JPS60107928A - エコ−キヤンセラ− - Google Patents

エコ−キヤンセラ−

Info

Publication number
JPS60107928A
JPS60107928A JP21520983A JP21520983A JPS60107928A JP S60107928 A JPS60107928 A JP S60107928A JP 21520983 A JP21520983 A JP 21520983A JP 21520983 A JP21520983 A JP 21520983A JP S60107928 A JPS60107928 A JP S60107928A
Authority
JP
Japan
Prior art keywords
tap
value
tap coefficients
arithmetic
echo canceller
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
JP21520983A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6366093B2 (OSRAM
Inventor
Yoshiaki Tanaka
良紀 田中
Shigeyuki Umigami
重之 海上
Masami Koshikawa
越川　雅美
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 true JPS60107928A (ja) 1985-06-13
JPS6366093B2 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)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62107533A (ja) * 1985-10-30 1987-05-18 インターナショナル　ビジネス　マシーンズ　コーポレーション 伝送回路網
KR20040008081A (ko) * 2002-07-17 2004-01-28 마츠시타 덴끼 산교 가부시키가이샤 파형등화장치 및 시프트레지스터
WO2012117655A1 (ja) * 2011-03-02 2012-09-07 パナソニック株式会社 波形等化装置

Citations (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

Patent Citations (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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62107533A (ja) * 1985-10-30 1987-05-18 インターナショナル　ビジネス　マシーンズ　コーポレーション 伝送回路網
KR20040008081A (ko) * 2002-07-17 2004-01-28 마츠시타 덴끼 산교 가부시키가이샤 파형등화장치 및 시프트레지스터
WO2012117655A1 (ja) * 2011-03-02 2012-09-07 パナソニック株式会社 波形等化装置

Also Published As

Publication number Publication date
JPS6366093B2 (OSRAM) 1988-12-19

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