JP6543627B2 - 一定出力ペアワイズパニングによるマトリクスデコーダ - Google Patents

一定出力ペアワイズパニングによるマトリクスデコーダ Download PDF

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JP6543627B2
JP6543627B2 JP2016531872A JP2016531872A JP6543627B2 JP 6543627 B2 JP6543627 B2 JP 6543627B2 JP 2016531872 A JP2016531872 A JP 2016531872A JP 2016531872 A JP2016531872 A JP 2016531872A JP 6543627 B2 JP6543627 B2 JP 6543627B2
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channel
phase
calculating
coefficient
inter
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JP2016529801A5 (enExample
JP2016529801A (ja
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ジェフリー トンプソン
ジェフリー トンプソン
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DTS Inc
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02Systems 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2227/00Details of public address [PA] systems covered by H04R27/00 but not provided for in any of its subgroups
    • H04R2227/003Digital PA systems using, e.g. LAN or internet
    • 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 
    • H04S2400/00Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/07Generation or adaptation of the Low Frequency Effect [LFE] channel, e.g. distribution or signal processing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2400/00Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/13Aspects 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)
JP2016531872A 2013-07-30 2014-07-30 一定出力ペアワイズパニングによるマトリクスデコーダ Active JP6543627B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201361860024P 2013-07-30 2013-07-30
US61/860,024 2013-07-30
US14/447,516 2014-07-30
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

Publications (3)

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JP2016529801A JP2016529801A (ja) 2016-09-23
JP2016529801A5 JP2016529801A5 (enExample) 2017-09-07
JP6543627B2 true JP6543627B2 (ja) 2019-07-10

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JP2016531872A Active JP6543627B2 (ja) 2013-07-30 2014-07-30 一定出力ペアワイズパニングによるマトリクスデコーダ

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US (2) US9338573B2 (enExample)
EP (2) EP3028474B1 (enExample)
JP (1) JP6543627B2 (enExample)
KR (1) KR102114440B1 (enExample)
CN (1) CN105594227B (enExample)
PL (2) PL3028474T3 (enExample)
WO (1) WO2015017584A1 (enExample)

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CN107452387B (zh) * 2016-05-31 2019-11-12 华为技术有限公司 一种声道间相位差参数的提取方法及装置
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
WO2021252795A2 (en) 2020-06-11 2021-12-16 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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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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US8160888B2 (en) * 2005-07-19 2012-04-17 Koninklijke Philips Electronics N.V Generation of multi-channel audio signals
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CN101889307B (zh) * 2007-10-04 2013-01-23 创新科技有限公司 相位-幅度3d立体声编码器和解码器
ES2435792T3 (es) 2008-12-15 2013-12-23 Orange Codificación perfeccionada de señales digitales de audio multicanal
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MX2012009785A (es) 2010-02-24 2012-11-23 Fraunhofer Ges Forschung Aparato para generar señal de mezcla descendente mejorada, metodo para generar señal de mezcla descendente mejorada y programa de computadora.
WO2012031605A1 (en) * 2010-09-06 2012-03-15 Fundacio Barcelona Media Universitat Pompeu Fabra Upmixing method and system for multichannel audio reproduction
KR102817211B1 (ko) 2011-07-01 2025-06-10 돌비 레버러토리즈 라이쎈싱 코오포레이션 적응형 오디오 신호 생성, 코딩 및 렌더링을 위한 시스템 및 방법
JP6082160B2 (ja) 2013-03-28 2017-02-15 ドルビー ラボラトリーズ ライセンシング コーポレイション 任意n角形のメッシュとして編成されたスピーカーを用いたオーディオレンダリング

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Publication number Publication date
US9338573B2 (en) 2016-05-10
EP3429233B1 (en) 2019-12-18
JP2016529801A (ja) 2016-09-23
US20150036849A1 (en) 2015-02-05
CN105594227A (zh) 2016-05-18
EP3028474A4 (en) 2017-07-05
EP3028474A1 (en) 2016-06-08
HK1218596A1 (zh) 2017-02-24
PL3028474T3 (pl) 2019-06-28
PL3429233T3 (pl) 2020-11-16
EP3028474B1 (en) 2018-12-19
US10075797B2 (en) 2018-09-11
US20170366910A1 (en) 2017-12-21
KR102114440B1 (ko) 2020-05-22
CN105594227B (zh) 2018-01-12
KR20160039674A (ko) 2016-04-11
EP3429233A1 (en) 2019-01-16
WO2015017584A1 (en) 2015-02-05

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