FI915198A0 - Förfarande för att förhindra divergering av en adaptiv ekosläckare i ett brusigt signalområde - Google Patents

Förfarande för att förhindra divergering av en adaptiv ekosläckare i ett brusigt signalområde

Info

Publication number
FI915198A0
FI915198A0 FI915198A FI915198A FI915198A0 FI 915198 A0 FI915198 A0 FI 915198A0 FI 915198 A FI915198 A FI 915198A FI 915198 A FI915198 A FI 915198A FI 915198 A0 FI915198 A0 FI 915198A0
Authority
FI
Finland
Prior art keywords
echo
signal range
preventing
noisy signal
adaptive echo
Prior art date
Application number
FI915198A
Other languages
English (en)
Finnish (fi)
Other versions
FI97657C (sv
FI915198A (sv
FI97657B (sv
Inventor
Heimo Laehdemaeki
Original Assignee
Telenokia 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 Telenokia Oy filed Critical Telenokia Oy
Publication of FI915198A0 publication Critical patent/FI915198A0/sv
Priority to FI915198A priority Critical patent/FI97657C/sv
Priority to DK92922704.9T priority patent/DK0565686T3/da
Priority to JP5505822A priority patent/JPH06503456A/ja
Priority to AT92922704T priority patent/ATE164035T1/de
Priority to PCT/FI1992/000285 priority patent/WO1993009608A1/en
Priority to DE69224735T priority patent/DE69224735T2/de
Priority to ES92922704T priority patent/ES2113440T3/es
Priority to EP92922704A priority patent/EP0565686B1/en
Priority to AU28903/92A priority patent/AU657372B2/en
Publication of FI915198A publication Critical patent/FI915198A/sv
Priority to NO932188A priority patent/NO304865B1/no
Priority to US08/387,619 priority patent/US5477535A/en
Application granted granted Critical
Publication of FI97657B publication Critical patent/FI97657B/sv
Publication of FI97657C publication Critical patent/FI97657C/sv

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)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Filters That Use Time-Delay Elements (AREA)
FI915198A 1991-11-04 1991-11-04 Förfarande för att förhindra divergering av en adaptiv ekosläckare i ett brusigt signalområde FI97657C (sv)

Priority Applications (11)

Application Number Priority Date Filing Date Title
FI915198A FI97657C (sv) 1991-11-04 1991-11-04 Förfarande för att förhindra divergering av en adaptiv ekosläckare i ett brusigt signalområde
ES92922704T ES2113440T3 (es) 1991-11-04 1992-10-28 Metodo para impedir la divergencia de un cancelador de eco adaptivo en un ambiente de señal con ruido.
AU28903/92A AU657372B2 (en) 1991-11-04 1992-10-28 A method of preventing a divergence of an adaptive echo canceller in a noisy signal environment
AT92922704T ATE164035T1 (de) 1991-11-04 1992-10-28 Verfahren zur vermeidung der divergenz eines adaptiven echokompensators in einer rauschbehafteten signalumgebung
PCT/FI1992/000285 WO1993009608A1 (en) 1991-11-04 1992-10-28 A method of preventing a divergence of an adaptive echo canceller in a noisy signal environment
DE69224735T DE69224735T2 (de) 1991-11-04 1992-10-28 Verfahren zur vermeidung der divergenz eines adaptiven echokompensators in einer rauschbehafteten signalumgebung
DK92922704.9T DK0565686T3 (da) 1991-11-04 1992-10-28 Fremgangsmåde til at forhindre divergens af en adaptiv ekkoundertrykker i et støjfyldt signalmiljø
EP92922704A EP0565686B1 (en) 1991-11-04 1992-10-28 A method of preventing a divergence of an adaptive echo canceller in a noisy signal environment
JP5505822A JPH06503456A (ja) 1991-11-04 1992-10-28 ノイズ信号の環境における適応性エコーキャンセラーの発散防止方法
NO932188A NO304865B1 (no) 1991-11-04 1993-06-14 FremgangsmÕte for Õ styre en adapsjon av en adaptiv ekkosperre til en ekkobane i omgivelser med signalst°y
US08/387,619 US5477535A (en) 1991-11-04 1995-02-13 Method of preventing a divergence of an adaptive echo canceller in a noisy signal environment

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI915198A FI97657C (sv) 1991-11-04 1991-11-04 Förfarande för att förhindra divergering av en adaptiv ekosläckare i ett brusigt signalområde
FI915198 1991-11-04

Publications (4)

Publication Number Publication Date
FI915198A0 true FI915198A0 (sv) 1991-11-04
FI915198A FI915198A (sv) 1993-05-05
FI97657B FI97657B (sv) 1996-10-15
FI97657C FI97657C (sv) 1997-01-27

Family

ID=8533424

Family Applications (1)

Application Number Title Priority Date Filing Date
FI915198A FI97657C (sv) 1991-11-04 1991-11-04 Förfarande för att förhindra divergering av en adaptiv ekosläckare i ett brusigt signalområde

Country Status (10)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994015549A1 (en) * 1992-12-30 1994-07-21 Schneider (Usa) Inc. Apparatus for deploying body implantable stents
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
FI97657C (sv) 1997-01-27
DK0565686T3 (da) 1998-05-11
NO932188L (no) 1993-09-01
AU657372B2 (en) 1995-03-09
EP0565686B1 (en) 1998-03-11
DE69224735T2 (de) 1998-10-01
EP0565686A1 (en) 1993-10-20
NO304865B1 (no) 1999-02-22
FI915198A (sv) 1993-05-05
ES2113440T3 (es) 1998-05-01
FI97657B (sv) 1996-10-15
DE69224735D1 (de) 1998-04-16
JPH06503456A (ja) 1994-04-14
NO932188D0 (no) 1993-06-14
AU2890392A (en) 1993-06-07
WO1993009608A1 (en) 1993-05-13

Similar Documents

Publication Publication Date Title
FI962562A0 (sv) Ekodämpare samt olinjär processor för en ekosläckaEkodämpare samt olinjär processor för en ekosläckare re
DK0542882T3 (da) Restekkoeliminering
SE9504520L (sv) Förfarande och anordning för ekosläckning genom skattning av effekt hos residualsignal
US5274705A (en) Nonlinear processor for an echo canceller and method
DE69636570D1 (de) Echokompensation und -unterdrückung
NO20023569D0 (no) System og fremgangsmåte for bruk av ekkodemper
ATE293308T1 (de) Cdma vielfachzugriffsstörungsunterdrückung unter verwendung von signalschätzung
MY133285A (en) Echo cancellation device for cancelling echos in a transceiver unit
KR920011292A (ko) 음성 스위칭 장치내의 음향 보정 회로 및 그 방법
FI915198A0 (sv) Förfarande för att förhindra divergering av en adaptiv ekosläckare i ett brusigt signalområde
ATE244472T1 (de) Verfahren und empfänger zur interferenzunterdrückung
ATE147211T1 (de) Verfahren zur nichtlinearen signalverarbeitung in einem echokompensator
ATE179849T1 (de) Verfahren zum vermeiden von eigenschwingungen in zusammenhang mit echokompensation
DE59309181D1 (de) Verfahren zum Verbessern der akustischen Rückhördämpfung von elektroakustischen Anlagen
DE3867676D1 (de) Verfahren und schaltungsanordnung zur einstellung der teilnehmerleitungs-nachbildungsimpedanzen von programmierbaren gabelschaltung.
JPS57129033A (en) Echo suppressor
RU93005354A (ru) Подавление отраженных сигналов с пропорциональной оперативной проверкой чувствительности с помощью шумового сигнала
JPS6253089B2 (sv)
MX9605354A (es) Metodo y aparato para reducir el eco residual del extremo lejano en redes de comunicacion de voz.
TH29957A (th) เครื่องระงับเสียงสะท้อน และตัวประมวลผลแบบไม่เป็นเชิงเส้นของเครื่องยกเลิกเสียงสะท้อน

Legal Events

Date Code Title Description
BB Publication of examined application