FR2792146B1 - METHOD FOR SUPPRESSING ACOUSTIC ECHO FROM AN AUDIO SIGNAL, PARTICULARLY IN THE SIGNAL RECEIVED BY A MICROPHONE - Google Patents

METHOD FOR SUPPRESSING ACOUSTIC ECHO FROM AN AUDIO SIGNAL, PARTICULARLY IN THE SIGNAL RECEIVED BY A MICROPHONE

Info

Publication number
FR2792146B1
FR2792146B1 FR9904329A FR9904329A FR2792146B1 FR 2792146 B1 FR2792146 B1 FR 2792146B1 FR 9904329 A FR9904329 A FR 9904329A FR 9904329 A FR9904329 A FR 9904329A FR 2792146 B1 FR2792146 B1 FR 2792146B1
Authority
FR
France
Prior art keywords
microphone
acoustic echo
audio signal
signal received
suppressing acoustic
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 - Lifetime
Application number
FR9904329A
Other languages
French (fr)
Other versions
FR2792146A1 (en
Inventor
Majdi Zarkouna
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.)
Faurecia Clarion Electronics Europe SAS
Original Assignee
Parrot SA
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 Parrot SA filed Critical Parrot SA
Priority to FR9904329A priority Critical patent/FR2792146B1/en
Publication of FR2792146A1 publication Critical patent/FR2792146A1/en
Application granted granted Critical
Publication of FR2792146B1 publication Critical patent/FR2792146B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
FR9904329A 1999-04-07 1999-04-07 METHOD FOR SUPPRESSING ACOUSTIC ECHO FROM AN AUDIO SIGNAL, PARTICULARLY IN THE SIGNAL RECEIVED BY A MICROPHONE Expired - Lifetime FR2792146B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9904329A FR2792146B1 (en) 1999-04-07 1999-04-07 METHOD FOR SUPPRESSING ACOUSTIC ECHO FROM AN AUDIO SIGNAL, PARTICULARLY IN THE SIGNAL RECEIVED BY A MICROPHONE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9904329A FR2792146B1 (en) 1999-04-07 1999-04-07 METHOD FOR SUPPRESSING ACOUSTIC ECHO FROM AN AUDIO SIGNAL, PARTICULARLY IN THE SIGNAL RECEIVED BY A MICROPHONE

Publications (2)

Publication Number Publication Date
FR2792146A1 FR2792146A1 (en) 2000-10-13
FR2792146B1 true FR2792146B1 (en) 2001-05-25

Family

ID=9544113

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9904329A Expired - Lifetime FR2792146B1 (en) 1999-04-07 1999-04-07 METHOD FOR SUPPRESSING ACOUSTIC ECHO FROM AN AUDIO SIGNAL, PARTICULARLY IN THE SIGNAL RECEIVED BY A MICROPHONE

Country Status (1)

Country Link
FR (1) FR2792146B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2946486B1 (en) 2009-06-09 2012-04-20 Parrot METHOD FOR DETECTING A DOUBLE SPEECH SITUATION FOR HANDS-FREE TELEPHONE DEVICE
FR2974655B1 (en) 2011-04-26 2013-12-20 Parrot MICRO / HELMET AUDIO COMBINATION COMPRISING MEANS FOR DEBRISING A NEARBY SPEECH SIGNAL, IN PARTICULAR FOR A HANDS-FREE TELEPHONY SYSTEM.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5428562A (en) * 1993-09-03 1995-06-27 At&T Corp. Fast converging adaptive filter
US5734715A (en) * 1995-09-13 1998-03-31 France Telecom Process and device for adaptive identification and adaptive echo canceller relating thereto

Also Published As

Publication number Publication date
FR2792146A1 (en) 2000-10-13

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Legal Events

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PLFP Fee payment

Year of fee payment: 17

TP Transmission of property

Owner name: PARROT AUTOMOTIVE, FR

Effective date: 20151201

PLFP Fee payment

Year of fee payment: 18

PLFP Fee payment

Year of fee payment: 19

PLFP Fee payment

Year of fee payment: 20