FR2671221B1 - Dispositif pour annulation de bruit acoustique. - Google Patents

Dispositif pour annulation de bruit acoustique.

Info

Publication number
FR2671221B1
FR2671221B1 FR9016316A FR9016316A FR2671221B1 FR 2671221 B1 FR2671221 B1 FR 2671221B1 FR 9016316 A FR9016316 A FR 9016316A FR 9016316 A FR9016316 A FR 9016316A FR 2671221 B1 FR2671221 B1 FR 2671221B1
Authority
FR
France
Prior art keywords
acoustic noise
canceling acoustic
canceling
noise
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 - Fee Related
Application number
FR9016316A
Other languages
English (en)
Other versions
FR2671221A1 (fr
Inventor
Vinod Kumar
Francois Robbe
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.)
Alcatel CIT SA
Original Assignee
Alcatel Radiotelephone 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 Alcatel Radiotelephone SA filed Critical Alcatel Radiotelephone SA
Priority to FR9016316A priority Critical patent/FR2671221B1/fr
Priority to AU88845/91A priority patent/AU651636B2/en
Priority to NZ24095591A priority patent/NZ240955A/xx
Publication of FR2671221A1 publication Critical patent/FR2671221A1/fr
Application granted granted Critical
Publication of FR2671221B1 publication Critical patent/FR2671221B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00—Adaptive networks
    • H03H21/0012—Digital adaptive filters
FR9016316A 1990-12-27 1990-12-27 Dispositif pour annulation de bruit acoustique. Expired - Fee Related FR2671221B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR9016316A FR2671221B1 (fr) 1990-12-27 1990-12-27 Dispositif pour annulation de bruit acoustique.
AU88845/91A AU651636B2 (en) 1990-12-27 1991-12-05 Acoustic noise cancelling device
NZ24095591A NZ240955A (en) 1990-12-27 1991-12-12 Acoustic noise cancelling for radio telephone microphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9016316A FR2671221B1 (fr) 1990-12-27 1990-12-27 Dispositif pour annulation de bruit acoustique.

Publications (2)

Publication Number Publication Date
FR2671221A1 FR2671221A1 (fr) 1992-07-03
FR2671221B1 true FR2671221B1 (fr) 1995-03-31

Family

ID=9403698

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9016316A Expired - Fee Related FR2671221B1 (fr) 1990-12-27 1990-12-27 Dispositif pour annulation de bruit acoustique.

Country Status (3)

Country Link
AU (1) AU651636B2 (fr)
FR (1) FR2671221B1 (fr)
NZ (1) NZ240955A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2760373B2 (ja) * 1995-03-03 1998-05-28 日本電気株式会社 雑音消去装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4649505A (en) * 1984-07-02 1987-03-10 General Electric Company Two-input crosstalk-resistant adaptive noise canceller
US4591669A (en) * 1984-09-26 1986-05-27 At&T Bell Laboratories Adaptive filter update gain normalization

Also Published As

Publication number Publication date
AU651636B2 (en) 1994-07-28
FR2671221A1 (fr) 1992-07-03
NZ240955A (en) 1994-04-27
AU8884591A (en) 1992-07-02

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Legal Events

Date Code Title Description
ST Notification of lapse