EP2094031A3 - Vorrichtung und Verfahren zum Erzeugen eines codierten Stereo-Signals eines Audiostücks oder Audiodatenstroms - Google Patents

Vorrichtung und Verfahren zum Erzeugen eines codierten Stereo-Signals eines Audiostücks oder Audiodatenstroms Download PDF

Info

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
English (en)
French (fr)
Other versions
EP2094031A2 (de
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/de
Publication of EP2094031A3 publication Critical patent/EP2094031A3/de
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)

Abstract

Eine Vorrichtung zum Erzeugen eines codierten Stereo-Signals aus einer Multikanal-Darstellung umfasst einen Multikanal-Decodierer (11), der aus wenigstens einem Basiskanal und Parameterinformationen drei oder mehr Multi-Kanäle erzeugt. Die drei oder mehr Multi-Kanäle werden Kopfhörer-Signalverarbeitung (12) unterzogen, um einen uncodierten ersten Stereo-Kanal und einen uncodierten zweiten Stereo-Kanal zu erzeugen, welche dann einem Stereo-Codierer (13) zugeführt werden, um ausgangsseitig eine codierte Stereo-Datei zu erzeugen. Die codierte Stereo-Datei kann jedem geeigneten Wiedergabegerät in Form eines CD-Players oder eines Hardware-Players zugeführt werden, sodass ein Benutzer des Wiedergabegeräts nicht nur einen normalen Stereo-Eindruck erhält, sondern einen Multi-Kanal-Eindruck bekommt.
EP09006142.5A 2005-03-04 2006-02-22 Vorrichtung und Verfahren zum Erzeugen eines codierten Stereo-Signals eines Audiostücks oder Audiodatenstroms Ceased EP2094031A3 (de)

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 (de) 2005-03-04 2006-02-22 Vorrichtung und verfahren zum erzeugen eines codierten stereo-signals eines audiostücks oder audiodatenstroms

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP06707184A Division EP1854334B1 (de) 2005-03-04 2006-02-22 Vorrichtung und verfahren zum erzeugen eines codierten stereo-signals eines audiostücks oder audiodatenstroms

Publications (2)

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

Family

ID=36649539

Family Applications (2)

Application Number Title Priority Date Filing Date
EP09006142.5A Ceased EP2094031A3 (de) 2005-03-04 2006-02-22 Vorrichtung und Verfahren zum Erzeugen eines codierten Stereo-Signals eines Audiostücks oder Audiodatenstroms
EP06707184A Expired - Lifetime EP1854334B1 (de) 2005-03-04 2006-02-22 Vorrichtung und verfahren zum erzeugen eines codierten stereo-signals eines audiostücks oder audiodatenstroms

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP06707184A Expired - Lifetime EP1854334B1 (de) 2005-03-04 2006-02-22 Vorrichtung und verfahren zum erzeugen eines codierten stereo-signals eines audiostücks oder audiodatenstroms

Country Status (19)

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

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
JP5728094B2 (ja) 2010-12-03 2015-06-03 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー.ファオ 到来方向推定から幾何学的な情報の抽出による音取得
EP2705516B1 (de) * 2011-05-04 2016-07-06 Nokia Technologies Oy Kodierung von stereophonen signalen
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
RU2660611C2 (ru) * 2013-01-15 2018-07-06 Конинклейке Филипс Н.В. Стереофоническая обработка аудиосигналов
US9973871B2 (en) * 2013-01-17 2018-05-15 Koninklijke Philips N.V. Binaural audio processing with an early part, reverberation, and synchronization
EP2757559A1 (de) 2013-01-22 2014-07-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Codierung räumlicher Audioobjekte mittels versteckter Objekte zur Signalmixmanipulierung
CN108810793B (zh) 2013-04-19 2020-12-15 韩国电子通信研究院 多信道音频信号处理装置及方法
CN108806704B (zh) 2013-04-19 2023-06-06 韩国电子通信研究院 多信道音频信号处理装置及方法
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
KR102244379B1 (ko) 2013-10-21 2021-04-26 돌비 인터네셔널 에이비 오디오 신호들의 파라메트릭 재구성
CN107430861B (zh) * 2015-03-03 2020-10-16 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
EP3067885A1 (de) * 2015-03-09 2016-09-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und verfahren zur verschlüsselung oder entschlüsselung eines mehrkanalsignals
CN111970630B (zh) 2015-08-25 2021-11-02 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 (de) * 2016-02-17 2017-08-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und verfahren zur stereoablage bei mehrkanaliger codierung
US10187740B2 (en) * 2016-09-23 2019-01-22 Apple Inc. Producing headphone driver signals in a digital audio signal processing binaural rendering environment
WO2018073759A1 (en) * 2016-10-19 2018-04-26 Audible Reality Inc. System for and method of generating an audio image
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
CN117730367A (zh) * 2023-10-31 2024-03-19 北京小米移动软件有限公司 分组方法、编码器、解码器以及存储介质

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 (de) * 2005-03-04 2010-03-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und verfahren zum erzeugen eines codierten stereo-signals eines audiostücks oder audiodatenstroms

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.
DE4217276C1 (de) * 1992-05-25 1993-04-08 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung Ev, 8000 Muenchen, De
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 (de) 1992-07-07 2003-05-14 Lake Technology Limited Digitales filter mit hoher genauigkeit und effizienz
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
CN1204692C (zh) * 1996-04-10 2005-06-01 皇家菲利浦电子有限公司 编码若干信息信号的编码装置
DE19721487A1 (de) * 1997-05-23 1998-11-26 Thomson Brandt Gmbh Verfahren und Vorrichtung zur Fehlerverschleierung bei Mehrkanaltonsignalen
EP1025743B1 (de) 1997-09-16 2013-06-19 Dolby Laboratories Licensing Corporation Verwendung von filter-effekten bei stereo-kopfhörern zur verbesserung der räumlichen wahrnehmung einer schallquelle durch einen hörer
KR100598003B1 (ko) * 1998-03-25 2006-07-06 레이크 테크놀로지 리미티드 오디오 신호 처리 방법 및 장치
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
US7116787B2 (en) 2001-05-04 2006-10-03 Agere Systems Inc. Perceptual synthesis of auditory scenes
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
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
ATE332003T1 (de) * 2002-04-22 2006-07-15 Koninkl Philips Electronics Nv Parametrische beschreibung von mehrkanal-audio
KR100522593B1 (ko) 2002-07-08 2005-10-19 삼성전자주식회사 다채널 입체음향 사운드 생성방법 및 장치
AU2003244932A1 (en) * 2002-07-12 2004-02-02 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
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 (de) * 2005-03-04 2010-03-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und verfahren zum erzeugen eines codierten stereo-signals eines audiostücks oder audiodatenstroms

Also Published As

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

Similar Documents

Publication Publication Date Title
IL185452A0 (en) Device and method for generating an enocoded stereo signal of an audio piece or audio datastream
US7573912B2 (en) Near-transparent or transparent multi-channel encoder/decoder scheme
CN101326726B (zh) 对多声道音频信号进行编码/解码的系统和方法
EP2695162B1 (de) Toncodierungsverfahren und system zur erzeugung eines einheitlichen, anhand von decodern mit verschiedenen decodierungsprotokollen decodierbaren bitstroms
PL1866912T3 (pl) Kodowanie wielokanałowego sygnału audio
EP1403854A3 (de) Kodierung und Dekodierung von mehrkanaligen Tonsignalen
WO2013006338A3 (en) System and method for adaptive audio signal generation, coding and rendering
CN104285253B (zh) 具有多个子流的多声道音频信号的有效编码和解码
CA2645863A1 (en) Method for encoding and decoding object-based audio signal and apparatus thereof
BRPI0508146A (pt) codificação baseada na freqüência de canais em sistemas de codificação paramétrica multicanais
ATE424606T1 (de) Individuelle kanaltemporäre enveloppenformung für binaurale hinweiscodierungsverfahren und dergleichen
PT1687809E (pt) Dispositivo e método para gerar um sinal multicanal ou um conjunto de dados paramétricos
MX2008013073A (es) Metodos y aparatos para codificar y decodificar señales de audio basadas en objeto.
WO2007102782A3 (en) Methods and arrangements for audio coding and decoding
TW200746871A (en) Decoding of binaural audio signals
WO2007074401A3 (en) Scalable compressed audio bit stream and codec using a hierarchical filterbank and multichannel joint coding
ZA202213859B (en) Audio decoder, audio encoder, and related methods using joint coding of scale parameters for channels of a multi-channel audio signal
TW200742275A (en) Low bit rate audio encoding and decoding in which multiple channels are represented by fewer channels and auxiliary information
CA2621664A1 (en) Method and apparatus for decoding an audio signal
WO2008132850A1 (ja) ステレオ音声符号化装置、ステレオ音声復号装置、およびこれらの方法
UA114793C2 (uk) Система та спосіб для генерування, кодування та представлення даних адаптивного звукового сигналу
TWI501220B (zh) 嵌入與擷取輔助資料
TW200746045A (en) Method for encoding and decoding multi-channel audio signal and apparatus thereof
TW200705386A (en) Encoder, decoder, method for encoding/decoding, computer readable media and computer program elements
TW200625954A (en) Video playback apparatus and video playback method

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AC Divisional application: reference to earlier application

Ref document number: 1854334

Country of ref document: EP

Kind code of ref document: P

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

RIN1 Information on inventor provided before grant (corrected)

Inventor name: MUNDT, HARALD

Inventor name: POPP, HARALD

Inventor name: PLOGSTIES, JAN

REG Reference to a national code

Ref country code: HK

Ref legal event code: DE

Ref document number: 1135548

Country of ref document: HK

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

RIC1 Information provided on ipc code assigned before grant

Ipc: H04S 3/00 20060101AFI20140826BHEP

Ipc: G10L 19/00 20130101ALI20140826BHEP

17P Request for examination filed

Effective date: 20150323

RBV Designated contracting states (corrected)

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

17Q First examination report despatched

Effective date: 20160404

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED

18R Application refused

Effective date: 20171214

REG Reference to a national code

Ref country code: HK

Ref legal event code: WD

Ref document number: 1135548

Country of ref document: HK