JPS6366093B2 - - Google Patents

Info

Publication number
JPS6366093B2
JPS6366093B2 JP58215209A JP21520983A JPS6366093B2 JP S6366093 B2 JPS6366093 B2 JP S6366093B2 JP 58215209 A JP58215209 A JP 58215209A JP 21520983 A JP21520983 A JP 21520983A JP S6366093 B2 JPS6366093 B2 JP S6366093B2
Authority
JP
Japan
Prior art keywords
tap
tap coefficient
echo canceller
value
section
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.)
Expired
Application number
JP58215209A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60107928A (ja
Inventor
Yoshiaki Tanaka
Shigeyuki Umigami
Masami Koshikawa
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP21520983A priority Critical patent/JPS60107928A/ja
Publication of JPS60107928A publication Critical patent/JPS60107928A/ja
Publication of JPS6366093B2 publication Critical patent/JPS6366093B2/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)
  • Filters That Use Time-Delay Elements (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
JP21520983A 1983-11-16 1983-11-16 エコ−キヤンセラ− Granted JPS60107928A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21520983A JPS60107928A (ja) 1983-11-16 1983-11-16 エコ−キヤンセラ−

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21520983A JPS60107928A (ja) 1983-11-16 1983-11-16 エコ−キヤンセラ−

Publications (2)

Publication Number Publication Date
JPS60107928A JPS60107928A (ja) 1985-06-13
JPS6366093B2 true JPS6366093B2 (OSRAM) 1988-12-19

Family

ID=16668497

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21520983A Granted JPS60107928A (ja) 1983-11-16 1983-11-16 エコ−キヤンセラ−

Country Status (1)

Country Link
JP (1) JPS60107928A (OSRAM)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0221221B1 (en) * 1985-10-30 1991-12-27 International Business Machines Corporation A process for determining an echo path flat delay and echo canceler using said process
JP4392153B2 (ja) * 2002-07-17 2009-12-24 パナソニック株式会社 波形等化装置
JP2012182694A (ja) * 2011-03-02 2012-09-20 Panasonic Corp 波形等化装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5225516A (en) * 1975-08-22 1977-02-25 Kokusai Denshin Denwa Co Ltd <Kdd> Echo eraser unit

Also Published As

Publication number Publication date
JPS60107928A (ja) 1985-06-13

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