JP2013201749A - マイクロホン装置 - Google Patents
マイクロホン装置 Download PDFInfo
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- JP2013201749A JP2013201749A JP2012269546A JP2012269546A JP2013201749A JP 2013201749 A JP2013201749 A JP 2013201749A JP 2012269546 A JP2012269546 A JP 2012269546A JP 2012269546 A JP2012269546 A JP 2012269546A JP 2013201749 A JP2013201749 A JP 2013201749A
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- 238000005259 measurement Methods 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 241000258957 Asteroidea Species 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Images
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
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/222—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only for 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
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/021—Casings; Cabinets ; Supports therefor; Mountings therein incorporating only one transducer
-
- 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
- H04R1/083—Special constructions of mouthpieces
-
- 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
- H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
- H04R1/342—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/004—Monitoring arrangements; Testing arrangements for microphones
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Abstract
【解決手段】上面に開口部を有する筐体と、この筐体に内蔵され開口部の内部に設けられた無指向性のマイクロホンユニットとを有する。筐体の上面は、この上面の全周にわたって側面または底面との境界として形成されているエッジから開口部までの距離が全周の2分の1以上にわたって変動し、前記エッジから前記開口部までの距離の平均値が、10kHzの音波の波長の2分の1よりも短くなる大きさに構成されている。
【選択図】図4
Description
2 筐体
3 マイクロホンユニット
11 開口部
13 辺(エッジ)
110 マイクベース
111 凹部
Claims (4)
- 上面に開口部を有する筐体と、該筐体に内蔵され前記開口部の内部に設けられた無指向性のマイクロホンユニットと、を有するマイクロホン装置であって、
前記筐体の上面は、該上面の全周にわたって側面または底面との境界として形成されているエッジから前記開口部までの距離が、全周の2分の1以上にわたって変動し、前記エッジから前記開口部までの距離の平均値が、10kHzの音波の波長の2分の1よりも短い形状であるマイクロホン装置。 - 前記前記エッジから前記開口部までの最長距離と最短距離との比が2倍以上である請求項1に記載のマイクロホン装置。
- 前記開口部は、前記上面の平面形状の外接円の中心に設けられている請求項1または請求項2に記載のマイクロホン装置。
- 前記上面は、平面形状が三角形に構成されている請求項1乃至請求項3のいずれかに記載のマイクロホン装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012269546A JP5708629B2 (ja) | 2012-02-21 | 2012-12-10 | マイクロホン装置 |
US14/379,938 US9407983B2 (en) | 2012-02-21 | 2013-02-14 | Microphone device |
CN201380010390.4A CN104145483B (zh) | 2012-02-21 | 2013-02-14 | 麦克风装置 |
PCT/JP2013/053499 WO2013125434A1 (ja) | 2012-02-21 | 2013-02-14 | マイクロホン装置 |
EP13752212.4A EP2819427B1 (en) | 2012-02-21 | 2013-02-14 | Microphone device |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012034892 | 2012-02-21 | ||
JP2012034892 | 2012-02-21 | ||
JP2012269546A JP5708629B2 (ja) | 2012-02-21 | 2012-12-10 | マイクロホン装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2013201749A true JP2013201749A (ja) | 2013-10-03 |
JP2013201749A5 JP2013201749A5 (ja) | 2014-07-03 |
JP5708629B2 JP5708629B2 (ja) | 2015-04-30 |
Family
ID=49005621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012269546A Active JP5708629B2 (ja) | 2012-02-21 | 2012-12-10 | マイクロホン装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9407983B2 (ja) |
EP (1) | EP2819427B1 (ja) |
JP (1) | JP5708629B2 (ja) |
CN (1) | CN104145483B (ja) |
WO (1) | WO2013125434A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10419850B2 (en) * | 2017-01-18 | 2019-09-17 | Trident Acoustics | Dynamic boundary pressure zone microphone |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0298592U (ja) * | 1989-01-25 | 1990-08-06 | ||
JPH0388599A (ja) * | 1989-08-16 | 1991-04-12 | Georg Neumann Gmbh | 電気音響変換器 |
JP2010278988A (ja) * | 2009-06-01 | 2010-12-09 | Audio Technica Corp | バウンダリーマイクロホン及び卓上電気音響変換器 |
Family Cites Families (32)
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GB2101449B (en) * | 1981-06-17 | 1985-03-20 | Rolls Royce | Microphone device for noise measurement |
JPS5957596A (ja) * | 1982-09-27 | 1984-04-03 | Sony Corp | マイクロホン装置 |
US5121426A (en) * | 1989-12-22 | 1992-06-09 | At&T Bell Laboratories | Loudspeaking telephone station including directional microphone |
US5854848A (en) * | 1996-10-08 | 1998-12-29 | Umevoice, Inc. | Noise control device |
US6009184A (en) * | 1996-10-08 | 1999-12-28 | Umevoice, Inc. | Noise control device for a boom mounted noise-canceling microphone |
JP3722335B2 (ja) * | 1998-02-17 | 2005-11-30 | ヤマハ株式会社 | 残響付加装置 |
US6285772B1 (en) * | 1999-07-20 | 2001-09-04 | Umevoice, Inc. | Noise control device |
US6396932B1 (en) * | 1999-07-21 | 2002-05-28 | Umevoice, Inc. | Pluggable noise-controlling apparatus and method |
US7339605B2 (en) * | 2004-04-16 | 2008-03-04 | Polycom, Inc. | Conference link between a speakerphone and a video conference unit |
JP2005333180A (ja) * | 2004-05-18 | 2005-12-02 | Audio Technica Corp | バウンダリーマイクロホン |
US8644525B2 (en) * | 2004-06-02 | 2014-02-04 | Clearone Communications, Inc. | Virtual microphones in electronic conferencing systems |
JP4521242B2 (ja) * | 2004-09-30 | 2010-08-11 | 株式会社オーディオテクニカ | バウンダリーマイクロホン |
JP4471818B2 (ja) * | 2004-11-17 | 2010-06-02 | 株式会社オーディオテクニカ | バウンダリーマイクロホン |
US8130977B2 (en) * | 2005-12-27 | 2012-03-06 | Polycom, Inc. | Cluster of first-order microphones and method of operation for stereo input of videoconferencing system |
DE102006011155A1 (de) * | 2006-03-10 | 2007-09-13 | Robert Bosch Gmbh | Ultraschallsensor |
JP2008167175A (ja) * | 2006-12-28 | 2008-07-17 | Audio Technica Corp | バウンダリーマイクロホン |
JP2008187581A (ja) * | 2007-01-31 | 2008-08-14 | Audio Technica Corp | バウンダリーマイクロホン |
JP4985198B2 (ja) | 2007-08-03 | 2012-07-25 | ヤマハ株式会社 | 測定用補助器具 |
JP5201656B2 (ja) * | 2007-10-16 | 2013-06-05 | 株式会社オーディオテクニカ | バウンダリーマイクロホン |
US7787331B2 (en) * | 2008-05-13 | 2010-08-31 | Bbn Technologies, Corp. | Sensor for airborne shooter localization system |
DK2321976T3 (en) * | 2008-07-24 | 2016-06-13 | Genelec Oy | Embedded speaker composite drive unit |
JP2010226429A (ja) * | 2009-03-24 | 2010-10-07 | Audio Technica Corp | バウンダリーマイクロホン |
US8989399B2 (en) * | 2009-04-14 | 2015-03-24 | Lloyd Baggs Innovations, Llc | Reflection cancelling boundary microphones and amplification systems incorporating reflection cancelling boundary microphones |
JP5432603B2 (ja) * | 2009-06-22 | 2014-03-05 | 株式会社オーディオテクニカ | バウンダリーマイクロホン |
JP5441540B2 (ja) * | 2009-07-22 | 2014-03-12 | 株式会社オーディオテクニカ | バウンダリーマイクロホン |
JP5568915B2 (ja) * | 2009-07-29 | 2014-08-13 | ヤマハ株式会社 | 外部機器制御装置 |
JP5534822B2 (ja) * | 2010-01-08 | 2014-07-02 | 株式会社オーディオテクニカ | バウンダリーマイクロホン |
JP5517154B2 (ja) * | 2010-01-25 | 2014-06-11 | 株式会社オーディオテクニカ | バウンダリーマイクロホン |
JP5639845B2 (ja) * | 2010-10-25 | 2014-12-10 | 株式会社オーディオテクニカ | バウンダリーマイクロホン |
US8989815B2 (en) * | 2012-11-24 | 2015-03-24 | Polycom, Inc. | Far field noise suppression for telephony devices |
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-
2012
- 2012-12-10 JP JP2012269546A patent/JP5708629B2/ja active Active
-
2013
- 2013-02-14 WO PCT/JP2013/053499 patent/WO2013125434A1/ja active Application Filing
- 2013-02-14 EP EP13752212.4A patent/EP2819427B1/en active Active
- 2013-02-14 US US14/379,938 patent/US9407983B2/en active Active
- 2013-02-14 CN CN201380010390.4A patent/CN104145483B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0298592U (ja) * | 1989-01-25 | 1990-08-06 | ||
JPH0388599A (ja) * | 1989-08-16 | 1991-04-12 | Georg Neumann Gmbh | 電気音響変換器 |
JP2010278988A (ja) * | 2009-06-01 | 2010-12-09 | Audio Technica Corp | バウンダリーマイクロホン及び卓上電気音響変換器 |
Also Published As
Publication number | Publication date |
---|---|
CN104145483B (zh) | 2016-02-10 |
EP2819427A4 (en) | 2015-10-28 |
WO2013125434A1 (ja) | 2013-08-29 |
US9407983B2 (en) | 2016-08-02 |
JP5708629B2 (ja) | 2015-04-30 |
US20150373438A1 (en) | 2015-12-24 |
EP2819427A1 (en) | 2014-12-31 |
EP2819427B1 (en) | 2018-01-31 |
CN104145483A (zh) | 2014-11-12 |
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