DE3025391C2 - - Google Patents

Info

Publication number
DE3025391C2
DE3025391C2 DE3025391A DE3025391A DE3025391C2 DE 3025391 C2 DE3025391 C2 DE 3025391C2 DE 3025391 A DE3025391 A DE 3025391A DE 3025391 A DE3025391 A DE 3025391A DE 3025391 C2 DE3025391 C2 DE 3025391C2
Authority
DE
Germany
Prior art keywords
vibration
compensation
branch
setpoint
vibrations
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
Application number
DE3025391A
Other languages
German (de)
English (en)
Other versions
DE3025391A1 (de
Inventor
Karl Dipl.-Phys. Dr. 6000 Frankfurt De Beuter
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.)
Sennheiser Electronic GmbH and Co KG
Original Assignee
Battelle Institut eV
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 Battelle Institut eV filed Critical Battelle Institut eV
Priority to DE19803025391 priority Critical patent/DE3025391A1/de
Publication of DE3025391A1 publication Critical patent/DE3025391A1/de
Application granted granted Critical
Publication of DE3025391C2 publication Critical patent/DE3025391C2/de
Granted 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
    • G10K11/1787—General system configurations
    • G10K11/17875—General system configurations using an error signal without a reference signal, e.g. pure feedback
    • 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
    • G10K11/17861—Methods, e.g. algorithms; Devices using additional means for damping sound, e.g. using sound absorbing panels
    • 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
    • G10K2210/101—One 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
    • G10K2210/108—Communication systems, e.g. where useful sound is kept and noise is cancelled
    • G10K2210/1081—Earphones, e.g. for telephones, ear protectors or headsets
    • 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
    • G10K2210/112—Ducts
    • 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
    • G10K2210/321—Physical
    • G10K2210/3224—Passive absorbers
    • 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
    • G10K2210/503—Diagnostics; Stability; Alarms; Failsafe

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
DE19803025391 1980-07-04 1980-07-04 Verfahren und vorrichtung zur unterdrueckung von akustischen schwingungen Granted DE3025391A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19803025391 DE3025391A1 (de) 1980-07-04 1980-07-04 Verfahren und vorrichtung zur unterdrueckung von akustischen schwingungen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803025391 DE3025391A1 (de) 1980-07-04 1980-07-04 Verfahren und vorrichtung zur unterdrueckung von akustischen schwingungen

Publications (2)

Publication Number Publication Date
DE3025391A1 DE3025391A1 (de) 1982-01-28
DE3025391C2 true DE3025391C2 (enrdf_load_stackoverflow) 1987-12-10

Family

ID=6106436

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19803025391 Granted DE3025391A1 (de) 1980-07-04 1980-07-04 Verfahren und vorrichtung zur unterdrueckung von akustischen schwingungen

Country Status (1)

Country Link
DE (1) DE3025391A1 (enrdf_load_stackoverflow)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8910815U1 (de) * 1989-09-11 1989-11-23 Kind, Werner, 3006 Burgwedel Gehörschutzvorrichtung
DE3932243A1 (de) * 1988-09-30 1990-04-05 Toshiba Kawasaki Kk Schalldaempferanordnung und damit ausgestatteter kuehlschrank
DE3834853A1 (de) * 1988-10-13 1990-04-26 Bayerische Motoren Werke Ag Anordnung zur verminderung des geraeuschpegels im innenraum eines kraftfahrzeugs
DE3921307A1 (de) * 1989-06-29 1991-01-10 Battelle Institut E V Akustische sensoreinrichtung mit stoerschallunterdrueckung
DE4315000A1 (de) * 1993-05-06 1994-11-10 Opel Adam Ag Geräuschkompensierte Freisprechanlage in Kraftfahrzeugen
DE19918455A1 (de) * 1999-04-23 2000-11-02 Bayerische Motoren Werke Ag Verfahren zur aktiven Geräuschreduzierung bei hydraulischen Aggregaten
DE202011052130U1 (de) * 2011-11-28 2012-12-05 Sato Schneidsysteme Anton Hubert E.K. Plasmabrenner

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2632473B1 (fr) * 1988-06-01 1990-09-07 Saint Louis Inst Dispositifs d'attenuation active de vibrations, notamment de bruit, disposes en serie
EP0643880A4 (en) * 1992-06-05 1996-02-21 Noise Cancellation Tech ACTIVE / PASSIVE HEADPHONES WITH VOICE FILTER.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1577322A (en) * 1976-05-13 1980-10-22 Bearcroft R Active attenuation of recurring vibrations
DE2712534C2 (de) * 1977-03-22 1986-03-06 Sound Attenuators Ltd., Colchester, Essex Verfahren und Vorrichtung zur Schalldämpfung

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3932243A1 (de) * 1988-09-30 1990-04-05 Toshiba Kawasaki Kk Schalldaempferanordnung und damit ausgestatteter kuehlschrank
DE3834853A1 (de) * 1988-10-13 1990-04-26 Bayerische Motoren Werke Ag Anordnung zur verminderung des geraeuschpegels im innenraum eines kraftfahrzeugs
DE3834853C2 (de) * 1988-10-13 1999-12-02 Bayerische Motoren Werke Ag Anordnung zur Verminderung des Geräuschpegels im Innenraum eines Kraftfahrzeugs
DE3921307A1 (de) * 1989-06-29 1991-01-10 Battelle Institut E V Akustische sensoreinrichtung mit stoerschallunterdrueckung
DE8910815U1 (de) * 1989-09-11 1989-11-23 Kind, Werner, 3006 Burgwedel Gehörschutzvorrichtung
DE4315000A1 (de) * 1993-05-06 1994-11-10 Opel Adam Ag Geräuschkompensierte Freisprechanlage in Kraftfahrzeugen
DE19918455A1 (de) * 1999-04-23 2000-11-02 Bayerische Motoren Werke Ag Verfahren zur aktiven Geräuschreduzierung bei hydraulischen Aggregaten
DE19918455B4 (de) * 1999-04-23 2006-12-07 Bayerische Motoren Werke Ag Verfahren zur aktiven Geräuschreduzierung bei hydraulischen Aggregaten
DE202011052130U1 (de) * 2011-11-28 2012-12-05 Sato Schneidsysteme Anton Hubert E.K. Plasmabrenner

Also Published As

Publication number Publication date
DE3025391A1 (de) 1982-01-28

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8327 Change in the person/name/address of the patent owner

Owner name: SENNHEISER ELECTRONIC KG, 30900 WEDEMARK, DE

8327 Change in the person/name/address of the patent owner

Owner name: SENNHEISER ELECTRONIC GMBH & CO. KG, 30900 WEDEMAR