PL1735779T3 - Urządzenie kodujące, dekodujące, sposoby z nimi powiązane oraz powiązany system audio - Google Patents

Urządzenie kodujące, dekodujące, sposoby z nimi powiązane oraz powiązany system audio

Info

Publication number
PL1735779T3
PL1735779T3 PL05718592T PL05718592T PL1735779T3 PL 1735779 T3 PL1735779 T3 PL 1735779T3 PL 05718592 T PL05718592 T PL 05718592T PL 05718592 T PL05718592 T PL 05718592T PL 1735779 T3 PL1735779 T3 PL 1735779T3
Authority
PL
Poland
Prior art keywords
methods
audio system
associated audio
decoder
encoder
Prior art date
Application number
PL05718592T
Other languages
English (en)
Inventor
Loon Machiel W Van
Gerard H Hotho
Dirk J Breebaart
Original Assignee
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 Koninklijke Philips Nv filed Critical Koninklijke Philips Nv
Publication of PL1735779T3 publication Critical patent/PL1735779T3/pl

Links

Classifications

    • 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
    • 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
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
PL05718592T 2004-04-05 2005-03-30 Urządzenie kodujące, dekodujące, sposoby z nimi powiązane oraz powiązany system audio PL1735779T3 (pl)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP04101405 2004-04-05
EP04103367 2004-07-14
EP05718592.8A EP1735779B1 (en) 2004-04-05 2005-03-30 Encoder apparatus, decoder apparatus, methods thereof and associated audio system
PCT/IB2005/051065 WO2005098826A1 (en) 2004-04-05 2005-03-30 Method, device, encoder apparatus, decoder apparatus and audio system

Publications (1)

Publication Number Publication Date
PL1735779T3 true PL1735779T3 (pl) 2014-01-31

Family

ID=34962191

Family Applications (1)

Application Number Title Priority Date Filing Date
PL05718592T PL1735779T3 (pl) 2004-04-05 2005-03-30 Urządzenie kodujące, dekodujące, sposoby z nimi powiązane oraz powiązany system audio

Country Status (12)

Country Link
US (1) US9992599B2 (pl)
EP (1) EP1735779B1 (pl)
JP (1) JP5284638B2 (pl)
KR (1) KR101183862B1 (pl)
CN (1) CN1947172B (pl)
BR (1) BRPI0509110B1 (pl)
ES (1) ES2426917T3 (pl)
MX (1) MXPA06011397A (pl)
PL (1) PL1735779T3 (pl)
RU (1) RU2396608C2 (pl)
TW (1) TWI455614B (pl)
WO (1) WO2005098826A1 (pl)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102122508B (zh) 2004-07-14 2013-03-13 皇家飞利浦电子股份有限公司 方法、装置、编码器设备、译码器设备和音频系统
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
EP1905002B1 (en) 2005-05-26 2013-05-22 LG Electronics Inc. Method and apparatus for decoding audio signal
EP1902443B1 (en) * 2005-07-14 2009-06-03 Koninklijke Philips Electronics N.V. Audio encoding and decoding
US8626503B2 (en) 2005-07-14 2014-01-07 Erik Gosuinus Petrus Schuijers Audio encoding and decoding
RU2419249C2 (ru) * 2005-09-13 2011-05-20 Кониклейке Филипс Электроникс Н.В. Аудиокодирование
KR100803212B1 (ko) * 2006-01-11 2008-02-14 삼성전자주식회사 스케일러블 채널 복호화 방법 및 장치
TWI329461B (en) 2006-01-19 2010-08-21 Lg Electronics Inc Method and apparatus for processing a media signal
WO2007091847A1 (en) 2006-02-07 2007-08-16 Lg Electronics Inc. Apparatus and method for encoding/decoding signal
KR101358700B1 (ko) * 2006-02-21 2014-02-07 코닌클리케 필립스 엔.브이. 오디오 인코딩 및 디코딩
RU2427978C2 (ru) * 2006-02-21 2011-08-27 Конинклейке Филипс Электроникс Н.В. Кодирование и декодирование аудио
US8687829B2 (en) 2006-10-16 2014-04-01 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for multi-channel parameter transformation
EP2054875B1 (en) 2006-10-16 2011-03-23 Dolby Sweden AB Enhanced coding and parameter representation of multichannel downmixed object coding
AU2007322488B2 (en) * 2006-11-24 2010-04-29 Lg Electronics Inc. Method for encoding and decoding object-based audio signal and apparatus thereof
US8855795B2 (en) 2007-01-09 2014-10-07 Mediatek Inc. Multiple output audio system
US8615316B2 (en) 2008-01-23 2013-12-24 Lg Electronics Inc. Method and an apparatus for processing an audio signal
WO2009093866A2 (en) 2008-01-23 2009-07-30 Lg Electronics Inc. A method and an apparatus for processing an audio signal
KR100998913B1 (ko) * 2008-01-23 2010-12-08 엘지전자 주식회사 오디오 신호의 처리 방법 및 이의 장치
EP2175670A1 (en) * 2008-10-07 2010-04-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Binaural rendering of a multi-channel audio signal
CN102714036B (zh) 2009-12-28 2014-01-22 松下电器产业株式会社 语音编码装置和语音编码方法
CN102280107B (zh) * 2010-06-10 2013-01-23 华为技术有限公司 边带残差信号生成方法及装置
JP5681290B2 (ja) * 2010-09-28 2015-03-04 ホアウェイ・テクノロジーズ・カンパニー・リミテッド デコードされたマルチチャネルオーディオ信号またはデコードされたステレオ信号を後処理するためのデバイス
BR112013013681B1 (pt) 2010-12-03 2020-12-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. aquisição de som através da extração de informações geométricas a partir das estimativas de direção de chegada
JP6023081B2 (ja) * 2011-01-05 2016-11-09 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． オーディオシステム及びオーディオシステムの作動方法
EP2804176A1 (en) * 2013-05-13 2014-11-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio object separation from mixture signal using object-specific time/frequency resolutions
EP2830046A1 (en) * 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for decoding an encoded audio signal to obtain modified output signals
US9820073B1 (en) 2017-05-10 2017-11-14 Tls Corp. Extracting a common signal from multiple audio signals

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4095049A (en) * 1976-03-15 1978-06-13 National Research Development Corporation Non-rotationally-symmetric surround-sound encoding system
US4236039A (en) * 1976-07-19 1980-11-25 National Research Development Corporation Signal matrixing for directional reproduction of sound
DE4209544A1 (de) * 1992-03-24 1993-09-30 Inst Rundfunktechnik Gmbh Verfahren zum Übertragen oder Speichern digitalisierter, mehrkanaliger Tonsignale
JP2693893B2 (ja) * 1992-03-30 1997-12-24 松下電器産業株式会社 ステレオ音声符号化方法
DE4236989C2 (de) * 1992-11-02 1994-11-17 Fraunhofer Ges Forschung Verfahren zur Übertragung und/oder Speicherung digitaler Signale mehrerer Kanäle
JPH06165079A (ja) * 1992-11-25 1994-06-10 Matsushita Electric Ind Co Ltd マルチチャンネルステレオ用ダウンミキシング装置
DE4409368A1 (de) * 1994-03-18 1995-09-21 Fraunhofer Ges Forschung Verfahren zum Codieren mehrerer Audiosignale
US5727119A (en) * 1995-03-27 1998-03-10 Dolby Laboratories Licensing Corporation Method and apparatus for efficient implementation of single-sideband filter banks providing accurate measures of spectral magnitude and phase
US5642423A (en) 1995-11-22 1997-06-24 Sony Corporation Digital surround sound processor
US6697491B1 (en) 1996-07-19 2004-02-24 Harman International Industries, Incorporated 5-2-5 matrix encoder and decoder system
SG54379A1 (en) 1996-10-24 1998-11-16 Sgs Thomson Microelectronics A Audio decoder with an adaptive frequency domain downmixer
US6931291B1 (en) 1997-05-08 2005-08-16 Stmicroelectronics Asia Pacific Pte Ltd. Method and apparatus for frequency-domain downmixing with block-switch forcing for audio decoding functions
US6173061B1 (en) * 1997-06-23 2001-01-09 Harman International Industries, Inc. Steering of monaural sources of sound using head related transfer functions
US6067361A (en) * 1997-07-16 2000-05-23 Sony Corporation Method and apparatus for two channels of sound having directional cues
JP4870896B2 (ja) * 2000-07-19 2012-02-08 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 ステレオサラウンド及び／又はオーディオ中央信号を得るマルチチャンネルステレオコンバータ
US7292901B2 (en) * 2002-06-24 2007-11-06 Agere Systems Inc. Hybrid multi-channel/cue coding/decoding of audio signals
SE0202159D0 (sv) * 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
US7039204B2 (en) * 2002-06-24 2006-05-02 Agere Systems Inc. Equalization for audio mixing
BR0305434A (pt) * 2002-07-12 2004-09-28 Koninkl Philips Electronics Nv Métodos e arranjos para codificar e para decodificar um sinal de áudio multicanal, aparelhos para fornecer um sinal de áudio codificado e um sinal de áudio decodificado, sinal de áudio multicanal codificado, e, meio de armazenagem
US7447317B2 (en) * 2003-10-02 2008-11-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V Compatible multi-channel coding/decoding by weighting the downmix channel
US7394903B2 (en) * 2004-01-20 2008-07-01 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal
JPWO2005081229A1 (ja) * 2004-02-25 2007-10-25 松下電器産業株式会社 オーディオエンコーダ及びオーディオデコーダ
US7805313B2 (en) * 2004-03-04 2010-09-28 Agere Systems Inc. Frequency-based coding of channels in parametric multi-channel coding systems
WO2005098241A1 (en) 2004-03-31 2005-10-20 Remmele Engineering, Inc. Connection mechanism and method
US7602922B2 (en) 2004-04-05 2009-10-13 Koninklijke Philips Electronics N.V. Multi-channel encoder
CN102122508B (zh) * 2004-07-14 2013-03-13 皇家飞利浦电子股份有限公司 方法、装置、编码器设备、译码器设备和音频系统

Also Published As

Publication number Publication date
WO2005098826A1 (en) 2005-10-20
CN1947172B (zh) 2011-08-03
RU2006139068A (ru) 2008-05-20
EP1735779A1 (en) 2006-12-27
RU2396608C2 (ru) 2010-08-10
US20070183601A1 (en) 2007-08-09
US9992599B2 (en) 2018-06-05
TWI455614B (zh) 2014-10-01
ES2426917T3 (es) 2013-10-25
MXPA06011397A (es) 2006-12-20
KR20070001205A (ko) 2007-01-03
CN1947172A (zh) 2007-04-11
JP2007531916A (ja) 2007-11-08
TW200611588A (en) 2006-04-01
EP1735779B1 (en) 2013-06-19
BRPI0509110B1 (pt) 2019-07-09
JP5284638B2 (ja) 2013-09-11
BRPI0509110A (pt) 2007-08-28
KR101183862B1 (ko) 2012-09-20
BRPI0509110A8 (pt) 2016-02-10

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