FR2526612B1 - - Google Patents

Info

Publication number
FR2526612B1
FR2526612B1 FR8207756A FR8207756A FR2526612B1 FR 2526612 B1 FR2526612 B1 FR 2526612B1 FR 8207756 A FR8207756 A FR 8207756A FR 8207756 A FR8207756 A FR 8207756A FR 2526612 B1 FR2526612 B1 FR 2526612B1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR8207756A
Other languages
French (fr)
Other versions
FR2526612A1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales SA
ALE International SAS
Original Assignee
Thomson CSF Telephone SA
Le Materiel Telephonique Thomson CSF
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 Thomson CSF Telephone SA, Le Materiel Telephonique Thomson CSF filed Critical Thomson CSF Telephone SA
Priority to FR8207756A priority Critical patent/FR2526612A1/en
Publication of FR2526612A1 publication Critical patent/FR2526612A1/en
Application granted granted Critical
Publication of FR2526612B1 publication Critical patent/FR2526612B1/fr
Granted legal-status Critical Current

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
FR8207756A 1982-05-04 1982-05-04 Digital energy level measuring circuit for signal transmission system - has transcoding, squaring and memory circuits, esp. for echo canceller Granted FR2526612A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8207756A FR2526612A1 (en) 1982-05-04 1982-05-04 Digital energy level measuring circuit for signal transmission system - has transcoding, squaring and memory circuits, esp. for echo canceller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8207756A FR2526612A1 (en) 1982-05-04 1982-05-04 Digital energy level measuring circuit for signal transmission system - has transcoding, squaring and memory circuits, esp. for echo canceller

Publications (2)

Publication Number Publication Date
FR2526612A1 FR2526612A1 (en) 1983-11-10
FR2526612B1 true FR2526612B1 (en) 1985-04-19

Family

ID=9273721

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8207756A Granted FR2526612A1 (en) 1982-05-04 1982-05-04 Digital energy level measuring circuit for signal transmission system - has transcoding, squaring and memory circuits, esp. for echo canceller

Country Status (1)

Country Link
FR (1) FR2526612A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4317043B4 (en) * 1993-05-21 2004-03-25 Deutsche Telekom Ag Method and device for echo cancellation in transmission systems

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2535141C3 (en) * 1972-08-10 1978-03-02 Siemens Ag, 1000 Berlin Und 8000 Muenchen Echo canceller for a communication system
GB1434239A (en) * 1972-08-10 1976-05-05 Siemens Ag Echo cancellers
FR2272544B1 (en) * 1974-05-24 1977-03-11 Cit Alcatel
FR2469044A1 (en) * 1979-08-30 1981-05-08 Thomson Csf Mat Tel DIGITAL SIGNAL TIME-PROCESSING METHOD AND APPLICATION TO A MULTIPLEXED SELF-ADAPTIVE ECHO CANCELER
FR2501438A1 (en) * 1981-03-03 1982-09-10 Thomson Csf Mat Tel CONVERGENCE CONTROL DEVICE FOR DIGITAL ECHO CANCER

Also Published As

Publication number Publication date
FR2526612A1 (en) 1983-11-10

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