PL1618763T3 - Synteza sygnału audio - Google Patents

Synteza sygnału audio

Info

Publication number
PL1618763T3
PL1618763T3 PL04727357T PL04727357T PL1618763T3 PL 1618763 T3 PL1618763 T3 PL 1618763T3 PL 04727357 T PL04727357 T PL 04727357T PL 04727357 T PL04727357 T PL 04727357T PL 1618763 T3 PL1618763 T3 PL 1618763T3
Authority
PL
Poland
Prior art keywords
signal
transformed
sub
band
audio signal
Prior art date
Application number
PL04727357T
Other languages
English (en)
Inventor
Erik G P Schuijers
Middelink Marc W T Klein
Arnoldus W J Oomen
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=33300979&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=PL1618763(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 PL1618763T3 publication Critical patent/PL1618763T3/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
    • G10L19/02—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 using spectral analysis, e.g. transform vocoders or subband vocoders
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • 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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
PL04727357T 2003-04-17 2004-04-14 Synteza sygnału audio PL1618763T3 (pl)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP03076134 2003-04-17
EP03076166 2003-04-18
EP04727357A EP1618763B1 (en) 2003-04-17 2004-04-14 Audio signal synthesis
PCT/IB2004/050436 WO2004093495A1 (en) 2003-04-17 2004-04-14 Audio signal synthesis

Publications (1)

Publication Number Publication Date
PL1618763T3 true PL1618763T3 (pl) 2007-07-31

Family

ID=33300979

Family Applications (1)

Application Number Title Priority Date Filing Date
PL04727357T PL1618763T3 (pl) 2003-04-17 2004-04-14 Synteza sygnału audio

Country Status (12)

Country Link
US (1) US8311809B2 (pl)
EP (1) EP1618763B1 (pl)
JP (1) JP4834539B2 (pl)
KR (2) KR101200776B1 (pl)
CN (2) CN1774956B (pl)
AT (1) ATE355590T1 (pl)
BR (1) BRPI0409337A (pl)
DE (1) DE602004005020T2 (pl)
ES (1) ES2281795T3 (pl)
PL (1) PL1618763T3 (pl)
RU (1) RU2005135650A (pl)
WO (1) WO2004093495A1 (pl)

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EP2186090B1 (en) * 2007-08-27 2016-12-21 Telefonaktiebolaget LM Ericsson (publ) Transient detector and method for supporting encoding of an audio signal
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
MX2010002629A (es) 2007-11-21 2010-06-02 Lg Electronics Inc Metodo y aparato para procesar una señal.
EP2212883B1 (en) * 2007-11-27 2012-06-06 Nokia Corporation An encoder
AU2008339211B2 (en) 2007-12-18 2011-06-23 Lg Electronics Inc. A method and an apparatus for processing an audio signal
JP5302980B2 (ja) * 2008-03-04 2013-10-02 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン 複数の入力データストリームのミキシングのための装置
EP2124486A1 (de) * 2008-05-13 2009-11-25 Clemens Par Winkelabhängig operierende Vorrichtung oder Methodik zur Gewinnung eines pseudostereophonen Audiosignals
PL2301020T3 (pl) * 2008-07-11 2013-06-28 Fraunhofer Ges Forschung Urządzenie i sposób do kodowania/dekodowania sygnału audio z użyciem algorytmu przełączania aliasingu
CN102105930B (zh) * 2008-07-11 2012-10-03 弗朗霍夫应用科学研究促进协会 用于编码采样音频信号的帧的音频编码器和解码器
EP2144230A1 (en) 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Low bitrate audio encoding/decoding scheme having cascaded switches
EP2154911A1 (en) 2008-08-13 2010-02-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. An apparatus for determining a spatial output multi-channel audio signal
JP5555707B2 (ja) * 2008-10-08 2014-07-23 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン マルチ分解能切替型のオーディオ符号化及び復号化スキーム
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US9237870B2 (en) * 2011-10-28 2016-01-19 Koninklijke Philips N.V. Device and method for processing heart sounds for ausculation
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Also Published As

Publication number Publication date
DE602004005020T2 (de) 2007-10-31
ATE355590T1 (de) 2006-03-15
CN1774956A (zh) 2006-05-17
KR20050122267A (ko) 2005-12-28
CN1774957A (zh) 2006-05-17
WO2004093495A1 (en) 2004-10-28
JP2006523859A (ja) 2006-10-19
EP1618763A1 (en) 2006-01-25
RU2005135650A (ru) 2006-03-20
KR101169596B1 (ko) 2012-07-30
US20070112559A1 (en) 2007-05-17
BRPI0409337A (pt) 2006-04-25
KR101200776B1 (ko) 2012-11-13
JP4834539B2 (ja) 2011-12-14
KR20110044281A (ko) 2011-04-28
US8311809B2 (en) 2012-11-13
CN1774956B (zh) 2011-10-05
ES2281795T3 (es) 2007-10-01
DE602004005020D1 (de) 2007-04-12
EP1618763B1 (en) 2007-02-28

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