TW200740265A - Rendering center channel audio - Google Patents

Rendering center channel audio

Info

Publication number
TW200740265A
TW200740265A TW096106766A TW96106766A TW200740265A TW 200740265 A TW200740265 A TW 200740265A TW 096106766 A TW096106766 A TW 096106766A TW 96106766 A TW96106766 A TW 96106766A TW 200740265 A TW200740265 A TW 200740265A
Authority
TW
Taiwan
Prior art keywords
channels
signals
channel audio
center channel
reproduction
Prior art date
Application number
TW096106766A
Other languages
English (en)
Other versions
TWI451772B (zh
Inventor
Mark Stuart 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
Publication of TW200740265A publication Critical patent/TW200740265A/zh
Application granted granted Critical
Publication of TWI451772B publication Critical patent/TWI451772B/zh

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
TW096106766A 2006-03-13 2007-02-27 中央聲道音訊呈現技術 TWI451772B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US78207006P 2006-03-13 2006-03-13
US78291706P 2006-03-15 2006-03-15

Publications (2)

Publication Number Publication Date
TW200740265A true TW200740265A (en) 2007-10-16
TWI451772B TWI451772B (zh) 2014-09-01

Family

ID=38157935

Family Applications (1)

Application Number Title Priority Date Filing Date
TW096106766A TWI451772B (zh) 2006-03-13 2007-02-27 中央聲道音訊呈現技術

Country Status (8)

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

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CN101401456B (zh) 2006-03-13 2013-01-02 杜比实验室特许公司 呈现中央声道音频的方法和装置
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US8351629B2 (en) 2008-02-21 2013-01-08 Robert Preston Parker Waveguide electroacoustical transducing
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KR20120028915A (ko) * 2009-05-11 2012-03-23 아키타 블루, 인크. 임의의 신호의 쌍으로부터 공통 및 고유 구성요소의 추출
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
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US8265310B2 (en) 2010-03-03 2012-09-11 Bose Corporation Multi-element directional acoustic arrays
US8139774B2 (en) * 2010-03-03 2012-03-20 Bose Corporation Multi-element directional acoustic arrays
CN102804814B (zh) * 2010-03-26 2015-09-23 邦及欧路夫森有限公司 多通道声音重放方法和设备
JP5957446B2 (ja) * 2010-06-02 2016-07-27 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 音響処理システム及び方法
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US9986356B2 (en) * 2012-02-15 2018-05-29 Harman International Industries, Incorporated Audio surround processing system
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EP2980789A1 (en) * 2014-07-30 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for enhancing an audio signal, sound enhancing system
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
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US10225657B2 (en) 2016-01-18 2019-03-05 Boomcloud 360, Inc. Subband spatial and crosstalk cancellation for audio reproduction
BR112018014632B1 (pt) * 2016-01-18 2020-12-29 Boomcloud 360, Inc. método para produzir dois canais de áudio e sistema
EP3406085B1 (en) 2016-01-19 2024-05-01 Boomcloud 360, Inc. Audio enhancement for head-mounted speakers
WO2017134688A1 (en) 2016-02-03 2017-08-10 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
WO2019089322A1 (en) * 2017-10-30 2019-05-09 Dolby Laboratories Licensing Corporation Virtual rendering of object based audio over an arbitrary set of loudspeakers
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
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EP2162882B1 (en) * 2007-06-08 2010-12-29 Dolby Laboratories Licensing Corporation Hybrid derivation of surround sound audio channels by controllably combining ambience and matrix-decoded signal components

Also Published As

Publication number Publication date
US8045719B2 (en) 2011-10-25
ATE472905T1 (de) 2010-07-15
WO2007106324A1 (en) 2007-09-20
JP2009530909A (ja) 2009-08-27
TWI451772B (zh) 2014-09-01
EP2002692B1 (en) 2010-06-30
EP2002692A1 (en) 2008-12-17
CN101401456A (zh) 2009-04-01
JP4887420B2 (ja) 2012-02-29
US20090304189A1 (en) 2009-12-10
CN101401456B (zh) 2013-01-02
DE602007007457D1 (de) 2010-08-12

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