JP2006014307A - ノイズ低減ヘッドセット - Google Patents
ノイズ低減ヘッドセット Download PDFInfo
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- JP2006014307A JP2006014307A JP2005174271A JP2005174271A JP2006014307A JP 2006014307 A JP2006014307 A JP 2006014307A JP 2005174271 A JP2005174271 A JP 2005174271A JP 2005174271 A JP2005174271 A JP 2005174271A JP 2006014307 A JP2006014307 A JP 2006014307A
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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
- G10K11/1781—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 characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions
- G10K11/17821—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 characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions characterised by the analysis of the input signals only
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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
- G10K11/1781—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 characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions
- G10K11/17821—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 characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions characterised by the analysis of the input signals only
- G10K11/17823—Reference signals, e.g. ambient acoustic environment
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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
- G10K11/1783—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 handling or detecting of non-standard events or conditions, e.g. changing operating modes under specific operating conditions
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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
- G10K11/1783—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 handling or detecting of non-standard events or conditions, e.g. changing operating modes under specific operating conditions
- G10K11/17837—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 handling or detecting of non-standard events or conditions, e.g. changing operating modes under specific operating conditions by retaining part of the ambient acoustic environment, e.g. speech or alarm signals that the user needs to hear
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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
- G10K11/17853—Methods, e.g. algorithms; Devices of the filter
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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
- G10K11/17861—Methods, e.g. algorithms; Devices using additional means for damping sound, e.g. using sound absorbing panels
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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
- G10K11/17879—General system configurations using both a reference signal and an error signal
- G10K11/17881—General system configurations using both a reference signal and an error signal the reference signal being an acoustic signal, e.g. recorded with a microphone
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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
- G10K11/17885—General system configurations additionally using a desired external signal, e.g. pass-through audio such as music or speech
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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
- 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
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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
- H04R1/1041—Mechanical or electronic switches, or control elements
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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
- H04R5/00—Stereophonic arrangements
- H04R5/033—Headphones for stereophonic communication
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Signal Processing (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Circuit For Audible Band Transducer (AREA)
- Headphones And Earphones (AREA)
- Noise Elimination (AREA)
Abstract
【解決手段】ノイズ低減ヘッドセットにおいて、アクティブノイズ低減を提供するためのアクティブノイズ低減信号処理経路と、トークスルー機能を提供するためのトークスルー信号処理経路と、前記ノイズ低減信号経路およびトークスルー信号経路の一方または両方を使用不可にするためのスイッチング素子とを備えていることを特徴とする。
【選択図】図1
Description
6 音声EQ回路
8、10、16、28 加算器
12 アクティブノイズ低減補償およびゲイン回路
14、24 スイッチ
18 トークスルーマイクロフォン
20 パッシブ減衰ブロック
21 トークスルー帯域制限フィルタ
22 トークスルーEQおよびゲイン回路
26 ドライバおよびイヤーカップ音響特性ブロック
30 アクティブノイズ低減マイクロフォン
Claims (16)
- アクティブノイズ低減を提供するためのアクティブノイズ低減信号処理経路と、
トークスルー機能を提供するためのトークスルー信号処理経路と、
前記ノイズ低減信号経路およびトークスルー信号経路の一方または両方を使用不可にするためのスイッチング素子とを備えていることを特徴とするノイズ低減ヘッドセット。 - 前記スイッチング素子は、ノイズ低減信号経路を使用不可にするためであり、スイッチング素子に供給される電源に自動的に応答するように構成かつ配置されていることを特徴とする請求項1に記載のノイズ低減ヘッドセット。
- 前記スイッチング素子は、スイッチング素子に供給される電源がノイズ低減信号経路を動作させるためには不十分であるとき、ノイズ低減信号経路を使用不可にすることを特徴とする請求項2に記載のノイズ低減ヘッドセット。
- 前記トークスルー信号経路は、マイクロフォンと、マイクロフォンからの入力にフィルタをかけるための周波数選択フィルタとを備えていて、前記フィルタは、音声帯域の下の周波数を著しく減衰させるように構成かつ配置されていることを特徴とする請求項1に記載のノイズ低減回路。
- 前記フィルタは、更に、音声帯域内にない周波数を著しく減衰させるように構成かつ配置されていることを特徴とする請求項1に記載のノイズ低減回路。
- アクティブノイズ低減およびトークスルーを含む第1信号経路と、
トークスルーを含み、アクティブノイズ低減を含まない第2信号経路と、
前記第1信号経路または第2信号経路を選択するように構成かつ配置された選択回路とを備えていることを特徴とするノイズ低減ヘッドセット。 - アクティブノイズ低減を含み、トークスルーを含まない第3信号経路を備えていて、前記選択回路は、第1信号経路、第2信号経路、または第3信号経路のうちの1つを選択するように構成かつ配置されていることを特徴とするノイズ低減ヘッドセット。
- アクティブノイズ低減信号経路と、
トークスルー信号経路とを備えていて、
このトークスルー信号経路は、マイクロフォンと、
マイクロフォンからの入力にフィルタをかけるための周波数選択フィルタとを有していて、前記フィルタは、音声帯域内にない周波数を著しく減衰させるように構成かつ配置されていることを特徴とするノイズ低減ヘッドセット。 - 前記周波数選択フィルタは、ハイパスフィルタであることを特徴とする請求項8に記載のノイズ低減ヘッドセット。
- 前記周波数選択フィルタは、バンドパスフィルタであることを特徴とする請求項8に記載のノイズ低減ヘッドセット。
- 前記トークスルー信号経路中の信号からノイズを除去するための素子を更に備えていることを特徴とする請求項8に記載のノイズ低減ヘッドセット。
- アクティブノイズ低減信号経路およびトークスルー信号経路を含むノイズ低減ヘッドセットを動作させる方法において、
アクティブノイズ低減制御信号経路およびトークスルー信号経路に電源を提供するステップと、
アクティブノイズ低減制御信号経路への電源が第1閾値レベルより下である場合には、ノイズ低減制御信号経路を使用不可にするステップとを有していることを特徴とする方法。 - 前記アクティブノイズ低減制御信号経路およびトークスルー信号経路に供給される電源が第2閾値より上である場合には、アクティブノイズ低減制御信号経路を使用不可にして、ヘッドセットをトークスルーヘッドセットとして動作させるステップを有していることを特徴とする請求項12に記載のノイズ低減ヘッドセットを動作させる方法。
- アクティブノイズ低減制御信号経路およびトークスルー信号経路に供給される電源が第2閾値周波数より下である場合には、トークスルー信号経路を使用不可にして、ヘッドセットをパッシブノイズ低減ヘッドセットとして動作させるステップを有していることを特徴とする請求項13に記載のノイズ低減ヘッドセットを動作させる方法。
- 前記アクティブノイズ低減制御信号経路およびトークスルー信号経路に電源を供給するステップは、ヘッドセットの外部の供給源からノイズ低減制御信号経路に電源を供給するステップを有していることを特徴とする請求項12に記載のノイズ低減ヘッドセットを動作させる方法。
- トークスルー信号経路を備えていて、このトークスルー信号経路は、周囲の音を表している信号を受信するための素子を有していて、前記周囲の音は、周囲の生の音のノイズと、生の音の伝達とを含んでいて、前記トークスルー信号経路は、信号中の周囲のノイズ成分を減らして、信号の生の音の伝達部分を減らさないためのノイズ除去素子を含んでいることを特徴とするノイズ低減ヘッドセット。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/868,318 US8189803B2 (en) | 2004-06-15 | 2004-06-15 | Noise reduction headset |
US10/868,318 | 2004-06-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006014307A true JP2006014307A (ja) | 2006-01-12 |
JP4975277B2 JP4975277B2 (ja) | 2012-07-11 |
Family
ID=34940042
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005174271A Expired - Fee Related JP4975277B2 (ja) | 2004-06-15 | 2005-06-14 | ノイズ低減ヘッドセット |
Country Status (4)
Country | Link |
---|---|
US (1) | US8189803B2 (ja) |
EP (1) | EP1608202A3 (ja) |
JP (1) | JP4975277B2 (ja) |
CN (1) | CN1717120A (ja) |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2008124792A (ja) * | 2006-11-13 | 2008-05-29 | Sony Corp | ノイズキャンセル用のフィルタ回路、ノイズ低減信号生成方法、およびノイズキャンセリングシステム |
JP2008124564A (ja) * | 2006-11-08 | 2008-05-29 | Audio Technica Corp | ノイズキャンセルヘッドフォン |
JP2009021826A (ja) * | 2007-07-12 | 2009-01-29 | Sony Corp | 信号処理装置、信号処理方法、プログラム、ノイズキャンセリングシステム |
JP2009532926A (ja) * | 2006-04-01 | 2009-09-10 | ウォルフソン・マイクロエレクトロニクス・ピーエルシー | 周辺雑音低減制御システム |
JP2010283873A (ja) * | 2007-01-04 | 2010-12-16 | Bose Corp | マイク技術 |
JP2012510081A (ja) * | 2008-11-24 | 2012-04-26 | クゥアルコム・インコーポレイテッド | エンハンスドアクティブノイズキャンセルのためのシステム、方法、装置、およびコンピュータプログラム製品 |
US8189803B2 (en) | 2004-06-15 | 2012-05-29 | Bose Corporation | Noise reduction headset |
JP2013238870A (ja) * | 2013-07-01 | 2013-11-28 | Sony Corp | ノイズキャンセリングシステム |
US8630685B2 (en) | 2008-07-16 | 2014-01-14 | Qualcomm Incorporated | Method and apparatus for providing sidetone feedback notification to a user of a communication device with multiple microphones |
US8774421B2 (en) | 2010-09-15 | 2014-07-08 | Kabushiki Kaisha Audio-Technica | Noise canceling headphone and noise canceling earmuff |
US8995679B2 (en) | 2011-12-13 | 2015-03-31 | Bose Corporation | Power supply voltage-based headset function control |
US9049513B2 (en) | 2012-09-18 | 2015-06-02 | Bose Corporation | Headset power source managing |
JP2015537465A (ja) * | 2012-11-02 | 2015-12-24 | ボーズ・コーポレーションBosecorporation | Anrヘッドホンで周囲の自然さを提供すること |
US10595114B2 (en) | 2017-07-31 | 2020-03-17 | Bose Corporation | Adaptive headphone system |
JP2021057923A (ja) * | 2016-04-11 | 2021-04-08 | ソニー株式会社 | 音響処理装置 |
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US7215766B2 (en) | 2002-07-22 | 2007-05-08 | Lightspeed Aviation, Inc. | Headset with auxiliary input jack(s) for cell phone and/or other devices |
US7748343B2 (en) | 2004-11-22 | 2010-07-06 | The Board Of Trustees Of The University Of Illinois | Electrohydrodynamic spraying system |
KR101168466B1 (ko) * | 2005-04-21 | 2012-07-26 | 에스알에스 랩스, 인크. | 오디오 잡음을 감소시키는 시스템 및 방법 |
EP1727131A2 (en) * | 2005-05-26 | 2006-11-29 | Yamaha Hatsudoki Kabushiki Kaisha | Noise cancellation helmet, motor vehicle system including the noise cancellation helmet and method of canceling noise in helmet |
US8031878B2 (en) | 2005-07-28 | 2011-10-04 | Bose Corporation | Electronic interfacing with a head-mounted device |
US7627352B2 (en) | 2006-03-27 | 2009-12-01 | Gauger Jr Daniel M | Headset audio accessory |
US8054992B2 (en) * | 2006-04-24 | 2011-11-08 | Bose Corporation | High frequency compensating |
US20070253569A1 (en) * | 2006-04-26 | 2007-11-01 | Bose Amar G | Communicating with active noise reducing headset |
WO2007147077A2 (en) | 2006-06-14 | 2007-12-21 | Personics Holdings Inc. | Earguard monitoring system |
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 |
GB2441835B (en) * | 2007-02-07 | 2008-08-20 | Sonaptic Ltd | Ambient noise reduction system |
US11856375B2 (en) | 2007-05-04 | 2023-12-26 | Staton Techiya Llc | Method and device for in-ear echo suppression |
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Also Published As
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JP4975277B2 (ja) | 2012-07-11 |
US20050276421A1 (en) | 2005-12-15 |
EP1608202A2 (en) | 2005-12-21 |
EP1608202A3 (en) | 2006-09-06 |
CN1717120A (zh) | 2006-01-04 |
US8189803B2 (en) | 2012-05-29 |
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