DE50007789D1 - Verfahren zur wiedergabe von audioschall mit ultraschall-lautsprechern - Google Patents

Verfahren zur wiedergabe von audioschall mit ultraschall-lautsprechern

Info

Publication number
DE50007789D1
DE50007789D1 DE50007789T DE50007789T DE50007789D1 DE 50007789 D1 DE50007789 D1 DE 50007789D1 DE 50007789 T DE50007789 T DE 50007789T DE 50007789 T DE50007789 T DE 50007789T DE 50007789 D1 DE50007789 D1 DE 50007789D1
Authority
DE
Germany
Prior art keywords
ultrasonic
signal
audio sound
playing audio
ultrasonic speakers
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.)
Expired - Lifetime
Application number
DE50007789T
Other languages
English (en)
Inventor
Wolfgang Niehoff
Vladimir Gorelik
Oliver Gelhard
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.)
Sennheiser Electronic GmbH and Co KG
Original Assignee
Sennheiser Electronic GmbH and Co KG
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 Sennheiser Electronic GmbH and Co KG filed Critical Sennheiser Electronic GmbH and Co KG
Priority to DE50007789T priority Critical patent/DE50007789D1/de
Application granted granted Critical
Publication of DE50007789D1 publication Critical patent/DE50007789D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K15/00—Acoustics not otherwise provided for
    • G10K15/02—Synthesis of acoustic waves
    • 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
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2217/00—Details of magnetostrictive, piezoelectric, or electrostrictive transducers covered by H04R15/00 or H04R17/00 but not provided for in any of their subgroups
    • H04R2217/03—Parametric transducers where sound is generated or captured by the acoustic demodulation of amplitude modulated ultrasonic waves
    • 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
DE50007789T 1999-04-30 2000-05-02 Verfahren zur wiedergabe von audioschall mit ultraschall-lautsprechern Expired - Lifetime DE50007789D1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE50007789T DE50007789D1 (de) 1999-04-30 2000-05-02 Verfahren zur wiedergabe von audioschall mit ultraschall-lautsprechern

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19919980 1999-04-30
PCT/EP2000/003931 WO2001008449A1 (de) 1999-04-30 2000-05-02 Verfahren zur wiedergabe von audioschall mit ultraschall-lautsprechern
DE50007789T DE50007789D1 (de) 1999-04-30 2000-05-02 Verfahren zur wiedergabe von audioschall mit ultraschall-lautsprechern

Publications (1)

Publication Number Publication Date
DE50007789D1 true DE50007789D1 (de) 2004-10-21

Family

ID=7906594

Family Applications (1)

Application Number Title Priority Date Filing Date
DE50007789T Expired - Lifetime DE50007789D1 (de) 1999-04-30 2000-05-02 Verfahren zur wiedergabe von audioschall mit ultraschall-lautsprechern

Country Status (6)

Country Link
US (1) US20050207590A1 (de)
EP (2) EP1175812B1 (de)
AT (1) ATE276636T1 (de)
AU (1) AU4403600A (de)
DE (1) DE50007789D1 (de)
WO (1) WO2001008449A1 (de)

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KR100638960B1 (ko) 1999-09-29 2006-10-25 1...리미티드 음향 지향 방법 및 장치
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AU2002244845A1 (en) * 2001-03-27 2002-10-08 1... Limited Method and apparatus to create a sound field
DE10117528B4 (de) * 2001-04-07 2004-04-01 Daimlerchrysler Ag Ultraschallbasiertes parametrisches Mehrwege-Lautsprechersystem
DE10117529B4 (de) * 2001-04-07 2005-04-28 Daimler Chrysler Ag Ultraschallbasiertes parametrisches Lautsprechersystem
DE10140646C2 (de) * 2001-08-18 2003-11-20 Daimler Chrysler Ag Verfahren und Vorrichtung zur gerichteten Audio-Beschallung
WO2003065570A2 (en) 2002-01-18 2003-08-07 American Technology Corporation Modulator- amplifier
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US6793177B2 (en) 2002-11-04 2004-09-21 The Bonutti 2003 Trust-A Active drag and thrust modulation system and method
DE10255794B3 (de) * 2002-11-28 2004-09-02 Daimlerchrysler Ag Akustische Schallführung im Fahrzeug
GB0301093D0 (en) * 2003-01-17 2003-02-19 1 Ltd Set-up method for array-type sound systems
GB0304126D0 (en) * 2003-02-24 2003-03-26 1 Ltd Sound beam loudspeaker system
GB0321676D0 (en) * 2003-09-16 2003-10-15 1 Ltd Digital loudspeaker
KR200355341Y1 (ko) * 2004-04-02 2004-07-06 주식회사 솔리토닉스 초음파 스피커 시스템을 구비하는 이동통신 단말기용 보드
SG115665A1 (en) * 2004-04-06 2005-10-28 Sony Corp Method and apparatus to generate an audio beam with high quality
GB0415625D0 (en) * 2004-07-13 2004-08-18 1 Ltd Miniature surround-sound loudspeaker
GB0415626D0 (en) * 2004-07-13 2004-08-18 1 Ltd Directional microphone
WO2006016156A1 (en) * 2004-08-10 2006-02-16 1...Limited Non-planar transducer arrays
GB0514361D0 (en) * 2005-07-12 2005-08-17 1 Ltd Compact surround sound effects system
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US8116482B2 (en) * 2006-08-28 2012-02-14 Southwest Research Institute Low noise microphone for use in windy environments and/or in the presence of engine noise
EP2109328B1 (de) 2008-04-09 2014-10-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zur Verarbeitung eines Audiosignals
US8837743B2 (en) 2009-06-05 2014-09-16 Koninklijke Philips N.V. Surround sound system and method therefor
US8340435B2 (en) 2009-06-11 2012-12-25 California Institute Of Technology Method and system for object recognition search
JP4752963B2 (ja) * 2009-08-05 2011-08-17 株式会社デンソー 車両存在報知装置
JP5825737B2 (ja) 2010-06-14 2015-12-02 パラメトリック サウンド コーポレーション パラメトリック信号処理・放射システムおよびその関連方法
DE102012000745A1 (de) * 2011-04-07 2012-10-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Wiedergabegerät für Ton und Bild
US9036831B2 (en) 2012-01-10 2015-05-19 Turtle Beach Corporation Amplification system, carrier tracking systems and related methods for use in parametric sound systems
ES2375857B1 (es) * 2012-01-13 2012-09-12 Universitat Ramón Llull Fundació Privada Fuente sonora omnidireccional y procedimiento para generar sonidos omnidireccionales.
WO2013158298A1 (en) 2012-04-18 2013-10-24 Parametric Sound Corporation Parametric transducers related methods
US8934650B1 (en) 2012-07-03 2015-01-13 Turtle Beach Corporation Low profile parametric transducers and related methods
US20150249887A1 (en) * 2012-09-14 2015-09-03 Nec Casio Mobile Communications, Ltd. Speaker device and electronic apparatus
WO2014127126A1 (en) * 2013-02-14 2014-08-21 New York University Handphone
US8903104B2 (en) 2013-04-16 2014-12-02 Turtle Beach Corporation Video gaming system with ultrasonic speakers
US8988911B2 (en) 2013-06-13 2015-03-24 Turtle Beach Corporation Self-bias emitter circuit
US9332344B2 (en) 2013-06-13 2016-05-03 Turtle Beach Corporation Self-bias emitter circuit
US9525953B2 (en) * 2013-10-03 2016-12-20 Russell Louis Storms, Sr. Method and apparatus for transit system annunciators
WO2015061228A1 (en) * 2013-10-21 2015-04-30 Turtle Beach Corporation Improved parametric transducer with adaptive carrier amplitude
WO2015061347A1 (en) * 2013-10-21 2015-04-30 Turtle Beach Corporation Dynamic location determination for a directionally controllable parametric emitter
US20150110286A1 (en) * 2013-10-21 2015-04-23 Turtle Beach Corporation Directionally controllable parametric emitter
US9131068B2 (en) 2014-02-06 2015-09-08 Elwha Llc Systems and methods for automatically connecting a user of a hands-free intercommunication system
US9779593B2 (en) 2014-08-15 2017-10-03 Elwha Llc Systems and methods for positioning a user of a hands-free intercommunication system
US9565284B2 (en) 2014-04-16 2017-02-07 Elwha Llc Systems and methods for automatically connecting a user of a hands-free intercommunication system
US20160118036A1 (en) 2014-10-23 2016-04-28 Elwha Llc Systems and methods for positioning a user of a hands-free intercommunication system
AT515579A1 (de) * 2014-03-04 2015-10-15 Siemens Ag Oesterreich Beschallungssystem
TWI544807B (zh) * 2014-07-18 2016-08-01 緯創資通股份有限公司 具喇叭模組的顯示裝置
DE102017211923A1 (de) * 2017-07-12 2019-02-07 Zf Friedrichshafen Ag Lokalisierte Informationsausgabe
CN108777139A (zh) * 2018-04-08 2018-11-09 杭州电子科技大学 一种声音定向传播的闹钟
US10887368B2 (en) * 2019-02-25 2021-01-05 International Business Machines Corporation Monitoring quality of a conference call for muted participants thereto
CN113573207B (zh) * 2020-04-29 2022-09-23 维沃移动通信有限公司 电子设备
US20220130369A1 (en) * 2020-10-28 2022-04-28 Gulfstream Aerospace Corporation Quiet flight deck communication using ultrasonic phased array
US11256878B1 (en) * 2020-12-04 2022-02-22 Zaps Labs, Inc. Directed sound transmission systems and methods
CN112995840A (zh) * 2021-02-19 2021-06-18 歌尔科技有限公司 基于超声波的传声方法、装置、设备及可读存储介质

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US5159703A (en) * 1989-12-28 1992-10-27 Lowery Oliver M Silent subliminal presentation system
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DE19628849C2 (de) * 1996-07-17 2002-10-17 Eads Deutschland Gmbh Akustischer Richtstrahler durch modulierten Ultraschall
US5859915A (en) * 1997-04-30 1999-01-12 American Technology Corporation Lighted enhanced bullhorn

Also Published As

Publication number Publication date
EP1484944A2 (de) 2004-12-08
EP1175812A1 (de) 2002-01-30
EP1175812B1 (de) 2004-09-15
US20050207590A1 (en) 2005-09-22
ATE276636T1 (de) 2004-10-15
EP1484944A3 (de) 2004-12-15
WO2001008449A1 (de) 2001-02-01
AU4403600A (en) 2001-02-13

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