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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
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 (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)

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CN101390443B (zh) * 2006-02-21 2010-12-01 皇家飞利浦电子股份有限公司 音频编码和解码
CN101406074B (zh) * 2006-03-24 2012-07-18 杜比国际公司 解码器及相应方法、双耳解码器、包括该解码器的接收机或音频播放器及相应方法
ATE527833T1 (de) 2006-05-04 2011-10-15 Lg Electronics Inc Verbesserung von stereo-audiosignalen mittels neuabmischung
EP2112652B1 (de) * 2006-07-07 2012-11-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Konzept zur Kombination mehrerer parametrisch codierten Audioquellen
US9418667B2 (en) 2006-10-12 2016-08-16 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
WO2008060111A1 (en) 2006-11-15 2008-05-22 Lg Electronics Inc. A method and an apparatus for decoding an audio signal
KR101434198B1 (ko) * 2006-11-17 2014-08-26 삼성전자주식회사 신호 복호화 방법
EP2102855A4 (de) 2006-12-07 2010-07-28 Lg Electronics Inc Verfahren und vorrichtung zum decodieren eines audiosignals
WO2008069594A1 (en) 2006-12-07 2008-06-12 Lg Electronics Inc. A method and an apparatus for processing an audio signal
JP2010516077A (ja) 2007-01-05 2010-05-13 エルジー エレクトロニクス インコーポレイティド オーディオ信号処理方法及び装置
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
CN103026406B (zh) * 2010-09-28 2014-10-08 华为技术有限公司 用于对已解码多通道音频信号或已解码立体声信号进行后处理的装置和方法
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
JP2016536856A (ja) * 2013-10-02 2016-11-24 ストーミングスイス・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング 二つ以上の基本信号からのマルチチャンネル信号の導出
JP5977313B2 (ja) * 2014-10-31 2016-08-24 住友化学株式会社 偏光板の製造方法
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Also Published As

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

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