EP1920439A4 - METHOD FOR GENERATING A CODED AUDIO SIGNAL AND METHOD FOR PROCESSING AN AUDIO SIGNAL - Google Patents

METHOD FOR GENERATING A CODED AUDIO SIGNAL AND METHOD FOR PROCESSING AN AUDIO SIGNAL

Info

Publication number
EP1920439A4
EP1920439A4 EP06769319A EP06769319A EP1920439A4 EP 1920439 A4 EP1920439 A4 EP 1920439A4 EP 06769319 A EP06769319 A EP 06769319A EP 06769319 A EP06769319 A EP 06769319A EP 1920439 A4 EP1920439 A4 EP 1920439A4
Authority
EP
European Patent Office
Prior art keywords
audio signal
generating encoded
amd
encoded audio
processing
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
EP06769319A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1920439A1 (en
Inventor
Hyeon O Oh
Hee Suk Pang
Dong Soo Kim
Jae Hyun Lim
Hyo Jin Kim
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 KR1020060004048A external-priority patent/KR20070031212A/ko
Priority claimed from KR1020060017660A external-priority patent/KR20070014937A/ko
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP1920439A1 publication Critical patent/EP1920439A1/en
Publication of EP1920439A4 publication Critical patent/EP1920439A4/en
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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Stereophonic System (AREA)
EP06769319A 2005-07-29 2006-07-28 METHOD FOR GENERATING A CODED AUDIO SIGNAL AND METHOD FOR PROCESSING AN AUDIO SIGNAL Ceased EP1920439A4 (en)

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
KR1020060017660A KR20070014937A (ko) 2005-07-29 2006-02-23 오디오 신호의 인코딩/디코딩 방법 및 장치
KR1020060017659A KR20070014936A (ko) 2005-07-29 2006-02-23 오디오 신호의 인코딩/디코딩 방법 및 장치
US81602206P 2006-06-22 2006-06-22
PCT/KR2006/002985 WO2007013784A1 (en) 2005-07-29 2006-07-28 Method for generating encoded audio signal amd method for processing audio signal

Publications (2)

Publication Number Publication Date
EP1920439A1 EP1920439A1 (en) 2008-05-14
EP1920439A4 true EP1920439A4 (en) 2010-01-06

Family

ID=37683623

Family Applications (5)

Application Number Title Priority Date Filing Date
EP06769309A Ceased EP1915756A4 (en) 2005-07-29 2006-07-28 METHOD FOR PRODUCING A CODED AUDIO SIGNAL AND METHOD FOR PROCESSING AN AUDIO SIGNAL
EP06769316A Ceased EP1920437A4 (en) 2005-07-29 2006-07-28 METHOD FOR SIGNALING CUTTING INFORMATION
EP06769318A Ceased EP1915757A4 (en) 2005-07-29 2006-07-28 METHOD FOR PROCESSING AN AUDIO SIGNAL
EP06769317A Ceased EP1920438A4 (en) 2005-07-29 2006-07-28 METHOD FOR PRODUCING A CODED AUDIO SIGNAL AND METHOD FOR PROCESSING AN AUDIO SIGNAL
EP06769319A Ceased EP1920439A4 (en) 2005-07-29 2006-07-28 METHOD FOR GENERATING A CODED AUDIO SIGNAL AND METHOD FOR PROCESSING AN AUDIO SIGNAL

Family Applications Before (4)

Application Number Title Priority Date Filing Date
EP06769309A Ceased EP1915756A4 (en) 2005-07-29 2006-07-28 METHOD FOR PRODUCING A CODED AUDIO SIGNAL AND METHOD FOR PROCESSING AN AUDIO SIGNAL
EP06769316A Ceased EP1920437A4 (en) 2005-07-29 2006-07-28 METHOD FOR SIGNALING CUTTING INFORMATION
EP06769318A Ceased EP1915757A4 (en) 2005-07-29 2006-07-28 METHOD FOR PROCESSING AN AUDIO SIGNAL
EP06769317A Ceased EP1920438A4 (en) 2005-07-29 2006-07-28 METHOD FOR PRODUCING A CODED AUDIO SIGNAL AND METHOD FOR PROCESSING AN AUDIO SIGNAL

Country Status (7)

Country Link
EP (5) EP1915756A4 (zh)
KR (5) KR100888970B1 (zh)
CN (5) CN101233571B (zh)
AU (1) AU2006273012B2 (zh)
CA (1) CA2617050C (zh)
RU (1) RU2414741C2 (zh)
WO (5) WO2007013780A1 (zh)

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 (en) 2006-05-04 2011-10-05 LG Electronics, Inc. Enhancing stereo audio with remix capability
US9418667B2 (en) 2006-10-12 2016-08-16 Lg Electronics Inc. Apparatus for processing a mix signal and method thereof
JP4838361B2 (ja) 2006-11-15 2011-12-14 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その装置
WO2008069584A2 (en) 2006-12-07 2008-06-12 Lg Electronics Inc. A method and an apparatus for decoding an audio signal
KR101111520B1 (ko) 2006-12-07 2012-05-24 엘지전자 주식회사 오디오 처리 방법 및 장치
KR20080082916A (ko) 2007-03-09 2008-09-12 엘지전자 주식회사 오디오 신호 처리 방법 및 이의 장치
EP2158587A4 (en) * 2007-06-08 2010-06-02 Lg Electronics Inc METHOD AND DEVICE FOR PROCESSING AUDIO SIGNAL
EP2191462A4 (en) 2007-09-06 2010-08-18 Lg Electronics Inc METHOD AND DEVICE FOR DECODING A SOUND SIGNAL
CN101809653A (zh) * 2007-12-06 2010-08-18 Lg电子株式会社 用于处理音频信号的方法和装置
JP4917189B2 (ja) 2009-09-01 2012-04-18 パナソニック株式会社 デジタル放送送信装置、デジタル放送受信装置およびデジタル放送送受信システム
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
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
WO2014175617A1 (ko) 2013-04-23 2014-10-30 ㈜ 소닉티어 직접 오디오 채널 데이터 및 간접 오디오 채널 데이터를 이용한 스케일러블 디지털 오디오 인코딩/디코딩 방법 및 장치
TW202242853A (zh) * 2015-03-13 2022-11-01 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
JP6804528B2 (ja) 2015-09-25 2020-12-23 ヴォイスエイジ・コーポレーション ステレオ音声信号をプライマリチャンネルおよびセカンダリチャンネルに時間領域ダウンミックスするために左チャンネルと右チャンネルとの間の長期相関差を使用する方法およびシステム

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU653582B2 (en) * 1991-01-08 1994-10-06 Dolby Laboratories Licensing Corporation 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
JP2004507904A (ja) * 1997-09-05 2004-03-11 レキシコン ５−２−５マトリックス・エンコーダおよびデコーダ・システム
US20030035553A1 (en) * 2001-08-10 2003-02-20 Frank Baumgarte Backwards-compatible perceptual coding of spatial cues
US8340302B2 (en) * 2002-04-22 2012-12-25 Koninklijke Philips Electronics N.V. Parametric representation of spatial audio
EP1500083B1 (en) * 2002-04-22 2006-06-28 Koninklijke Philips Electronics N.V. Parametric multi-channel audio representation
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 WO2007013784A1 *

Also Published As

Publication number Publication date
KR100841332B1 (ko) 2008-06-25
WO2007013783A1 (en) 2007-02-01
EP1920439A1 (en) 2008-05-14
CA2617050C (en) 2012-10-09
EP1920437A1 (en) 2008-05-14
CN101233569A (zh) 2008-07-30
EP1915757A4 (en) 2010-01-06
CN101233568A (zh) 2008-07-30
CN101233571A (zh) 2008-07-30
EP1920438A4 (en) 2010-01-06
CN101233570A (zh) 2008-07-30
AU2006273012B2 (en) 2010-06-24
EP1920438A1 (en) 2008-05-14
CN101233570B (zh) 2011-06-22
CN101233568B (zh) 2010-10-27
EP1920437A4 (en) 2010-01-06
CN101233567B (zh) 2011-06-15
CN101233569B (zh) 2010-09-01
KR20080035656A (ko) 2008-04-23
EP1915757A1 (en) 2008-04-30
KR100888970B1 (ko) 2009-03-17
EP1915756A1 (en) 2008-04-30
KR20080033452A (ko) 2008-04-16
CN101233571B (zh) 2012-12-05
CA2617050A1 (en) 2007-02-01
KR20080030686A (ko) 2008-04-04
EP1915756A4 (en) 2010-01-06
AU2006273012A1 (en) 2007-02-01
KR100857104B1 (ko) 2008-09-05
WO2007013775A1 (en) 2007-02-01
KR100857102B1 (ko) 2008-09-08
KR20080034002A (ko) 2008-04-17
CN101233567A (zh) 2008-07-30
KR100857103B1 (ko) 2008-09-08
RU2008107773A (ru) 2009-09-10
WO2007013780A1 (en) 2007-02-01
WO2007013781A1 (en) 2007-02-01
RU2414741C2 (ru) 2011-03-20
KR20080036119A (ko) 2008-04-24
WO2007013784A1 (en) 2007-02-01

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