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WO2009044562A1 - マイクロホンを用いた雑音抽出装置 - Google Patents

マイクロホンを用いた雑音抽出装置 Download PDF

Info

Publication number
WO2009044562A1
WO2009044562A1 PCT/JP2008/002797 JP2008002797W WO2009044562A1 WO 2009044562 A1 WO2009044562 A1 WO 2009044562A1 JP 2008002797 W JP2008002797 W JP 2008002797W WO 2009044562 A1 WO2009044562 A1 WO 2009044562A1
Authority
WO
WIPO (PCT)
Prior art keywords
directivity
microphone
extraction device
acoustic
unit
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.)
Ceased
Application number
PCT/JP2008/002797
Other languages
English (en)
French (fr)
Inventor
Takeo Kanamori
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.)
Panasonic Corp
Original Assignee
Panasonic 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
Application filed by Panasonic Corp filed Critical Panasonic Corp
Priority to US12/517,406 priority Critical patent/US8311236B2/en
Priority to CN200880001287.2A priority patent/CN101569209B/zh
Priority to JP2009535988A priority patent/JP4990981B2/ja
Publication of WO2009044562A1 publication Critical patent/WO2009044562A1/ja
Anticipated expiration legal-status Critical
Ceased 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
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones

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)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Abstract

本発明の雑音抽出装置は、音を収音するための第１および第２のマイクロホンユニット（１１、１２）と、前記第１および第２のマイクロホンユニット（１１、１２）からの出力信号を指向性合成して、雑音感度が異なるが、音圧に対する指向特性が一致し、かつ、音響的中心位置が一致する、２つの指向性合成信号を生成する指向性合成部と、前記２つの指向性合成信号の一方から他方を減算することで、一方の指向性合成信号から、音響成分を打ち消すことにより、雑音成分を抽出する音響相殺部とを備える。
PCT/JP2008/002797 2007-10-04 2008-10-03 マイクロホンを用いた雑音抽出装置 Ceased WO2009044562A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US12/517,406 US8311236B2 (en) 2007-10-04 2008-10-03 Noise extraction device using microphone
CN200880001287.2A CN101569209B (zh) 2007-10-04 2008-10-03 噪声抽取装置和方法、麦克风装置、集成电路以及摄像机
JP2009535988A JP4990981B2 (ja) 2007-10-04 2008-10-03 マイクロホンを用いた雑音抽出装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-260693 2007-10-04
JP2007260693 2007-10-04

Publications (1)

Publication Number Publication Date
WO2009044562A1 true WO2009044562A1 (ja) 2009-04-09

Family

ID=40525994

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/002797 Ceased WO2009044562A1 (ja) 2007-10-04 2008-10-03 マイクロホンを用いた雑音抽出装置

Country Status (4)

Country Link
US (1) US8311236B2 (ja)
JP (1) JP4990981B2 (ja)
CN (1) CN101569209B (ja)
WO (1) WO2009044562A1 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9319788B2 (en) 2011-12-20 2016-04-19 Panasonic Intellectual Property Management Co., Ltd. Sound processing device, and sound processing method
US9560456B2 (en) 2011-04-11 2017-01-31 Panasonic Intellectual Property Management Co., Ltd. Hearing aid and method of detecting vibration
JP2018142924A (ja) * 2017-02-28 2018-09-13 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 雑音抽出装置およびマイクロホン装置
JPWO2018174135A1 (ja) * 2017-03-24 2020-01-16 ヤマハ株式会社 収音装置および収音方法

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009150829A (ja) * 2007-12-21 2009-07-09 Olympus Corp 生体試料の観察方法
JP5201093B2 (ja) * 2009-06-26 2013-06-05 株式会社ニコン 撮像装置
US8698911B2 (en) * 2009-10-28 2014-04-15 Nikon Corporation Sound recording device, imaging device, photographing device, optical device, and program
JP5853133B2 (ja) 2010-02-24 2016-02-09 パナソニックＩｐマネジメント株式会社 音響処理装置および音響処理方法
CN103155032B (zh) * 2010-08-27 2016-10-19 诺基亚技术有限公司 用于去除非所需声音的麦克风装置和方法
US20120288130A1 (en) * 2011-05-11 2012-11-15 Infineon Technologies Ag Microphone Arrangement
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
KR102094011B1 (ko) * 2013-06-13 2020-03-26 삼성전자주식회사 전자 장치에서 노이즈를 제거하기 위한 장치 및 방법
CN103454056B (zh) * 2013-09-05 2015-09-30 亚普汽车部件股份有限公司 燃油箱噪声测试用模拟刹车试验台
KR20150070596A (ko) * 2013-12-17 2015-06-25 삼성전기주식회사 광학식 손떨림 보정 장치의 소음 제거를 위한 장치 및 방법
US10186138B2 (en) * 2014-09-02 2019-01-22 Apple Inc. Providing priming cues to a user of an electronic device
CN105489224B (zh) * 2014-09-15 2019-10-18 讯飞智元信息科技有限公司 一种基于麦克风阵列的语音降噪方法及系统
KR101807064B1 (ko) * 2016-11-03 2017-12-08 현대자동차 주식회사 마이크로폰 시스템 및 이의 제조방법
JP2020036304A (ja) * 2018-08-29 2020-03-05 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 信号処理方法及び信号処理装置
US10708702B2 (en) 2018-08-29 2020-07-07 Panasonic Intellectual Property Corporation Of America Signal processing method and signal processing device
CN113348676B (zh) * 2019-02-14 2024-07-26 松下电器（美国）知识产权公司 麦克风装置
DE112020004160T5 (de) * 2019-09-03 2022-05-25 Sony Group Corporation Steuerungseinrichtung, lautsprechereinrichtung und audioausgabeverfahren
CN112309418B (zh) * 2020-10-30 2023-06-27 出门问问(苏州)信息科技有限公司 一种抑制风噪声的方法及装置

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0566255A (ja) * 1991-09-06 1993-03-19 Purimo:Kk 音源の方向を探知するマイクロホン
JPH0865789A (ja) * 1994-08-23 1996-03-08 Sony Corp 音声信号処理装置
JP2002171586A (ja) * 2000-11-29 2002-06-14 Sony Corp 雑音低減処理方法及び装置
JP2002171591A (ja) * 2000-12-04 2002-06-14 Sony Corp ステレオマイクロホン装置、雑音低減処理方法及び装置
JP2002374588A (ja) * 2001-06-15 2002-12-26 Sony Corp 音響ノイズ低減装置及び低減方法
JP2003304586A (ja) * 2002-04-09 2003-10-24 Sony Corp マイクロホン装置
JP2004201033A (ja) * 2002-12-18 2004-07-15 Sony Corp ノイズ低減装置及び方法
JP2005303681A (ja) * 2004-04-12 2005-10-27 Sony Corp ノイズ低減方法及び装置
JP2006510069A (ja) * 2002-12-11 2006-03-23 ソフトマックス，インク 改良型独立成分分析を使用する音声処理ためのシステムおよび方法
JP2007150737A (ja) * 2005-11-28 2007-06-14 Sony Corp 音声信号ノイズ低減装置及び方法
JP2007158516A (ja) * 2005-12-01 2007-06-21 Matsushita Electric Ind Co Ltd マイクロホン装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5625892A (en) 1979-08-09 1981-03-12 Sony Corp Microphone
JPH03279612A (ja) 1990-03-27 1991-12-10 Mazda Motor Corp エンジンの冷却制御装置
JPH03283423A (ja) 1990-03-30 1991-12-13 Toshiba Corp 荷電ビーム描画方法
JP3279612B2 (ja) 1991-12-06 2002-04-30 ソニー株式会社 雑音低減装置
JP3283423B2 (ja) 1996-07-03 2002-05-20 松下電器産業株式会社 マイクロホン装置
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
JP2002223493A (ja) 2001-01-26 2002-08-09 Matsushita Electric Ind Co Ltd マルチチャンネル収音装置
JP4196162B2 (ja) * 2002-08-20 2008-12-17 ソニー株式会社 自動風音低減回路および自動風音低減方法
US7099821B2 (en) 2003-09-12 2006-08-29 Softmax, Inc. Separation of target acoustic signals in a multi-transducer arrangement

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0566255A (ja) * 1991-09-06 1993-03-19 Purimo:Kk 音源の方向を探知するマイクロホン
JPH0865789A (ja) * 1994-08-23 1996-03-08 Sony Corp 音声信号処理装置
JP2002171586A (ja) * 2000-11-29 2002-06-14 Sony Corp 雑音低減処理方法及び装置
JP2002171591A (ja) * 2000-12-04 2002-06-14 Sony Corp ステレオマイクロホン装置、雑音低減処理方法及び装置
JP2002374588A (ja) * 2001-06-15 2002-12-26 Sony Corp 音響ノイズ低減装置及び低減方法
JP2003304586A (ja) * 2002-04-09 2003-10-24 Sony Corp マイクロホン装置
JP2006510069A (ja) * 2002-12-11 2006-03-23 ソフトマックス，インク 改良型独立成分分析を使用する音声処理ためのシステムおよび方法
JP2004201033A (ja) * 2002-12-18 2004-07-15 Sony Corp ノイズ低減装置及び方法
JP2005303681A (ja) * 2004-04-12 2005-10-27 Sony Corp ノイズ低減方法及び装置
JP2007150737A (ja) * 2005-11-28 2007-06-14 Sony Corp 音声信号ノイズ低減装置及び方法
JP2007158516A (ja) * 2005-12-01 2007-06-21 Matsushita Electric Ind Co Ltd マイクロホン装置

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9560456B2 (en) 2011-04-11 2017-01-31 Panasonic Intellectual Property Management Co., Ltd. Hearing aid and method of detecting vibration
US9319788B2 (en) 2011-12-20 2016-04-19 Panasonic Intellectual Property Management Co., Ltd. Sound processing device, and sound processing method
US9326065B2 (en) 2011-12-20 2016-04-26 Panasonic Intellectual Property Management Co., Ltd. Sound processing device, and sound processing method
JP2018142924A (ja) * 2017-02-28 2018-09-13 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 雑音抽出装置およびマイクロホン装置
US10182291B2 (en) 2017-02-28 2019-01-15 Panasonic Intellectual Property Corporation Of America Noise extracting device, noise extracting method, microphone apparatus, and recording medium recording program
JPWO2018174135A1 (ja) * 2017-03-24 2020-01-16 ヤマハ株式会社 収音装置および収音方法

Also Published As

Publication number Publication date
CN101569209A (zh) 2009-10-28
US8311236B2 (en) 2012-11-13
US20100026858A1 (en) 2010-02-04
JPWO2009044562A1 (ja) 2011-02-03
JP4990981B2 (ja) 2012-08-01
CN101569209B (zh) 2013-08-21

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