EP2247119A1 - Dispositif d'analyse acoustique d'un dispositif auditif et procédé d'analyse - Google Patents

Dispositif d'analyse acoustique d'un dispositif auditif et procédé d'analyse Download PDF

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Publication number
EP2247119A1
EP2247119A1 EP10160033A EP10160033A EP2247119A1 EP 2247119 A1 EP2247119 A1 EP 2247119A1 EP 10160033 A EP10160033 A EP 10160033A EP 10160033 A EP10160033 A EP 10160033A EP 2247119 A1 EP2247119 A1 EP 2247119A1
Authority
EP
European Patent Office
Prior art keywords
hearing
hearing device
sound
analysis
output
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.)
Withdrawn
Application number
EP10160033A
Other languages
German (de)
English (en)
Inventor
Li Nah Chua
Tze Peng Chua
Harald Klemenz
Eng Cheong Lim
Pei Chyi Kristy Lim
Nisha Shakila Ma
Boon Lan Ng
Yong Kiat Ng
Diana Schmidt
Yen Ling Elaine Tham
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 EP2247119A1 publication Critical patent/EP2247119A1/fr
Withdrawn legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1058—Manufacture or assembly
    • H04R1/1066—Constructional aspects of the interconnection between earpiece and earpiece support
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • 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
    • H04R25/30—Monitoring or testing of hearing aids, e.g. functioning, settings, battery power
    • H04R25/305—Self-monitoring or self-testing
    • 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
    • H04R25/55—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired
    • H04R25/552—Binaural

Definitions

  • the present invention relates to a device for acoustically analyzing a hearing device. Moreover, the present invention relates to a corresponding method for analyzing a hearing device.
  • hearing device is understood here to mean any sound-emitting device which can be worn on or in the ear or on the head, in particular a hearing device, a headset, headphones and the like.
  • 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 (IDO), e.g. Concha hearing aids or canal hearing aids (ITE, CIC).
  • BTE behind-the-ear hearing aids
  • RIC hearing aid with external receiver
  • IDO in-the-ear hearing aids
  • ITE 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 in FIG. 1 using the example of a behind-the-ear hearing aid shown. In a hearing aid housing 1 for carrying behind the ear, one or more microphones 2 for receiving the sound from the environment are installed.
  • 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 the signal processing unit 3 is effected by a likewise integrated into the hearing aid housing 1 battery. 5
  • Hearing aids are to be routinely examined from time to time for any defects in the event of a fault. Examinations can be performed either by the user or by an acoustician. However, in many cases matching equipment is not available, in particular for hearing aids in pediatric care. Also fast self-tests are not possible or not accurate.
  • the user is responsible for certain analyzes, such. B. the functionality of microphones or listeners regarding, no measurement options available. The user therefore has to visit an acoustician in case of suspected fault to check the hearing aid.
  • the object of the present invention is therefore to provide the user of a hearing device with an analysis option for detecting errors.
  • this object is achieved by a device for acoustically analyzing a hearing device comprising a first hearing device having a first sound input and a first sound output, and a second hearing device having a second sound input and a second sound output, wherein the first hearing device is acoustically in communication with the second hearing and with the first hearing the acoustic connection can be analyzed and a corresponding result can be output.
  • the invention provides a method for acoustically analyzing a hearing device by acoustically co-operating a first hearing device with a second hearing device, analyzing the interaction with the first hearing device or with a separate analysis device and outputting an analysis result from the first hearing device.
  • a hearing device is checked acoustically from another hearing device.
  • the two hearing aids for a binaural care can test themselves.
  • such a hearing aid wearer can check for himself whether the microphones and earphones of his hearing aids are fully functional.
  • the two hearing devices can communicate acoustically with one another by means of a tube system, wherein each of the first sound input, the second sound input, the first sound output and the second sound output is respectively arranged at one end of a separate tube of the pipe system.
  • a "separate tube” is to be understood as part of the tube system. Ie. separate tubes can also be interconnected. Through this tube system necessary for the analysis test sounds are selectively transported from the sound outputs to the sound inputs of the hearing. An external influence can thus largely be prevented.
  • the other ends of the separate tubes are connected to one another.
  • the separate tubes can converge in a star shape in one point. This can also be interference the sound signals of both sound outputs are generated and measured.
  • a multi-way switch may be arranged, via which the tubes can be selectively connected to each other in pairs, three or four. This may allow for more specific testing.
  • the analysis device has a closed container in which the first and the second hearing device are inserted, so that the two hearing devices acoustically communicate with each other by direct mutual sounding and / or by reflections on the walls of the container. This also allows test sounds to be sent back and forth largely unaffected by the external environment between the hearing devices, or interferences can be observed.
  • the two hearing devices may be in electromagnetic communication with each other for the purpose of analysis.
  • the analysis can be automatically initiated and synchronized by the two hearing devices.
  • the first hearing device may be able to analyze an acoustic signal with regard to levels, oscillations, beats and / or interferences. This can be relatively secure information about the functioning of microphones and listeners of the hearing to win.
  • the first hearing device can have a signal generator for generating a test sound. This can be advantageously integrated into a hybrid circuit of a hearing device or a hearing aid.
  • the (to be analyzed) second hearing device may be able to output a recorded test sound with unchanged frequency amplified. Output signals with frequency changes then indicate corresponding processing errors.
  • the result of the analysis from the first hearing device to a remote control can be transmitted and reproduced with the remote control.
  • a hearing aid wearer can comfortably determine whether one of his hearing aids is defective.
  • the first hearing device may be identical to the second hearing device. Then, this provides a hearing device, for example via a tube or in a container by reflection from its sound output a test sound to its sound input.
  • the hearing device or the hearing aid itself can test acoustically.
  • a chip can be connected to the first hearing device, which causes the first hearing device to analyze the second hearing device according to test data stored on the chip.
  • the chip can also initiate the analysis itself. This makes it possible that complicated analyzes can be carried out, for example, with hearing aids, without corresponding comprehensive data having to be stored on the hearing aid-internal chips or signal processing units.
  • the device according to the invention has an analysis device separate from the first and the second hearing device, with which the analysis of the acoustic connection can be carried out instead of the first hearing device.
  • This analysis device can be integrated in a case or a remote control. It may also be advantageous that the analysis device analyzes an interference of the output sound of both hearing devices. This makes it easy to detect minimal differences between the two hearing aids.
  • the following examples show the analysis of hearing devices based on hearing aids, in particular of two hearing aids for binaural care (left hearing aid and right hearing aid).
  • the analysis is performed either by a hearing aid, both hearing aids or by a simple separate analyzer.
  • the output sound of a hearing aid, the input signal of a hearing aid or the interaction of the output sound of two hearing aids (interference) can be examined with a variety of methods.
  • the signals can be examined with regard to levels, oscillations, beats, interferences, sound pressures, settling times, decay times and the like.
  • a test setup according to FIG. 2 A first hearing device 10 is used for analyzing or measuring a second hearing device 20.
  • the first hearing device 10 has two microphones 11 and a receiver 12 here.
  • the second hearing device 20 likewise has two microphones 21 and a receiver 22.
  • the sound inputs and the sound outputs of both hearing aids 10, 20 are connected to each other via a tube system 30.
  • the tube system 30 has in this case four individual tubes L 11, L 12, L 21 and L 22nd All tubes are connected here at a common crossing point 31 with each other. This intersection point 31 is in FIG. 2 enlarged in a detailed view.
  • the respective free ends of the tubes are connected to a sound input or a sound output of one of the two hearing aids.
  • the free end of the tube L 11 is preferably acoustically tightly connected to the microphones 11 of the first hearing device 10.
  • the tube L 12 is connected to the sound outlet on the support hook of the hearing aid 10.
  • the tube L 21 is connected to the microphones 21 of the second hearing device 20 and the tube L 22 is connected to the sound outlet on the carrying hook of the second hearing device 20.
  • Each of the two hearing aids 10, 20 also has a computer interface 13 or 23, via the test signals or test programs can be entered into the respective hearing aid.
  • each of the two hearing aids 10, 20 has a chip 14 or 24 to store or generate test signals. If appropriate, such a chip in the manner of a dongle can also be connected to one or both hearing aids 10, 20 in order to carry out or initiate the test.
  • both hearing aids 10, 20 are wirelessly in communication connection. Furthermore, an additional analysis device 50 may be provided if the hearing aids 10, 20 do not perform the tests alone or not. In the present case, the analysis device 50 picks up signals at the intersection point 31 with a sensor. Not only can sound levels or sound pressures be measured at the point of intersection 31 of the tube system, but also interferences and the like can be detected.
  • One of the two hearing aids, z. B. first hearing aid 10 serves as a reference and should check the status of the components of the second hearing aid 20.
  • the chip 14 serves as a signal source for the test sound. So that the second hearing device 20 emits a corresponding test sound, a corresponding signal is transmitted from the first hearing device 10 to the second hearing device 20 via the wireless connection 40.
  • the chip 14 can also perform an entire test program and control the first hearing aid 10 and the second hearing aid 20 via the wireless connection 40 accordingly.
  • the first hearing aid 10 thus serves as a master hearing aid for the analysis.
  • the analysis results are presented to the user, for example via the analysis device 50 or another display device.
  • a case of the hearing aids can be used with a corresponding display unit or a remote control of the hearing aids.
  • the respective unit transmits these analysis results for further processing or output to one of the said playback devices, if necessary.
  • the second hearing aid 20 can be tested by the first hearing aid 10 with a sound signal of a predetermined programmed frequency.
  • This sound signal is output by the handset 12 of the first hearing device 10 and passed via the tubes L 12 and L 21 to the microphones 21 of the second hearing device 20.
  • the second hearing aid 20 picks up the test sound of the specific frequency through its microphones and sends back a sound signal having the same frequency. This is done with his handset 22 via the tubes L 22 and L 11 to the microphones 11 of the first hearing aid 10. This loop can ensure that the second hearing aid 20 is working correctly. If a difference of the output sound of both hearing aids 10, 20 occurs, this is a sign that with high probability the second hearing aid 20 is defective.
  • other sound quantities can also be analyzed for the analysis.
  • the hearing aids as in the example of FIG. 2 be connected to each other via the tube system 30.
  • the two hearing aids but also in a closed container, for.
  • FIG. 3 shown schematically.
  • the two hearing aids 10 and 20 are located in the container 60.
  • the sound signals 61 emitted by the hearing aid 10 are reflected on the walls of the container 60. This produces reflected signals 62.
  • These emitted signals 61 and reflected signals 62 are used for the analysis.
  • a single hearing aid can thus test itself in the container 60.
  • a concrete analysis can then be carried out such that initially the first hearing device 10 emits a test signal at its sound output, which is recorded by the second hearing device 20 with the aid of its microphones 21.
  • the second hearing aid 20 can check its two microphones 21 separately. If both microphones of the second hearing device 20 do not generate a signal, the first hearing device 10 can test the signal using its own microphones 11. In the event that no signal is received then, the probability is high that the listener of the first hearing aid 10 is defective.
  • the result can be wirelessly transmitted, for example, to a remote control 70, for example, to graph it.
  • a statement about the measuring device in which the hearing aids are integrated can also be made.
  • the container 60 is then not completely closed or it is a microphone or the handset clogged. If only high signal components reach the microphones, but the low signal components are lost, the probability that the test container 60 or the tubes of the tube system 30 is high have a small hole or are not completely closed. In the other case, that low-frequency signal components reach the microphones and higher frequencies are lost, the likelihood is high that the handset or the microphones are defective or clogged.
  • a defective component or a malfunction can be determined after a series of measurements with a high probability.
  • the individual tests can also be varied by the fact that the hearing aids are acoustically different to the one used in the analysis FIG. 2 be coupled.
  • a multipath switch could be installed in the node 31, connecting in any way the tubes L 11 , L 12 , L 21 and L 22 together.
  • the tubes may optionally be interconnected in groups of two, three or four tubes.
EP10160033A 2009-04-27 2010-04-15 Dispositif d'analyse acoustique d'un dispositif auditif et procédé d'analyse Withdrawn EP2247119A1 (fr)

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EP1865746A2 (fr) 2006-06-08 2007-12-12 Siemens Audiologische Technik GmbH Dispositif de test compact pour appareils auditifs

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2897383A1 (fr) * 2014-01-16 2015-07-22 Siemens Medical Instruments Pte. Ltd. Procédé et dispositif destinés à l'analyse de réglages d'appareil auditif
US9538294B2 (en) 2014-01-16 2017-01-03 Sivantos Pte. Ltd. Method and device for analyzing hearing aid settings

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US8249262B2 (en) 2012-08-21
US20100272273A1 (en) 2010-10-28

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