JPS5864830A - 反響消去装置単位回路およびそれを用いた反響消去装置 - Google Patents

反響消去装置単位回路およびそれを用いた反響消去装置

Info

Publication number
JPS5864830A
JPS5864830A JP16463581A JP16463581A JPS5864830A JP S5864830 A JPS5864830 A JP S5864830A JP 16463581 A JP16463581 A JP 16463581A JP 16463581 A JP16463581 A JP 16463581A JP S5864830 A JPS5864830 A JP S5864830A
Authority
JP
Japan
Prior art keywords
circuit
data
output
input
echo
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.)
Granted
Application number
JP16463581A
Other languages
English (en)
Japanese (ja)
Other versions
JPS647705B2 (OSRAM
Inventor
Kenzo Takahashi
謙三 高橋
Takashi Sakamoto
崇 坂本
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.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP16463581A priority Critical patent/JPS5864830A/ja
Priority to CA000389640A priority patent/CA1180141A/en
Priority to GB8133755A priority patent/GB2090708B/en
Priority to US06/319,783 priority patent/US4480156A/en
Priority to FR8121047A priority patent/FR2495410B1/fr
Priority to NL8105146A priority patent/NL8105146A/nl
Priority to DE19813145419 priority patent/DE3145419A1/de
Publication of JPS5864830A publication Critical patent/JPS5864830A/ja
Publication of JPS647705B2 publication Critical patent/JPS647705B2/ja
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
    • H04B3/237—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 two adaptive filters, e.g. for near end and for end echo cancelling

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
JP16463581A 1980-11-15 1981-10-15 反響消去装置単位回路およびそれを用いた反響消去装置 Granted JPS5864830A (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP16463581A JPS5864830A (ja) 1981-10-15 1981-10-15 反響消去装置単位回路およびそれを用いた反響消去装置
CA000389640A CA1180141A (en) 1980-11-15 1981-11-06 Echo canceller system
GB8133755A GB2090708B (en) 1980-11-15 1981-11-09 Echo canceller system
US06/319,783 US4480156A (en) 1980-11-15 1981-11-09 Echo canceller system
FR8121047A FR2495410B1 (fr) 1980-11-15 1981-11-10 Annuleur d'echo
NL8105146A NL8105146A (nl) 1980-11-15 1981-11-13 Echo-elimineringssysteem.
DE19813145419 DE3145419A1 (de) 1980-11-15 1981-11-16 Echoloeschsystem

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16463581A JPS5864830A (ja) 1981-10-15 1981-10-15 反響消去装置単位回路およびそれを用いた反響消去装置

Publications (2)

Publication Number Publication Date
JPS5864830A true JPS5864830A (ja) 1983-04-18
JPS647705B2 JPS647705B2 (OSRAM) 1989-02-09

Family

ID=15796940

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16463581A Granted JPS5864830A (ja) 1980-11-15 1981-10-15 反響消去装置単位回路およびそれを用いた反響消去装置

Country Status (1)

Country Link
JP (1) JPS5864830A (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS605634A (ja) * 1983-06-24 1985-01-12 Nec Corp エコ−キヤンセラ

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56132827A (en) * 1980-03-24 1981-10-17 Nec Corp Echo canceler

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56132827A (en) * 1980-03-24 1981-10-17 Nec Corp Echo canceler

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS605634A (ja) * 1983-06-24 1985-01-12 Nec Corp エコ−キヤンセラ

Also Published As

Publication number Publication date
JPS647705B2 (OSRAM) 1989-02-09

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