ATE81239T1 - Echokompensator. - Google Patents

Echokompensator.

Info

Publication number
ATE81239T1
ATE81239T1 AT88112050T AT88112050T ATE81239T1 AT E81239 T1 ATE81239 T1 AT E81239T1 AT 88112050 T AT88112050 T AT 88112050T AT 88112050 T AT88112050 T AT 88112050T AT E81239 T1 ATE81239 T1 AT E81239T1
Authority
AT
Austria
Prior art keywords
echo
step width
signal
echo canceller
measuring device
Prior art date
Application number
AT88112050T
Other languages
German (de)
English (en)
Inventor
Pfeil Dirsko Von
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
Application granted granted Critical
Publication of ATE81239T1 publication Critical patent/ATE81239T1/de

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)
AT88112050T 1987-07-29 1988-07-26 Echokompensator. ATE81239T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3725190 1987-07-29
EP88112050A EP0303101B1 (de) 1987-07-29 1988-07-26 Echokompensator

Publications (1)

Publication Number Publication Date
ATE81239T1 true ATE81239T1 (de) 1992-10-15

Family

ID=6332662

Family Applications (1)

Application Number Title Priority Date Filing Date
AT88112050T ATE81239T1 (de) 1987-07-29 1988-07-26 Echokompensator.

Country Status (8)

Country Link
EP (1) EP0303101B1 (OSRAM)
JP (1) JPH0695653B2 (OSRAM)
AT (1) ATE81239T1 (OSRAM)
AU (1) AU586959B2 (OSRAM)
DE (1) DE3875028D1 (OSRAM)
ES (1) ES2035186T3 (OSRAM)
GR (1) GR3006697T3 (OSRAM)
NO (1) NO175400C (OSRAM)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
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)

* 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
EP0231854B1 (de) * 1986-01-30 1991-04-03 Siemens Aktiengesellschaft Echokompensator

Also Published As

Publication number Publication date
NO175400B (no) 1994-06-27
EP0303101A1 (de) 1989-02-15
AU586959B2 (en) 1989-07-27
AU2011088A (en) 1989-02-16
DE3875028D1 (de) 1992-11-05
JPH0695653B2 (ja) 1994-11-24
ES2035186T3 (es) 1993-04-16
NO175400C (no) 1994-10-05
JPS6444636A (en) 1989-02-17
NO883355L (no) 1989-01-30
GR3006697T3 (OSRAM) 1993-06-30
EP0303101B1 (de) 1992-09-30
NO883355D0 (no) 1988-07-28

Similar Documents

Publication Publication Date Title
ATE130968T1 (de) Steckverbindung für computernetze im hausbereich.
JPS5333520A (en) Signal transmission unit
SE8003539L (sv) Ekosperr med hogpassfilter
EP0333158A3 (en) Image data transmission apparatus
EP0066180A3 (en) Optically coupled bidirectional transceiver
DE68916073D1 (de) Echokompensator.
ATE81239T1 (de) Echokompensator.
SE9201145D0 (sv) Metod foer att undvika sjaelvsvaengning i samband med ekoslaeckning
WO1998024261A3 (de) Messeinrichtung für die schnittstelle einer übertragungsstrecke mit einer vollduplex-übertragung im zweidrahtgleichlageverfahren
SE8205840D0 (sv) Ekoeliminator
FI864857A0 (fi) Signalomvandlare.
JPS51129112A (en) Transmission quality measuring device
AU584020B2 (en) A test device for digital echo compensators
JPS5570169A (en) Control system for facsimile device
JPS5261743A (en) Protective relay equipment
SE8103942L (sv) Forfarande for att inleda forbindelse vid tvaledningsoverforing
JPS5669940A (en) Echo canceling device for data modem
JPS57170644A (en) Eliminating circuit for cross polarization interference
JPS5642166A (en) Detecting method for seismic wave
JPS6398227A (ja) 適応形反響消去装置
IT1248606B (it) Rivelatore di saturazione dell'aritmetica applicabile a cancellatore d'eco nei sistemi di trasmissione digitale

Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee