DE59106641D1 - Aktives Geräuschminderungssystem für den Innenraum von Kraftfahrzeugen. - Google Patents

Aktives Geräuschminderungssystem für den Innenraum von Kraftfahrzeugen.

Info

Publication number
DE59106641D1
DE59106641D1 DE59106641T DE59106641T DE59106641D1 DE 59106641 D1 DE59106641 D1 DE 59106641D1 DE 59106641 T DE59106641 T DE 59106641T DE 59106641 T DE59106641 T DE 59106641T DE 59106641 D1 DE59106641 D1 DE 59106641D1
Authority
DE
Germany
Prior art keywords
interior
noise reduction
motor vehicles
reduction system
active noise
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 - Fee Related
Application number
DE59106641T
Other languages
English (en)
Inventor
Bernhard Dipl Ing Lange
Klaus Dr Ing Hieronimus
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.)
Adam Opel GmbH
Original Assignee
Adam Opel 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 Adam Opel GmbH filed Critical Adam Opel GmbH
Application granted granted Critical
Publication of DE59106641D1 publication Critical patent/DE59106641D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G10K11/1783—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 handling or detecting of non-standard events or conditions, e.g. changing operating modes under specific operating conditions
    • 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
    • G10K11/17823—Reference signals, e.g. ambient acoustic environment
    • 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
    • G10K11/17883—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
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/103—Three dimensional
    • 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
    • G10K2210/10—Applications
    • G10K2210/128—Vehicles
    • G10K2210/1282—Automobiles
    • 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
    • G10K2210/10—Applications
    • G10K2210/128—Vehicles
    • G10K2210/1282—Automobiles
    • G10K2210/12821—Rolling noise; Wind and body noise
    • 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
    • G10K2210/3217—Collocated sensor and cancelling actuator, e.g. "virtual earth" designs
    • 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
    • G10K2210/3221—Headrests, seats or the like, for personal ANC systems
    • 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
    • G10K2210/32272—Helmholtz resonators

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
DE59106641T 1990-05-12 1991-05-08 Aktives Geräuschminderungssystem für den Innenraum von Kraftfahrzeugen. Expired - Fee Related DE59106641D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4015313A DE4015313A1 (de) 1990-05-12 1990-05-12 Aktives geraeuschminderungssystem fuer den innenraum von kraftfahrzeugen

Publications (1)

Publication Number Publication Date
DE59106641D1 true DE59106641D1 (de) 1995-11-16

Family

ID=6406282

Family Applications (2)

Application Number Title Priority Date Filing Date
DE4015313A Granted DE4015313A1 (de) 1990-05-12 1990-05-12 Aktives geraeuschminderungssystem fuer den innenraum von kraftfahrzeugen
DE59106641T Expired - Fee Related DE59106641D1 (de) 1990-05-12 1991-05-08 Aktives Geräuschminderungssystem für den Innenraum von Kraftfahrzeugen.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE4015313A Granted DE4015313A1 (de) 1990-05-12 1990-05-12 Aktives geraeuschminderungssystem fuer den innenraum von kraftfahrzeugen

Country Status (2)

Country Link
EP (1) EP0457176B1 (de)
DE (2) DE4015313A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4236155C2 (de) * 1992-10-20 1996-02-08 Gsp Sprachtechnologie Ges Fuer Verfahren und Anordnung zur aktiven Innengeräuschreduzierung bei Fahrzeugen
US5754662A (en) * 1994-11-30 1998-05-19 Lord Corporation Frequency-focused actuators for active vibrational energy control systems
FR2766953B1 (fr) * 1997-07-29 1999-10-01 Renault Dispositif de controle acoustique dans un volume
US7062049B1 (en) * 1999-03-09 2006-06-13 Honda Giken Kogyo Kabushiki Kaisha Active noise control system
DE19946083A1 (de) * 1999-09-25 2001-03-29 Volkswagen Ag Einrichtung zur aktiven Verringerung des Geräuschpegels
DE102004019788A1 (de) * 2004-04-23 2005-11-24 Airbus Deutschland Gmbh Aktive Geräuschminderung im Bereich eines Passagiersitzes
DE102006016808A1 (de) * 2006-04-10 2007-10-11 Robert Bosch Gmbh Luftschallwiedergabeanordnung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5986992A (ja) * 1982-11-10 1984-05-19 Matsushita Electric Ind Co Ltd 車載用音響再生装置
DE3411494A1 (de) * 1984-03-28 1985-10-03 Axel 6000 Frankfurt Klopprogge Verfahren zur unterdrueckung von schall sowie schaltungsanordnung und schallschutzvorrichtung zur durchfuehrung des verfahrens
JP2514141Y2 (ja) * 1984-05-31 1996-10-16 パイオニア株式会社 車載用音場補正装置
DE3816921A1 (de) * 1988-05-18 1989-11-30 Bayerische Motoren Werke Ag Anordnung zur verminderung des geraeuschpegels im innenraum eines kraftfahrzeugs
US4977600A (en) * 1988-06-07 1990-12-11 Noise Cancellation Technologies, Inc. Sound attenuation system for personal seat
GB8820922D0 (en) * 1988-09-06 1988-10-05 Topexpress Ltd Noise reduction in vehicles cabins

Also Published As

Publication number Publication date
DE4015313C2 (de) 1993-02-25
EP0457176A3 (en) 1992-09-02
EP0457176A2 (de) 1991-11-21
EP0457176B1 (de) 1995-10-11
DE4015313A1 (de) 1991-11-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee