EP1933590A1 - Procédé destiné à l'adaptation d'appareils auditifs - Google Patents

Procédé destiné à l'adaptation d'appareils auditifs Download PDF

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Publication number
EP1933590A1
EP1933590A1 EP07022518A EP07022518A EP1933590A1 EP 1933590 A1 EP1933590 A1 EP 1933590A1 EP 07022518 A EP07022518 A EP 07022518A EP 07022518 A EP07022518 A EP 07022518A EP 1933590 A1 EP1933590 A1 EP 1933590A1
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EP
European Patent Office
Prior art keywords
horizontal
hearing
hearing aid
sound
subjective
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
EP07022518A
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German (de)
English (en)
Other versions
EP1933590B1 (fr
Inventor
Georg Dr.-Ing. Schmalfuss
Jörg Dr.-Ing. Haubold
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.)
Geers Horakustik AG & Co KG
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Geers Horakustik AG & Co KG
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Publication date
Application filed by Geers Horakustik AG & Co KG filed Critical Geers Horakustik AG & Co KG
Priority to PL07022518T priority Critical patent/PL1933590T3/pl
Priority to SI200730128T priority patent/SI1933590T1/sl
Publication of EP1933590A1 publication Critical patent/EP1933590A1/fr
Application granted granted Critical
Publication of EP1933590B1 publication Critical patent/EP1933590B1/fr
Not-in-force legal-status Critical Current
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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
    • H04R25/70—Adaptation of deaf aid to hearing loss, e.g. initial electronic fitting

Definitions

  • the invention relates to a method for hearing aid fitting and to a device for carrying out a directional hearing test in the horizontal plane for use in such a method.
  • the sound source location is based on the evaluation of interaural level and transit time differences, which always occur when a sound source is outside the median plane of the head-related coordinate system. This enables humans to achieve a resolution of approx. 1 ° when determining the sound source position in the horizontal plane.
  • the significance of level differences on the one hand and differences in runtime on the other hand for the sound source location reverses with increasing frequency. In the range below 1.5 kHz, the interaural level difference hardly plays a role, since the distance between the two ears in relation to the wavelength is small.
  • dominant interaural time differences are evaluated at low frequencies. The situation is different at high frequencies. Due to the shading effect of the head or the diffraction of the sound waves at the head here, the level differences of the two ear signals for sound source location can be used.
  • the standard care of a hearing-impaired person is a bilateral supply of hearing aids.
  • the setting and optimization of the parameters of both hearing aids is in principle carried out using the same methods as in the case of only one-sided care with only one hearing aid.
  • the right-side threshold and the left-side Hearing threshold individually tested and made an adjustment of the respective hearing aid amplification parameters to the hearing threshold of the corresponding ear.
  • This object is achieved with a method for hearing aid fitting with the features of claim 1.
  • Subclaims are directed to preferred embodiments.
  • a device for carrying out a directional hearing test in the horizontal plane for use in a method according to the invention is the subject of claim 7.
  • An inventive hearing aid adaptation method is characterized by a fitting step for taking into account the directional hearing in the horizontal plane. This step is performed as part of a hearing aid fitting procedure that may otherwise include the conventional hearing aid adjustment steps.
  • the adaptation step according to the invention comprises the generation of horizontally spatial sound images which correspond to sound signals from different horizontal desired directions.
  • the sound patterns spatial in the horizontal plane become the subject, in particular one Hearing aid users, for example, in the state supplied with hearing aids for indicating the subjectively perceived horizontal direction presented, from which the sound seems to come.
  • the hearing aid user thus specifies the horizontal direction from which he thinks he perceives the sound.
  • the respective subjective horizontal hearing direction indicated in this way is compared with the corresponding desired direction.
  • hearing aid amplification factors to be changed are determined.
  • amplification factors of both hearing aids are selected as a function of the comparison result, with the respective amplification factors additionally being able to be chosen in a frequency-dependent and level-dependent manner.
  • the method makes it possible to check and correct the directional hearing in the horizontal plane. It is particularly advantageous that the directional hearing determination in the horizontal plane under free field conditions, i. under conditions of use of hearing aids, and optimization information can be derived.
  • Noise usually has a broadband spectrum without striking tonal components and usually has a uniform time structure.
  • the signal structure of the sound images which are presented to the test person in the method according to the invention have as far as possible singular tonal components in the audible frequency range.
  • short-term signal structures are selected, preferably shorter than 20 s, particularly preferably shorter than 10 s.
  • Examples of such natural sound images from the normal area of life are e.g. the sound of crickets, a hair dryer, a car horn, a traffic light, a drill, a guitar or a flute.
  • a simple possibility for generating the horizontal spatial sound images is a stereo display device.
  • Different horizontal desired directions can be achieved for example by a position-dependent attenuation of the two stereo channels.
  • the method according to the invention can be used to optimize a hearing device setting.
  • the method is carried out with the hearing device user using hearing aids, the setting of which is optimally adapted with the aid of the method according to the invention.
  • the horizontal directional hearing of the hearing device user is tested using the hearing aids.
  • the method according to the invention can also be carried out in advance of the hearing device adaptation by performing it with the hearing impaired without hearing aids. From a comparison of such a determined horizontal direction hearing with the results in a supplied state can then improve the direction hearing be documented. In another application, a difference between a one-sided and a two-sided hearing aid supply can be displayed.
  • the method according to the invention can be part of a hearing aid adaptation process in which other individual hearing defects of the hearing impaired person are also taken into account.
  • the directional hearing test in the horizontal plane described herein and the particular embodiments described may also be generally used in a horizontal listening directional listening test that is not necessarily used in a hearing aid fitting.
  • a device serves to carry out a directional hearing test in the horizontal plane, as can be used in a hearing aid adaptation method according to the invention. It has a device for reproducing in a horizontal plane spatial, preferably natural sound images that correspond to sound signals from different horizontal desired directions.
  • An input device is provided, by means of which the subjective horizontal direction from which the sound appears to come can be entered.
  • An evaluation device serves to specify and / or compare the input subjective horizontal directions and the corresponding desired directions.
  • Fig. 1 shows the preferred structure for a directional hearing test in the horizontal plane, as it is used in a method according to the invention for hearing aid fitting.
  • a hearing impaired 10 is located opposite a stereo display with speakers 12, 14.
  • an input screen 16 displays a screen 17 as shown in Fig. 2 is visible.
  • the screen 17 shows an example of two speakers 18 and input fields 20, which are provided for example in the form of touch-screen elements directly on the screen or correspond to corresponding keys on a keyboard.
  • the numbers 1 to 7 on the input fields 20 correspond to the audible horizontal sound source positions to be entered by the hearing impaired person.
  • the distance A between the walkers 12, 14 on the one hand and the distance B between the speakers 12 and 14 and the hearing impaired 10 on the other hand is e.g. each 1.5 m.
  • Fig. 1 serves the presentation of horizontal spatial natural sound images that correspond to sound signals from different target directions.
  • the stereo channels of the speakers 12, 14 are attenuated differently to simulate different horizontal sound-target directions.
  • the relationship between the virtual sound source position SP and the necessary attenuation D for the two stereo channels is in Fig. 3 shown.
  • the dashed curve 22 indicates the necessary attenuation D of the right channel in arbitrary units, here in decibels, while the solid curve 24 indicates the necessary attenuation D of the left channel in arbitrary units, here in decibels.
  • the virtual sound source position SP is given as a percentage distance, measured from the left speaker 12 relative to the total distance A of the two speakers 12, 14, respectively.
  • exemplary virtual sound source positions P1 to P7 are indicated, which can be used for a directional hearing test in the horizontal plane.
  • Fig. 4 shows, by way of example, the result of a directional hearing test carried out in the horizontal plane when carrying out the method according to the invention, as can be displayed to the executing person on a screen, for example.
  • the horizontal axis shows the virtual sound source positions P.
  • the vertical axis indicates the subjective positions from the left (1) to the right (r), which were perceived by the hearing impaired as horizontal sound source positions during the directional hearing test and indicated on the screen 17 via keypads 20.
  • Crosses indicate the ideal case in which the horizontal directions perceived by the hearing-impaired correspond to the directions actually offered.
  • the points show possible results of a directional hearing test in the horizontal plane. If several points are at a horizontal position P, this corresponds to e.g. repeatedly performing individual measurements with the virtual sound position indicated by the horizontal location, the hearing impaired not having given the same result for each measurement.
  • Fig. 5 to 7 show the sound pressure levels in decibels Sound Pressure Level (dBSPL) as a function of time t in seconds for different sound patterns.
  • Fig. 5 corresponds to the sound of a traffic light while Fig. 6 the sound of Grillenzirpen corresponds.
  • the sound pictures of the FIGS. 5 and 6 Due to their well-defined singular tonal components and short-term signal structures, they are suitable, for example, for a hearing aid adaptation process according to the invention.
  • Fig. 7 shows the example of a noise signal that is not suitable.
  • the method according to the invention makes it possible to take into account the directional hearing in the horizontal plane as follows.
  • the hearing impaired 10 will, as in Fig. 1 illustrated, a stereo playback device with speakers 12, 14 opposite. Natural sound images with as singular tonal components and short signal structures are presented to him with the help of the speakers 12 and 14. Suitable sound pictures are eg a traffic light tone (accordingly Fig. 5 ), Grillenzirpen (according to Fig. 6 ), a hair dryer, a car horn, a drill, a guitar or a flute sound.
  • a traffic light tone accordingingly Fig. 5
  • Grillenzirpen accordinging to Fig. 6
  • a hair dryer e.g. a hair dryer, a car horn, a drill, a guitar or a flute sound.
  • Different virtual horizontal sound source positions corresponding to target directions are generated by means of a different damping D of the two channels of the loudspeakers 12 and 14.
  • the virtual sound source positions P1 to P7 of the Fig. 3 by appropriate selection of the left-side damping according to the curve 24 and the right-side damping according to the curve 22 of Fig. 3 produce.
  • the virtual sound source position P6 is set by setting a right side attenuation D of 0 and left side attenuation of -8 dB in the selected representation of FIG Fig. 3 reached (see dotted guidelines). This corresponds to a virtual sound source position SP, in which the virtual sound source position, measured as the distance from the left loudspeaker 12, corresponds to 80% of the total distance A of the loudspeakers 12 and 14.
  • the sound images are presented to the hearing impaired 10 in this way from different horizontal desired directions P1 to P7.
  • the touch screen 17 the in Fig. 2 is shown, the hearing impaired can enter on the keypads 20, from which horizontal direction the sound seems to come respectively.
  • Fig. 4 The result can be shown in a graphic, as exemplified in Fig. 4 is shown.
  • the virtual sound positions P1 to P7 are shown, which were generated by means of the stereo display device.
  • the vertical axis of the hearing impaired on the screen 17 entered perceived horizontal directions 1 to 7 are plotted.
  • the audiophiles are repeatedly presented with the sound images.
  • several measured values can be created for individual virtual sound source positions.
  • the mean value for this virtual sound source position can then be used for the hearing device setting and included in the classification explained below.
  • the result of the directional hearing test can be used to classify the directional hearing in the horizontal plane as follows, wherein the directional hearing in the example shown is subdivided into four types I to IV: Type I a) perfect location (all information is correct) b) almost perfect location (deviation around a position without directional tendency) Type II a) Tendency of shifting in one direction b) Shift in one direction (at least four judgments of seven are shifted in the same direction) c) extreme deviation in one direction Type III a) correct order from left to right, but narrowed solid angle b) narrowed solid angle with additional directional deviation Type IV a) Decay into several listening events b) unsystematic location
  • Type I the horizontal directional hearing test can be considered passed and an optimization of the hearing aids is usually not required. Should a clear shift of responses in a horizontal direction become apparent (eg type II), it is recommended to correct the gain of the hearing aid that provides a higher gain. The same applies, for example, to case b of type
  • the result of the directional listening test in the horizontal plane can be used to adjust the hearing aid parameters accordingly.
  • the adjustment can be carried out in this way so long in alternation with the directional hearing test until the horizontal direction hearing of the hearing device user is optimized when using the hearing aid and the directional hearing in the horizontal plane of a normal hearing as well as possible.

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  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Telephone Function (AREA)
EP07022518A 2006-12-12 2007-11-20 Procédé destiné à l'adaptation d'appareils auditifs Not-in-force EP1933590B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL07022518T PL1933590T3 (pl) 2006-12-12 2007-11-20 Sposób dopasowywania aparatów słuchowych
SI200730128T SI1933590T1 (sl) 2006-12-12 2007-11-20 Postopek nastavljanja slušnih aparatov

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006058520A DE102006058520A1 (de) 2006-12-12 2006-12-12 Verfahren zur Hörgeräteanpassung

Publications (2)

Publication Number Publication Date
EP1933590A1 true EP1933590A1 (fr) 2008-06-18
EP1933590B1 EP1933590B1 (fr) 2009-10-07

Family

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EP07022518A Not-in-force EP1933590B1 (fr) 2006-12-12 2007-11-20 Procédé destiné à l'adaptation d'appareils auditifs

Country Status (8)

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EP (1) EP1933590B1 (fr)
AT (1) ATE445298T1 (fr)
DE (2) DE102006058520A1 (fr)
DK (1) DK1933590T3 (fr)
ES (1) ES2332476T3 (fr)
PL (1) PL1933590T3 (fr)
PT (1) PT1933590E (fr)
SI (1) SI1933590T1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2441277A1 (fr) * 2009-06-09 2012-04-18 Dean Robert Gary Anderson Procédé et appareil de réglage acoustique directionnel de prothèses auditives
CN102467906A (zh) * 2010-11-08 2012-05-23 财团法人雅文儿童听语文教基金会 听力检测方法及系统
US8879745B2 (en) 2009-07-23 2014-11-04 Dean Robert Gary Anderson As Trustee Of The D/L Anderson Family Trust Method of deriving individualized gain compensation curves for hearing aid fitting
US8942397B2 (en) 2011-11-16 2015-01-27 Dean Robert Gary Anderson Method and apparatus for adding audible noise with time varying volume to audio devices
US9101299B2 (en) 2009-07-23 2015-08-11 Dean Robert Gary Anderson As Trustee Of The D/L Anderson Family Trust Hearing aids configured for directional acoustic fitting
US10142742B2 (en) 2016-01-01 2018-11-27 Dean Robert Gary Anderson Audio systems, devices, and methods
CN113534052A (zh) * 2021-06-03 2021-10-22 广州大学 骨导设备虚拟声源定位性能测试方法、系统、装置及介质
CN113520377A (zh) * 2021-06-03 2021-10-22 广州大学 一种虚拟声源定位能力检测方法、系统、装置及存储介质

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5870481A (en) 1996-09-25 1999-02-09 Qsound Labs, Inc. Method and apparatus for localization enhancement in hearing aids
DE10115430C1 (de) * 2001-03-29 2002-06-13 Siemens Audiologische Technik Verfahren zur automatischen Kalibrierung eines Anpasssystems
EP1691576A2 (fr) * 2006-01-12 2006-08-16 Phonak AG Procédé pour régler un système auditif,procédé pour actionner le système auditif et système auditif

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4427044A1 (de) * 1994-07-29 1996-02-01 Geers Hoergeraete Verfahren zur Optimierung der Anpassung von Hörgeräten
DE10260304B3 (de) * 2002-12-20 2004-07-08 Siemens Audiologische Technik Gmbh Hörgerätesystem mit seitenspezifisch ausgebildeten hinter den Ohren tragbaren Hörhilfegeräten

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5870481A (en) 1996-09-25 1999-02-09 Qsound Labs, Inc. Method and apparatus for localization enhancement in hearing aids
DE10115430C1 (de) * 2001-03-29 2002-06-13 Siemens Audiologische Technik Verfahren zur automatischen Kalibrierung eines Anpasssystems
EP1691576A2 (fr) * 2006-01-12 2006-08-16 Phonak AG Procédé pour régler un système auditif,procédé pour actionner le système auditif et système auditif

Non-Patent Citations (2)

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Title
B. SEEBER, FORTSCHRITTE DER AKUSTIK, 2001
B. SEEBER: "Eine neue Methode für Lokalisationseinrichtungen", FORTSCHRITTE DER AKUSTIK, DAGA 2001, 2001, Oldenburg, XP007903918 *

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9491559B2 (en) 2009-06-09 2016-11-08 Dean Robert Gary Anderson As Trustee Of The D/L Anderson Family Trust Method and apparatus for directional acoustic fitting of hearing aids
EP2441277A4 (fr) * 2009-06-09 2013-03-20 Dean Robert Gary Anderson Procédé et appareil de réglage acoustique directionnel de prothèses auditives
EP2441277A1 (fr) * 2009-06-09 2012-04-18 Dean Robert Gary Anderson Procédé et appareil de réglage acoustique directionnel de prothèses auditives
US9101299B2 (en) 2009-07-23 2015-08-11 Dean Robert Gary Anderson As Trustee Of The D/L Anderson Family Trust Hearing aids configured for directional acoustic fitting
US8879745B2 (en) 2009-07-23 2014-11-04 Dean Robert Gary Anderson As Trustee Of The D/L Anderson Family Trust Method of deriving individualized gain compensation curves for hearing aid fitting
CN102467906B (zh) * 2010-11-08 2013-12-04 财团法人雅文儿童听语文教基金会 听力检测方法及系统
CN102467906A (zh) * 2010-11-08 2012-05-23 财团法人雅文儿童听语文教基金会 听力检测方法及系统
US8942397B2 (en) 2011-11-16 2015-01-27 Dean Robert Gary Anderson Method and apparatus for adding audible noise with time varying volume to audio devices
US10142742B2 (en) 2016-01-01 2018-11-27 Dean Robert Gary Anderson Audio systems, devices, and methods
US10142743B2 (en) 2016-01-01 2018-11-27 Dean Robert Gary Anderson Parametrically formulated noise and audio systems, devices, and methods thereof
US10798495B2 (en) 2016-01-01 2020-10-06 Dean Robert Gary Anderson Parametrically formulated noise and audio systems, devices, and methods thereof
US10805741B2 (en) 2016-01-01 2020-10-13 Dean Robert Gary Anderson Audio systems, devices, and methods
CN113534052A (zh) * 2021-06-03 2021-10-22 广州大学 骨导设备虚拟声源定位性能测试方法、系统、装置及介质
CN113520377A (zh) * 2021-06-03 2021-10-22 广州大学 一种虚拟声源定位能力检测方法、系统、装置及存储介质
CN113534052B (zh) * 2021-06-03 2023-08-29 广州大学 骨导设备虚拟声源定位性能测试方法、系统、装置及介质

Also Published As

Publication number Publication date
DE102006058520A1 (de) 2008-06-26
DE502007001672D1 (de) 2009-11-19
PL1933590T3 (pl) 2010-03-31
DK1933590T3 (da) 2009-11-02
PT1933590E (pt) 2009-12-10
ES2332476T3 (es) 2010-02-05
SI1933590T1 (sl) 2010-02-26
EP1933590B1 (fr) 2009-10-07
ATE445298T1 (de) 2009-10-15

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