DE4305217A1 - Noise reduction system for interior of motor vehicle - has acoustic generators and processor control to dampen noise by phase controlled noise generation linked to actual noise - Google Patents

Noise reduction system for interior of motor vehicle - has acoustic generators and processor control to dampen noise by phase controlled noise generation linked to actual noise

Info

Publication number
DE4305217A1
DE4305217A1 DE4305217A DE4305217A DE4305217A1 DE 4305217 A1 DE4305217 A1 DE 4305217A1 DE 4305217 A DE4305217 A DE 4305217A DE 4305217 A DE4305217 A DE 4305217A DE 4305217 A1 DE4305217 A1 DE 4305217A1
Authority
DE
Germany
Prior art keywords
acoustic
vibration
noise
noise control
vibration source
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.)
Withdrawn
Application number
DE4305217A
Other languages
German (de)
English (en)
Inventor
Hiroshi Uchida
Norihiko Nakao
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.)
Mazda Motor Corp
Original Assignee
Mazda Motor Corp
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 Mazda Motor Corp filed Critical Mazda Motor Corp
Publication of DE4305217A1 publication Critical patent/DE4305217A1/de
Withdrawn legal-status Critical Current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
    • G10K11/1785—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
    • G10K11/1785—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
    • 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
    • G10K2210/128—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
    • G10K2210/30—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
    • G10K2210/321—Physical
    • G10K2210/3221—Headrests, seats or the like, for personal ANC systems

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
DE4305217A 1992-02-19 1993-02-19 Noise reduction system for interior of motor vehicle - has acoustic generators and processor control to dampen noise by phase controlled noise generation linked to actual noise Withdrawn DE4305217A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4032217A JPH05232969A (ja) 1992-02-19 1992-02-19 車両用振動制御装置

Publications (1)

Publication Number Publication Date
DE4305217A1 true DE4305217A1 (en) 1993-08-26

Family

ID=12352764

Family Applications (1)

Application Number Title Priority Date Filing Date
DE4305217A Withdrawn DE4305217A1 (en) 1992-02-19 1993-02-19 Noise reduction system for interior of motor vehicle - has acoustic generators and processor control to dampen noise by phase controlled noise generation linked to actual noise

Country Status (2)

Country Link
JP (1) JPH05232969A (ja)
DE (1) DE4305217A1 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4334943A1 (de) * 1993-10-13 1995-04-20 Bayerische Motoren Werke Ag Vorrichtung zur aktiven akustischen Schallkompensation von tonalem Störschall
DE4334942A1 (de) * 1993-10-13 1995-04-20 Bayerische Motoren Werke Ag Vorrichtung zur aktiven akustischen Schallkompensation in Hohlräumen eines Kraftfahrzeuges
DE19720433A1 (de) * 1996-05-16 1997-11-20 Nissan Motor Verfahren und Vorrichtung zum aktiven Dämpfen von Schwingungen und/oder Geräuschen
EP3401902A1 (en) 2017-05-10 2018-11-14 FCA Italy S.p.A. Improvement of the acoustic comfort in the passenger compartment of a motor vehicle

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4334943A1 (de) * 1993-10-13 1995-04-20 Bayerische Motoren Werke Ag Vorrichtung zur aktiven akustischen Schallkompensation von tonalem Störschall
DE4334942A1 (de) * 1993-10-13 1995-04-20 Bayerische Motoren Werke Ag Vorrichtung zur aktiven akustischen Schallkompensation in Hohlräumen eines Kraftfahrzeuges
DE4334943C2 (de) * 1993-10-13 2001-06-07 Bayerische Motoren Werke Ag Vorrichtung zur aktiven akustischen Schallkompensation von tonalem Störschall
DE19720433A1 (de) * 1996-05-16 1997-11-20 Nissan Motor Verfahren und Vorrichtung zum aktiven Dämpfen von Schwingungen und/oder Geräuschen
US5910993A (en) * 1996-05-16 1999-06-08 Nissan Motor Co., Ltd. Apparatus and method for actively reducing vibration and/or noise
EP3401902A1 (en) 2017-05-10 2018-11-14 FCA Italy S.p.A. Improvement of the acoustic comfort in the passenger compartment of a motor vehicle

Also Published As

Publication number Publication date
JPH05232969A (ja) 1993-09-10

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee