KR910011083A - 마이크로폰장치 - Google Patents

마이크로폰장치 Download PDF

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Publication number
KR910011083A
KR910011083A KR1019900019129A KR900019129A KR910011083A KR 910011083 A KR910011083 A KR 910011083A KR 1019900019129 A KR1019900019129 A KR 1019900019129A KR 900019129 A KR900019129 A KR 900019129A KR 910011083 A KR910011083 A KR 910011083A
Authority
KR
South Korea
Prior art keywords
microphone
output signal
omnidirectional microphone
pass filter
omnidirectional
Prior art date
Application number
KR1019900019129A
Other languages
English (en)
Inventor
키미노리 오노
미찌오 마쯔모또
히로유끼 나오노
히로시 코바야시
유지 야마시나
Original Assignee
다니이 아끼오
마쯔시다덴기산교 가부시기가이샤
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 다니이 아끼오, 마쯔시다덴기산교 가부시기가이샤 filed Critical 다니이 아끼오
Publication of KR910011083A publication Critical patent/KR910011083A/ko
Priority to KR2019940016467U priority Critical patent/KR940006042Y1/ko

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
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2410/00—Microphones
    • H04R2410/01—Noise reduction using microphones having different directional characteristics
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2410/00—Microphones
    • H04R2410/07—Mechanical or electrical reduction of wind noise generated by wind passing a microphone

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)
  • Details Of Audible-Bandwidth Transducers (AREA)

Abstract

내용 없음

Description

마이크로폰장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 일실시예에 있어서 마이크폰장치를 도시한 블록도.
제4도는 본 발명의 다른 실시예에 있어서 마이크론폰장치를 도시한 블록도.
제5도는 제4도의 마이크로폰장치의 주파수응답을 도시한 선도.

Claims (3)

  1. 서로 인접하여 배치된 2개의 마이크로폰과, 지향성특성이 저주파수 영역에서는 무지향성이 되고 고주파수영역에서는 단일지향성이 되도록 상기 2개의 마이크로폰의 출력신호를 처리하기 위한 신호처리수단으로 구성된 마이크로폰장치.
  2. 무지향성 마이크로폰과, 상기 무지향성 마이크로폰에 인접하여 배치된 단일 지향성 마이크로폰과, 상기 무지향성 마이크로폰의 출력신호의 고주파수성분을 제거하기위한 저역통과 필터와, 상기 단일지향성 마이크로폰의 출력신호의 저주파수성분을 제거하기위한 고역통과 필터와, 상기 저역통과 필터 및 고역통과필터의 출력신호를 합성하기 위한 수단으로 구성된 마이크로폰장치.
  3. 제1무지향성 마이크로폰과, 상기 제1무지향성 마이크로폰의 주측과 일직선상에 주측이 맞추어지도록 제1무지향성 마이크로폰에서 거리를 두고 배치된 제2무지향성 마이크로폰과, 상기 제2무지향성 마이크로폰의 출력신호를 지연하기 위한 지연유닛과, 상기 제1무지향성 마이크로폰의 출력신호의 저주파수성분을 제거하기 위한 고역통과 필터와, 상기 고역통과 필터의 출력신호로부터 지연유닛의 출력신호를 감산하기 위한 감산기로 구성된 마이크로폰장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900019129A 1989-11-27 1990-11-24 마이크로폰장치 KR910011083A (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019940016467U KR940006042Y1 (ko) 1989-11-27 1994-07-04 마이크로폰장치

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP30703689 1989-11-27
JP1-307036 1989-11-27

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR2019940016467U Division KR940006042Y1 (ko) 1989-11-27 1994-07-04 마이크로폰장치

Publications (1)

Publication Number Publication Date
KR910011083A true KR910011083A (ko) 1991-06-29

Family

ID=17964271

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900019129A KR910011083A (ko) 1989-11-27 1990-11-24 마이크로폰장치

Country Status (4)

Country Link
US (1) US5193117A (ko)
EP (1) EP0430513B1 (ko)
KR (1) KR910011083A (ko)
DE (1) DE69022688T2 (ko)

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JP2687712B2 (ja) * 1990-07-26 1997-12-08 三菱電機株式会社 一体型ビデオカメラ
DE69221762T2 (de) * 1991-04-18 1998-03-05 Matsushita Electric Ind Co Ltd Mikrofon-Apparat
JP3279612B2 (ja) * 1991-12-06 2002-04-30 ソニー株式会社 雑音低減装置
NO175798C (no) * 1992-07-22 1994-12-07 Sinvent As Fremgangsmåte og anordning til aktiv stöydemping i et lokalt område
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
JPH07298387A (ja) * 1994-04-28 1995-11-10 Canon Inc ステレオ音声入力装置
DE69531413T2 (de) * 1994-05-18 2004-04-15 Nippon Telegraph And Telephone Corp. Sender-Empfänger mit einem akustischen Wandler vom Ohrpassstück-Typ
US5506908A (en) * 1994-06-30 1996-04-09 At&T Corp. Directional microphone system
US6535610B1 (en) 1996-02-07 2003-03-18 Morgan Stanley & Co. Incorporated Directional microphone utilizing spaced apart omni-directional microphones
JP3797751B2 (ja) * 1996-11-27 2006-07-19 富士通株式会社 マイクロホンシステム
US6272360B1 (en) * 1997-07-03 2001-08-07 Pan Communications, Inc. Remotely installed transmitter and a hands-free two-way voice terminal device using same
US6603861B1 (en) * 1997-08-20 2003-08-05 Phonak Ag Method for electronically beam forming acoustical signals and acoustical sensor apparatus
NL1007858C2 (nl) * 1997-12-19 1999-06-22 Microtronic Nederland Bv Richtingsgevoelige gehoorinrichting.
US6278377B1 (en) 1999-08-25 2001-08-21 Donnelly Corporation Indicator for vehicle accessory
US6091829A (en) * 1998-01-23 2000-07-18 Earthworks, Inc. Microphone apparatus
JP2000115881A (ja) * 1998-10-05 2000-04-21 Matsushita Electric Ind Co Ltd 集音装置
US6741713B1 (en) 1998-12-17 2004-05-25 Sonionmicrotronic Nederlan B.V. Directional hearing device
US7120261B1 (en) 1999-11-19 2006-10-10 Gentex Corporation Vehicle accessory microphone
US8682005B2 (en) * 1999-11-19 2014-03-25 Gentex Corporation Vehicle accessory microphone
US7447320B2 (en) 2001-02-14 2008-11-04 Gentex Corporation Vehicle accessory microphone
WO2001037519A2 (en) 1999-11-19 2001-05-25 Gentex Corporation Vehicle accessory microphone
NL1015111C2 (nl) * 2000-05-04 2001-11-06 Ronald Jan Geluk Microfoon met frequentie-afhankelijke richtwerking.
AU2002250080A1 (en) 2001-02-14 2002-08-28 Gentex Corporation Vehicle accessory microphone
JP2004075818A (ja) * 2002-08-15 2004-03-11 Fuji Photo Film Co Ltd インク組成物及びインクジェット記録方法
WO2005091676A1 (en) 2004-03-23 2005-09-29 Oticon A/S Listening device with two or more microphones
US7697827B2 (en) 2005-10-17 2010-04-13 Konicek Jeffrey C User-friendlier interfaces for a camera
JP5728215B2 (ja) * 2010-12-13 2015-06-03 キヤノン株式会社 音声処理装置及び方法並びに撮像装置
US9749515B2 (en) * 2012-02-19 2017-08-29 Jack J. McCauley System and methods for wireless remote control over cameras with audio processing to generate a refined audio signal
US8666090B1 (en) 2013-02-26 2014-03-04 Full Code Audio LLC Microphone modeling system and method
DE102016001608A1 (de) 2016-02-12 2017-08-17 Hochschule für Angewandte Wissenschaften Hamburg Körperschaft des Öffentlichen Rechts Verteiltes, synchrones Multisensor-Mikrofonsystem
JP6464488B2 (ja) * 2016-03-11 2019-02-06 パナソニックＩｐマネジメント株式会社 音圧傾度型マイクロホン
CN105764006A (zh) * 2016-03-22 2016-07-13 瑞声声学科技(深圳)有限公司 消噪系统及其消噪方法
US10701481B2 (en) 2018-11-14 2020-06-30 Townsend Labs Inc Microphone sound isolation baffle and system
KR102664399B1 (ko) * 2018-12-20 2024-05-14 삼성전자주식회사 공간 음향 녹음 소자, 공간 음향 녹음 방법 및 공간 음향 녹음 소자를 포함하는 전자 장치

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Also Published As

Publication number Publication date
US5193117A (en) 1993-03-09
EP0430513A3 (en) 1992-03-04
EP0430513A2 (en) 1991-06-05
DE69022688T2 (de) 1996-05-09
DE69022688D1 (de) 1995-11-02
EP0430513B1 (en) 1995-09-27

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application
WICV Withdrawal of application forming a basis of a converted application