ATE359687T1 - Audiosignalgenerierung - Google Patents

Audiosignalgenerierung

Info

Publication number
ATE359687T1
ATE359687T1 AT04727354T AT04727354T ATE359687T1 AT E359687 T1 ATE359687 T1 AT E359687T1 AT 04727354 T AT04727354 T AT 04727354T AT 04727354 T AT04727354 T AT 04727354T AT E359687 T1 ATE359687 T1 AT E359687T1
Authority
AT
Austria
Prior art keywords
audio signal
input
delayed
signal generation
subband signals
Prior art date
Application number
AT04727354T
Other languages
English (en)
Inventor
Erik G P Schuijers
Middelink Marc W T Klein
De Kerkhof Leon M Van
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=33300980&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE359687(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 ATE359687T1 publication Critical patent/ATE359687T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • 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

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)
  • Stereo-Broadcasting Methods (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
AT04727354T 2003-04-17 2004-04-14 Audiosignalgenerierung ATE359687T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP03076134 2003-04-17
EP03076280 2003-04-29

Publications (1)

Publication Number Publication Date
ATE359687T1 true ATE359687T1 (de) 2007-05-15

Family

ID=33300980

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04727354T ATE359687T1 (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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WO2007004828A2 (en) * 2005-06-30 2007-01-11 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
US8185403B2 (en) * 2005-06-30 2012-05-22 Lg Electronics Inc. Method and apparatus for encoding and decoding an audio signal
RU2433489C2 (ru) * 2005-07-06 2011-11-10 Конинклейке Филипс Электроникс Н.В. Параметрическое многоканальное декодирование
US8577483B2 (en) * 2005-08-30 2013-11-05 Lg Electronics, Inc. Method for decoding an audio signal
JP5173811B2 (ja) * 2005-08-30 2013-04-03 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
ATE455348T1 (de) * 2005-08-30 2010-01-15 Lg Electronics Inc Vorrichtung und verfahren zur dekodierung eines audiosignals
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
BRPI0616945A2 (pt) * 2005-10-05 2011-07-05 Lg Eletronics Inc método e aparelho para processamento de sinal
US7751485B2 (en) * 2005-10-05 2010-07-06 Lg Electronics Inc. Signal processing using pilot based coding
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
US7672379B2 (en) 2005-10-05 2010-03-02 Lg Electronics Inc. Audio signal processing, encoding, and decoding
KR100857118B1 (ko) 2005-10-05 2008-09-05 엘지전자 주식회사 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치
US7716043B2 (en) * 2005-10-24 2010-05-11 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
KR20090013178A (ko) 2006-09-29 2009-02-04 엘지전자 주식회사 오브젝트 기반 오디오 신호를 인코딩 및 디코딩하는 방법 및 장치
KR101434198B1 (ko) * 2006-11-17 2014-08-26 삼성전자주식회사 신호 복호화 방법
WO2008063035A1 (en) * 2006-11-24 2008-05-29 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
CN101836250B (zh) * 2007-11-21 2012-11-28 Lg电子株式会社 用于处理信号的方法及装置
KR100970446B1 (ko) * 2007-11-21 2010-07-16 한국전자통신연구원 주파수 확장을 위한 가변 잡음레벨 결정 장치 및 그 방법
KR20100086000A (ko) * 2007-12-18 2010-07-29 엘지전자 주식회사 오디오 신호 처리 방법 및 장치
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***
EP2478519B1 (de) 2009-10-21 2013-02-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Nachhallgerät und verfahren zum bereitstellen eines tonsignals mit nachhalleffekt
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
WO2012158333A1 (en) 2011-05-19 2012-11-22 Dolby Laboratories Licensing Corporation Forensic detection of parametric audio coding schemes
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
US20160173808A1 (en) * 2014-12-16 2016-06-16 Psyx Research, Inc. System and method for level control at a receiver

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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
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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
BRPI0409327A (pt) 2006-04-25
US20070038439A1 (en) 2007-02-15
BRPI0409327B1 (pt) 2018-02-14
DE602004005846T2 (de) 2007-12-20
KR20050121733A (ko) 2005-12-27
RU2005135648A (ru) 2006-03-20
DE602004005846D1 (de) 2007-05-24
JP2006524002A (ja) 2006-10-19
JP4597967B2 (ja) 2010-12-15
EP1621047B1 (de) 2007-04-11
ES2282860T3 (es) 2007-10-16
WO2004093494A1 (en) 2004-10-28
EP1621047A1 (de) 2006-02-01
PL1621047T3 (pl) 2007-09-28

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