EP1920439A4 - Verfahren zur erzeugung eines codierten audiosignals und verfahren zum verarbeiten eines audiosignals - Google Patents

Verfahren zur erzeugung eines codierten audiosignals und verfahren zum verarbeiten eines audiosignals

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
English (en)
French (fr)
Other versions
EP1920439A1 (de
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/de
Publication of EP1920439A4 publication Critical patent/EP1920439A4/de
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)
EP06769319A 2005-07-29 2006-07-28 Verfahren zur erzeugung eines codierten audiosignals und verfahren zum verarbeiten eines audiosignals Ceased EP1920439A4 (de)

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 (de) 2008-05-14
EP1920439A4 true EP1920439A4 (de) 2010-01-06

Family

ID=37683623

Family Applications (5)

Application Number Title Priority Date Filing Date
EP06769316A Ceased EP1920437A4 (de) 2005-07-29 2006-07-28 Verfahren zur signalisierung von aufteilungsinformationen
EP06769309A Ceased EP1915756A4 (de) 2005-07-29 2006-07-28 Verfahren zum erzeugen eines codierten audiosignals und verfahren zum verarbeiten eines audiosignals
EP06769317A Ceased EP1920438A4 (de) 2005-07-29 2006-07-28 Verfahren zum erzeugen eines codierten audiosignals und verfahren zum verarbeiten eines audiosignals
EP06769319A Ceased EP1920439A4 (de) 2005-07-29 2006-07-28 Verfahren zur erzeugung eines codierten audiosignals und verfahren zum verarbeiten eines audiosignals
EP06769318A Ceased EP1915757A4 (de) 2005-07-29 2006-07-28 Verfahren zum verarbeiten eines audiosignals

Family Applications Before (3)

Application Number Title Priority Date Filing Date
EP06769316A Ceased EP1920437A4 (de) 2005-07-29 2006-07-28 Verfahren zur signalisierung von aufteilungsinformationen
EP06769309A Ceased EP1915756A4 (de) 2005-07-29 2006-07-28 Verfahren zum erzeugen eines codierten audiosignals und verfahren zum verarbeiten eines audiosignals
EP06769317A Ceased EP1920438A4 (de) 2005-07-29 2006-07-28 Verfahren zum erzeugen eines codierten audiosignals und verfahren zum verarbeiten eines audiosignals

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP06769318A Ceased EP1915757A4 (de) 2005-07-29 2006-07-28 Verfahren zum verarbeiten eines audiosignals

Country Status (7)

Country Link
EP (5) EP1920437A4 (de)
KR (5) KR100857103B1 (de)
CN (5) CN101233570B (de)
AU (1) AU2006273012B2 (de)
CA (1) CA2617050C (de)
RU (1) RU2414741C2 (de)
WO (5) WO2007013775A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1500082B1 (de) 2002-04-22 2007-02-14 Koninklijke Philips Electronics N.V. Signalsynthese
ATE527833T1 (de) 2006-05-04 2011-10-15 Lg Electronics Inc Verbesserung von stereo-audiosignalen mittels neuabmischung
EP2084901B1 (de) 2006-10-12 2015-12-09 LG Electronics Inc. Vorrichtung zum verarbeiten eines mischsignals und verfahren dafür
KR101100221B1 (ko) 2006-11-15 2011-12-28 엘지전자 주식회사 오디오 신호의 디코딩 방법 및 그 장치
CA2670864C (en) 2006-12-07 2015-09-29 Lg Electronics Inc. A method and an apparatus for processing an audio signal
US8265941B2 (en) 2006-12-07 2012-09-11 Lg Electronics Inc. Method and an apparatus for decoding an audio signal
KR20080082917A (ko) 2007-03-09 2008-09-12 엘지전자 주식회사 오디오 신호 처리 방법 및 이의 장치
EP2158587A4 (de) 2007-06-08 2010-06-02 Lg Electronics Inc Verfahren und vorrichtung zum verarbeiten eines audiosignals
KR101569032B1 (ko) 2007-09-06 2015-11-13 엘지전자 주식회사 오디오 신호의 디코딩 방법 및 장치
WO2009072685A1 (en) * 2007-12-06 2009-06-11 Lg Electronics Inc. A method and an apparatus for processing an audio signal
CN102484547A (zh) 2009-09-01 2012-05-30 松下电器产业株式会社 数字广播发送装置、数字广播接收装置以及数字广播收发系统
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 (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
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
TWI890652B (zh) * 2015-03-13 2025-07-11 瑞典商杜比國際公司 音訊處理單元、用於將經編碼的音訊位元流解碼之方法以及非暫態電腦可讀媒體
US12125492B2 (en) 2015-09-25 2024-10-22 Voiceage Coproration Method and system for decoding left and right channels of a stereo sound signal
WO2017049396A1 (en) 2015-09-25 2017-03-30 Voiceage Corporation Method and system for time domain down mixing a stereo sound signal into primary and secondary channels using detecting an out-of-phase condition of the left and right channels

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CA2077662C (en) * 1991-01-08 2001-04-17 Mark Franklin Davis Encoder/decoder for multidimensional sound fields
DK0531538T3 (da) * 1991-03-29 1998-10-19 Sony Corp Fremgangsmåde til indkodning af digitale signaler
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
EP1500083B1 (de) * 2002-04-22 2006-06-28 Koninklijke Philips Electronics N.V. Parametrische beschreibung von mehrkanal-audio
EP1500082B1 (de) * 2002-04-22 2007-02-14 Koninklijke Philips Electronics N.V. Signalsynthese
EP1881486B1 (de) * 2002-04-22 2009-03-18 Koninklijke Philips Electronics N.V. Dekodiervorrichtung mit Dekorreliereinheit
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
WO2007013780A1 (en) 2007-02-01
EP1920439A1 (de) 2008-05-14
EP1920437A1 (de) 2008-05-14
WO2007013783A1 (en) 2007-02-01
EP1915757A4 (de) 2010-01-06
CN101233567B (zh) 2011-06-15
CN101233569B (zh) 2010-09-01
KR20080030686A (ko) 2008-04-04
WO2007013775A1 (en) 2007-02-01
CN101233571A (zh) 2008-07-30
CN101233570B (zh) 2011-06-22
CN101233570A (zh) 2008-07-30
WO2007013784A1 (en) 2007-02-01
KR20080036119A (ko) 2008-04-24
KR20080035656A (ko) 2008-04-23
EP1915757A1 (de) 2008-04-30
CN101233571B (zh) 2012-12-05
EP1915756A4 (de) 2010-01-06
AU2006273012A1 (en) 2007-02-01
CN101233568B (zh) 2010-10-27
CA2617050C (en) 2012-10-09
EP1920438A4 (de) 2010-01-06
CN101233567A (zh) 2008-07-30
AU2006273012B2 (en) 2010-06-24
KR100857104B1 (ko) 2008-09-05
KR100857102B1 (ko) 2008-09-08
KR20080034002A (ko) 2008-04-17
EP1920438A1 (de) 2008-05-14
EP1915756A1 (de) 2008-04-30
RU2414741C2 (ru) 2011-03-20
KR100841332B1 (ko) 2008-06-25
RU2008107773A (ru) 2009-09-10
CN101233569A (zh) 2008-07-30
CA2617050A1 (en) 2007-02-01
WO2007013781A1 (en) 2007-02-01
KR100857103B1 (ko) 2008-09-08
EP1920437A4 (de) 2010-01-06
KR20080033452A (ko) 2008-04-16
KR100888970B1 (ko) 2009-03-17
CN101233568A (zh) 2008-07-30

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