EP1920438A4 - Procede de generation d'un signal sonore code et procede de traitement du signal sonore - Google Patents

Procede de generation d'un signal sonore code et procede de traitement du signal sonore

Info

Publication number
EP1920438A4
EP1920438A4 EP06769317A EP06769317A EP1920438A4 EP 1920438 A4 EP1920438 A4 EP 1920438A4 EP 06769317 A EP06769317 A EP 06769317A EP 06769317 A EP06769317 A EP 06769317A EP 1920438 A4 EP1920438 A4 EP 1920438A4
Authority
EP
European Patent Office
Prior art keywords
audio signal
generating encoded
processing
encoded audio
processing audio
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.)
Ceased
Application number
EP06769317A
Other languages
German (de)
English (en)
Other versions
EP1920438A1 (fr
Inventor
Hyeon O Oh
Hee Suk Pang
Dong Soo Kim
Jae Hyun Lim
Yang Won Jung
Hyo Jin Kim
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 KR1020060004048A external-priority patent/KR20070031212A/ko
Priority claimed from KR1020060017659A external-priority patent/KR20070014936A/ko
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP1920438A1 publication Critical patent/EP1920438A1/fr
Publication of EP1920438A4 publication Critical patent/EP1920438A4/fr
Ceased 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
    • G10L19/02—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Stereophonic System (AREA)
EP06769317A 2005-07-29 2006-07-28 Procede de generation d'un signal sonore code et procede de traitement du signal sonore Ceased EP1920438A4 (fr)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US70346305P 2005-07-29 2005-07-29
US71652605P 2005-09-14 2005-09-14
KR1020060004048A KR20070031212A (ko) 2005-09-14 2006-01-13 오디오 신호의 인코딩/디코딩 방법 및 장치
KR1020060017659A KR20070014936A (ko) 2005-07-29 2006-02-23 오디오 신호의 인코딩/디코딩 방법 및 장치
KR1020060017660A KR20070014937A (ko) 2005-07-29 2006-02-23 오디오 신호의 인코딩/디코딩 방법 및 장치
US81602206P 2006-06-22 2006-06-22
PCT/KR2006/002982 WO2007013781A1 (fr) 2005-07-29 2006-07-28 Procede de generation d'un signal sonore code et procede de traitement du signal sonore

Publications (2)

Publication Number Publication Date
EP1920438A1 EP1920438A1 (fr) 2008-05-14
EP1920438A4 true EP1920438A4 (fr) 2010-01-06

Family

ID=37683623

Family Applications (5)

Application Number Title Priority Date Filing Date
EP06769319A Ceased EP1920439A4 (fr) 2005-07-29 2006-07-28 Creation d'un signal audio code et traitement d'un signal audio
EP06769316A Ceased EP1920437A4 (fr) 2005-07-29 2006-07-28 Procede de signalisation d'informations coupees
EP06769318A Ceased EP1915757A4 (fr) 2005-07-29 2006-07-28 Procede destine au traitement d'un signal audio
EP06769309A Ceased EP1915756A4 (fr) 2005-07-29 2006-07-28 Procede pour la generation de signal audio code et procede pour le traitement de signal audio
EP06769317A Ceased EP1920438A4 (fr) 2005-07-29 2006-07-28 Procede de generation d'un signal sonore code et procede de traitement du signal sonore

Family Applications Before (4)

Application Number Title Priority Date Filing Date
EP06769319A Ceased EP1920439A4 (fr) 2005-07-29 2006-07-28 Creation d'un signal audio code et traitement d'un signal audio
EP06769316A Ceased EP1920437A4 (fr) 2005-07-29 2006-07-28 Procede de signalisation d'informations coupees
EP06769318A Ceased EP1915757A4 (fr) 2005-07-29 2006-07-28 Procede destine au traitement d'un signal audio
EP06769309A Ceased EP1915756A4 (fr) 2005-07-29 2006-07-28 Procede pour la generation de signal audio code et procede pour le traitement de signal audio

Country Status (7)

Country Link
EP (5) EP1920439A4 (fr)
KR (5) KR100888970B1 (fr)
CN (5) CN101233568B (fr)
AU (1) AU2006273012B2 (fr)
CA (1) CA2617050C (fr)
RU (1) RU2414741C2 (fr)
WO (5) WO2007013784A1 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2280736T3 (es) 2002-04-22 2007-09-16 Koninklijke Philips Electronics N.V. Sintetizacion de señal.
EP1853092B1 (fr) 2006-05-04 2011-10-05 LG Electronics, Inc. Amélioration de signaux audio stéréo par capacité de remixage
EP2084901B1 (fr) 2006-10-12 2015-12-09 LG Electronics Inc. Appareil de traitement d'un signal de mélange et procédé associé
WO2008060111A1 (fr) 2006-11-15 2008-05-22 Lg Electronics Inc. Procédé et appareil de décodage de signal audio
JP5450085B2 (ja) 2006-12-07 2014-03-26 エルジー エレクトロニクス インコーポレイティド オーディオ処理方法及び装置
KR101062353B1 (ko) 2006-12-07 2011-09-05 엘지전자 주식회사 오디오 신호의 디코딩 방법 및 그 장치
KR20080082916A (ko) 2007-03-09 2008-09-12 엘지전자 주식회사 오디오 신호 처리 방법 및 이의 장치
EP2278582B1 (fr) * 2007-06-08 2016-08-10 LG Electronics Inc. Procédé et appareil de traitement de signal audio
JP2010538571A (ja) * 2007-09-06 2010-12-09 エルジー エレクトロニクス インコーポレイティド オーディオ信号のデコーディング方法及び装置
JP2011507013A (ja) 2007-12-06 2011-03-03 エルジー エレクトロニクス インコーポレイティド オーディオ信号処理方法及び装置
WO2011027494A1 (fr) 2009-09-01 2011-03-10 パナソニック株式会社 Dispositif d'émission de radiodiffusion numérique, dispositif de réception de radiodiffusion numérique, système de réception de radiodiffusion numérique
TWI444989B (zh) 2010-01-22 2014-07-11 Dolby Lab Licensing Corp 針對改良多通道上混使用多通道解相關之技術
WO2014175617A1 (fr) 2013-04-23 2014-10-30 ㈜ 소닉티어 Procédé et appareil pour coder/décoder de l'audio numérique échelonnable en utilisant des données de canal audio direct et des données de canal audio indirect
KR101421201B1 (ko) * 2013-04-23 2014-07-22 한국산업은행 비압축 오디오 채널 데이터 및 압축 오디오 채널 데이터를 이용한 스케일러블 디지털 오디오 인코딩/디코딩 방법 및 장치
TWI693594B (zh) * 2015-03-13 2020-05-11 瑞典商杜比國際公司 解碼具有增強頻譜帶複製元資料在至少一填充元素中的音訊位元流
ES2904275T3 (es) 2015-09-25 2022-04-04 Voiceage Corp Método y sistema de decodificación de los canales izquierdo y derecho de una señal sonora estéreo

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG49883A1 (en) * 1991-01-08 1998-06-15 Dolby Lab Licensing Corp Encoder/decoder for multidimensional sound fields
DE4209544A1 (de) * 1992-03-24 1993-09-30 Inst Rundfunktechnik Gmbh Verfahren zum Übertragen oder Speichern digitalisierter, mehrkanaliger Tonsignale
KR100265112B1 (ko) * 1997-03-31 2000-10-02 윤종용 디브이디 디스크와 디브이디 디스크를 재생하는 장치 및 방법
CN1214690C (zh) * 1997-09-05 2005-08-10 雷克西康公司 5－2－5矩阵编码器和解码器系统
US20030035553A1 (en) * 2001-08-10 2003-02-20 Frank Baumgarte Backwards-compatible perceptual coding of spatial cues
ES2268340T3 (es) * 2002-04-22 2007-03-16 Koninklijke Philips Electronics N.V. Representacion de audio parametrico de multiples canales.
DE60326782D1 (de) * 2002-04-22 2009-04-30 Koninkl Philips Electronics Nv Dekodiervorrichtung mit Dekorreliereinheit
ES2280736T3 (es) * 2002-04-22 2007-09-16 Koninklijke Philips Electronics N.V. Sintetizacion de señal.
SE0402650D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Improved parametric stereo compatible coding of spatial audio
US7787631B2 (en) * 2004-11-30 2010-08-31 Agere Systems Inc. Parametric coding of spatial audio with cues based on transmitted channels
KR100682904B1 (ko) * 2004-12-01 2007-02-15 삼성전자주식회사 공간 정보를 이용한 다채널 오디오 신호 처리 장치 및 방법
US7903824B2 (en) * 2005-01-10 2011-03-08 Agere Systems Inc. Compact side information for parametric coding of spatial audio

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *
See also references of WO2007013781A1 *

Also Published As

Publication number Publication date
CN101233570B (zh) 2011-06-22
CN101233570A (zh) 2008-07-30
EP1920439A4 (fr) 2010-01-06
KR100857103B1 (ko) 2008-09-08
WO2007013781A1 (fr) 2007-02-01
EP1915756A1 (fr) 2008-04-30
CN101233568A (zh) 2008-07-30
CN101233569A (zh) 2008-07-30
CN101233571A (zh) 2008-07-30
RU2414741C2 (ru) 2011-03-20
AU2006273012A1 (en) 2007-02-01
CA2617050C (fr) 2012-10-09
CA2617050A1 (fr) 2007-02-01
EP1920437A4 (fr) 2010-01-06
WO2007013784A1 (fr) 2007-02-01
CN101233568B (zh) 2010-10-27
WO2007013780A1 (fr) 2007-02-01
WO2007013783A1 (fr) 2007-02-01
KR20080033452A (ko) 2008-04-16
KR100857104B1 (ko) 2008-09-05
KR20080036119A (ko) 2008-04-24
CN101233567A (zh) 2008-07-30
AU2006273012B2 (en) 2010-06-24
KR100841332B1 (ko) 2008-06-25
KR20080030686A (ko) 2008-04-04
KR20080035656A (ko) 2008-04-23
EP1915757A4 (fr) 2010-01-06
KR100857102B1 (ko) 2008-09-08
KR20080034002A (ko) 2008-04-17
CN101233571B (zh) 2012-12-05
EP1920439A1 (fr) 2008-05-14
RU2008107773A (ru) 2009-09-10
EP1915757A1 (fr) 2008-04-30
CN101233569B (zh) 2010-09-01
EP1920437A1 (fr) 2008-05-14
EP1915756A4 (fr) 2010-01-06
CN101233567B (zh) 2011-06-15
WO2007013775A1 (fr) 2007-02-01
KR100888970B1 (ko) 2009-03-17
EP1920438A1 (fr) 2008-05-14

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