EP1920438A4 - Method for generating encoded audio signal and method for processing audio signal - Google Patents

Method for generating encoded audio signal and method for processing audio signal

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)
French (fr)
Other versions
EP1920438A1 (en
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/en
Priority claimed from KR1020060017659A external-priority patent/KR20070014936A/en
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP1920438A1 publication Critical patent/EP1920438A1/en
Publication of EP1920438A4 publication Critical patent/EP1920438A4/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)
  • 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 Method for generating encoded audio signal and method for processing audio signal Ceased EP1920438A4 (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 (en) 2005-09-14 2006-01-13 Method and Apparatus for encoding/decoding audio signal
KR1020060017659A KR20070014936A (en) 2005-07-29 2006-02-23 Method and apparatus for encoding/decoding audio signal
KR1020060017660A KR20070014937A (en) 2005-07-29 2006-02-23 Method and apparatus for encoding/decoding audio signal
US81602206P 2006-06-22 2006-06-22
PCT/KR2006/002982 WO2007013781A1 (en) 2005-07-29 2006-07-28 Method for generating encoded audio signal and method for processing audio signal

Publications (2)

Publication Number Publication Date
EP1920438A1 EP1920438A1 (en) 2008-05-14
EP1920438A4 true EP1920438A4 (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 Mehtod for generating encoded audio signal and method for processing audio signal
EP06769316A Ceased EP1920437A4 (en) 2005-07-29 2006-07-28 Method for signaling of splitting information
EP06769318A Ceased EP1915757A4 (en) 2005-07-29 2006-07-28 Method for processing audio signal
EP06769319A Ceased EP1920439A4 (en) 2005-07-29 2006-07-28 Method for generating encoded audio signal amd method for processing audio signal
EP06769317A Ceased EP1920438A4 (en) 2005-07-29 2006-07-28 Method for generating encoded audio signal and method for processing audio signal

Family Applications Before (4)

Application Number Title Priority Date Filing Date
EP06769309A Ceased EP1915756A4 (en) 2005-07-29 2006-07-28 Mehtod for generating encoded audio signal and method for processing audio signal
EP06769316A Ceased EP1920437A4 (en) 2005-07-29 2006-07-28 Method for signaling of splitting information
EP06769318A Ceased EP1915757A4 (en) 2005-07-29 2006-07-28 Method for processing audio signal
EP06769319A Ceased EP1920439A4 (en) 2005-07-29 2006-07-28 Method for generating encoded audio signal amd method for processing audio signal

Country Status (7)

Country Link
EP (5) EP1915756A4 (en)
KR (5) KR100857103B1 (en)
CN (5) CN101233570B (en)
AU (1) AU2006273012B2 (en)
CA (1) CA2617050C (en)
RU (1) RU2414741C2 (en)
WO (5) WO2007013780A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1312660C (en) 2002-04-22 2007-04-25 皇家飞利浦电子股份有限公司 Signal synthesizing
ATE527833T1 (en) 2006-05-04 2011-10-15 Lg Electronics Inc IMPROVE STEREO AUDIO SIGNALS WITH REMIXING
WO2008044901A1 (en) 2006-10-12 2008-04-17 Lg Electronics Inc., Apparatus for processing a mix signal and method thereof
KR101100221B1 (en) 2006-11-15 2011-12-28 엘지전자 주식회사 A method and an apparatus for decoding an audio signal
WO2008069584A2 (en) 2006-12-07 2008-06-12 Lg Electronics Inc. A method and an apparatus for decoding an audio signal
KR101100222B1 (en) 2006-12-07 2011-12-28 엘지전자 주식회사 A method an apparatus for processing an audio signal
KR20080082916A (en) 2007-03-09 2008-09-12 엘지전자 주식회사 A method and an apparatus for processing an audio signal
CN103299363B (en) * 2007-06-08 2015-07-08 Lg电子株式会社 A method and an apparatus for processing an audio signal
CN101828219B (en) 2007-09-06 2012-05-09 Lg电子株式会社 A method and an apparatus of decoding an audio signal
WO2009072685A1 (en) * 2007-12-06 2009-06-11 Lg Electronics Inc. A method and an apparatus for processing an audio signal
EP2475116A4 (en) 2009-09-01 2013-11-06 Panasonic Corp Digital broadcasting transmission device, digital broadcasting reception device, digital broadcasting reception system
TWI444989B (en) 2010-01-22 2014-07-11 Dolby Lab Licensing Corp Using multichannel decorrelation for improved multichannel upmixing
US9679572B2 (en) 2013-04-23 2017-06-13 The Korea Development Bank Method and apparatus for encoding/decoding scalable digital audio using direct audio channel data and indirect audio channel data
KR101421201B1 (en) * 2013-04-23 2014-07-22 한국산업은행 Method and apparatus for encoding/decoding scalable digital audio using uncompressed audio channel data and compressed audio channel data
TWI771266B (en) 2015-03-13 2022-07-11 瑞典商杜比國際公司 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element
RU2728535C2 (en) * 2015-09-25 2020-07-30 Войсэйдж Корпорейшн Method and system using difference of long-term correlations between left and right channels for downmixing in time area of stereophonic audio signal to primary and secondary channels

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ES2087522T3 (en) * 1991-01-08 1996-07-16 Dolby Lab Licensing Corp DECODING / CODING FOR MULTIDIMENSIONAL SOUND FIELDS.
DE4209544A1 (en) * 1992-03-24 1993-09-30 Inst Rundfunktechnik Gmbh Method for transmitting or storing digitized, multi-channel audio signals
KR100265112B1 (en) * 1997-03-31 2000-10-02 윤종용 Dvd dics and method and apparatus for dvd disc
JP2004507904A (en) * 1997-09-05 2004-03-11 レキシコン 5-2-5 matrix encoder and decoder system
US20030035553A1 (en) * 2001-08-10 2003-02-20 Frank Baumgarte Backwards-compatible perceptual coding of spatial cues
KR100978018B1 (en) * 2002-04-22 2010-08-25 코닌클리케 필립스 일렉트로닉스 엔.브이. Parametric representation of spatial audio
CN1312660C (en) * 2002-04-22 2007-04-25 皇家飞利浦电子股份有限公司 Signal synthesizing
BR0304542A (en) * 2002-04-22 2004-07-20 Koninkl Philips Electronics Nv Method and encoder for encoding a multichannel audio signal, apparatus for providing an audio signal, encoded audio signal, storage medium, and method and decoder for decoding an audio signal
SE0402650D0 (en) * 2004-11-02 2004-11-02 Coding Tech Ab Improved parametric stereo compatible coding or 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 (en) * 2004-12-01 2007-02-15 삼성전자주식회사 Apparatus and method for processing multichannel audio signal using space information
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
CN101233567B (en) 2011-06-15
CN101233568A (en) 2008-07-30
CN101233569B (en) 2010-09-01
KR20080036119A (en) 2008-04-24
KR100888970B1 (en) 2009-03-17
EP1920437A1 (en) 2008-05-14
CN101233570B (en) 2011-06-22
CN101233571A (en) 2008-07-30
KR100841332B1 (en) 2008-06-25
EP1915757A1 (en) 2008-04-30
RU2008107773A (en) 2009-09-10
EP1915756A1 (en) 2008-04-30
WO2007013781A1 (en) 2007-02-01
CA2617050C (en) 2012-10-09
KR100857104B1 (en) 2008-09-05
WO2007013780A1 (en) 2007-02-01
EP1920439A4 (en) 2010-01-06
AU2006273012A1 (en) 2007-02-01
EP1915757A4 (en) 2010-01-06
WO2007013775A1 (en) 2007-02-01
KR100857103B1 (en) 2008-09-08
WO2007013783A1 (en) 2007-02-01
KR100857102B1 (en) 2008-09-08
KR20080034002A (en) 2008-04-17
CN101233567A (en) 2008-07-30
CN101233568B (en) 2010-10-27
CN101233569A (en) 2008-07-30
KR20080033452A (en) 2008-04-16
CA2617050A1 (en) 2007-02-01
CN101233570A (en) 2008-07-30
AU2006273012B2 (en) 2010-06-24
WO2007013784A1 (en) 2007-02-01
EP1915756A4 (en) 2010-01-06
KR20080035656A (en) 2008-04-23
KR20080030686A (en) 2008-04-04
RU2414741C2 (en) 2011-03-20
EP1920439A1 (en) 2008-05-14
EP1920437A4 (en) 2010-01-06
EP1920438A1 (en) 2008-05-14
CN101233571B (en) 2012-12-05

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