EP2094031A3 - Dispositif et procédé de production d'un signal stéréo codé d'un élément audio ou d'un courant de données audio - Google Patents

Dispositif et procédé de production d'un signal stéréo codé d'un élément audio ou d'un courant de données audio Download PDF

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Publication number
EP2094031A3
EP2094031A3 EP09006142.5A EP09006142A EP2094031A3 EP 2094031 A3 EP2094031 A3 EP 2094031A3 EP 09006142 A EP09006142 A EP 09006142A EP 2094031 A3 EP2094031 A3 EP 2094031A3
Authority
EP
European Patent Office
Prior art keywords
stereo
channel
signal
audio
uncoded
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
EP09006142.5A
Other languages
German (de)
English (en)
Other versions
EP2094031A2 (fr
Inventor
Jan Plogsties
Harald Mundt
Harald Popp
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.)
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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 Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Publication of EP2094031A2 publication Critical patent/EP2094031A2/fr
Publication of EP2094031A3 publication Critical patent/EP2094031A3/fr
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • 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
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Catalysts (AREA)
EP09006142.5A 2005-03-04 2006-02-22 Dispositif et procédé de production d'un signal stéréo codé d'un élément audio ou d'un courant de données audio Ceased EP2094031A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005010057A DE102005010057A1 (de) 2005-03-04 2005-03-04 Vorrichtung und Verfahren zum Erzeugen eines codierten Stereo-Signals eines Audiostücks oder Audiodatenstroms
EP06707184A EP1854334B1 (fr) 2005-03-04 2006-02-22 Dispositif et procede de production d'un signal stereo code d'un morceau audio ou d'un flux de donnees audio

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP06707184A Division EP1854334B1 (fr) 2005-03-04 2006-02-22 Dispositif et procede de production d'un signal stereo code d'un morceau audio ou d'un flux de donnees audio

Publications (2)

Publication Number Publication Date
EP2094031A2 EP2094031A2 (fr) 2009-08-26
EP2094031A3 true EP2094031A3 (fr) 2014-10-01

Family

ID=36649539

Family Applications (2)

Application Number Title Priority Date Filing Date
EP06707184A Expired - Lifetime EP1854334B1 (fr) 2005-03-04 2006-02-22 Dispositif et procede de production d'un signal stereo code d'un morceau audio ou d'un flux de donnees audio
EP09006142.5A Ceased EP2094031A3 (fr) 2005-03-04 2006-02-22 Dispositif et procédé de production d'un signal stéréo codé d'un élément audio ou d'un courant de données audio

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP06707184A Expired - Lifetime EP1854334B1 (fr) 2005-03-04 2006-02-22 Dispositif et procede de production d'un signal stereo code d'un morceau audio ou d'un flux de donnees audio

Country Status (19)

Country Link
US (1) US8553895B2 (fr)
EP (2) EP1854334B1 (fr)
JP (1) JP4987736B2 (fr)
KR (1) KR100928311B1 (fr)
CN (1) CN101133680B (fr)
AT (1) ATE461591T1 (fr)
AU (1) AU2006222285B2 (fr)
BR (1) BRPI0608036B1 (fr)
CA (1) CA2599969C (fr)
DE (2) DE102005010057A1 (fr)
ES (1) ES2340796T3 (fr)
IL (1) IL185452A (fr)
MX (1) MX2007010636A (fr)
MY (1) MY140741A (fr)
NO (1) NO339958B1 (fr)
PL (1) PL1854334T3 (fr)
RU (1) RU2376726C2 (fr)
TW (1) TWI322630B (fr)
WO (1) WO2006094635A1 (fr)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005010057A1 (de) * 2005-03-04 2006-09-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Erzeugen eines codierten Stereo-Signals eines Audiostücks oder Audiodatenstroms
US7876904B2 (en) * 2006-07-08 2011-01-25 Nokia Corporation Dynamic decoding of binaural audio signals
KR101499785B1 (ko) 2008-10-23 2015-03-09 삼성전자주식회사 모바일 디바이스를 위한 오디오 처리 장치 및 그 방법
KR101619578B1 (ko) 2010-12-03 2016-05-18 프라운호퍼-게젤샤프트 츄어 푀르더룽 데어 안게반텐 포르슝에.파우. 기하학 기반의 공간 오디오 코딩을 위한 장치 및 방법
WO2012150482A1 (fr) * 2011-05-04 2012-11-08 Nokia Corporation Codage de signaux stéréophoniques
FR2976759B1 (fr) * 2011-06-16 2013-08-09 Jean Luc Haurais Procede de traitement d'un signal audio pour une restitution amelioree.
JP6007474B2 (ja) * 2011-10-07 2016-10-12 ソニー株式会社 音声信号処理装置、音声信号処理方法、プログラムおよび記録媒体
JP6090334B2 (ja) * 2012-01-17 2017-03-08 ギブソン イノベーションズ ベルジャム エヌヴイ マルチチャンネルオーディオレンダリング
US9602927B2 (en) * 2012-02-13 2017-03-21 Conexant Systems, Inc. Speaker and room virtualization using headphones
KR20140017338A (ko) * 2012-07-31 2014-02-11 인텔렉추얼디스커버리 주식회사 오디오 신호 처리 장치 및 방법
JP6160072B2 (ja) * 2012-12-06 2017-07-12 富士通株式会社 オーディオ信号符号化装置および方法、オーディオ信号伝送システムおよび方法、オーディオ信号復号装置
WO2014111765A1 (fr) 2013-01-15 2014-07-24 Koninklijke Philips N.V. Traitement audio binauriculaire
CN104919820B (zh) * 2013-01-17 2017-04-26 皇家飞利浦有限公司 双耳音频处理
EP2757559A1 (fr) 2013-01-22 2014-07-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Appareil et procédé de codage d'objet audio spatial employant des objets cachés pour manipulation de mélange de signaux
CN104982042B (zh) 2013-04-19 2018-06-08 韩国电子通信研究院 多信道音频信号处理装置及方法
WO2014171791A1 (fr) 2013-04-19 2014-10-23 한국전자통신연구원 Appareil et procédé de traitement de signal audio multicanal
US9412385B2 (en) * 2013-05-28 2016-08-09 Qualcomm Incorporated Performing spatial masking with respect to spherical harmonic coefficients
US9319819B2 (en) 2013-07-25 2016-04-19 Etri Binaural rendering method and apparatus for decoding multi channel audio
TWI847206B (zh) 2013-09-12 2024-07-01 瑞典商杜比國際公司 多聲道音訊系統中之解碼方法、解碼裝置、包含用於執行解碼方法的指令之非暫態電腦可讀取的媒體之電腦程式產品、包含解碼裝置的音訊系統
ES2660778T3 (es) 2013-10-21 2018-03-26 Dolby International Ab Reconstrucción paramétrica de señales de audio
EP3611727B1 (fr) * 2015-03-03 2022-05-04 Dolby Laboratories Licensing Corporation Amélioration de signaux audio spatiaux par décorrélation modulée
EP3067885A1 (fr) * 2015-03-09 2016-09-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Appareil et procédé pour le codage ou le décodage d'un signal multicanal
EP3342188B1 (fr) 2015-08-25 2020-08-12 Dolby Laboratories Licensing Corporation Decodeur audio et procédé
TWI577194B (zh) * 2015-10-22 2017-04-01 山衛科技股份有限公司 環境音源辨識系統及其環境音源辨識之方法
EP3208800A1 (fr) 2016-02-17 2017-08-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Appareil et procédé pour enregistrement stéréo dans un codage multi-canaux
US10187740B2 (en) * 2016-09-23 2019-01-22 Apple Inc. Producing headphone driver signals in a digital audio signal processing binaural rendering environment
WO2018073759A1 (fr) * 2016-10-19 2018-04-26 Audible Reality Inc. Système et procédé de génération d'une image audio
US11523239B2 (en) 2019-07-22 2022-12-06 Hisense Visual Technology Co., Ltd. Display apparatus and method for processing audio
CN112261545A (zh) * 2019-07-22 2021-01-22 海信视像科技股份有限公司 显示装置
WO2025091293A1 (fr) * 2023-10-31 2025-05-08 北京小米移动软件有限公司 Procédé de regroupement, encodeur, décodeur et support de stockage

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2851879A1 (fr) * 2003-02-27 2004-09-03 France Telecom Procede de traitement de donnees sonores compressees, pour spatialisation.
EP1854334B1 (fr) * 2005-03-04 2010-03-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Dispositif et procede de production d'un signal stereo code d'un morceau audio ou d'un flux de donnees audio

Family Cites Families (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US602349A (en) * 1898-04-12 Abrading mechanism
US5632005A (en) 1991-01-08 1997-05-20 Ray Milton Dolby Encoder/decoder for multidimensional sound fields
JPH04240896A (ja) * 1991-01-25 1992-08-28 Fujitsu Ten Ltd 音場制御装置
FR2688371B1 (fr) 1992-03-03 1997-05-23 France Telecom Procede et systeme de spatialisation artificielle de signaux audio-numeriques.
US5703999A (en) 1992-05-25 1997-12-30 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Process for reducing data in the transmission and/or storage of digital signals from several interdependent channels
DE4217276C1 (fr) * 1992-05-25 1993-04-08 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung Ev, 8000 Muenchen, De
CA2139511C (fr) 1992-07-07 2004-09-07 David Stanley Mcgrath Filtre numerique de grande precision et de grande efficacite
DE4236989C2 (de) 1992-11-02 1994-11-17 Fraunhofer Ges Forschung Verfahren zur Übertragung und/oder Speicherung digitaler Signale mehrerer Kanäle
JPH06269097A (ja) * 1993-03-11 1994-09-22 Sony Corp 音響装置
US5488665A (en) 1993-11-23 1996-01-30 At&T Corp. Multi-channel perceptual audio compression system with encoding mode switching among matrixed channels
JP3404837B2 (ja) * 1993-12-07 2003-05-12 ソニー株式会社 多層符号化装置
US5659619A (en) * 1994-05-11 1997-08-19 Aureal Semiconductor, Inc. Three-dimensional virtual audio display employing reduced complexity imaging filters
US5982903A (en) * 1995-09-26 1999-11-09 Nippon Telegraph And Telephone Corporation Method for construction of transfer function table for virtual sound localization, memory with the transfer function table recorded therein, and acoustic signal editing scheme using the transfer function table
US5956674A (en) * 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
US5742689A (en) * 1996-01-04 1998-04-21 Virtual Listening Systems, Inc. Method and device for processing a multichannel signal for use with a headphone
US5812971A (en) * 1996-03-22 1998-09-22 Lucent Technologies Inc. Enhanced joint stereo coding method using temporal envelope shaping
JP3948752B2 (ja) * 1996-04-10 2007-07-25 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 複数情報信号符号化用符号化装置
DE19721487A1 (de) * 1997-05-23 1998-11-26 Thomson Brandt Gmbh Verfahren und Vorrichtung zur Fehlerverschleierung bei Mehrkanaltonsignalen
WO1999014983A1 (fr) 1997-09-16 1999-03-25 Lake Dsp Pty. Limited Utilisation d'effets de filtrage dans les casques d'ecoute stereophoniques pour ameliorer la spatialisation d'une source autour d'un auditeur
DE69943265D1 (de) * 1998-03-25 2011-04-21 Dolby Lab Licensing Corp Verfahren und Vorrichtung zur Verarbeitung von Audiosignalen
AUPP271598A0 (en) * 1998-03-31 1998-04-23 Lake Dsp Pty Limited Headtracked processing for headtracked playback of audio signals
CN1065400C (zh) 1998-09-01 2001-05-02 国家科学技术委员会高技术研究发展中心 兼容ac－3和mpeg－2的音频编解码器
AU757410B2 (en) * 1998-09-02 2003-02-20 Matsushita Electric Industrial Co., Ltd. Signal processor
DE19932062A1 (de) * 1999-07-12 2001-01-18 Bosch Gmbh Robert Verfahren zur Aufbereitung von quellcodierten Audiodaten sowie Sender und Empfänger hierzu
JP2001100792A (ja) * 1999-09-28 2001-04-13 Sanyo Electric Co Ltd 符号化方法、符号化装置およびそれを備える通信システム
JP3335605B2 (ja) * 2000-03-13 2002-10-21 日本電信電話株式会社 ステレオ信号符号化方法
JP3616307B2 (ja) * 2000-05-22 2005-02-02 日本電信電話株式会社 音声・楽音信号符号化方法及びこの方法を実行するプログラムを記録した記録媒体
JP2002191099A (ja) * 2000-09-26 2002-07-05 Matsushita Electric Ind Co Ltd 信号処理装置
JP3228474B2 (ja) * 2001-01-18 2001-11-12 日本ビクター株式会社 音声符号化装置及び音声復号化方法
JP2002262385A (ja) * 2001-02-27 2002-09-13 Victor Co Of Japan Ltd 音像定位信号の生成方法、及び音像定位信号生成装置
US20030035553A1 (en) 2001-08-10 2003-02-20 Frank Baumgarte Backwards-compatible perceptual coding of spatial cues
US7006636B2 (en) 2002-05-24 2006-02-28 Agere Systems Inc. Coherence-based audio coding and synthesis
US7116787B2 (en) 2001-05-04 2006-10-03 Agere Systems Inc. Perceptual synthesis of auditory scenes
JP2003009296A (ja) * 2001-06-22 2003-01-10 Matsushita Electric Ind Co Ltd 音響処理装置および音響処理方法
US20050141722A1 (en) * 2002-04-05 2005-06-30 Koninklijke Philips Electronics N.V. Signal processing
KR101021079B1 (ko) * 2002-04-22 2011-03-14 코닌클리케 필립스 일렉트로닉스 엔.브이. 파라메트릭 다채널 오디오 표현
KR100522593B1 (ko) 2002-07-08 2005-10-19 삼성전자주식회사 다채널 입체음향 사운드 생성방법 및 장치
CN100539742C (zh) * 2002-07-12 2009-09-09 皇家飞利浦电子股份有限公司 多声道音频信号编解码方法和装置
KR20040027015A (ko) * 2002-09-27 2004-04-01 (주)엑스파미디어 스트리밍시 오디오의 대역폭을 줄이기 위하여 몰입형오디오를 이용한 새로운 다운믹싱 기법
JP4084990B2 (ja) * 2002-11-19 2008-04-30 株式会社ケンウッド エンコード装置、デコード装置、エンコード方法およびデコード方法
JP4369140B2 (ja) 2003-02-17 2009-11-18 パナソニック株式会社 オーディオ高能率符号化装置、オーディオ高能率符号化方法、オーディオ高能率符号化プログラム及びその記録媒体
JP2004309921A (ja) * 2003-04-09 2004-11-04 Sony Corp 符号化装置、符号化方法及びプログラム
US7949141B2 (en) * 2003-11-12 2011-05-24 Dolby Laboratories Licensing Corporation Processing audio signals with head related transfer function filters and a reverberator
US7394903B2 (en) * 2004-01-20 2008-07-01 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal
US20050276430A1 (en) * 2004-05-28 2005-12-15 Microsoft Corporation Fast headphone virtualization
US20050273324A1 (en) * 2004-06-08 2005-12-08 Expamedia, Inc. System for providing audio data and providing method thereof
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2851879A1 (fr) * 2003-02-27 2004-09-03 France Telecom Procede de traitement de donnees sonores compressees, pour spatialisation.
EP1854334B1 (fr) * 2005-03-04 2010-03-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Dispositif et procede de production d'un signal stereo code d'un morceau audio ou d'un flux de donnees audio

Also Published As

Publication number Publication date
PL1854334T3 (pl) 2010-09-30
NO20075004L (no) 2007-10-03
HK1111855A1 (en) 2008-08-15
KR20070100838A (ko) 2007-10-11
US20070297616A1 (en) 2007-12-27
EP1854334A1 (fr) 2007-11-14
CN101133680A (zh) 2008-02-27
DE502006006444D1 (de) 2010-04-29
TW200701823A (en) 2007-01-01
DE102005010057A1 (de) 2006-09-07
BRPI0608036A2 (pt) 2009-11-03
RU2007136792A (ru) 2009-04-10
EP2094031A2 (fr) 2009-08-26
RU2376726C2 (ru) 2009-12-20
CN101133680B (zh) 2012-08-08
JP4987736B2 (ja) 2012-07-25
KR100928311B1 (ko) 2009-11-25
AU2006222285A1 (en) 2006-09-14
JP2008532395A (ja) 2008-08-14
WO2006094635A1 (fr) 2006-09-14
ES2340796T3 (es) 2010-06-09
IL185452A (en) 2011-07-31
ATE461591T1 (de) 2010-04-15
EP1854334B1 (fr) 2010-03-17
BRPI0608036B1 (pt) 2019-05-07
TWI322630B (en) 2010-03-21
CA2599969C (fr) 2012-10-02
AU2006222285B2 (en) 2009-01-08
NO339958B1 (no) 2017-02-20
US8553895B2 (en) 2013-10-08
IL185452A0 (en) 2008-01-06
CA2599969A1 (fr) 2006-09-14
MX2007010636A (es) 2007-10-10
MY140741A (en) 2010-01-15

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