ATE186149T1 - Mehrkanalige aktive schalldämpfungsanordnung - Google Patents
Mehrkanalige aktive schalldämpfungsanordnungInfo
- Publication number
- ATE186149T1 ATE186149T1 AT92303334T AT92303334T ATE186149T1 AT E186149 T1 ATE186149 T1 AT E186149T1 AT 92303334 T AT92303334 T AT 92303334T AT 92303334 T AT92303334 T AT 92303334T AT E186149 T1 ATE186149 T1 AT E186149T1
- Authority
- AT
- Austria
- Prior art keywords
- channel
- model
- sound attenuation
- channel active
- input
- Prior art date
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
- G10K11/17853—Methods, e.g. algorithms; Devices of the filter
- G10K11/17854—Methods, e.g. algorithms; Devices of the filter the filter being an adaptive filter
-
- 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
- G10K11/17881—General system configurations using both a reference signal and an error signal the reference signal being an acoustic signal, e.g. recorded with a microphone
-
- 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
- G10K2210/30—Means
- G10K2210/301—Computational
- G10K2210/3019—Cross-terms between multiple in's and out's
-
- 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
- G10K2210/301—Computational
- G10K2210/3049—Random noise used, e.g. in model identification
-
- 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
- G10K2210/3214—Architectures, e.g. special constructional features or arrangements of features
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Filters That Use Time-Delay Elements (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Circuit For Audible Band Transducer (AREA)
- Exhaust Silencers (AREA)
- Noise Elimination (AREA)
- Feedback Control In General (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/691,557 US5216721A (en) | 1991-04-25 | 1991-04-25 | Multi-channel active acoustic attenuation system |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE186149T1 true ATE186149T1 (de) | 1999-11-15 |
Family
ID=24777015
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT92303334T ATE186149T1 (de) | 1991-04-25 | 1992-04-14 | Mehrkanalige aktive schalldämpfungsanordnung |
Country Status (7)
Country | Link |
---|---|
US (1) | US5216721A (de) |
EP (1) | EP0510864B1 (de) |
JP (1) | JPH05134686A (de) |
AT (1) | ATE186149T1 (de) |
AU (1) | AU647706B2 (de) |
CA (1) | CA2065913C (de) |
DE (1) | DE69230192T2 (de) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5224168A (en) * | 1991-05-08 | 1993-06-29 | Sri International | Method and apparatus for the active reduction of compression waves |
US5216722A (en) * | 1991-11-15 | 1993-06-01 | Nelson Industries, Inc. | Multi-channel active attenuation system with error signal inputs |
FI94564C (fi) * | 1992-02-14 | 1995-09-25 | Nokia Deutschland Gmbh | Aktiivinen melunvaimennusjärjestelmä |
FR2699205B1 (fr) * | 1992-12-11 | 1995-03-10 | Decaux Jean Claude | Perfectionnements aux procédés et dispositifs pour protéger des bruits extérieurs un volume donné, de préférence disposé à l'intérieur d'un local. |
US5526421A (en) * | 1993-02-16 | 1996-06-11 | Berger; Douglas L. | Voice transmission systems with voice cancellation |
WO1994024662A1 (en) * | 1993-04-21 | 1994-10-27 | Sri International | Method of calculating filter weights for compression wave cancellation systems |
US5416845A (en) * | 1993-04-27 | 1995-05-16 | Noise Cancellation Technologies, Inc. | Single and multiple channel block adaptive methods and apparatus for active sound and vibration control |
US5420932A (en) * | 1993-08-23 | 1995-05-30 | Digisonix, Inc. | Active acoustic attenuation system that decouples wave modes propagating in a waveguide |
US5440642A (en) * | 1993-09-20 | 1995-08-08 | Denenberg; Jeffrey N. | Analog noise cancellation system using digital optimizing of variable parameters |
US5586189A (en) * | 1993-12-14 | 1996-12-17 | Digisonix, Inc. | Active adaptive control system with spectral leak |
CA2148962C (en) * | 1994-05-23 | 2000-03-28 | Douglas G. Pedersen | Coherence optimized active adaptive control system |
US5557682A (en) * | 1994-07-12 | 1996-09-17 | Digisonix | Multi-filter-set active adaptive control system |
US5590205A (en) * | 1994-08-25 | 1996-12-31 | Digisonix, Inc. | Adaptive control system with a corrected-phase filtered error update |
US5745580A (en) * | 1994-11-04 | 1998-04-28 | Lord Corporation | Reduction of computational burden of adaptively updating control filter(s) in active systems |
US5570425A (en) * | 1994-11-07 | 1996-10-29 | Digisonix, Inc. | Transducer daisy chain |
US5561598A (en) * | 1994-11-16 | 1996-10-01 | Digisonix, Inc. | Adaptive control system with selectively constrained ouput and adaptation |
US5602928A (en) * | 1995-01-05 | 1997-02-11 | Digisonix, Inc. | Multi-channel communication system |
CA2226215A1 (en) * | 1995-07-05 | 1997-01-23 | Catherine Guigou | Method and apparatus for active noise control of high order modes in ducts |
US5715320A (en) * | 1995-08-21 | 1998-02-03 | Digisonix, Inc. | Active adaptive selective control system |
US5699437A (en) * | 1995-08-29 | 1997-12-16 | United Technologies Corporation | Active noise control system using phased-array sensors |
US5710822A (en) | 1995-11-07 | 1998-01-20 | Digisonix, Inc. | Frequency selective active adaptive control system |
US5706344A (en) * | 1996-03-29 | 1998-01-06 | Digisonix, Inc. | Acoustic echo cancellation in an integrated audio and telecommunication system |
US5816122A (en) * | 1996-04-30 | 1998-10-06 | General Dynamics Advanced Technology Systems, Inc. | Apparatus and method for adaptive suppression of vibrations in mechanical systems |
CA2179794A1 (en) * | 1996-06-24 | 1997-12-25 | Radamis Botros | Invisible acoustic screen for open-plan offices and the like |
US5930371A (en) * | 1997-01-07 | 1999-07-27 | Nelson Industries, Inc. | Tunable acoustic system |
US6295363B1 (en) | 1997-03-20 | 2001-09-25 | Digisonix, Inc. | Adaptive passive acoustic attenuation system |
US5978489A (en) * | 1997-05-05 | 1999-11-02 | Oregon Graduate Institute Of Science And Technology | Multi-actuator system for active sound and vibration cancellation |
ATE248497T1 (de) * | 1999-12-09 | 2003-09-15 | Frederick Johannes Bruwer | Sprachsverteilungssystem |
US20080031472A1 (en) * | 2006-08-04 | 2008-02-07 | Freeman Eric J | Electroacoustical transducing |
WO2010127276A1 (en) * | 2009-05-01 | 2010-11-04 | Bose Corporation | Multi-element electroacoustical transducing |
US8553898B2 (en) * | 2009-11-30 | 2013-10-08 | Emmet Raftery | Method and system for reducing acoustical reverberations in an at least partially enclosed space |
JP6821865B2 (ja) * | 2018-09-27 | 2021-01-27 | Hoya株式会社 | マスクブランク、転写用マスクおよび半導体デバイスの製造方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4677677A (en) * | 1985-09-19 | 1987-06-30 | Nelson Industries Inc. | Active sound attenuation system with on-line adaptive feedback cancellation |
US4677676A (en) * | 1986-02-11 | 1987-06-30 | Nelson Industries, Inc. | Active attenuation system with on-line modeling of speaker, error path and feedback pack |
US4736431A (en) * | 1986-10-23 | 1988-04-05 | Nelson Industries, Inc. | Active attenuation system with increased dynamic range |
DE3675947D1 (de) * | 1986-11-13 | 1991-01-10 | Unicor Rohrsysteme Gmbh | Vorrichtung zum fortlaufenden erzeugen von rohren mit querprofilierter wandung. |
US4805733A (en) * | 1987-07-07 | 1989-02-21 | Nippondenso Co., Ltd. | Active silencer |
US4815139A (en) * | 1988-03-16 | 1989-03-21 | Nelson Industries, Inc. | Active acoustic attenuation system for higher order mode non-uniform sound field in a duct |
US4837834A (en) * | 1988-05-04 | 1989-06-06 | Nelson Industries, Inc. | Active acoustic attenuation system with differential filtering |
US5033082A (en) * | 1989-07-31 | 1991-07-16 | Nelson Industries, Inc. | Communication system with active noise cancellation |
US5105377A (en) * | 1990-02-09 | 1992-04-14 | Noise Cancellation Technologies, Inc. | Digital virtual earth active cancellation system |
US5031132A (en) * | 1990-02-27 | 1991-07-09 | Analogic Corporation | Circuit for convolving a set of digital data |
US4987598A (en) * | 1990-05-03 | 1991-01-22 | Nelson Industries | Active acoustic attenuation system with overall modeling |
US5237618A (en) * | 1990-05-11 | 1993-08-17 | General Electric Company | Electronic compensation system for elimination or reduction of inter-channel interference in noise cancellation systems |
-
1991
- 1991-04-25 US US07/691,557 patent/US5216721A/en not_active Expired - Lifetime
-
1992
- 1992-04-13 CA CA002065913A patent/CA2065913C/en not_active Expired - Fee Related
- 1992-04-14 AT AT92303334T patent/ATE186149T1/de not_active IP Right Cessation
- 1992-04-14 DE DE69230192T patent/DE69230192T2/de not_active Expired - Lifetime
- 1992-04-14 AU AU14894/92A patent/AU647706B2/en not_active Ceased
- 1992-04-14 EP EP92303334A patent/EP0510864B1/de not_active Expired - Lifetime
- 1992-04-24 JP JP4106645A patent/JPH05134686A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPH05134686A (ja) | 1993-05-28 |
DE69230192D1 (de) | 1999-12-02 |
EP0510864B1 (de) | 1999-10-27 |
AU1489492A (en) | 1992-10-29 |
CA2065913C (en) | 1997-01-21 |
EP0510864A3 (en) | 1993-12-22 |
DE69230192T2 (de) | 2000-06-15 |
CA2065913A1 (en) | 1992-10-26 |
EP0510864A2 (de) | 1992-10-28 |
US5216721A (en) | 1993-06-01 |
AU647706B2 (en) | 1994-03-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |