SG11201602643XA - Method and apparatus for nonlinear compensation in an active noise control system - Google Patents

Method and apparatus for nonlinear compensation in an active noise control system

Info

Publication number
SG11201602643XA
SG11201602643XA SG11201602643XA SG11201602643XA SG11201602643XA SG 11201602643X A SG11201602643X A SG 11201602643XA SG 11201602643X A SG11201602643X A SG 11201602643XA SG 11201602643X A SG11201602643X A SG 11201602643XA SG 11201602643X A SG11201602643X A SG 11201602643XA
Authority
SG
Singapore
Prior art keywords
control system
active noise
noise control
nonlinear compensation
nonlinear
Prior art date
Application number
SG11201602643XA
Inventor
Mohd Kamil Raja Ahmad Raja
Abdulredha Sahib Mouayad
Ghasemi Dehkordi Sepehr
Original Assignee
Univ Putra Malaysia
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 Univ Putra Malaysia filed Critical Univ Putra Malaysia
Publication of SG11201602643XA publication Critical patent/SG11201602643XA/en

Links

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
    • G10K11/1781—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
    • G10K11/17815—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 reference signals and the error signals, i.e. primary 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
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G10K11/17857—Geometric disposition, e.g. placement of microphones
    • 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
    • G10K2210/30—Means
    • G10K2210/301—Computational
    • G10K2210/3022—Error paths
    • 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
    • G10K2210/3035—Models, e.g. of the acoustic system
    • 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
    • G10K2210/3039—Nonlinear, e.g. clipping, numerical truncation, thresholding or variable input and output gain
    • 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
    • G10K2210/3039—Nonlinear, e.g. clipping, numerical truncation, thresholding or variable input and output gain
    • G10K2210/30391—Resetting of the filter parameters or changing the algorithm according to prevailing conditions

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
SG11201602643XA 2013-10-02 2014-10-01 Method and apparatus for nonlinear compensation in an active noise control system SG11201602643XA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
MYPI2013701854 2013-10-02
PCT/MY2014/000244 WO2015050431A1 (en) 2013-10-02 2014-10-01 Method and apparatus for nonlinear compensation in an active noise control system

Publications (1)

Publication Number Publication Date
SG11201602643XA true SG11201602643XA (en) 2016-05-30

Family

ID=52778956

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201602643XA SG11201602643XA (en) 2013-10-02 2014-10-01 Method and apparatus for nonlinear compensation in an active noise control system

Country Status (3)

Country Link
US (1) US9704470B2 (en)
SG (1) SG11201602643XA (en)
WO (1) WO2015050431A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3182407B1 (en) * 2015-12-17 2020-03-11 Harman Becker Automotive Systems GmbH Active noise control by adaptive noise filtering
EP3588489A1 (en) * 2018-06-29 2020-01-01 Helmut-Schmidt-Universität, Universität der Bundeswehr Hamburg Active noise cancellation system
CN109617537B (en) * 2018-12-03 2023-03-31 淮阴工学院 BIBO stable bilinear filter with channel-reducing function expansion 3D diagonal structure
CN111048061B (en) * 2019-12-27 2022-12-27 西安讯飞超脑信息科技有限公司 Method, device and equipment for obtaining step length of echo cancellation filter
CN111522244A (en) * 2020-02-14 2020-08-11 哈尔滨工程大学 Active control system using leakage FxLMS algorithm
CN111654781B (en) * 2020-03-13 2021-08-10 广州励丰文化科技股份有限公司 Low-frequency drive compensation method and system based on loudspeaker
CN113674729B (en) * 2021-06-25 2023-12-29 上海工程技术大学 Active control method for noise of passenger cabin of civil aircraft
CN113495485B (en) * 2021-07-22 2022-11-01 中国船舶集团有限公司第七一一研究所 Anti-saturation control method of active control system and active control system

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5386472A (en) * 1990-08-10 1995-01-31 General Motors Corporation Active noise control system
GB2308898B (en) 1996-01-02 1999-06-23 Wolfgang Johannes Hube Klippel Adaptive nonlinear controller for an electromechanic or an electroacoustic system
US5828760A (en) * 1996-06-26 1998-10-27 United Technologies Corporation Non-linear reduced-phase filters for active noise control
EP0973151B8 (en) * 1998-07-16 2009-02-25 Panasonic Corporation Noise control system
US7062050B1 (en) 2000-02-28 2006-06-13 Frank Joseph Pompei Preprocessing method for nonlinear acoustic system
US8452023B2 (en) * 2007-05-25 2013-05-28 Aliphcom Wind suppression/replacement component for use with electronic systems
US7826625B2 (en) 2004-12-21 2010-11-02 Ntt Docomo, Inc. Method and apparatus for frame-based loudspeaker equalization
US8160273B2 (en) * 2007-02-26 2012-04-17 Erik Visser Systems, methods, and apparatus for signal separation using data driven techniques
CN101276207A (en) 2008-05-07 2008-10-01 浙江大学 Multivariable non-linear system prediction function control method based on Hammerstein model
DK2486735T3 (en) * 2009-10-08 2015-06-08 Widex As A process for controlling the adaptation of the feedback cancellation in a hearing aid and a hearing aid
US20110312290A1 (en) * 2011-07-21 2011-12-22 Comtech Ef Data Corp. Method and System for Closed Loop Pre-Distortion for PSK/QAM Modulation Using Feedback from Distant End of a Link
US9516407B2 (en) * 2012-08-13 2016-12-06 Apple Inc. Active noise control with compensation for error sensing at the eardrum
US9461676B2 (en) * 2013-03-14 2016-10-04 Arizona Board Of Regents, A Body Corporate Of The State Of Arizona, Acting For And On Behalf Of Arizona State University Energy efficient distributed estimation using nonlinear amplifiers

Also Published As

Publication number Publication date
US9704470B2 (en) 2017-07-11
US20160240184A1 (en) 2016-08-18
WO2015050431A1 (en) 2015-04-09

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