DK0565686T3 - Fremgangsmåde til at forhindre divergens af en adaptiv ekkoundertrykker i et støjfyldt signalmiljø - Google Patents

Fremgangsmåde til at forhindre divergens af en adaptiv ekkoundertrykker i et støjfyldt signalmiljø

Info

Publication number
DK0565686T3
DK0565686T3 DK92922704.9T DK92922704T DK0565686T3 DK 0565686 T3 DK0565686 T3 DK 0565686T3 DK 92922704 T DK92922704 T DK 92922704T DK 0565686 T3 DK0565686 T3 DK 0565686T3
Authority
DK
Denmark
Prior art keywords
echo
preventing
noisy signal
adaptive echo
echo suppressor
Prior art date
Application number
DK92922704.9T
Other languages
Danish (da)
English (en)
Inventor
Heimo Laehdemaeki
Original Assignee
Nokia Telecommunications Oy
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 Nokia Telecommunications Oy filed Critical Nokia Telecommunications Oy
Application granted granted Critical
Publication of DK0565686T3 publication Critical patent/DK0565686T3/da

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/02Details
    • H04B3/20Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H04B3/23Reducing 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)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Exhaust Silencers (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
DK92922704.9T 1991-11-04 1992-10-28 Fremgangsmåde til at forhindre divergens af en adaptiv ekkoundertrykker i et støjfyldt signalmiljø DK0565686T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI915198A FI97657C (fi) 1991-11-04 1991-11-04 Menetelmä adaptiivisen kaiunpoistajan divergoinnin estämiseksi kohinaisessa signaaliympäristössä

Publications (1)

Publication Number Publication Date
DK0565686T3 true DK0565686T3 (da) 1998-05-11

Family

ID=8533424

Family Applications (1)

Application Number Title Priority Date Filing Date
DK92922704.9T DK0565686T3 (da) 1991-11-04 1992-10-28 Fremgangsmåde til at forhindre divergens af en adaptiv ekkoundertrykker i et støjfyldt signalmiljø

Country Status (10)

Country Link
EP (1) EP0565686B1 (ja)
JP (1) JPH06503456A (ja)
AT (1) ATE164035T1 (ja)
AU (1) AU657372B2 (ja)
DE (1) DE69224735T2 (ja)
DK (1) DK0565686T3 (ja)
ES (1) ES2113440T3 (ja)
FI (1) FI97657C (ja)
NO (1) NO304865B1 (ja)
WO (1) WO1993009608A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08500757A (ja) * 1992-12-30 1996-01-30 シュナイダー・(ユーエスエイ)・インコーポレーテッド 身体に移植可能なステントを展開する装置
SE505152C2 (sv) * 1995-10-11 1997-07-07 Ericsson Telefon Ab L M Adaptivt ekosläckningsförfarande

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6053336A (ja) * 1983-09-02 1985-03-27 Nec Corp 反響消去装置
US4645883A (en) * 1984-05-09 1987-02-24 Communications Satellite Corporation Double talk and line noise detector for a echo canceller
US4712235A (en) * 1984-11-19 1987-12-08 International Business Machines Corporation Method and apparatus for improved control and time sharing of an echo canceller

Also Published As

Publication number Publication date
ATE164035T1 (de) 1998-03-15
FI915198A0 (fi) 1991-11-04
DE69224735T2 (de) 1998-10-01
FI97657C (fi) 1997-01-27
FI97657B (fi) 1996-10-15
AU657372B2 (en) 1995-03-09
AU2890392A (en) 1993-06-07
WO1993009608A1 (en) 1993-05-13
DE69224735D1 (de) 1998-04-16
NO932188L (no) 1993-09-01
NO932188D0 (no) 1993-06-14
ES2113440T3 (es) 1998-05-01
FI915198A (fi) 1993-05-05
NO304865B1 (no) 1999-02-22
EP0565686A1 (en) 1993-10-20
JPH06503456A (ja) 1994-04-14
EP0565686B1 (en) 1998-03-11

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