AU651636B2 - Acoustic noise cancelling device - Google Patents

Acoustic noise cancelling device

Info

Publication number
AU651636B2
AU651636B2 AU88845/91A AU8884591A AU651636B2 AU 651636 B2 AU651636 B2 AU 651636B2 AU 88845/91 A AU88845/91 A AU 88845/91A AU 8884591 A AU8884591 A AU 8884591A AU 651636 B2 AU651636 B2 AU 651636B2
Authority
AU
Australia
Prior art keywords
acoustic noise
noise cancelling
cancelling device
acoustic
noise
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.)
Ceased
Application number
AU88845/91A
Other versions
AU8884591A (en
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 Lucent NV
Original Assignee
Alcatel NV
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 NV filed Critical Alcatel NV
Publication of AU8884591A publication Critical patent/AU8884591A/en
Application granted granted Critical
Publication of AU651636B2 publication Critical patent/AU651636B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00Adaptive networks
    • H03H21/0012Digital adaptive filters
AU88845/91A 1990-12-27 1991-12-05 Acoustic noise cancelling device Ceased AU651636B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9016316 1990-12-27
FR9016316A FR2671221B1 (en) 1990-12-27 1990-12-27 DEVICE FOR CANCELING ACOUSTIC NOISE.

Publications (2)

Publication Number Publication Date
AU8884591A AU8884591A (en) 1992-07-02
AU651636B2 true AU651636B2 (en) 1994-07-28

Family

ID=9403698

Family Applications (1)

Application Number Title Priority Date Filing Date
AU88845/91A Ceased AU651636B2 (en) 1990-12-27 1991-12-05 Acoustic noise cancelling device

Country Status (3)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2760373B2 (en) * 1995-03-03 1998-05-28 日本電気株式会社 Noise canceller

Citations (1)

* 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

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4591669A (en) * 1984-09-26 1986-05-27 At&T Bell Laboratories Adaptive filter update gain normalization

Patent Citations (1)

* 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

Also Published As

Publication number Publication date
AU8884591A (en) 1992-07-02
NZ240955A (en) 1994-04-27
FR2671221B1 (en) 1995-03-31
FR2671221A1 (en) 1992-07-03

Similar Documents

Publication Publication Date Title
AU7440191A (en) Noise suppression system
AU1875983A (en) Acoustic sensor noise cancellation
EP0443547A3 (en) Sub-band acoustic echo canceller
AU4235996A (en) Noise cancellation apparatus
EP0465174A3 (en) Adaptive active noise cancellation apparatus
GB9225212D0 (en) Adaptive noise cancellation device
IL106984A0 (en) Noise cancellation apparatus
AU7570791A (en) Acoustic search device
EP0454341A3 (en) An active noise cancellation apparatus
AU7942291A (en) Device operable with an excellent spectrum suppression
AU3965893A (en) Noise cancellation device for centrifugal blower
AU8723991A (en) Sound output device
AU1166492A (en) Noise attenuation panel
EP0454342A3 (en) An active noise cancellation apparatus
EP0405331A3 (en) Acoustic sensing device with noise cancellation
AU6927891A (en) Voice signal processing device
EP0471083A4 (en) Speaking device having hand-free conversational function
EP0456499A3 (en) Noise cancellation
AU644124B2 (en) Voice signal processing device
GB2348774B (en) Electro-acoustic transducers
AU7307591A (en) Noise making device
AU651636B2 (en) Acoustic noise cancelling device
GB9111775D0 (en) Sound output device
AU9089091A (en) Acoustic device
AU652722B2 (en) Noise suppression system

Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired