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AU537603B2 - Echo canceller with improved double talk detection - Google Patents

Echo canceller with improved double talk detection

Info

Publication number
AU537603B2
AU537603B2 AU64656/80A AU6465680A AU537603B2 AU 537603 B2 AU537603 B2 AU 537603B2 AU 64656/80 A AU64656/80 A AU 64656/80A AU 6465680 A AU6465680 A AU 6465680A AU 537603 B2 AU537603 B2 AU 537603B2
Authority
AU
Australia
Prior art keywords
echo canceller
double talk
improved double
talk detection
detection
Prior art date
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.)
Ceased
Application number
AU64656/80A
Other versions
AU6465680A (en
Inventor
Otakar Anthony Horna
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.)
Comsat Corp
Original Assignee
Comsat 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 Comsat Corp filed Critical Comsat Corp
Priority to AU64656/80A priority Critical patent/AU537603B2/en
Publication of AU6465680A publication Critical patent/AU6465680A/en
Application granted granted Critical
Publication of AU537603B2 publication Critical patent/AU537603B2/en
Anticipated expiration legal-status Critical
Ceased 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
AU64656/80A 1980-11-24 1980-11-24 Echo canceller with improved double talk detection Ceased AU537603B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU64656/80A AU537603B2 (en) 1980-11-24 1980-11-24 Echo canceller with improved double talk detection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU64656/80A AU537603B2 (en) 1980-11-24 1980-11-24 Echo canceller with improved double talk detection

Publications (2)

Publication Number Publication Date
AU6465680A AU6465680A (en) 1982-06-03
AU537603B2 true AU537603B2 (en) 1984-07-05

Family

ID=3749354

Family Applications (1)

Application Number Title Priority Date Filing Date
AU64656/80A Ceased AU537603B2 (en) 1980-11-24 1980-11-24 Echo canceller with improved double talk detection

Country Status (1)

Country Link
AU (1) AU537603B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU623658B2 (en) * 1988-06-20 1992-05-21 Nec Corporation Voice conference system using echo cancellers
AU641208B2 (en) * 1990-01-24 1993-09-16 Nec Corporation Arrangement and method for rapidly detecting double talk in long distance telephone communications system
AU653655B2 (en) * 1991-11-04 1994-10-06 Nokia Telecommunications Oy A method for non-linear signal processing in an echo canceller

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU623658B2 (en) * 1988-06-20 1992-05-21 Nec Corporation Voice conference system using echo cancellers
AU641208B2 (en) * 1990-01-24 1993-09-16 Nec Corporation Arrangement and method for rapidly detecting double talk in long distance telephone communications system
AU653655B2 (en) * 1991-11-04 1994-10-06 Nokia Telecommunications Oy A method for non-linear signal processing in an echo canceller

Also Published As

Publication number Publication date
AU6465680A (en) 1982-06-03

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