EP2699020A3 - Method and device for determining a gain factor of a hearing aid - Google Patents

Method and device for determining a gain factor of a hearing aid Download PDF

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Publication number
EP2699020A3
EP2699020A3 EP13171684.7A EP13171684A EP2699020A3 EP 2699020 A3 EP2699020 A3 EP 2699020A3 EP 13171684 A EP13171684 A EP 13171684A EP 2699020 A3 EP2699020 A3 EP 2699020A3
Authority
EP
European Patent Office
Prior art keywords
determining
hearing aid
counter
gain factor
forming
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.)
Granted
Application number
EP13171684.7A
Other languages
German (de)
French (fr)
Other versions
EP2699020A2 (en
EP2699020B1 (en
Inventor
Eghart Fischer
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.)
Sivantos Pte Ltd
Original Assignee
Siemens Medical Instruments Pte 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 DE102013201043.5A external-priority patent/DE102013201043B4/en
Application filed by Siemens Medical Instruments Pte Ltd filed Critical Siemens Medical Instruments Pte Ltd
Publication of EP2699020A2 publication Critical patent/EP2699020A2/en
Publication of EP2699020A3 publication Critical patent/EP2699020A3/en
Application granted granted Critical
Publication of EP2699020B1 publication Critical patent/EP2699020B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H04R25/40—Arrangements for obtaining a desired directivity characteristic
    • H04R25/407—Circuits for combining signals of a plurality of transducers
    • 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
    • H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
    • H04R2460/01—Hearing devices using active noise cancellation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones

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)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Circuit For Audible Band Transducer (AREA)

Abstract

Für ein Hörhilfegerät wird ein Verstärkungsfaktor (Qi) mittels folgender Schritte erzeugt: Bilden (142) eines Zählers (Zi), wobei der Zähler (Zi) eine Summe mit einer ersten Summenkomponente umfasst, die mittels Multiplikation einer Stärke (Xpi) eines näherungsweise ungestörten Signals (Xi) mit einer ersten Wichtung (WXi) gebildet wird, und eine zweite Summenkomponente umfasst, die mittels Multiplikation einer Stärke (Ypi) eines gestörten Signals (Yi) mit einer zweiten Wichtung (WYi) gebildet wird; Bilden (144) eines Nenners (Ni), der als einen ersten Summanden den Zähler (Zi) und als einen zweiten Summanden eine Stärke (SSpi) eines Störsignals (SSi) umfasst; Ermitteln (146) des Verstärkungsfaktors (Qi) mittels Bildung eines Quotienten (Qi) aus dem Zähler (Zi) geteilt durch den Nenner (Ni).For a hearing aid, a gain factor (Qi) is generated by the steps of: forming (142) a counter (Zi), the counter (Zi) comprising a sum having a first sum component obtained by multiplying a magnitude (Xpi) of an approximately undisturbed signal (Xi) is formed with a first weight (WXi) and a second sum component formed by multiplying a strength (Ypi) of a perturbed signal (Yi) by a second weight (WYi); Forming (144) a denominator (Ni) comprising as a first summand the counter (Zi) and as a second summand a magnitude (SSpi) of an interfering signal (SSi); Determining (146) the amplification factor (Qi) by forming a quotient (Qi) from the numerator (Zi) divided by the denominator (Ni).

Außerdem wird eine Vorrichtung (10) bereitgestellt, die dazu vorbereitet ist, das erfindungsgemäße Verfahren (100) durchzuführen.

Figure imgaf001
In addition, a device (10) is provided which is prepared to carry out the method (100) according to the invention.
Figure imgaf001
EP13171684.7A 2012-08-17 2013-06-12 Method and device for determining a gain factor of a hearing aid Active EP2699020B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261684166P 2012-08-17 2012-08-17
DE102013201043.5A DE102013201043B4 (en) 2012-08-17 2013-01-23 Method and device for determining an amplification factor of a hearing aid

Publications (3)

Publication Number Publication Date
EP2699020A2 EP2699020A2 (en) 2014-02-19
EP2699020A3 true EP2699020A3 (en) 2015-04-15
EP2699020B1 EP2699020B1 (en) 2016-04-13

Family

ID=48698893

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13171684.7A Active EP2699020B1 (en) 2012-08-17 2013-06-12 Method and device for determining a gain factor of a hearing aid

Country Status (1)

Country Link
EP (1) EP2699020B1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000033634A2 (en) * 2000-03-31 2000-06-15 Phonak Ag Method for providing the transmission characteristics of a microphone arrangement and microphone arrangement
WO2011101042A1 (en) * 2010-02-19 2011-08-25 Siemens Medical Instruments Pte. Ltd. Method for the binaural left-right localization for hearing instruments

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000033634A2 (en) * 2000-03-31 2000-06-15 Phonak Ag Method for providing the transmission characteristics of a microphone arrangement and microphone arrangement
WO2011101042A1 (en) * 2010-02-19 2011-08-25 Siemens Medical Instruments Pte. Ltd. Method for the binaural left-right localization for hearing instruments

Also Published As

Publication number Publication date
EP2699020A2 (en) 2014-02-19
EP2699020B1 (en) 2016-04-13

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