SE406401B - Forfarande for adaptiv ekoutsleckning samt anordning for genomforande av forfarandet - Google Patents

Forfarande for adaptiv ekoutsleckning samt anordning for genomforande av forfarandet

Info

Publication number
SE406401B
SE406401B SE7611711A SE7611711A SE406401B SE 406401 B SE406401 B SE 406401B SE 7611711 A SE7611711 A SE 7611711A SE 7611711 A SE7611711 A SE 7611711A SE 406401 B SE406401 B SE 406401B
Authority
SE
Sweden
Prior art keywords
procedure
extinguishing
arrangements
implementing
eco
Prior art date
Application number
SE7611711A
Other languages
English (en)
Other versions
SE7611711L (sv
Inventor
G H Suyderhoud
Jr M Onufry
E R Kauffman
Original Assignee
Communications Satellite Corp
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 Communications Satellite Corp filed Critical Communications Satellite Corp
Publication of SE7611711L publication Critical patent/SE7611711L/sv
Publication of SE406401B publication Critical patent/SE406401B/sv

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)
SE7611711A 1975-10-23 1976-10-21 Forfarande for adaptiv ekoutsleckning samt anordning for genomforande av forfarandet SE406401B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/625,354 US4021623A (en) 1975-10-23 1975-10-23 Automatic H-register clear for prevention of erroneous convolution in digital adaptive echo canceller

Publications (2)

Publication Number Publication Date
SE7611711L SE7611711L (sv) 1977-04-24
SE406401B true SE406401B (sv) 1979-02-05

Family

ID=24505681

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7611711A SE406401B (sv) 1975-10-23 1976-10-21 Forfarande for adaptiv ekoutsleckning samt anordning for genomforande av forfarandet

Country Status (10)

Country Link
US (1) US4021623A (sv)
JP (2) JPS5252516A (sv)
AU (1) AU498405B2 (sv)
BR (1) BR7607021A (sv)
CA (1) CA1065514A (sv)
DE (1) DE2647305A1 (sv)
FR (1) FR2333388A1 (sv)
GB (1) GB1509988A (sv)
IT (1) IT1070494B (sv)
SE (1) SE406401B (sv)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56153850A (en) * 1980-04-28 1981-11-28 Kokusai Denshin Denwa Co Ltd <Kdd> Echo control system
US4412299A (en) * 1981-02-02 1983-10-25 Teltone Corporation Phase jitter detector
DE3245588A1 (de) * 1982-12-09 1984-06-14 Standard Elektrik Lorenz Ag, 7000 Stuttgart Verfahren und schaltungsanordnung zur fehlerortung bei einem digitalen fernmelde-teilnehmeranschluss
JP3068996B2 (ja) * 1993-12-21 2000-07-24 真作 森 適応フィルタ装置及びそのステップゲインの発生方法
JPH08265224A (ja) * 1995-03-22 1996-10-11 Nec Corp エコーキャンセラ
US6125179A (en) * 1995-12-13 2000-09-26 3Com Corporation Echo control device with quick response to sudden echo-path change
US10679227B2 (en) * 2015-11-06 2020-06-09 Mastercard International Incorporated Systems and methods for mapping online data to data of interest

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3836734A (en) * 1971-12-03 1974-09-17 Communications Satellite Corp Adaptive echo canceller with multi-increment gain coefficient corrections
US3789165A (en) * 1972-04-24 1974-01-29 Communications Satellite Corp Echo canceller with variable threshold
US3894200A (en) * 1973-10-10 1975-07-08 Communications Satellite Corp Adaptive echo canceller with digital center clipping

Also Published As

Publication number Publication date
CA1065514A (en) 1979-10-30
AU498405B2 (en) 1979-03-08
JPS59131232A (ja) 1984-07-28
GB1509988A (en) 1978-05-10
JPS5252516A (en) 1977-04-27
BR7607021A (pt) 1977-09-06
FR2333388B1 (sv) 1981-08-07
IT1070494B (it) 1985-03-29
AU1864376A (en) 1978-04-20
SE7611711L (sv) 1977-04-24
DE2647305A1 (de) 1977-04-28
US4021623A (en) 1977-05-03
JPS602810B2 (ja) 1985-01-24
FR2333388A1 (fr) 1977-06-24

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