DE69328851D1 - Aktive Regelungsvorrichtung mit einem adaptiven Digitalfilter - Google Patents

Aktive Regelungsvorrichtung mit einem adaptiven Digitalfilter

Info

Publication number
DE69328851D1
DE69328851D1 DE69328851T DE69328851T DE69328851D1 DE 69328851 D1 DE69328851 D1 DE 69328851D1 DE 69328851 T DE69328851 T DE 69328851T DE 69328851 T DE69328851 T DE 69328851T DE 69328851 D1 DE69328851 D1 DE 69328851D1
Authority
DE
Germany
Prior art keywords
control device
digital filter
active control
adaptive digital
adaptive
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.)
Expired - Fee Related
Application number
DE69328851T
Other languages
English (en)
Other versions
DE69328851T2 (de
Inventor
Masaki Eguchi
Jun Saitoh
Hiroyuki Iida
Kozo Hiyoshi
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.)
Sharp Corp
Original Assignee
Sharp 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
Priority claimed from JP4178751A external-priority patent/JP2989379B2/ja
Priority claimed from JP4315325A external-priority patent/JP2934928B2/ja
Application filed by Sharp Corp filed Critical Sharp Corp
Application granted granted Critical
Publication of DE69328851D1 publication Critical patent/DE69328851D1/de
Publication of DE69328851T2 publication Critical patent/DE69328851T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00—Adaptive networks
    • H03H21/0012—Digital adaptive filters
    • 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
    • G10K11/17881—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
    • 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
    • G10K2210/106—Boxes, i.e. active box covering a noise source; Enclosures
    • 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
    • G10K2210/3012—Algorithms
    • 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
    • G10K2210/3045—Multiple acoustic inputs, single acoustic output
    • 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
    • G10K2210/50—Miscellaneous
    • G10K2210/501—Acceleration, e.g. for accelerometers
    • 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
    • G10K2210/50—Miscellaneous
    • G10K2210/503—Diagnostics; Stability; Alarms; Failsafe
    • 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
    • G10K2210/50—Miscellaneous
    • G10K2210/511—Narrow band, e.g. implementations for single frequency cancellation

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Filters That Use Time-Delay Elements (AREA)
DE69328851T 1992-07-07 1993-07-06 Aktive Regelungsvorrichtung mit einem adaptiven Digitalfilter Expired - Fee Related DE69328851T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4178751A JP2989379B2 (ja) 1992-07-07 1992-07-07 適応型ｉｉｒディジタルフィルタを用いた能動制御装置
JP4315325A JP2934928B2 (ja) 1992-11-25 1992-11-25 適応型デジタルフィルタを用いた能動制御装置

Publications (2)

Publication Number Publication Date
DE69328851D1 true DE69328851D1 (de) 2000-07-20
DE69328851T2 DE69328851T2 (de) 2000-11-16

Family

ID=26498843

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69328851T Expired - Fee Related DE69328851T2 (de) 1992-07-07 1993-07-06 Aktive Regelungsvorrichtung mit einem adaptiven Digitalfilter

Country Status (3)

Country Link
US (1) US5337366A (de)
EP (1) EP0578212B1 (de)
DE (1) DE69328851T2 (de)

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AU662805B2 (en) * 1992-04-06 1995-09-14 Addison M. Fischer A method for processing information among computers which may exchange messages
US5613009A (en) * 1992-12-16 1997-03-18 Bridgestone Corporation Method and apparatus for controlling vibration
JPH06202669A (ja) * 1992-12-28 1994-07-22 Toshiba Corp 能動消音装置
JPH06332470A (ja) * 1993-05-21 1994-12-02 Fuji Heavy Ind Ltd 車室内騒音低減装置
JP2872547B2 (ja) * 1993-10-13 1999-03-17 シャープ株式会社 格子型フィルタを用いた能動制御方法および装置
US5546459A (en) * 1993-11-01 1996-08-13 Qualcomm Incorporated Variable block size adaptation algorithm for noise-robust acoustic echo cancellation
US5586189A (en) * 1993-12-14 1996-12-17 Digisonix, Inc. Active adaptive control system with spectral leak
CA2148962C (en) * 1994-05-23 2000-03-28 Douglas G. Pedersen Coherence optimized active adaptive control system
US5586190A (en) * 1994-06-23 1996-12-17 Digisonix, Inc. Active adaptive control system with weight update selective leakage
US5621803A (en) * 1994-09-02 1997-04-15 Digisonix, Inc. Active attenuation system with on-line modeling of feedback path
US5528555A (en) * 1994-12-09 1996-06-18 The United States Of America As Represented By The Secretary Of The Navy System and method for compensating for towed array motion induced errors
US5602929A (en) * 1995-01-30 1997-02-11 Digisonix, Inc. Fast adapting control system and method
DE19505610A1 (de) * 1995-02-18 1996-08-22 Bosch Gmbh Robert Vorrichtung zur Kompensation der akustischen Rückkopplung bei einem System zur aktiven Geräuschminderung
US5745396A (en) * 1995-04-28 1998-04-28 Lucent Technologies Inc. Pipelined adaptive IIR filter
US5715320A (en) * 1995-08-21 1998-02-03 Digisonix, Inc. Active adaptive selective control system
US5675644A (en) * 1995-09-26 1997-10-07 Qualcomm Incorporated Method and apparatus for canceling echo accounting for delay variations
FR2739214B1 (fr) * 1995-09-27 1997-12-19 Technofirst Procede et dispositif d'attenuation active hybride de vibrations, notamment de vibrations mecaniques, sonores ou analogues
US5710822A (en) * 1995-11-07 1998-01-20 Digisonix, Inc. Frequency selective active adaptive control system
JP2924762B2 (ja) * 1996-02-28 1999-07-26 日本電気株式会社 アダプティブフィルタ及びその適応化方法
US5692055A (en) * 1996-09-24 1997-11-25 Honda Giken Kogyo Kabushiki Kaisha Active noise-suppressive control method and apparatus
ATE245886T1 (de) * 1997-04-16 2003-08-15 Dsp Factory Ltd Verfahren und vorrichtung zur rauschverminderung, insbesondere bei hörhilfegeräten
EP0905933A3 (de) * 1997-09-24 2004-03-24 STUDER Professional Audio AG Verfahren und Vorrichtung zum Mischen von Tonsignalen
US5905659A (en) * 1997-10-07 1999-05-18 Rose; Ralph E. Training a recursive filter by use of derivative function
US6078566A (en) * 1998-04-28 2000-06-20 Genesys Telecommunications Laboratories, Inc. Noise reduction techniques and apparatus for enhancing wireless data network telephony
EP0973151B8 (de) * 1998-07-16 2009-02-25 Panasonic Corporation Lärmkontrolleanordnung
DE10256452A1 (de) * 2002-12-03 2004-06-24 Rohde & Schwarz Gmbh & Co. Kg Verfahren zur Analyse der Kanalimpulsantwort eines Übertragungskanals
GB2465681B (en) * 2006-04-12 2010-12-15 Wolfson Microelectronics Plc Digital circuit arrangements for ambient noise-reduction
GB2437772B8 (en) 2006-04-12 2008-09-17 Wolfson Microelectronics Plc Digital circuit arrangements for ambient noise-reduction.
GB0725112D0 (en) * 2007-12-21 2008-01-30 Wolfson Microelectronics Plc Adapting cut-off frequency
DE102008056538A1 (de) * 2008-11-10 2010-05-12 Uhde Gmbh Prozessgaserzeugung mittels Wärmerückgewinnung aus Niedertemperaturabwärme
US8135140B2 (en) 2008-11-20 2012-03-13 Harman International Industries, Incorporated System for active noise control with audio signal compensation
US9020158B2 (en) 2008-11-20 2015-04-28 Harman International Industries, Incorporated Quiet zone control system
US8718289B2 (en) * 2009-01-12 2014-05-06 Harman International Industries, Incorporated System for active noise control with parallel adaptive filter configuration
US8189799B2 (en) 2009-04-09 2012-05-29 Harman International Industries, Incorporated System for active noise control based on audio system output
US8199924B2 (en) * 2009-04-17 2012-06-12 Harman International Industries, Incorporated System for active noise control with an infinite impulse response filter
US8090114B2 (en) 2009-04-28 2012-01-03 Bose Corporation Convertible filter
EP2800091B1 (de) * 2009-04-28 2016-01-20 Bose Corporation Tonabhängige ANR-Signalverarbeitungseinstellung
US8315405B2 (en) * 2009-04-28 2012-11-20 Bose Corporation Coordinated ANR reference sound compression
US8472637B2 (en) 2010-03-30 2013-06-25 Bose Corporation Variable ANR transform compression
US8611553B2 (en) 2010-03-30 2013-12-17 Bose Corporation ANR instability detection
US8073150B2 (en) * 2009-04-28 2011-12-06 Bose Corporation Dynamically configurable ANR signal processing topology
US8184822B2 (en) * 2009-04-28 2012-05-22 Bose Corporation ANR signal processing topology
US8532310B2 (en) 2010-03-30 2013-09-10 Bose Corporation Frequency-dependent ANR reference sound compression
US8165313B2 (en) * 2009-04-28 2012-04-24 Bose Corporation ANR settings triple-buffering
US8073151B2 (en) * 2009-04-28 2011-12-06 Bose Corporation Dynamically configurable ANR filter block topology
US8077873B2 (en) * 2009-05-14 2011-12-13 Harman International Industries, Incorporated System for active noise control with adaptive speaker selection
FR2946203B1 (fr) * 2009-05-28 2016-07-29 Ixmotion Procede et dispositif d'attenuation d'un bruit a bande etroite dans un habitacle d'un vehicule
US8737636B2 (en) 2009-07-10 2014-05-27 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for adaptive active noise cancellation
US8385559B2 (en) * 2009-12-30 2013-02-26 Robert Bosch Gmbh Adaptive digital noise canceller
US9099075B2 (en) * 2010-10-20 2015-08-04 Yamaha Corporation Standing wave attenuation device
CN106059531B (zh) * 2016-05-24 2018-06-29 苏州大学 一种非负自适应滤波器
US10037755B2 (en) * 2016-11-25 2018-07-31 Signal Processing, Inc. Method and system for active noise reduction

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US4736431A (en) * 1986-10-23 1988-04-05 Nelson Industries, Inc. Active attenuation system with increased dynamic range
JP2598483B2 (ja) * 1988-09-05 1997-04-09 日立プラント建設株式会社 電子消音システム
US5259033A (en) * 1989-08-30 1993-11-02 Gn Danavox As Hearing aid having compensation for acoustic feedback
US4987598A (en) * 1990-05-03 1991-01-22 Nelson Industries Active acoustic attenuation system with overall modeling
US5172416A (en) * 1990-11-14 1992-12-15 Nelson Industries, Inc. Active attenuation system with specified output acoustic wave

Also Published As

Publication number Publication date
EP0578212A3 (en) 1995-08-16
DE69328851T2 (de) 2000-11-16
EP0578212B1 (de) 2000-06-14
US5337366A (en) 1994-08-09
EP0578212A2 (de) 1994-01-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee