PL1869667T3 - Wielokanałowe hierarchiczne kodowanie audio z kompaktową informacją pomocniczą - Google Patents

Wielokanałowe hierarchiczne kodowanie audio z kompaktową informacją pomocniczą

Info

Publication number
PL1869667T3
PL1869667T3 PL06706552T PL06706552T PL1869667T3 PL 1869667 T3 PL1869667 T3 PL 1869667T3 PL 06706552 T PL06706552 T PL 06706552T PL 06706552 T PL06706552 T PL 06706552T PL 1869667 T3 PL1869667 T3 PL 1869667T3
Authority
PL
Poland
Prior art keywords
information
audio coding
compact side
hierarchical audio
channel hierarchical
Prior art date
Application number
PL06706552T
Other languages
English (en)
Inventor
Andreas Hoelzer
Juergen Herre
Jonas Roeden
Heiko Purnhagen
Kristofer Kjoerling
Jonas Engdegard
Jeroen Koninklijke Philips Elec N V Breebaart
Erik Koninklijke Philips Elec N V Schuijers
Werner Koninklijke Philips Elec N V Oomen
Lars Villemoes
Original Assignee
Fraunhofer Ges Forschung
Dolby Int Ab
Koninklijke Philips 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
Application filed by Fraunhofer Ges Forschung, Dolby Int Ab, Koninklijke Philips Nv filed Critical Fraunhofer Ges Forschung
Publication of PL1869667T3 publication Critical patent/PL1869667T3/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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • 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)
  • Mathematical Physics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
PL06706552T 2005-04-15 2006-02-01 Wielokanałowe hierarchiczne kodowanie audio z kompaktową informacją pomocniczą PL1869667T3 (pl)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US67154405P 2005-04-15 2005-04-15
US11/314,711 US7961890B2 (en) 2005-04-15 2005-12-21 Multi-channel hierarchical audio coding with compact side information
EP06706552.4A EP1869667B1 (en) 2005-04-15 2006-02-01 Multi-channel hierarchical audio coding with compact side-information
PCT/EP2006/000875 WO2006108462A1 (en) 2005-04-15 2006-02-01 Multi-channel hierarchical audio coding with compact side-information

Publications (1)

Publication Number Publication Date
PL1869667T3 true PL1869667T3 (pl) 2019-11-29

Family

ID=36190759

Family Applications (1)

Application Number Title Priority Date Filing Date
PL06706552T PL1869667T3 (pl) 2005-04-15 2006-02-01 Wielokanałowe hierarchiczne kodowanie audio z kompaktową informacją pomocniczą

Country Status (12)

Country Link
US (1) US7961890B2 (pl)
EP (1) EP1869667B1 (pl)
JP (1) JP4519919B2 (pl)
KR (1) KR100878367B1 (pl)
CN (1) CN101031959B (pl)
BR (1) BRPI0605865B1 (pl)
ES (1) ES2740104T3 (pl)
MY (1) MY147652A (pl)
PL (1) PL1869667T3 (pl)
RU (1) RU2367033C2 (pl)
TW (1) TWI314840B (pl)
WO (1) WO2006108462A1 (pl)

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RU2577199C2 (ru) * 2009-10-20 2016-03-10 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Устройство для обеспечения представления сигнала повышающего микширования на основе представления сигнала понижающего микширования, устройство для обеспечения битового потока, представляющего многоканальный звуковой сигнал, способы, компьютерная программа и битовый поток, использующий передачу сигналов с контролем искажения
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CN102222505B (zh) * 2010-04-13 2012-12-19 中兴通讯股份有限公司 可分层音频编解码方法系统及瞬态信号可分层编解码方法
JP5533502B2 (ja) * 2010-09-28 2014-06-25 富士通株式会社 オーディオ符号化装置、オーディオ符号化方法及びオーディオ符号化用コンピュータプログラム
EP2464146A1 (en) * 2010-12-10 2012-06-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for decomposing an input signal using a pre-calculated reference curve
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TWI618051B (zh) 2013-02-14 2018-03-11 杜比實驗室特許公司 用於利用估計之空間參數的音頻訊號增強的音頻訊號處理方法及裝置
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PL2992529T3 (pl) * 2014-07-28 2017-03-31 Telefonaktiebolaget Lm Ericsson (Publ) Wyszukiwanie kształtu przez piramidowy kwantyzator wektorowy
EP2980789A1 (en) * 2014-07-30 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for enhancing an audio signal, sound enhancing system
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Also Published As

Publication number Publication date
CN101031959A (zh) 2007-09-05
WO2006108462A1 (en) 2006-10-19
US20060233380A1 (en) 2006-10-19
RU2007104337A (ru) 2008-08-10
MY147652A (en) 2012-12-31
KR100878367B1 (ko) 2009-01-15
BRPI0605865A (pt) 2007-12-18
JP4519919B2 (ja) 2010-08-04
JP2008516275A (ja) 2008-05-15
BRPI0605865B1 (pt) 2019-09-03
TWI314840B (en) 2009-09-11
TW200701822A (en) 2007-01-01
CN101031959B (zh) 2011-06-22
EP1869667A1 (en) 2007-12-26
ES2740104T3 (es) 2020-02-05
US7961890B2 (en) 2011-06-14
KR20070088461A (ko) 2007-08-29
EP1869667B1 (en) 2019-05-08
RU2367033C2 (ru) 2009-09-10

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