RU2630370C9 - Способы управления межканальной когерентностью звуковых сигналов, подвергнутых повышающему микшированию - Google Patents

Способы управления межканальной когерентностью звуковых сигналов, подвергнутых повышающему микшированию Download PDF

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RU2630370C9
RU2630370C9 RU2015133289A RU2015133289A RU2630370C9 RU 2630370 C9 RU2630370 C9 RU 2630370C9 RU 2015133289 A RU2015133289 A RU 2015133289A RU 2015133289 A RU2015133289 A RU 2015133289A RU 2630370 C9 RU2630370 C9 RU 2630370C9
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audio data
decorrelation
channel
channels
short
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RU2015133289A
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RU2630370C2 (ru
RU2015133289A (ru
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Куан-Чиэх ЕН
Винай МЕЛКОТЕ
Мэтью ФИЛЛЕРС
Грант А. ДЕЙВИДСОН
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Долби Лабораторис Лайсэнзин Корпорейшн
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008Systems 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2400/00Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/03Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2420/00Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03Application of parametric coding in stereophonic audio systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2420/00Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/07Synergistic effects of band splitting and sub-band processing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S5/00Pseudo-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)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Telephonic Communication Services (AREA)
  • Circuit For Audible Band Transducer (AREA)
RU2015133289A 2013-02-14 2014-01-22 Способы управления межканальной когерентностью звуковых сигналов, подвергнутых повышающему микшированию RU2630370C9 (ru)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
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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RU2015133289A RU2015133289A (ru) 2017-02-15
RU2630370C2 RU2630370C2 (ru) 2017-09-07
RU2630370C9 true RU2630370C9 (ru) 2017-09-26

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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=)

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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
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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
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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

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Publication number Publication date
KR101729930B1 (ko) 2017-04-25
CN104981867A (zh) 2015-10-14
JP2016510434A (ja) 2016-04-07
JP6046274B2 (ja) 2016-12-14
IN2015MN01952A (https=) 2015-08-28
BR112015018522A2 (pt) 2017-07-18
KR20150106962A (ko) 2015-09-22
RU2630370C2 (ru) 2017-09-07
EP2956935B1 (en) 2017-01-04
CN104981867B (zh) 2018-03-30
US9754596B2 (en) 2017-09-05
RU2015133289A (ru) 2017-02-15
US20160005406A1 (en) 2016-01-07
WO2014126689A1 (en) 2014-08-21
BR112015018522B1 (pt) 2021-12-14
EP2956935A1 (en) 2015-12-23
HK1213687A1 (en) 2016-07-08

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