KR910021174A - 내장형 스테레오 마이크로폰 - Google Patents

내장형 스테레오 마이크로폰 Download PDF

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Publication number
KR910021174A
KR910021174A KR1019910008149A KR910008149A KR910021174A KR 910021174 A KR910021174 A KR 910021174A KR 1019910008149 A KR1019910008149 A KR 1019910008149A KR 910008149 A KR910008149 A KR 910008149A KR 910021174 A KR910021174 A KR 910021174A
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KR
South Korea
Prior art keywords
microphones
built
voice signal
stereo microphone
microphone
Prior art date
Application number
KR1019910008149A
Other languages
English (en)
Other versions
KR100240552B1 (ko
Inventor
이찌로 하마다
기요시 오따
요시히로 오노
Original Assignee
오오가 노리오
소니 가부시끼가이샤
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 오오가 노리오, 소니 가부시끼가이샤 filed Critical 오오가 노리오
Publication of KR910021174A publication Critical patent/KR910021174A/ko
Application granted granted Critical
Publication of KR100240552B1 publication Critical patent/KR100240552B1/ko

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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
    • H04R1/08—Mouthpieces; Microphones; Attachments therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • 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
    • H04R5/027—Spatial or constructional arrangements of microphones, e.g. in dummy heads

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Stereophonic Arrangements (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Abstract

내용 없음

Description

내장형 스테레오 마이크로폰
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 관한 내장형 스테레오 마이크로폰의 적절한 실시예의 사시도.
제2도와 제3도는 캐비네트의 구성등을 나타내는 구성설명도이고, 제3도는 제2도에 있어서 III-III선단면도.

Claims (1)

  1. 좌우 양 채널용으로 되는 2개의 무지향성 마이크로폰(10), (20)을 각각 소망의 거리(ℓA)만큼 이간되도록 설치가능한 공간부(3a)가 갖추어져 상자형 캐비네트(3)와, 상기 2개의 마이크로폰(10), (20)중 한쪽의 마이크로폰에서 출력된 음성 신호가 2개의 마이크로폰의 상기 이간 거리(ℓA)에 대응하는 시간 지연을 행하는 지연 회로(50), (60)와, 상기 2개의 마이크로폰중, 다른쪽의 마이크로폰에서 출력된 음성 신호에, 상기 지연 회로(50), (60)에 의하여 지연된 상기 음성 신호의 극성을 반전하여 중첩하는 가산기(90), (100)를 가지는 것을 특징으로 하는 내장형 스테레오 마이크로폰.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910008149A 1990-05-22 1991-05-20 내장형 스테레오 마이크로폰 KR100240552B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2132051A JP2946638B2 (ja) 1990-05-22 1990-05-22 内蔵型ステレオマイクロホン
JP2-132051 1990-05-22

Publications (2)

Publication Number Publication Date
KR910021174A true KR910021174A (ko) 1991-12-20
KR100240552B1 KR100240552B1 (ko) 2000-01-15

Family

ID=15072377

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910008149A KR100240552B1 (ko) 1990-05-22 1991-05-20 내장형 스테레오 마이크로폰

Country Status (7)

Country Link
US (1) US5206910A (ko)
EP (1) EP0458575B1 (ko)
JP (1) JP2946638B2 (ko)
KR (1) KR100240552B1 (ko)
AU (1) AU634885B2 (ko)
CA (1) CA2042938C (ko)
DE (1) DE69103208T2 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004112427A1 (en) * 2003-06-12 2004-12-23 Bse Co., Ltd. Embedded stereo microphone assembly for mobile phone

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2900722B2 (ja) * 1992-09-30 1999-06-02 松下電器産業株式会社 ステレオズームマイクロホン
DE69431356T2 (de) * 1993-06-23 2003-04-17 Apple Computer Computermonitor mit integriertem stereolautsprecher-richtmikrofon, und verfahren zur herstellung
JPH07298387A (ja) * 1994-04-28 1995-11-10 Canon Inc ステレオ音声入力装置
GB9419832D0 (en) * 1994-10-01 1994-11-16 Central Research Lab Ltd A camera and an accessory for a camera
JP3547813B2 (ja) * 1994-10-31 2004-07-28 パイオニア株式会社 音場生成装置
WO1999037120A1 (en) * 1998-01-20 1999-07-22 Keller Roger S Microphone apparatus for producing signals for surround reproduction
US6507659B1 (en) * 1999-01-25 2003-01-14 Cascade Audio, Inc. Microphone apparatus for producing signals for surround reproduction
JP4277400B2 (ja) * 1999-12-17 2009-06-10 ソニー株式会社 音声信号記録装置
DK1240805T3 (da) * 1999-12-22 2004-08-16 2 & 2 & 2 Ag Fremgangsmåde og anlæg til optagelse og gengivelse af klange
JP4367484B2 (ja) 2006-12-25 2009-11-18 ソニー株式会社 音声信号処理装置、音声信号処理方法及び撮像装置
WO2009025090A1 (ja) * 2007-08-22 2009-02-26 Panasonic Corporation 指向性マイクロホン装置
US9094496B2 (en) * 2010-06-18 2015-07-28 Avaya Inc. System and method for stereophonic acoustic echo cancellation
US10440475B2 (en) 2015-09-30 2019-10-08 Sony Corporation Signal processing device, signal processing method, and program

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5833396A (ja) * 1981-08-20 1983-02-26 Matsushita Electric Ind Co Ltd ズ−ムマイクロホン
JPS58125487U (ja) * 1982-02-19 1983-08-26 セイコーインスツルメンツ株式会社 ステレオマイク
JPS5964994A (ja) * 1982-10-05 1984-04-13 Matsushita Electric Ind Co Ltd マイクロホン装置
JPS5999598U (ja) * 1982-12-23 1984-07-05 キヤノン株式会社 ステレオマイクロホンを有する撮像装置
JPS6019269U (ja) * 1983-07-15 1985-02-09 オリンパス光学工業株式会社 ビデオカメラ
DE3579732D1 (de) * 1984-04-09 1990-10-25 Pioneer Electronic Corp Schallfeldverbesserungssystem.
JPS6022897A (ja) * 1984-06-13 1985-02-05 Matsushita Electric Ind Co Ltd マイクロホン
GB2220818A (en) * 1988-07-15 1990-01-17 Gary Keith Henry Stereo systems

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004112427A1 (en) * 2003-06-12 2004-12-23 Bse Co., Ltd. Embedded stereo microphone assembly for mobile phone

Also Published As

Publication number Publication date
DE69103208T2 (de) 1995-01-12
EP0458575A1 (en) 1991-11-27
US5206910A (en) 1993-04-27
CA2042938C (en) 2000-03-28
KR100240552B1 (ko) 2000-01-15
JP2946638B2 (ja) 1999-09-06
AU634885B2 (en) 1993-03-04
JPH0427298A (ja) 1992-01-30
EP0458575B1 (en) 1994-08-03
AU7720591A (en) 1991-11-28
CA2042938A1 (en) 1991-11-23
DE69103208D1 (de) 1994-09-08

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