AU764316C - Apparatus for noise reduction, particulary in hearing aids - Google Patents

Apparatus for noise reduction, particulary in hearing aids

Info

Publication number
AU764316C
AU764316C AU78269/01A AU7826901A AU764316C AU 764316 C AU764316 C AU 764316C AU 78269/01 A AU78269/01 A AU 78269/01A AU 7826901 A AU7826901 A AU 7826901A AU 764316 C AU764316 C AU 764316C
Authority
AU
Australia
Prior art keywords
particulary
noise reduction
hearing aids
hearing
aids
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
AU78269/01A
Other versions
AU7826901A (en
AU764316B2 (en
Inventor
Robert Brennan
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.)
Emma Mixed Signal CV
Original Assignee
Dspfactory Ltd
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 AU69155/98A external-priority patent/AU740951C/en
Application filed by Dspfactory Ltd filed Critical Dspfactory Ltd
Priority to AU78269/01A priority Critical patent/AU764316C/en
Publication of AU7826901A publication Critical patent/AU7826901A/en
Publication of AU764316B2 publication Critical patent/AU764316B2/en
Application granted granted Critical
Publication of AU764316C publication Critical patent/AU764316C/en
Assigned to EMMA MIXED SIGNAL C.V. reassignment EMMA MIXED SIGNAL C.V. Alteration of Name(s) in Register under S187 Assignors: DSPFACTORY LTD.
Anticipated expiration legal-status Critical
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04R25/35—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using translation techniques
    • H04R25/356—Amplitude, e.g. amplitude shift or compression
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/005—Combinations of two or more types of control, e.g. gain control and tone control of digital or coded signals
    • 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
    • H04R25/505—Customised settings for obtaining desired overall acoustical characteristics using digital signal processing

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
AU78269/01A 1997-04-16 2001-10-08 Apparatus for noise reduction, particulary in hearing aids Expired AU764316C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU78269/01A AU764316C (en) 1997-04-16 2001-10-08 Apparatus for noise reduction, particulary in hearing aids

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US60/041991 1997-04-16
AU69155/98A AU740951C (en) 1997-04-16 1998-04-16 Method for Noise Reduction, Particularly in Hearing Aids
AU78269/01A AU764316C (en) 1997-04-16 2001-10-08 Apparatus for noise reduction, particulary in hearing aids

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
AU69155/98A Division AU740951C (en) 1997-04-16 1998-04-16 Method for Noise Reduction, Particularly in Hearing Aids

Publications (3)

Publication Number Publication Date
AU7826901A AU7826901A (en) 2001-12-06
AU764316B2 AU764316B2 (en) 2003-08-14
AU764316C true AU764316C (en) 2004-06-24

Family

ID=27768036

Family Applications (1)

Application Number Title Priority Date Filing Date
AU78269/01A Expired AU764316C (en) 1997-04-16 2001-10-08 Apparatus for noise reduction, particulary in hearing aids

Country Status (1)

Country Link
AU (1) AU764316C (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4658426A (en) * 1985-10-10 1987-04-14 Harold Antin Adaptive noise suppressor
US5133013A (en) * 1988-01-18 1992-07-21 British Telecommunications Public Limited Company Noise reduction by using spectral decomposition and non-linear transformation
EP0558312A1 (en) * 1992-02-27 1993-09-01 Central Institute For The Deaf Adaptive noise reduction circuit for a sound reproduction system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4658426A (en) * 1985-10-10 1987-04-14 Harold Antin Adaptive noise suppressor
US5133013A (en) * 1988-01-18 1992-07-21 British Telecommunications Public Limited Company Noise reduction by using spectral decomposition and non-linear transformation
EP0558312A1 (en) * 1992-02-27 1993-09-01 Central Institute For The Deaf Adaptive noise reduction circuit for a sound reproduction system

Also Published As

Publication number Publication date
AU7826901A (en) 2001-12-06
AU764316B2 (en) 2003-08-14

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Legal Events

Date Code Title Description
DA2 Applications for amendment section 104

Free format text: THE NATURE OF THE PROPOSED AMENDMENT IS AS SHOWN IN THE STATEMENT(S) FILED 20031006

FGA Letters patent sealed or granted (standard patent)
DA3 Amendments made section 104

Free format text: THE NATURE OF THE AMENDMENT IS AS WAS NOTIFIED IN THE OFFICIAL JOURNAL DATED 20031127