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)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (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)

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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
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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
KR100857118B1 (ko) 2005-10-05 2008-09-05 엘지전자 주식회사 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치
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US7751485B2 (en) * 2005-10-05 2010-07-06 Lg Electronics Inc. Signal processing using pilot based coding
EP1946063A4 (en) * 2005-10-05 2009-08-12 Lg Electronics Inc METHOD AND DEVICE FOR SIGNAL PROCESSING AND CODING AND DECODING METHOD AND DEVICE 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
US7742913B2 (en) * 2005-10-24 2010-06-22 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
CA2645908C (en) 2006-09-29 2013-11-26 Lg Electronics Inc. Methods and apparatuses for encoding and decoding object-based audio signals
KR101434198B1 (ko) * 2006-11-17 2014-08-26 삼성전자주식회사 신호 복호화 방법
US20090210239A1 (en) * 2006-11-24 2009-08-20 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
JP2011504249A (ja) 2007-11-21 2011-02-03 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
KR100970446B1 (ko) * 2007-11-21 2010-07-16 한국전자통신연구원 주파수 확장을 위한 가변 잡음레벨 결정 장치 및 그 방법
US9275648B2 (en) * 2007-12-18 2016-03-01 Lg Electronics Inc. Method and apparatus for processing audio signal using spectral data of 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
CA2777657C (en) * 2009-10-21 2015-09-29 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Reverberator and method for reverberating an audio signal
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
JP5714180B2 (ja) 2011-05-19 2015-05-07 ドルビー ラボラトリーズ ライセンシング コーポレイション パラメトリックオーディオコーディング方式の鑑識検出
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
EP2704142B1 (en) * 2012-08-27 2015-09-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for reproducing an audio signal, apparatus and method for generating a coded audio signal, computer program and coded audio signal
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Also Published As

Publication number Publication date
US20070038439A1 (en) 2007-02-15
EP1621047B1 (en) 2007-04-11
WO2004093494A1 (en) 2004-10-28
JP4597967B2 (ja) 2010-12-15
RU2005135648A (ru) 2006-03-20
DE602004005846D1 (de) 2007-05-24
ATE359687T1 (de) 2007-05-15
DE602004005846T2 (de) 2007-12-20
EP1621047A1 (en) 2006-02-01
BRPI0409327B1 (pt) 2018-02-14
ES2282860T3 (es) 2007-10-16
BRPI0409327A (pt) 2006-04-25
JP2006524002A (ja) 2006-10-19
KR20050121733A (ko) 2005-12-27

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