KR101729930B1 - 업믹스된 오디오 신호들의 채널간 코히어런스를 제어하기 위한 방법 - Google Patents

업믹스된 오디오 신호들의 채널간 코히어런스를 제어하기 위한 방법 Download PDF

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KR101729930B1
KR101729930B1 KR1020157022054A KR20157022054A KR101729930B1 KR 101729930 B1 KR101729930 B1 KR 101729930B1 KR 1020157022054 A KR1020157022054 A KR 1020157022054A KR 20157022054 A KR20157022054 A KR 20157022054A KR 101729930 B1 KR101729930 B1 KR 101729930B1
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decorrelation
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KR20150106962A (ko
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매튜 펠러
비네이 멜코테
쿠안-치에 옌
그랜트 에이. 데이비드슨
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돌비 레버러토리즈 라이쎈싱 코오포레이션
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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
    • 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
    • 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
    • H04S2420/07—Synergistic effects of band splitting and sub-band processing
    • 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
    • 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 

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Stereophonic System (AREA)
  • Telephonic Communication Services (AREA)
  • Circuit For Audible Band Transducer (AREA)
KR1020157022054A 2013-02-14 2014-01-22 업믹스된 오디오 신호들의 채널간 코히어런스를 제어하기 위한 방법 Active KR101729930B1 (ko)

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US201361764857P 2013-02-14 2013-02-14
US61/764,857 2013-02-14
PCT/US2014/012599 WO2014126689A1 (en) 2013-02-14 2014-01-22 Methods for controlling the inter-channel coherence of upmixed audio signals

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KR20150106962A KR20150106962A (ko) 2015-09-22
KR101729930B1 true KR101729930B1 (ko) 2017-04-25

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US (1) US9754596B2 (enExample)
EP (1) EP2956935B1 (enExample)
JP (1) JP6046274B2 (enExample)
KR (1) KR101729930B1 (enExample)
CN (1) CN104981867B (enExample)
BR (1) BR112015018522B1 (enExample)
IN (1) IN2015MN01952A (enExample)
RU (1) RU2630370C9 (enExample)
WO (1) WO2014126689A1 (enExample)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2830334A1 (en) * 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals
ES2653975T3 (es) * 2013-07-22 2018-02-09 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Decodificador de audio multicanal, codificador de audio multicanal, procedimientos, programa informático y representación de audio codificada mediante el uso de una decorrelación de señales de audio renderizadas
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
TWI587286B (zh) * 2014-10-31 2017-06-11 杜比國際公司 音頻訊號之解碼和編碼的方法及系統、電腦程式產品、與電腦可讀取媒體
JP6640849B2 (ja) * 2014-10-31 2020-02-05 ドルビー・インターナショナル・アーベー マルチチャネル・オーディオ信号のパラメトリック・エンコードおよびデコード
US12125492B2 (en) 2015-09-25 2024-10-22 Voiceage Coproration Method and system for decoding left and right channels of a stereo sound signal
MX382211B (es) * 2015-09-25 2025-03-13 Voiceage Corp Metodo y sistema para codificar una señal de sonido estereo utilizando los parametros de codificacion de un canal primario para codificar un canal secundario.
GB2549532A (en) * 2016-04-22 2017-10-25 Nokia Technologies Oy Merging audio signals with spatial metadata
EP3453190A4 (en) * 2016-05-06 2020-01-15 DTS, Inc. SYSTEMS FOR IMMERSIVE AUDIO PLAYBACK
KR102349931B1 (ko) * 2016-11-23 2022-01-11 텔레호낙티에볼라게트 엘엠 에릭슨(피유비엘) 상관해제 필터들의 적응적 제어를 위한 방법 및 장치
CN108966110B (zh) * 2017-05-19 2020-02-14 华为技术有限公司 声音信号处理方法、装置及系统、终端及存储介质
TWI812658B (zh) * 2017-12-19 2023-08-21 瑞典商都比國際公司 用於統一語音及音訊之解碼及編碼去關聯濾波器之改良之方法、裝置及系統
GB2572650A (en) * 2018-04-06 2019-10-09 Nokia Technologies Oy Spatial audio parameters and associated spatial audio playback
CN110047503B (zh) * 2018-09-25 2021-04-16 上海无线通信研究中心 一种声波的多径效应抑制方法
CN111107024B (zh) * 2018-10-25 2022-01-28 航天科工惯性技术有限公司 时间与频率混合编码的防错解码方法
CN109557509B (zh) * 2018-11-23 2020-08-11 安徽四创电子股份有限公司 一种用于改善脉间干扰的双脉冲信号合成器
GB2634513A (en) * 2023-10-09 2025-04-16 Sony Interactive Entertainment Europe Ltd A method for decorrelating a set of simulated audio signals in a virtual environment
CN118202406A (zh) * 2024-01-31 2024-06-14 北京小米移动软件有限公司 编解码方法、装置以及存储介质

Family Cites Families (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8308843D0 (en) 1983-03-30 1983-05-11 Clark A P Apparatus for adjusting receivers of data transmission channels
CN1256851A (zh) 1998-02-13 2000-06-14 皇家菲利浦电子有限公司 环绕声重放系统、声音/图象重放系统、环绕声处理装置和输入环绕声信号的处理方法
US6175631B1 (en) 1999-07-09 2001-01-16 Stephen A. Davis Method and apparatus for decorrelating audio signals
US7218665B2 (en) 2003-04-25 2007-05-15 Bae Systems Information And Electronic Systems Integration Inc. Deferred decorrelating decision-feedback detector for supersaturated communications
SE0301273D0 (sv) 2003-04-30 2003-04-30 Coding Technologies Sweden Ab Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods
CN1926607B (zh) 2004-03-01 2011-07-06 杜比实验室特许公司 多信道音频编码
WO2007109338A1 (en) 2006-03-21 2007-09-27 Dolby Laboratories Licensing Corporation Low bit rate audio encoding and decoding
US20090299756A1 (en) 2004-03-01 2009-12-03 Dolby Laboratories Licensing Corporation Ratio of speech to non-speech audio such as for elderly or hearing-impaired listeners
KR101135726B1 (ko) 2004-04-05 2012-04-16 코닌클리케 필립스 일렉트로닉스 엔.브이. 인코더, 디코더, 인코딩 방법, 디코딩 방법 및 기록 매체
SE0400998D0 (sv) * 2004-04-16 2004-04-16 Cooding Technologies Sweden Ab Method for representing multi-channel audio signals
ES2333137T3 (es) 2004-07-14 2010-02-17 Koninklijke Philips Electronics N.V. Conversion de canal de audio.
TWI393121B (zh) * 2004-08-25 2013-04-11 杜比實驗室特許公司 處理一組n個聲音信號之方法與裝置及與其相關聯之電腦程式
SE0402649D0 (sv) 2004-11-02 2004-11-02 Coding Tech Ab Advanced methods of creating orthogonal signals
US7787631B2 (en) 2004-11-30 2010-08-31 Agere Systems Inc. Parametric coding of spatial audio with cues based on transmitted channels
US7961890B2 (en) 2005-04-15 2011-06-14 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung, E.V. Multi-channel hierarchical audio coding with compact side information
WO2006132857A2 (en) 2005-06-03 2006-12-14 Dolby Laboratories Licensing Corporation Apparatus and method for encoding audio signals with decoding instructions
ES2374309T3 (es) * 2005-07-14 2012-02-15 Koninklijke Philips Electronics N.V. Decodificación de audio.
US8081764B2 (en) 2005-07-15 2011-12-20 Panasonic Corporation Audio decoder
RU2383942C2 (ru) 2005-08-30 2010-03-10 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способ и устройство для декодирования аудиосигнала
WO2007055463A1 (en) 2005-08-30 2007-05-18 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
US7974713B2 (en) 2005-10-12 2011-07-05 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Temporal and spatial shaping of multi-channel audio signals
US7536299B2 (en) 2005-12-19 2009-05-19 Dolby Laboratories Licensing Corporation Correlating and decorrelating transforms for multiple description coding systems
JP4695197B2 (ja) 2006-01-19 2011-06-08 エルジー エレクトロニクス インコーポレイティド メディア信号の処理方法及び装置
AU2006340728B2 (en) 2006-03-28 2010-08-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Enhanced method for signal shaping in multi-channel audio reconstruction
DE602006010323D1 (de) 2006-04-13 2009-12-24 Fraunhofer Ges Forschung Audiosignaldekorrelator
US8379868B2 (en) 2006-05-17 2013-02-19 Creative Technology Ltd Spatial audio coding based on universal spatial cues
EP1883067A1 (en) 2006-07-24 2008-01-30 Deutsche Thomson-Brandt Gmbh Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream
CN101518103B (zh) 2006-09-14 2016-03-23 皇家飞利浦电子股份有限公司 多通道信号的甜点操纵
RU2394283C1 (ru) 2007-02-14 2010-07-10 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способы и устройства для кодирования и декодирования объектно-базированных аудиосигналов
DE102007018032B4 (de) 2007-04-17 2010-11-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Erzeugung dekorrelierter Signale
US8515759B2 (en) * 2007-04-26 2013-08-20 Dolby International Ab Apparatus and method for synthesizing an output signal
ES2358786T3 (es) 2007-06-08 2011-05-13 Dolby Laboratories Licensing Corporation Derivación híbrida de canales de audio de sonido envolvente combinando de manera controlable componentes de señal de sonido ambiente y con decodificación matricial.
US8046214B2 (en) 2007-06-22 2011-10-25 Microsoft Corporation Low complexity decoder for complex transform coding of multi-channel sound
US8064624B2 (en) * 2007-07-19 2011-11-22 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Method and apparatus for generating a stereo signal with enhanced perceptual quality
US20100040243A1 (en) 2008-08-14 2010-02-18 Johnston James D Sound Field Widening and Phase Decorrelation System and Method
WO2009057327A1 (ja) 2007-10-31 2009-05-07 Panasonic Corporation 符号化装置および復号装置
US20090281803A1 (en) 2008-05-12 2009-11-12 Broadcom Corporation Dispersion filtering for speech intelligibility enhancement
EP2144229A1 (en) 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Efficient use of phase information in audio encoding and decoding
JP5326465B2 (ja) 2008-09-26 2013-10-30 富士通株式会社 オーディオ復号方法、装置、及びプログラム
TWI413109B (zh) 2008-10-01 2013-10-21 Dolby Lab Licensing Corp 用於上混系統之解相關器
EP2214162A1 (en) 2009-01-28 2010-08-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Upmixer, method and computer program for upmixing a downmix audio signal
US8497467B2 (en) 2009-04-13 2013-07-30 Telcordia Technologies, Inc. Optical filter control
SG177277A1 (en) * 2009-06-24 2012-02-28 Fraunhofer Ges Forschung Audio signal decoder, method for decoding an audio signal and computer program using cascaded audio object processing stages
GB2465047B (en) 2009-09-03 2010-09-22 Peter Graham Craven Prediction of signals
KR101629306B1 (ko) 2009-12-07 2016-06-10 돌비 레버러토리즈 라이쎈싱 코오포레이션 적응형 하이브리드 변환을 사용한 다채널 오디오 엔코딩된 비트 스트림들의 디코딩
EP2360681A1 (en) * 2010-01-15 2011-08-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for extracting a direct/ambience signal from a downmix signal and spatial parametric information
TWI444989B (zh) 2010-01-22 2014-07-11 Dolby Lab Licensing Corp 針對改良多通道上混使用多通道解相關之技術
BR122019013299B1 (pt) 2010-04-09 2021-01-05 Dolby International Ab aparelho e método para emitir um sinal de áudio esterofônico possuindo um canal esquerdo e um canal direito e meio legível por computador não transitório
TWI516138B (zh) 2010-08-24 2016-01-01 杜比國際公司 從二聲道音頻訊號決定參數式立體聲參數之系統與方法及其電腦程式產品
EP4645306A2 (en) * 2010-08-25 2025-11-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. An apparatus and method for encoding an audio signal having a plurality of channels
US8908874B2 (en) 2010-09-08 2014-12-09 Dts, Inc. Spatial audio encoding and reproduction
EP2477188A1 (en) 2011-01-18 2012-07-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoding and decoding of slot positions of events in an audio signal frame
MY167957A (en) 2011-03-18 2018-10-08 Dolby Int Ab Frame Element Length Transmission in Audio Coding
CN102903368B (zh) 2011-07-29 2017-04-12 杜比实验室特许公司 用于卷积盲源分离的方法和设备
EP2740222B1 (en) 2011-08-04 2015-04-22 Dolby International AB Improved fm stereo radio receiver by using parametric stereo
US8527264B2 (en) 2012-01-09 2013-09-03 Dolby Laboratories Licensing Corporation Method and system for encoding audio data with adaptive low frequency compensation
TWI618050B (zh) 2013-02-14 2018-03-11 杜比實驗室特許公司 用於音訊處理系統中之訊號去相關的方法及設備

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
ISO/IEC FDIS 23003-3:2011(E), Information technology - MPEG audio technologies - Part 3: Unified speech and audio coding. ISO/IEC JTC 1/SC 29/WG 11. 2011.09.20.*
J.Breebaart, et al. MPEG spatial audio coding/MPEG surround: overview and current status. Audio Engineering Society Convention 119. 2005.10.10.*
Max Neuendorf, et al. MPEG unified speech and audio coding-the ISO/MPEG standard for high-efficiency audio coding of all content types. Audio Engineering Society Convention 132. 2012.04.29.*

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Publication number Publication date
EP2956935B1 (en) 2017-01-04
RU2015133289A (ru) 2017-02-15
US9754596B2 (en) 2017-09-05
CN104981867B (zh) 2018-03-30
IN2015MN01952A (enExample) 2015-08-28
US20160005406A1 (en) 2016-01-07
EP2956935A1 (en) 2015-12-23
KR20150106962A (ko) 2015-09-22
CN104981867A (zh) 2015-10-14
HK1213687A1 (en) 2016-07-08
JP2016510434A (ja) 2016-04-07
RU2630370C9 (ru) 2017-09-26
BR112015018522B1 (pt) 2021-12-14
BR112015018522A2 (pt) 2017-07-18
JP6046274B2 (ja) 2016-12-14
WO2014126689A1 (en) 2014-08-21
RU2630370C2 (ru) 2017-09-07

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