ATE557552T1 - Verfahren, vorrichtung, kodierer, dekodierer und audiosystem - Google Patents

Verfahren, vorrichtung, kodierer, dekodierer und audiosystem

Info

Publication number
ATE557552T1
ATE557552T1 AT10152627T AT10152627T ATE557552T1 AT E557552 T1 ATE557552 T1 AT E557552T1 AT 10152627 T AT10152627 T AT 10152627T AT 10152627 T AT10152627 T AT 10152627T AT E557552 T1 ATE557552 T1 AT E557552T1
Authority
AT
Austria
Prior art keywords
signal
stereo
modified
energy value
complex function
Prior art date
Application number
AT10152627T
Other languages
English (en)
Inventor
Loon Machiel W Van
Dirk J Breebart
Gerard H Hotho
Erik G P Schuiers
Heiko Purnhagen
Karl J Roeden
Original Assignee
Koninkl Philips Electronics Nv
Dolby Int 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 Int Ab filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE557552T1 publication Critical patent/ATE557552T1/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)
AT10152627T 2004-07-14 2005-07-07 Verfahren, vorrichtung, kodierer, dekodierer und audiosystem ATE557552T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04103365 2004-07-14

Publications (1)

Publication Number Publication Date
ATE557552T1 true ATE557552T1 (de) 2012-05-15

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 Before (1)

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

Country Status (11)

Country Link
US (2) US8150042B2 (de)
EP (2) EP2175671B1 (de)
JP (2) JP4898673B2 (de)
KR (1) KR101147187B1 (de)
CN (2) CN102122508B (de)
AT (2) ATE526797T1 (de)
ES (2) ES2373728T3 (de)
HK (1) HK1143481A1 (de)
PL (2) PL2175671T3 (de)
TW (1) TWI462603B (de)
WO (1) WO2006008683A1 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101183862B1 (ko) * 2004-04-05 2012-09-20 코닌클리케 필립스 일렉트로닉스 엔.브이. 스테레오 신호를 처리하기 위한 방법 및 디바이스, 인코더 장치, 디코더 장치 및 오디오 시스템
EP1769491B1 (de) * 2004-07-14 2009-09-30 Koninklijke Philips Electronics N.V. Tonkanalkonvertierung
ES2373728T3 (es) * 2004-07-14 2012-02-08 Koninklijke Philips Electronics N.V. Método, dispositivo, aparato codificador, aparato decodificador y sistema de audio.
MX2007011995A (es) * 2005-03-30 2007-12-07 Koninkl Philips Electronics Nv Codificacion y decodificacion de audio.
JP4988717B2 (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
CN101263742B (zh) * 2005-09-13 2014-12-17 皇家飞利浦电子股份有限公司 音频编码
KR100803212B1 (ko) * 2006-01-11 2008-02-14 삼성전자주식회사 스케일러블 채널 복호화 방법 및 장치
US8411869B2 (en) * 2006-01-19 2013-04-02 Lg Electronics Inc. Method and apparatus for processing a media signal
KR100878816B1 (ko) * 2006-02-07 2009-01-14 엘지전자 주식회사 부호화/복호화 장치 및 방법
DE602007004451D1 (de) 2006-02-21 2010-03-11 Koninkl Philips Electronics Nv Audiokodierung und audiodekodierung
ATE532350T1 (de) 2006-03-24 2011-11-15 Dolby Sweden Ab Erzeugung räumlicher heruntermischungen aus parametrischen darstellungen mehrkanaliger signale
ATE527833T1 (de) * 2006-05-04 2011-10-15 Lg Electronics Inc Verbesserung von stereo-audiosignalen mittels neuabmischung
ES2380059T3 (es) * 2006-07-07 2012-05-08 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aparato y método para combinar múltiples fuentes de audio codificadas paramétricamente
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
EP2092516A4 (de) 2006-11-15 2010-01-13 Lg Electronics Inc Verfahren und vorrichtung zum decodieren eines audiosignals
KR101434198B1 (ko) * 2006-11-17 2014-08-26 삼성전자주식회사 신호 복호화 방법
US8265941B2 (en) 2006-12-07 2012-09-11 Lg Electronics Inc. Method and an apparatus for decoding an audio signal
KR101111520B1 (ko) 2006-12-07 2012-05-24 엘지전자 주식회사 오디오 처리 방법 및 장치
CN101578656A (zh) 2007-01-05 2009-11-11 Lg电子株式会社 用于处理音频信号的装置和方法
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
JP6133422B2 (ja) * 2012-08-03 2017-05-24 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 マルチチャネルをダウンミックス／アップミックスする場合のため一般化された空間オーディオオブジェクト符号化パラメトリック概念のデコーダおよび方法
US20160269846A1 (en) * 2013-10-02 2016-09-15 Stormingswiss Gmbh Derivation of multichannel signals from two or more basic signals
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
AU5109899A (en) 1998-07-17 2000-02-07 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
KR100635022B1 (ko) 2002-05-03 2006-10-16 하만인터내셔날인더스트리스인코포레이티드 다채널 다운믹싱 장치
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
AU2003244932A1 (en) * 2002-07-12 2004-02-02 Koninklijke Philips Electronics N.V. Audio coding
FI118370B (fi) * 2002-11-22 2007-10-15 Nokia Corp Stereolaajennusverkon ulostulon ekvalisointi
US7720231B2 (en) * 2003-09-29 2010-05-18 Koninklijke Philips Electronics N.V. Encoding audio signals
KR101183862B1 (ko) 2004-04-05 2012-09-20 코닌클리케 필립스 일렉트로닉스 엔.브이. 스테레오 신호를 처리하기 위한 방법 및 디바이스, 인코더 장치, 디코더 장치 및 오디오 시스템
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
ES2373728T3 (es) * 2004-07-14 2012-02-08 Koninklijke Philips Electronics N.V. Método, dispositivo, aparato codificador, aparato decodificador y sistema de audio.
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
WO2006008683A1 (en) 2006-01-26
JP2011039535A (ja) 2011-02-24
EP2175671B1 (de) 2012-05-09
CN102122508A (zh) 2011-07-13
US20070230710A1 (en) 2007-10-04
CN1985544A (zh) 2007-06-20
EP2175671A2 (de) 2010-04-14
US20110058679A1 (en) 2011-03-10
JP2008537596A (ja) 2008-09-18
KR20070039543A (ko) 2007-04-12
CN102122508B (zh) 2013-03-13
KR101147187B1 (ko) 2012-07-09
CN1985544B (zh) 2010-10-13
JP5485844B2 (ja) 2014-05-07
ATE526797T1 (de) 2011-10-15
TWI462603B (zh) 2014-11-21
EP2175671A3 (de) 2011-01-12
JP4898673B2 (ja) 2012-03-21
PL2175671T3 (pl) 2012-10-31
EP1769655B1 (de) 2011-09-28
EP1769655A1 (de) 2007-04-04
ES2387256T3 (es) 2012-09-19
US8150042B2 (en) 2012-04-03
ES2373728T3 (es) 2012-02-08
US8144879B2 (en) 2012-03-27
HK1143481A1 (en) 2010-12-31
TW200628002A (en) 2006-08-01
PL1769655T3 (pl) 2012-05-31

Similar Documents

Publication Publication Date Title
ATE526797T1 (de) Verfahren, vorrichtung, kodierer, dekodierer und audiosystem
TW200611588A (en) Method, device and encoder apparatus, decoder apparatus and audio system
WO2007028250A3 (en) Method and device for binaural signal enhancement
DE602007004451D1 (de) Audiokodierung und audiodekodierung
MY150381A (en) Method and apparatus for generating a binaural audio signal
MX2011009660A (es) Codificacion estereo avanzada basada en una combinacion de codificacion izquierda/derecha o media/lateral seleccionable de manera adaptable y de codificacion estereo parametrica.
EP2458588A3 (de) Verfahren und Vorrichtung zur kodierung und dekodierung von Audiosignalen
ATE416455T1 (de) Verfahren und vorrichtung zum kodieren und dekodieren von mehrkanaltonsignalen
WO2006060280A3 (en) Parametric coding of spatial audio with cues based on transmitted channels
ATE519197T1 (de) Verfahren und vorrichtung zum verarbeiten eines audiosignals
WO2006126843A3 (en) Method and apparatus for decoding audio signal
ATE475171T1 (de) Verfahren und vorrichtung zur erkennung tonaler komponenten von audiosignalen
JP2009508175A5 (de)
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
WO2011059254A3 (en) An apparatus for processing a signal and method thereof
WO2010085083A3 (en) An apparatus for processing an audio signal and method thereof
ATE339676T1 (de) Verfahren und system zur messung der übertragungsqualität eines systems
TW200721112A (en) Method and apparatus for decoding an audio signal
DE69712836D1 (de) Vorrichtung und verfahren zur videosignalkodierung
DE602004007953D1 (de) System und verfahren zur audiosignalverarbeitung
EP1502475B8 (de) Verfahren und system zum repräsentieren eines schallfeldes
WO2005004002A3 (fr) Procede de traitement d’une sequence sonore, telle qu’un morceau musical
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
AU2003216276A1 (en) Method for modeling speech harmonic magnitudes