WO2009019748A1 - 受音装置、指向特性導出方法、指向特性導出装置及びコンピュータプログラム - Google Patents

受音装置、指向特性導出方法、指向特性導出装置及びコンピュータプログラム Download PDF

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Publication number
WO2009019748A1
WO2009019748A1 PCT/JP2007/065271 JP2007065271W WO2009019748A1 WO 2009019748 A1 WO2009019748 A1 WO 2009019748A1 JP 2007065271 W JP2007065271 W JP 2007065271W WO 2009019748 A1 WO2009019748 A1 WO 2009019748A1
Authority
WO
WIPO (PCT)
Prior art keywords
sound receiving
time
sound
receiving unit
directional characteristic
Prior art date
Application number
PCT/JP2007/065271
Other languages
English (en)
French (fr)
Inventor
Shoji Hayakawa
Original Assignee
Fujitsu Limited
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 Fujitsu Limited filed Critical Fujitsu Limited
Priority to PCT/JP2007/065271 priority Critical patent/WO2009019748A1/ja
Priority to DE112007003603T priority patent/DE112007003603T5/de
Priority to JP2009526276A priority patent/JP4962572B2/ja
Publication of WO2009019748A1 publication Critical patent/WO2009019748A1/ja
Priority to US12/695,467 priority patent/US20100128896A1/en

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
    • 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
    • H04R1/406—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Telephone Function (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Telephone Set Structure (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Abstract

　複数方向から到来する音を受音することが可能な複数の受音部を配設した筐体１０を備える受音装置１において、無指向性の主受音部１１と、所定の方向以外の方向から到来する音に対して、主受音部１１が受音する時点より所定時間以上早く受音する位置に配設された副受音部１２とを備え、受音した音に対して、副受音部１２が受音した時点に対する主受音部１１が受音した時点の時間差を遅延時間として算出し、算出した遅延時間が、基準時間以上である場合に主受音部１１が受音した音の抑制及び／又は基準時間未満である場合に主受音部１１が受音した音の強調を行う。
PCT/JP2007/065271 2007-08-03 2007-08-03 受音装置、指向特性導出方法、指向特性導出装置及びコンピュータプログラム WO2009019748A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
PCT/JP2007/065271 WO2009019748A1 (ja) 2007-08-03 2007-08-03 受音装置、指向特性導出方法、指向特性導出装置及びコンピュータプログラム
DE112007003603T DE112007003603T5 (de) 2007-08-03 2007-08-03 Tonempfangsanordnung, Richtcharakteristik-Ableitungsverfahren, Richtcharakteristik-Ableitungsvorrichtung und Computerprogramm
JP2009526276A JP4962572B2 (ja) 2007-08-03 2007-08-03 受音装置
US12/695,467 US20100128896A1 (en) 2007-08-03 2010-01-28 Sound receiving device, directional characteristic deriving method, directional characteristic deriving apparatus and computer program

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/065271 WO2009019748A1 (ja) 2007-08-03 2007-08-03 受音装置、指向特性導出方法、指向特性導出装置及びコンピュータプログラム

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/695,467 Continuation US20100128896A1 (en) 2007-08-03 2010-01-28 Sound receiving device, directional characteristic deriving method, directional characteristic deriving apparatus and computer program

Publications (1)

Publication Number Publication Date
WO2009019748A1 true WO2009019748A1 (ja) 2009-02-12

Family

ID=40340996

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/065271 WO2009019748A1 (ja) 2007-08-03 2007-08-03 受音装置、指向特性導出方法、指向特性導出装置及びコンピュータプログラム

Country Status (4)

Country Link
US (1) US20100128896A1 (ja)
JP (1) JP4962572B2 (ja)
DE (1) DE112007003603T5 (ja)
WO (1) WO2009019748A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010193141A (ja) * 2009-02-18 2010-09-02 Oki Electric Ind Co Ltd 音声通信システム及び音声通信制御装置
JP2016225884A (ja) * 2015-06-01 2016-12-28 クラリオン株式会社 集音装置、及び集音装置の制御方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5870476B2 (ja) * 2010-08-04 2016-03-01 富士通株式会社 雑音推定装置、雑音推定方法および雑音推定プログラム
US8818800B2 (en) * 2011-07-29 2014-08-26 2236008 Ontario Inc. Off-axis audio suppressions in an automobile cabin
JP6156012B2 (ja) * 2013-09-20 2017-07-05 富士通株式会社 音声処理装置及び音声処理用コンピュータプログラム

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JP2001516196A (ja) * 1997-08-20 2001-09-25 フォーナック アーゲー 音響信号の電子的ビーム形成方法及び音響センサー装置
JP2004128856A (ja) * 2002-10-02 2004-04-22 Matsushita Electric Ind Co Ltd 音声信号処理装置
WO2004034734A1 (ja) * 2002-10-08 2004-04-22 Nec Corporation アレイ装置および携帯端末
JP2004187283A (ja) * 2002-11-18 2004-07-02 Matsushita Electric Ind Co Ltd マイクロホン装置および再生装置
JP2004279241A (ja) * 2003-03-17 2004-10-07 Internatl Business Mach Corp <Ibm> 音源位置取得システム、音源位置取得方法、該音源位置取得システムに使用するための音反射要素および該音反射要素の形成方法

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JPH08256196A (ja) 1995-03-17 1996-10-01 Casio Comput Co Ltd 音声入力装置および電話機
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WO2001059994A1 (en) * 2000-02-08 2001-08-16 Cetacean Networks, Inc. Scheduled internet protocol telephone instrument system
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JP4195267B2 (ja) * 2002-03-14 2008-12-10 インターナショナル・ビジネス・マシーンズ・コーポレーション 音声認識装置、その音声認識方法及びプログラム
US6879828B2 (en) * 2002-09-09 2005-04-12 Nokia Corporation Unbroken primary connection switching between communications services
DE10331956C5 (de) * 2003-07-16 2010-11-18 Siemens Audiologische Technik Gmbh Hörhilfegerät sowie Verfahren zum Betrieb eines Hörhilfegerätes mit einem Mikrofonsystem, bei dem unterschiedliche Richtcharakteistiken einstellbar sind
US8275147B2 (en) * 2004-05-05 2012-09-25 Deka Products Limited Partnership Selective shaping of communication signals
JP4873913B2 (ja) * 2004-12-17 2012-02-08 学校法人早稲田大学 音源分離システムおよび音源分離方法、並びに音響信号取得装置
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US20080247584A1 (en) * 2007-04-04 2008-10-09 Fortemedia, Inc. Electronic device with internal microphone array not parallel to side edges thereof
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Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001516196A (ja) * 1997-08-20 2001-09-25 フォーナック アーゲー 音響信号の電子的ビーム形成方法及び音響センサー装置
JP2004128856A (ja) * 2002-10-02 2004-04-22 Matsushita Electric Ind Co Ltd 音声信号処理装置
WO2004034734A1 (ja) * 2002-10-08 2004-04-22 Nec Corporation アレイ装置および携帯端末
JP2004187283A (ja) * 2002-11-18 2004-07-02 Matsushita Electric Ind Co Ltd マイクロホン装置および再生装置
JP2004279241A (ja) * 2003-03-17 2004-10-07 Internatl Business Mach Corp <Ibm> 音源位置取得システム、音源位置取得方法、該音源位置取得システムに使用するための音反射要素および該音反射要素の形成方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010193141A (ja) * 2009-02-18 2010-09-02 Oki Electric Ind Co Ltd 音声通信システム及び音声通信制御装置
JP2016225884A (ja) * 2015-06-01 2016-12-28 クラリオン株式会社 集音装置、及び集音装置の制御方法

Also Published As

Publication number Publication date
JPWO2009019748A1 (ja) 2010-10-28
US20100128896A1 (en) 2010-05-27
JP4962572B2 (ja) 2012-06-27
DE112007003603T5 (de) 2010-07-01

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