BR9205638A - Apparatus to discontinue the adaptation action in a calculator unit - Google Patents

Apparatus to discontinue the adaptation action in a calculator unit

Info

Publication number
BR9205638A
BR9205638A BR9205638A BR9205638A BR9205638A BR 9205638 A BR9205638 A BR 9205638A BR 9205638 A BR9205638 A BR 9205638A BR 9205638 A BR9205638 A BR 9205638A BR 9205638 A BR9205638 A BR 9205638A
Authority
BR
Brazil
Prior art keywords
discontinue
calculator unit
adaptation action
adaptation
action
Prior art date
Application number
BR9205638A
Other languages
Portuguese (pt)
Inventor
Andre Tore Mikael
Per-Olof Sjoberg
Original Assignee
Ericsson Telefon Ab L M
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
Priority claimed from SE9100447A external-priority patent/SE467946B/en
Priority claimed from SE9101723A external-priority patent/SE9101723D0/en
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of BR9205638A publication Critical patent/BR9205638A/en

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Revetment (AREA)
BR9205638A 1991-02-14 1992-02-11 Apparatus to discontinue the adaptation action in a calculator unit BR9205638A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9100447A SE467946B (en) 1991-02-14 1991-02-14 Device for turning off adaptation in a calculation unit for echo cancellation
SE9101723A SE9101723D0 (en) 1991-06-06 1991-06-06 DEVICE FOR DISABLING ADAPTIVE ALGORITHM
PCT/SE1992/000081 WO1992015156A1 (en) 1991-02-14 1992-02-11 A device for shutting off an adaptive algorithm

Publications (1)

Publication Number Publication Date
BR9205638A true BR9205638A (en) 1994-06-07

Family

ID=26660998

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9205638A BR9205638A (en) 1991-02-14 1992-02-11 Apparatus to discontinue the adaptation action in a calculator unit

Country Status (9)

Country Link
EP (1) EP0571489A1 (en)
JP (1) JPH06507526A (en)
AU (1) AU1207792A (en)
BR (1) BR9205638A (en)
CA (1) CA2104124A1 (en)
FI (1) FI933590A (en)
IE (1) IE920356A1 (en)
MX (1) MX9200628A (en)
WO (1) WO1992015156A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5327495A (en) * 1992-10-23 1994-07-05 Dsc Communications Corporation Apparatus and method for controlling an echo canceler

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3992594A (en) * 1975-10-10 1976-11-16 Bell Telephone Laboratories, Incorporated Echo suppressor break-in circuitry
EP0053202B1 (en) * 1980-12-06 1985-03-27 Communications Satellite Corporation Improved double talk detector for echo cancellers
US4894820A (en) * 1987-03-24 1990-01-16 Oki Electric Industry Co., Ltd. Double-talk detection in an echo canceller
US4845746A (en) * 1987-06-23 1989-07-04 Rockwell International Corporation Echo canceller with relative feedback control
EP0310055B1 (en) * 1987-10-02 1994-01-12 Advanced Micro Devices, Inc. Adaptive echo-canceller with double-talker detection

Also Published As

Publication number Publication date
CA2104124A1 (en) 1992-08-15
FI933590A0 (en) 1993-08-13
JPH06507526A (en) 1994-08-25
FI933590A (en) 1993-08-13
EP0571489A1 (en) 1993-12-01
AU1207792A (en) 1992-09-15
WO1992015156A1 (en) 1992-09-03
IE920356A1 (en) 1992-08-12
MX9200628A (en) 1992-08-01

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Legal Events

Date Code Title Description
FA1 Application deemed withdrawn (art. 18(2))