SE9102333D0 - Foerfarande och anordning foer digital filtrering - Google Patents
Foerfarande och anordning foer digital filtreringInfo
- Publication number
- SE9102333D0 SE9102333D0 SE9102333A SE9102333A SE9102333D0 SE 9102333 D0 SE9102333 D0 SE 9102333D0 SE 9102333 A SE9102333 A SE 9102333A SE 9102333 A SE9102333 A SE 9102333A SE 9102333 D0 SE9102333 D0 SE 9102333D0
- Authority
- SE
- Sweden
- Prior art keywords
- branches
- filters
- taps
- procedure
- convolutions
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 4
- 238000001914 filtration Methods 0.000 title abstract 2
- 238000005070 sampling Methods 0.000 abstract 4
- 238000012986 modification Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
Landscapes
- Auxiliary Devices For Music (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Mathematical Physics (AREA)
- Reverberation, Karaoke And Other Acoustics (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9102333A SE9102333D0 (sv) | 1991-08-12 | 1991-08-12 | Foerfarande och anordning foer digital filtrering |
| PCT/SE1992/000521 WO1993004529A1 (en) | 1991-08-12 | 1992-07-17 | A digital filtering method and apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9102333A SE9102333D0 (sv) | 1991-08-12 | 1991-08-12 | Foerfarande och anordning foer digital filtrering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE9102333D0 true SE9102333D0 (sv) | 1991-08-12 |
Family
ID=20383449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE9102333A SE9102333D0 (sv) | 1991-08-12 | 1991-08-12 | Foerfarande och anordning foer digital filtrering |
Country Status (2)
| Country | Link |
|---|---|
| SE (1) | SE9102333D0 (sv) |
| WO (1) | WO1993004529A1 (sv) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE516467C2 (sv) * | 2000-05-19 | 2002-01-15 | Philipson Lars H G | Metod och anordning vid faltning |
| US9824677B2 (en) | 2011-06-03 | 2017-11-21 | Cirrus Logic, Inc. | Bandlimiting anti-noise in personal audio devices having adaptive noise cancellation (ANC) |
| US9318094B2 (en) | 2011-06-03 | 2016-04-19 | Cirrus Logic, Inc. | Adaptive noise canceling architecture for a personal audio device |
| US8958571B2 (en) | 2011-06-03 | 2015-02-17 | Cirrus Logic, Inc. | MIC covering detection in personal audio devices |
| US9318090B2 (en) | 2012-05-10 | 2016-04-19 | Cirrus Logic, Inc. | Downlink tone detection and adaptation of a secondary path response model in an adaptive noise canceling system |
| US9123321B2 (en) | 2012-05-10 | 2015-09-01 | Cirrus Logic, Inc. | Sequenced adaptation of anti-noise generator response and secondary path response in an adaptive noise canceling system |
| US9532139B1 (en) | 2012-09-14 | 2016-12-27 | Cirrus Logic, Inc. | Dual-microphone frequency amplitude response self-calibration |
| US9414150B2 (en) | 2013-03-14 | 2016-08-09 | Cirrus Logic, Inc. | Low-latency multi-driver adaptive noise canceling (ANC) system for a personal audio device |
| US9666176B2 (en) | 2013-09-13 | 2017-05-30 | Cirrus Logic, Inc. | Systems and methods for adaptive noise cancellation by adaptively shaping internal white noise to train a secondary path |
| US10219071B2 (en) | 2013-12-10 | 2019-02-26 | Cirrus Logic, Inc. | Systems and methods for bandlimiting anti-noise in personal audio devices having adaptive noise cancellation |
| US9704472B2 (en) | 2013-12-10 | 2017-07-11 | Cirrus Logic, Inc. | Systems and methods for sharing secondary path information between audio channels in an adaptive noise cancellation system |
| US9478212B1 (en) | 2014-09-03 | 2016-10-25 | Cirrus Logic, Inc. | Systems and methods for use of adaptive secondary path estimate to control equalization in an audio device |
| US20160365084A1 (en) * | 2015-06-09 | 2016-12-15 | Cirrus Logic International Semiconductor Ltd. | Hybrid finite impulse response filter |
| KR102688257B1 (ko) | 2015-08-20 | 2024-07-26 | 시러스 로직 인터내셔널 세미컨덕터 리미티드 | 피드백 적응적 잡음 소거(anc) 제어기 및 고정 응답 필터에 의해 부분적으로 제공되는 피드백 응답을 갖는 방법 |
| US10013966B2 (en) | 2016-03-15 | 2018-07-03 | Cirrus Logic, Inc. | Systems and methods for adaptive active noise cancellation for multiple-driver personal audio device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5952911A (ja) * | 1982-09-20 | 1984-03-27 | Nec Corp | トランスバ−サル・フイルタ |
| US4888808A (en) * | 1987-03-23 | 1989-12-19 | Matsushita Electric Industrial Co., Ltd. | Digital equalizer apparatus enabling separate phase and amplitude characteristic modification |
| JP2646210B2 (ja) * | 1987-05-27 | 1997-08-27 | ヤマハ株式会社 | 電気音響的残響支援装置 |
-
1991
- 1991-08-12 SE SE9102333A patent/SE9102333D0/sv unknown
-
1992
- 1992-07-17 WO PCT/SE1992/000521 patent/WO1993004529A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO1993004529A1 (en) | 1993-03-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SE9102333D0 (sv) | Foerfarande och anordning foer digital filtrering | |
| DK21990A (da) | Adaptivt digitalt filter med en ikke rekursiv del og en rekursiv del | |
| TW350164B (en) | Wide-band radio-frequency converter having multiple use of intermediate frequency translators | |
| NO911457D0 (no) | Anordning for aa redusere signalbaandstoey i et mottatt digitalt radiofrekvenssignal. | |
| KR890700963A (ko) | 수신된 fm-uhf 신호의 필터링 장치 | |
| DE3174369D1 (en) | Circuit for the processing, transmission and acoustic reproduction of digitalized tone frequency signals | |
| ES270679Y (es) | Transmision de correa dentada y poleas dentadas. | |
| GB8304891D0 (en) | Analogue wave filter device | |
| DE58905789D1 (de) | Hochfrequenz-bandpassfilter. | |
| GB2018079B (en) | Filters comprising coupled acoustic wave resonators | |
| JPS56153923A (en) | Digital frequency repeating device | |
| GB2045031B (en) | Attenuating spurious signals which would otherwise appear at the output of a signal channel in a fm-receiver | |
| GB2000926A (en) | Channel Selector for Television Receiver | |
| DE3467075D1 (en) | Magnetostatic wave filter device | |
| JPS5314549A (en) | Spiral traveling wave tube | |
| FR2498846B1 (fr) | Filtres electriques autocorriges en temps de propagation de groupe | |
| IT8267024A0 (it) | Procedimento e dispositivo di miscelazione di segnali a bassa frequenza trasmessi mediante canali temporali differenti verso uno stesso apparato telefonico ricevitore | |
| DE3782882D1 (de) | Filteranordnung. | |
| JPS57142020A (en) | Sampling frequency converter | |
| DE3867885D1 (de) | Digitales zwischenfrequenzfilter. | |
| SE9003661D0 (sv) | Foerfarande och anordning i samband med ekoeliminering i en abonnentlinjekrets | |
| GB9312026D0 (en) | Filter circuit for attenuating high frequency signals | |
| IE840715L (en) | Digital wave filters | |
| JPS5797758A (en) | Multifrequency signal receiver | |
| JPS52128044A (en) | High frequency noise elimination |