DE69330082T2 - Dekorrelationsregler für adaptive Digitalfilter - Google Patents
Dekorrelationsregler für adaptive DigitalfilterInfo
- Publication number
- DE69330082T2 DE69330082T2 DE69330082T DE69330082T DE69330082T2 DE 69330082 T2 DE69330082 T2 DE 69330082T2 DE 69330082 T DE69330082 T DE 69330082T DE 69330082 T DE69330082 T DE 69330082T DE 69330082 T2 DE69330082 T2 DE 69330082T2
- Authority
- DE
- Germany
- Prior art keywords
- digital filters
- adaptive digital
- decorrelation controller
- decorrelation
- controller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
- H04B3/23—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Filters That Use Time-Delay Elements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/970,088 US5526347A (en) | 1992-11-02 | 1992-11-02 | Decorrelation controller for an adaptive echo cancellor |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69330082D1 DE69330082D1 (de) | 2001-05-10 |
DE69330082T2 true DE69330082T2 (de) | 2001-11-15 |
Family
ID=25516425
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69330082T Expired - Lifetime DE69330082T2 (de) | 1992-11-02 | 1993-10-11 | Dekorrelationsregler für adaptive Digitalfilter |
Country Status (4)
Country | Link |
---|---|
US (1) | US5526347A (de) |
EP (1) | EP0596610B1 (de) |
JP (1) | JP3454883B2 (de) |
DE (1) | DE69330082T2 (de) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4426226A1 (de) * | 1994-07-23 | 1996-01-25 | Philips Patentverwaltung | Schaltungsanordnung zum Übertragen von codierten Sprachsignalen |
JP2749780B2 (ja) * | 1994-09-30 | 1998-05-13 | 株式会社エイ・ティ・アール人間情報通信研究所 | 適応化型相互相関装置 |
US5646990A (en) * | 1995-09-21 | 1997-07-08 | Rockwell International Corporation | Efficient speakerphone anti-howling system |
US5978473A (en) * | 1995-12-27 | 1999-11-02 | Ericsson Inc. | Gauging convergence of adaptive filters |
EP0813301A1 (de) * | 1996-06-10 | 1997-12-17 | TOSHIBA Electronics Europe GmbH | Digitales adaptives Filter |
FR2755554B1 (fr) * | 1996-11-06 | 1998-12-24 | Telediffusion Fse | Procede d'annulation d'echo pour signal radio module a enveloppe constante et dispositifs associes |
US6256383B1 (en) | 1997-11-07 | 2001-07-03 | Legerity, Inc. | IIR filter of adaptive balance circuit for long tail echo cancellation |
US6201796B1 (en) * | 1998-05-14 | 2001-03-13 | Broadcom Corporation | Startup protocol for high throughput communications systems |
US6236645B1 (en) | 1998-03-09 | 2001-05-22 | Broadcom Corporation | Apparatus for, and method of, reducing noise in a communications system |
JP3660589B2 (ja) * | 1998-03-09 | 2005-06-15 | ブロードコム コーポレイション | ギガビット・イーサネット送受信機 |
US6212225B1 (en) | 1998-05-14 | 2001-04-03 | Bradcom Corporation | Startup protocol for high throughput communications systems |
US6304598B1 (en) | 1998-08-28 | 2001-10-16 | Broadcom Corporation | Apparatus for, and method of, reducing power dissipation in a communications system |
JP3622510B2 (ja) * | 1998-06-19 | 2005-02-23 | 富士通株式会社 | ディジタル加入者線伝送方法、adslトランシーバ、チャンネルアナリシステ方法及びadsl装置 |
US6289047B1 (en) | 1998-08-28 | 2001-09-11 | Broadcom Corporation | Dynamic regulation of power consumption of a high-speed communication system |
US6363129B1 (en) * | 1998-11-09 | 2002-03-26 | Broadcom Corporation | Timing recovery system for a multi-pair gigabit transceiver |
US6807228B2 (en) * | 1998-11-13 | 2004-10-19 | Broadcom Corporation | Dynamic regulation of power consumption of a high-speed communication system |
US6928106B1 (en) * | 1998-08-28 | 2005-08-09 | Broadcom Corporation | Phy control module for a multi-pair gigabit transceiver |
US6477200B1 (en) * | 1998-11-09 | 2002-11-05 | Broadcom Corporation | Multi-pair gigabit ethernet transceiver |
AU4492100A (en) * | 1999-04-22 | 2000-11-10 | Broadcom Corporation | Gigabit ethernet with timing offsets between the twisted pairs |
US6426979B1 (en) | 1999-04-29 | 2002-07-30 | Legerity, Inc. | Adaptation control algorithm for echo cancellation using signal-value based analysis |
DE19960051A1 (de) * | 1999-12-14 | 2001-06-21 | Alcatel Sa | Verfahren zur Echounterdrückung in einem Telekommunikationssystem und Echounterdrückungseinrichtung zur Durchführung des Verfahrens |
US6590833B1 (en) * | 2002-08-08 | 2003-07-08 | The United States Of America As Represented By The Secretary Of The Navy | Adaptive cross correlator |
DE10329055B4 (de) * | 2003-06-27 | 2005-10-13 | Infineon Technologies Ag | Verfahren und Vorrichtung zur Echokompensation |
US20080159448A1 (en) * | 2006-12-29 | 2008-07-03 | Texas Instruments, Incorporated | System and method for crosstalk cancellation |
EP2551846B1 (de) * | 2011-07-26 | 2022-01-19 | AKG Acoustics GmbH | Rauschmindernde Tonwiedergabe |
US8952570B2 (en) | 2011-08-25 | 2015-02-10 | Hamilton Sundstrand Corporation | Active damping with a switched capacitor |
US8890463B2 (en) | 2011-08-25 | 2014-11-18 | Hamilton Sundstrand Corporation | Direct current bus management controller |
US8829826B2 (en) | 2011-08-25 | 2014-09-09 | Hamilton Sundstrand Corporation | Regenerative load electric power management systems and methods |
US8669743B2 (en) * | 2011-08-25 | 2014-03-11 | Hamilton Sundstrand Corporation | Direct current electric power system with active damping |
US8625243B2 (en) | 2011-08-25 | 2014-01-07 | Hamilton Sundstrand Corporation | Multi-functional solid state power controller |
US9491306B2 (en) * | 2013-05-24 | 2016-11-08 | Broadcom Corporation | Signal processing control in an audio device |
CN110148421B (zh) * | 2019-06-10 | 2021-07-20 | 浙江大华技术股份有限公司 | 一种残余回声检测方法、终端和装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0053202B1 (de) * | 1980-12-06 | 1985-03-27 | Communications Satellite Corporation | Detektor für gleichzeitiges Sprechen bei Echounterdrückern |
JPS59225626A (ja) * | 1983-06-06 | 1984-12-18 | Nippon Telegr & Teleph Corp <Ntt> | デ−タ伝送装置用エコ−キヤンセラ装置 |
GB8719307D0 (en) * | 1987-08-14 | 1987-09-23 | Gen Electric Co Plc | Echo canceller |
JP2810052B2 (ja) * | 1987-11-18 | 1998-10-15 | 株式会社日立製作所 | 伝送装置 |
US4922530A (en) * | 1988-03-18 | 1990-05-01 | Tellabs, Inc. | Adaptive filter with coefficient averaging and method |
GB2232860A (en) * | 1989-05-12 | 1990-12-19 | Plessey Co Plc | Audio signal echo cancellation circuit |
US4947425A (en) * | 1989-10-27 | 1990-08-07 | At&T Bell Laboratories | Echo measurement arrangement |
-
1992
- 1992-11-02 US US07/970,088 patent/US5526347A/en not_active Expired - Lifetime
-
1993
- 1993-10-11 DE DE69330082T patent/DE69330082T2/de not_active Expired - Lifetime
- 1993-10-11 EP EP93308070A patent/EP0596610B1/de not_active Expired - Lifetime
- 1993-10-27 JP JP26869593A patent/JP3454883B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0596610A2 (de) | 1994-05-11 |
JPH06204918A (ja) | 1994-07-22 |
DE69330082D1 (de) | 2001-05-10 |
US5526347A (en) | 1996-06-11 |
EP0596610B1 (de) | 2001-04-04 |
EP0596610A3 (de) | 1995-01-04 |
JP3454883B2 (ja) | 2003-10-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |