PL1902579T3 - Sposób i urządzenie do przetwarzania silnych ech, zwłaszcza w terminalach telefonicznych głośnomówiących - Google Patents

Sposób i urządzenie do przetwarzania silnych ech, zwłaszcza w terminalach telefonicznych głośnomówiących

Info

Publication number
PL1902579T3
PL1902579T3 PL06778788T PL06778788T PL1902579T3 PL 1902579 T3 PL1902579 T3 PL 1902579T3 PL 06778788 T PL06778788 T PL 06778788T PL 06778788 T PL06778788 T PL 06778788T PL 1902579 T3 PL1902579 T3 PL 1902579T3
Authority
PL
Poland
Prior art keywords
telephone terminals
handsfree telephone
strong echoes
processing strong
processing
Prior art date
Application number
PL06778788T
Other languages
English (en)
Inventor
Tourneur Grégoire Le
Jean-Philippe Thomas
Jean-Luc Garcia
Original Assignee
Orange
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 Orange filed Critical Orange
Publication of PL1902579T3 publication Critical patent/PL1902579T3/pl

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Telephone Function (AREA)
PL06778788T 2005-07-11 2006-07-05 Sposób i urządzenie do przetwarzania silnych ech, zwłaszcza w terminalach telefonicznych głośnomówiących PL1902579T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0507384A FR2888449A1 (fr) 2005-07-11 2005-07-11 Procede et dispositif de traitement d'echos forts, notamment dans des terminaux telephoniques en "mains libres"
EP06778788.7A EP1902579B1 (fr) 2005-07-11 2006-07-05 Procede et dispositif de traitement d'echos forts, notamment dans des terminaux telephoniques en "mains libres"
PCT/FR2006/001608 WO2007006920A1 (fr) 2005-07-11 2006-07-05 Procede et dispositif de traitement d'echos forts, notamment dans des terminaux telephoniques en 'mains libres'

Publications (1)

Publication Number Publication Date
PL1902579T3 true PL1902579T3 (pl) 2015-11-30

Family

ID=36158809

Family Applications (1)

Application Number Title Priority Date Filing Date
PL06778788T PL1902579T3 (pl) 2005-07-11 2006-07-05 Sposób i urządzenie do przetwarzania silnych ech, zwłaszcza w terminalach telefonicznych głośnomówiących

Country Status (5)

Country Link
EP (1) EP1902579B1 (pl)
ES (1) ES2547246T3 (pl)
FR (1) FR2888449A1 (pl)
PL (1) PL1902579T3 (pl)
WO (1) WO2007006920A1 (pl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108733340B (zh) * 2018-04-26 2021-02-26 复旦大学 移动终端声音功能的动态访问控制系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19517469A1 (de) * 1995-05-12 1996-11-14 Sel Alcatel Ag Freisprechverfahren für ein mehrkanaliges Übertragungssystem
US6125179A (en) * 1995-12-13 2000-09-26 3Com Corporation Echo control device with quick response to sudden echo-path change
US6836547B2 (en) * 2001-12-20 2004-12-28 Motorol, Inc. Protecting an echo canceller against random transitions in echo paths

Also Published As

Publication number Publication date
EP1902579A1 (fr) 2008-03-26
ES2547246T3 (es) 2015-10-02
WO2007006920A1 (fr) 2007-01-18
FR2888449A1 (fr) 2007-01-12
EP1902579B1 (fr) 2015-06-17

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