KR910011083A - 마이크로폰장치 - Google Patents
마이크로폰장치 Download PDFInfo
- 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
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
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)
- 서로 인접하여 배치된 2개의 마이크로폰과, 지향성특성이 저주파수 영역에서는 무지향성이 되고 고주파수영역에서는 단일지향성이 되도록 상기 2개의 마이크로폰의 출력신호를 처리하기 위한 신호처리수단으로 구성된 마이크로폰장치.
- 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.
- 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.
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) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US7447320B2 (en) | 2001-02-14 | 2008-11-04 | Gentex Corporation | Vehicle accessory microphone |
US7120261B1 (en) | 1999-11-19 | 2006-10-10 | Gentex Corporation | Vehicle accessory microphone |
AU1621201A (en) * | 1999-11-19 | 2001-05-30 | Gentex Corporation | Vehicle accessory microphone |
US8682005B2 (en) * | 1999-11-19 | 2014-03-25 | Gentex Corporation | Vehicle accessory microphone |
NL1015111C2 (nl) * | 2000-05-04 | 2001-11-06 | Ronald Jan Geluk | Microfoon met frequentie-afhankelijke richtwerking. |
WO2002065735A2 (en) * | 2001-02-14 | 2002-08-22 | 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 |
AU2005223798B2 (en) * | 2004-03-23 | 2010-01-28 | 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***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 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL6405564A (ko) * | 1964-05-20 | 1965-11-22 | Philips Nv | |
US4354059A (en) * | 1979-09-11 | 1982-10-12 | Victor Company Of Japan, Ltd. | Variable-directivity microphone device |
US4399327A (en) * | 1980-01-25 | 1983-08-16 | Victor Company Of Japan, Limited | Variable directional microphone system |
JPS5715597A (en) * | 1980-07-02 | 1982-01-26 | Nippon Gakki Seizo Kk | Microphone device |
JPS6223300A (ja) * | 1985-07-23 | 1987-01-31 | Victor Co Of Japan Ltd | 指向性マイクロホン装置 |
US4862278A (en) * | 1986-10-14 | 1989-08-29 | Eastman Kodak Company | Video camera microphone with zoom variable acoustic focus |
-
1990
- 1990-11-13 US US07/612,145 patent/US5193117A/en not_active Expired - Fee Related
- 1990-11-16 EP EP90312515A patent/EP0430513B1/en not_active Expired - Lifetime
- 1990-11-16 DE DE69022688T patent/DE69022688T2/de not_active Expired - Fee Related
- 1990-11-24 KR KR1019900019129A patent/KR910011083A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
EP0430513A3 (en) | 1992-03-04 |
DE69022688T2 (de) | 1996-05-09 |
EP0430513B1 (en) | 1995-09-27 |
EP0430513A2 (en) | 1991-06-05 |
DE69022688D1 (de) | 1995-11-02 |
US5193117A (en) | 1993-03-09 |
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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 |