GB2126851B - Adaptive filter - Google Patents

Adaptive filter

Info

Publication number
GB2126851B
GB2126851B GB08318836A GB8318836A GB2126851B GB 2126851 B GB2126851 B GB 2126851B GB 08318836 A GB08318836 A GB 08318836A GB 8318836 A GB8318836 A GB 8318836A GB 2126851 B GB2126851 B GB 2126851B
Authority
GB
United Kingdom
Prior art keywords
adaptive filter
adaptive
filter
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
Application number
GB08318836A
Other versions
GB2126851A (en
GB8318836D0 (en
Inventor
Daniel Graupe
G Donald Causey
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.)
Individual
Original Assignee
Individual
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
Priority claimed from GB7928813A external-priority patent/GB2057228B/en
Application filed by Individual filed Critical Individual
Priority to GB08318836A priority Critical patent/GB2126851B/en
Publication of GB8318836D0 publication Critical patent/GB8318836D0/en
Publication of GB2126851A publication Critical patent/GB2126851A/en
Application granted granted Critical
Publication of GB2126851B publication Critical patent/GB2126851B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/12—Neutralising, balancing, or compensation arrangements
    • H04B1/123—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00—Adaptive networks
    • H03H21/0012—Digital adaptive filters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/43—Signal processing in hearing aids to enhance the speech intelligibility
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/50—Customised settings for obtaining desired overall acoustical characteristics
GB08318836A 1979-08-17 1983-07-12 Adaptive filter Expired GB2126851B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08318836A GB2126851B (en) 1979-08-17 1983-07-12 Adaptive filter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7928813A GB2057228B (en) 1979-08-17 1979-08-17 Method and means for adaptively filtering near-stationary noise from an information bearing signal
GB08318836A GB2126851B (en) 1979-08-17 1983-07-12 Adaptive filter

Publications (3)

Publication Number Publication Date
GB8318836D0 GB8318836D0 (en) 1983-08-10
GB2126851A GB2126851A (en) 1984-03-28
GB2126851B true GB2126851B (en) 1984-08-15

Family

ID=26272615

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08318836A Expired GB2126851B (en) 1979-08-17 1983-07-12 Adaptive filter

Country Status (1)

Country Link
GB (1) GB2126851B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8712076B2 (en) 2012-02-08 2014-04-29 Dolby Laboratories Licensing Corporation Post-processing including median filtering of noise suppression gains
US9173025B2 (en) 2012-02-08 2015-10-27 Dolby Laboratories Licensing Corporation Combined suppression of noise, echo, and out-of-location signals

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0491063B1 (en) * 1990-12-17 1995-06-21 Siemens Aktiengesellschaft Adaptive balance filter
GB2433686A (en) * 2005-12-22 2007-06-27 Red Lion 49 Ltd Amplification of filtered audio input signal
DE102011086728B4 (en) 2011-11-21 2014-06-05 Siemens Medical Instruments Pte. Ltd. Hearing apparatus with a device for reducing a microphone noise and method for reducing a microphone noise

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8712076B2 (en) 2012-02-08 2014-04-29 Dolby Laboratories Licensing Corporation Post-processing including median filtering of noise suppression gains
US9173025B2 (en) 2012-02-08 2015-10-27 Dolby Laboratories Licensing Corporation Combined suppression of noise, echo, and out-of-location signals

Also Published As

Publication number Publication date
GB2126851A (en) 1984-03-28
GB8318836D0 (en) 1983-08-10

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee