NO883355L - Ekkokompensator. - Google Patents

Ekkokompensator.

Info

Publication number
NO883355L
NO883355L NO88883355A NO883355A NO883355L NO 883355 L NO883355 L NO 883355L NO 88883355 A NO88883355 A NO 88883355A NO 883355 A NO883355 A NO 883355A NO 883355 L NO883355 L NO 883355L
Authority
NO
Norway
Prior art keywords
echo
step width
signal
echo canceller
measuring device
Prior art date
Application number
NO88883355A
Other languages
English (en)
Other versions
NO175400C (no
NO883355D0 (no
NO175400B (no
Inventor
Dirsko Von Pfeil
Original Assignee
Siemens Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of NO883355D0 publication Critical patent/NO883355D0/no
Publication of NO883355L publication Critical patent/NO883355L/no
Publication of NO175400B publication Critical patent/NO175400B/no
Publication of NO175400C publication Critical patent/NO175400C/no

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)
NO883355A 1987-07-29 1988-07-28 Ekkokompensator NO175400C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3725190 1987-07-29

Publications (4)

Publication Number Publication Date
NO883355D0 NO883355D0 (no) 1988-07-28
NO883355L true 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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3874997T2 (de) * 1987-07-20 1993-03-25 Nippon Electric Co Echokompensator.
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)

* Cited by examiner, † Cited by third party
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
ATE62365T1 (de) * 1986-01-30 1991-04-15 Siemens Ag Echokompensator.

Also Published As

Publication number Publication date
NO175400C (no) 1994-10-05
JPH0695653B2 (ja) 1994-11-24
EP0303101B1 (de) 1992-09-30
GR3006697T3 (no) 1993-06-30
EP0303101A1 (de) 1989-02-15
ES2035186T3 (es) 1993-04-16
DE3875028D1 (de) 1992-11-05
NO883355D0 (no) 1988-07-28
AU2011088A (en) 1989-02-16
AU586959B2 (en) 1989-07-27
NO175400B (no) 1994-06-27
JPS6444636A (en) 1989-02-17
ATE81239T1 (de) 1992-10-15

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