GB9907069D0 - Echo canceller and method for device having a decoder - Google Patents

Echo canceller and method for device having a decoder

Info

Publication number
GB9907069D0
GB9907069D0 GBGB9907069.0A GB9907069A GB9907069D0 GB 9907069 D0 GB9907069 D0 GB 9907069D0 GB 9907069 A GB9907069 A GB 9907069A GB 9907069 D0 GB9907069 D0 GB 9907069D0
Authority
GB
United Kingdom
Prior art keywords
decoder
echo canceller
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.)
Withdrawn
Application number
GBGB9907069.0A
Other versions
GB2336279A (en
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of GB9907069D0 publication Critical patent/GB9907069D0/en
Publication of GB2336279A publication Critical patent/GB2336279A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
    • H04M9/082—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic using 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Telephone Function (AREA)
GB9907069A 1998-03-30 1999-03-29 Echo canceller and method for device having a decoder Withdrawn GB2336279A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5078098A 1998-03-30 1998-03-30

Publications (2)

Publication Number Publication Date
GB9907069D0 true GB9907069D0 (en) 1999-05-19
GB2336279A GB2336279A (en) 1999-10-13

Family

ID=21967384

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9907069A Withdrawn GB2336279A (en) 1998-03-30 1999-03-29 Echo canceller and method for device having a decoder

Country Status (2)

Country Link
KR (1) KR19990078413A (en)
GB (1) GB2336279A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6768517B2 (en) * 2000-07-11 2004-07-27 Allen Le Roy Limberg Repetitive-PN1023-sequence echo-cancellation reference signal for single-carrier digital television broadcast systems

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4697261A (en) * 1986-09-05 1987-09-29 M/A-Com Government Systems, Inc. Linear predictive echo canceller integrated with RELP vocoder
KR960027987A (en) * 1994-12-31 1996-07-22 김광호 Coefficient setting circuit of echo canceller
JP3176825B2 (en) * 1995-07-25 2001-06-18 松下電器産業株式会社 Echo canceller device
JP3417159B2 (en) * 1995-08-11 2003-06-16 Ｋｄｄｉ株式会社 Echo canceller device
CN1111973C (en) * 1996-08-01 2003-06-18 北方电讯网络有限公司 Echo cancelling system for digital telephony applications
KR19980048460A (en) * 1996-12-17 1998-09-15 양승택 Echo Cancellation Method and Apparatus Using Linear Prediction Coefficient in Mobile Communication Systems
FR2767941A1 (en) * 1997-09-04 1999-03-05 Motorola Inc ECHO SUPPRESSOR BY SENSE TRANSFORMATION AND ASSOCIATED METHOD

Also Published As

Publication number Publication date
GB2336279A (en) 1999-10-13
KR19990078413A (en) 1999-10-25

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)