ATE554476T1 - Vorrichtung und verfahren zur reduktion von schall einer rauschquelle in beschränkten frequenzbereichen - Google Patents

Vorrichtung und verfahren zur reduktion von schall einer rauschquelle in beschränkten frequenzbereichen

Info

Publication number
ATE554476T1
ATE554476T1 AT05018501T AT05018501T ATE554476T1 AT E554476 T1 ATE554476 T1 AT E554476T1 AT 05018501 T AT05018501 T AT 05018501T AT 05018501 T AT05018501 T AT 05018501T AT E554476 T1 ATE554476 T1 AT E554476T1
Authority
AT
Austria
Prior art keywords
noise source
control unit
frequency ranges
electroacoustic transducer
sound
Prior art date
Application number
AT05018501T
Other languages
English (en)
Inventor
Harald Breitbach
Delf Sachau
Christian Gerner
Original Assignee
Airbus Operations Gmbh
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 Airbus Operations Gmbh filed Critical Airbus Operations Gmbh
Application granted granted Critical
Publication of ATE554476T1 publication Critical patent/ATE554476T1/de

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
    • G10K11/1787—General system configurations
    • G10K11/17879—General system configurations using both a reference signal and an error signal
    • G10K11/17883—General system configurations using both a reference signal and an error signal the reference signal being derived from a machine operating condition, e.g. engine RPM or vehicle speed
    • 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
    • G10K11/17821—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 input signals only
    • G10K11/17825—Error signals
    • 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
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/321—Physical
    • G10K2210/3227—Resonators
    • G10K2210/32271—Active resonators
    • 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)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
AT05018501T 2004-08-26 2005-08-25 Vorrichtung und verfahren zur reduktion von schall einer rauschquelle in beschränkten frequenzbereichen ATE554476T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004041214A DE102004041214B4 (de) 2004-08-26 2004-08-26 Vorrichtung zur Schallminderung von Lärmquellen in schmalen Frequenzbereichen
US64628205P 2005-01-24 2005-01-24

Publications (1)

Publication Number Publication Date
ATE554476T1 true ATE554476T1 (de) 2012-05-15

Family

ID=35852355

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05018501T ATE554476T1 (de) 2004-08-26 2005-08-25 Vorrichtung und verfahren zur reduktion von schall einer rauschquelle in beschränkten frequenzbereichen

Country Status (2)

Country Link
AT (1) ATE554476T1 (de)
DE (1) DE102004041214B4 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006012856B4 (de) * 2006-03-21 2016-11-24 Robert Bosch Gmbh Mikromechanische Struktur zum Empfang und/oder zur Erzeugung von akustischen Signalen und Verfahren zum Empfang und/oder zur Erzeugung von akustischen Signalen
EP2832637B1 (de) 2013-07-30 2017-04-05 Airbus Operations GmbH Vibroakustische Reduktion an Bord eines Flugzeugs

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2814093C2 (de) * 1978-04-01 1980-05-14 Messerschmitt-Boelkow-Blohm Gmbh, 8000 Muenchen Antischallgeber
US4562589A (en) * 1982-12-15 1985-12-31 Lord Corporation Active attenuation of noise in a closed structure
DE19836483A1 (de) * 1998-08-12 2000-02-17 Bosch Gmbh Robert Verfahren und Vorrichtung zur elektrischen Bedämpfung eines Ausschwingens eines mechanisch schwingenden Bauteiles

Also Published As

Publication number Publication date
DE102004041214A1 (de) 2006-03-09
DE102004041214B4 (de) 2006-07-06

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