DE602005006385D1 - Vorrichtung und verfahren zum konstruieren eines mehrkanaligen ausgangssignals oder zum erzeugen eines downmix-signals - Google Patents

Vorrichtung und verfahren zum konstruieren eines mehrkanaligen ausgangssignals oder zum erzeugen eines downmix-signals

Info

Publication number
DE602005006385D1
DE602005006385D1 DE602005006385T DE602005006385T DE602005006385D1 DE 602005006385 D1 DE602005006385 D1 DE 602005006385D1 DE 602005006385 T DE602005006385 T DE 602005006385T DE 602005006385 T DE602005006385 T DE 602005006385T DE 602005006385 D1 DE602005006385 D1 DE 602005006385D1
Authority
DE
Germany
Prior art keywords
channel
channels
signal
input
coherence
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
DE602005006385T
Other languages
English (en)
Other versions
DE602005006385T2 (de
Inventor
Juergen Herre
Christof Faller
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 Forderung der Angewandten Forschung eV
Agere Systems LLC
Original Assignee
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Agere Systems LLC
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=34750329&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE602005006385(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV, Agere Systems LLC filed Critical Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Publication of DE602005006385D1 publication Critical patent/DE602005006385D1/de
Application granted granted Critical
Publication of DE602005006385T2 publication Critical patent/DE602005006385T2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Mathematical Physics (AREA)
  • Signal Processing (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • General Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
  • Radio Relay Systems (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Logic Circuits (AREA)
DE602005006385T 2004-01-20 2005-01-17 Vorrichtung und verfahren zum konstruieren eines mehrkanaligen ausgangssignals oder zum erzeugen eines downmix-signals Active DE602005006385T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/762,100 US7394903B2 (en) 2004-01-20 2004-01-20 Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal
US762100 2004-01-20
PCT/EP2005/000408 WO2005069274A1 (en) 2004-01-20 2005-01-17 Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal

Publications (2)

Publication Number Publication Date
DE602005006385D1 true DE602005006385D1 (de) 2008-06-12
DE602005006385T2 DE602005006385T2 (de) 2009-05-28

Family

ID=34750329

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005006385T Active DE602005006385T2 (de) 2004-01-20 2005-01-17 Vorrichtung und verfahren zum konstruieren eines mehrkanaligen ausgangssignals oder zum erzeugen eines downmix-signals

Country Status (17)

Country Link
US (1) US7394903B2 (de)
EP (1) EP1706865B1 (de)
JP (1) JP4574626B2 (de)
KR (1) KR100803344B1 (de)
CN (1) CN1910655B (de)
AT (1) ATE393950T1 (de)
AU (1) AU2005204715B2 (de)
BR (1) BRPI0506533B1 (de)
CA (1) CA2554002C (de)
DE (1) DE602005006385T2 (de)
ES (1) ES2306076T3 (de)
IL (1) IL176776A (de)
MX (1) MXPA06008030A (de)
NO (1) NO337395B1 (de)
PT (1) PT1706865E (de)
RU (1) RU2329548C2 (de)
WO (1) WO2005069274A1 (de)

Families Citing this family (197)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7454257B2 (en) * 2001-02-08 2008-11-18 Warner Music Group Apparatus and method for down converting multichannel programs to dual channel programs using a smart coefficient generator
US7644003B2 (en) 2001-05-04 2010-01-05 Agere Systems Inc. Cue-based audio coding/decoding
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
US7583805B2 (en) * 2004-02-12 2009-09-01 Agere Systems Inc. Late reverberation-based synthesis of auditory scenes
US7292901B2 (en) * 2002-06-24 2007-11-06 Agere Systems Inc. Hybrid multi-channel/cue coding/decoding of audio signals
US7240001B2 (en) 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
US6934677B2 (en) 2001-12-14 2005-08-23 Microsoft Corporation Quantization matrices based on critical band pattern information for digital audio wherein quantization bands differ from critical bands
US7502743B2 (en) * 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
US7447317B2 (en) 2003-10-02 2008-11-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V Compatible multi-channel coding/decoding by weighting the downmix channel
US7929708B2 (en) * 2004-01-12 2011-04-19 Dts, Inc. Audio spatial environment engine
US7460990B2 (en) 2004-01-23 2008-12-02 Microsoft Corporation Efficient coding of digital media spectral data using wide-sense perceptual similarity
US20090299756A1 (en) * 2004-03-01 2009-12-03 Dolby Laboratories Licensing Corporation Ratio of speech to non-speech audio such as for elderly or hearing-impaired listeners
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
EP1735779B1 (de) * 2004-04-05 2013-06-19 Koninklijke Philips Electronics N.V. Codierer, decodierer, deren verfahren und dazugehöriges audiosystem
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
WO2005098825A1 (en) * 2004-04-05 2005-10-20 Koninklijke Philips Electronics N.V. Stereo coding and decoding methods and apparatuses thereof
SE0400997D0 (sv) * 2004-04-16 2004-04-16 Cooding Technologies Sweden Ab Efficient coding of multi-channel audio
SE0400998D0 (sv) * 2004-04-16 2004-04-16 Cooding Technologies Sweden Ab Method for representing multi-channel audio signals
US20050273324A1 (en) * 2004-06-08 2005-12-08 Expamedia, Inc. System for providing audio data and providing method thereof
US8843378B2 (en) * 2004-06-30 2014-09-23 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Multi-channel synthesizer and method for generating a multi-channel output signal
EP1769491B1 (de) * 2004-07-14 2009-09-30 Koninklijke Philips Electronics N.V. Tonkanalkonvertierung
US7508947B2 (en) * 2004-08-03 2009-03-24 Dolby Laboratories Licensing Corporation Method for combining audio signals using auditory scene analysis
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
BRPI0516201A (pt) * 2004-09-28 2008-08-26 Matsushita Electric Ind Co Ltd aparelho de codificação escalonável e método de codificação escalonável
US8204261B2 (en) * 2004-10-20 2012-06-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Diffuse sound shaping for BCC schemes and the like
US7720230B2 (en) * 2004-10-20 2010-05-18 Agere Systems, Inc. Individual channel shaping for BCC schemes and the like
US20060106620A1 (en) * 2004-10-28 2006-05-18 Thompson Jeffrey K Audio spatial environment down-mixer
US20060093164A1 (en) * 2004-10-28 2006-05-04 Neural Audio, Inc. Audio spatial environment engine
US7853022B2 (en) * 2004-10-28 2010-12-14 Thompson Jeffrey K Audio spatial environment engine
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
US7835918B2 (en) * 2004-11-04 2010-11-16 Koninklijke Philips Electronics N.V. Encoding and decoding a set of signals
EP1817767B1 (de) * 2004-11-30 2015-11-11 Agere Systems Inc. Parametrische raumtonkodierung mit objektbasierten nebeninformationen
US7787631B2 (en) * 2004-11-30 2010-08-31 Agere Systems Inc. Parametric coding of spatial audio with cues based on transmitted channels
US7761304B2 (en) * 2004-11-30 2010-07-20 Agere Systems Inc. Synchronizing parametric coding of spatial audio with externally provided downmix
KR100682904B1 (ko) * 2004-12-01 2007-02-15 삼성전자주식회사 공간 정보를 이용한 다채널 오디오 신호 처리 장치 및 방법
US7903824B2 (en) * 2005-01-10 2011-03-08 Agere Systems Inc. Compact side information for parametric coding of spatial audio
EP1691348A1 (de) * 2005-02-14 2006-08-16 Ecole Polytechnique Federale De Lausanne Parametrische kombinierte Kodierung von Audio-Quellen
US7573912B2 (en) * 2005-02-22 2009-08-11 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschunng E.V. Near-transparent or transparent multi-channel encoder/decoder scheme
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
ES2313646T3 (es) * 2005-03-30 2009-03-01 Koninklijke Philips Electronics N.V. Codificacion y descodificacion de audio.
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
RU2007139784A (ru) * 2005-04-28 2009-05-10 Мацусита Электрик Индастриал Ко., Лтд. (Jp) Устройство кодирования звука и способ кодирования звука
JP4988717B2 (ja) 2005-05-26 2012-08-01 エルジー エレクトロニクス インコーポレイティド オーディオ信号のデコーディング方法及び装置
WO2006126843A2 (en) * 2005-05-26 2006-11-30 Lg Electronics Inc. Method and apparatus for decoding audio signal
WO2006126859A2 (en) * 2005-05-26 2006-11-30 Lg Electronics Inc. Method of encoding and decoding an audio signal
AU2006255662B2 (en) * 2005-06-03 2012-08-23 Dolby Laboratories Licensing Corporation Apparatus and method for encoding audio signals with decoding instructions
AU2006266655B2 (en) * 2005-06-30 2009-08-20 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
US8494667B2 (en) * 2005-06-30 2013-07-23 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
EP1908057B1 (de) * 2005-06-30 2012-06-20 LG Electronics Inc. Verfahren und vorrichtung zum decodieren eines audiosignals
US20070055510A1 (en) 2005-07-19 2007-03-08 Johannes Hilpert Concept for bridging the gap between parametric multi-channel audio coding and matrixed-surround multi-channel coding
PL1905006T3 (pl) * 2005-07-19 2014-02-28 Koninl Philips Electronics Nv Generowanie wielokanałowych sygnałów audio
WO2007055464A1 (en) * 2005-08-30 2007-05-18 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
US7987097B2 (en) * 2005-08-30 2011-07-26 Lg Electronics Method for decoding an audio signal
US8577483B2 (en) * 2005-08-30 2013-11-05 Lg Electronics, Inc. Method for decoding an audio signal
US7788107B2 (en) * 2005-08-30 2010-08-31 Lg Electronics Inc. Method for decoding an audio signal
EP1761110A1 (de) * 2005-09-02 2007-03-07 Ecole Polytechnique Fédérale de Lausanne Methode zur Generation eines Multikanalaudiosignals aus Stereosignalen
WO2007026821A1 (ja) * 2005-09-02 2007-03-08 Matsushita Electric Industrial Co., Ltd. エネルギー整形装置及びエネルギー整形方法
KR100857107B1 (ko) 2005-09-14 2008-09-05 엘지전자 주식회사 오디오 신호의 디코딩 방법 및 장치
TWI485698B (zh) * 2005-09-14 2015-05-21 Lg Electronics Inc 音頻訊號之解碼方法及其裝置
JP2009518659A (ja) * 2005-09-27 2009-05-07 エルジー エレクトロニクス インコーポレイティド マルチチャネルオーディオ信号の符号化／復号化方法及び装置
TWI450603B (zh) * 2005-10-04 2014-08-21 Lg Electronics Inc 音頻訊號處理方法及其系統與電腦可讀取媒體
US7696907B2 (en) * 2005-10-05 2010-04-13 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
US7646319B2 (en) * 2005-10-05 2010-01-12 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
KR100857112B1 (ko) * 2005-10-05 2008-09-05 엘지전자 주식회사 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치
EP1952113A4 (de) * 2005-10-05 2009-05-27 Lg Electronics Inc Verfahren und vorrichtung zur signalverarbeitung und codierungs- und decodierungsverfahren und vorrichtung dafür
US7751485B2 (en) * 2005-10-05 2010-07-06 Lg Electronics Inc. Signal processing using pilot based coding
US8068569B2 (en) * 2005-10-05 2011-11-29 Lg Electronics, Inc. Method and apparatus for signal processing and encoding and decoding
US7672379B2 (en) * 2005-10-05 2010-03-02 Lg Electronics Inc. Audio signal processing, encoding, and decoding
CN101278598B (zh) * 2005-10-07 2011-05-25 松下电器产业株式会社 音频信号处理装置以及音频信号处理方法
KR20070041398A (ko) * 2005-10-13 2007-04-18 엘지전자 주식회사 신호 처리 방법 및 신호 처리 장치
US7970072B2 (en) 2005-10-13 2011-06-28 Lg Electronics Inc. Method and apparatus for processing a signal
KR100866885B1 (ko) * 2005-10-20 2008-11-04 엘지전자 주식회사 멀티채널 오디오 신호의 부호화 및 복호화 방법과 그 장치
US7761289B2 (en) 2005-10-24 2010-07-20 Lg Electronics Inc. Removing time delays in signal paths
WO2007049881A1 (en) * 2005-10-26 2007-05-03 Lg Electronics Inc. Method for encoding and decoding multi-channel audio signal and apparatus thereof
US8027485B2 (en) * 2005-11-21 2011-09-27 Broadcom Corporation Multiple channel audio system supporting data channel replacement
KR100644715B1 (ko) * 2005-12-19 2006-11-10 삼성전자주식회사 능동적 오디오 매트릭스 디코딩 방법 및 장치
US8111830B2 (en) * 2005-12-19 2012-02-07 Samsung Electronics Co., Ltd. Method and apparatus to provide active audio matrix decoding based on the positions of speakers and a listener
WO2007080211A1 (en) * 2006-01-09 2007-07-19 Nokia Corporation Decoding of binaural audio signals
KR100803212B1 (ko) * 2006-01-11 2008-02-14 삼성전자주식회사 스케일러블 채널 복호화 방법 및 장치
KR101218776B1 (ko) * 2006-01-11 2013-01-18 삼성전자주식회사 다운믹스된 신호로부터 멀티채널 신호 생성방법 및 그 기록매체
ES2446245T3 (es) * 2006-01-19 2014-03-06 Lg Electronics Inc. Método y aparato para procesar una señal de medios
US8190425B2 (en) * 2006-01-20 2012-05-29 Microsoft Corporation Complex cross-correlation parameters for multi-channel audio
US7831434B2 (en) * 2006-01-20 2010-11-09 Microsoft Corporation Complex-transform channel coding with extended-band frequency coding
US7953604B2 (en) * 2006-01-20 2011-05-31 Microsoft Corporation Shape and scale parameters for extended-band frequency coding
KR101294022B1 (ko) * 2006-02-03 2013-08-08 한국전자통신연구원 공간큐를 이용한 다객체 또는 다채널 오디오 신호의 랜더링제어 방법 및 그 장치
WO2007091845A1 (en) * 2006-02-07 2007-08-16 Lg Electronics Inc. Apparatus and method for encoding/decoding signal
BRPI0707969B1 (pt) 2006-02-21 2020-01-21 Koninklijke Philips Electonics N V codificador de áudio, decodificador de áudio, método de codificação de áudio, receptor para receber um sinal de áudio, transmissor, método para transmitir um fluxo de dados de saída de áudio, e produto de programa de computador
TWI336599B (en) * 2006-02-23 2011-01-21 Lg Electronics Inc Method and apparatus for processing a audio signal
KR100773562B1 (ko) * 2006-03-06 2007-11-07 삼성전자주식회사 스테레오 신호 생성 방법 및 장치
KR100773560B1 (ko) 2006-03-06 2007-11-05 삼성전자주식회사 스테레오 신호 생성 방법 및 장치
CN101411214B (zh) * 2006-03-28 2011-08-10 艾利森电话股份有限公司 用于多信道环绕声音的解码器的方法和装置
US7965848B2 (en) * 2006-03-29 2011-06-21 Dolby International Ab Reduced number of channels decoding
ATE527833T1 (de) * 2006-05-04 2011-10-15 Lg Electronics Inc Verbesserung von stereo-audiosignalen mittels neuabmischung
US8027479B2 (en) * 2006-06-02 2011-09-27 Coding Technologies Ab Binaural multi-channel decoder in the context of non-energy conserving upmix rules
US20090313029A1 (en) * 2006-07-14 2009-12-17 Anyka (Guangzhou) Software Technologiy Co., Ltd. Method And System For Backward Compatible Multi Channel Audio Encoding and Decoding with the Maximum Entropy
KR100763920B1 (ko) * 2006-08-09 2007-10-05 삼성전자주식회사 멀티채널 신호를 모노 또는 스테레오 신호로 압축한 입력신호를 2채널의 바이노럴 신호로 복호화하는 방법 및 장치
EP2070392A2 (de) * 2006-09-14 2009-06-17 Koninklijke Philips Electronics N.V. Sweetspot-manipulation für ein mehrkanalsignal
US20100040135A1 (en) * 2006-09-29 2010-02-18 Lg Electronics Inc. Apparatus for processing mix signal and method thereof
WO2008039043A1 (en) * 2006-09-29 2008-04-03 Lg Electronics Inc. Methods and apparatuses for encoding and decoding object-based audio signals
KR100891666B1 (ko) 2006-09-29 2009-04-02 엘지전자 주식회사 믹스 신호의 처리 방법 및 장치
EP2084901B1 (de) * 2006-10-12 2015-12-09 LG Electronics Inc. Vorrichtung zum verarbeiten eines mischsignals und verfahren dafür
CN101692703B (zh) * 2006-10-30 2012-09-26 深圳创维数字技术股份有限公司 一种实现数字电视中图文电子节目指南信息的方法及装置
BRPI0718614A2 (pt) * 2006-11-15 2014-02-25 Lg Electronics Inc Método e aparelho para decodificar sinal de áudio.
BRPI0719884B1 (pt) 2006-12-07 2020-10-27 Lg Eletronics Inc método, aparelho e mídia legível por computador para decodificar um sinal de áudio
KR101062353B1 (ko) * 2006-12-07 2011-09-05 엘지전자 주식회사 오디오 신호의 디코딩 방법 및 그 장치
US20100121470A1 (en) * 2007-02-13 2010-05-13 Lg Electronics Inc. Method and an apparatus for processing an audio signal
WO2008100067A1 (en) * 2007-02-13 2008-08-21 Lg Electronics Inc. A method and an apparatus for processing an audio signal
CN101622667B (zh) * 2007-03-02 2012-08-15 艾利森电话股份有限公司 用于分层编解码器的后置滤波器
US7933372B2 (en) * 2007-03-08 2011-04-26 Freescale Semiconductor, Inc. Successive interference cancellation based on the number of retransmissions
JP5213339B2 (ja) * 2007-03-12 2013-06-19 アルパイン株式会社 オーディオ装置
GB0705328D0 (en) 2007-03-20 2007-04-25 Skype Ltd Method of transmitting data in a communication system
WO2008153944A1 (en) * 2007-06-08 2008-12-18 Dolby Laboratories Licensing Corporation Hybrid derivation of surround sound audio channels by controllably combining ambience and matrix-decoded signal components
JP5291096B2 (ja) * 2007-06-08 2013-09-18 エルジー エレクトロニクス インコーポレイティド オーディオ信号処理方法及び装置
US8046214B2 (en) * 2007-06-22 2011-10-25 Microsoft Corporation Low complexity decoder for complex transform coding of multi-channel sound
US7885819B2 (en) * 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
KR101464977B1 (ko) * 2007-10-01 2014-11-25 삼성전자주식회사 메모리 관리 방법, 및 멀티 채널 데이터의 복호화 방법 및장치
EP2046076B1 (de) * 2007-10-04 2010-03-03 Antoine-Victor Hurtado-Huyssen Multikanal-Audioverarbeitungssystem und -verfahren
US8170218B2 (en) * 2007-10-04 2012-05-01 Hurtado-Huyssen Antoine-Victor Multi-channel audio treatment system and method
US8249883B2 (en) * 2007-10-26 2012-08-21 Microsoft Corporation Channel extension coding for multi-channel source
KR101438389B1 (ko) * 2007-11-15 2014-09-05 삼성전자주식회사 오디오 매트릭스 디코딩 방법 및 장치
US8548615B2 (en) * 2007-11-27 2013-10-01 Nokia Corporation Encoder
WO2009075510A1 (en) * 2007-12-09 2009-06-18 Lg Electronics Inc. A method and an apparatus for processing a signal
KR101439205B1 (ko) 2007-12-21 2014-09-11 삼성전자주식회사 오디오 매트릭스 인코딩 및 디코딩 방법 및 장치
KR101614160B1 (ko) 2008-07-16 2016-04-20 한국전자통신연구원 포스트 다운믹스 신호를 지원하는 다객체 오디오 부호화 장치 및 복호화 장치
US8867752B2 (en) * 2008-07-30 2014-10-21 Orange Reconstruction of multi-channel audio data
AU2009275418B9 (en) * 2008-07-31 2014-01-09 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Signal generation for binaural signals
AU2015207815B2 (en) * 2008-07-31 2016-10-13 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
TWI559786B (zh) 2008-09-03 2016-11-21 杜比實驗室特許公司 增進多聲道之再生
EP2175670A1 (de) * 2008-10-07 2010-04-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Binaurale Aufbereitung eines Mehrkanal-Audiosignals
JP5522920B2 (ja) * 2008-10-23 2014-06-18 アルパイン株式会社 オーディオ装置及びオーディオ処理方法
BRPI0919880B1 (pt) * 2008-10-29 2020-03-03 Dolby International Ab Método e aparelho para prover proteção contra o ceifamento de sinal de um sinal de áudio derivado de dados de áudio digital e transcodificador
EP2214162A1 (de) 2009-01-28 2010-08-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aufwärtsmischer, Verfahren und Computerprogramm zur Aufwärtsmischung eines Downmix-Tonsignals
ES2452569T3 (es) * 2009-04-08 2014-04-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aparato, procedimiento y programa de computación para mezclar en forma ascendente una señal de audio con mezcla descendente utilizando una suavización de valor fase
US20120045065A1 (en) * 2009-04-17 2012-02-23 Pioneer Corporation Surround signal generating device, surround signal generating method and surround signal generating program
JP2011002574A (ja) * 2009-06-17 2011-01-06 Nippon Hoso Kyokai <Nhk> ３次元音響符号化装置、３次元音響復号装置、符号化プログラム及び復号プログラム
US20100324915A1 (en) * 2009-06-23 2010-12-23 Electronic And Telecommunications Research Institute Encoding and decoding apparatuses for high quality multi-channel audio codec
WO2011000409A1 (en) * 2009-06-30 2011-01-06 Nokia Corporation Positional disambiguation in spatial audio
KR101615262B1 (ko) * 2009-08-12 2016-04-26 삼성전자주식회사 시멘틱 정보를 이용한 멀티 채널 오디오 인코딩 및 디코딩 방법 및 장치
WO2011020065A1 (en) * 2009-08-14 2011-02-17 Srs Labs, Inc. Object-oriented audio streaming system
JP2011048101A (ja) * 2009-08-26 2011-03-10 Renesas Electronics Corp 画素回路および表示装置
JP5345024B2 (ja) * 2009-08-28 2013-11-20 日本放送協会 ３次元音響符号化装置、３次元音響復号装置、符号化プログラム及び復号プログラム
EP2309781A3 (de) * 2009-09-23 2013-12-18 Iosono GmbH Vorrichtung und Verfahren zur Berechnung der Filterkoeffizienten für vordefinierte Lautsprecheranordnung
US8774417B1 (en) 2009-10-05 2014-07-08 Xfrm Incorporated Surround audio compatibility assessment
TWI413110B (zh) * 2009-10-06 2013-10-21 Dolby Int Ab 以選擇性通道解碼的有效多通道信號處理
EP2323130A1 (de) * 2009-11-12 2011-05-18 Koninklijke Philips Electronics N.V. Parametrische Kodierung- und Dekodierung
WO2011071928A2 (en) * 2009-12-07 2011-06-16 Pixel Instruments Corporation Dialogue detector and correction
FR2954640B1 (fr) 2009-12-23 2012-01-20 Arkamys Procede d'optimisation de la reception stereo pour radio analogique et recepteur de radio analogique associe
US8908874B2 (en) 2010-09-08 2014-12-09 Dts, Inc. Spatial audio encoding and reproduction
US20120155650A1 (en) * 2010-12-15 2012-06-21 Harman International Industries, Incorporated Speaker array for virtual surround rendering
RU2595943C2 (ru) * 2011-01-05 2016-08-27 Конинклейке Филипс Электроникс Н.В. Аудиосистема и способ оперирования ею
WO2012122397A1 (en) 2011-03-09 2012-09-13 Srs Labs, Inc. System for dynamically creating and rendering audio objects
EP2523472A1 (de) * 2011-05-13 2012-11-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren und Computerprogramm zur Erzeugung eines Stereoausgabesignals zur Bereitstellung zusätzlicher Ausgabekanäle
RU2559038C1 (ru) 2011-07-04 2015-08-10 Хуавэй Текнолоджиз Ко., Лтд. Радиочастотный модуль, поддерживающий несколько несущих, базовая станция и способ распределения несущих
JP5737077B2 (ja) * 2011-08-30 2015-06-17 富士通株式会社 オーディオ符号化装置、オーディオ符号化方法及びオーディオ符号化用コンピュータプログラム
KR101842257B1 (ko) * 2011-09-14 2018-05-15 삼성전자주식회사 신호 처리 방법, 그에 따른 엔코딩 장치, 및 그에 따른 디코딩 장치
US9183842B2 (en) * 2011-11-08 2015-11-10 Vixs Systems Inc. Transcoder with dynamic audio channel changing
WO2013073810A1 (ko) * 2011-11-14 2013-05-23 한국전자통신연구원 스케일러블 다채널 오디오 신호를 지원하는 부호화 장치 및 복호화 장치, 상기 장치가 수행하는 방법
US8711013B2 (en) * 2012-01-17 2014-04-29 Lsi Corporation Coding circuitry for difference-based data transformation
US9131313B1 (en) * 2012-02-07 2015-09-08 Star Co. System and method for audio reproduction
WO2013192111A1 (en) * 2012-06-19 2013-12-27 Dolby Laboratories Licensing Corporation Rendering and playback of spatial audio using channel-based audio systems
US9363603B1 (en) 2013-02-26 2016-06-07 Xfrm Incorporated Surround audio dialog balance assessment
CN109509478B (zh) 2013-04-05 2023-09-05 杜比国际公司 音频处理装置
CN105264600B (zh) 2013-04-05 2019-06-07 Dts有限责任公司 分层音频编码和传输
US8804971B1 (en) 2013-04-30 2014-08-12 Dolby International Ab Hybrid encoding of higher frequency and downmixed low frequency content of multichannel audio
JP6192813B2 (ja) 2013-05-24 2017-09-06 ドルビー・インターナショナル・アーベー オーディオ・オブジェクトを含むオーディオ・シーンの効率的な符号化
MY178342A (en) 2013-05-24 2020-10-08 Dolby Int Ab Coding of audio scenes
ES2624668T3 (es) 2013-05-24 2017-07-17 Dolby International Ab Codificación y descodificación de objetos de audio
ES2640815T3 (es) 2013-05-24 2017-11-06 Dolby International Ab Codificación eficiente de escenas de audio que comprenden objetos de audio
WO2014187989A2 (en) 2013-05-24 2014-11-27 Dolby International Ab Reconstruction of audio scenes from a downmix
EP2830332A3 (de) * 2013-07-22 2015-03-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren, Signalverarbeitungseinheit und Computerprogramm zur Zuordnung von Eingabekanälen einer Eingangskanalkonfiguration an Ausgabekanäle einer Ausgabekanalkonfiguration
EP2830052A1 (de) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiodecodierer, Audiocodierer, Verfahren zur Bereitstellung von mindestens vier Audiokanalsignalen auf Basis einer codierten Darstellung, Verfahren zur Bereitstellung einer codierten Darstellung auf Basis von mindestens vier Audiokanalsignalen und Computerprogramm mit Bandbreitenerweiterung
EP2830053A1 (de) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Mehrkanaliger Audiodecodierer, mehrkanaliger Audiocodierer, Verfahren und Computerprogramm mit restsignalbasierter Anpassung einer Beteiligung eines dekorrelierten Signals
EP2854133A1 (de) * 2013-09-27 2015-04-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Erzeugung eines Abwärtsmischsignals
KR20160072131A (ko) * 2013-10-02 2016-06-22 슈트로밍스위스 게엠베하 다채널 신호의 다운믹스 및 다운믹스 신호의 업믹스 방법 및 장치
SG11201602628TA (en) 2013-10-21 2016-05-30 Dolby Int Ab Decorrelator structure for parametric reconstruction of audio signals
CN111179955B (zh) 2014-01-08 2024-04-09 杜比国际公司 包括编码hoa表示的位流的解码方法和装置、以及介质
RU2648632C2 (ru) 2014-01-13 2018-03-26 Нокиа Текнолоджиз Ой Классификатор многоканального звукового сигнала
WO2015150384A1 (en) 2014-04-01 2015-10-08 Dolby International Ab Efficient coding of audio scenes comprising audio objects
EP2980789A1 (de) * 2014-07-30 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Verbesserung eines Audiosignals, Tonverbesserungssystem
KR102486338B1 (ko) * 2014-10-31 2023-01-10 돌비 인터네셔널 에이비 멀티채널 오디오 신호의 파라메트릭 인코딩 및 디코딩
US9691408B2 (en) * 2014-12-16 2017-06-27 Psyx Research, Inc. System and method for dynamic equalization of audio data
EP3107097B1 (de) * 2015-06-17 2017-11-15 Nxp B.V. Verbesserte sprachverständlichkeit
AU2015413301B2 (en) * 2015-10-27 2021-04-15 Ambidio, Inc. Apparatus and method for sound stage enhancement
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
GB201718341D0 (en) * 2017-11-06 2017-12-20 Nokia Technologies Oy Determination of targeted spatial audio parameters and associated spatial audio playback
GB2572650A (en) 2018-04-06 2019-10-09 Nokia Technologies Oy Spatial audio parameters and associated spatial audio playback
GB2574239A (en) 2018-05-31 2019-12-04 Nokia Technologies Oy Signalling of spatial audio parameters
DE102018127071B3 (de) 2018-10-30 2020-01-09 Harman Becker Automotive Systems Gmbh Audiosignalverarbeitung mit akustischer Echounterdrückung
US11356791B2 (en) * 2018-12-27 2022-06-07 Gilberto Torres Ayala Vector audio panning and playback system
CN111615044B (zh) * 2019-02-25 2021-09-14 宏碁股份有限公司 声音信号的能量分布修正方法及其系统

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2165370T3 (es) * 1993-06-22 2002-03-16 Thomson Brandt Gmbh Metodo para obtener una matriz decodificadora multicanal.
DE4409368A1 (de) * 1994-03-18 1995-09-21 Fraunhofer Ges Forschung Verfahren zum Codieren mehrerer Audiosignale
US5912976A (en) * 1996-11-07 1999-06-15 Srs Labs, Inc. Multi-channel audio enhancement system for use in recording and playback and methods for providing same
JP4478220B2 (ja) * 1997-05-29 2010-06-09 ソニー株式会社 音場補正回路
JP3657120B2 (ja) * 1998-07-30 2005-06-08 株式会社アーニス・サウンド・テクノロジーズ 左，右両耳用のオーディオ信号を音像定位させるための処理方法
JP2000214887A (ja) * 1998-11-16 2000-08-04 Victor Co Of Japan Ltd 音声符号化装置、光記録媒体、音声復号装置、音声伝送方法及び伝送媒体
JP2002175097A (ja) * 2000-12-06 2002-06-21 Yamaha Corp 音声信号のエンコード／圧縮装置およびデコード／伸長装置
CA2437764C (en) * 2001-02-07 2012-04-10 Dolby Laboratories Licensing Corporation Audio channel translation
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
US7292901B2 (en) * 2002-06-24 2007-11-06 Agere Systems Inc. Hybrid multi-channel/cue coding/decoding of audio signals
US20030035553A1 (en) * 2001-08-10 2003-02-20 Frank Baumgarte Backwards-compatible perceptual coding of spatial cues
KR100752482B1 (ko) * 2001-07-07 2007-08-28 엘지전자 주식회사 멀티채널 스트림 기록 재생장치 및 방법
SE0202159D0 (sv) * 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
TW569551B (en) * 2001-09-25 2004-01-01 Roger Wallace Dressler Method and apparatus for multichannel logic matrix decoding
WO2003090207A1 (en) 2002-04-22 2003-10-30 Koninklijke Philips Electronics N.V. Parametric multi-channel audio representation
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
JP2003333699A (ja) * 2002-05-10 2003-11-21 Pioneer Electronic Corp マトリックス・サラウンドデコード装置
KR20040043743A (ko) * 2002-11-19 2004-05-27 주식회사 디지털앤디지털 멀티채널 검색장치와 방법
US7447317B2 (en) * 2003-10-02 2008-11-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V Compatible multi-channel coding/decoding by weighting the downmix channel
KR100663729B1 (ko) * 2004-07-09 2007-01-02 한국전자통신연구원 가상 음원 위치 정보를 이용한 멀티채널 오디오 신호부호화 및 복호화 방법 및 장치

Also Published As

Publication number Publication date
KR100803344B1 (ko) 2008-02-13
DE602005006385T2 (de) 2009-05-28
PT1706865E (pt) 2008-08-12
MXPA06008030A (es) 2007-03-07
NO337395B1 (no) 2016-04-04
WO2005069274A1 (en) 2005-07-28
US7394903B2 (en) 2008-07-01
ATE393950T1 (de) 2008-05-15
CA2554002A1 (en) 2005-07-28
IL176776A (en) 2010-11-30
CN1910655B (zh) 2010-11-10
BRPI0506533B1 (pt) 2018-11-06
US20050157883A1 (en) 2005-07-21
JP4574626B2 (ja) 2010-11-04
CA2554002C (en) 2013-12-03
NO20063722L (no) 2006-10-19
CN1910655A (zh) 2007-02-07
RU2006129940A (ru) 2008-02-27
BRPI0506533A (pt) 2007-02-27
RU2329548C2 (ru) 2008-07-20
EP1706865B1 (de) 2008-04-30
EP1706865A1 (de) 2006-10-04
AU2005204715A1 (en) 2005-07-28
JP2007519349A (ja) 2007-07-12
AU2005204715B2 (en) 2008-08-21
ES2306076T3 (es) 2008-11-01
IL176776A0 (en) 2008-03-20
KR20060132867A (ko) 2006-12-22

Similar Documents

Publication Publication Date Title
DE602005006385D1 (de) Vorrichtung und verfahren zum konstruieren eines mehrkanaligen ausgangssignals oder zum erzeugen eines downmix-signals
US20080249769A1 (en) Method and Apparatus for Determining Audio Spatial Quality
CN102117617B (zh) 音频空间环境引擎
EP1979900B1 (de) Vorrichtung zur schätzung der tonqualität eines audio-codecs bei mehrkanal und verfahren dafür
KR101670313B1 (ko) 음원 분리를 위해 자동적으로 문턱치를 선택하는 신호 분리 시스템 및 방법
MY179136A (en) Apparatus and method for multichannel direct-ambient decomposition for audio signal processing
BRPI0512763A (pt) equipamento e método para gerar um sinal de saìda multicanais
TWI590229B (zh) 用於輸入信號之直接、擴散分解的方法及設備
ES2673319T3 (es) Control de coherencia de fase para señales armónicas en códecs de audio perceptual
DE502005000864D1 (de) Vorrichtung und verfahren zum verarbeiten eines multikanalsignals
KR20130133016A (ko) 잔향의 지각 레벨에 대한 측정을 결정하는 장치 및 방법, 신호 처리를 위한 오디오 프로세서 및 방법
US11668600B2 (en) Device and method for adaptation of virtual 3D audio to a real room
TW200636676A (en) Method for representing multi-channel audio signals
WO2016011288A1 (en) System and method for calibration and reproduction of audio signals based on auditory feedback
Völk Inter-and intra-individual variability in the blocked auditory canal transfer functions of three circum-aural headphones
Delgado et al. Objective assessment of spatial audio quality using directional loudness maps
Ma et al. Partial loudness in multitrack mixing
Van Wijngaarden et al. THE SPEECH TRANSMISSION INDEX AFTER FOUR DECADES OF DEVELOPMENT.
Zhu et al. Comparisons between simulated and in-situ measured speech intelligibility based on (binaural) room impulse responses
Takanen et al. A binaural auditory model for the evaluation of reproduced stereophonic sound
ATE554479T1 (de) Vorrichtung und verfahren zum übertragen oder wiederabspielen eines mehrkanal-audiosignals
EP3718476A1 (de) Systeme und verfahren zur beurteilung der hörgesundheit
Brachmanski Experimental comparison between speech transmission index (STI) and mean opinion scores (MOS) in rooms
Grebin et al. Methods of quality control of phonograms during restoration and recovery
Zhu et al. Relative Contribution of Frequency and Parameter Values to Selectivity for Interaural Correlation

Legal Events

Date Code Title Description
8364 No opposition during term of opposition