NL9302076A - Systeem voor het genereren van een tijdvariant signaal ter onderdrukking van een primair signaal met minimalisatie van een predictiefout. - Google Patents

Systeem voor het genereren van een tijdvariant signaal ter onderdrukking van een primair signaal met minimalisatie van een predictiefout. Download PDF

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Publication number
NL9302076A
NL9302076A NL9302076A NL9302076A NL9302076A NL 9302076 A NL9302076 A NL 9302076A NL 9302076 A NL9302076 A NL 9302076A NL 9302076 A NL9302076 A NL 9302076A NL 9302076 A NL9302076 A NL 9302076A
Authority
NL
Netherlands
Prior art keywords
signal
filter
updating
transfer function
control unit
Prior art date
Application number
NL9302076A
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 NL9302076A priority Critical patent/NL9302076A/nl
Priority to AT94203399T priority patent/ATE193956T1/de
Priority to DK94203399T priority patent/DK0657871T3/da
Priority to EP94203399A priority patent/EP0657871B1/en
Priority to ES94203399T priority patent/ES2149237T3/es
Priority to DE69424924T priority patent/DE69424924T2/de
Priority to US08/352,671 priority patent/US5559839A/en
Publication of NL9302076A publication Critical patent/NL9302076A/nl

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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
    • G10K11/17813—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 acoustic paths, e.g. estimating, calibrating or testing of transfer functions or cross-terms
    • G10K11/17817—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 acoustic paths, e.g. estimating, calibrating or testing of transfer functions or cross-terms between the output signals and the error signals, i.e. secondary path
    • 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
    • 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
    • G10K2210/3053—Speeding up computation or convergence, or decreasing the computational load

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Feedback Control In General (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Error Detection And Correction (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Traffic Control Systems (AREA)
NL9302076A 1993-11-30 1993-11-30 Systeem voor het genereren van een tijdvariant signaal ter onderdrukking van een primair signaal met minimalisatie van een predictiefout. NL9302076A (nl)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NL9302076A NL9302076A (nl) 1993-11-30 1993-11-30 Systeem voor het genereren van een tijdvariant signaal ter onderdrukking van een primair signaal met minimalisatie van een predictiefout.
AT94203399T ATE193956T1 (de) 1993-11-30 1994-11-22 System zur erzeugung eines zeitvarianten signals zur unterdrückung eines primärsignals zur minimierung eines voraussagbaren fehlers
DK94203399T DK0657871T3 (da) 1993-11-30 1994-11-22 System til generering af et tidsvariant signal til undertrykkelse af et primært signal med minimering af en forudsigelsesfe
EP94203399A EP0657871B1 (en) 1993-11-30 1994-11-22 System for the generation of a time variant signal for suppression of a primary signal with minimisation of a prediction error
ES94203399T ES2149237T3 (es) 1993-11-30 1994-11-22 Sistema de generacion de una señal variable en el tiempo para suprimir una señal primaria con minimacion de un error de prediccion.
DE69424924T DE69424924T2 (de) 1993-11-30 1994-11-22 System zur Erzeugung eines zeitvarianten Signals zur Unterdrückung eines Primärsignals zur Minimierung eines voraussagbaren Fehlers
US08/352,671 US5559839A (en) 1993-11-30 1994-11-30 System for the generation of a time variant signal for suppression of a primary signal with minimization of a prediction error

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9302076 1993-11-30
NL9302076A NL9302076A (nl) 1993-11-30 1993-11-30 Systeem voor het genereren van een tijdvariant signaal ter onderdrukking van een primair signaal met minimalisatie van een predictiefout.

Publications (1)

Publication Number Publication Date
NL9302076A true NL9302076A (nl) 1995-06-16

Family

ID=19863207

Family Applications (1)

Application Number Title Priority Date Filing Date
NL9302076A NL9302076A (nl) 1993-11-30 1993-11-30 Systeem voor het genereren van een tijdvariant signaal ter onderdrukking van een primair signaal met minimalisatie van een predictiefout.

Country Status (7)

Country Link
US (1) US5559839A (da)
EP (1) EP0657871B1 (da)
AT (1) ATE193956T1 (da)
DE (1) DE69424924T2 (da)
DK (1) DK0657871T3 (da)
ES (1) ES2149237T3 (da)
NL (1) NL9302076A (da)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5805480A (en) * 1997-07-03 1998-09-08 National Semiconductor Corporation Rotationally predictive adaptive filter
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
US6963649B2 (en) * 2000-10-24 2005-11-08 Adaptive Technologies, Inc. Noise cancelling microphone
AU2003903826A0 (en) 2003-07-24 2003-08-07 University Of South Australia An ofdm receiver structure
JP2011121534A (ja) * 2009-12-14 2011-06-23 Honda Motor Co Ltd 能動型騒音制御装置
US11688381B2 (en) * 2021-09-15 2023-06-27 Jiangnan University Feedback active noise control system and strategy with online secondary-path modeling

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4677676A (en) * 1986-02-11 1987-06-30 Nelson Industries, Inc. Active attenuation system with on-line modeling of speaker, error path and feedback pack
US5135079A (en) * 1990-02-28 1992-08-04 Kabushiki Kaisha Toshiba Noise prevention apparatus for a cable winch elevator
US5150414A (en) * 1991-03-27 1992-09-22 The United States Of America As Represented By The Secretary Of The Navy Method and apparatus for signal prediction in a time-varying signal system
JPH0540485A (ja) * 1991-08-05 1993-02-19 Fujitsu Ten Ltd 騒音制御装置
EP0590350A2 (en) * 1992-09-30 1994-04-06 Matsushita Electric Industrial Co., Ltd. Noise controller

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5117401A (en) * 1990-08-16 1992-05-26 Hughes Aircraft Company Active adaptive noise canceller without training mode
JP3172198B2 (ja) * 1991-03-01 2001-06-04 株式会社東芝 等化方式
US5388080A (en) * 1993-04-27 1995-02-07 Hughes Aircraft Company Non-integer sample delay active noise canceller
US5414733A (en) * 1993-12-20 1995-05-09 Adtran Decision feedback equalizer employing fixed ratio postcursor taps for minimizing noise and intersymbol interference in signals conveyed over high speed data service loop

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4677676A (en) * 1986-02-11 1987-06-30 Nelson Industries, Inc. Active attenuation system with on-line modeling of speaker, error path and feedback pack
US5135079A (en) * 1990-02-28 1992-08-04 Kabushiki Kaisha Toshiba Noise prevention apparatus for a cable winch elevator
US5150414A (en) * 1991-03-27 1992-09-22 The United States Of America As Represented By The Secretary Of The Navy Method and apparatus for signal prediction in a time-varying signal system
JPH0540485A (ja) * 1991-08-05 1993-02-19 Fujitsu Ten Ltd 騒音制御装置
EP0590350A2 (en) * 1992-09-30 1994-04-06 Matsushita Electric Industrial Co., Ltd. Noise controller

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 17, no. 332 (P - 1562) 23 June 1993 (1993-06-23) *

Also Published As

Publication number Publication date
DK0657871T3 (da) 2000-10-30
DE69424924D1 (de) 2000-07-20
EP0657871A1 (en) 1995-06-14
ES2149237T3 (es) 2000-11-01
DE69424924T2 (de) 2001-02-22
ATE193956T1 (de) 2000-06-15
US5559839A (en) 1996-09-24
EP0657871B1 (en) 2000-06-14

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