ATE161376T1 - Verfahren und vorrichtung zur adaptiven akustischen echokompensation - Google Patents
Verfahren und vorrichtung zur adaptiven akustischen echokompensationInfo
- Publication number
- ATE161376T1 ATE161376T1 AT92114499T AT92114499T ATE161376T1 AT E161376 T1 ATE161376 T1 AT E161376T1 AT 92114499 T AT92114499 T AT 92114499T AT 92114499 T AT92114499 T AT 92114499T AT E161376 T1 ATE161376 T1 AT E161376T1
- Authority
- AT
- Austria
- Prior art keywords
- filter
- iteration
- account
- takes
- generation
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
- H04M9/085—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic using digital techniques
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES09102024A ES2038904B1 (es) | 1991-09-10 | 1991-09-10 | Procedimiento y dispositivo de cancelacion adaptativa de ecos acusticos. |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE161376T1 true ATE161376T1 (de) | 1998-01-15 |
Family
ID=8273490
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT92114499T ATE161376T1 (de) | 1991-09-10 | 1992-08-26 | Verfahren und vorrichtung zur adaptiven akustischen echokompensation |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0531796B1 (de) |
AT (1) | ATE161376T1 (de) |
DE (1) | DE69223565T2 (de) |
ES (1) | ES2038904B1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2101633B1 (es) * | 1994-05-31 | 1998-03-01 | Alcatel Standard Electrica | Terminal celular fijo para servicios de telecomunicaciones a dos hilos. |
US5535194A (en) * | 1994-07-14 | 1996-07-09 | Motorola, Inc. | Method and apparatus for echo canceling with double-talk immunity |
CN1215540A (zh) * | 1996-04-03 | 1999-04-28 | 英国电讯有限公司 | 声反馈校正 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4621172A (en) * | 1982-12-22 | 1986-11-04 | Nec Corporation | Fast convergence method and system for echo canceller |
JPS62176337A (ja) * | 1986-01-30 | 1987-08-03 | Oki Electric Ind Co Ltd | 適応形エコ−キヤンセラ |
EP0272714B1 (de) * | 1986-11-17 | 1992-06-24 | Alcatel N.V. | Einstellbarer Echokompensator |
NL8701633A (nl) * | 1987-07-10 | 1989-02-01 | Philips Nv | Digitale echocompensator. |
EP0310055B1 (de) * | 1987-10-02 | 1994-01-12 | Advanced Micro Devices, Inc. | Adaptiver Echokompensator mit Doppel-Spracherkennung |
SE461308B (sv) * | 1988-06-03 | 1990-01-29 | Ericsson Telefon Ab L M | Adaptivt digitalt filter omfattande en icke rekursiv del och en rekursiv del |
IT1228106B (it) * | 1988-12-21 | 1991-05-28 | Sits Soc It Telecom Siemens | Procedimento e dispositivo per la cancellazione numerica adattativa dell'eco generato in collegamenti telefonici con caratteristiche varianti nel tempo |
-
1991
- 1991-09-10 ES ES09102024A patent/ES2038904B1/es not_active Expired - Fee Related
-
1992
- 1992-08-26 EP EP92114499A patent/EP0531796B1/de not_active Expired - Lifetime
- 1992-08-26 DE DE69223565T patent/DE69223565T2/de not_active Expired - Fee Related
- 1992-08-26 AT AT92114499T patent/ATE161376T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0531796A2 (de) | 1993-03-17 |
ES2038904A2 (es) | 1993-08-01 |
ES2038904B1 (es) | 1995-01-16 |
ES2038904R (de) | 1994-07-01 |
DE69223565D1 (de) | 1998-01-29 |
DE69223565T2 (de) | 1998-06-25 |
EP0531796A3 (en) | 1993-10-20 |
EP0531796B1 (de) | 1997-12-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
UEP | Publication of translation of european patent specification | ||
REN | Ceased due to non-payment of the annual fee |