JPS59151544A - 適応形反響消去装置 - Google Patents

適応形反響消去装置

Info

Publication number
JPS59151544A
JPS59151544A JP2470683A JP2470683A JPS59151544A JP S59151544 A JPS59151544 A JP S59151544A JP 2470683 A JP2470683 A JP 2470683A JP 2470683 A JP2470683 A JP 2470683A JP S59151544 A JPS59151544 A JP S59151544A
Authority
JP
Japan
Prior art keywords
circuit
signal
tap coefficient
echo
storage circuit
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
JP2470683A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6343013B2 (enExample
Inventor
Hidenori Ito
伊藤　栄紀
Yuzo Fukushi
福士　雄三
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 JP2470683A priority Critical patent/JPS59151544A/ja
Publication of JPS59151544A publication Critical patent/JPS59151544A/ja
Publication of JPS6343013B2 publication Critical patent/JPS6343013B2/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
    • 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
    • H04B3/238—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 initial training sequence

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
JP2470683A 1983-02-18 1983-02-18 適応形反響消去装置 Granted JPS59151544A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2470683A JPS59151544A (ja) 1983-02-18 1983-02-18 適応形反響消去装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2470683A JPS59151544A (ja) 1983-02-18 1983-02-18 適応形反響消去装置

Publications (2)

Publication Number Publication Date
JPS59151544A true JPS59151544A (ja) 1984-08-30
JPS6343013B2 JPS6343013B2 (enExample) 1988-08-26

Family

ID=12145615

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2470683A Granted JPS59151544A (ja) 1983-02-18 1983-02-18 適応形反響消去装置

Country Status (1)

Country Link
JP (1) JPS59151544A (enExample)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56153850A (en) * 1980-04-28 1981-11-28 Kokusai Denshin Denwa Co Ltd <Kdd> Echo control system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56153850A (en) * 1980-04-28 1981-11-28 Kokusai Denshin Denwa Co Ltd <Kdd> Echo control system

Also Published As

Publication number Publication date
JPS6343013B2 (enExample) 1988-08-26

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