DE69616517D1 - Vorrichtung und verfahren zur kompensation von akustischen echos einschliesslich nicht-linearen verzerrungen in lautsprechertelefonen - Google Patents

Vorrichtung und verfahren zur kompensation von akustischen echos einschliesslich nicht-linearen verzerrungen in lautsprechertelefonen

Info

Publication number
DE69616517D1
DE69616517D1 DE69616517T DE69616517T DE69616517D1 DE 69616517 D1 DE69616517 D1 DE 69616517D1 DE 69616517 T DE69616517 T DE 69616517T DE 69616517 T DE69616517 T DE 69616517T DE 69616517 D1 DE69616517 D1 DE 69616517D1
Authority
DE
Germany
Prior art keywords
including non
linear distortions
compensating acoustic
speaker telephones
acoustic echos
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
DE69616517T
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English (en)
Other versions
DE69616517T2 (de
Inventor
Wilkinson Dent
W Solve
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.)
Ericsson Inc
Original Assignee
Ericsson 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 Inc filed Critical Ericsson Inc
Application granted granted Critical
Publication of DE69616517D1 publication Critical patent/DE69616517D1/de
Publication of DE69616517T2 publication Critical patent/DE69616517T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
DE69616517T 1995-02-24 1996-02-20 Vorrichtung und verfahren zur kompensation von akustischen echos einschliesslich nicht-linearen verzerrungen in lautsprechertelefonen Expired - Fee Related DE69616517T2 (de)

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 (2)

Publication Number Publication Date
DE69616517D1 true DE69616517D1 (de) 2001-12-06
DE69616517T2 DE69616517T2 (de) 2002-05-02

Family

ID=23555920

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69616517T Expired - Fee Related DE69616517T2 (de) 1995-02-24 1996-02-20 Vorrichtung und verfahren zur kompensation von akustischen echos einschliesslich nicht-linearen verzerrungen in lautsprechertelefonen

Country Status (12)

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

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Also Published As

Publication number Publication date
JPH11501171A (ja) 1999-01-26
WO1996026592A1 (en) 1996-08-29
FI973460A0 (fi) 1997-08-22
DE69616517T2 (de) 2002-05-02
ES2163005T3 (es) 2002-01-16
KR19980702166A (ko) 1998-07-15
EP0811288A1 (de) 1997-12-10
AU694622B2 (en) 1998-07-23
EP0811288B1 (de) 2001-10-31
CN1176034A (zh) 1998-03-11
FI973460A (fi) 1997-10-23
FI111310B (fi) 2003-06-30
US5680450A (en) 1997-10-21
CA2211994A1 (en) 1996-08-29
CA2211994C (en) 2005-08-02
BR9607284A (pt) 1998-06-23
AU4925296A (en) 1996-09-11
KR100400683B1 (ko) 2003-11-14

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