ATE161648T1 - Aktives dämpfungssystem mit einer vorgegebenen akustischen ausgangswelle - Google Patents
Aktives dämpfungssystem mit einer vorgegebenen akustischen ausgangswelleInfo
- Publication number
- ATE161648T1 ATE161648T1 AT91309985T AT91309985T ATE161648T1 AT E161648 T1 ATE161648 T1 AT E161648T1 AT 91309985 T AT91309985 T AT 91309985T AT 91309985 T AT91309985 T AT 91309985T AT E161648 T1 ATE161648 T1 AT E161648T1
- Authority
- AT
- Austria
- Prior art keywords
- acoustic wave
- prefined
- acoustic output
- damping system
- signal
- 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
- G10K11/1787—General system configurations
- G10K11/17885—General system configurations additionally using a desired external signal, e.g. pass-through audio such as music or speech
-
- 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
- G10K11/17813—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 acoustic paths, e.g. estimating, calibrating or testing of transfer functions or cross-terms
- G10K11/17817—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 acoustic paths, e.g. estimating, calibrating or testing of transfer functions or cross-terms between the output signals and the error signals, i.e. secondary path
-
- 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
- G10K2210/112—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
- G10K2210/3012—Algorithms
-
- 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
- G10K2210/3017—Copy, i.e. whereby an estimated transfer function in one functional block is copied to another block
-
- 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
- G10K2210/3044—Phase shift, e.g. complex envelope processing
-
- 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
- G10K2210/301—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
- G10K2210/50—Miscellaneous
- G10K2210/51—Improving tonal quality, e.g. mimicking sports cars
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Radar Systems Or Details Thereof (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Filters That Use Time-Delay Elements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/613,102 US5172416A (en) | 1990-11-14 | 1990-11-14 | Active attenuation system with specified output acoustic wave |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE161648T1 true ATE161648T1 (de) | 1998-01-15 |
Family
ID=24455864
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT91309985T ATE161648T1 (de) | 1990-11-14 | 1991-10-29 | Aktives dämpfungssystem mit einer vorgegebenen akustischen ausgangswelle |
Country Status (7)
Country | Link |
---|---|
US (1) | US5172416A (de) |
EP (1) | EP0486180B1 (de) |
JP (1) | JPH04267298A (de) |
AT (1) | ATE161648T1 (de) |
AU (1) | AU643923B2 (de) |
CA (1) | CA2055108C (de) |
DE (1) | DE69128519T2 (de) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5396561A (en) * | 1990-11-14 | 1995-03-07 | Nelson Industries, Inc. | Active acoustic attenuation and spectral shaping system |
US5559891A (en) * | 1992-02-13 | 1996-09-24 | Nokia Technology Gmbh | Device to be used for changing the acoustic properties of a room |
US5337366A (en) * | 1992-07-07 | 1994-08-09 | Sharp Kabushiki Kaisha | Active control apparatus using adaptive digital filter |
WO1994001810A1 (en) * | 1992-07-14 | 1994-01-20 | Noise Cancellation Technologies, Inc. | Low cost controller |
GB2274757A (en) * | 1993-01-28 | 1994-08-03 | Secr Defence | Ear defenders employing active noise control |
US5553153A (en) * | 1993-02-10 | 1996-09-03 | Noise Cancellation Technologies, Inc. | Method and system for on-line system identification |
US5386477A (en) * | 1993-02-11 | 1995-01-31 | Digisonix, Inc. | Active acoustic control system matching model reference |
JPH06332470A (ja) * | 1993-05-21 | 1994-12-02 | Fuji Heavy Ind Ltd | 車室内騒音低減装置 |
AU7355594A (en) * | 1993-06-23 | 1995-01-17 | Noise Cancellation Technologies, Inc. | Variable gain active noise cancellation system with improved residual noise sensing |
US7103188B1 (en) * | 1993-06-23 | 2006-09-05 | Owen Jones | Variable gain active noise cancelling system with improved residual noise sensing |
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 |
US6201872B1 (en) | 1995-03-12 | 2001-03-13 | Hersh Acoustical Engineering, Inc. | Active control source cancellation and active control Helmholtz resonator absorption of axial fan rotor-stator interaction noise |
US5715320A (en) * | 1995-08-21 | 1998-02-03 | Digisonix, Inc. | Active adaptive selective control system |
US5710822A (en) | 1995-11-07 | 1998-01-20 | Digisonix, Inc. | Frequency selective active adaptive control system |
US6295364B1 (en) | 1998-03-30 | 2001-09-25 | Digisonix, Llc | Simplified communication system |
US5968371A (en) * | 1998-01-26 | 1999-10-19 | Nelson Industries, Inc. | Lubricant circulation diagnostic and modeling system |
WO2001033545A1 (en) * | 1999-10-29 | 2001-05-10 | Siemens Canada Limited | Active noise cancellation system with integrated horn function |
US6912286B1 (en) | 1999-11-01 | 2005-06-28 | Siemens Vdo Automotive Inc. | Active noise cancellation system with integrated horn function |
US6665411B2 (en) | 2001-02-21 | 2003-12-16 | Digisonix Llc | DVE system with instability detection |
US6594368B2 (en) | 2001-02-21 | 2003-07-15 | Digisonix, Llc | DVE system with dynamic range processing |
US6549629B2 (en) | 2001-02-21 | 2003-04-15 | Digisonix Llc | DVE system with normalized selection |
GB2389990B (en) | 2002-06-18 | 2005-06-08 | Siemens Vdo Automotive Inc | Active noise control system with horn sound feature |
US20070155332A1 (en) * | 2005-12-30 | 2007-07-05 | Burgan John M | Method and mobile communication device for characterizing an audio accessory for use with the mobile communication device |
PL216396B1 (pl) * | 2008-03-06 | 2014-03-31 | Politechnika Gdańska | Sposób i układ tłumienia echa akustycznego w terminalu VoIP |
US8165313B2 (en) * | 2009-04-28 | 2012-04-24 | Bose Corporation | ANR settings triple-buffering |
US8073151B2 (en) * | 2009-04-28 | 2011-12-06 | Bose Corporation | Dynamically configurable ANR filter block topology |
US8073150B2 (en) * | 2009-04-28 | 2011-12-06 | Bose Corporation | Dynamically configurable ANR signal processing topology |
US8090114B2 (en) | 2009-04-28 | 2012-01-03 | Bose Corporation | Convertible filter |
US8184822B2 (en) * | 2009-04-28 | 2012-05-22 | Bose Corporation | ANR signal processing topology |
US9672803B2 (en) | 2014-09-19 | 2017-06-06 | GM Global Technology Operations LLC | Adaptive active noise cancellation |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ZA824145B (en) * | 1981-06-12 | 1983-04-27 | Sound Attenuators Ltd | Method and apparatus for reducing repetitive noise entering the ear |
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 |
GB8717043D0 (en) * | 1987-07-20 | 1987-08-26 | Plessey Co Plc | Noise reduction systems |
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 |
-
1990
- 1990-11-14 US US07/613,102 patent/US5172416A/en not_active Expired - Lifetime
-
1991
- 1991-10-29 DE DE69128519T patent/DE69128519T2/de not_active Expired - Lifetime
- 1991-10-29 AT AT91309985T patent/ATE161648T1/de not_active IP Right Cessation
- 1991-10-29 EP EP91309985A patent/EP0486180B1/de not_active Expired - Lifetime
- 1991-10-30 AU AU86919/91A patent/AU643923B2/en not_active Ceased
- 1991-11-07 CA CA002055108A patent/CA2055108C/en not_active Expired - Fee Related
- 1991-11-08 JP JP3292952A patent/JPH04267298A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE69128519T2 (de) | 1998-07-30 |
DE69128519D1 (de) | 1998-02-05 |
EP0486180B1 (de) | 1997-12-29 |
CA2055108A1 (en) | 1992-05-15 |
AU8691991A (en) | 1992-05-21 |
CA2055108C (en) | 1996-05-21 |
JPH04267298A (ja) | 1992-09-22 |
EP0486180A3 (en) | 1993-04-14 |
EP0486180A2 (de) | 1992-05-20 |
US5172416A (en) | 1992-12-15 |
AU643923B2 (en) | 1993-11-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |