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)
  • Circuit For Audible Band Transducer (AREA)
  • Telephonic Communication Services (AREA)
KR1020157022054A 2013-02-14 2014-01-22 업믹스된 오디오 신호들의 채널간 코히어런스를 제어하기 위한 방법 Active KR101729930B1 (ko)

Applications Claiming Priority (3)

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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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KR101729930B1 true KR101729930B1 (ko) 2017-04-25

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

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG11201600466PA (en) 2013-07-22 2016-02-26 Fraunhofer Ges Forschung Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals
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
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
WO2016066743A1 (en) * 2014-10-31 2016-05-06 Dolby International Ab Parametric encoding and decoding of multichannel audio signals
US12125492B2 (en) 2015-09-25 2024-10-22 Voiceage Coproration Method and system for decoding left and right channels of a stereo sound signal
US10319385B2 (en) 2015-09-25 2019-06-11 Voiceage Corporation Method and system for encoding left and right channels of a stereo sound signal selecting between two and four sub-frames models depending on the bit budget
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
CN110024421B (zh) 2016-11-23 2020-12-25 瑞典爱立信有限公司 用于自适应控制去相关滤波器的方法和装置
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
GB2630112A (en) * 2023-05-17 2024-11-20 Sony Interactive Entertainment Europe Ltd A method for decorrelating a set of simulated audio signals
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
WO2025160833A1 (zh) * 2024-01-31 2025-08-07 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
KR20010006291A (ko) 1998-02-13 2001-01-26 요트.게.아. 롤페즈 서라운드 음향 재생 시스템, 음향／시각 재생 시스템, 서라운드 신호 처리 유닛 및 입력 서라운드 신호 처리 방법
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
ATE390683T1 (de) 2004-03-01 2008-04-15 Dolby Lab Licensing Corp Mehrkanalige audiocodierung
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
EP1735778A1 (en) 2004-04-05 2006-12-27 Koninklijke Philips Electronics N.V. Stereo coding and decoding methods and apparatuses thereof
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
EP1927102A2 (en) 2005-06-03 2008-06-04 Dolby Laboratories Licensing Corporation Apparatus and method for encoding audio signals with decoding instructions
CN102013256B (zh) * 2005-07-14 2013-12-18 皇家飞利浦电子股份有限公司 用于生成多个输出音频通道的方法及设备
EP1906706B1 (en) 2005-07-15 2009-11-25 Panasonic Corporation Audio decoder
RU2383942C2 (ru) 2005-08-30 2010-03-10 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способ и устройство для декодирования аудиосигнала
CA2620627C (en) 2005-08-30 2011-03-15 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
WO2007083952A1 (en) 2006-01-19 2007-07-26 Lg Electronics Inc. Method and apparatus for processing a media signal
TW200742275A (en) 2006-03-21 2007-11-01 Dolby Lab Licensing Corp Low bit rate audio encoding and decoding in which multiple channels are represented by fewer channels and auxiliary information
EP1999997B1 (en) 2006-03-28 2011-04-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Enhanced method for signal shaping in multi-channel audio reconstruction
ATE448638T1 (de) 2006-04-13 2009-11-15 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
WO2008032255A2 (en) 2006-09-14 2008-03-20 Koninklijke Philips Electronics N.V. Sweet spot manipulation for a multi-channel signal
RU2406165C2 (ru) 2007-02-14 2010-12-10 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
JP5133401B2 (ja) * 2007-04-26 2013-01-30 ドルビー・インターナショナル・アクチボラゲット 出力信号の合成装置及び合成方法
TWI527473B (zh) 2007-06-08 2016-03-21 杜比實驗室特許公司 用以獲得環繞音效音訊頻道之方法、適於執行該方法之裝置、及相關電腦程式
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
EP2209114B1 (en) 2007-10-31 2014-05-14 Panasonic Corporation Speech coding/decoding apparatus/method
US9336785B2 (en) 2008-05-12 2016-05-10 Broadcom Corporation Compression 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
WO2010149700A1 (en) 2009-06-24 2010-12-29 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. 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
WO2011071610A1 (en) 2009-12-07 2011-06-16 Dolby Laboratories Licensing Corporation Decoding of multichannel aufio encoded bit streams using adaptive hybrid transformation
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
KR101698439B1 (ko) 2010-04-09 2017-01-20 돌비 인터네셔널 에이비 Mdct-기반의 복소수 예측 스테레오 코딩
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
EP4645307B1 (en) 2010-08-25 2026-04-08 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. An apparatus 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
SG194199A1 (en) 2011-03-18 2013-12-30 Fraunhofer Ges Forschung Frame element positioning in frames of a bitstream representing audio content
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
BR112015018522A2 (pt) 2017-07-18
JP6046274B2 (ja) 2016-12-14
KR20150106962A (ko) 2015-09-22
RU2630370C2 (ru) 2017-09-07
JP2016510434A (ja) 2016-04-07
WO2014126689A1 (en) 2014-08-21
EP2956935A1 (en) 2015-12-23
RU2630370C9 (ru) 2017-09-26
RU2015133289A (ru) 2017-02-15
CN104981867B (zh) 2018-03-30
CN104981867A (zh) 2015-10-14
IN2015MN01952A (https=) 2015-08-28
HK1213687A1 (en) 2016-07-08
US20160005406A1 (en) 2016-01-07
BR112015018522B1 (pt) 2021-12-14
EP2956935B1 (en) 2017-01-04
US9754596B2 (en) 2017-09-05

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