PL1621047T3 - Generowanie sygnału audio - Google Patents

Generowanie sygnału audio

Info

Publication number
PL1621047T3
PL1621047T3 PL04727354T PL04727354T PL1621047T3 PL 1621047 T3 PL1621047 T3 PL 1621047T3 PL 04727354 T PL04727354 T PL 04727354T PL 04727354 T PL04727354 T PL 04727354T PL 1621047 T3 PL1621047 T3 PL 1621047T3
Authority
PL
Poland
Prior art keywords
audio signal
input
delayed
signal generation
subband signals
Prior art date
Application number
PL04727354T
Other languages
English (en)
Inventor
Erik G P Schuijers
Middelink Marc W T Klein
De Kerkhof Leon M Van
Original Assignee
Koninl 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=PL1621047(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Koninl Philips Electronics Nv filed Critical Koninl Philips Electronics Nv
Publication of PL1621047T3 publication Critical patent/PL1621047T3/pl

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)
PL04727354T 2003-04-17 2004-04-14 Generowanie sygnału audio PL1621047T3 (pl)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP03076134 2003-04-17
EP03076280 2003-04-29
PCT/IB2004/050432 WO2004093494A1 (en) 2003-04-17 2004-04-14 Audio signal generation
EP04727354A EP1621047B1 (en) 2003-04-17 2004-04-14 Audio signal generation

Publications (1)

Publication Number Publication Date
PL1621047T3 true PL1621047T3 (pl) 2007-09-28

Family

ID=33300980

Family Applications (1)

Application Number Title Priority Date Filing Date
PL04727354T PL1621047T3 (pl) 2003-04-17 2004-04-14 Generowanie sygnału audio

Country Status (11)

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

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE0301273D0 (sv) * 2003-04-30 2003-04-30 Coding Technologies Sweden Ab Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods
JP5118022B2 (ja) * 2005-05-26 2013-01-16 エルジー エレクトロニクス インコーポレイティド オーディオ信号の符号化／復号化方法及び符号化／復号化装置
US8494667B2 (en) * 2005-06-30 2013-07-23 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
US8214221B2 (en) 2005-06-30 2012-07-03 Lg Electronics Inc. Method and apparatus for decoding an audio signal and identifying information included in the audio signal
EP1913576A2 (en) * 2005-06-30 2008-04-23 LG Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
RU2433489C2 (ru) * 2005-07-06 2011-11-10 Конинклейке Филипс Электроникс Н.В. Параметрическое многоканальное декодирование
US7788107B2 (en) * 2005-08-30 2010-08-31 Lg Electronics Inc. Method for decoding an audio signal
JP4568363B2 (ja) * 2005-08-30 2010-10-27 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
CA2620627C (en) * 2005-08-30 2011-03-15 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
US8577483B2 (en) * 2005-08-30 2013-11-05 Lg Electronics, Inc. Method for decoding an audio signal
EP1761110A1 (en) * 2005-09-02 2007-03-07 Ecole Polytechnique Fédérale de Lausanne Method to generate multi-channel audio signals from stereo signals
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
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
WO2007040357A1 (en) * 2005-10-05 2007-04-12 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
KR100878833B1 (ko) * 2005-10-05 2009-01-14 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
EP1994796A1 (en) * 2006-03-15 2008-11-26 Dolby Laboratories Licensing Corporation Binaural rendering using subband filters
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
EP2095365A4 (en) * 2006-11-24 2009-11-18 Lg Electronics Inc METHOD FOR ENCODING AND DECODING AUDIO SIGNALS BASED ON OBJECTS 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
EP2218068A4 (en) 2007-11-21 2010-11-24 Lg Electronics Inc METHOD AND APPARATUS FOR SIGNAL PROCESSING
KR100970446B1 (ko) * 2007-11-21 2010-07-16 한국전자통신연구원 주파수 확장을 위한 가변 잡음레벨 결정 장치 및 그 방법
WO2009078681A1 (en) * 2007-12-18 2009-06-25 Lg Electronics Inc. A method and an apparatus for processing an audio signal
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
CN102667918B (zh) * 2009-10-21 2015-08-12 弗兰霍菲尔运输应用研究公司 用于使音频信号混响的混响器和方法
KR101712101B1 (ko) 2010-01-28 2017-03-03 삼성전자 주식회사 신호 처리 방법 및 장치
JP5882895B2 (ja) 2010-06-14 2016-03-09 パナソニック株式会社 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
US9875756B2 (en) * 2014-12-16 2018-01-23 Psyx Research, Inc. System and method for artifact masking
CA3211264A1 (en) * 2021-03-11 2022-09-15 Sascha Disch Audio decorrelator, processing system and method for decorrelating an audio signal

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5630878B2 (pl) * 1973-08-13 1981-07-17
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
US20070038439A1 (en) 2007-02-15
EP1621047A1 (en) 2006-02-01
JP4597967B2 (ja) 2010-12-15
DE602004005846T2 (de) 2007-12-20
ES2282860T3 (es) 2007-10-16
BRPI0409327A (pt) 2006-04-25
DE602004005846D1 (de) 2007-05-24
EP1621047B1 (en) 2007-04-11
ATE359687T1 (de) 2007-05-15
RU2005135648A (ru) 2006-03-20
JP2006524002A (ja) 2006-10-19
WO2004093494A1 (en) 2004-10-28
KR20050121733A (ko) 2005-12-27
BRPI0409327B1 (pt) 2018-02-14

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