BRPI0706285A2 - métodos para decodificar um fluxo de bits de áudio envolvente de multicanal paramétrico e para transmitir dados digitais representando som a uma unidade móvel, decodificador envolvente paramétrico para decodificar um fluxo de bits de áudio envolvente de multicanal paramétrico, e, terminal móvel - Google Patents

métodos para decodificar um fluxo de bits de áudio envolvente de multicanal paramétrico e para transmitir dados digitais representando som a uma unidade móvel, decodificador envolvente paramétrico para decodificar um fluxo de bits de áudio envolvente de multicanal paramétrico, e, terminal móvel Download PDF

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Publication number
BRPI0706285A2
BRPI0706285A2 BRPI0706285-0A BRPI0706285A BRPI0706285A2 BR PI0706285 A2 BRPI0706285 A2 BR PI0706285A2 BR PI0706285 A BRPI0706285 A BR PI0706285A BR PI0706285 A2 BRPI0706285 A2 BR PI0706285A2
Authority
BR
Brazil
Prior art keywords
parameters
parametric
spatial
audio
decoding
Prior art date
Application number
BRPI0706285-0A
Other languages
English (en)
Portuguese (pt)
Inventor
Anisse Taleb
Erlendur Karlsson
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of BRPI0706285A2 publication Critical patent/BRPI0706285A2/pt

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/07—Applications of wireless loudspeakers or wireless microphones
    • 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
    • H04S3/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • H04S3/004—For headphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels

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)
BRPI0706285-0A 2006-01-05 2007-01-05 métodos para decodificar um fluxo de bits de áudio envolvente de multicanal paramétrico e para transmitir dados digitais representando som a uma unidade móvel, decodificador envolvente paramétrico para decodificar um fluxo de bits de áudio envolvente de multicanal paramétrico, e, terminal móvel BRPI0706285A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US74309606P 2006-01-05 2006-01-05
US60/743,096 2006-01-05
PCT/SE2007/000006 WO2007078254A2 (fr) 2006-01-05 2007-01-05 Decodage personnalise de son d'ambiance multicanal

Publications (1)

Publication Number Publication Date
BRPI0706285A2 true BRPI0706285A2 (pt) 2011-03-22

Family

ID=38228634

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0706285-0A BRPI0706285A2 (pt) 2006-01-05 2007-01-05 métodos para decodificar um fluxo de bits de áudio envolvente de multicanal paramétrico e para transmitir dados digitais representando som a uma unidade móvel, decodificador envolvente paramétrico para decodificar um fluxo de bits de áudio envolvente de multicanal paramétrico, e, terminal móvel

Country Status (5)

Country Link
EP (1) EP1969901A2 (fr)
CN (1) CN101433099A (fr)
BR (1) BRPI0706285A2 (fr)
RU (1) RU2008132156A (fr)
WO (1) WO2007078254A2 (fr)

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JP4770440B2 (ja) 2005-12-13 2011-09-14 ソニー株式会社 信号処理装置、信号処理方法
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
US8150069B2 (en) 2006-03-31 2012-04-03 Sony Corporation Signal processing apparatus, signal processing method, and sound field correction system
JP4285531B2 (ja) 2006-11-29 2009-06-24 ソニー株式会社 信号処理装置、信号処理方法、プログラム
JP4466658B2 (ja) 2007-02-05 2010-05-26 ソニー株式会社 信号処理装置、信号処理方法、プログラム
EP2154911A1 (fr) * 2008-08-13 2010-02-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Appareil pour déterminer un signal audio multi-canal de sortie spatiale
EP2175670A1 (fr) 2008-10-07 2010-04-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Rendu binaural de signal audio multicanaux
CN101556799B (zh) * 2009-05-14 2013-08-28 华为技术有限公司 一种音频解码方法和音频解码器
EA030776B9 (ru) 2011-03-28 2019-01-31 Долби Лабораторис Лайсэнзин Корпорейшн Преобразование пониженной сложности для канала низкочастотных эффектов
CN104054126B (zh) * 2012-01-19 2017-03-29 皇家飞利浦有限公司 空间音频渲染和编码
TWI530941B (zh) 2013-04-03 2016-04-21 杜比實驗室特許公司 用於基於物件音頻之互動成像的方法與系統
EP3028273B1 (fr) * 2013-07-31 2019-09-11 Dolby Laboratories Licensing Corporation Traitement d'objets audio spatialement diffus ou grands
KR101805327B1 (ko) 2013-10-21 2017-12-05 돌비 인터네셔널 에이비 오디오 신호들의 파라메트릭 재구성을 위한 역상관기 구조
EP4421617A3 (fr) 2013-10-31 2024-11-06 Dolby Laboratories Licensing Corporation Rendu binaural pour casques d'écoute utilisant un traitement de métadonnées
CN104681034A (zh) * 2013-11-27 2015-06-03 杜比实验室特许公司 音频信号处理
CN106471575B (zh) 2014-07-01 2019-12-10 韩国电子通信研究院 多信道音频信号处理方法及装置
WO2016003206A1 (fr) * 2014-07-01 2016-01-07 한국전자통신연구원 Procédé et dispositif de traitement de signaux audio multicanal
US9900692B2 (en) 2014-07-09 2018-02-20 Sony Corporation System and method for playback in a speaker system
KR102433613B1 (ko) * 2014-12-04 2022-08-19 가우디오랩 주식회사 개인 특징을 반영한 바이노럴 오디오 신호 처리 방법 및 장치
EP3220668A1 (fr) * 2016-03-15 2017-09-20 Thomson Licensing Procédé pour configurer un rendu audio et/ou un dispositif d'acquisition, rendu audio et/ou dispositif d'acquisition correspondant, système, produit de programme et support de stockage lisibles par ordinateur
CN106373582B (zh) * 2016-08-26 2020-08-04 腾讯科技（深圳）有限公司 多声道音频的处理方法和装置
GB2559765A (en) * 2017-02-17 2018-08-22 Nokia Technologies Oy Two stage audio focus for spatial audio processing
CN112740708B (zh) 2020-05-21 2022-07-22 华为技术有限公司 一种音频数据传输方法及相关装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030035553A1 (en) * 2001-08-10 2003-02-20 Frank Baumgarte Backwards-compatible perceptual coding of spatial cues
US6987947B2 (en) * 2001-10-30 2006-01-17 Unwired Technology Llc Multiple channel wireless communication system
EP1913576A2 (fr) * 2005-06-30 2008-04-23 LG Electronics Inc. Appareil pour coder et pour decoder un signal audio, et methode associee
CA2620627C (fr) * 2005-08-30 2011-03-15 Lg Electronics Inc. Appareil de codage et de decodage de signal audio et procede associe
KR101562379B1 (ko) * 2005-09-13 2015-10-22 코닌클리케 필립스 엔.브이. 공간 디코더 유닛 및 한 쌍의 바이노럴 출력 채널들을 생성하기 위한 방법

Also Published As

Publication number Publication date
RU2008132156A (ru) 2010-02-10
CN101433099A (zh) 2009-05-13
EP1969901A2 (fr) 2008-09-17
WO2007078254A2 (fr) 2007-07-12
WO2007078254A3 (fr) 2007-08-30

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]