DE69113310D1 - Mikrophongerät. - Google Patents

Mikrophongerät.

Info

Publication number
DE69113310D1
DE69113310D1 DE69113310T DE69113310T DE69113310D1 DE 69113310 D1 DE69113310 D1 DE 69113310D1 DE 69113310 T DE69113310 T DE 69113310T DE 69113310 T DE69113310 T DE 69113310T DE 69113310 D1 DE69113310 D1 DE 69113310D1
Authority
DE
Germany
Prior art keywords
microphone device
microphone
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
DE69113310T
Other languages
English (en)
Other versions
DE69113310T2 (de
Inventor
Masashi Ohkubo
Tooru Sasaki
Yasushi Katsumata
Akira Kimura
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.)
Sony Corp
Original Assignee
Sony 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 JP2093701A external-priority patent/JP2993038B2/ja
Priority claimed from JP2097083A external-priority patent/JP3000617B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE69113310D1 publication Critical patent/DE69113310D1/de
Publication of DE69113310T2 publication Critical patent/DE69113310T2/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
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
    • 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
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/105—Appliances, e.g. washing machines or dishwashers
    • G10K2210/1051—Camcorder
    • 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
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/108—Communication systems, e.g. where useful sound is kept and noise is cancelled
    • 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
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/129—Vibration, e.g. instead of, or in addition to, acoustic noise
    • 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
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/301—Computational
    • G10K2210/3033—Information contained in memory, e.g. stored signals or transfer functions
    • 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
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/301—Computational
    • G10K2210/3045—Multiple acoustic inputs, single acoustic output

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
DE69113310T 1990-04-09 1991-04-09 Mikrophongerät. Expired - Lifetime DE69113310T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2093701A JP2993038B2 (ja) 1990-04-09 1990-04-09 マイクロホン装置
JP2097083A JP3000617B2 (ja) 1990-04-12 1990-04-12 マイクロホン装置

Publications (2)

Publication Number Publication Date
DE69113310D1 true DE69113310D1 (de) 1995-11-02
DE69113310T2 DE69113310T2 (de) 1996-03-14

Family

ID=26435002

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69113310T Expired - Lifetime DE69113310T2 (de) 1990-04-09 1991-04-09 Mikrophongerät.

Country Status (4)

Country Link
US (1) US5243661A (de)
EP (1) EP0452103B1 (de)
KR (1) KR100229299B1 (de)
DE (1) DE69113310T2 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3279612B2 (ja) * 1991-12-06 2002-04-30 ソニー株式会社 雑音低減装置
JPH05316587A (ja) * 1992-05-08 1993-11-26 Sony Corp マイクロホン装置
JP3176474B2 (ja) * 1992-06-03 2001-06-18 沖電気工業株式会社 適応ノイズキャンセラ装置
JP2839815B2 (ja) * 1993-02-26 1998-12-16 松下電器産業株式会社 ビデオカメラ用収音装置
US5469510A (en) * 1993-06-28 1995-11-21 Ford Motor Company Arbitration adjustment for acoustic reproduction systems
US5404064A (en) * 1993-09-02 1995-04-04 The United States Of America As Represented By The Secretary Of The Navy Low-frequency electrostrictive ceramic plate voltage sensor
US5781640A (en) * 1995-06-07 1998-07-14 Nicolino, Jr.; Sam J. Adaptive noise transformation system
JP4196431B2 (ja) * 1998-06-16 2008-12-17 パナソニック株式会社 機器内蔵型マイクロホン装置及び撮像装置
WO2000014731A1 (en) * 1998-09-09 2000-03-16 Ericsson Inc. Apparatus and method for transmitting an improved voice signal over a communications device located in a vehicle with adaptive vibration noise cancellation
JP2000115881A (ja) * 1998-10-05 2000-04-21 Matsushita Electric Ind Co Ltd 集音装置
DE10018666A1 (de) 2000-04-14 2001-10-18 Harman Audio Electronic Sys Vorrichtung und Verfahren zum geräuschabhängigen Anpassen eines akustischen Nutzsignals
US20040125962A1 (en) * 2000-04-14 2004-07-01 Markus Christoph Method and apparatus for dynamic sound optimization
KR100394840B1 (ko) * 2000-11-30 2003-08-19 한국과학기술원 독립 성분 분석을 이용한 능동 잡음 제거방법
US20030223590A1 (en) * 2002-05-28 2003-12-04 Su Keng Kuei Assembly for eliminating noise for microphones and method for making the same
US20040032509A1 (en) * 2002-08-15 2004-02-19 Owens James W. Camera having audio noise attenuation capability
US20040047475A1 (en) * 2002-09-09 2004-03-11 Ford Global Technologies, Inc. Audio noise cancellation system for a sensor in an automotive vehicle
US20040125922A1 (en) * 2002-09-12 2004-07-01 Specht Jeffrey L. Communications device with sound masking system
JP4186745B2 (ja) * 2003-08-01 2008-11-26 ソニー株式会社 マイクロホン装置、ノイズ低減方法および記録装置
EP1580882B1 (de) * 2004-03-19 2007-01-10 Harman Becker Automotive Systems GmbH System und Verfahren zur Verbesserung eines Audiosignals
JP4218573B2 (ja) * 2004-04-12 2009-02-04 ソニー株式会社 ノイズ低減方法及び装置
EP1619793B1 (de) * 2004-07-20 2015-06-17 Harman Becker Automotive Systems GmbH Audioverbesserungssystem und -verfahren
US8170221B2 (en) * 2005-03-21 2012-05-01 Harman Becker Automotive Systems Gmbh Audio enhancement system and method
DE602005015426D1 (de) 2005-05-04 2009-08-27 Harman Becker Automotive Sys System und Verfahren zur Intensivierung von Audiosignalen
US8351632B2 (en) 2005-08-23 2013-01-08 Analog Devices, Inc. Noise mitigating microphone system and method
US8130979B2 (en) 2005-08-23 2012-03-06 Analog Devices, Inc. Noise mitigating microphone system and method
TWI323547B (en) * 2006-09-21 2010-04-11 Altek Corp Method for eliminating a sound of motor and digital image capture device using the method
US20080267421A1 (en) * 2007-04-30 2008-10-30 Hewlett-Packard Development Company, L.P. Reducing chassis induced noise with a microphone array
US9392360B2 (en) * 2007-12-11 2016-07-12 Andrea Electronics Corporation Steerable sensor array system with video input
US9319150B2 (en) * 2012-10-29 2016-04-19 Dell Products, Lp Reduction of haptic noise feedback in system
US10909961B2 (en) * 2018-02-21 2021-02-02 Gopro, Inc. Reduction of microphone audio noise from gimbal motor
US11187717B2 (en) 2018-10-16 2021-11-30 Ruben Flores Radio frequency accelerometer

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5715205A (en) * 1980-06-30 1982-01-26 Olympus Optical Co Ltd Tape recorder
US4329714A (en) * 1980-11-26 1982-05-11 Rca Corporation Audio distortion eliminator
US4377793A (en) * 1981-01-13 1983-03-22 Communications Satellite Corporation Digital adaptive finite impulse response filter with large number of coefficients
US4589137A (en) * 1985-01-03 1986-05-13 The United States Of America As Represented By The Secretary Of The Navy Electronic noise-reducing system
JPS61194914A (ja) * 1985-02-22 1986-08-29 Fujitsu Ltd ノイズキヤンセラ
US4658426A (en) * 1985-10-10 1987-04-14 Harold Antin Adaptive noise suppressor
CA1293693C (en) * 1985-10-30 1991-12-31 Tetsu Taguchi Noise canceling apparatus
JPS62135020A (ja) * 1985-12-06 1987-06-18 Nec Corp 雑音消去装置

Also Published As

Publication number Publication date
DE69113310T2 (de) 1996-03-14
EP0452103A3 (en) 1992-07-08
KR910019474A (ko) 1991-11-30
US5243661A (en) 1993-09-07
KR100229299B1 (ko) 1999-11-01
EP0452103B1 (de) 1995-09-27
EP0452103A2 (de) 1991-10-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition