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TW200741649A - Method for encoding and decoding object-based audio signal and apparatus thereof - Google Patents

Method for encoding and decoding object-based audio signal and apparatus thereof

Info

Publication number
TW200741649A
TW200741649A TW096104926A TW96104926A TW200741649A TW 200741649 A TW200741649 A TW 200741649A TW 096104926 A TW096104926 A TW 096104926A TW 96104926 A TW96104926 A TW 96104926A TW 200741649 A TW200741649 A TW 200741649A
Authority
TW
Taiwan
Prior art keywords
audio signal
encoding
based audio
decoding
decoding object
Prior art date
Application number
TW096104926A
Other languages
Chinese (zh)
Other versions
TWI326448B (en
Inventor
Dong-Soo Kim
Hee-Suk Pang
Jae-Hyun Lim
Sung-Yong Yoon
Hyun-Kook Lee
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
Application filed by Lg Electronics Inc filed Critical Lg Electronics Inc
Publication of TW200741649A publication Critical patent/TW200741649A/en
Application granted granted Critical
Publication of TWI326448B publication Critical patent/TWI326448B/en

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
    • G10L19/04—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 predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/173—Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding
    • 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
    • G10L19/04—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 predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03—Application of parametric coding in stereophonic audio systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Stereophonic System (AREA)

Abstract

Methods and apparatuses for encoding and decoding an object-based audio signal are provided. The method of decoding an object-based audio signal includes extracting a down-mix signal and object-based parameter information from an input audio signal, generating an object-audio signal using the down-mix signal and the object-based parameter information, and generating an object audio signal with three-dimensional (3D) effects by applying 3D information to the object audio signal. Accordingly, it is possible to localize a sound image for each object audio signal and thus provide a vivid sense of reality during the reproduction of object audio signals.
TW96104926A 2006-02-09 2007-02-09 Method for encoding and an audio signal and apparatus thereof and computer readable recording medium for method for decoding an audio signal TWI326448B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US77147106P 2006-02-09 2006-02-09
US77333706P 2006-02-15 2006-02-15
US88071407P 2007-01-17 2007-01-17
US88094207P 2007-01-18 2007-01-18

Publications (2)

Publication Number Publication Date
TW200741649A true TW200741649A (en) 2007-11-01
TWI326448B TWI326448B (en) 2010-06-21

Family

ID=39731308

Family Applications (1)

Application Number Title Priority Date Filing Date
TW96104926A TWI326448B (en) 2006-02-09 2007-02-09 Method for encoding and an audio signal and apparatus thereof and computer readable recording medium for method for decoding an audio signal

Country Status (7)

Country Link
EP (1) EP1984916A4 (en)
JP (1) JP2009526467A (en)
AU (1) AU2007212873B2 (en)
BR (1) BRPI0708047A2 (en)
CA (1) CA2646278A1 (en)
TW (1) TWI326448B (en)
WO (1) WO2007091870A1 (en)

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* Cited by examiner, † Cited by third party
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US8364497B2 (en) * 2006-09-29 2013-01-29 Electronics And Telecommunications Research Institute Apparatus and method for coding and decoding multi-object audio signal with various channel
MX2009003564A (en) * 2006-10-16 2009-05-28 Fraunhofer Ges Forschung Apparatus and method for multi -channel parameter transformation.
BRPI0715559B1 (en) 2006-10-16 2021-12-07 Dolby International Ab IMPROVED ENCODING AND REPRESENTATION OF MULTI-CHANNEL DOWNMIX DOWNMIX OBJECT ENCODING PARAMETERS
WO2008078973A1 (en) * 2006-12-27 2008-07-03 Electronics And Telecommunications Research Institute Apparatus and method for coding and decoding multi-object audio signal with various channel including information bitstream conversion
MX2009007412A (en) 2007-01-10 2009-07-17 Koninkl Philips Electronics Nv Audio decoder.
WO2008100100A1 (en) 2007-02-14 2008-08-21 Lg Electronics Inc. Methods and apparatuses for encoding and decoding object-based audio signals
WO2009054665A1 (en) * 2007-10-22 2009-04-30 Electronics And Telecommunications Research Institute Multi-object audio encoding and decoding method and apparatus thereof
CN101911182A (en) 2008-01-01 2010-12-08 Lg电子株式会社 The method and apparatus that is used for audio signal
CN101911732A (en) * 2008-01-01 2010-12-08 Lg电子株式会社 The method and apparatus that is used for audio signal
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
US8615316B2 (en) 2008-01-23 2013-12-24 Lg Electronics Inc. Method and an apparatus for processing an audio signal
KR101461685B1 (en) 2008-03-31 2014-11-19 한국전자통신연구원 Method and apparatus for generating side information bitstream of multi object audio signal
CN102007533B (en) * 2008-04-16 2012-12-12 Lg电子株式会社 A method and an apparatus for processing an audio signal
KR101061129B1 (en) 2008-04-24 2011-08-31 엘지전자 주식회사 Method of processing audio signal and apparatus thereof
WO2010061744A1 (en) * 2008-11-27 2010-06-03 東レ株式会社 Siloxane resin composition and protective film for touch panel using same
KR102037418B1 (en) * 2012-12-04 2019-10-28 삼성전자주식회사 Apparatus and Method for providing audio thereof
RU2660611C2 (en) * 2013-01-15 2018-07-06 Конинклейке Филипс Н.В. Binaural stereo processing
CN105144751A (en) * 2013-04-15 2015-12-09 英迪股份有限公司 Audio signal processing method using generating virtual object
TWI615834B (en) * 2013-05-31 2018-02-21 Sony Corp Encoding device and method, decoding device and method, and program
KR102231755B1 (en) 2013-10-25 2021-03-24 삼성전자주식회사 Method and apparatus for 3D sound reproducing
WO2015150480A1 (en) * 2014-04-02 2015-10-08 Dolby International Ab Exploiting metadata redundancy in immersive audio metadata

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100416757B1 (en) * 1999-06-10 2004-01-31 삼성전자주식회사 Multi-channel audio reproduction apparatus and method for loud-speaker reproduction
BRPI0315326B1 (en) * 2002-10-14 2017-02-14 Thomson Licensing Sa Method for encoding and decoding the width of a sound source in an audio scene
ATE352970T1 (en) * 2002-12-02 2007-02-15 Thomson Licensing METHOD FOR DESCRIBING THE COMPOSITION OF AN AUDIO SIGNAL
EP1427252A1 (en) * 2002-12-02 2004-06-09 Deutsche Thomson-Brandt Gmbh Method and apparatus for processing audio signals from a bitstream
JP2005352396A (en) * 2004-06-14 2005-12-22 Matsushita Electric Ind Co Ltd Sound signal encoding device and sound signal decoding device
KR101294022B1 (en) * 2006-02-03 2013-08-08 한국전자통신연구원 Method and apparatus for control of randering multiobject or multichannel audio signal using spatial cue
US8364497B2 (en) 2006-09-29 2013-01-29 Electronics And Telecommunications Research Institute Apparatus and method for coding and decoding multi-object audio signal with various channel

Also Published As

Publication number Publication date
EP1984916A1 (en) 2008-10-29
WO2007091870A8 (en) 2008-09-12
AU2007212873A1 (en) 2007-08-16
BRPI0708047A2 (en) 2011-05-17
AU2007212873B2 (en) 2010-02-25
JP2009526467A (en) 2009-07-16
EP1984916A4 (en) 2010-09-29
TWI326448B (en) 2010-06-21
WO2007091870A1 (en) 2007-08-16
CA2646278A1 (en) 2007-08-16

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