DE69330902D1 - Echokompensator, Nachrichtenübertragungssystem und Station mit solch einem Echokompensator - Google Patents

Echokompensator, Nachrichtenübertragungssystem und Station mit solch einem Echokompensator

Info

Publication number
DE69330902D1
DE69330902D1 DE69330902T DE69330902T DE69330902D1 DE 69330902 D1 DE69330902 D1 DE 69330902D1 DE 69330902 T DE69330902 T DE 69330902T DE 69330902 T DE69330902 T DE 69330902T DE 69330902 D1 DE69330902 D1 DE 69330902D1
Authority
DE
Germany
Prior art keywords
echo canceller
station
communication system
canceller
echo
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 - Fee Related
Application number
DE69330902T
Other languages
English (en)
Other versions
DE69330902T2 (de
Inventor
Marianne Kerguiduff
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE69330902D1 publication Critical patent/DE69330902D1/de
Application granted granted Critical
Publication of DE69330902T2 publication Critical patent/DE69330902T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/015—Reducing echo effects
    • 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
    • H04B3/234—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 double talk detection
    • 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)
DE69330902T 1992-11-25 1993-11-17 Echokompensator, Nachrichtenübertragungssystem und Station mit solch einem Echokompensator Expired - Fee Related DE69330902T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9214187 1992-11-25

Publications (2)

Publication Number Publication Date
DE69330902D1 true DE69330902D1 (de) 2001-11-15
DE69330902T2 DE69330902T2 (de) 2002-06-20

Family

ID=9435905

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69330902T Expired - Fee Related DE69330902T2 (de) 1992-11-25 1993-11-17 Echokompensator, Nachrichtenübertragungssystem und Station mit solch einem Echokompensator

Country Status (6)

Country Link
US (1) US5414767A (de)
EP (1) EP0599402B1 (de)
JP (1) JP3644692B2 (de)
KR (1) KR100312927B1 (de)
DE (1) DE69330902T2 (de)
TW (1) TW401662B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5636272A (en) * 1995-05-30 1997-06-03 Ericsson Inc. Apparatus amd method for increasing the intelligibility of a loudspeaker output and for echo cancellation in telephones
US5787165A (en) * 1996-12-13 1998-07-28 Ericsson Inc. Handsfree radiotelephone having dynamic path attenuation control for echo suppression
US6563863B1 (en) * 1998-06-22 2003-05-13 Ati International Srl Computer modem
KR100300306B1 (ko) * 1999-05-28 2001-09-26 윤종용 무선통신 시스템에서 채널 적응형 맵 채널 복호 장치 및 방법
US6577639B1 (en) 1999-06-01 2003-06-10 Ati International Srl Reducing modem transmit latency
US7689637B1 (en) * 2000-05-04 2010-03-30 Koninklijke Philips Electronics N.V. Adaptive filtering method and related device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2518853A1 (fr) * 1981-12-23 1983-06-24 Cit Alcatel Annuleur numerique d'echos
US4868874A (en) * 1986-04-18 1989-09-19 Hitachi, Ltd. Echo canceller
JPH0813013B2 (ja) * 1986-08-19 1996-02-07 株式会社日立製作所 エコ−キヤンセラ−
GB2240452A (en) * 1990-01-10 1991-07-31 Motorola Inc Echo canceller has plurality of sub-band channels each with its own adaptive filter
JP2836277B2 (ja) * 1991-03-14 1998-12-14 国際電信電話株式会社 エコーキャンセル装置
FR2674389B1 (fr) * 1991-03-20 1993-07-23 France Telecom Dispositif d'asservissement de la convergence d'un annuleur d'echo d'un signal numerique de parole.
KR930011475A (ko) * 1991-11-26 1993-06-24 정용문 차량 전화기의 에코제거 회로 및 방식

Also Published As

Publication number Publication date
JPH06216812A (ja) 1994-08-05
EP0599402B1 (de) 2001-10-10
US5414767A (en) 1995-05-09
EP0599402A1 (de) 1994-06-01
TW401662B (en) 2000-08-11
JP3644692B2 (ja) 2005-05-11
DE69330902T2 (de) 2002-06-20
KR100312927B1 (ko) 2001-12-28
KR940012909A (ko) 1994-06-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee