NO883355D0 - Ekkokompensator. - Google Patents
Ekkokompensator.Info
- Publication number
- NO883355D0 NO883355D0 NO883355A NO883355A NO883355D0 NO 883355 D0 NO883355 D0 NO 883355D0 NO 883355 A NO883355 A NO 883355A NO 883355 A NO883355 A NO 883355A NO 883355 D0 NO883355 D0 NO 883355D0
- Authority
- NO
- Norway
- Prior art keywords
- echo
- step width
- signal
- echo canceller
- measuring device
- Prior art date
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
- H04B3/234—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 using double talk detection
-
- 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
- H04B3/238—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 using initial training sequence
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Primary Cells (AREA)
- Bidirectional Digital Transmission (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3725190 | 1987-07-29 |
Publications (4)
Publication Number | Publication Date |
---|---|
NO883355D0 true NO883355D0 (no) | 1988-07-28 |
NO883355L NO883355L (no) | 1989-01-30 |
NO175400B NO175400B (no) | 1994-06-27 |
NO175400C NO175400C (no) | 1994-10-05 |
Family
ID=6332662
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO883355A NO175400C (no) | 1987-07-29 | 1988-07-28 | Ekkokompensator |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0303101B1 (no) |
JP (1) | JPH0695653B2 (no) |
AT (1) | ATE81239T1 (no) |
AU (1) | AU586959B2 (no) |
DE (1) | DE3875028D1 (no) |
ES (1) | ES2035186T3 (no) |
GR (1) | GR3006697T3 (no) |
NO (1) | NO175400C (no) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0300427B1 (en) * | 1987-07-20 | 1992-09-30 | Nec Corporation | Echo canceller |
DE19816358C2 (de) * | 1998-04-03 | 2000-04-27 | Deutsche Telekom Ag | Verfahren zur Steuerung der Schrittweite eines Echokompensators mit adaptivem Filter |
EP1301018A1 (en) * | 2001-10-02 | 2003-04-09 | Alcatel | Apparatus and method for modifying a digital signal in the coded domain |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3327467A1 (de) * | 1983-07-29 | 1985-02-14 | Siemens AG, 1000 Berlin und 8000 München | Verfahren und schaltungsanordnung zur kompensation von echosignalen |
JPS6053336A (ja) * | 1983-09-02 | 1985-03-27 | Nec Corp | 反響消去装置 |
FR2564667B1 (fr) * | 1984-05-15 | 1986-09-19 | Trt Telecom Radio Electr | Dispositif de commande d'un annuleur d'echo et d'un ecreteur de centre |
DE3768975D1 (de) * | 1986-01-30 | 1991-05-08 | Siemens Ag | Echokompensator. |
-
1988
- 1988-07-26 DE DE8888112050T patent/DE3875028D1/de not_active Expired - Fee Related
- 1988-07-26 AT AT88112050T patent/ATE81239T1/de not_active IP Right Cessation
- 1988-07-26 ES ES198888112050T patent/ES2035186T3/es not_active Expired - Lifetime
- 1988-07-26 EP EP88112050A patent/EP0303101B1/de not_active Expired - Lifetime
- 1988-07-28 AU AU20110/88A patent/AU586959B2/en not_active Ceased
- 1988-07-28 NO NO883355A patent/NO175400C/no unknown
- 1988-07-29 JP JP63188560A patent/JPH0695653B2/ja not_active Expired - Lifetime
-
1992
- 1992-12-30 GR GR920402443T patent/GR3006697T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
NO883355L (no) | 1989-01-30 |
AU586959B2 (en) | 1989-07-27 |
DE3875028D1 (de) | 1992-11-05 |
JPH0695653B2 (ja) | 1994-11-24 |
ATE81239T1 (de) | 1992-10-15 |
EP0303101A1 (de) | 1989-02-15 |
EP0303101B1 (de) | 1992-09-30 |
JPS6444636A (en) | 1989-02-17 |
AU2011088A (en) | 1989-02-16 |
ES2035186T3 (es) | 1993-04-16 |
NO175400B (no) | 1994-06-27 |
GR3006697T3 (no) | 1993-06-30 |
NO175400C (no) | 1994-10-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2307651A1 (en) | Echo canceller employing dual-h architecture having improved non-linear echo path detection | |
SE7709560L (sv) | Ekoeliminerare | |
DE59204477D1 (de) | Steckverbindung für Computernetze im Hausbereich. | |
JPS5333520A (en) | Signal transmission unit | |
DE68924261D1 (de) | Echokompensationseinrichtung mit Anpassung der Echokompensationskoeffizienten während der Vollduplexübertragung. | |
CA2088450A1 (en) | Cross polarization interference compensating device comprising decision feedback cross polarization interference cancellers | |
DE69535121D1 (de) | Echokompensator und dessen lernverfahren | |
ES2056986T3 (es) | Anulador de eco. | |
NO175400C (no) | Ekkokompensator | |
SE9201145D0 (sv) | Metod foer att undvika sjaelvsvaengning i samband med ekoslaeckning | |
SE8205840L (sv) | Ekoeliminator | |
SE9200062L (sv) | Anordning foer att minska risken foer en icke oenskad parameterdrift hos ett adaptivt filter som anvaends foer ekoeliminering | |
FI864857A0 (fi) | Signalomvandlare. | |
DE69130863D1 (de) | Fernechokompensator | |
AU584020B2 (en) | A test device for digital echo compensators | |
JPS5669940A (en) | Echo canceling device for data modem | |
JPS5295907A (en) | Data transmission device | |
JPS6398227A (ja) | 適応形反響消去装置 |