CA2646278A1 - Procede de codage et de decodage de signal audio a base d'objet et appareil correspondant - Google Patents

Procede de codage et de decodage de signal audio a base d'objet et appareil correspondant Download PDF

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Publication number
CA2646278A1
CA2646278A1 CA002646278A CA2646278A CA2646278A1 CA 2646278 A1 CA2646278 A1 CA 2646278A1 CA 002646278 A CA002646278 A CA 002646278A CA 2646278 A CA2646278 A CA 2646278A CA 2646278 A1 CA2646278 A1 CA 2646278A1
Authority
CA
Canada
Prior art keywords
information
audio signal
channel
based parameter
signal
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.)
Abandoned
Application number
CA002646278A
Other languages
English (en)
Inventor
Sung Yong Yoon
Hee Suk Pang
Hyun Kook Lee
Dong Soo Kim
Jae Hyun Lim
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
Individual
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 Individual filed Critical Individual
Publication of CA2646278A1 publication Critical patent/CA2646278A1/fr
Abandoned 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
    • G10L19/04—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)
CA002646278A 2006-02-09 2007-02-09 Procede de codage et de decodage de signal audio a base d'objet et appareil correspondant Abandoned CA2646278A1 (fr)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US77147106P 2006-02-09 2006-02-09
US60/771,471 2006-02-09
US77333706P 2006-02-15 2006-02-15
US60/773,337 2006-02-15
US88071407P 2007-01-17 2007-01-17
US60/880,714 2007-01-17
US88094207P 2007-01-18 2007-01-18
US60/880,942 2007-01-18
PCT/KR2007/000730 WO2007091870A1 (fr) 2006-02-09 2007-02-09 Procédé de codage et de décodage de signal audio à base d'objet et appareil correspondant

Publications (1)

Publication Number Publication Date
CA2646278A1 true CA2646278A1 (fr) 2007-08-16

Family

ID=39731308

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002646278A Abandoned CA2646278A1 (fr) 2006-02-09 2007-02-09 Procede de codage et de decodage de signal audio a base d'objet et appareil correspondant

Country Status (7)

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

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2575129A1 (fr) * 2006-09-29 2013-04-03 Electronics and Telecommunications Research Institute Appareil et procédé de codage et de décodage d'un signal audio à objets multiples ayant divers canaux
BRPI0715312B1 (pt) 2006-10-16 2021-05-04 Koninklijke Philips Electrnics N. V. Aparelhagem e método para transformação de parâmetros multicanais
MY145497A (en) 2006-10-16 2012-02-29 Dolby Sweden Ab Enhanced coding and parameter representation of multichannel downmixed object coding
EP2595148A3 (fr) 2006-12-27 2013-11-13 Electronics and Telecommunications Research Institute Dispositif de codage de signaux audio multi-objet
KR101443568B1 (ko) 2007-01-10 2014-09-23 코닌클리케 필립스 엔.브이. 오디오 디코더
WO2008100100A1 (fr) 2007-02-14 2008-08-21 Lg Electronics Inc. Procédés et appareils de codage et de décodage de signaux audio fondés sur des objets
EP2624253A3 (fr) * 2007-10-22 2013-11-06 Electronics and Telecommunications Research Institute Procédé et appareil de codage et décodage audio multiobjets
KR101328962B1 (ko) * 2008-01-01 2013-11-13 엘지전자 주식회사 오디오 신호 처리 방법 및 장치
CN101911182A (zh) * 2008-01-01 2010-12-08 Lg电子株式会社 用于处理音频信号的方法和装置
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
EP2083585B1 (fr) 2008-01-23 2010-09-15 LG Electronics Inc. Procédé et appareil de traitement de signal audio
KR101461685B1 (ko) * 2008-03-31 2014-11-19 한국전자통신연구원 다객체 오디오 신호의 부가정보 비트스트림 생성 방법 및 장치
CN102007533B (zh) * 2008-04-16 2012-12-12 Lg电子株式会社 用于处理音频信号的方法和装置
KR101061129B1 (ko) 2008-04-24 2011-08-31 엘지전자 주식회사 오디오 신호의 처리 방법 및 이의 장치
EP2360194B1 (fr) * 2008-11-27 2015-03-11 Toray Industries, Inc. Composition de résine de siloxane et film protecteur pour écran tactile l'utilisant
SG11201504368VA (en) 2012-12-04 2015-07-30 Samsung Electronics Co Ltd Audio providing apparatus and audio providing method
US9860663B2 (en) * 2013-01-15 2018-01-02 Koninklijke Philips N.V. Binaural audio processing
US20160066118A1 (en) * 2013-04-15 2016-03-03 Intellectual Discovery Co., Ltd. Audio signal processing method using generating virtual object
TWI615834B (zh) * 2013-05-31 2018-02-21 Sony Corp 編碼裝置及方法、解碼裝置及方法、以及程式
KR102231755B1 (ko) * 2013-10-25 2021-03-24 삼성전자주식회사 입체 음향 재생 방법 및 장치
EP3127110B1 (fr) * 2014-04-02 2018-01-31 Dolby International AB Exploitation de redondance de métadonnées dans des métadonnées audio immersives

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100416757B1 (ko) * 1999-06-10 2004-01-31 삼성전자주식회사 위치 조절이 가능한 가상 음상을 이용한 스피커 재생용 다채널오디오 재생 장치 및 방법
CN1973318B (zh) * 2002-10-14 2012-01-25 汤姆森许可贸易公司 用于对音频信号的表示描述进行编码或解码的方法和设备
CN1717955B (zh) * 2002-12-02 2013-10-23 汤姆森许可贸易公司 用于描述音频信号的合成的方法
EP1427252A1 (fr) * 2002-12-02 2004-06-09 Deutsche Thomson-Brandt Gmbh Procédé et appareil pour le traitement de signaux audio à partir d'un train de bits
JP2005352396A (ja) * 2004-06-14 2005-12-22 Matsushita Electric Ind Co Ltd 音響信号符号化装置および音響信号復号装置
CN101410891A (zh) 2006-02-03 2009-04-15 韩国电子通信研究院 使用空间线索控制多目标或多声道音频信号的渲染的方法和装置
EP2575129A1 (fr) 2006-09-29 2013-04-03 Electronics and Telecommunications Research Institute Appareil et procédé de codage et de décodage d'un signal audio à objets multiples ayant divers canaux

Also Published As

Publication number Publication date
WO2007091870A1 (fr) 2007-08-16
BRPI0708047A2 (pt) 2011-05-17
TW200741649A (en) 2007-11-01
EP1984916A1 (fr) 2008-10-29
EP1984916A4 (fr) 2010-09-29
WO2007091870A8 (fr) 2008-09-12
JP2009526467A (ja) 2009-07-16
AU2007212873B2 (en) 2010-02-25
AU2007212873A1 (en) 2007-08-16
TWI326448B (en) 2010-06-21

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued