JP5363825B2 - ノイズキャンセルヘッドホン - Google Patents
ノイズキャンセルヘッドホン Download PDFInfo
- Publication number
- JP5363825B2 JP5363825B2 JP2009023354A JP2009023354A JP5363825B2 JP 5363825 B2 JP5363825 B2 JP 5363825B2 JP 2009023354 A JP2009023354 A JP 2009023354A JP 2009023354 A JP2009023354 A JP 2009023354A JP 5363825 B2 JP5363825 B2 JP 5363825B2
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- JP
- Japan
- Prior art keywords
- noise
- air chamber
- canceling
- microphone
- sound
- 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.)
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- 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
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1083—Reduction of ambient noise
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
- G10K11/1785—Methods, e.g. algorithms; Devices
- G10K11/17857—Geometric disposition, e.g. placement of microphones
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
- G10K11/1787—General system configurations
- G10K11/17873—General system configurations using a reference signal without an error signal, e.g. pure feedforward
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
- G10K11/1787—General system configurations
- G10K11/17885—General system configurations additionally using a desired external signal, e.g. pass-through audio such as music or speech
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
- G10K2210/10—Applications
- G10K2210/108—Communication systems, e.g. where useful sound is kept and noise is cancelled
- G10K2210/1081—Earphones, e.g. for telephones, ear protectors or headsets
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
- G10K2210/30—Means
- G10K2210/301—Computational
- G10K2210/3027—Feedforward
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Circuit For Audible Band Transducer (AREA)
- Headphones And Earphones (AREA)
Description
なお、マイクロホン2の音波導入部が気室8に面していればよく、その取り付け位置によって、本発明に係るノイズキャンセルヘッドホンのノイズキャンセル効果は制限されない。
2 マイクロホン
3 密閉板
4 イヤーカップ
5 イヤーパット
6 ヘッドホンユニット
7 前気室
8 気室
Claims (7)
- 筐体に取り付けられたマイクロホンによって生成される外部騒音信号からノイズキャンセル信号を生成し、このノイズキャンセル信号によりヘッドホンユニットを駆動してキャンセル音を利用者に向けて放射する耳載型及び耳覆型のフィードフォワード型のイズキャンセルヘッドホンであって、
上記筐体と、この筐体の外周を覆う部材によって密閉された空間であって、前気室の全ての方向に対して外側に形成されている気室を有し、
上記マイクロホンの音波導入部が上記気室内にあることを特徴とするノイズキャンセルヘッドホン。 - 上記筐体は、外周面から筐体中央方向に深さをもつ溝部を有し、
上記気室は、上記溝部を外周方向側から覆う部材によって密閉された空間であることを特徴とする請求項1記載のノイズキャンセルヘッドホン。 - 上記気室は、上記筐体の外周を覆う部材の一部に形成された孔によって外部空間と連通することを特徴とする請求項1記載のノイズキャンセルヘッドホン。
- 上記気室は、利用者に当接するイヤーパットと上記筐体の外側に設置されるカバーによって密閉された空間であることを特徴とする請求項1乃至3のいずれかに記載のノイズキャンセルヘッドホン。
- 上記気室は、利用者に当接するイヤーパットの気室側の壁に設けられた孔によって、上記イヤーパット内の空間と音響的に連通していることを特徴とする請求項1乃至4のいずれかに記載のノイズキャンセルヘッドホン。
- 上記気室内の最大直線長さは、消音しようとする外部騒音の波長以下であることを特徴とする請求項1乃至5のいずれかに記載のノイズキャンセルヘッドホン。
- 騒音を消去する信号とオーディオ信号とを混合して出力する回路をさらに有する請求項1乃至6のいずれかに記載のノイズキャンセルヘッドホン。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009023354A JP5363825B2 (ja) | 2009-02-04 | 2009-02-04 | ノイズキャンセルヘッドホン |
PCT/JP2009/070266 WO2010089934A1 (ja) | 2009-02-04 | 2009-11-26 | ノイズキャンセルヘッドホン |
CN200980154992.0A CN102282864B (zh) | 2009-02-04 | 2009-11-26 | 头戴式消噪耳机 |
US13/146,948 US8934638B2 (en) | 2009-02-04 | 2009-11-26 | Noise canceling headphone |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009023354A JP5363825B2 (ja) | 2009-02-04 | 2009-02-04 | ノイズキャンセルヘッドホン |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010183221A JP2010183221A (ja) | 2010-08-19 |
JP5363825B2 true JP5363825B2 (ja) | 2013-12-11 |
Family
ID=42541847
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009023354A Active JP5363825B2 (ja) | 2009-02-04 | 2009-02-04 | ノイズキャンセルヘッドホン |
Country Status (4)
Country | Link |
---|---|
US (1) | US8934638B2 (ja) |
JP (1) | JP5363825B2 (ja) |
CN (1) | CN102282864B (ja) |
WO (1) | WO2010089934A1 (ja) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102342130A (zh) * | 2009-03-02 | 2012-02-01 | Gn奈康有限公司 | 具有磁力附着耳垫的头戴式耳机 |
JP5340833B2 (ja) * | 2009-07-06 | 2013-11-13 | 株式会社オーディオテクニカ | イヤーマフ及びヘッドホン |
TWI457009B (zh) * | 2011-12-02 | 2014-10-11 | Giga Byte Tech Co Ltd | 耳機耳殼及耳機 |
CN103108267A (zh) * | 2013-01-16 | 2013-05-15 | 歌尔声学股份有限公司 | 一种复合结构耳套 |
JP6115947B2 (ja) * | 2013-06-17 | 2017-04-19 | 株式会社オーディオテクニカ | ヘッドホン |
JP6178696B2 (ja) * | 2013-10-28 | 2017-08-09 | 株式会社オーディオテクニカ | ダイナミックヘッドホン |
TWM482916U (zh) * | 2014-04-11 | 2014-07-21 | Jetvox Acoustic Corp | 貼耳式降噪耳機 |
TWM501702U (zh) * | 2015-01-16 | 2015-05-21 | Jetvox Acoustic Corp | 降噪耳機 |
CN104754436B (zh) * | 2015-03-13 | 2024-01-16 | 钰太芯微电子科技(上海)有限公司 | 一种主动降噪方法以及降噪耳机 |
JP6896297B2 (ja) * | 2015-07-21 | 2021-06-30 | 株式会社オーディオテクニカ | ノイズキャンセルヘッドホン |
JP6611512B2 (ja) * | 2015-08-07 | 2019-11-27 | 株式会社オーディオテクニカ | ノイズキャンセルヘッドホン |
US9679551B1 (en) | 2016-04-08 | 2017-06-13 | Baltic Latvian Universal Electronics, Llc | Noise reduction headphone with two differently configured speakers |
WO2017185048A1 (en) | 2016-04-21 | 2017-10-26 | Human, Incorporated | Attachment apparatus for coupling to an ear |
WO2017208397A1 (ja) * | 2016-06-01 | 2017-12-07 | フォスター電機株式会社 | ノイズキャンセルヘッドホン |
US10075783B2 (en) * | 2016-09-23 | 2018-09-11 | Apple Inc. | Acoustically summed reference microphone for active noise control |
JP6845554B2 (ja) | 2016-10-12 | 2021-03-17 | 株式会社オーディオテクニカ | ヘッドホン |
CN108634963B (zh) * | 2018-08-17 | 2024-05-31 | 佛山博智医疗科技有限公司 | 可调节的耳罩式声场测听装置 |
CN109172144A (zh) * | 2018-10-10 | 2019-01-11 | 南京市儿童医院 | 耳部术后保护装置 |
EP3664466B1 (en) * | 2018-12-07 | 2022-03-30 | GN Audio A/S | An earphone with an active noise cancelling feedback microphone arranged at the rear-side of a speaker diaphragm |
JP7074207B2 (ja) * | 2018-12-12 | 2022-05-24 | 株式会社Jvcケンウッド | 耳栓 |
US10771886B2 (en) * | 2019-01-11 | 2020-09-08 | Evga Corporation | Headphone structure for extending and enhancing resonance |
EP4033776A1 (en) | 2019-05-24 | 2022-07-27 | Honeywell International Inc. | Hearing protection devices, noise exposure sensors therefor, and sensor housings and associated methods for the same |
JP6798717B2 (ja) * | 2019-07-18 | 2020-12-09 | 株式会社オーディオテクニカ | ノイズキャンセルヘッドホン |
TWI810839B (zh) * | 2022-03-08 | 2023-08-01 | 大陸商美律電子(深圳)有限公司 | 頭戴式耳機之耳罩模組 |
CN114727186A (zh) * | 2022-03-15 | 2022-07-08 | 美律电子(深圳)有限公司 | 头戴式耳机之耳罩模块 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3968334A (en) * | 1974-10-10 | 1976-07-06 | Miguel Padilla | Audiometric method and apparatus for testing the effectiveness of hearing protective devices |
EP0333411A3 (en) * | 1988-03-16 | 1991-07-31 | University Of Essex | Headphone assemblies |
JP2000059876A (ja) * | 1998-08-13 | 2000-02-25 | Sony Corp | 音響装置およびヘッドホン |
US7245735B2 (en) * | 2004-04-02 | 2007-07-17 | David Han | Earmuff structure for headset or ear protector |
CN2744105Y (zh) * | 2004-08-17 | 2005-11-30 | 黄大伟 | 一种低成本且高效率的抗噪耳机及配套装置 |
GB2446966B (en) * | 2006-04-12 | 2010-07-07 | Wolfson Microelectronics Plc | Digital circuit arrangements for ambient noise-reduction |
US20070253569A1 (en) * | 2006-04-26 | 2007-11-01 | Bose Amar G | Communicating with active noise reducing headset |
JP4239030B2 (ja) | 2006-07-13 | 2009-03-18 | 信越化学工業株式会社 | 光硬化性樹脂組成物及びその硬化皮膜を有する物品 |
JP5194434B2 (ja) | 2006-11-07 | 2013-05-08 | ソニー株式会社 | ノイズキャンセリングシステムおよびノイズキャンセル方法 |
JP5401760B2 (ja) * | 2007-02-05 | 2014-01-29 | ソニー株式会社 | ヘッドフォン装置、音声再生システム、音声再生方法 |
US20090175463A1 (en) * | 2008-01-08 | 2009-07-09 | Fortune Grand Technology Inc. | Noise-canceling sound playing structure |
-
2009
- 2009-02-04 JP JP2009023354A patent/JP5363825B2/ja active Active
- 2009-11-26 CN CN200980154992.0A patent/CN102282864B/zh not_active Expired - Fee Related
- 2009-11-26 US US13/146,948 patent/US8934638B2/en not_active Expired - Fee Related
- 2009-11-26 WO PCT/JP2009/070266 patent/WO2010089934A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
JP2010183221A (ja) | 2010-08-19 |
CN102282864B (zh) | 2014-04-09 |
WO2010089934A1 (ja) | 2010-08-12 |
US8934638B2 (en) | 2015-01-13 |
US20110286607A1 (en) | 2011-11-24 |
CN102282864A (zh) | 2011-12-14 |
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