ATE193956T1 - System zur erzeugung eines zeitvarianten signals zur unterdrückung eines primärsignals zur minimierung eines voraussagbaren fehlers - Google Patents
System zur erzeugung eines zeitvarianten signals zur unterdrückung eines primärsignals zur minimierung eines voraussagbaren fehlersInfo
- Publication number
- ATE193956T1 ATE193956T1 AT94203399T AT94203399T ATE193956T1 AT E193956 T1 ATE193956 T1 AT E193956T1 AT 94203399 T AT94203399 T AT 94203399T AT 94203399 T AT94203399 T AT 94203399T AT E193956 T1 ATE193956 T1 AT E193956T1
- Authority
- AT
- Austria
- Prior art keywords
- signal
- time
- generating
- providing
- cancellation
- 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
- G10K11/1781—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
-
- 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
- G10K2210/3053—Speeding up computation or convergence, or decreasing the computational load
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Feedback Control In General (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Error Detection And Correction (AREA)
- Traffic Control Systems (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Filters That Use Time-Delay Elements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL9302076A NL9302076A (nl) | 1993-11-30 | 1993-11-30 | Systeem voor het genereren van een tijdvariant signaal ter onderdrukking van een primair signaal met minimalisatie van een predictiefout. |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE193956T1 true ATE193956T1 (de) | 2000-06-15 |
Family
ID=19863207
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT94203399T ATE193956T1 (de) | 1993-11-30 | 1994-11-22 | System zur erzeugung eines zeitvarianten signals zur unterdrückung eines primärsignals zur minimierung eines voraussagbaren fehlers |
Country Status (7)
Country | Link |
---|---|
US (1) | US5559839A (de) |
EP (1) | EP0657871B1 (de) |
AT (1) | ATE193956T1 (de) |
DE (1) | DE69424924T2 (de) |
DK (1) | DK0657871T3 (de) |
ES (1) | ES2149237T3 (de) |
NL (1) | NL9302076A (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5805480A (en) * | 1997-07-03 | 1998-09-08 | National Semiconductor Corporation | Rotationally predictive adaptive filter |
JP2003532961A (ja) * | 2000-05-08 | 2003-11-05 | ネイダーランゼ、オルガニザティー、ボー、トゥーゲパストナトゥールウェテンシャッペルーク、オンダーツォーク、ティーエヌオー | アクティブ制御システムを制御する方法およびその方法を使用するシステム |
US6963649B2 (en) * | 2000-10-24 | 2005-11-08 | Adaptive Technologies, Inc. | Noise cancelling microphone |
AU2003903826A0 (en) | 2003-07-24 | 2003-08-07 | University Of South Australia | An ofdm receiver structure |
JP2011121534A (ja) * | 2009-12-14 | 2011-06-23 | Honda Motor Co Ltd | 能動型騒音制御装置 |
US11688381B2 (en) * | 2021-09-15 | 2023-06-27 | Jiangnan University | Feedback active noise control system and strategy with online secondary-path modeling |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US5135079A (en) * | 1990-02-28 | 1992-08-04 | Kabushiki Kaisha Toshiba | Noise prevention apparatus for a cable winch elevator |
US5117401A (en) * | 1990-08-16 | 1992-05-26 | Hughes Aircraft Company | Active adaptive noise canceller without training mode |
JP3172198B2 (ja) * | 1991-03-01 | 2001-06-04 | 株式会社東芝 | 等化方式 |
US5150414A (en) * | 1991-03-27 | 1992-09-22 | The United States Of America As Represented By The Secretary Of The Navy | Method and apparatus for signal prediction in a time-varying signal system |
JPH0719157B2 (ja) * | 1991-08-05 | 1995-03-06 | 富士通テン株式会社 | 騒音制御装置 |
JP2924496B2 (ja) * | 1992-09-30 | 1999-07-26 | 松下電器産業株式会社 | 騒音制御装置 |
US5388080A (en) * | 1993-04-27 | 1995-02-07 | Hughes Aircraft Company | Non-integer sample delay active noise canceller |
US5414733A (en) * | 1993-12-20 | 1995-05-09 | Adtran | Decision feedback equalizer employing fixed ratio postcursor taps for minimizing noise and intersymbol interference in signals conveyed over high speed data service loop |
-
1993
- 1993-11-30 NL NL9302076A patent/NL9302076A/nl not_active Application Discontinuation
-
1994
- 1994-11-22 DK DK94203399T patent/DK0657871T3/da active
- 1994-11-22 DE DE69424924T patent/DE69424924T2/de not_active Expired - Lifetime
- 1994-11-22 ES ES94203399T patent/ES2149237T3/es not_active Expired - Lifetime
- 1994-11-22 EP EP94203399A patent/EP0657871B1/de not_active Expired - Lifetime
- 1994-11-22 AT AT94203399T patent/ATE193956T1/de not_active IP Right Cessation
- 1994-11-30 US US08/352,671 patent/US5559839A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69424924D1 (de) | 2000-07-20 |
EP0657871A1 (de) | 1995-06-14 |
ES2149237T3 (es) | 2000-11-01 |
US5559839A (en) | 1996-09-24 |
DE69424924T2 (de) | 2001-02-22 |
DK0657871T3 (da) | 2000-10-30 |
NL9302076A (nl) | 1995-06-16 |
EP0657871B1 (de) | 2000-06-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69128519D1 (de) | Aktives Dämpfungssystem mit einer vorgegebenen akustischen Ausgangswelle | |
EP0585976A3 (en) | Hearing aid with cancellation of acoustic feedback | |
DE69331223D1 (de) | Netzwerkechokompensator | |
CA2160672A1 (en) | Single and Multiple Channel Block Adaptive Methods and Apparatus for Active Sound and Vibration Control | |
DE69420232D1 (de) | Schnelles Konvergenzsystem eines adaptiven Filters zur Erzeugung eines zeitabhängigen Signals zur Kompensation eines primären Signals | |
DE69132338D1 (de) | Aktives digitales annulationssystem "virtuelle erde" | |
CA2074951A1 (en) | Repetitive phenomena cancellation arrangement with multiple sensors and actuators | |
ATE193956T1 (de) | System zur erzeugung eines zeitvarianten signals zur unterdrückung eines primärsignals zur minimierung eines voraussagbaren fehlers | |
CA2184496A1 (en) | Lightwave phase control for reduction of resonator fiber optic gyroscope kerr effect error | |
ES2081905T3 (es) | Circuito de medida numerica de una señal electrica. | |
EP1463303A3 (de) | Bildaufnahmegerät mit Funktion zur Verhinderung von Vibrationen | |
ES495155A0 (es) | Perfeccionamientos en ecualizadores transversales | |
GR3030748T3 (en) | A method for avoiding self-oscillation in conjunction with echo cancellation. | |
DE69232501D1 (de) | Vorrichtung zur reduzierung der gefahr unerwünschter parameterabweichungen eines adaptiven, zur echo unterdrückung verwendeten filter | |
WO1998048508A3 (en) | Method and apparatus for multichannel active noise and vibration control | |
SE8205839L (sv) | Ekoeliminator | |
EP0598120A4 (en) | Noise control apparatus. | |
GB2356328B (en) | Echo suppression and echo cancellation | |
JPS57124267A (en) | Elimination system for noise of sonar | |
KR960701408A (ko) | 적응형 지수필터의 조정방법(method for adjusting an adaptive exponential filter) | |
DE69221081T2 (de) | Einrichtung zur adaptiven Abstimmung auf ein empfangenes periodisches Signal | |
DE59209323D1 (de) | Verfahren und Anordnung zur Steuerung eines Restecho-Begrenzers | |
EP0984432A3 (de) | Pulspositions- Kontrolle für einen algebraischen Sprachkodierer | |
Györi et al. | Approximation techniques for compartmental systems with time-lags—II | |
DE59206288D1 (de) | Verfahren und Schaltungsanordnung zum Kompensieren von Echosignalen bei einer Digitalsignalübertragung über eine Zweidrahtleitung |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
UEP | Publication of translation of european patent specification | ||
REN | Ceased due to non-payment of the annual fee |