KR101356586B1 - 다중 채널 오디오 신호를 생성하기 위한 디코더, 수신기 및 방법 - Google Patents

다중 채널 오디오 신호를 생성하기 위한 디코더, 수신기 및 방법 Download PDF

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KR101356586B1
KR101356586B1 KR1020087003925A KR20087003925A KR101356586B1 KR 101356586 B1 KR101356586 B1 KR 101356586B1 KR 1020087003925 A KR1020087003925 A KR 1020087003925A KR 20087003925 A KR20087003925 A KR 20087003925A KR 101356586 B1 KR101356586 B1 KR 101356586B1
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parametric data
audio channels
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KR20080033993A (ko
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더크 제이. 비어바아트
랄스 에프. 비레모스
헤이코 푸란하겐
크리스토프 파렐
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코닌클리케 필립스 엔.브이.
에이저 시스템즈 엘엘시
돌비 인터네셔널 에이비
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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)
  • Signal Processing (AREA)
  • Acoustics & Sound (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)
KR1020087003925A 2005-07-19 2006-07-12 다중 채널 오디오 신호를 생성하기 위한 디코더, 수신기 및 방법 Active KR101356586B1 (ko)

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

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KR20080033993A KR20080033993A (ko) 2008-04-17
KR101356586B1 true KR101356586B1 (ko) 2014-02-11

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

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WO2009141775A1 (en) 2008-05-23 2009-11-26 Koninklijke Philips Electronics N.V. A parametric stereo upmix apparatus, a parametric stereo decoder, a parametric stereo downmix apparatus, a parametric stereo encoder
KR101230691B1 (ko) * 2008-07-10 2013-02-07 한국전자통신연구원 공간정보 기반의 다객체 오디오 부호화에서의 오디오 객체 편집 방법 및 그 장치
KR101392546B1 (ko) 2008-09-11 2014-05-08 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 마이크로폰 신호를 기반으로 공간 큐의 세트를 제공하는 장치, 방법 및 컴퓨터 프로그램과, 2채널 오디오 신호 및 공간 큐의 세트를 제공하는 장치
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
IN2014CN03719A (https=) * 2011-11-23 2015-07-03 Koninkl Philips Nv
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
US9338573B2 (en) * 2013-07-30 2016-05-10 Dts, Inc. Matrix decoder with constant-power pairwise panning
TWI774136B (zh) * 2013-09-12 2022-08-11 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
EP3293734B1 (en) 2013-09-12 2019-05-15 Dolby International AB Decoding of multichannel audio content
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
JP7261807B2 (ja) * 2018-02-01 2023-04-20 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 ハイブリッドエンコーダ／デコーダ空間解析を使用する音響シーンエンコーダ、音響シーンデコーダおよびその方法
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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RU2417458C2 (ru) 2011-04-27
JP5171622B2 (ja) 2013-03-27
WO2007010451A1 (en) 2007-01-25
EP1905006B1 (en) 2013-09-04
KR20080033993A (ko) 2008-04-17
EP1905006A1 (en) 2008-04-02
BRPI0613734B1 (pt) 2019-10-22
US20080201153A1 (en) 2008-08-21
CN101248483B (zh) 2011-11-23
US8160888B2 (en) 2012-04-17
JP2009501957A (ja) 2009-01-22
ES2433316T3 (es) 2013-12-10
PL1905006T3 (pl) 2014-02-28
CN101248483A (zh) 2008-08-20
RU2008106223A (ru) 2009-08-27

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