JPS56132827A - Echo canceler - Google Patents

Echo canceler

Info

Publication number
JPS56132827A
JPS56132827A JP3708580A JP3708580A JPS56132827A JP S56132827 A JPS56132827 A JP S56132827A JP 3708580 A JP3708580 A JP 3708580A JP 3708580 A JP3708580 A JP 3708580A JP S56132827 A JPS56132827 A JP S56132827A
Authority
JP
Japan
Prior art keywords
terminal
output
memory
circuit
sent out
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
JP3708580A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6251528B2 (enrdf_load_stackoverflow
Inventor
Taku Arazeki
Kazuo Ochiai
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP3708580A priority Critical patent/JPS56132827A/ja
Publication of JPS56132827A publication Critical patent/JPS56132827A/ja
Publication of JPS6251528B2 publication Critical patent/JPS6251528B2/ja
Granted legal-status Critical Current

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)
JP3708580A 1980-03-24 1980-03-24 Echo canceler Granted JPS56132827A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3708580A JPS56132827A (en) 1980-03-24 1980-03-24 Echo canceler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3708580A JPS56132827A (en) 1980-03-24 1980-03-24 Echo canceler

Publications (2)

Publication Number Publication Date
JPS56132827A true JPS56132827A (en) 1981-10-17
JPS6251528B2 JPS6251528B2 (enrdf_load_stackoverflow) 1987-10-30

Family

ID=12487707

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3708580A Granted JPS56132827A (en) 1980-03-24 1980-03-24 Echo canceler

Country Status (1)

Country Link
JP (1) JPS56132827A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5864830A (ja) * 1981-10-15 1983-04-18 Nippon Telegr & Teleph Corp <Ntt> 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
JPS58150336A (ja) * 1982-03-02 1983-09-07 Nec Corp エコ−キヤンセラ
JPS6076826A (ja) * 1983-10-03 1985-05-01 Nec Corp 反響消去装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CONFERENCE RECORD 1976 INTERNATIONAL CONFERENCE ON COMMUNICATIONS=1976 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5864830A (ja) * 1981-10-15 1983-04-18 Nippon Telegr & Teleph Corp <Ntt> 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
JPS58150336A (ja) * 1982-03-02 1983-09-07 Nec Corp エコ−キヤンセラ
JPS6076826A (ja) * 1983-10-03 1985-05-01 Nec Corp 反響消去装置

Also Published As

Publication number Publication date
JPS6251528B2 (enrdf_load_stackoverflow) 1987-10-30

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