ATE526797T1 - Verfahren, vorrichtung, kodierer, dekodierer und audiosystem - Google Patents

Verfahren, vorrichtung, kodierer, dekodierer und audiosystem

Info

Publication number
ATE526797T1
ATE526797T1 AT05761091T AT05761091T ATE526797T1 AT E526797 T1 ATE526797 T1 AT E526797T1 AT 05761091 T AT05761091 T AT 05761091T AT 05761091 T AT05761091 T AT 05761091T AT E526797 T1 ATE526797 T1 AT E526797T1
Authority
AT
Austria
Prior art keywords
signal
stereo
modified
energy value
complex function
Prior art date
Application number
AT05761091T
Other languages
English (en)
Inventor
Loon Machiel Van
Dirk Breebaart
Gerard Hotho
Erik Schuijers
Heiko Purnhagen
Karl Roeden
Original Assignee
Koninkl Philips Electronics Nv
Dolby Sweden Ab
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 Koninkl Philips Electronics Nv, Dolby Sweden Ab filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE526797T1 publication Critical patent/ATE526797T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • 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 
    • 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 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
    • 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)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • Multimedia (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Stereophonic System (AREA)
  • Selective Calling Equipment (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
AT05761091T 2004-07-14 2005-07-07 Verfahren, vorrichtung, kodierer, dekodierer und audiosystem ATE526797T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP04103365 2004-07-14
PCT/IB2005/052254 WO2006008683A1 (en) 2004-07-14 2005-07-07 Method, device, encoder apparatus, decoder apparatus and audio system

Publications (1)

Publication Number Publication Date
ATE526797T1 true ATE526797T1 (de) 2011-10-15

Family

ID=35044993

Family Applications (2)

Application Number Title Priority Date Filing Date
AT05761091T ATE526797T1 (de) 2004-07-14 2005-07-07 Verfahren, vorrichtung, kodierer, dekodierer und audiosystem
AT10152627T ATE557552T1 (de) 2004-07-14 2005-07-07 Verfahren, vorrichtung, kodierer, dekodierer und audiosystem

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT10152627T ATE557552T1 (de) 2004-07-14 2005-07-07 Verfahren, vorrichtung, kodierer, dekodierer und audiosystem

Country Status (10)

Country Link
US (2) US8150042B2 (de)
EP (2) EP2175671B1 (de)
JP (2) JP4898673B2 (de)
KR (1) KR101147187B1 (de)
CN (2) CN1985544B (de)
AT (2) ATE526797T1 (de)
ES (2) ES2373728T3 (de)
PL (2) PL1769655T3 (de)
TW (1) TWI462603B (de)
WO (1) WO2006008683A1 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2426917T3 (es) * 2004-04-05 2013-10-25 Koninklijke Philips N.V. Aparato codificador, aparato decodificador, sus métodos y sistema de audio asociado
ES2333137T3 (es) * 2004-07-14 2010-02-17 Koninklijke Philips Electronics N.V. Conversion de canal de audio.
WO2006008683A1 (en) * 2004-07-14 2006-01-26 Koninklijke Philips Electronics N.V. Method, device, encoder apparatus, decoder apparatus and audio system
ES2313646T3 (es) * 2005-03-30 2009-03-01 Koninklijke Philips Electronics N.V. Codificacion y descodificacion de audio.
JP4988716B2 (ja) 2005-05-26 2012-08-01 エルジー エレクトロニクス インコーポレイティド オーディオ信号のデコーディング方法及び装置
WO2006126843A2 (en) * 2005-05-26 2006-11-30 Lg Electronics Inc. Method and apparatus for decoding audio signal
WO2007031896A1 (en) * 2005-09-13 2007-03-22 Koninklijke Philips Electronics N.V. Audio coding
KR100803212B1 (ko) * 2006-01-11 2008-02-14 삼성전자주식회사 스케일러블 채널 복호화 방법 및 장치
WO2007083952A1 (en) * 2006-01-19 2007-07-26 Lg Electronics Inc. Method and apparatus for processing a media signal
US8612238B2 (en) * 2006-02-07 2013-12-17 Lg Electronics, Inc. Apparatus and method for encoding/decoding signal
ATE456261T1 (de) * 2006-02-21 2010-02-15 Koninkl Philips Electronics Nv Audiokodierung und audiodekodierung
RU2427978C2 (ru) * 2006-02-21 2011-08-27 Конинклейке Филипс Электроникс Н.В. Кодирование и декодирование аудио
US8175280B2 (en) 2006-03-24 2012-05-08 Dolby International Ab Generation of spatial downmixes from parametric representations of multi channel signals
ATE527833T1 (de) * 2006-05-04 2011-10-15 Lg Electronics Inc Verbesserung von stereo-audiosignalen mittels neuabmischung
USRE50746E1 (en) * 2006-07-07 2026-01-06 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Concept for combining multiple parametrically coded audio sources
JP5134623B2 (ja) * 2006-07-07 2013-01-30 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ 複数のパラメータ的に符号化された音源を合成するための概念
EP2084901B1 (de) 2006-10-12 2015-12-09 LG Electronics Inc. Vorrichtung zum verarbeiten eines mischsignals und verfahren dafür
KR100891665B1 (ko) 2006-10-13 2009-04-02 엘지전자 주식회사 믹스 신호의 처리 방법 및 장치
KR101100221B1 (ko) 2006-11-15 2011-12-28 엘지전자 주식회사 오디오 신호의 디코딩 방법 및 그 장치
KR101434198B1 (ko) * 2006-11-17 2014-08-26 삼성전자주식회사 신호 복호화 방법
CA2670864C (en) 2006-12-07 2015-09-29 Lg Electronics Inc. A method and an apparatus for processing an audio signal
US8265941B2 (en) 2006-12-07 2012-09-11 Lg Electronics Inc. Method and an apparatus for decoding an audio signal
US8463605B2 (en) 2007-01-05 2013-06-11 Lg Electronics Inc. Method and an apparatus for decoding an audio signal
US8718290B2 (en) 2010-01-26 2014-05-06 Audience, Inc. Adaptive noise reduction using level cues
DE102010015630B3 (de) * 2010-04-20 2011-06-01 Institut für Rundfunktechnik GmbH Verfahren zum Erzeugen eines abwärtskompatiblen Tonformates
US9378754B1 (en) 2010-04-28 2016-06-28 Knowles Electronics, Llc Adaptive spatial classifier for multi-microphone systems
WO2012040897A1 (en) * 2010-09-28 2012-04-05 Huawei Technologies Co., Ltd. Device and method for postprocessing decoded multi-channel audio signal or decoded stereo signal
WO2014020182A2 (en) * 2012-08-03 2014-02-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Decoder and method for a generalized spatial-audio-object-coding parametric concept for multichannel downmix/upmix cases
WO2015049332A1 (de) * 2013-10-02 2015-04-09 Stormingswiss Gmbh Ableitung von multikanalsignalen aus zwei oder mehreren grundsignalen
JP5977313B2 (ja) * 2014-10-31 2016-08-24 住友化学株式会社 偏光板の製造方法
GB2549532A (en) * 2016-04-22 2017-10-25 Nokia Technologies Oy Merging audio signals with spatial metadata

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4409368A1 (de) 1994-03-18 1995-09-21 Fraunhofer Ges Forschung Verfahren zum Codieren mehrerer Audiosignale
US5642423A (en) * 1995-11-22 1997-06-24 Sony Corporation Digital surround sound processor
US5771295A (en) 1995-12-26 1998-06-23 Rocktron Corporation 5-2-5 matrix system
US6198827B1 (en) 1995-12-26 2001-03-06 Rocktron Corporation 5-2-5 Matrix system
US5812971A (en) 1996-03-22 1998-09-22 Lucent Technologies Inc. Enhanced joint stereo coding method using temporal envelope shaping
US6697491B1 (en) * 1996-07-19 2004-02-24 Harman International Industries, Incorporated 5-2-5 matrix encoder and decoder system
US6711266B1 (en) * 1997-02-07 2004-03-23 Bose Corporation Surround sound channel encoding and decoding
US6111958A (en) * 1997-03-21 2000-08-29 Euphonics, Incorporated Audio spatial enhancement apparatus and methods
US6173061B1 (en) * 1997-06-23 2001-01-09 Harman International Industries, Inc. Steering of monaural sources of sound using head related transfer functions
WO2000004744A1 (en) 1998-07-17 2000-01-27 Lucasfilm Ltd. Multi-channel audio surround system
US6463410B1 (en) * 1998-10-13 2002-10-08 Victor Company Of Japan, Ltd. Audio signal processing apparatus
US6539357B1 (en) 1999-04-29 2003-03-25 Agere Systems Inc. Technique for parametric coding of a signal containing information
US7212872B1 (en) 2000-05-10 2007-05-01 Dts, Inc. Discrete multichannel audio with a backward compatible mix
US7292901B2 (en) * 2002-06-24 2007-11-06 Agere Systems Inc. Hybrid multi-channel/cue coding/decoding of audio signals
AU2003264750A1 (en) 2002-05-03 2003-11-17 Harman International Industries, Incorporated Multi-channel downmixing device
JP2003333699A (ja) * 2002-05-10 2003-11-21 Pioneer Electronic Corp マトリックス・サラウンドデコード装置
JP4322207B2 (ja) * 2002-07-12 2009-08-26 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ オーディオ符号化方法
FI118370B (fi) * 2002-11-22 2007-10-15 Nokia Corp Stereolaajennusverkon ulostulon ekvalisointi
WO2005031704A1 (en) * 2003-09-29 2005-04-07 Koninklijke Philips Electronics N.V. Encoding audio signals
ES2426917T3 (es) 2004-04-05 2013-10-25 Koninklijke Philips N.V. Aparato codificador, aparato decodificador, sus métodos y sistema de audio asociado
US8843378B2 (en) * 2004-06-30 2014-09-23 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Multi-channel synthesizer and method for generating a multi-channel output signal
US7391870B2 (en) 2004-07-09 2008-06-24 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E V Apparatus and method for generating a multi-channel output signal
WO2006008683A1 (en) 2004-07-14 2006-01-26 Koninklijke Philips Electronics N.V. Method, device, encoder apparatus, decoder apparatus and audio system
US7573912B2 (en) * 2005-02-22 2009-08-11 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschunng E.V. Near-transparent or transparent multi-channel encoder/decoder scheme
US7751572B2 (en) * 2005-04-15 2010-07-06 Dolby International Ab Adaptive residual audio coding

Also Published As

Publication number Publication date
KR20070039543A (ko) 2007-04-12
KR101147187B1 (ko) 2012-07-09
PL2175671T3 (pl) 2012-10-31
JP5485844B2 (ja) 2014-05-07
EP2175671A3 (de) 2011-01-12
JP4898673B2 (ja) 2012-03-21
US20110058679A1 (en) 2011-03-10
US8150042B2 (en) 2012-04-03
EP1769655B1 (de) 2011-09-28
EP2175671A2 (de) 2010-04-14
TWI462603B (zh) 2014-11-21
TW200628002A (en) 2006-08-01
PL1769655T3 (pl) 2012-05-31
CN102122508A (zh) 2011-07-13
US8144879B2 (en) 2012-03-27
ES2373728T3 (es) 2012-02-08
CN102122508B (zh) 2013-03-13
CN1985544A (zh) 2007-06-20
HK1143481A1 (en) 2010-12-31
EP2175671B1 (de) 2012-05-09
US20070230710A1 (en) 2007-10-04
JP2011039535A (ja) 2011-02-24
CN1985544B (zh) 2010-10-13
JP2008537596A (ja) 2008-09-18
EP1769655A1 (de) 2007-04-04
ES2387256T3 (es) 2012-09-19
WO2006008683A1 (en) 2006-01-26
ATE557552T1 (de) 2012-05-15

Similar Documents

Publication Publication Date Title
ATE526797T1 (de) Verfahren, vorrichtung, kodierer, dekodierer und audiosystem
WO2007028250A3 (en) Method and device for binaural signal enhancement
DE60137389D1 (de) Verfahren zur Bearbeitung von Fernsprachsignalwirkungen in Freisprechsystemen durch akustische Strahlbildung
WO2010105926A3 (en) Advanced stereo coding based on a combination of adaptively selectable left/right or mid/side stereo coding and of parametric stereo coding
MY157169A (en) Apparatus for providing one or more adjusted parameters for a provision of an upmix signal representation on the basis of a downmix signal representation, audio signal decoder, audio signal transcoder, audio signal encoder, audio bitstream, method and computer program using an object-related parametric information
WO2006126855A3 (en) Method and apparatus for decoding audio signal
TW200611588A (en) Method, device and encoder apparatus, decoder apparatus and audio system
EP2458588A3 (de) Verfahren und Vorrichtung zur kodierung und dekodierung von Audiosignalen
WO2006060280A8 (en) Parametric coding of spatial audio with cues based on transmitted channels
ATE456261T1 (de) Audiokodierung und audiodekodierung
MX2010003807A (es) Metodo y aparato para generar una señal de audio binaural.
AU2003225928A1 (en) Method for robust voice recognition by analyzing redundant features of source signal
NO341615B1 (no) Innretning og fremgangsmåte for etterbehandling av spektralverdier, samt koder og dekoder for audiosignaler
ATE416455T1 (de) Verfahren und vorrichtung zum kodieren und dekodieren von mehrkanaltonsignalen
DE602006015682D1 (de) Verfahren und vorrichtung zur erkennung tonaler komponenten von audiosignalen
WO2010085083A3 (en) An apparatus for processing an audio signal and method thereof
WO2014020182A3 (en) Decoder and method for a generalized spatial-audio-object-coding parametric concept for multichannel downmix/upmix cases
ATE339676T1 (de) Verfahren und system zur messung der übertragungsqualität eines systems
ATE218260T1 (de) Vorrichtung und verfahren zur videosignalkodierung
JP2009508175A5 (de)
BRPI0412771A (pt) método e dispositivo para processamento de um sinal áudio estéreo de entrada, e, sistema para reprodução de um sinal áudio estéreo de entrada
DE602004007953D1 (de) System und verfahren zur audiosignalverarbeitung
WO2005004002A3 (fr) Procede de traitement d’une sequence sonore, telle qu’un morceau musical
DK1502475T3 (da) Fremgangsmåde og system til repræsentation af et akustisk felt
AU2003216276A1 (en) Method for modeling speech harmonic magnitudes

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties