ATE377339T1 - Audio-kodierung - Google Patents

Audio-kodierung

Info

Publication number
ATE377339T1
ATE377339T1 AT03738406T AT03738406T ATE377339T1 AT E377339 T1 ATE377339 T1 AT E377339T1 AT 03738406 T AT03738406 T AT 03738406T AT 03738406 T AT03738406 T AT 03738406T AT E377339 T1 ATE377339 T1 AT E377339T1
Authority
AT
Austria
Prior art keywords
signal
encoding
encoded
resulting
encoding parameters
Prior art date
Application number
AT03738406T
Other languages
English (en)
Inventor
Dirk Breebaart
Original Assignee
Koninkl Philips Electronics Nv
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=30011202&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE377339(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE377339T1 publication Critical patent/ATE377339T1/de

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Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Multimedia (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Cereal-Derived Products (AREA)
AT03738406T 2002-07-12 2003-06-19 Audio-kodierung ATE377339T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02077866 2002-07-12

Publications (1)

Publication Number Publication Date
ATE377339T1 true ATE377339T1 (de) 2007-11-15

Family

ID=30011202

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03738406T ATE377339T1 (de) 2002-07-12 2003-06-19 Audio-kodierung

Country Status (12)

Country Link
US (2) US7447629B2 (de)
EP (1) EP1523862B1 (de)
JP (1) JP4322207B2 (de)
KR (1) KR100981699B1 (de)
CN (1) CN100539742C (de)
AT (1) ATE377339T1 (de)
AU (1) AU2003244932A1 (de)
BR (2) BR0305434A (de)
DE (1) DE60317203T2 (de)
ES (1) ES2294300T3 (de)
RU (1) RU2363116C2 (de)
WO (1) WO2004008805A1 (de)

Families Citing this family (115)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7116787B2 (en) * 2001-05-04 2006-10-03 Agere Systems Inc. Perceptual synthesis of auditory scenes
US7644003B2 (en) 2001-05-04 2010-01-05 Agere Systems Inc. Cue-based audio coding/decoding
US7583805B2 (en) * 2004-02-12 2009-09-01 Agere Systems Inc. Late reverberation-based synthesis of auditory scenes
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
US7240001B2 (en) 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
KR20050116828A (ko) * 2003-03-24 2005-12-13 코닌클리케 필립스 일렉트로닉스 엔.브이. 다채널 신호를 나타내는 주 및 부 신호의 코딩
US7460990B2 (en) 2004-01-23 2008-12-02 Microsoft Corporation Efficient coding of digital media spectral data using wide-sense perceptual similarity
JP2007528025A (ja) * 2004-02-17 2007-10-04 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 オーディオ配信システム、オーディオエンコーダ、オーディオデコーダ、及びそれらの動作方法
US7805313B2 (en) * 2004-03-04 2010-09-28 Agere Systems Inc. Frequency-based coding of channels in parametric multi-channel coding systems
BRPI0509100B1 (pt) * 2004-04-05 2018-11-06 Koninl Philips Electronics Nv Codificador de multicanal operável para processar sinais de entrada, método paracodificar sinais de entrada em um codificador de multicanal
DK3561810T3 (da) 2004-04-05 2023-05-01 Koninklijke Philips Nv Fremgangsmåde til kodning af venstre og højre audioindgangssignaler, tilsvarende koder, afkoder og computerprogramprodukt
EP1735779B1 (de) * 2004-04-05 2013-06-19 Koninklijke Philips Electronics N.V. Codierer, decodierer, deren verfahren und dazugehöriges audiosystem
MXPA06011361A (es) 2004-04-05 2007-01-16 Koninkl Philips Electronics Nv Codificador de canales multiples.
SE0400998D0 (sv) 2004-04-16 2004-04-16 Cooding Technologies Sweden Ab Method for representing multi-channel audio signals
CA2566366C (en) 2004-05-19 2013-08-06 Matsushita Electric Industrial Co. Ltd. Audio signal encoder and audio signal decoder
EP2175671B1 (de) * 2004-07-14 2012-05-09 Koninklijke Philips Electronics N.V. Verfahren, vorrichtung, kodierer, dekodierer und audiosystem
BRPI0513255B1 (pt) * 2004-07-14 2019-06-25 Koninklijke Philips Electronics N.V. Dispositivo e método para converter um primeiro número de canais de áudio de entrada em um segundo número de canais de áudio de saída, sistema de áudio, e, meio de armazenamento legível por computador
TWI498882B (zh) * 2004-08-25 2015-09-01 Dolby Lab Licensing Corp 音訊解碼器
RU2393552C2 (ru) * 2004-09-17 2010-06-27 Конинклейке Филипс Электроникс Н.В. Комбинированное аудиокодирование, минимизирующее воспринимаемое искажение
DE102004046746B4 (de) * 2004-09-27 2007-03-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zum Synchronisieren von Zusatzdaten und Basisdaten
JP4892184B2 (ja) * 2004-10-14 2012-03-07 パナソニック株式会社 音響信号符号化装置及び音響信号復号装置
US7720230B2 (en) * 2004-10-20 2010-05-18 Agere Systems, Inc. Individual channel shaping for BCC schemes and the like
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
RU2407068C2 (ru) * 2004-11-04 2010-12-20 Конинклейке Филипс Электроникс Н.В. Многоканальное кодирование и декодирование
BRPI0517949B1 (pt) * 2004-11-04 2019-09-03 Koninklijke Philips Nv dispositivo de conversão para converter um sinal dominante, método de conversão de um sinal dominante, e meio não transitório legível por computador
JP5106115B2 (ja) * 2004-11-30 2012-12-26 アギア システムズ インコーポレーテッド オブジェクト・ベースのサイド情報を用いる空間オーディオのパラメトリック・コーディング
US7787631B2 (en) 2004-11-30 2010-08-31 Agere Systems Inc. Parametric coding of spatial audio with cues based on transmitted channels
DE602005017302D1 (de) * 2004-11-30 2009-12-03 Agere Systems Inc Synchronisierung von parametrischer raumtonkodierung mit extern bereitgestelltem downmix
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
US9626973B2 (en) * 2005-02-23 2017-04-18 Telefonaktiebolaget L M Ericsson (Publ) Adaptive bit allocation for multi-channel audio encoding
CN101124740B (zh) * 2005-02-23 2012-05-30 艾利森电话股份有限公司 多声道音频信号编码和解码的方法和装置和音频传送系统
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
KR101315077B1 (ko) 2005-03-30 2013-10-08 코닌클리케 필립스 일렉트로닉스 엔.브이. 멀티-채널 오디오 데이터를 인코딩 및 디코딩하기 위한 방법, 및 인코더들 및 디코더들
MX2007011915A (es) 2005-03-30 2007-11-22 Koninkl Philips Electronics Nv Codificacion de audio multicanal.
KR20130079627A (ko) * 2005-03-30 2013-07-10 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 인코딩 및 디코딩
DE602006000239T2 (de) * 2005-04-19 2008-09-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Energieabhängige quantisierung für effiziente kodierung räumlicher audioparameter
EP1905004A2 (de) 2005-05-26 2008-04-02 LG Electronics Inc. Verfahren zum codieren und decodieren eines audiosignals
WO2006126844A2 (en) 2005-05-26 2006-11-30 Lg Electronics Inc. Method and apparatus for decoding an audio signal
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
EP1913577B1 (de) 2005-06-30 2021-05-05 Lg Electronics Inc. Vorrichtung zum kodieren eines audiosignals und verfahren dafür
WO2007004831A1 (en) 2005-06-30 2007-01-11 Lg Electronics Inc. Method and apparatus for encoding and decoding an audio signal
US8494667B2 (en) 2005-06-30 2013-07-23 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
US8626503B2 (en) 2005-07-14 2014-01-07 Erik Gosuinus Petrus Schuijers Audio encoding and decoding
DE602006007139D1 (de) * 2005-07-14 2009-07-16 Dolby Sweden Ab Audiokodierung und audiodekodierung
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
US8577483B2 (en) 2005-08-30 2013-11-05 Lg Electronics, Inc. Method for decoding an audio signal
KR100880643B1 (ko) 2005-08-30 2009-01-30 엘지전자 주식회사 오디오 신호의 디코딩 방법 및 장치
AU2006285538B2 (en) 2005-08-30 2011-03-24 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
RU2473062C2 (ru) * 2005-08-30 2013-01-20 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способ кодирования и декодирования аудиосигнала и устройство для его осуществления
US7788107B2 (en) 2005-08-30 2010-08-31 Lg Electronics Inc. Method for decoding an audio signal
JP5587551B2 (ja) * 2005-09-13 2014-09-10 コーニンクレッカ フィリップス エヌ ヴェ オーディオ符号化
EP1946295B1 (de) 2005-09-14 2013-11-06 LG Electronics Inc. Verfahren und vorrichtung zum dekodieren eines audiosignals
TWI485698B (zh) * 2005-09-14 2015-05-21 Lg Electronics Inc 音頻訊號之解碼方法及其裝置
KR100878833B1 (ko) 2005-10-05 2009-01-14 엘지전자 주식회사 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치
US7672379B2 (en) 2005-10-05 2010-03-02 Lg Electronics Inc. Audio signal processing, encoding, and decoding
US8068569B2 (en) 2005-10-05 2011-11-29 Lg Electronics, Inc. Method and apparatus for signal processing and encoding and decoding
KR101169281B1 (ko) 2005-10-05 2012-08-02 엘지전자 주식회사 오디오 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩 방법 및 이의 장치
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
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
US7751485B2 (en) 2005-10-05 2010-07-06 Lg Electronics Inc. Signal processing using pilot based coding
US7840401B2 (en) 2005-10-24 2010-11-23 Lg Electronics Inc. Removing time delays in signal paths
KR100888474B1 (ko) * 2005-11-21 2009-03-12 삼성전자주식회사 멀티채널 오디오 신호의 부호화/복호화 장치 및 방법
CN101356573B (zh) * 2006-01-09 2012-01-25 诺基亚公司 对双耳音频信号的解码的控制
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
US8296155B2 (en) 2006-01-19 2012-10-23 Lg Electronics Inc. Method and apparatus for decoding a signal
RU2395854C2 (ru) * 2006-01-19 2010-07-27 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способ и устройство для обработки медиасигнала
WO2007083956A1 (en) 2006-01-19 2007-07-26 Lg Electronics Inc. Method and apparatus for processing a media signal
US7831434B2 (en) * 2006-01-20 2010-11-09 Microsoft Corporation Complex-transform channel coding with extended-band frequency coding
KR100921453B1 (ko) 2006-02-07 2009-10-13 엘지전자 주식회사 부호화/복호화 장치 및 방법
RU2427978C2 (ru) * 2006-02-21 2011-08-27 Конинклейке Филипс Электроникс Н.В. Кодирование и декодирование аудио
ES2391117T3 (es) 2006-02-23 2012-11-21 Lg Electronics Inc. Método y aparato para procesar una señal de audio
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
FR2898725A1 (fr) 2006-03-15 2007-09-21 France Telecom Dispositif et procede de codage gradue d'un signal audio multi-canal selon une analyse en composante principale
CN101401152B (zh) * 2006-03-15 2012-04-18 法国电信公司 通过多通道音频信号的主分量分析进行编码的设备和方法
KR20070098726A (ko) * 2006-03-30 2007-10-05 엘지전자 주식회사 미디어 신호를 부호화/복호화하는 방법 및 장치
EP1999745B1 (de) 2006-03-30 2016-08-31 LG Electronics Inc. Vorrichtungen und verfahren zur verarbeitung eines audiosignals
CN101361122B (zh) * 2006-04-03 2012-12-19 Lg电子株式会社 处理媒体信号的装置及其方法
EP1853092B1 (de) 2006-05-04 2011-10-05 LG Electronics, Inc. Verbesserung von Stereo-Audiosignalen mittels Neuabmischung
US7876904B2 (en) * 2006-07-08 2011-01-25 Nokia Corporation Dynamic decoding of binaural audio signals
KR100763920B1 (ko) 2006-08-09 2007-10-05 삼성전자주식회사 멀티채널 신호를 모노 또는 스테레오 신호로 압축한 입력신호를 2채널의 바이노럴 신호로 복호화하는 방법 및 장치
US20080235006A1 (en) 2006-08-18 2008-09-25 Lg Electronics, Inc. Method and Apparatus for Decoding an Audio Signal
CN101529898B (zh) * 2006-10-12 2014-09-17 Lg电子株式会社 用于处理混合信号的装置及其方法
JP5270557B2 (ja) * 2006-10-16 2013-08-21 ドルビー・インターナショナル・アクチボラゲット 多チャネルダウンミックスされたオブジェクト符号化における強化された符号化及びパラメータ表現
CN101529504B (zh) * 2006-10-16 2012-08-22 弗劳恩霍夫应用研究促进协会 多通道参数转换的装置和方法
EP2102855A4 (de) * 2006-12-07 2010-07-28 Lg Electronics Inc Verfahren und vorrichtung zum decodieren eines audiosignals
WO2008096313A1 (en) * 2007-02-06 2008-08-14 Koninklijke Philips Electronics N.V. Low complexity parametric stereo decoder
KR20080082916A (ko) 2007-03-09 2008-09-12 엘지전자 주식회사 오디오 신호 처리 방법 및 이의 장치
JP5541928B2 (ja) 2007-03-09 2014-07-09 エルジー エレクトロニクス インコーポレイティド オーディオ信号の処理方法及び装置
US8239767B2 (en) * 2007-06-25 2012-08-07 Microsoft Corporation Audio stream management for television content
US7885819B2 (en) 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
CA2699004C (en) 2007-09-06 2014-02-11 Lg Electronics Inc. A method and an apparatus of decoding an audio signal
KR101464977B1 (ko) * 2007-10-01 2014-11-25 삼성전자주식회사 메모리 관리 방법, 및 멀티 채널 데이터의 복호화 방법 및장치
ES2461601T3 (es) * 2007-10-09 2014-05-20 Koninklijke Philips N.V. Procedimiento y aparato para generar una señal de audio binaural
CN101578655B (zh) 2007-10-16 2013-06-05 松下电器产业株式会社 流合成装置、解码装置、方法
RU2486609C2 (ru) * 2008-06-19 2013-06-27 Панасоник Корпорейшн Квантователь, кодер и их способы
US8258849B2 (en) * 2008-09-25 2012-09-04 Lg Electronics Inc. Method and an apparatus for processing a signal
EP2169666B1 (de) * 2008-09-25 2015-07-15 Lg Electronics Inc. Verfahren und Vorrichtung zur Verarbeitung eines Signals
US8346380B2 (en) * 2008-09-25 2013-01-01 Lg Electronics Inc. Method and an apparatus for processing a signal
US20120072207A1 (en) * 2009-06-02 2012-03-22 Panasonic Corporation Down-mixing device, encoder, and method therefor
US20100331048A1 (en) * 2009-06-25 2010-12-30 Qualcomm Incorporated M-s stereo reproduction at a device
TWI433137B (zh) 2009-09-10 2014-04-01 Dolby Int Ab 藉由使用參數立體聲改良調頻立體聲收音機之聲頻信號之設備與方法
EP2464146A1 (de) 2010-12-10 2012-06-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Dekomposition eines Eingabesignals mit einer im Voraus berechneten Bezugskurve
KR20150002784A (ko) * 2012-06-08 2015-01-07 인텔 코포레이션 장기 지연된 에코에 대한 에코 소거 알고리즘
EP2720222A1 (de) * 2012-10-10 2014-04-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur wirksamen Synthese von Sinosoiden und Sweeps durch Verwendung spektraler Muster
EP2830336A3 (de) 2013-07-22 2015-03-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Durch Renderer gesteuerter, räumlicher Upmix
TWI671734B (zh) 2013-09-12 2019-09-11 瑞典商杜比國際公司 在包含三個音訊聲道的多聲道音訊系統中之解碼方法、編碼方法、解碼裝置及編碼裝置、包含用於執行解碼方法及編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、包含解碼裝置及編碼裝置的音訊系統
EP2942981A1 (de) 2014-05-05 2015-11-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. System, Vorrichtung und Verfahren zur konsistenten Wiedergabe einer akustischen Szene auf Basis adaptiver Funktionen
CN105632505B (zh) * 2014-11-28 2019-12-20 北京天籁传音数字技术有限公司 主成分分析pca映射模型的编解码方法及装置
CN107731238B (zh) 2016-08-10 2021-07-16 华为技术有限公司 多声道信号的编码方法和编码器
CN107742521B (zh) 2016-08-10 2021-08-13 华为技术有限公司 多声道信号的编码方法和编码器
MX387555B (es) * 2016-11-08 2025-03-18 Fraunhofer Ges Forschung Mezclador y metodo para mezclar al menos dos canales y codificador multicanal y decodificador multicanal
CN109660933A (zh) * 2019-01-30 2019-04-19 北京视通科技有限公司 一种同时传输多路模拟音频的装置

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3204110A (en) * 1961-07-07 1965-08-31 Masuda Yoshio Ocean wave electric generator
US3250140A (en) * 1964-07-01 1966-05-10 Edward J Russell Power device
DE1963259C3 (de) * 1969-12-17 1978-04-27 Franz Hermle & Sohn, Uhrenfabrik, 7209 Gosheim Permanentmagnet-dynamisch angetriebenes Uhrwerk fur elektronisch gesteuerte Pendeluhren
US4110630A (en) * 1977-04-01 1978-08-29 Hendel Frank J Wave powered electric generator
PT68996A (fr) * 1978-12-29 1979-01-01 Almada Fernando F De Captateur energetique
US4260901A (en) * 1979-02-26 1981-04-07 Woodbridge David D Wave operated electrical generation system
US4423334A (en) * 1979-09-28 1983-12-27 Jacobi Edgar F Wave motion electric generator
JPS6158977A (ja) * 1984-08-30 1986-03-26 Muroran Kogyo Daigaku 波力発電方法と装置
US4700817A (en) * 1985-06-27 1987-10-20 Nippon Kokan Kabushiki Kaisha Dynamic vibration absorber with spring-supported pendulum
DE4236989C2 (de) * 1992-11-02 1994-11-17 Fraunhofer Ges Forschung Verfahren zur Übertragung und/oder Speicherung digitaler Signale mehrerer Kanäle
US5271328A (en) * 1993-01-22 1993-12-21 The United States Of America As Represented By The Secretary Of The Navy Pendulum based power supply for projectiles
JP3064733B2 (ja) 1993-03-30 2000-07-12 寛 松久 振り子型構造物の動吸振器
JP3404837B2 (ja) * 1993-12-07 2003-05-12 ソニー株式会社 多層符号化装置
DE4409368A1 (de) 1994-03-18 1995-09-21 Fraunhofer Ges Forschung Verfahren zum Codieren mehrerer Audiosignale
ATE276607T1 (de) * 1994-04-01 2004-10-15 Sony Corp Verfahren und vorrichtung zum kodieren und dekodieren von nachrichten
EP0688113A2 (de) * 1994-06-13 1995-12-20 Sony Corporation Verfahren und Vorrichtung für die Kodierung und Dekodierung von digitalen Tonsignalen und Vorrichtung zur Aufzeichnung von digitalen Tonsignalen
US5707215A (en) * 1994-11-14 1998-01-13 Hughes Aircraft Company Tuned resonant oscillating mass inflation pump and method of extracting electrical energy therefrom
US5552657A (en) * 1995-02-14 1996-09-03 Ocean Power Technologies, Inc. Generation of electrical energy by weighted, resilient piezoelectric elements
EP0820624A1 (de) * 1995-04-10 1998-01-28 Corporate Computer Systems, Inc. System zur komprimierung und dekomprimierung von tonsignalen für digitale übertragung
US5812971A (en) 1996-03-22 1998-09-22 Lucent Technologies Inc. Enhanced joint stereo coding method using temporal envelope shaping
EP0832519B1 (de) * 1996-04-10 2003-01-29 Philips Electronics N.V. Kodiervorrichtung zum kodieren einer vielzahl von informationssignalen
US5870480A (en) * 1996-07-19 1999-02-09 Lexicon Multichannel active matrix encoder and decoder with maximum lateral separation
JP2000244431A (ja) * 1999-02-23 2000-09-08 Victor Co Of Japan Ltd 音声符号化装置
US6539357B1 (en) * 1999-04-29 2003-03-25 Agere Systems Inc. Technique for parametric coding of a signal containing information
US6442278B1 (en) * 1999-06-15 2002-08-27 Hearing Enhancement Company, Llc Voice-to-remaining audio (VRA) interactive center channel downmix
US7231054B1 (en) * 1999-09-24 2007-06-12 Creative Technology Ltd Method and apparatus for three-dimensional audio display
US7266501B2 (en) * 2000-03-02 2007-09-04 Akiba Electronics Institute Llc Method and apparatus for accommodating primary content audio and secondary content remaining audio capability in the digital audio production process
US7206016B2 (en) * 2000-05-01 2007-04-17 Polycom, Inc. Filtering artifacts from multi-threaded video
ES2461167T3 (es) * 2000-07-19 2014-05-19 Koninklijke Philips N.V. Convertidor estéreo de múltiples canales para derivar una señal envolvente estéreo y/o central de audio
SE527670C2 (sv) * 2003-12-19 2006-05-09 Ericsson Telefon Ab L M Naturtrogenhetsoptimerad kodning med variabel ramlängd
SE0402650D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Improved parametric stereo compatible coding of spatial audio
CN101124740B (zh) * 2005-02-23 2012-05-30 艾利森电话股份有限公司 多声道音频信号编码和解码的方法和装置和音频传送系统
US9626973B2 (en) * 2005-02-23 2017-04-18 Telefonaktiebolaget L M Ericsson (Publ) Adaptive bit allocation for multi-channel audio encoding

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JP4322207B2 (ja) 2009-08-26
AU2003244932A1 (en) 2004-02-02
BR0305434A (pt) 2004-09-28
JP2005533426A (ja) 2005-11-04
EP1523862B1 (de) 2007-10-31
CN100539742C (zh) 2009-09-09
US20060206323A1 (en) 2006-09-14
CN1669359A (zh) 2005-09-14
US20080243520A1 (en) 2008-10-02
US7447629B2 (en) 2008-11-04
DE60317203D1 (de) 2007-12-13
WO2004008805A1 (en) 2004-01-22
KR20050019851A (ko) 2005-03-03
KR100981699B1 (ko) 2010-09-13
BRPI0305434B1 (pt) 2017-06-27
RU2363116C2 (ru) 2009-07-27
EP1523862A1 (de) 2005-04-20
RU2005103637A (ru) 2005-07-10
ES2294300T3 (es) 2008-04-01

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