ES2136158T3 - 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. - Google Patents

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.

Info

Publication number
ES2136158T3
ES2136158T3 ES94203358T ES94203358T ES2136158T3 ES 2136158 T3 ES2136158 T3 ES 2136158T3 ES 94203358 T ES94203358 T ES 94203358T ES 94203358 T ES94203358 T ES 94203358T ES 2136158 T3 ES2136158 T3 ES 2136158T3
Authority
ES
Spain
Prior art keywords
signal
cancellation
generating
providing
generation
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 - Lifetime
Application number
ES94203358T
Other languages
English (en)
Inventor
Overbeek Michiel W R M Van
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.)
Leistritz AG and Co Abgastechnik
Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek TNO
Original Assignee
Leistritz AG and Co Abgastechnik
Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek 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 Leistritz AG and Co Abgastechnik, Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek TNO filed Critical Leistritz AG and Co Abgastechnik
Application granted granted Critical
Publication of ES2136158T3 publication Critical patent/ES2136158T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G10K11/1785—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)
  • Electrophonic Musical Instruments (AREA)
  • Networks Using Active Elements (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)

Abstract

UN SISTEMA GENERADOR DE UNA SEÑAL SECUNDARIA (YS(K))PARA LA SUPRESION DE UNA SEÑAL PRIMARIA (YP(K)) QUE COMPRENDE: OS ELEMENTOS (8) PARA GENERAR UNA SEÑAL DE REFERENCIA ( (K)); UNA UNIDAD DE CONTROL (1) QUE TIENE UN FILTRO DIGITAL PARA PROPORCIONAR UNA SEÑAL DE CONTROL DE CANCELACION (S(K)); LEMENTOS GENERADORES DE CANCELACION (2) PARA GENERAR UNA SEÑAL SECUNDARIA (YS(K)); IONAR UNA SEÑAL DE ERROR ( (K)); CION (5) PARA PROPORCIONAR UNA SEÑAL DE ACTUALIZACION (UP(K)); RADA-X (R(K)) A LOS ELEMENTOS (5); LIZAR LOS COEFICIENTES DE FILTRO ( C,V(K)) DEL FILTRO EN LA UNIDAD DE CONTROL (1) CON LA AYUDA DEL LLAMADO "ALGORITMO DE PROYECCION" Y; DE CORRELACION DE ENTRADA DEFINIDA DE ACUERDO CON LA ECUACION (17) TIENE UNA DISTRIBUCION DE VALORES PROPIOS QUE TIENE UN VALOR AL MENOS IDENTICO SUSTANCIALMENTE A (1) TRAS LOS MINIMOS PASOS POSIBLES.
ES94203358T 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. Expired - Lifetime ES2136158T3 (es)

Applications Claiming Priority (1)

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.

Publications (1)

Publication Number Publication Date
ES2136158T3 true ES2136158T3 (es) 1999-11-16

Family

ID=19863162

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94203358T Expired - Lifetime 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.

Country Status (8)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2297964A1 (es) * 2005-03-03 2008-05-01 Angel Carpeño Velayos Filtro incremental inteligente.

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
WO2001086639A1 (en) * 2000-05-06 2001-11-15 Nanyang Technological University System for noise suppression, transceiver and method for noise suppression
WO2001086358A1 (en) * 2000-05-08 2001-11-15 Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno 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
EP1703878A4 (en) * 2003-11-26 2009-08-26 Univ California ACTIVE NOISE CONTROL AND DEVICE WITH FEEDFORWARD AND FEEDBACKWARD REGULATORS
CN101438603A (zh) 2006-04-01 2009-05-20 唯听助听器公司 助听器和助听器的抗反馈系统中自适应速率的控制方法
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
CN102422346B (zh) * 2009-05-11 2014-09-10 皇家飞利浦电子股份有限公司 音频噪声消除
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

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
GB9201761D0 (en) * 1992-01-28 1992-03-11 Active Noise & Vibration Tech Active cancellation
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2297964A1 (es) * 2005-03-03 2008-05-01 Angel Carpeño Velayos Filtro incremental inteligente.
ES2297964B1 (es) * 2005-03-03 2009-08-25 Angel Carpeño Velayos Filtro incremental inteligente.

Also Published As

Publication number Publication date
NL9302013A (nl) 1995-06-16
DE69420232T2 (de) 2000-05-11
EP0654901A1 (en) 1995-05-24
GR3030971T3 (en) 1999-11-30
EP0654901B1 (en) 1999-08-25
DK0654901T3 (da) 1999-12-13
DE69420232D1 (de) 1999-09-30
ATE183861T1 (de) 1999-09-15
US5577127A (en) 1996-11-19

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