BR9607284A - Aparelho e método para cancelar ecos acústicos incluindo distorçoes nao-lineares em telefones com alto-falantes - Google Patents

Aparelho e método para cancelar ecos acústicos incluindo distorçoes nao-lineares em telefones com alto-falantes

Info

Publication number
BR9607284A
BR9607284A BR9607284A BR9607284A BR9607284A BR 9607284 A BR9607284 A BR 9607284A BR 9607284 A BR9607284 A BR 9607284A BR 9607284 A BR9607284 A BR 9607284A BR 9607284 A BR9607284 A BR 9607284A
Authority
BR
Brazil
Prior art keywords
speakers
phones
including non
linear distortions
acoustic echoes
Prior art date
Application number
BR9607284A
Other languages
English (en)
Inventor
Torbjorn W Solve
Paul Wilkinson Dent
Original Assignee
Ericsson Ge Mobile 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 Ericsson Ge Mobile Inc filed Critical Ericsson Ge Mobile Inc
Publication of BR9607284A publication Critical patent/BR9607284A/pt

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Function (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
BR9607284A 1995-02-24 1996-02-20 Aparelho e método para cancelar ecos acústicos incluindo distorçoes nao-lineares em telefones com alto-falantes BR9607284A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/393,711 US5680450A (en) 1995-02-24 1995-02-24 Apparatus and method for canceling acoustic echoes including non-linear distortions in loudspeaker telephones
PCT/US1996/002073 WO1996026592A1 (en) 1995-02-24 1996-02-20 Apparatus and method for canceling acoustic echoes including non-linear distortions in loudspeaker telephones

Publications (1)

Publication Number Publication Date
BR9607284A true BR9607284A (pt) 1998-06-23

Family

ID=23555920

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9607284A BR9607284A (pt) 1995-02-24 1996-02-20 Aparelho e método para cancelar ecos acústicos incluindo distorçoes nao-lineares em telefones com alto-falantes

Country Status (12)

Country Link
US (1) US5680450A (pt)
EP (1) EP0811288B1 (pt)
JP (1) JPH11501171A (pt)
KR (1) KR100400683B1 (pt)
CN (1) CN1176034A (pt)
AU (1) AU694622B2 (pt)
BR (1) BR9607284A (pt)
CA (1) CA2211994C (pt)
DE (1) DE69616517T2 (pt)
ES (1) ES2163005T3 (pt)
FI (1) FI111310B (pt)
WO (1) WO1996026592A1 (pt)

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Also Published As

Publication number Publication date
JPH11501171A (ja) 1999-01-26
AU694622B2 (en) 1998-07-23
CA2211994C (en) 2005-08-02
US5680450A (en) 1997-10-21
FI973460A (fi) 1997-10-23
ES2163005T3 (es) 2002-01-16
AU4925296A (en) 1996-09-11
CA2211994A1 (en) 1996-08-29
DE69616517T2 (de) 2002-05-02
CN1176034A (zh) 1998-03-11
KR19980702166A (ko) 1998-07-15
DE69616517D1 (de) 2001-12-06
FI111310B (fi) 2003-06-30
WO1996026592A1 (en) 1996-08-29
FI973460A0 (fi) 1997-08-22
EP0811288A1 (en) 1997-12-10
EP0811288B1 (en) 2001-10-31
KR100400683B1 (ko) 2003-11-14

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