ATE352124T1 - Adaptives frequency domain filter mit partitionierten blöcken - Google Patents
Adaptives frequency domain filter mit partitionierten blöckenInfo
- Publication number
- ATE352124T1 ATE352124T1 AT01971938T AT01971938T ATE352124T1 AT E352124 T1 ATE352124 T1 AT E352124T1 AT 01971938 T AT01971938 T AT 01971938T AT 01971938 T AT01971938 T AT 01971938T AT E352124 T1 ATE352124 T1 AT E352124T1
- Authority
- AT
- Austria
- Prior art keywords
- filter
- frequency domain
- update unit
- circular
- domain filter
- Prior art date
Links
- 230000003044 adaptive effect Effects 0.000 title abstract 4
- 238000005192 partition Methods 0.000 abstract 3
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H21/00—Adaptive networks
- H03H21/0012—Digital adaptive filters
- H03H21/0025—Particular filtering methods
- H03H21/0027—Particular filtering methods filtering in the frequency domain
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/04—Recursive filters
- H03H17/0461—Quantisation; Rounding; Truncation; Overflow oscillations or limit cycles eliminating measures
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Mathematical Physics (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Filters That Use Time-Delay Elements (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP00202917 | 2000-08-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE352124T1 true ATE352124T1 (de) | 2007-02-15 |
Family
ID=8171932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT01971938T ATE352124T1 (de) | 2000-08-21 | 2001-08-13 | Adaptives frequency domain filter mit partitionierten blöcken |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7103623B2 (de) |
| EP (1) | EP1314247B1 (de) |
| JP (1) | JP2004507923A (de) |
| AT (1) | ATE352124T1 (de) |
| DE (1) | DE60126105T2 (de) |
| WO (1) | WO2002017488A1 (de) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006524970A (ja) * | 2003-04-28 | 2006-11-02 | ソーラーフレア・コミュニケーションズ・インコーポレイテッド | 多重チャネルにおける混信の解消 |
| JP4510795B2 (ja) * | 2005-11-25 | 2010-07-28 | 日本電信電話株式会社 | 伝達系推定装置、方法、プログラム、記録媒体 |
| JP4705554B2 (ja) * | 2006-11-14 | 2011-06-22 | 日本電信電話株式会社 | エコーキャンセル装置、その方法、そのプログラム、およびその記録媒体 |
| US8345884B2 (en) | 2006-12-12 | 2013-01-01 | Nec Corporation | Signal separation reproduction device and signal separation reproduction method |
| US8595278B2 (en) * | 2009-03-03 | 2013-11-26 | Broadcom Corporation | Method and system for unconstrained frequency domain adaptive filtering |
| KR101007384B1 (ko) | 2009-11-26 | 2011-01-13 | 삼성탈레스 주식회사 | 인접한 블록의 특성을 고려한 적응적 필터링 방법 |
| CN103155591B (zh) | 2010-10-14 | 2015-09-09 | 杜比实验室特许公司 | 使用自适应频域滤波和动态快速卷积的自动均衡方法及装置 |
| US9036752B2 (en) * | 2011-05-05 | 2015-05-19 | Nuance Communications, Inc. | Low-delay filtering |
| US9172577B2 (en) * | 2013-02-19 | 2015-10-27 | Futurewei Technologies, Inc. | System and method for orthogonal frequency division multiplexing-offset quadrature amplitude modulation |
| DE102014214143B4 (de) | 2014-03-14 | 2015-12-31 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Verarbeiten eines Signals im Frequenzbereich |
| JP6151213B2 (ja) * | 2014-04-25 | 2017-06-21 | 日本電信電話株式会社 | 反響消去装置、反響消去方法、プログラム |
| EP3125429A1 (de) * | 2015-07-28 | 2017-02-01 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Adaptive filtervorrichtung der partitionierten blockfrequenzdomäne mit adaptationsmodulen und korrekturmodulen |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4658426A (en) * | 1985-10-10 | 1987-04-14 | Harold Antin | Adaptive noise suppressor |
| 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 |
| US5418857A (en) * | 1993-09-28 | 1995-05-23 | Noise Cancellation Technologies, Inc. | Active control system for noise shaping |
| US5526426A (en) * | 1994-11-08 | 1996-06-11 | Signalworks | System and method for an efficiently constrained frequency-domain adaptive filter |
| US6608864B1 (en) * | 1999-05-26 | 2003-08-19 | 3Com Corporation | Method and apparatus for fault recovery in a decision feedback equalizer |
| US7050491B2 (en) * | 2001-10-15 | 2006-05-23 | Mcdonald James Douglas | Adaptive equalization of digital modulating signal recovered from amplitude-modulated signal subject to multipath |
| US6963649B2 (en) * | 2000-10-24 | 2005-11-08 | Adaptive Technologies, Inc. | Noise cancelling microphone |
-
2001
- 2001-08-13 EP EP01971938A patent/EP1314247B1/de not_active Expired - Lifetime
- 2001-08-13 AT AT01971938T patent/ATE352124T1/de not_active IP Right Cessation
- 2001-08-13 JP JP2002522066A patent/JP2004507923A/ja active Pending
- 2001-08-13 DE DE60126105T patent/DE60126105T2/de not_active Expired - Fee Related
- 2001-08-13 WO PCT/EP2001/009625 patent/WO2002017488A1/en not_active Ceased
- 2001-08-20 US US09/933,556 patent/US7103623B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US20020073128A1 (en) | 2002-06-13 |
| DE60126105T2 (de) | 2007-08-30 |
| EP1314247B1 (de) | 2007-01-17 |
| DE60126105D1 (en) | 2007-03-08 |
| EP1314247A1 (de) | 2003-05-28 |
| JP2004507923A (ja) | 2004-03-11 |
| US7103623B2 (en) | 2006-09-05 |
| WO2002017488A1 (en) | 2002-02-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |