DE602005016931D1 - Tonkanalkonvertierung - Google Patents

Tonkanalkonvertierung

Info

Publication number
DE602005016931D1
DE602005016931D1 DE602005016931T DE602005016931T DE602005016931D1 DE 602005016931 D1 DE602005016931 D1 DE 602005016931D1 DE 602005016931 T DE602005016931 T DE 602005016931T DE 602005016931 T DE602005016931 T DE 602005016931T DE 602005016931 D1 DE602005016931 D1 DE 602005016931D1
Authority
DE
Germany
Prior art keywords
audio channels
channels
input audio
unit
processing unit
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.)
Active
Application number
DE602005016931T
Other languages
English (en)
Inventor
Dirk J Breebaart
Erik G Schuijers
Heiko Purnhagen
Karl J Roeden
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.)
Koninklijke Philips NV
Dolby Sweden AB
Original Assignee
Koninklijke Philips Electronics NV
Dolby Sweden AB
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 Koninklijke Philips Electronics NV, Dolby Sweden AB filed Critical Koninklijke Philips Electronics NV
Publication of DE602005016931D1 publication Critical patent/DE602005016931D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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 
    • 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 
    • H04S5/005—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation  of the pseudo five- or more-channel type, e.g. virtual surround
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
DE602005016931T 2004-07-14 2005-07-11 Tonkanalkonvertierung Active DE602005016931D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP04103370 2004-07-14
EP05103072 2005-04-18
PCT/IB2005/052293 WO2006008697A1 (en) 2004-07-14 2005-07-11 Audio channel conversion

Publications (1)

Publication Number Publication Date
DE602005016931D1 true DE602005016931D1 (de) 2009-11-12

Family

ID=34980157

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005016931T Active DE602005016931D1 (de) 2004-07-14 2005-07-11 Tonkanalkonvertierung

Country Status (13)

Country Link
US (1) US8793125B2 (de)
EP (1) EP1769491B1 (de)
JP (1) JP4989468B2 (de)
KR (2) KR101283525B1 (de)
CN (1) CN101014998B (de)
AT (1) ATE444549T1 (de)
BR (1) BRPI0513255B1 (de)
DE (1) DE602005016931D1 (de)
ES (1) ES2333137T3 (de)
MX (1) MX2007000391A (de)
PL (1) PL1769491T3 (de)
RU (1) RU2391714C2 (de)
WO (1) WO2006008697A1 (de)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI497485B (zh) * 2004-08-25 2015-08-21 Dolby Lab Licensing Corp 用以重塑經合成輸出音訊信號之時域包絡以更接近輸入音訊信號之時域包絡的方法
TWI393121B (zh) * 2004-08-25 2013-04-11 Dolby Lab Licensing Corp 處理一組n個聲音信號之方法與裝置及與其相關聯之電腦程式
KR100682904B1 (ko) * 2004-12-01 2007-02-15 삼성전자주식회사 공간 정보를 이용한 다채널 오디오 신호 처리 장치 및 방법
KR100888474B1 (ko) * 2005-11-21 2009-03-12 삼성전자주식회사 멀티채널 오디오 신호의 부호화/복호화 장치 및 방법
KR101218776B1 (ko) * 2006-01-11 2013-01-18 삼성전자주식회사 다운믹스된 신호로부터 멀티채널 신호 생성방법 및 그 기록매체
US8619998B2 (en) * 2006-08-07 2013-12-31 Creative Technology Ltd Spatial audio enhancement processing method and apparatus
EP2070392A2 (de) * 2006-09-14 2009-06-17 Koninklijke Philips Electronics N.V. Sweetspot-manipulation für ein mehrkanalsignal
BRPI0719884B1 (pt) 2006-12-07 2020-10-27 Lg Eletronics Inc método, aparelho e mídia legível por computador para decodificar um sinal de áudio
JP5213339B2 (ja) * 2007-03-12 2013-06-19 アルパイン株式会社 オーディオ装置
US9015051B2 (en) 2007-03-21 2015-04-21 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Reconstruction of audio channels with direction parameters indicating direction of origin
US8908873B2 (en) 2007-03-21 2014-12-09 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Method and apparatus for conversion between multi-channel audio formats
US8290167B2 (en) 2007-03-21 2012-10-16 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Method and apparatus for conversion between multi-channel audio formats
DE102007018032B4 (de) * 2007-04-17 2010-11-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Erzeugung dekorrelierter Signale
KR101464977B1 (ko) * 2007-10-01 2014-11-25 삼성전자주식회사 메모리 관리 방법, 및 멀티 채널 데이터의 복호화 방법 및장치
AU2009275418B9 (en) * 2008-07-31 2014-01-09 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Signal generation for binaural signals
EP2154911A1 (de) 2008-08-13 2010-02-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zur Bestimmung eines räumlichen Mehrkanalausgangsaudiosignals
US20120045065A1 (en) * 2009-04-17 2012-02-23 Pioneer Corporation Surround signal generating device, surround signal generating method and surround signal generating program
KR20120032000A (ko) * 2009-06-05 2012-04-04 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 신호들의 업믹싱
KR20120004909A (ko) * 2010-07-07 2012-01-13 삼성전자주식회사 입체 음향 재생 방법 및 장치
WO2013186344A2 (en) 2012-06-14 2013-12-19 Dolby International Ab Smooth configuration switching for multichannel audio rendering based on a variable number of received channels
EP2956935B1 (de) * 2013-02-14 2017-01-04 Dolby Laboratories Licensing Corporation Steuerung der interkanalkohärenz von aufwärtsgemischten audiosignalen
US9830917B2 (en) 2013-02-14 2017-11-28 Dolby Laboratories Licensing Corporation Methods for audio signal transient detection and decorrelation control
TWI618051B (zh) 2013-02-14 2018-03-11 杜比實驗室特許公司 用於利用估計之空間參數的音頻訊號增強的音頻訊號處理方法及裝置
TWI618050B (zh) * 2013-02-14 2018-03-11 杜比實驗室特許公司 用於音訊處理系統中之訊號去相關的方法及設備
US9679571B2 (en) * 2013-04-10 2017-06-13 Electronics And Telecommunications Research Institute Encoder and encoding method for multi-channel signal, and decoder and decoding method for multi-channel signal
ES2624668T3 (es) 2013-05-24 2017-07-17 Dolby International Ab Codificación y descodificación de objetos de audio
CN112002337A (zh) * 2015-03-03 2020-11-27 杜比实验室特许公司 用于对音频信号进行处理的方法、装置和设备
BR112018014799A2 (pt) 2016-01-22 2018-12-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. aparelho e método para estimativa de uma diferença de tempo entre canais
US9820073B1 (en) 2017-05-10 2017-11-14 Tls Corp. Extracting a common signal from multiple audio signals
GB2569214B (en) 2017-10-13 2021-11-24 Dolby Laboratories Licensing Corp Systems and methods for providing an immersive listening experience in a limited area using a rear sound bar
CN112261545A (zh) * 2019-07-22 2021-01-22 海信视像科技股份有限公司 显示装置
US11523239B2 (en) 2019-07-22 2022-12-06 Hisense Visual Technology Co., Ltd. Display apparatus and method for processing audio

Family Cites Families (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0105457B1 (de) * 1982-09-29 1986-08-13 IMC Acrylguss GmbH Verfahren zum Herstellen von Verbundglas
JPS6344600A (ja) 1986-08-12 1988-02-25 Tosoh Corp グロビンの製造法
JPH057840Y2 (de) * 1986-09-10 1993-02-26
US5222059A (en) * 1988-01-06 1993-06-22 Lucasfilm Ltd. Surround-sound system with motion picture soundtrack timbre correction, surround sound channel timbre correction, defined loudspeaker directionality, and reduced comb-filter effects
US5119422A (en) * 1990-10-01 1992-06-02 Price David A Optimal sonic separator and multi-channel forward imaging system
US5136650A (en) * 1991-01-09 1992-08-04 Lexicon, Inc. Sound reproduction
JPH0772906B2 (ja) * 1991-07-10 1995-08-02 富士ゼロックス株式会社 文書認識装置
DE4236989C2 (de) * 1992-11-02 1994-11-17 Fraunhofer Ges Forschung Verfahren zur Übertragung und/oder Speicherung digitaler Signale mehrerer Kanäle
DE4409368A1 (de) * 1994-03-18 1995-09-21 Fraunhofer Ges Forschung Verfahren zum Codieren mehrerer Audiosignale
US5844993A (en) * 1995-01-25 1998-12-01 Victor Company Of Japan, Ltd. Surround signal processing apparatus
JP2953347B2 (ja) 1995-06-06 1999-09-27 日本ビクター株式会社 サラウンド信号処理装置
US5812971A (en) * 1996-03-22 1998-09-22 Lucent Technologies Inc. Enhanced joint stereo coding method using temporal envelope shaping
US5870480A (en) * 1996-07-19 1999-02-09 Lexicon Multichannel active matrix encoder and decoder with maximum lateral separation
US5796844A (en) * 1996-07-19 1998-08-18 Lexicon Multichannel active matrix sound reproduction with maximum lateral separation
US5917917A (en) * 1996-09-13 1999-06-29 Crystal Semiconductor Corporation Reduced-memory reverberation simulator in a sound synthesizer
US6711266B1 (en) * 1997-02-07 2004-03-23 Bose Corporation Surround sound channel encoding and decoding
AU5109899A (en) 1998-07-17 2000-02-07 Lucasfilm Ltd. Multi-channel audio surround system
US6539357B1 (en) * 1999-04-29 2003-03-25 Agere Systems Inc. Technique for parametric coding of a signal containing information
EP1054575A3 (de) 1999-05-17 2002-09-18 Bose Corporation Richtdekodierer
US7149313B1 (en) * 1999-05-17 2006-12-12 Bose Corporation Audio signal processing
US7382888B2 (en) * 2000-12-12 2008-06-03 Bose Corporation Phase shifting audio signal combining
US7006636B2 (en) * 2002-05-24 2006-02-28 Agere Systems Inc. Coherence-based audio coding and synthesis
US7292901B2 (en) 2002-06-24 2007-11-06 Agere Systems Inc. Hybrid multi-channel/cue coding/decoding of audio signals
US7583805B2 (en) * 2004-02-12 2009-09-01 Agere Systems Inc. Late reverberation-based synthesis of auditory scenes
SE0202159D0 (sv) * 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
DE60311794T2 (de) 2002-04-22 2007-10-31 Koninklijke Philips Electronics N.V. Signalsynthese
US7443987B2 (en) * 2002-05-03 2008-10-28 Harman International Industries, Incorporated Discrete surround audio system for home and automotive listening
JP4187719B2 (ja) * 2002-05-03 2008-11-26 ハーマン インターナショナル インダストリーズ インコーポレイテッド マルチチャネル・ダウンミキシング装置
US7391869B2 (en) * 2002-05-03 2008-06-24 Harman International Industries, Incorporated Base management systems
RU2363116C2 (ru) * 2002-07-12 2009-07-27 Конинклейке Филипс Электроникс Н.В. Аудиокодирование
US7299190B2 (en) * 2002-09-04 2007-11-20 Microsoft Corporation Quantization and inverse quantization for audio
ES2273216T3 (es) * 2003-02-11 2007-05-01 Koninklijke Philips Electronics N.V. Codificacion de audio.
DE602004029872D1 (de) * 2003-03-17 2010-12-16 Koninkl Philips Electronics Nv Verarbeitung von mehrkanalsignalen
US7412380B1 (en) * 2003-12-17 2008-08-12 Creative Technology Ltd. Ambience extraction and modification for enhancement and upmix of audio signals
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
US7460990B2 (en) * 2004-01-23 2008-12-02 Microsoft Corporation Efficient coding of digital media spectral data using wide-sense perceptual similarity
CN1922654A (zh) * 2004-02-17 2007-02-28 皇家飞利浦电子股份有限公司 音频分发系统、音频编码器、音频解码器及其操作方法
ATE527654T1 (de) 2004-03-01 2011-10-15 Dolby Lab Licensing Corp Mehrkanal-audiodecodierung
US7805313B2 (en) * 2004-03-04 2010-09-28 Agere Systems Inc. Frequency-based coding of channels in parametric multi-channel coding systems
CN102122509B (zh) * 2004-04-05 2016-03-23 皇家飞利浦电子股份有限公司 多信道解码器和多信道解码方法
SE0400998D0 (sv) * 2004-04-16 2004-04-16 Cooding Technologies Sweden Ab Method for representing multi-channel audio signals
PL2175671T3 (pl) * 2004-07-14 2012-10-31 Koninl Philips Electronics Nv Sposób, urządzenie, urządzenie kodujące, urządzenie dekodujące i system audio
US7508947B2 (en) * 2004-08-03 2009-03-24 Dolby Laboratories Licensing Corporation Method for combining audio signals using auditory scene analysis
SE0402649D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Advanced methods of creating orthogonal signals
SE0402650D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Improved parametric stereo compatible coding of spatial audio
SE0402652D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Methods for improved performance of prediction based multi- channel reconstruction
US7809580B2 (en) * 2004-11-04 2010-10-05 Koninklijke Philips Electronics N.V. Encoding and decoding of multi-channel audio signals
JP4610650B2 (ja) * 2005-03-30 2011-01-12 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 多チャンネルオーディオ符号化
US7983922B2 (en) * 2005-04-15 2011-07-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for generating multi-channel synthesizer control signal and apparatus and method for multi-channel synthesizing
US7974713B2 (en) * 2005-10-12 2011-07-05 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Temporal and spatial shaping of multi-channel audio signals
KR100866885B1 (ko) * 2005-10-20 2008-11-04 엘지전자 주식회사 멀티채널 오디오 신호의 부호화 및 복호화 방법과 그 장치
JP5133401B2 (ja) * 2007-04-26 2013-01-30 ドルビー・インターナショナル・アクチボラゲット 出力信号の合成装置及び合成方法
TWI516138B (zh) * 2010-08-24 2016-01-01 杜比國際公司 從二聲道音頻訊號決定參數式立體聲參數之系統與方法及其電腦程式產品

Also Published As

Publication number Publication date
JP2008507184A (ja) 2008-03-06
CN101014998B (zh) 2011-02-23
ATE444549T1 (de) 2009-10-15
US20080091436A1 (en) 2008-04-17
KR20120099287A (ko) 2012-09-07
KR101283525B1 (ko) 2013-07-15
BRPI0513255A (pt) 2008-04-29
ES2333137T3 (es) 2010-02-17
CN101014998A (zh) 2007-08-08
BRPI0513255B1 (pt) 2019-06-25
MX2007000391A (es) 2007-06-25
KR101205480B1 (ko) 2012-11-28
JP4989468B2 (ja) 2012-08-01
US8793125B2 (en) 2014-07-29
PL1769491T3 (pl) 2010-03-31
RU2007105501A (ru) 2008-08-20
KR20070042145A (ko) 2007-04-20
EP1769491A1 (de) 2007-04-04
WO2006008697A1 (en) 2006-01-26
RU2391714C2 (ru) 2010-06-10
EP1769491B1 (de) 2009-09-30
WO2006008697A8 (en) 2007-03-15

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