JP5171622B2 - マルチチャンネルオーディオ信号の生成 - Google Patents

マルチチャンネルオーディオ信号の生成 Download PDF

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Publication number
JP5171622B2
JP5171622B2 JP2008522125A JP2008522125A JP5171622B2 JP 5171622 B2 JP5171622 B2 JP 5171622B2 JP 2008522125 A JP2008522125 A JP 2008522125A JP 2008522125 A JP2008522125 A JP 2008522125A JP 5171622 B2 JP5171622 B2 JP 5171622B2
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channel
audio
signal
channels
decoder
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JP2009501957A (ja
JP2009501957A5 (enExample
Inventor
ディルク ジェイ ブレーバールト
ラルス エフ ヴィリィムース
ハイコ プルンハーゲン
クリストフ ファーレル
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Dolby International AB
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Dolby International AB
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    • 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
    • G10L19/04—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 predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • 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

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  • 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)
  • Stereophonic System (AREA)
JP2008522125A 2005-07-19 2006-07-12 マルチチャンネルオーディオ信号の生成 Active JP5171622B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP05106612 2005-07-19
EP05106612.4 2005-07-19
PCT/IB2006/052368 WO2007010451A1 (en) 2005-07-19 2006-07-12 Generation of multi-channel audio signals

Publications (3)

Publication Number Publication Date
JP2009501957A JP2009501957A (ja) 2009-01-22
JP2009501957A5 JP2009501957A5 (enExample) 2009-09-10
JP5171622B2 true JP5171622B2 (ja) 2013-03-27

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Family Applications (1)

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JP2008522125A Active JP5171622B2 (ja) 2005-07-19 2006-07-12 マルチチャンネルオーディオ信号の生成

Country Status (10)

Country Link
US (1) US8160888B2 (enExample)
EP (1) EP1905006B1 (enExample)
JP (1) JP5171622B2 (enExample)
KR (1) KR101356586B1 (enExample)
CN (1) CN101248483B (enExample)
BR (1) BRPI0613734B1 (enExample)
ES (1) ES2433316T3 (enExample)
PL (1) PL1905006T3 (enExample)
RU (1) RU2417458C2 (enExample)
WO (1) WO2007010451A1 (enExample)

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RU2497204C2 (ru) 2008-05-23 2013-10-27 Конинклейке Филипс Электроникс Н.В. Устройство параметрического стереофонического повышающего микширования, параметрический стереофонический декодер, устройство параметрического стереофонического понижающего микширования, параметрический стереофонический кодер
KR101230691B1 (ko) * 2008-07-10 2013-02-07 한국전자통신연구원 공간정보 기반의 다객체 오디오 부호화에서의 오디오 객체 편집 방법 및 그 장치
RU2493617C2 (ru) * 2008-09-11 2013-09-20 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Устройство, способ и компьютерная программа для обеспечения набора пространственных указателей на основе сигнала микрофона и устройство для обеспечения двухканального аудиосигнала и набора пространственных указателей
US8023660B2 (en) 2008-09-11 2011-09-20 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus, method and computer program for providing a set of spatial cues on the basis of a microphone signal and apparatus for providing a two-channel audio signal and a set of spatial cues
CN101673545B (zh) * 2008-09-12 2011-11-16 华为技术有限公司 一种编解码方法及装置
EP2323130A1 (en) * 2009-11-12 2011-05-18 Koninklijke Philips Electronics N.V. Parametric encoding and decoding
US20110123055A1 (en) * 2009-11-24 2011-05-26 Sharp Laboratories Of America, Inc. Multi-channel on-display spatial audio system
KR101756838B1 (ko) * 2010-10-13 2017-07-11 삼성전자주식회사 다채널 오디오 신호를 다운 믹스하는 방법 및 장치
SG185835A1 (en) * 2011-05-11 2012-12-28 Creative Tech Ltd A speaker for reproducing surround sound
US9686030B2 (en) * 2011-11-23 2017-06-20 Koninklijke Philips N.V. Method and apparatus for configuration and control of mixer for audio system using wireless docking system
US20140129236A1 (en) * 2012-11-07 2014-05-08 Kenneth John Lannes System and method for linear frequency translation, frequency compression and user selectable response time
US9466301B2 (en) * 2012-11-07 2016-10-11 Kenneth John Lannes System and method for linear frequency translation, frequency compression and user selectable response time
WO2015017584A1 (en) * 2013-07-30 2015-02-05 Dts, Inc. Matrix decoder with constant-power pairwise panning
EP3561809B1 (en) 2013-09-12 2023-11-22 Dolby International AB Method for decoding and decoder.
TWI634547B (zh) * 2013-09-12 2018-09-01 瑞典商杜比國際公司 在包含至少四音訊聲道的多聲道音訊系統中之解碼方法、解碼裝置、編碼方法以及編碼裝置以及包含電腦可讀取的媒體之電腦程式產品
EP2866227A1 (en) 2013-10-22 2015-04-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method for decoding and encoding a downmix matrix, method for presenting audio content, encoder and decoder for a downmix matrix, audio encoder and audio decoder
KR101841380B1 (ko) * 2014-01-13 2018-03-22 노키아 테크놀로지스 오와이 다중-채널 오디오 신호 분류기
JP6576458B2 (ja) * 2015-03-03 2019-09-18 ドルビー ラボラトリーズ ライセンシング コーポレイション 変調された脱相関による空間的オーディオ信号の向上
EP3067885A1 (en) 2015-03-09 2016-09-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding or decoding a multi-channel signal
RU2749349C1 (ru) * 2018-02-01 2021-06-09 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Кодер аудиосцены, декодер аудиосцены и соответствующие способы, использующие пространственный анализ с гибридным кодером/декодером
EP3719799A1 (en) 2019-04-04 2020-10-07 FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. A multi-channel audio encoder, decoder, methods and computer program for switching between a parametric multi-channel operation and an individual channel operation
CN113055789B (zh) * 2021-02-09 2023-03-24 安克创新科技股份有限公司 单声道音箱、在单声道音箱中增加环绕效果的方法及系统
CN113438595B (zh) * 2021-06-24 2022-03-18 深圳市叡扬声学设计研发有限公司 音频处理系统

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EP1671316B1 (en) * 2003-09-29 2007-08-01 Koninklijke Philips Electronics N.V. Encoding audio signals
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
KR101217649B1 (ko) 2003-10-30 2013-01-02 돌비 인터네셔널 에이비 오디오 신호 인코딩 또는 디코딩
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
SE0402649D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Advanced methods of creating orthogonal signals
KR100933548B1 (ko) * 2005-04-15 2009-12-23 돌비 스웨덴 에이비 비상관 신호의 시간적 엔벨로프 정형화
US20070055510A1 (en) * 2005-07-19 2007-03-08 Johannes Hilpert Concept for bridging the gap between parametric multi-channel audio coding and matrixed-surround multi-channel coding

Also Published As

Publication number Publication date
US8160888B2 (en) 2012-04-17
RU2008106223A (ru) 2009-08-27
EP1905006B1 (en) 2013-09-04
ES2433316T3 (es) 2013-12-10
JP2009501957A (ja) 2009-01-22
EP1905006A1 (en) 2008-04-02
PL1905006T3 (pl) 2014-02-28
BRPI0613734B1 (pt) 2019-10-22
RU2417458C2 (ru) 2011-04-27
US20080201153A1 (en) 2008-08-21
KR101356586B1 (ko) 2014-02-11
CN101248483A (zh) 2008-08-20
WO2007010451A1 (en) 2007-01-25
CN101248483B (zh) 2011-11-23
KR20080033993A (ko) 2008-04-17

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