EP2009955A3 - Hearing device with passive, incoming volume-dependant noise reduction - Google Patents

Hearing device with passive, incoming volume-dependant noise reduction Download PDF

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Publication number
EP2009955A3
EP2009955A3 EP08104366A EP08104366A EP2009955A3 EP 2009955 A3 EP2009955 A3 EP 2009955A3 EP 08104366 A EP08104366 A EP 08104366A EP 08104366 A EP08104366 A EP 08104366A EP 2009955 A3 EP2009955 A3 EP 2009955A3
Authority
EP
European Patent Office
Prior art keywords
noise reduction
signal processing
passive
hearing device
processing channel
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
EP08104366A
Other languages
German (de)
French (fr)
Other versions
EP2009955A2 (en
EP2009955B1 (en
Inventor
Sebastian Pape
Heike Dr. Heuermann
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
Application filed by Siemens Medical Instruments Pte Ltd filed Critical Siemens Medical Instruments Pte Ltd
Publication of EP2009955A2 publication Critical patent/EP2009955A2/en
Publication of EP2009955A3 publication Critical patent/EP2009955A3/en
Application granted granted Critical
Publication of EP2009955B1 publication Critical patent/EP2009955B1/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
    • H04R25/45—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback
    • H04R25/453—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback electronically
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2430/00—Signal processing covered by H04R, not provided for in its groups
    • H04R2430/03—Synergistic effects of band splitting and sub-band processing
    • 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)
  • Circuit For Audible Band Transducer (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Noise Elimination (AREA)

Abstract

Es soll eine Hörvorrichtung und insbesondere ein Hörgerät bereitgestellt werden, bei der zwar Störgeräusche reduziert, aber dennoch ein möglichst natürliches Klangbild erhalten bleiben soll. Dazu wird eine Hörvorrichtung mit einem ersten Signalverarbeitungskanal (K1), in den eine Geräuschreduktionseinrichtung (11) integriert ist, und einem zweiten Signalverarbeitungskanal (K2), der den gleichen Eingang wie der erste Signalverarbeitungskanal (K1) besitzt und in den keine Geräuschreduktionseinrichtung, aber eine Pegelbegrenzungseinrichtung (12) integriert ist, vorgeschlagen. Eine Additionseinrichtung (13) addiert die Ausgangssignale beider Signalverarbeitungskanäle (K1, K2) zu einem Gesamtausgangssignal (SG). Damit kann eine passive, eingangspegelabhängige Geräuschreduktion realisiert werden, mit der leise Signale trotz der Geräuschreduktion wieder gehört werden können.

Figure imgaf001
It is intended to provide a hearing device and in particular a hearing aid, in which noise is reduced, but nevertheless the most natural possible sound pattern is to be preserved. For this purpose, a hearing device with a first signal processing channel (K1), in which a noise reduction device (11) is integrated, and a second signal processing channel (K2) having the same input as the first signal processing channel (K1) and in which no noise reduction device, but a Level limiting device (12) is integrated, proposed. An adder (13) adds the output signals of both signal processing channels (K1, K2) to a total output signal (SG). Thus, a passive, input level-dependent noise reduction can be realized, with the quiet signals despite the noise reduction can be heard again.
Figure imgaf001
EP08104366.3A 2007-06-29 2008-06-11 Hearing device with passive, incoming volume-dependent noise reduction Active EP2009955B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007030067A DE102007030067B4 (en) 2007-06-29 2007-06-29 Hearing aid with passive, input-level-dependent noise reduction and method

Publications (3)

Publication Number Publication Date
EP2009955A2 EP2009955A2 (en) 2008-12-31
EP2009955A3 true EP2009955A3 (en) 2011-02-23
EP2009955B1 EP2009955B1 (en) 2014-03-05

Family

ID=39791140

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08104366.3A Active EP2009955B1 (en) 2007-06-29 2008-06-11 Hearing device with passive, incoming volume-dependent noise reduction

Country Status (4)

Country Link
US (1) US8433086B2 (en)
EP (1) EP2009955B1 (en)
DE (1) DE102007030067B4 (en)
DK (1) DK2009955T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2475423B1 (en) 2009-09-11 2016-12-14 Advanced Bionics AG Dynamic noise reduction in auditory prosthesis systems

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1326479A2 (en) * 1997-04-16 2003-07-09 DSPFactory Ltd. Method and apparatus for noise reduction, particularly in hearing aids
US20040252852A1 (en) * 2000-07-14 2004-12-16 Taenzer Jon C. Hearing system beamformer

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55117712A (en) * 1979-02-28 1980-09-10 Matsushita Electric Ind Co Ltd Noise reduction circuit of video signal recording and reproducing device
JP2586687B2 (en) * 1990-04-20 1997-03-05 松下電器産業株式会社 Noise removal circuit
JPH09305908A (en) * 1996-05-09 1997-11-28 Pioneer Electron Corp Noise-reducing apparatus
US5903655A (en) * 1996-10-23 1999-05-11 Telex Communications, Inc. Compression systems for hearing aids
WO2000001198A1 (en) * 1998-06-30 2000-01-06 Resound Corporation System for reducing the effects of acoustically noisy environments on detected sound signals
US6157252A (en) * 1998-09-09 2000-12-05 The Engineering Consortium, Inc. Battery polarity insensitive integrated circuit amplifier
DE19957128C1 (en) * 1999-11-26 2001-08-16 Siemens Audiologische Technik Signal level limitation method for digital hearing aid has sampling rate of digital signal raised prior to limitation of maximum signal value
DK1307072T3 (en) 2001-10-17 2008-04-14 Siemens Audiologische Technik Method of operation of a hearing aid and hearing aid
US7369671B2 (en) * 2002-09-16 2008-05-06 Starkey, Laboratories, Inc. Switching structures for hearing aid
EP1453355B1 (en) * 2003-02-26 2012-10-24 Bernafon AG Signal processing in a hearing aid
DE602006020035D1 (en) * 2006-07-24 2011-03-24 Harman Becker Automotive Sys System and method for calibrating a hands-free kit
US8041054B2 (en) * 2008-10-31 2011-10-18 Continental Automotive Systems, Inc. Systems and methods for selectively switching between multiple microphones

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1326479A2 (en) * 1997-04-16 2003-07-09 DSPFactory Ltd. Method and apparatus for noise reduction, particularly in hearing aids
US20040252852A1 (en) * 2000-07-14 2004-12-16 Taenzer Jon C. Hearing system beamformer

Also Published As

Publication number Publication date
EP2009955A2 (en) 2008-12-31
EP2009955B1 (en) 2014-03-05
US20090003627A1 (en) 2009-01-01
US8433086B2 (en) 2013-04-30
DK2009955T3 (en) 2014-05-26
DE102007030067B4 (en) 2011-08-25
DE102007030067A1 (en) 2009-01-08

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