EP2172062A1 - Verfahren zum anpassen eines hörgeräts mit hilfe eines perzeptiven modells - Google Patents
Verfahren zum anpassen eines hörgeräts mit hilfe eines perzeptiven modellsInfo
- Publication number
- EP2172062A1 EP2172062A1 EP08774916A EP08774916A EP2172062A1 EP 2172062 A1 EP2172062 A1 EP 2172062A1 EP 08774916 A EP08774916 A EP 08774916A EP 08774916 A EP08774916 A EP 08774916A EP 2172062 A1 EP2172062 A1 EP 2172062A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hearing
- hearing aid
- model
- data
- psychoacoustic
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 14
- 206010011878 Deafness Diseases 0.000 claims abstract description 17
- 230000010370 hearing loss Effects 0.000 claims abstract description 17
- 231100000888 hearing loss Toxicity 0.000 claims abstract description 17
- 208000016354 hearing loss disease Diseases 0.000 claims abstract description 17
- 238000004088 simulation Methods 0.000 claims description 9
- 238000004422 calculation algorithm Methods 0.000 claims description 6
- 230000003044 adaptive effect Effects 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 abstract description 11
- 230000002787 reinforcement Effects 0.000 abstract 1
- 208000032041 Hearing impaired Diseases 0.000 description 7
- 238000004364 calculation method Methods 0.000 description 3
- 210000000988 bone and bone Anatomy 0.000 description 2
- 210000000613 ear canal Anatomy 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 210000000883 ear external Anatomy 0.000 description 1
- 238000011066 ex-situ storage Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 210000003454 tympanic membrane Anatomy 0.000 description 1
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
- H04R25/70—Adaptation of deaf aid to hearing loss, e.g. initial electronic fitting
Definitions
- the present invention relates to a method for adapting a hearing device to a hearing aid wearer by selecting a hearing aid based on a comparison of the technical data of a plurality of hearing aids with hearing loss data of the hearing aid wearer, presetting the selected hearing aid with one
- Goal gain curve and fine-tuning a preset hearing aid setting Goal gain curve and fine-tuning a preset hearing aid setting.
- Hearing aids are portable hearing aids that are used to care for the hearing impaired.
- different types of hearing aids such as behind-the-ear hearing aids (BTE), hearing aid with external receiver (RIC: receiver in the canal) and in-the-ear hearing aids (ITE), e.g. Concha hearing aids or canal hearing aids (ITE, CIC).
- BTE behind-the-ear hearing aids
- RIC hearing aid with external receiver
- ITE in-the-ear hearing aids
- ITE in-the-ear hearing aids
- ITE in-the-ear hearing aids
- ITE concha hearing aids or canal hearing aids
- the hearing aids listed by way of example are worn on the outer ear or in the ear canal.
- bone conduction hearing aids, implantable or vibrotactile hearing aids are also available on the market. The stimulation of the damaged hearing takes place either mechanically or electrically.
- Hearing aids have in principle as essential components an input transducer, an amplifier and an output transducer.
- the input transducer is usually a sound receiver, z. As a microphone, and / or an electromagnetic receiver, for. B. an induction coil.
- the output transducer is usually used as an electroacoustic transducer, z. As miniature speaker, or as an electromechanical transducer, z. B. bone conduction, realized.
- the amplifier is usually integrated in a signal processing unit. This basic structure is shown in FIG. 1 using the example of a behind-the-ear hearing device.
- a hearing aid housing 1 for carrying behind the ear are one or more microphones 2 to Built-in sound recording from the environment.
- a signal processing unit 3 which is also integrated in the hearing aid housing 1, processes the microphone signals and amplifies them.
- the output signal of the signal processing unit 3 is transmitted to a loudspeaker or earpiece 4, which outputs an acoustic signal.
- the sound is optionally transmitted via a sound tube, which is fixed with an earmold in the ear canal, to the eardrum of the device carrier.
- the power supply of the hearing device and in particular of the signal processing unit 3 is effected by a likewise integrated into the hearing aid housing 1 battery. 5
- the hearing aid selection, pre-setting and fine-tuning by the acoustician using a fitting software aims to meet the individual needs of the hearing impaired in terms of speech understanding and sound quality. This requires a great deal of acoustician experience, but with increasing complexity of the hearing instruments and short product cycles, it is becoming increasingly difficult to achieve so that the risk of inadequate care is growing.
- the fitting software often provides assistance, which should help the inexperienced acoustician in particular to make the appropriate adaptation steps. For example, in hearing aid selection, the audiological degree of
- Document US 2002/0111745 A1 discloses a portable hearing aid system.
- parameters of a hearing response can be obtained by audiometer.
- a response prediction is used to perform a basic setting of a hearing aid.
- document EP 0 661 905 A2 describes a method for adapting a hearing device and a corresponding hearing device.
- a perceptive model is used to gain a psycho-acoustic size, in particular loudness, on the one hand for a norm group of persons and on the other hand for a single individual.
- setting data are determined, with which the signal transmission to a hearing device is designed or adjusted ex situ or conducted in situ.
- this object is achieved by a method for adapting a hearing device to a hearing device wearer by selecting a hearing aid based on output data of several hearing aids with regard to hearing loss data of the hearing aid wearer and one or both of the following steps: presetting the selected hearing aid with a target gain curve and fine-tuning a hearing aid Adjustment of the pre-set hearing aid, whereby at least one of the steps of selection, presetting and fine-tuning takes place with the aid of a single perceptive model, which is individualized by hearing loss data reflecting the hearing loss of the hearing aid wearer.
- the perceptive model preferably supplies the loudness, the tonal sharpness, the roughness, the pleasantness, the hearing effort and / or the speech intelligibility as a psychoacoustic quantity. so that the selection, presetting and / or fine-tuning takes place on the basis of this psychoacoustic variable (s). From the perceptive model, however, other psycho-acoustic parameters can also be supplied and used for adaptation.
- a predetermined sound is supplied to a simulation model of the hearing device having a plurality of target gain curves, the resulting simulation data are fed to the perceptive model, and a target gain curve is determined from the perceptive model by means of psychoacoustic data.
- the perceptive model may obtain a plurality of psychoacoustic quantities, individually weight the psychoacoustic quantities, and use the weighted psychoacoustic quantities for selection, presetting, and / or fine tuning.
- a multi-dimensional parameterization can be carried out very effectively based on sensation variables.
- FIG. 1 shows the basic structure of a hearing aid according to the prior art
- FIG. 2 shows a flow chart for selecting and presetting a hearing aid
- the use of a perceptive model according to the invention provides in the various steps of the hearing aid adaptation a significant increase in the quality of the measures proposed by the fitting software.
- the model provides predictions of important psychoacoustic properties for a given stimulus, such as: B loudness, sharpness of sound, roughness, pleasantness, hearing effort, subjective speech intelligibility etc.
- the hearing aid fitting can be roughly divided into three steps: the hearing aid selection, the hearing aid presetting and optionally the hearing aid fine adjustment. The first two steps are indicated in FIG. 2 and the third step in FIG. 3.
- the data for preselecting can already be made available to the software in the form of a database, so that no computer-intensive online calculation of the hearing aid model and of the subsequent perceptive model must be carried out by the acoustician.
- the model is changed in order to select the optimal target gain curve, as is also indicated in FIG.
- suitable sounds S2 are processed with the hearing aid model, ie, the various target gain curves Z1, Z2, Z3, etc., and the output signals are supplied to the perceptual model PM.
- the A-caretaker can then make a choice W on the basis of the results and thus select a suitable target gain Z or create it from the target gain curves. That is, an individually appropriate strategy is selected, depending on whether the hearing impaired z.
- B. sets a higher value to a balanced sound, or whether he is primarily interested in improving speech intelligibility.
- the results for different sounds for representative hearing loss could already be stored as a database, so that no computationally intensive online calculation must be made in order to make the choice W can.
- the individual hearing loss would be associated with the closest representative hearing loss. That is, the perceptual model is parameterized based on representative hearing loss or multiple representative hearing loss. In either case, the selected target gain curve Z is then used for the selected hearing aid HG.
- the perceptive model PM according to FIG. 3 can be used in order to carry out the suitable fine adjustment steps, in particular in the case of adaptive algorithms AL, which are difficult to optimize in the laboratory situation. Specifically, therefore, a sound S3 is processed by the adaptive algorithm and fed to the perceptual model PM.
- the algorithm AL is parameterized by means of a psychoacoustic value supplied by the perceptual model.
- the perceptive model can be implemented in the hearing aid HG itself or run outside the hearing aid on a computer as a perceptual model PM '.
- the acoustician can modify the parameters based on the statements of the hearing impaired (which perceptive dimension is to be optimized, or which problem is to be solved) and, based on the model simulation, immediately check whether the desired result arrives.
- Datalogging can be fed to the perceptual model and model of the device for fine-tuning, and the software can then independently optimizing that a maximum in one dimension, e.g. As loudness is achieved. If there is no absolute maximum, the result could also lie in several settings, which the hearing-impaired then themselves assessed for fitness. In this case too, it is conceivable to carry out the complex calculation in the fitting software in advance by means of representative sounds and to fill the fitting software itself with a database of problem situations and suitable solution proposals.
- psychoacoustic i. perceptive characteristics in the different steps of the hearing aid adaptation are provided by the fitting software.
- the perceptual model allows for individual weighting of each of the various psychoacoustic dimensions, i. whether individual, for example, the subjective understanding of speech is in the foreground or rather the sound quality.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007035171A DE102007035171A1 (de) | 2007-07-27 | 2007-07-27 | Verfahren zum Anpassen eines Hörgeräts mit Hilfe eines perzeptiven Modells |
PCT/EP2008/058910 WO2009016010A1 (de) | 2007-07-27 | 2008-07-09 | Verfahren zum anpassen eines hörgeräts mit hilfe eines perzeptiven modells |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2172062A1 true EP2172062A1 (de) | 2010-04-07 |
EP2172062B1 EP2172062B1 (de) | 2016-07-06 |
Family
ID=39816891
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08774916.4A Active EP2172062B1 (de) | 2007-07-27 | 2008-07-09 | Verfahren zum anpassen eines hörgeräts mit hilfe eines perzeptiven modells |
Country Status (5)
Country | Link |
---|---|
US (1) | US8774432B2 (de) |
EP (1) | EP2172062B1 (de) |
DE (1) | DE102007035171A1 (de) |
DK (1) | DK2172062T3 (de) |
WO (1) | WO2009016010A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007035172A1 (de) * | 2007-07-27 | 2009-02-05 | Siemens Medical Instruments Pte. Ltd. | Hörsystem mit visualisierter psychoakustischer Größe und entsprechendes Verfahren |
US9025499B2 (en) | 2010-03-31 | 2015-05-05 | Phonak Ag | Method and system for configuring more than one hearing devices |
US9204226B2 (en) * | 2010-09-14 | 2015-12-01 | Sonova Ag | Method for adjusting a hearing device as well as an arrangement for adjusting a hearing device |
DE102011087569A1 (de) * | 2011-12-01 | 2013-06-06 | Siemens Medical Instruments Pte. Ltd. | Verfahren zum Anpassen einer Hörvorrichtung durch eine formale Sprache |
US9491556B2 (en) | 2013-07-25 | 2016-11-08 | Starkey Laboratories, Inc. | Method and apparatus for programming hearing assistance device using perceptual model |
WO2018006979A1 (en) * | 2016-07-08 | 2018-01-11 | Sonova Ag | A method of fitting a hearing device and fitting device |
WO2019076432A1 (en) * | 2017-10-16 | 2019-04-25 | Sonova Ag | HEARING DEVICE SYSTEM AND METHOD FOR DYNAMICALLY PRESENTING A HEARING DEVICE MODIFICATION PROPOSAL TO A USER OF A HEARING DEVICE |
WO2020021388A1 (en) * | 2018-07-25 | 2020-01-30 | Cochlear Limited | Individualized adaptation of medical prosthesis settings |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4972487A (en) * | 1988-03-30 | 1990-11-20 | Diphon Development Ab | Auditory prosthesis with datalogging capability |
US4953112A (en) * | 1988-05-10 | 1990-08-28 | Minnesota Mining And Manufacturing Company | Method and apparatus for determining acoustic parameters of an auditory prosthesis using software model |
DE4418203C2 (de) * | 1994-05-25 | 1997-09-11 | Siemens Audiologische Technik | Verfahren zum Anpassen der Übertragungscharakteristik eines Hörgerätes |
US5729658A (en) | 1994-06-17 | 1998-03-17 | Massachusetts Eye And Ear Infirmary | Evaluating intelligibility of speech reproduction and transmission across multiple listening conditions |
US5825894A (en) * | 1994-08-17 | 1998-10-20 | Decibel Instruments, Inc. | Spatialization for hearing evaluation |
ATE229729T1 (de) | 1995-03-13 | 2002-12-15 | Phonak Ag | Verfahren zur anpassung eines hörgerätes, vorrichtung hierzu und hörgerät |
US5727119A (en) | 1995-03-27 | 1998-03-10 | Dolby Laboratories Licensing Corporation | Method and apparatus for efficient implementation of single-sideband filter banks providing accurate measures of spectral magnitude and phase |
US6327366B1 (en) * | 1996-05-01 | 2001-12-04 | Phonak Ag | Method for the adjustment of a hearing device, apparatus to do it and a hearing device |
US6366863B1 (en) | 1998-01-09 | 2002-04-02 | Micro Ear Technology Inc. | Portable hearing-related analysis system |
US7742927B2 (en) | 2000-04-18 | 2010-06-22 | France Telecom | Spectral enhancing method and device |
FR2807897B1 (fr) | 2000-04-18 | 2003-07-18 | France Telecom | Methode et dispositif d'enrichissement spectral |
DE10308483A1 (de) | 2003-02-26 | 2004-09-09 | Siemens Audiologische Technik Gmbh | Verfahren zur automatischen Verstärkungseinstellung in einem Hörhilfegerät sowie Hörhilfegerät |
DE10318191A1 (de) | 2003-04-22 | 2004-07-29 | Siemens Audiologische Technik Gmbh | Verfahren zur Erzeugung und Verwendung einer Übertragungsfunktion |
DE102005020317B4 (de) | 2005-05-02 | 2009-04-02 | Siemens Audiologische Technik Gmbh | Automatische Verstärkungseinstellung bei einem Hörhilfegerät |
US8265765B2 (en) | 2005-12-08 | 2012-09-11 | Cochlear Limited | Multimodal auditory fitting |
DE102006020833B3 (de) * | 2006-05-04 | 2007-06-28 | Siemens Audiologische Technik Gmbh | Verfahren und Vorrichtung zum Ermitteln einer Zielverstärkungskurve für ein Hörgerät |
-
2007
- 2007-07-27 DE DE102007035171A patent/DE102007035171A1/de not_active Ceased
-
2008
- 2008-07-09 EP EP08774916.4A patent/EP2172062B1/de active Active
- 2008-07-09 DK DK08774916.4T patent/DK2172062T3/da active
- 2008-07-09 US US12/669,594 patent/US8774432B2/en active Active
- 2008-07-09 WO PCT/EP2008/058910 patent/WO2009016010A1/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2009016010A1 * |
Also Published As
Publication number | Publication date |
---|---|
US20100202636A1 (en) | 2010-08-12 |
DE102007035171A1 (de) | 2009-02-05 |
DK2172062T3 (da) | 2016-10-24 |
WO2009016010A1 (de) | 2009-02-05 |
EP2172062B1 (de) | 2016-07-06 |
US8774432B2 (en) | 2014-07-08 |
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