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
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)
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 (fr) | 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 (fr) |
Cited By (7)
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)
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 |
CA2136951A1 (fr) * | 1992-06-05 | 1993-12-23 | John Hohman | Casque actif-passif a filtre vocal |
Family Cites Families (2)
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 |
-
1980
- 1980-07-04 DE DE19803025391 patent/DE3025391A1/de active Granted
Cited By (9)
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 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69827731T2 (de) | Anordnung zur aktiven Unterdrückung von akustischem Echo und Geräusch | |
DE3144052C2 (fr) | ||
DE68907265T2 (de) | Aktive akustische Dämpfungsanordnung mit Differenzfilterung. | |
DE3344910C2 (de) | Anordnung zum aktiven Dämpfen von Schallwellen | |
DE102007013719B4 (de) | Hörer | |
DE3908881C2 (de) | Aktives Geräuschdämpfungssystem mit Digitalfiltern | |
DE2635453A1 (de) | Geraeuschunterdrueckungsgeraet | |
DE102020109138A1 (de) | In-ear kopfhörervorrichtung mit aktiver lärmkompensation | |
EP1858003B1 (fr) | Boîte de mesure pour un dispositif auditif et procédé de mesure correspondant | |
DE3921307C2 (fr) | ||
DE3025391C2 (fr) | ||
DE2446982A1 (de) | Verfahren fuer den betrieb von lautsprecheranlagen | |
DE3342928A1 (de) | Aktive akustische daempfungseinrichtung | |
DE3875717T2 (de) | Anordnungen zur stoerschall-verminderung. | |
EP0898774A1 (fr) | Amortisseur de bruit reactif | |
EP1406469B1 (fr) | Compensateur de la rétroaction dans les systèmes d'amplification acoustique, prothèse auditive, procédé pour la compensation de la rétroaction et utilisation de ce procédé dans les prothèses auditives | |
DE102019123971B4 (de) | Aktives lärmkompensationssystem und verfahren | |
DE102008049932A1 (de) | Bauteil für Kopfhörer mit Geräuschunterdrückung | |
DE3916031A1 (de) | Aktive daempfungsvorrichtung fuer schwingungen, insbesondere in form von laerm, ohne akustische verzoegerung | |
DE2527642A1 (de) | Verfahren und einrichtung zur daempfung von longitudinaldruckwellen in gasleitungen | |
DE2507428A1 (de) | Verfahren und vorrichtung zur unterdrueckung oder abschwaechung der schallfortpflanzung | |
DE19832517C2 (de) | Verfahren zur aktiven Schalldämpfung und Schalldämpfer dafür | |
DE102007012611A1 (de) | Vorrichtung und Verfahren zur aktiven Schalldämpfung in einem geschlossenen Innenraum | |
DE102016001593A1 (de) | Verfahren zum Erzeugen eines Gegenschalls für eine Geräuschminderung in einem Kraftfahrzeug | |
DE3411494A1 (de) | Verfahren zur unterdrueckung von schall sowie schaltungsanordnung und schallschutzvorrichtung zur durchfuehrung des verfahrens |
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 |