TW200701823A - Device and method for generating an encoded stereo signal of an audio piece or audio datastream - Google Patents

Device and method for generating an encoded stereo signal of an audio piece or audio datastream

Info

Publication number
TW200701823A
TW200701823A TW095106978A TW95106978A TW200701823A TW 200701823 A TW200701823 A TW 200701823A TW 095106978 A TW095106978 A TW 095106978A TW 95106978 A TW95106978 A TW 95106978A TW 200701823 A TW200701823 A TW 200701823A
Authority
TW
Taiwan
Prior art keywords
stereo
channel
audio
generating
player
Prior art date
Application number
TW095106978A
Other languages
English (en)
Other versions
TWI322630B (en
Inventor
Jan Plogsties
Harald Mundt
Harald Popp
Original Assignee
Fraunhofer Ges Forschung
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 Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of TW200701823A publication Critical patent/TW200701823A/zh
Application granted granted Critical
Publication of TWI322630B publication Critical patent/TWI322630B/zh

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • H04S3/002Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • H04S3/004For headphones
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00Circuits for transducers, loudspeakers or microphones
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00Stereophonic arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S5/00Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2400/00Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2420/00Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03Application of parametric coding in stereophonic audio systems
TW095106978A 2005-03-04 2006-03-02 Device and method for generating an encoded stereo signal of an audio piece or audio datastream,and a computer program for generation an encoded stereo signal TWI322630B (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
TW200701823A true TW200701823A (en) 2007-01-01
TWI322630B TWI322630B (en) 2010-03-21

Family

ID=36649539

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095106978A TWI322630B (en) 2005-03-04 2006-03-02 Device and method for generating an encoded stereo signal of an audio piece or audio datastream,and a computer program for generation an encoded stereo signal

Country Status (20)

Country Link
US (1) US8553895B2 (zh)
EP (2) EP2094031A3 (zh)
JP (1) JP4987736B2 (zh)
KR (1) KR100928311B1 (zh)
CN (1) CN101133680B (zh)
AT (1) ATE461591T1 (zh)
AU (1) AU2006222285B2 (zh)
BR (1) BRPI0608036B1 (zh)
CA (1) CA2599969C (zh)
DE (2) DE102005010057A1 (zh)
ES (1) ES2340796T3 (zh)
HK (1) HK1111855A1 (zh)
IL (1) IL185452A (zh)
MX (1) MX2007010636A (zh)
MY (1) MY140741A (zh)
NO (1) NO339958B1 (zh)
PL (1) PL1854334T3 (zh)
RU (1) RU2376726C2 (zh)
TW (1) TWI322630B (zh)
WO (1) WO2006094635A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9396731B2 (en) 2010-12-03 2016-07-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Sound acquisition via the extraction of geometrical information from direction of arrival estimates

Families Citing this family (27)

* 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
US9530419B2 (en) * 2011-05-04 2016-12-27 Nokia Technologies Oy Encoding of stereophonic signals
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
WO2013108164A1 (en) * 2012-01-17 2013-07-25 Koninklijke Philips N.V. Multi-channel audio rendering
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
US9860663B2 (en) 2013-01-15 2018-01-02 Koninklijke Philips N.V. Binaural audio processing
CN104919820B (zh) * 2013-01-17 2017-04-26 皇家飞利浦有限公司 双耳音频处理
EP2757559A1 (en) 2013-01-22 2014-07-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for spatial audio object coding employing hidden objects for signal mixture manipulation
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 (ko) 2013-04-19 2014-10-23 한국전자통신연구원 다채널 오디오 신호 처리 장치 및 방법
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
TWI634547B (zh) * 2013-09-12 2018-09-01 瑞典商杜比國際公司 在包含至少四音訊聲道的多聲道音訊系統中之解碼方法、解碼裝置、編碼方法以及編碼裝置以及包含電腦可讀取的媒體之電腦程式產品
RU2648947C2 (ru) 2013-10-21 2018-03-28 Долби Интернэшнл Аб Параметрическая реконструкция аудиосигналов
WO2016141023A1 (en) * 2015-03-03 2016-09-09 Dolby Laboratories Licensing Corporation Enhancement of spatial audio signals by modulated decorrelation
EP3067885A1 (en) * 2015-03-09 2016-09-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding or decoding a multi-channel signal
CN111970629B (zh) 2015-08-25 2022-05-17 杜比实验室特许公司 音频解码器和解码方法
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 (en) * 2016-02-17 2017-08-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for stereo filing in multichannel coding
US10187740B2 (en) * 2016-09-23 2019-01-22 Apple Inc. Producing headphone driver signals in a digital audio signal processing binaural rendering environment
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

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
EP0649578B1 (en) 1992-07-07 2003-05-14 Lake Technology Limited Digital filter having high accuracy and efficiency
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
WO2004103023A1 (ja) * 1995-09-26 2004-11-25 Ikuichiro Kinoshita 仮想音像定位用伝達関数表作成方法、その伝達関数表を記録した記憶媒体及びそれを用いた音響信号編集方法
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
DE69718735T2 (de) * 1996-04-10 2003-11-13 Koninkl Philips Electronics Nv Kodiervorrichtung zum kodieren einer vielzahl von informationssignalen
EP1025743B1 (en) 1997-09-16 2013-06-19 Dolby Laboratories Licensing Corporation Utilisation of filtering effects in stereo headphone devices to enhance spatialization of source around a listener
EP1072089B1 (en) * 1998-03-25 2011-03-09 Dolby Laboratories Licensing Corp. Audio signal processing method and apparatus
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
BR9906999A (pt) * 1998-09-02 2000-09-26 Matsushita Electric Ind Co Ltd Aparelho de processamento de sinal
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
US7006636B2 (en) 2002-05-24 2006-02-28 Agere Systems Inc. Coherence-based audio coding and synthesis
US20030035553A1 (en) 2001-08-10 2003-02-20 Frank Baumgarte Backwards-compatible perceptual coding of spatial cues
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
AU2003209585A1 (en) * 2002-04-05 2003-10-20 Koninklijke Philips Electronics N.V. Signal processing
JP4714415B2 (ja) * 2002-04-22 2011-06-29 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 パラメータによるマルチチャンネルオーディオ表示
KR100522593B1 (ko) 2002-07-08 2005-10-19 삼성전자주식회사 다채널 입체음향 사운드 생성방법 및 장치
US7447629B2 (en) * 2002-07-12 2008-11-04 Koninklijke Philips Electronics N.V. Audio coding
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
FR2851879A1 (fr) * 2003-02-27 2004-09-03 France Telecom Procede de traitement de donnees sonores compressees, pour spatialisation.
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
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9396731B2 (en) 2010-12-03 2016-07-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Sound acquisition via the extraction of geometrical information from direction of arrival estimates
US10109282B2 (en) 2010-12-03 2018-10-23 Friedrich-Alexander-Universitaet Erlangen-Nuernberg Apparatus and method for geometry-based spatial audio coding

Also Published As

Publication number Publication date
AU2006222285B2 (en) 2009-01-08
EP1854334A1 (de) 2007-11-14
RU2007136792A (ru) 2009-04-10
US20070297616A1 (en) 2007-12-27
TWI322630B (en) 2010-03-21
RU2376726C2 (ru) 2009-12-20
MX2007010636A (es) 2007-10-10
BRPI0608036A2 (pt) 2009-11-03
EP2094031A2 (de) 2009-08-26
CA2599969A1 (en) 2006-09-14
MY140741A (en) 2010-01-15
BRPI0608036B1 (pt) 2019-05-07
EP2094031A3 (de) 2014-10-01
HK1111855A1 (en) 2008-08-15
IL185452A0 (en) 2008-01-06
PL1854334T3 (pl) 2010-09-30
AU2006222285A1 (en) 2006-09-14
CN101133680A (zh) 2008-02-27
NO339958B1 (no) 2017-02-20
NO20075004L (no) 2007-10-03
CA2599969C (en) 2012-10-02
JP4987736B2 (ja) 2012-07-25
JP2008532395A (ja) 2008-08-14
KR20070100838A (ko) 2007-10-11
ES2340796T3 (es) 2010-06-09
DE102005010057A1 (de) 2006-09-07
CN101133680B (zh) 2012-08-08
KR100928311B1 (ko) 2009-11-25
US8553895B2 (en) 2013-10-08
DE502006006444D1 (de) 2010-04-29
WO2006094635A1 (de) 2006-09-14
EP1854334B1 (de) 2010-03-17
IL185452A (en) 2011-07-31
ATE461591T1 (de) 2010-04-15

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