DE3025391A1 - Verfahren und vorrichtung zur unterdrueckung von akustischen schwingungen - Google Patents

Verfahren und vorrichtung zur unterdrueckung von akustischen schwingungen

Info

Publication number
DE3025391A1
DE3025391A1 DE19803025391 DE3025391A DE3025391A1 DE 3025391 A1 DE3025391 A1 DE 3025391A1 DE 19803025391 DE19803025391 DE 19803025391 DE 3025391 A DE3025391 A DE 3025391A DE 3025391 A1 DE3025391 A1 DE 3025391A1
Authority
DE
Germany
Prior art keywords
vibration
vibrations
suppression
compensation
target value
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.)
Granted
Application number
DE19803025391
Other languages
German (de)
English (en)
Other versions
DE3025391C2 (enrdf_load_stackoverflow
Inventor
Karl Dipl.-Phys. Dr. 6000 Frankfurt 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 true DE3025391A1 (de) 1982-01-28
DE3025391C2 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 (4)

* 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
FR2632473A1 (fr) * 1988-06-01 1989-12-08 Saint Louis Inst Dispositifs d'attenuation active de vibrations, notamment de bruit, disposes en serie
US5040156A (en) * 1989-06-29 1991-08-13 Battelle-Institut E.V. Acoustic sensor device with noise suppression
EP0643880A4 (en) * 1992-06-05 1996-02-21 Noise Cancellation Tech ACTIVE / PASSIVE HEADPHONES WITH VOICE FILTER.

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH083395B2 (ja) * 1988-09-30 1996-01-17 株式会社東芝 冷却装置の消音装置
DE3834853C2 (de) * 1988-10-13 1999-12-02 Bayerische Motoren Werke Ag Anordnung zur Verminderung des Geräuschpegels im Innenraum eines Kraftfahrzeugs
DE4315000A1 (de) * 1993-05-06 1994-11-10 Opel Adam Ag Geräuschkompensierte Freisprechanlage in Kraftfahrzeugen
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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2721754A1 (de) * 1976-05-13 1977-11-24 Sound Attenuators Ltd Verfahren und vorrichtung zur verringerung des pegels von stoergeraeuschen
DE2712534A1 (de) * 1977-03-22 1978-09-28 Sound Attenuators Ltd Verfahren und vorrichtung zur aktiven schalldaempfung

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2721754A1 (de) * 1976-05-13 1977-11-24 Sound Attenuators Ltd Verfahren und vorrichtung zur verringerung des pegels von stoergeraeuschen
DE2712534A1 (de) * 1977-03-22 1978-09-28 Sound Attenuators Ltd Verfahren und vorrichtung zur aktiven schalldaempfung

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2632473A1 (fr) * 1988-06-01 1989-12-08 Saint Louis Inst Dispositifs d'attenuation active de vibrations, notamment de bruit, disposes en serie
US5040156A (en) * 1989-06-29 1991-08-13 Battelle-Institut E.V. Acoustic sensor device with noise suppression
DE8910815U1 (de) * 1989-09-11 1989-11-23 Kind, Werner, 3006 Burgwedel Gehörschutzvorrichtung
EP0643880A4 (en) * 1992-06-05 1996-02-21 Noise Cancellation Tech ACTIVE / PASSIVE HEADPHONES WITH VOICE FILTER.

Also Published As

Publication number Publication date
DE3025391C2 (enrdf_load_stackoverflow) 1987-12-10

Similar Documents

Publication Publication Date Title
DE69617449T2 (de) Verfahren und vorrichtung für aktive hybride schwingungsdämpfung, insbesondere von mechanischen, schall- und dergleichen schwingungen
DE69420140T2 (de) Reduzierte ueberlastungsempfindlichkeit bei sehr niedrigen frequenzen fuer laermunterdrueckungskopfhoerer
DE69128519T2 (de) Aktives Dämpfungssystem mit einer vorgegebenen akustischen Ausgangswelle
DE102007013719B4 (de) Hörer
DE69827731T2 (de) Anordnung zur aktiven Unterdrückung von akustischem Echo und Geräusch
DE102004026660B4 (de) Aktives Geräuschsteuersystem
DE60018084T2 (de) Audiosignalverarbeitung
DE69608963T2 (de) Personales verfahren und anordnung für aktive schalldämpfung mit invarianter impulsantwort
DE69328851T2 (de) Aktive Regelungsvorrichtung mit einem adaptiven Digitalfilter
DE3650683T2 (de) Hybrider aktiver Schalldämpfer
DE69327885T2 (de) Lärm-Kontroll-Gerät
DE3908881A1 (de) Elektronisches stoerschalldaempfungssystem
EP1872360A1 (de) Verfahren zur nachbildung eines secondary-path bei einem aktiven geräuschreduktionssystem
DE69410607T2 (de) Gerät und verfahren zur lokalisierung von lecken in leitungsnetzen
CH684043A5 (de) Vorrichtung zur Verbesserung der Basswiedergabe bei Lautsprechersystemen mit geschlossenen Gehäusen.
DE69702345T2 (de) Nichtlineare filter mit reduzierter phase zur aktiven geräuschverminderung
DE3025391A1 (de) Verfahren und vorrichtung zur unterdrueckung von akustischen schwingungen
DE3921307C2 (enrdf_load_stackoverflow)
DE2446982A1 (de) Verfahren fuer den betrieb von lautsprecheranlagen
DE102006023735A1 (de) Messbox für eine Hörvorrichtung und entsprechendes Messverfahren
DE3875717T2 (de) Anordnungen zur stoerschall-verminderung.
DE4445877A1 (de) Verfahren und Anordnung zur Echokompensation
DE3342928A1 (de) Aktive akustische daempfungseinrichtung
DE3688624T2 (de) Anordnungen zur Begrenzung von Störungen.
DE102005037034A1 (de) Energiedichtes Steuersystem mit Verwendung eines zweidimensionalen Energiedichtesensors

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