JP2004187300A - 指向性電気音響変換 - Google Patents

指向性電気音響変換 Download PDF

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Publication number
JP2004187300A
JP2004187300A JP2003404963A JP2003404963A JP2004187300A JP 2004187300 A JP2004187300 A JP 2004187300A JP 2003404963 A JP2003404963 A JP 2003404963A JP 2003404963 A JP2003404963 A JP 2003404963A JP 2004187300 A JP2004187300 A JP 2004187300A
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JP
Japan
Prior art keywords
audio
audio signal
directional
acoustic
signal
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP2003404963A
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English (en)
Japanese (ja)
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JP2004187300A5 (enExample
Inventor
J Richard Aylward
ジェイ・リチャード・アイルワード
Charles R Barker Iii
チャールズ・アール・バーカー，ザ・サード
Klaus Hartung
クラオス・ハルトウング
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bose Corp
Original Assignee
Bose 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
Priority claimed from US10/309,395 external-priority patent/US20040105550A1/en
Application filed by Bose Corp filed Critical Bose Corp
Publication of JP2004187300A publication Critical patent/JP2004187300A/ja
Publication of JP2004187300A5 publication Critical patent/JP2004187300A5/ja
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R27/00—Public address systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2205/00—Details of stereophonic arrangements covered by H04R5/00 but not provided for in any of its subgroups
    • H04R2205/024—Positioning of loudspeaker enclosures for spatial sound reproduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/13—Acoustic transducers and sound field adaptation in vehicles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Stereophonic Arrangements (AREA)
JP2003404963A 2002-12-03 2003-12-03 指向性電気音響変換 Pending JP2004187300A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/309,395 US20040105550A1 (en) 2002-12-03 2002-12-03 Directional electroacoustical transducing
US10/643,140 US8139797B2 (en) 2002-12-03 2003-08-18 Directional electroacoustical transducing

Publications (2)

Publication Number Publication Date
JP2004187300A true JP2004187300A (ja) 2004-07-02
JP2004187300A5 JP2004187300A5 (enExample) 2007-01-25

Family

ID=32314401

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003404963A Pending JP2004187300A (ja) 2002-12-03 2003-12-03 指向性電気音響変換

Country Status (4)

Country Link
US (2) US8139797B2 (enExample)
EP (1) EP1427253A3 (enExample)
JP (1) JP2004187300A (enExample)
CN (1) CN1509118B (enExample)

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WO2006070782A1 (ja) * 2004-12-28 2006-07-06 Matsushita Electric Industrial Co., Ltd. マルチチャンネルオーディオシステム、ならびに、マルチチャンネルオーディオ信号多重化装置、復元装置およびプログラム
JP2007074336A (ja) * 2005-09-07 2007-03-22 Yamaha Corp オーディオシステム及びオーディオ装置
JP2007143164A (ja) * 2005-11-18 2007-06-07 Bose Corp 車両用指向性電気音響変換方法及びそのシステム
JP2008270857A (ja) * 2007-04-16 2008-11-06 Sony Corp 音響再生システム
US20100135503A1 (en) * 2008-12-03 2010-06-03 Electronics And Telecommunications Research Institute Method and apparatus for controlling directional sound sources based on listening area
JP2010526484A (ja) * 2007-05-04 2010-07-29 ボーズ・コーポレーション 車両における音の有指向放射（ｄｉｒｅｃｔｉｏｎａｌｌｙｒａｄｉａｔｉｎｇｓｏｕｎｄｉｎａｖｅｈｉｃｌｅ）
JP2010534047A (ja) * 2007-07-19 2010-10-28 ボーズ・コーポレーション 指向性をもって音を放射するシステムおよび方法
JP2011254359A (ja) * 2010-06-03 2011-12-15 Yamaha Corp 音響再生装置
US8194898B2 (en) 2006-09-22 2012-06-05 Sony Corporation Sound reproducing system and sound reproducing method
WO2012144227A1 (ja) * 2011-04-22 2012-10-26 パナソニック株式会社 音声信号再生装置、音声信号再生方法
CN102761805A (zh) * 2012-02-14 2012-10-31 广州励丰文化科技股份有限公司 一种强指向性话筒
US8369531B2 (en) 2006-01-23 2013-02-05 Sony Corporation Audio reproducing apparatus and method thereof
US8483413B2 (en) 2007-05-04 2013-07-09 Bose Corporation System and method for directionally radiating sound
US8494192B2 (en) 2005-05-13 2013-07-23 Sony Corporation Audio reproducing system and method thereof
JP2016039568A (ja) * 2014-08-08 2016-03-22 キヤノン株式会社 音響処理装置および方法、並びにプログラム
JPWO2021024692A1 (enExample) * 2019-08-05 2021-02-11
JPWO2021205601A1 (enExample) * 2020-04-09 2021-10-14
JP2023017683A (ja) * 2021-07-26 2023-02-07 国立研究開発法人情報通信研究機構 音場制御装置、音場制御システム、音場制御方法およびプログラム

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JP7362320B2 (ja) * 2019-07-04 2023-10-17 フォルシアクラリオン・エレクトロニクス株式会社 オーディオ信号処理装置、オーディオ信号処理方法及びオーディオ信号処理プログラム
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FR3114209B1 (fr) * 2020-09-11 2022-12-30 Siou Jean Marc Systeme de reproduction de sons avec virtualisation du champ reverbere
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JP2008270857A (ja) * 2007-04-16 2008-11-06 Sony Corp 音響再生システム
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EP1427253A2 (en) 2004-06-09
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