ES2433316T3 - Generación de señales de audio de multiples canales - Google Patents

Generación de señales de audio de multiples canales Download PDF

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Publication number
ES2433316T3
ES2433316T3 ES06780055T ES06780055T ES2433316T3 ES 2433316 T3 ES2433316 T3 ES 2433316T3 ES 06780055 T ES06780055 T ES 06780055T ES 06780055 T ES06780055 T ES 06780055T ES 2433316 T3 ES2433316 T3 ES 2433316T3
Authority
ES
Spain
Prior art keywords
channels
signal
audio
channel
decoder
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES06780055T
Other languages
English (en)
Spanish (es)
Inventor
Dirk J. Breebaart
Lars F. Villemoes
Heiko Purnhagen
Christof Faller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Dolby International AB
Agere Systems LLC
Original Assignee
Koninklijke Philips NV
Dolby International AB
Koninklijke Philips Electronics NV
Agere Systems LLC
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=37398669&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2433316(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Koninklijke Philips NV, Dolby International AB, Koninklijke Philips Electronics NV, Agere Systems LLC filed Critical Koninklijke Philips NV
Application granted granted Critical
Publication of ES2433316T3 publication Critical patent/ES2433316T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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

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)
  • Stereophonic System (AREA)
ES06780055T 2005-07-19 2006-07-12 Generación de señales de audio de multiples canales Expired - Lifetime ES2433316T3 (es)

Applications Claiming Priority (3)

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

Publications (1)

Publication Number Publication Date
ES2433316T3 true ES2433316T3 (es) 2013-12-10

Family

ID=37398669

Family Applications (1)

Application Number Title Priority Date Filing Date
ES06780055T Expired - Lifetime ES2433316T3 (es) 2005-07-19 2006-07-12 Generación de señales de audio de multiples canales

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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JP5154538B2 (ja) * 2006-03-29 2013-02-27 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 オーディオ復号
JP5122681B2 (ja) * 2008-05-23 2013-01-16 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 パラメトリックステレオアップミクス装置、パラメトリックステレオデコーダ、パラメトリックステレオダウンミクス装置、及びパラメトリックステレオエンコーダ
KR101230691B1 (ko) * 2008-07-10 2013-02-07 한국전자통신연구원 공간정보 기반의 다객체 오디오 부호화에서의 오디오 객체 편집 방법 및 그 장치
EP2347410B1 (en) * 2008-09-11 2018-04-11 Fraunhofer-Gesellschaft zur Förderung 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
BR112014012097B1 (pt) * 2011-11-23 2021-07-06 Koninklijke Philips N.V. sistema para a mixagem de sinais de áudio a partir de um ou mais dispositivos portáteis de usuário docados no dito sistema, host de docagem, e método para a mixagem de sinais de áudio a partir de um ou mais dispositivos portáteis de usuário docados em pelo menos dois hosts de docagem para a apresentação em um sistema de som de áudio
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
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
EP3429233B1 (en) * 2013-07-30 2019-12-18 DTS, Inc. Matrix decoder with constant-power pairwise panning
TWI847206B (zh) 2013-09-12 2024-07-01 瑞典商杜比國際公司 多聲道音訊系統中之解碼方法、解碼裝置、包含用於執行解碼方法的指令之非暫態電腦可讀取的媒體之電腦程式產品、包含解碼裝置的音訊系統
EP3561809B1 (en) * 2013-09-12 2023-11-22 Dolby International AB Method for decoding and decoder.
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
WO2015104447A1 (en) * 2014-01-13 2015-07-16 Nokia Technologies Oy Multi-channel audio signal classifier
EP3266021B1 (en) 2015-03-03 2019-05-08 Dolby Laboratories Licensing Corporation Enhancement of spatial audio signals by modulated decorrelation
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
PL3724876T3 (pl) 2018-02-01 2022-11-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Enkoder sceny audio, dekoder sceny audio i powiązane sposoby wykorzystujące analizę przestrzenną hybrydowego enkodera/dekodera
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
WO2022047078A1 (en) 2020-08-27 2022-03-03 Dolby Laboratories Licensing Corporation Matrix coded stereo signal with periphonic elements
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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US6697491B1 (en) * 1996-07-19 2004-02-24 Harman International Industries, Incorporated 5-2-5 matrix encoder and decoder system
US6131084A (en) * 1997-03-14 2000-10-10 Digital Voice Systems, Inc. Dual subframe quantization of spectral magnitudes
JP4478220B2 (ja) * 1997-05-29 2010-06-09 ソニー株式会社 音場補正回路
KR100335611B1 (ko) * 1997-11-20 2002-10-09 삼성전자 주식회사 비트율 조절이 가능한 스테레오 오디오 부호화/복호화 방법 및 장치
US6823018B1 (en) * 1999-07-28 2004-11-23 At&T Corp. Multiple description coding communication system
US7644003B2 (en) * 2001-05-04 2010-01-05 Agere Systems Inc. Cue-based audio coding/decoding
US7451006B2 (en) * 2001-05-07 2008-11-11 Harman International Industries, Incorporated Sound processing system using distortion limiting techniques
ES2300567T3 (es) * 2002-04-22 2008-06-16 Koninklijke Philips Electronics N.V. Representacion parametrica de audio espacial.
US7720231B2 (en) 2003-09-29 2010-05-18 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
BRPI0415951B1 (pt) * 2003-10-30 2018-08-28 Coding Tech Ab método e codificador de áudio para codificar um sinal de áudio, e, método e decodificador de áudio para decodificar um sinal de áudio codificado
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
ATE421845T1 (de) * 2005-04-15 2009-02-15 Dolby Sweden Ab Zeitliche hüllkurvenformgebung von entkorrelierten signalen
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
US20080201153A1 (en) 2008-08-21
KR101356586B1 (ko) 2014-02-11
BRPI0613734B1 (pt) 2019-10-22
JP5171622B2 (ja) 2013-03-27
RU2008106223A (ru) 2009-08-27
KR20080033993A (ko) 2008-04-17
CN101248483B (zh) 2011-11-23
EP1905006B1 (en) 2013-09-04
PL1905006T3 (pl) 2014-02-28
RU2417458C2 (ru) 2011-04-27
CN101248483A (zh) 2008-08-20
WO2007010451A1 (en) 2007-01-25
EP1905006A1 (en) 2008-04-02
JP2009501957A (ja) 2009-01-22

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