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DE602004005846D1 - Audiosignalgenerierung - Google Patents

Audiosignalgenerierung

Info

Publication number
DE602004005846D1
DE602004005846D1 DE602004005846T DE602004005846T DE602004005846D1 DE 602004005846 D1 DE602004005846 D1 DE 602004005846D1 DE 602004005846 T DE602004005846 T DE 602004005846T DE 602004005846 T DE602004005846 T DE 602004005846T DE 602004005846 D1 DE602004005846 D1 DE 602004005846D1
Authority
DE
Germany
Prior art keywords
audio signal
input
delayed
signal generation
subband signals
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.)
Expired - Lifetime
Application number
DE602004005846T
Other languages
English (en)
Other versions
DE602004005846T2 (de
Inventor
Erik G Schuijers
Middelink Marc W Klein
De Kerkhof Leon M Van
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
Original Assignee
Koninklijke 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=33300980&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE602004005846(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE602004005846D1 publication Critical patent/DE602004005846D1/de
Application granted granted Critical
Publication of DE602004005846T2 publication Critical patent/DE602004005846T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/007—Two-channel systems in which the audio signals are in digital form
    • 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
    • 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 

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
DE602004005846T 2003-04-17 2004-04-14 Audiosignalgenerierung Expired - Lifetime DE602004005846T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP03076134 2003-04-17
EP03076134 2003-04-17
EP03076280 2003-04-29
EP03076280 2003-04-29
PCT/IB2004/050432 WO2004093494A1 (en) 2003-04-17 2004-04-14 Audio signal generation

Publications (2)

Publication Number Publication Date
DE602004005846D1 true DE602004005846D1 (de) 2007-05-24
DE602004005846T2 DE602004005846T2 (de) 2007-12-20

Family

ID=33300980

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004005846T Expired - Lifetime DE602004005846T2 (de) 2003-04-17 2004-04-14 Audiosignalgenerierung

Country Status (11)

Country Link
US (1) US20070038439A1 (de)
EP (1) EP1621047B1 (de)
JP (1) JP4597967B2 (de)
KR (1) KR20050121733A (de)
AT (1) ATE359687T1 (de)
BR (1) BRPI0409327B1 (de)
DE (1) DE602004005846T2 (de)
ES (1) ES2282860T3 (de)
PL (1) PL1621047T3 (de)
RU (1) RU2005135648A (de)
WO (1) WO2004093494A1 (de)

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AU2006266655B2 (en) * 2005-06-30 2009-08-20 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
US8082157B2 (en) * 2005-06-30 2011-12-20 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
WO2007004186A2 (en) * 2005-07-06 2007-01-11 Koninklijke Philips Electronics N.V. Parametric multi-channel decoding
CA2620627C (en) * 2005-08-30 2011-03-15 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
US7788107B2 (en) * 2005-08-30 2010-08-31 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
JP4859925B2 (ja) * 2005-08-30 2012-01-25 エルジー エレクトロニクス インコーポレイティド オーディオ信号デコーディング方法及びその装置
EP1761110A1 (de) * 2005-09-02 2007-03-07 Ecole Polytechnique Fédérale de Lausanne Methode zur Generation eines Multikanalaudiosignals aus Stereosignalen
US7751485B2 (en) * 2005-10-05 2010-07-06 Lg Electronics Inc. Signal processing using pilot based coding
US7672379B2 (en) 2005-10-05 2010-03-02 Lg Electronics Inc. Audio signal processing, encoding, and decoding
KR100857114B1 (ko) * 2005-10-05 2008-09-08 엘지전자 주식회사 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치
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
JP2009511951A (ja) * 2005-10-05 2009-03-19 エルジー エレクトロニクス インコーポレイティド 信号処理方法及び装置、エンコーディング及びデコーディング方法並びにそのための装置
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
US7840401B2 (en) * 2005-10-24 2010-11-23 Lg Electronics Inc. Removing time delays in signal paths
US7752053B2 (en) * 2006-01-13 2010-07-06 Lg Electronics Inc. Audio signal processing using pilot based coding
CN101401455A (zh) * 2006-03-15 2009-04-01 杜比实验室特许公司 使用子带滤波器的立体声呈现技术
WO2008035949A1 (en) * 2006-09-22 2008-03-27 Samsung Electronics Co., Ltd. Method, medium, and system encoding and/or decoding audio signals by using bandwidth extension and stereo coding
MX2008012315A (es) 2006-09-29 2008-10-10 Lg Electronics Inc Metodos y aparatos para codificar y descodificar señales de audio basados en objeto.
KR101434198B1 (ko) * 2006-11-17 2014-08-26 삼성전자주식회사 신호 복호화 방법
US20090265164A1 (en) * 2006-11-24 2009-10-22 Lg Electronics Inc. Method for Encoding and Decoding Object-Based Audio Signal and Apparatus Thereof
FR2911031B1 (fr) 2006-12-28 2009-04-10 Actimagine Soc Par Actions Sim Procede et dispositif de codage audio
FR2911020B1 (fr) 2006-12-28 2009-05-01 Actimagine Soc Par Actions Sim Procede et dispositif de codage audio
KR101411900B1 (ko) * 2007-05-08 2014-06-26 삼성전자주식회사 오디오 신호의 부호화 및 복호화 방법 및 장치
GB2453117B (en) * 2007-09-25 2012-05-23 Motorola Mobility Inc Apparatus and method for encoding a multi channel audio signal
DE102007048973B4 (de) 2007-10-12 2010-11-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Erzeugen eines Multikanalsignals mit einer Sprachsignalverarbeitung
KR100970446B1 (ko) * 2007-11-21 2010-07-16 한국전자통신연구원 주파수 확장을 위한 가변 잡음레벨 결정 장치 및 그 방법
AU2008326956B2 (en) * 2007-11-21 2011-02-17 Lg Electronics Inc. A method and an apparatus for processing a signal
RU2439720C1 (ru) * 2007-12-18 2012-01-10 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способ и устройство для обработки звукового сигнала
TWI413109B (zh) 2008-10-01 2013-10-21 Dolby Lab Licensing Corp 用於上混系統之解相關器
CN101751926B (zh) * 2008-12-10 2012-07-04 华为技术有限公司 信号编码、解码方法及装置、编解码系统
RU2558004C2 (ru) * 2009-10-21 2015-07-27 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Ревербератор и способ ревербирования звукового сигнала
KR101712101B1 (ko) * 2010-01-28 2017-03-03 삼성전자 주식회사 신호 처리 방법 및 장치
WO2011158485A2 (ja) 2010-06-14 2011-12-22 パナソニック株式会社 オーディオハイブリッド符号化装置およびオーディオハイブリッド復号装置
EP2710588B1 (de) 2011-05-19 2015-09-09 Dolby Laboratories Licensing Corporation Forensischer nachweis von parametrischen audiokodierungschemata
CN102800317B (zh) * 2011-05-25 2014-09-17 华为技术有限公司 信号分类方法及设备、编解码方法及设备
ES2549953T3 (es) * 2012-08-27 2015-11-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aparato y método para la reproducción de una señal de audio, aparato y método para la generación de una señal de audio codificada, programa de ordenador y señal de audio codificada
US20160171987A1 (en) * 2014-12-16 2016-06-16 Psyx Research, Inc. System and method for compressed audio enhancement
CA3211264A1 (en) * 2021-03-11 2022-09-15 Sascha Disch Audio decorrelator, processing system and method for decorrelating an audio signal

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US4039755A (en) * 1976-07-26 1977-08-02 Teledyne, Inc. Auditorium simulator economizes on delay line bandwidth
US4308424A (en) * 1980-04-14 1981-12-29 Bice Jr Robert G Simulated stereo from a monaural source sound reproduction system
US5235646A (en) * 1990-06-15 1993-08-10 Wilde Martin D Method and apparatus for creating de-correlated audio output signals and audio recordings made thereby
JP3127600B2 (ja) * 1992-09-11 2001-01-29 ソニー株式会社 ディジタル信号復号化装置及び方法
JPH09102742A (ja) * 1995-10-05 1997-04-15 Sony Corp 符号化方法および装置、復号化方法および装置、並びに記録媒体
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
DE19632734A1 (de) * 1996-08-14 1998-02-19 Thomson Brandt Gmbh Verfahren und Vorrichtung zum Generieren eines Mehrton-Signals aus einem Mono-Signal
US6035045A (en) * 1996-10-22 2000-03-07 Kabushiki Kaisha Kawai Gakki Seisakusho Sound image localization method and apparatus, delay amount control apparatus, and sound image control apparatus with using delay amount control apparatus
TW369746B (en) * 1996-11-13 1999-09-11 Sanyo Electric Co Surround circuit
SE512719C2 (sv) * 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
DE19900819A1 (de) * 1999-01-12 2000-07-13 Bosch Gmbh Robert Verfahren zum Dekodieren gestörter Funksignale von Mehrkanal-Audiosendungen
US7006636B2 (en) * 2002-05-24 2006-02-28 Agere Systems Inc. Coherence-based audio coding and synthesis

Also Published As

Publication number Publication date
ES2282860T3 (es) 2007-10-16
DE602004005846T2 (de) 2007-12-20
BRPI0409327B1 (pt) 2018-02-14
RU2005135648A (ru) 2006-03-20
WO2004093494A1 (en) 2004-10-28
JP2006524002A (ja) 2006-10-19
EP1621047B1 (de) 2007-04-11
ATE359687T1 (de) 2007-05-15
BRPI0409327A (pt) 2006-04-25
EP1621047A1 (de) 2006-02-01
KR20050121733A (ko) 2005-12-27
PL1621047T3 (pl) 2007-09-28
JP4597967B2 (ja) 2010-12-15
US20070038439A1 (en) 2007-02-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee
8370 Indication related to discontinuation of the patent is to be deleted