ATE472905T1 - Ableitung von mittelkanalton - Google Patents

Ableitung von mittelkanalton

Info

Publication number
ATE472905T1
ATE472905T1 AT07751646T AT07751646T ATE472905T1 AT E472905 T1 ATE472905 T1 AT E472905T1 AT 07751646 T AT07751646 T AT 07751646T AT 07751646 T AT07751646 T AT 07751646T AT E472905 T1 ATE472905 T1 AT E472905T1
Authority
AT
Austria
Prior art keywords
channels
signals
channel
derivation
mid
Prior art date
Application number
AT07751646T
Other languages
English (en)
Inventor
Mark Vinton
Original Assignee
Dolby Lab Licensing Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Application granted granted Critical
Publication of ATE472905T1 publication Critical patent/ATE472905T1/de

Links

Classifications

    • 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 
    • 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
    • H04S2400/05—Generation or adaptation of centre channel in multi-channel audio systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/302—Electronic adaptation of stereophonic sound system to listener position or orientation

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Cosmetics (AREA)
AT07751646T 2006-03-13 2007-02-23 Ableitung von mittelkanalton ATE472905T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US78207006P 2006-03-13 2006-03-13
US78291706P 2006-03-15 2006-03-15
PCT/US2007/004904 WO2007106324A1 (en) 2006-03-13 2007-02-23 Rendering center channel audio

Publications (1)

Publication Number Publication Date
ATE472905T1 true ATE472905T1 (de) 2010-07-15

Family

ID=38157935

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07751646T ATE472905T1 (de) 2006-03-13 2007-02-23 Ableitung von mittelkanalton

Country Status (8)

Country Link
US (1) US8045719B2 (de)
EP (1) EP2002692B1 (de)
JP (1) JP4887420B2 (de)
CN (1) CN101401456B (de)
AT (1) ATE472905T1 (de)
DE (1) DE602007007457D1 (de)
TW (1) TWI451772B (de)
WO (1) WO2007106324A1 (de)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE472905T1 (de) 2006-03-13 2010-07-15 Dolby Lab Licensing Corp Ableitung von mittelkanalton
WO2008110199A1 (en) * 2007-03-09 2008-09-18 Robert Bosch Gmbh Loudspeaker apparatus for radiating acoustic waves in a hemisphere
EP2162882B1 (de) 2007-06-08 2010-12-29 Dolby Laboratories Licensing Corporation Hybridableitung von surround-sound-audiokanälen durch steuerbares kombinieren von umgebungs- und matrixdekodierten signalkomponenten
US8351629B2 (en) 2008-02-21 2013-01-08 Robert Preston Parker Waveguide electroacoustical transducing
US8295526B2 (en) 2008-02-21 2012-10-23 Bose Corporation Low frequency enclosure for video display devices
US8351630B2 (en) 2008-05-02 2013-01-08 Bose Corporation Passive directional acoustical radiating
CN102439585B (zh) * 2009-05-11 2015-04-22 雅基达布鲁公司 从任意信号对提取共同及唯一分量
US8705769B2 (en) * 2009-05-20 2014-04-22 Stmicroelectronics, Inc. Two-to-three channel upmix for center channel derivation
US8000485B2 (en) * 2009-06-01 2011-08-16 Dts, Inc. Virtual audio processing for loudspeaker or headphone playback
WO2011039413A1 (en) * 2009-09-30 2011-04-07 Nokia Corporation An apparatus
US8139774B2 (en) * 2010-03-03 2012-03-20 Bose Corporation Multi-element directional acoustic arrays
US8265310B2 (en) 2010-03-03 2012-09-11 Bose Corporation Multi-element directional acoustic arrays
WO2011116839A1 (en) * 2010-03-26 2011-09-29 Bang & Olufsen A/S Multichannel sound reproduction method and device
RU2551792C2 (ru) * 2010-06-02 2015-05-27 Конинклейке Филипс Электроникс Н.В. Система и способ для обработки звука
US8553894B2 (en) 2010-08-12 2013-10-08 Bose Corporation Active and passive directional acoustic radiating
US9986356B2 (en) * 2012-02-15 2018-05-29 Harman International Industries, Incorporated Audio surround processing system
KR102887693B1 (ko) * 2013-04-26 2025-11-19 소니그룹주식회사 음성 처리 장치, 정보 처리 방법, 및 기록 매체
EP2980789A1 (de) * 2014-07-30 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Verbesserung eines Audiosignals, Tonverbesserungssystem
CN104394498B (zh) * 2014-09-28 2017-01-18 北京塞宾科技有限公司 一种三通道全息声场回放方法及声场采集装置
CN105828271B (zh) * 2015-01-09 2019-07-05 南京青衿信息科技有限公司 一种将两个声道声音信号转换成三个声道信号的方法
US9451355B1 (en) 2015-03-31 2016-09-20 Bose Corporation Directional acoustic device
US10057701B2 (en) 2015-03-31 2018-08-21 Bose Corporation Method of manufacturing a loudspeaker
CN112235695B (zh) 2016-01-18 2022-04-15 云加速360公司 用于音频信号串扰处理的方法、系统及介质
CN108781331B (zh) 2016-01-19 2020-11-06 云加速360公司 用于头戴式扬声器的音频增强
US10397730B2 (en) * 2016-02-03 2019-08-27 Global Delight Technologies Pvt. Ltd. Methods and systems for providing virtual surround sound on headphones
US10313820B2 (en) * 2017-07-11 2019-06-04 Boomcloud 360, Inc. Sub-band spatial audio enhancement
EP3704875B1 (de) * 2017-10-30 2023-05-31 Dolby Laboratories Licensing Corporation Virtuelle darstelung von objektbasiertem audio über einen beliebigen satz von lautsprechern
US10764704B2 (en) 2018-03-22 2020-09-01 Boomcloud 360, Inc. Multi-channel subband spatial processing for loudspeakers
US10966041B2 (en) * 2018-10-12 2021-03-30 Gilberto Torres Ayala Audio triangular system based on the structure of the stereophonic panning
CN112346694B (zh) * 2019-08-08 2023-03-21 海信视像科技股份有限公司 显示装置
US10841728B1 (en) 2019-10-10 2020-11-17 Boomcloud 360, Inc. Multi-channel crosstalk processing
CN111510847B (zh) * 2020-04-09 2021-09-03 瑞声科技(沭阳)有限公司 微型扬声器阵列、车内声场控制方法及装置、存储装置
CN115206332B (zh) * 2021-04-12 2025-09-16 炬芯科技股份有限公司 一种音效的处理方法、装置、电子设备及存储介质
JP2024046786A (ja) * 2022-09-26 2024-04-05 カシオ計算機株式会社 音響信号処理装置、方法、及びプログラム

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1522599A (en) * 1974-11-16 1978-08-23 Dolby Laboratories Inc Centre channel derivation for stereophonic cinema sound
GB9103207D0 (en) * 1991-02-15 1991-04-03 Gerzon Michael A Stereophonic sound reproduction system
JPH05191900A (ja) * 1992-01-13 1993-07-30 Clarion Co Ltd 3スピーカの音響再生装置
EP0593128B1 (de) 1992-10-15 1999-01-07 Koninklijke Philips Electronics N.V. System zur Ableitung eines Mittelkanalsignals aus einem Stereotonsignal
EP0608937B1 (de) 1993-01-27 2000-04-12 Koninklijke Philips Electronics N.V. Tonsignalverarbeitungsanordnung zur Ableitung eines Mittelkanalsignals und audiovisuelles Wiedergabesystem mit solcher Verarbeitungsanordnung
DE69423922T2 (de) * 1993-01-27 2000-10-05 Koninkl Philips Electronics Nv Tonsignalverarbeitungsanordnung zur Ableitung eines Mittelkanalsignals und audiovisuelles Wiedergabesystem mit solcher Verarbeitungsanordnung
US5610986A (en) * 1994-03-07 1997-03-11 Miles; Michael T. Linear-matrix audio-imaging system and image analyzer
US6853732B2 (en) * 1994-03-08 2005-02-08 Sonics Associates, Inc. Center channel enhancement of virtual sound images
CN1139300C (zh) * 1997-05-20 2004-02-18 日本胜利株式会社 处理音频环绕信号的方法和系统
KR20020059593A (ko) * 2000-07-17 2002-07-13 요트.게.아. 롤페즈 방향 감지 및 중앙 신호들과 같은 보조 오디오 신호들을얻어내기 위한 입체음향 오디오 처리 장치
TW576122B (en) * 2000-08-31 2004-02-11 Dolby Lab Licensing Corp Method for apparatus for audio matrix decoding
TWI238671B (en) * 2001-02-09 2005-08-21 Lucas Film Ltd Sound system and method of sound reproduction
US6829359B2 (en) * 2002-10-08 2004-12-07 Arilg Electronics Co, Llc Multispeaker sound imaging system
JP4480335B2 (ja) * 2003-03-03 2010-06-16 パイオニア株式会社 複数チャンネル音声信号の処理回路、処理プログラム及び再生装置
US7949141B2 (en) * 2003-11-12 2011-05-24 Dolby Laboratories Licensing Corporation Processing audio signals with head related transfer function filters and a reverberator
ATE472905T1 (de) 2006-03-13 2010-07-15 Dolby Lab Licensing Corp Ableitung von mittelkanalton
EP2162882B1 (de) * 2007-06-08 2010-12-29 Dolby Laboratories Licensing Corporation Hybridableitung von surround-sound-audiokanälen durch steuerbares kombinieren von umgebungs- und matrixdekodierten signalkomponenten

Also Published As

Publication number Publication date
CN101401456A (zh) 2009-04-01
EP2002692B1 (de) 2010-06-30
JP2009530909A (ja) 2009-08-27
TW200740265A (en) 2007-10-16
WO2007106324A1 (en) 2007-09-20
EP2002692A1 (de) 2008-12-17
DE602007007457D1 (de) 2010-08-12
JP4887420B2 (ja) 2012-02-29
TWI451772B (zh) 2014-09-01
US8045719B2 (en) 2011-10-25
CN101401456B (zh) 2013-01-02
US20090304189A1 (en) 2009-12-10

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