ATE308201T1 - Akustisches echounterdrückungsgerät - Google Patents

Akustisches echounterdrückungsgerät

Info

Publication number
ATE308201T1
ATE308201T1 AT00948012T AT00948012T ATE308201T1 AT E308201 T1 ATE308201 T1 AT E308201T1 AT 00948012 T AT00948012 T AT 00948012T AT 00948012 T AT00948012 T AT 00948012T AT E308201 T1 ATE308201 T1 AT E308201T1
Authority
AT
Austria
Prior art keywords
filter
tne
signal
subtractor
output
Prior art date
Application number
AT00948012T
Other languages
English (en)
Inventor
Ulf Lindgren
Mohan Misra
John Philipsson
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7916580&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE308201(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed filed Critical
Application granted granted Critical
Publication of ATE308201T1 publication Critical patent/ATE308201T1/de

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
    • H04B3/21—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a set of bandfilters

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)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
AT00948012T 1999-07-29 2000-07-28 Akustisches echounterdrückungsgerät ATE308201T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19935808A DE19935808A1 (de) 1999-07-29 1999-07-29 Echounterdrückungseinrichtung zum Unterdrücken von Echos in einer Sender/Empfänger-Einheit
PCT/EP2000/007321 WO2001010102A2 (en) 1999-07-29 2000-07-28 Acoustical echo cancellation device

Publications (1)

Publication Number Publication Date
ATE308201T1 true ATE308201T1 (de) 2005-11-15

Family

ID=7916580

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00948012T ATE308201T1 (de) 1999-07-29 2000-07-28 Akustisches echounterdrückungsgerät

Country Status (9)

Country Link
US (1) US6597787B1 (de)
EP (1) EP1208689B1 (de)
JP (1) JP2003506924A (de)
CN (1) CN1451225A (de)
AT (1) ATE308201T1 (de)
AU (1) AU6160800A (de)
DE (2) DE19935808A1 (de)
MY (1) MY133285A (de)
WO (1) WO2001010102A2 (de)

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CN112946608A (zh) * 2021-01-29 2021-06-11 中国科学院半导体研究所 带背景光模拟的激光目标模拟器
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Also Published As

Publication number Publication date
DE60023515D1 (de) 2005-12-01
WO2001010102A3 (en) 2002-03-14
US6597787B1 (en) 2003-07-22
AU6160800A (en) 2001-02-19
EP1208689B1 (de) 2005-10-26
DE19935808A1 (de) 2001-02-08
EP1208689A2 (de) 2002-05-29
CN1451225A (zh) 2003-10-22
MY133285A (en) 2007-10-31
WO2001010102A2 (en) 2001-02-08
JP2003506924A (ja) 2003-02-18

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