DE69939976D1 - Digitaler Lautsprecher - Google Patents

Digitaler Lautsprecher

Info

Publication number
DE69939976D1
DE69939976D1 DE69939976T DE69939976T DE69939976D1 DE 69939976 D1 DE69939976 D1 DE 69939976D1 DE 69939976 T DE69939976 T DE 69939976T DE 69939976 T DE69939976 T DE 69939976T DE 69939976 D1 DE69939976 D1 DE 69939976D1
Authority
DE
Germany
Prior art keywords
digital speaker
speaker
digital
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
DE69939976T
Other languages
English (en)
Inventor
David R Thomas
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.)
Texas Instruments Inc
Original Assignee
Texas Instruments Inc
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 Texas Instruments Inc filed Critical Texas Instruments Inc
Application granted granted Critical
Publication of DE69939976D1 publication Critical patent/DE69939976D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/005—Details of transducers, loudspeakers or microphones using digitally weighted transducing elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00—Electrostatic transducers
    • H04R19/005—Electrostatic transducers using semiconductor materials
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
DE69939976T 1999-05-28 1999-05-28 Digitaler Lautsprecher Expired - Lifetime DE69939976D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19990401288 EP1063866B1 (de) 1999-05-28 1999-05-28 Digitaler Lautsprecher

Publications (1)

Publication Number Publication Date
DE69939976D1 true DE69939976D1 (de) 2009-01-08

Family

ID=8241987

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69939976T Expired - Lifetime DE69939976D1 (de) 1999-05-28 1999-05-28 Digitaler Lautsprecher

Country Status (4)

Country Link
EP (1) EP1063866B1 (de)
JP (1) JP2001016675A (de)
CN (1) CN1310575A (de)
DE (1) DE69939976D1 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1206160A1 (de) * 2000-11-09 2002-05-15 Texas Instruments Incorporated Digitaler Lautsprecher
GB0102864D0 (en) * 2001-02-06 2001-03-21 Secr Defence Brit Panel form loudspeaker
GB0102865D0 (en) * 2001-02-06 2001-03-21 Secr Defence Brit Panel form loudspeaker
SE0101720D0 (sv) * 2001-05-16 2001-05-16 Bang & Olufsen Powerhouse As Apparatus for electric to acoustic conversion
AU2002331624A1 (en) * 2001-08-17 2003-03-03 Carnegie Mellon University Method and apparatus for reconstruction of soundwaves from digital signals
US6943448B2 (en) 2003-01-23 2005-09-13 Akustica, Inc. Multi-metal layer MEMS structure and process for making the same
JP4134755B2 (ja) 2003-02-28 2008-08-20 ヤマハ株式会社 スピーカーアレイ駆動装置
DE102004048990A1 (de) 2004-10-04 2006-04-06 Volkswagen Ag Lautsprecheranordnung in einem Kraftfahrzeug
US7825484B2 (en) * 2005-04-25 2010-11-02 Analog Devices, Inc. Micromachined microphone and multisensor and method for producing same
CN101060726B (zh) * 2006-04-21 2011-10-12 探微科技股份有限公司 制作电容式麦克风元件的振膜的方法
CN101064969B (zh) * 2006-04-24 2011-11-30 探微科技股份有限公司 制作电容式麦克风元件的振膜的方法
CN101542909B (zh) 2006-05-21 2012-05-30 株式会社特瑞君思半导体 数字模拟变换装置
US8457338B2 (en) 2006-05-22 2013-06-04 Audio Pixels Ltd. Apparatus and methods for generating pressure waves
WO2007135681A1 (en) 2006-05-22 2007-11-29 Audio Pixels Ltd. Arrays of current bearing elements useful for generating pressure waves
KR101359059B1 (ko) 2006-05-22 2014-02-05 오디오 픽셀즈 리미티드 다이렉트 디지털 스피커의 음량 및 음색 제어 장치 및 그 제어 방법
US20080019543A1 (en) * 2006-07-19 2008-01-24 Yamaha Corporation Silicon microphone and manufacturing method therefor
KR101759042B1 (ko) 2007-11-21 2017-07-17 오디오 픽셀즈 리미티드 디지털 스피커 장치의 작동 장치 및 작동 시스템
JP5552614B2 (ja) * 2008-06-16 2014-07-16 株式会社 Ｔｒｉｇｅｎｃｅ Ｓｅｍｉｃｏｎｄｕｃｔｏｒ デジタルスピーカー駆動装置，デジタルスピーカー装置，アクチュエータ，平面ディスプレイ装置及び携帯電子機器
CN201430684Y (zh) * 2009-04-30 2010-03-24 比亚迪股份有限公司 一种集成降噪功能的麦克风
EP2391014B1 (de) 2009-12-09 2017-12-27 Trigence Semiconductor, Inc. Auswahlvorrichtung
CN103096217B (zh) 2009-12-16 2016-09-28 株式会社特瑞君思半导体 音响系统
CA2792741C (en) 2010-03-11 2019-01-22 Audio Pixels Ltd. Electrostatic parallel plate actuators whose moving elements are driven only by electrostatic force and methods useful in conjunction therewith
KR101831013B1 (ko) * 2010-11-26 2018-02-21 오디오 픽셀즈 리미티드 액츄에이터 어레이에서의 개별 어드레싱 및 잡음 감소를 위한 장치 및 방법
DE102011003168A1 (de) * 2011-01-26 2012-07-26 Robert Bosch Gmbh Lautsprechersystem
CN102137321B (zh) * 2011-05-06 2014-04-16 深圳市豪恩声学股份有限公司 薄膜型传声器阵列
US9880533B2 (en) 2012-05-25 2018-01-30 Audio Pixels Ltd. System, a method and a computer program product for controlling a group of actuator arrays for producing a physical effect
US10007244B2 (en) 2012-05-25 2018-06-26 Audio Pixels Ltd. System, a method and a computer program product for controlling a set of actuator elements
JP6760960B2 (ja) 2015-04-15 2020-09-23 オーディオ ピクセルズ エルティーディー．Ａｕｄｉｏ Ｐｉｘｅｌｓ Ｌｔｄ． 空間内で少なくとも物体の位置を検出する方法およびシステム
EP3101907A1 (de) 2015-06-01 2016-12-07 Université du Maine Digitaler lautsprecher
US10003889B2 (en) 2015-08-04 2018-06-19 Infineon Technologies Ag System and method for a multi-electrode MEMS device
US11153690B2 (en) * 2018-08-22 2021-10-19 Dsp Group Ltd. Electrostatic speaker and a method for generating acoustic signals

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4515997A (en) * 1982-09-23 1985-05-07 Stinger Jr Walter E Direct digital loudspeaker
DK0561566T3 (da) * 1992-03-18 2000-03-27 Knowles Electronics Llc Faststofkondensatormikrofon
US5517570A (en) * 1993-12-14 1996-05-14 Taylor Group Of Companies, Inc. Sound reproducing array processor system
GB9506725D0 (en) * 1995-03-31 1995-05-24 Hooley Anthony Improvements in or relating to loudspeakers

Also Published As

Publication number Publication date
JP2001016675A (ja) 2001-01-19
EP1063866A1 (de) 2000-12-27
EP1063866B1 (de) 2008-11-26
CN1310575A (zh) 2001-08-29

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