JPS525207A - Echo suppressing - Google Patents

Echo suppressing

Info

Publication number
JPS525207A
JPS525207A JP8089775A JP8089775A JPS525207A JP S525207 A JPS525207 A JP S525207A JP 8089775 A JP8089775 A JP 8089775A JP 8089775 A JP8089775 A JP 8089775A JP S525207 A JPS525207 A JP S525207A
Authority
JP
Japan
Prior art keywords
echo suppressing
echo
eliminating
telephone communication
international telephone
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.)
Pending
Application number
JP8089775A
Other languages
Japanese (ja)
Inventor
Akira Sato
Junzo Tamura
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.)
KDDI Corp
Original Assignee
Kokusai Denshin Denwa KK
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 Kokusai Denshin Denwa KK filed Critical Kokusai Denshin Denwa KK
Priority to JP8089775A priority Critical patent/JPS525207A/en
Publication of JPS525207A publication Critical patent/JPS525207A/en
Pending 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

PURPOSE:The significant prevention of remote talk quality degradation in international telephone communication by eliminating the echo suppression characteristic degradation caused by increased residual echo or so.
JP8089775A 1975-07-02 1975-07-02 Echo suppressing Pending JPS525207A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8089775A JPS525207A (en) 1975-07-02 1975-07-02 Echo suppressing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8089775A JPS525207A (en) 1975-07-02 1975-07-02 Echo suppressing

Publications (1)

Publication Number Publication Date
JPS525207A true JPS525207A (en) 1977-01-14

Family

ID=13731143

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8089775A Pending JPS525207A (en) 1975-07-02 1975-07-02 Echo suppressing

Country Status (1)

Country Link
JP (1) JPS525207A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5839136A (en) * 1981-08-17 1983-03-07 ア−・エヌ・テ−・ナッハリヒテンテヒニ−ク・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング Digital transformer multiplexer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5839136A (en) * 1981-08-17 1983-03-07 ア−・エヌ・テ−・ナッハリヒテンテヒニ−ク・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング Digital transformer multiplexer

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