PL2175671T3 - Sposób, urządzenie, urządzenie kodujące, urządzenie dekodujące i system audio - Google Patents

Sposób, urządzenie, urządzenie kodujące, urządzenie dekodujące i system audio

Info

Publication number
PL2175671T3
PL2175671T3 PL10152627T PL10152627T PL2175671T3 PL 2175671 T3 PL2175671 T3 PL 2175671T3 PL 10152627 T PL10152627 T PL 10152627T PL 10152627 T PL10152627 T PL 10152627T PL 2175671 T3 PL2175671 T3 PL 2175671T3
Authority
PL
Poland
Prior art keywords
signal
stereo
modified
energy value
complex function
Prior art date
Application number
PL10152627T
Other languages
English (en)
Inventor
Loon Machiel W Van
Dirk J Breebart
Gerard H Hotho
Erik G P Schuiers
Heiko Purnhagen
Karl J Rödén
Original Assignee
Koninl 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 Koninl Philips Electronics Nv, Dolby Int Ab filed Critical Koninl Philips Electronics Nv
Publication of PL2175671T3 publication Critical patent/PL2175671T3/pl

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)
  • Theoretical Computer Science (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Selective Calling Equipment (AREA)
PL10152627T 2004-07-14 2005-07-07 Sposób, urządzenie, urządzenie kodujące, urządzenie dekodujące i system audio PL2175671T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP04103365 2004-07-14
EP10152627A EP2175671B1 (en) 2004-07-14 2005-07-07 Method, device, encoder apparatus, decoder apparatus and audio system
EP05761091A EP1769655B1 (en) 2004-07-14 2005-07-07 Method, device, encoder apparatus, decoder apparatus and audio system

Publications (1)

Publication Number Publication Date
PL2175671T3 true PL2175671T3 (pl) 2012-10-31

Family

ID=35044993

Family Applications (2)

Application Number Title Priority Date Filing Date
PL10152627T PL2175671T3 (pl) 2004-07-14 2005-07-07 Sposób, urządzenie, urządzenie kodujące, urządzenie dekodujące i system audio
PL05761091T PL1769655T3 (pl) 2004-07-14 2005-07-07 Sposób, urządzenie, urządzenie kodujące, urządzenie dekodujące i system audio

Family Applications After (1)

Application Number Title Priority Date Filing Date
PL05761091T PL1769655T3 (pl) 2004-07-14 2005-07-07 Sposób, urządzenie, urządzenie kodujące, urządzenie dekodujące i system audio

Country Status (10)

Country Link
US (2) US8150042B2 (pl)
EP (2) EP1769655B1 (pl)
JP (2) JP4898673B2 (pl)
KR (1) KR101147187B1 (pl)
CN (2) CN1985544B (pl)
AT (2) ATE557552T1 (pl)
ES (2) ES2387256T3 (pl)
PL (2) PL2175671T3 (pl)
TW (1) TWI462603B (pl)
WO (1) WO2006008683A1 (pl)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9992599B2 (en) * 2004-04-05 2018-06-05 Koninklijke Philips N.V. Method, device, encoder apparatus, decoder apparatus and audio system
EP1769655B1 (en) * 2004-07-14 2011-09-28 Koninklijke Philips Electronics N.V. Method, device, encoder apparatus, decoder apparatus and audio system
JP4989468B2 (ja) * 2004-07-14 2012-08-01 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 オーディオチャネル変換
US7840411B2 (en) * 2005-03-30 2010-11-23 Koninklijke Philips Electronics N.V. Audio encoding and decoding
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
EP1905002B1 (en) * 2005-05-26 2013-05-22 LG Electronics Inc. Method and apparatus for decoding audio signal
JP5587551B2 (ja) * 2005-09-13 2014-09-10 コーニンクレッカ フィリップス エヌ ヴェ オーディオ符号化
KR100803212B1 (ko) * 2006-01-11 2008-02-14 삼성전자주식회사 스케일러블 채널 복호화 방법 및 장치
EP1979898B1 (en) * 2006-01-19 2014-08-06 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
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
RU2407226C2 (ru) * 2006-03-24 2010-12-20 Долби Свидн Аб Генерация пространственных сигналов понижающего микширования из параметрических представлений мультиканальных сигналов
EP1853092B1 (en) * 2006-05-04 2011-10-05 LG Electronics, Inc. Enhancing stereo audio with remix capability
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
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 (en) 2006-10-12 2015-12-09 LG Electronics Inc. Apparatus for processing a mix signal and method thereof
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
EP2102855A4 (en) 2006-12-07 2010-07-28 Lg Electronics Inc METHOD AND APPARATUS FOR DECODING AUDIO SIGNAL
EP2122613B1 (en) 2006-12-07 2019-01-30 LG Electronics Inc. A method and an apparatus for processing an audio signal
WO2008082276A1 (en) * 2007-01-05 2008-07-10 Lg Electronics Inc. A method and an apparatus for processing 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
EP2609589B1 (en) * 2010-09-28 2016-05-04 Huawei Technologies Co., Ltd. Device and method for postprocessing decoded multi-channel audio signal or decoded stereo signal
PT2880654T (pt) 2012-08-03 2017-12-07 Fraunhofer Ges Forschung Descodificador e método para um conceito paramétrico generalizado de codificação de objeto de áudio espacial para caixas de downmix/upmix multicanal
AU2014331092A1 (en) * 2013-10-02 2016-05-26 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
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
ATE377339T1 (de) * 2002-07-12 2007-11-15 Koninkl Philips Electronics Nv Audio-kodierung
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
US9992599B2 (en) 2004-04-05 2018-06-05 Koninklijke Philips N.V. Method, device, encoder apparatus, decoder apparatus and audio system
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
EP1769655B1 (en) 2004-07-14 2011-09-28 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
ATE526797T1 (de) 2011-10-15
EP2175671B1 (en) 2012-05-09
JP4898673B2 (ja) 2012-03-21
CN102122508A (zh) 2011-07-13
TWI462603B (zh) 2014-11-21
PL1769655T3 (pl) 2012-05-31
KR101147187B1 (ko) 2012-07-09
US8150042B2 (en) 2012-04-03
ES2373728T3 (es) 2012-02-08
WO2006008683A1 (en) 2006-01-26
ATE557552T1 (de) 2012-05-15
JP2011039535A (ja) 2011-02-24
HK1143481A1 (en) 2010-12-31
US8144879B2 (en) 2012-03-27
TW200628002A (en) 2006-08-01
KR20070039543A (ko) 2007-04-12
US20110058679A1 (en) 2011-03-10
EP1769655A1 (en) 2007-04-04
ES2387256T3 (es) 2012-09-19
JP5485844B2 (ja) 2014-05-07
CN1985544B (zh) 2010-10-13
CN102122508B (zh) 2013-03-13
US20070230710A1 (en) 2007-10-04
EP1769655B1 (en) 2011-09-28
CN1985544A (zh) 2007-06-20
JP2008537596A (ja) 2008-09-18
EP2175671A2 (en) 2010-04-14
EP2175671A3 (en) 2011-01-12

Similar Documents

Publication Publication Date Title
PL1769655T3 (pl) Sposób, urządzenie, urządzenie kodujące, urządzenie dekodujące i system audio
WO2006126855A3 (en) Method and apparatus for decoding audio signal
WO2006060280A3 (en) Parametric coding of spatial audio with cues based on transmitted channels
MX2010004220A (es) Codificacion de audio usando mezcla descendente.
ATE456261T1 (de) Audiokodierung und audiodekodierung
MY150381A (en) Method and apparatus for generating a binaural audio signal
ATE473502T1 (de) Mehrkanal-audiocodierung
EP2458588A3 (en) Method and apparatus for encoding and decoding audio signals
WO2007028250A3 (en) Method and device for binaural signal enhancement
TW200611588A (en) Method, device and encoder apparatus, decoder apparatus and audio system
MX2011011399A (es) Aparato para suministrar uno o más parámetros ajustados para un suministro de una representación de señal de mezcla ascendente sobre la base de una representación de señal de mezcla descendete, decodificador de señal de audio, transcodificador de señal de audio, codificador de señal de audio, flujo de bits de audio, método y programa de computación que utiliza información paramétrica relacionada con el objeto.
WO2010105926A3 (en) Advanced stereo coding based on a combination of adaptively selectable left/right or mid/side stereo coding and of parametric stereo coding
AU2003212592A1 (en) Coding of stereo signals
IL177093A (en) Method for generating an output signal
MX2009004639A (es) Dispositivo y metodo para tratamiento posterior de valores espectrales y codificador y decodificador para señales de audio.
TW200731219A (en) Method and apparatus for resynchronizing packetized audio streams
WO2010008175A3 (ko) 음성/오디오 통합 신호의 부호화/복호화 장치
WO2011059254A3 (en) An apparatus for processing a signal and method thereof
WO2010085083A3 (en) An apparatus for processing an audio signal and method thereof
ATE416455T1 (de) Verfahren und vorrichtung zum kodieren und dekodieren von mehrkanaltonsignalen
MX350690B (es) Método y descodificador para un concepto paramétrico de codificación de objeto de audio espacial generalizado para casos de mezcla descendente/mezcla ascendente de multicanal.
ATE448539T1 (de) Audiokodierungsvorrichtung und audiokodierungsmethode
WO2009050896A1 (ja) ストリーム合成装置、復号装置、方法
ATE339676T1 (de) Verfahren und system zur messung der übertragungsqualität eines systems
CA2621664A1 (en) Method and apparatus for decoding an audio signal