JP4995276B2 - エンジン速度決定アクティブ雑音減少 - Google Patents
エンジン速度決定アクティブ雑音減少 Download PDFInfo
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- JP4995276B2 JP4995276B2 JP2009518490A JP2009518490A JP4995276B2 JP 4995276 B2 JP4995276 B2 JP 4995276B2 JP 2009518490 A JP2009518490 A JP 2009518490A JP 2009518490 A JP2009518490 A JP 2009518490A JP 4995276 B2 JP4995276 B2 JP 4995276B2
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- 230000009467 reduction Effects 0.000 title claims abstract description 117
- 230000003044 adaptive effect Effects 0.000 claims abstract description 45
- 238000000034 method Methods 0.000 claims abstract description 28
- 238000012545 processing Methods 0.000 claims description 15
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- 238000009499 grossing Methods 0.000 abstract description 10
- 230000005236 sound signal Effects 0.000 description 55
- 238000010586 diagram Methods 0.000 description 13
- 230000003595 spectral effect Effects 0.000 description 10
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- 238000004891 communication Methods 0.000 description 6
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- 230000006978 adaptation Effects 0.000 description 4
- 238000013459 approach Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000005534 acoustic noise Effects 0.000 description 2
- 238000004422 calculation algorithm Methods 0.000 description 2
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Classifications
-
- 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
- G10K11/17825—Error signals
-
- 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
- G10K11/17833—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 using a self-diagnostic function or a malfunction prevention function, e.g. detecting abnormal output levels
-
- 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
-
- 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
- G10K11/17854—Methods, e.g. algorithms; Devices of the filter the filter being an adaptive filter
-
- 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
- G10K11/17883—General system configurations using both a reference signal and an error signal the reference signal being derived from a machine operating condition, e.g. engine RPM or vehicle speed
-
- 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
-
- 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
- H04R3/002—Damping circuit arrangements for transducers, e.g. motional feedback circuits
-
- 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
- G10K2210/128—Vehicles
- G10K2210/1282—Automobiles
Landscapes
- 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)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Exhaust Silencers (AREA)
Description
14 結合器
16 適応フィルタ
18 漏れ調節器
19 雑音低減基準信号生成器
20 係数計算機
22’ 客室フィルタ
23’ 客室フィルタ
24’’ マイクロフォン
25’ 客室フィルタ
26 電力増幅器
28’ 音響ドライバ
30 増幅器
38 通信経路
Claims (8)
- エンジン速度を表現する低レイテンシ信号を受信する段階と、
エンジン速度を表現する高レイテンシ信号を送信する段階と、
基準周波数で雑音低減基準信号を構成するために前記高レイテンシ信号を処理する段階と、
前記基準周波数の所定の倍数に対応する周波数で雑音低減音声信号を生成するために、雑音低減基準信号を処理する段階と、
を具備し、
前記基準周波数はエンジン速度に関連することを特徴とするアクティブ雑音減少システムを動作するための方法。 - 密閉空間内の雑音を表現する雑音信号を提供するために前記密閉空間内の音響エネルギーを変換する段階と、
雑音低減音声信号を構成するために、前記雑音信号に応答して、前記雑音低減基準信号の位相及び大きさを修正する段階と、
をさらに具備する請求項1に記載の方法。 - 前記雑音低減信号の位相及び大きさを決定する前記段階は、適応フィルタを具備する回路によって実行されることを特徴とする請求項2に記載の方法。
- 前記密閉空間は、輸送手段の客室であることを特徴とする請求項3に記載の方法。
- エンジン速度を表現する低レイテンシ信号を受信するためであるとともに、エンジン速度を表現する高レイテンシ信号を送信するための要素と、
基準周波数で雑音低減基準信号を構成するために、前記高レイテンシ信号を処理するための雑音低減基準信号生成器と、
前記基準周波数の所定の倍数に対応する周波数で雑音低減音声信号を生成するために、雑音低減基準信号を処理するための雑音低減回路と、
を具備し、
前記基準周波数は前記エンジン速度に関連することを特徴とするアクティブ雑音減少システム。 - 密閉空間内の雑音を表現する雑音信号を提供するために、前記密閉空間内の音響エネルギーを変換するためのマイクロフォンをさらに具備し、
前記雑音低減回路は、雑音低減音声信号を構成するために、前記雑音低減基準信号の位相及び大きさを決定することを特徴とする請求項5に記載のアクティブ雑音減少システム。 - 前記雑音低減回路は、適応フィルタを具備することを特徴とする請求項5に記載のアクティブ雑音減少システム。
- 前記密閉空間は、輸送手段の客室であることを特徴とする請求項5に記載のアクティブ雑音減少システム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/426,512 US20070297619A1 (en) | 2006-06-26 | 2006-06-26 | Active noise reduction engine speed determining |
US11/426,512 | 2006-06-26 | ||
PCT/US2007/072025 WO2008002873A2 (en) | 2006-06-26 | 2007-06-25 | Active noise reduction engine speed determining |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009541144A JP2009541144A (ja) | 2009-11-26 |
JP4995276B2 true JP4995276B2 (ja) | 2012-08-08 |
Family
ID=38698423
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009518490A Expired - Fee Related JP4995276B2 (ja) | 2006-06-26 | 2007-06-25 | エンジン速度決定アクティブ雑音減少 |
Country Status (6)
Country | Link |
---|---|
US (2) | US20070297619A1 (ja) |
EP (1) | EP2033185B1 (ja) |
JP (1) | JP4995276B2 (ja) |
CN (1) | CN101473371B (ja) |
AT (1) | ATE524805T1 (ja) |
WO (1) | WO2008002873A2 (ja) |
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DE102005039621A1 (de) * | 2005-08-19 | 2007-03-01 | Micronas Gmbh | Verfahren und Vorrichtung zur adaptiven Reduktion von Rausch- und Hintergrundsignalen in einem sprachverarbeitenden System |
US8194873B2 (en) * | 2006-06-26 | 2012-06-05 | Davis Pan | Active noise reduction adaptive filter leakage adjusting |
TW200826062A (en) * | 2008-01-15 | 2008-06-16 | Asia Vital Components Co Ltd | System of inhibiting broadband noise of communication equipment room |
US8204242B2 (en) * | 2008-02-29 | 2012-06-19 | Bose Corporation | Active noise reduction adaptive filter leakage adjusting |
EP2110523A1 (en) * | 2008-04-16 | 2009-10-21 | Robert Bosch GmbH | A device and method for active noise cancellation in an exhaust gas channel of a combustion engine |
US8355512B2 (en) * | 2008-10-20 | 2013-01-15 | Bose Corporation | Active noise reduction adaptive filter leakage adjusting |
US8306240B2 (en) * | 2008-10-20 | 2012-11-06 | Bose Corporation | Active noise reduction adaptive filter adaptation rate adjusting |
KR101239318B1 (ko) * | 2008-12-22 | 2013-03-05 | 한국전자통신연구원 | 음질 향상 장치와 음성 인식 시스템 및 방법 |
US8335318B2 (en) * | 2009-03-20 | 2012-12-18 | Bose Corporation | Active noise reduction adaptive filtering |
JP2010249800A (ja) * | 2009-03-25 | 2010-11-04 | Aisan Ind Co Ltd | レゾルバ |
US8284327B2 (en) * | 2010-01-12 | 2012-10-09 | The Ride, Inc. | Vehicle for entertainment and method for entertaining |
US8280073B2 (en) * | 2010-03-08 | 2012-10-02 | Bose Corporation | Correcting engine noise cancellation microphone disturbances |
JP2012133205A (ja) * | 2010-12-22 | 2012-07-12 | Sony Corp | ノイズ低減装置および方法、並びにプログラム |
US8892046B2 (en) * | 2012-03-29 | 2014-11-18 | Bose Corporation | Automobile communication system |
US9167067B2 (en) | 2013-02-14 | 2015-10-20 | Bose Corporation | Motor vehicle noise management |
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JP6499279B2 (ja) * | 2014-09-24 | 2019-04-10 | ボーズ・コーポレーションBose Corporation | 複数のノイズ源からの高調波ノイズの能動低減 |
US9773495B2 (en) | 2016-01-25 | 2017-09-26 | Ford Global Technologies, Llc | System and method for personalized sound isolation in vehicle audio zones |
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CN106773705B (zh) * | 2017-01-06 | 2018-10-19 | 西安交通大学 | 一种用于减振消噪的自适应主动控制方法及主动控制系统 |
JP6928865B2 (ja) * | 2017-03-16 | 2021-09-01 | パナソニックIpマネジメント株式会社 | 能動型騒音低減装置及び能動型騒音低減方法 |
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CN112550191B (zh) * | 2020-12-10 | 2022-07-12 | 奇瑞汽车股份有限公司 | 用于汽车主动降噪系统的降噪参考信号生成方法 |
KR20230087161A (ko) * | 2021-12-09 | 2023-06-16 | 현대자동차주식회사 | 차량 음향 제어 장치 및 방법 |
CN114170992B (zh) * | 2022-02-11 | 2022-08-05 | 科大讯飞(苏州)科技有限公司 | 一种车辆主动降噪效果评价方法、装置、存储介质及设备 |
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US8355512B2 (en) * | 2008-10-20 | 2013-01-15 | Bose Corporation | Active noise reduction adaptive filter leakage adjusting |
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-
2006
- 2006-06-26 US US11/426,512 patent/US20070297619A1/en not_active Abandoned
-
2007
- 2007-06-25 WO PCT/US2007/072025 patent/WO2008002873A2/en active Application Filing
- 2007-06-25 AT AT07812301T patent/ATE524805T1/de not_active IP Right Cessation
- 2007-06-25 CN CN2007800227600A patent/CN101473371B/zh not_active Expired - Fee Related
- 2007-06-25 EP EP07812301A patent/EP2033185B1/en not_active Not-in-force
- 2007-06-25 JP JP2009518490A patent/JP4995276B2/ja not_active Expired - Fee Related
-
2015
- 2015-07-29 US US14/812,560 patent/US9729966B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP2033185B1 (en) | 2011-09-14 |
ATE524805T1 (de) | 2011-09-15 |
EP2033185A2 (en) | 2009-03-11 |
US9729966B2 (en) | 2017-08-08 |
WO2008002873B1 (en) | 2008-07-31 |
US20150334490A1 (en) | 2015-11-19 |
US20070297619A1 (en) | 2007-12-27 |
WO2008002873A3 (en) | 2008-06-05 |
CN101473371A (zh) | 2009-07-01 |
CN101473371B (zh) | 2012-10-03 |
WO2008002873A2 (en) | 2008-01-03 |
JP2009541144A (ja) | 2009-11-26 |
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