KR102114440B1 - 일정-파워 페어와이즈 패닝을 갖는 매트릭스 디코더 - Google Patents

일정-파워 페어와이즈 패닝을 갖는 매트릭스 디코더 Download PDF

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KR102114440B1
KR102114440B1 KR1020167005572A KR20167005572A KR102114440B1 KR 102114440 B1 KR102114440 B1 KR 102114440B1 KR 1020167005572 A KR1020167005572 A KR 1020167005572A KR 20167005572 A KR20167005572 A KR 20167005572A KR 102114440 B1 KR102114440 B1 KR 102114440B1
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channel
phase
calculating
channels
coefficient
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KR20160039674A (ko
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제프리 톰슨
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디티에스, 인코포레이티드
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2227/00—Details of public address [PA] systems covered by H04R27/00 but not provided for in any of its subgroups
    • H04R2227/003—Digital PA systems using, e.g. LAN or internet
    • 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 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/07—Generation or adaptation of the Low Frequency Effect [LFE] channel, e.g. distribution or signal processing
    • 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
    • H04S2400/13—Aspects of volume control, not necessarily automatic, in stereophonic sound systems

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
KR1020167005572A 2013-07-30 2014-07-30 일정-파워 페어와이즈 패닝을 갖는 매트릭스 디코더 Active KR102114440B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201361860024P 2013-07-30 2013-07-30
US61/860,024 2013-07-30
PCT/US2014/048975 WO2015017584A1 (en) 2013-07-30 2014-07-30 Matrix decoder with constant-power pairwise panning
US14/447,516 US9338573B2 (en) 2013-07-30 2014-07-30 Matrix decoder with constant-power pairwise panning
US14/447,516 2014-07-30

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KR20160039674A KR20160039674A (ko) 2016-04-11
KR102114440B1 true KR102114440B1 (ko) 2020-05-22

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US (2) US9338573B2 (https=)
EP (2) EP3028474B1 (https=)
JP (1) JP6543627B2 (https=)
KR (1) KR102114440B1 (https=)
CN (1) CN105594227B (https=)
PL (2) PL3429233T3 (https=)
WO (1) WO2015017584A1 (https=)

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US9820073B1 (en) 2017-05-10 2017-11-14 Tls Corp. Extracting a common signal from multiple audio signals
JP6905411B2 (ja) * 2017-08-07 2021-07-21 日本放送協会 チャンネル数変換装置及びプログラム
WO2019049245A1 (ja) * 2017-09-06 2019-03-14 ヤマハ株式会社 オーディオシステム、オーディオ機器、及びオーディオ機器の制御方法
TWI719429B (zh) * 2019-03-19 2021-02-21 瑞昱半導體股份有限公司 音訊處理方法與音訊處理系統
KR102712458B1 (ko) 2019-12-09 2024-10-04 삼성전자주식회사 오디오 출력 장치 및 오디오 출력 장치의 제어 방법
US12382234B2 (en) 2020-06-11 2025-08-05 Dolby Laboratories Licensing Corporation Perceptual optimization of magnitude and phase for time-frequency and softmask source separation systems
CN116708917A (zh) 2022-02-25 2023-09-05 北京字跳网络技术有限公司 视频处理方法、装置、设备及介质

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US6665407B1 (en) 1998-09-28 2003-12-16 Creative Technology Ltd. Three channel panning system
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US7003467B1 (en) 2000-10-06 2006-02-21 Digital Theater Systems, Inc. Method of decoding two-channel matrix encoded audio to reconstruct multichannel audio
DE60311794C5 (de) 2002-04-22 2022-11-10 Koninklijke Philips N.V. Signalsynthese
US7039204B2 (en) 2002-06-24 2006-05-02 Agere Systems Inc. Equalization for audio mixing
US20050052457A1 (en) 2003-02-27 2005-03-10 Neil Muncy Apparatus for generating and displaying images for determining the quality of audio reproduction
US7283684B1 (en) 2003-05-20 2007-10-16 Sandia Corporation Spectral compression algorithms for the analysis of very large multivariate images
TWI224470B (en) 2003-09-05 2004-11-21 Realtek Semiconductor Corp Adjustment method of saturation degree
US7545412B2 (en) * 2003-09-09 2009-06-09 Konica Minolta Holdings, Inc. Image-sensing apparatus with a solid-state image sensor switchable between linear and logarithmic conversion
US7391870B2 (en) 2004-07-09 2008-06-24 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E V Apparatus and method for generating a multi-channel output signal
US7356152B2 (en) * 2004-08-23 2008-04-08 Dolby Laboratories Licensing Corporation Method for expanding an audio mix to fill all available output channels
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RU2586851C2 (ru) 2010-02-24 2016-06-10 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Устройство для формирования улучшенного сигнала микширования с понижением, способ формирования улучшенного сигнала микширования с понижением и компьютерная программа
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WO2014160576A2 (en) 2013-03-28 2014-10-02 Dolby Laboratories Licensing Corporation Rendering audio using speakers organized as a mesh of arbitrary n-gons

Also Published As

Publication number Publication date
US9338573B2 (en) 2016-05-10
JP2016529801A (ja) 2016-09-23
EP3028474B1 (en) 2018-12-19
PL3028474T3 (pl) 2019-06-28
HK1218596A1 (zh) 2017-02-24
WO2015017584A1 (en) 2015-02-05
US10075797B2 (en) 2018-09-11
JP6543627B2 (ja) 2019-07-10
EP3429233B1 (en) 2019-12-18
US20170366910A1 (en) 2017-12-21
EP3028474A4 (en) 2017-07-05
PL3429233T3 (pl) 2020-11-16
US20150036849A1 (en) 2015-02-05
EP3028474A1 (en) 2016-06-08
CN105594227B (zh) 2018-01-12
CN105594227A (zh) 2016-05-18
KR20160039674A (ko) 2016-04-11
EP3429233A1 (en) 2019-01-16

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