Withdrawn
Application number
EP06798589A
Other languages
German (de)
English (en)
Other versions
EP1922722A1 (fr
Inventor
Hee Suk Pang
Hyeon O Oh
Dong Soo Kim
Jae Hyun Lim
Yang Won Jung
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.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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
Priority claimed from KR1020060056480A external-priority patent/KR20070003574A/ko
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP1922722A1 publication Critical patent/EP1922722A1/fr
Publication of EP1922722A4 publication Critical patent/EP1922722A4/fr
Withdrawn legal-status Critical Current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
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
EP06798589A 2005-08-30 2006-08-30 Procede de decodage de signal audio Withdrawn EP1922722A4 (fr)

Applications Claiming Priority (14)

Application Number Priority Date Filing Date Title
US71211905P 2005-08-30 2005-08-30
US71920205P 2005-09-22 2005-09-22
US72300705P 2005-10-04 2005-10-04
US72622805P 2005-10-14 2005-10-14
US72922505P 2005-10-24 2005-10-24
US73562805P 2005-11-12 2005-11-12
US74860705P 2005-12-09 2005-12-09
KR20060004056 2006-01-13
KR20060004055 2006-01-13
KR20060004065 2006-01-13
US76253606P 2006-01-27 2006-01-27
US80382506P 2006-06-02 2006-06-02
KR1020060056480A KR20070003574A (ko) 2005-06-30 2006-06-22 오디오 신호 인코딩 및 디코딩 방법 및 장치
PCT/KR2006/003436 WO2007027057A1 (fr) 2005-08-30 2006-08-30 Procede de decodage de signal audio

Publications (2)

Publication Number Publication Date
EP1922722A1 EP1922722A1 (fr) 2008-05-21
EP1922722A4 true EP1922722A4 (fr) 2011-03-30

Family

ID=37809094

Family Applications (3)

Application Number Title Priority Date Filing Date
EP06798588A Withdrawn EP1932147A4 (fr) 2005-08-30 2006-08-30 Procede de decodage de signal audio
EP06798589A Withdrawn EP1922722A4 (fr) 2005-08-30 2006-08-30 Procede de decodage de signal audio
EP06798587A Withdrawn EP1922721A4 (fr) 2005-08-30 2006-08-30 Procede de decodage de signal audio

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP06798588A Withdrawn EP1932147A4 (fr) 2005-08-30 2006-08-30 Procede de decodage de signal audio

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP06798587A Withdrawn EP1922721A4 (fr) 2005-08-30 2006-08-30 Procede de decodage de signal audio

Country Status (5)

Country Link
EP (3) EP1932147A4 (fr)
KR (1) KR100830472B1 (fr)
AU (1) AU2006285544B2 (fr)
CA (1) CA2620030C (fr)
WO (3) WO2007027057A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8615088B2 (en) 2008-01-23 2013-12-24 Lg Electronics Inc. Method and an apparatus for processing an audio signal using preset matrix for controlling gain or panning
WO2009093867A2 (fr) 2008-01-23 2009-07-30 Lg Electronics Inc. Procédé et appareil de traitement d'un signal audio
KR100998913B1 (ko) * 2008-01-23 2010-12-08 엘지전자 주식회사 오디오 신호의 처리 방법 및 이의 장치
WO2014058275A1 (fr) * 2012-10-11 2014-04-17 한국전자통신연구원 Dispositif et méthode de production de données audios, et dispositif et méthode de lecture de données audios
KR20140046980A (ko) 2012-10-11 2014-04-21 한국전자통신연구원 오디오 데이터 생성 장치 및 방법, 오디오 데이터 재생 장치 및 방법
CN112951250B (zh) * 2014-09-12 2025-02-07 索尼公司 发送装置、发送方法、接收装置以及接收方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9000338A (nl) * 1989-06-02 1991-01-02 Koninkl Philips Electronics Nv Digitaal transmissiesysteem, zender en ontvanger te gebruiken in het transmissiesysteem en registratiedrager verkregen met de zender in de vorm van een optekeninrichting.
JP3088319B2 (ja) * 1996-02-07 2000-09-18 松下電器産業株式会社 デコード装置およびデコード方法
EP0827312A3 (fr) * 1996-08-22 2003-10-01 Marconi Communications GmbH Procédé de changement de configuration de paquets de données
US6339760B1 (en) * 1998-04-28 2002-01-15 Hitachi, Ltd. Method and system for synchronization of decoded audio and video by adding dummy data to compressed audio data
JPH11330980A (ja) * 1998-05-13 1999-11-30 Matsushita Electric Ind Co Ltd 復号装置及びその復号方法、並びにその復号の手順を記録した記録媒体
JP3346556B2 (ja) * 1998-11-16 2002-11-18 日本ビクター株式会社 音声符号化方法及び音声復号方法
US6631352B1 (en) * 1999-01-08 2003-10-07 Matushita Electric Industrial Co. Ltd. Decoding circuit and reproduction apparatus which mutes audio after header parameter changes
EP1370114A3 (fr) 1999-04-07 2004-03-17 Dolby Laboratories Licensing Corporation Perfectionnements matriciels de codage et de décodage sans perte
EP1500084B1 (fr) 2002-04-22 2008-01-23 Koninklijke Philips Electronics N.V. Representation parametrique d'un signal audio spatial
WO2004008806A1 (fr) * 2002-07-16 2004-01-22 Koninklijke Philips Electronics N.V. Codage audio
JP4084990B2 (ja) * 2002-11-19 2008-04-30 株式会社ケンウッド エンコード装置、デコード装置、エンコード方法およびデコード方法
US20040199276A1 (en) * 2003-04-03 2004-10-07 Wai-Leong Poon Method and apparatus for audio synchronization
JP2005352396A (ja) 2004-06-14 2005-12-22 Matsushita Electric Ind Co Ltd 音響信号符号化装置および音響信号復号装置
KR100663729B1 (ko) * 2004-07-09 2007-01-02 한국전자통신연구원 가상 음원 위치 정보를 이용한 멀티채널 오디오 신호부호화 및 복호화 방법 및 장치
US8204261B2 (en) * 2004-10-20 2012-06-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Diffuse sound shaping for BCC schemes and the like
KR100682904B1 (ko) * 2004-12-01 2007-02-15 삼성전자주식회사 공간 정보를 이용한 다채널 오디오 신호 처리 장치 및 방법

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
"WD 2 for MPEG Surround", ITU STUDY GROUP 16 - VIDEO CODING EXPERTS GROUP -ISO/IEC MPEG & ITU-T VCEG(ISO/IEC JTC1/SC29/WG11 AND ITU-T SG16 Q6), XX, XX, no. N7387, 29 July 2005 (2005-07-29), XP030013965 *
KRISTOFER KJÖRLING: "Proposal for extended signalling in Spatial Audio", ITU STUDY GROUP 16 - VIDEO CODING EXPERTS GROUP -ISO/IEC MPEG & ITU-T VCEG(ISO/IEC JTC1/SC29/WG11 AND ITU-T SG16 Q6), XX, XX, no. M12361, 20 July 2005 (2005-07-20), XP030041045 *
See also references of WO2007027057A1 *

Also Published As

Publication number Publication date
AU2006285544B2 (en) 2012-01-12
KR100830472B1 (ko) 2008-05-20
EP1932147A4 (fr) 2011-03-30
KR20070061280A (ko) 2007-06-13
EP1932147A1 (fr) 2008-06-18
AU2006285544A1 (en) 2007-03-08
CA2620030A1 (fr) 2007-03-08
WO2007027056A1 (fr) 2007-03-08
CA2620030C (fr) 2011-08-23
EP1922722A1 (fr) 2008-05-21
EP1922721A4 (fr) 2011-04-13
WO2007027055A1 (fr) 2007-03-08
EP1922721A1 (fr) 2008-05-21
WO2007027057A1 (fr) 2007-03-08

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Owner name: LG ELECTRONICS INC.

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