NL9302013A - Systeem voor snelle convergentie van een adaptief filter bij het genereren van een tijdvariant signaal ter opheffing van een primair signaal. - Google Patents

Systeem voor snelle convergentie van een adaptief filter bij het genereren van een tijdvariant signaal ter opheffing van een primair signaal. Download PDF

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Publication number
NL9302013A
NL9302013A NL9302013A NL9302013A NL9302013A NL 9302013 A NL9302013 A NL 9302013A NL 9302013 A NL9302013 A NL 9302013A NL 9302013 A NL9302013 A NL 9302013A NL 9302013 A NL9302013 A NL 9302013A
Authority
NL
Netherlands
Prior art keywords
signal
generating
updating
control unit
input
Prior art date
Application number
NL9302013A
Other languages
English (en)
Dutch (nl)
Original Assignee
Tno
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
Application filed by Tno filed Critical Tno
Priority to NL9302013A priority Critical patent/NL9302013A/nl
Priority to EP94203358A priority patent/EP0654901B1/de
Priority to DE69420232T priority patent/DE69420232T2/de
Priority to ES94203358T priority patent/ES2136158T3/es
Priority to AT94203358T priority patent/ATE183861T1/de
Priority to DK94203358T priority patent/DK0654901T3/da
Priority to US08/344,588 priority patent/US5577127A/en
Publication of NL9302013A publication Critical patent/NL9302013A/nl
Priority to GR990402002T priority patent/GR3030971T3/el

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
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G10K11/17855—Methods, e.g. algorithms; Devices for improving speed or power requirements
    • 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
    • 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
    • G10K2210/30—Means
    • G10K2210/301—Computational
    • G10K2210/3046—Multiple acoustic inputs, multiple acoustic outputs
    • 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
    • G10K2210/3053—Speeding up computation or convergence, or decreasing the computational load

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Feedback Control In General (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Networks Using Active Elements (AREA)
NL9302013A 1993-11-19 1993-11-19 Systeem voor snelle convergentie van een adaptief filter bij het genereren van een tijdvariant signaal ter opheffing van een primair signaal. NL9302013A (nl)

Priority Applications (8)

Application Number Priority Date Filing Date Title
NL9302013A NL9302013A (nl) 1993-11-19 1993-11-19 Systeem voor snelle convergentie van een adaptief filter bij het genereren van een tijdvariant signaal ter opheffing van een primair signaal.
EP94203358A EP0654901B1 (de) 1993-11-19 1994-11-17 Schnelles Konvergenzsystem eines adaptiven Filters zur Erzeugung eines zeitabhängigen Signals zur Kompensation eines primären Signals
DE69420232T DE69420232T2 (de) 1993-11-19 1994-11-17 Schnelles Konvergenzsystem eines adaptiven Filters zur Erzeugung eines zeitabhängigen Signals zur Kompensation eines primären Signals
ES94203358T ES2136158T3 (es) 1993-11-19 1994-11-17 Sistema para la convergencia rapida de un filtro adaptativo para la generacion de una señal variable en el tiempo para la cancelacion de una señal primaria.
AT94203358T ATE183861T1 (de) 1993-11-19 1994-11-17 Schnelles konvergenzsystem eines adaptiven filters zur erzeugung eines zeitabhängigen signals zur kompensation eines primären signals
DK94203358T DK0654901T3 (da) 1993-11-19 1994-11-17 System til hurtig konvergens af et tilpasset filter i frembringelsen af et tidsvarierende signal til annullering af et prim
US08/344,588 US5577127A (en) 1993-11-19 1994-11-18 System for rapid convergence of an adaptive filter in the generation of a time variant signal for cancellation of a primary signal
GR990402002T GR3030971T3 (en) 1993-11-19 1999-08-26 System for the rapid convergence of an adaptive filter in the generation of a time variant signal for cancellation of a primary signal.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9302013A NL9302013A (nl) 1993-11-19 1993-11-19 Systeem voor snelle convergentie van een adaptief filter bij het genereren van een tijdvariant signaal ter opheffing van een primair signaal.
NL9302013 1993-11-19

Publications (1)

Publication Number Publication Date
NL9302013A true NL9302013A (nl) 1995-06-16

Family

ID=19863162

Family Applications (1)

Application Number Title Priority Date Filing Date
NL9302013A NL9302013A (nl) 1993-11-19 1993-11-19 Systeem voor snelle convergentie van een adaptief filter bij het genereren van een tijdvariant signaal ter opheffing van een primair signaal.

Country Status (8)

Country Link
US (1) US5577127A (de)
EP (1) EP0654901B1 (de)
AT (1) ATE183861T1 (de)
DE (1) DE69420232T2 (de)
DK (1) DK0654901T3 (de)
ES (1) ES2136158T3 (de)
GR (1) GR3030971T3 (de)
NL (1) NL9302013A (de)

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DE4421853A1 (de) * 1994-06-22 1996-01-04 Philips Patentverwaltung Mobilfunkendgerät
US5917919A (en) * 1995-12-04 1999-06-29 Rosenthal; Felix Method and apparatus for multi-channel active control of noise or vibration or of multi-channel separation of a signal from a noisy environment
US5978489A (en) * 1997-05-05 1999-11-02 Oregon Graduate Institute Of Science And Technology Multi-actuator system for active sound and vibration cancellation
US6094623A (en) * 1998-03-25 2000-07-25 The Governors Of The University Of Alberta Non-linear digital adaptive compensation in non-ideal noise environments
US6728380B1 (en) 1999-03-10 2004-04-27 Cummins, Inc. Adaptive noise suppression system and method
AU4323800A (en) * 2000-05-06 2001-11-20 Nanyang Technological University System for noise suppression, transceiver and method for noise suppression
US6831983B1 (en) * 2000-05-08 2004-12-14 Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Method for controlling an active control system and system using such method
DE10041885A1 (de) * 2000-08-25 2002-03-07 Mueller Bbm Gmbh Sprachsignalübertragungssystem für Fahrzeuge
US6738481B2 (en) 2001-01-10 2004-05-18 Ericsson Inc. Noise reduction apparatus and method
DE10135566B4 (de) * 2001-07-20 2009-12-10 Eads Deutschland Gmbh Verfahren und System zur aktiven Minderung der Schallabstrahlung von Triebwerken
CN1886104A (zh) 2003-11-26 2006-12-27 加利福尼亚大学董事会 有源噪声控制方法以及包含前馈和反馈控制器的设备
ES2297964B1 (es) * 2005-03-03 2009-08-25 Angel Carpeño Velayos Filtro incremental inteligente.
CA2647462C (en) 2006-04-01 2014-05-20 Widex A/S Hearing aid, and a method for control of adaptation rate in anti-feedback systems for hearing aids
GB2437772B8 (en) * 2006-04-12 2008-09-17 Wolfson Microelectronics Plc Digital circuit arrangements for ambient noise-reduction.
GB0725114D0 (en) * 2007-12-21 2008-01-30 Wolfson Microelectronics Plc Gain calibration based on evice properties
EP2430632B1 (de) 2009-05-11 2015-09-16 Koninklijke Philips N.V. Geräuschunterdrückung
DE102011106647A1 (de) 2011-07-05 2013-01-10 J. Eberspächer GmbH & Co. KG Antischall-system für abgasanlagen und verfahren zum steuern desselben
JP6699189B2 (ja) * 2016-01-19 2020-05-27 セイコーエプソン株式会社 プロジェクター及びプロジェクターの制御方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993015501A1 (en) * 1992-01-28 1993-08-05 Active Noise And Vibration Technologies Inc. Active noise cancellation

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US5170433A (en) * 1986-10-07 1992-12-08 Adaptive Control Limited Active vibration control
US4815139A (en) * 1988-03-16 1989-03-21 Nelson Industries, Inc. Active acoustic attenuation system for higher order mode non-uniform sound field in a duct
US4878188A (en) * 1988-08-30 1989-10-31 Noise Cancellation Tech Selective active cancellation system for repetitive phenomena
US5396561A (en) * 1990-11-14 1995-03-07 Nelson Industries, Inc. Active acoustic attenuation and spectral shaping system
US5278913A (en) * 1992-07-28 1994-01-11 Nelson Industries, Inc. Active acoustic attenuation system with power limiting
US5416845A (en) * 1993-04-27 1995-05-16 Noise Cancellation Technologies, Inc. Single and multiple channel block adaptive methods and apparatus for active sound and vibration control
US5428562A (en) * 1993-09-03 1995-06-27 At&T Corp. Fast converging adaptive filter

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993015501A1 (en) * 1992-01-28 1993-08-05 Active Noise And Vibration Technologies Inc. Active noise cancellation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ICASSP 90; 3-6 APRIL 1990; ALBUQUERQUE, (US); HONG FAN et al : ROBUST ADAPTIVE ALGORITHMS FOR ACTIVE NOISE AND VIBRATION CONTROL; P 1137-1140; *

Also Published As

Publication number Publication date
EP0654901A1 (de) 1995-05-24
DE69420232T2 (de) 2000-05-11
ATE183861T1 (de) 1999-09-15
ES2136158T3 (es) 1999-11-16
DK0654901T3 (da) 1999-12-13
DE69420232D1 (de) 1999-09-30
EP0654901B1 (de) 1999-08-25
GR3030971T3 (en) 1999-11-30
US5577127A (en) 1996-11-19

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