EP3167627A1 - Système de correction auditive avec programmation spécifique à un utilisateur - Google Patents

Système de correction auditive avec programmation spécifique à un utilisateur

Info

Publication number
EP3167627A1
EP3167627A1 EP15736240.1A EP15736240A EP3167627A1 EP 3167627 A1 EP3167627 A1 EP 3167627A1 EP 15736240 A EP15736240 A EP 15736240A EP 3167627 A1 EP3167627 A1 EP 3167627A1
Authority
EP
European Patent Office
Prior art keywords
hearing system
programming
test signal
user
hearing
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.)
Ceased
Application number
EP15736240.1A
Other languages
German (de)
English (en)
Inventor
Andreas Thomas KOJ
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.)
Koj Inst fur Gehortherapie AG
Koj Institut fur Gehortherapie AG
Original Assignee
Koj Inst fur Gehortherapie AG
Koj Institut fur Gehortherapie AG
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 Koj Inst fur Gehortherapie AG, Koj Institut fur Gehortherapie AG filed Critical Koj Inst fur Gehortherapie AG
Priority to EP22153552.9A priority Critical patent/EP4017031A1/fr
Publication of EP3167627A1 publication Critical patent/EP3167627A1/fr
Ceased legal-status Critical Current

Links

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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/12—Audiometering
    • A61B5/121—Audiometering evaluating hearing capacity
    • A61B5/123—Audiometering evaluating hearing capacity subjective methods
    • 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
    • H04R25/558—Remote control, e.g. of amplification, frequency
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/12—Audiometering
    • A61B5/121—Audiometering evaluating hearing capacity
    • 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
    • H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/55—Communication between hearing aids and external devices via a network for data exchange

Definitions

  • the present invention is in the field of hearing systems, in particular hearing aids and implantable hearing systems and their programming.
  • the invention relates to a method for user-specific programming of a hearing system, in particular an external hearing device or an implantable hearing system.
  • the invention further relates to a hearing system programming device and a hearing system arrangement.
  • Hearing aids for improving hearing are used in large numbers for many years and are in principle well known.
  • various forms of behind-the-ear devices and in-ear devices are used as conventional designs, but also other specialized systems such as bone conduction hearing aids and implantable systems, in particular implantable hearing aids and cochlear implants.
  • a hearing aid of known design acts on a purely acoustic and physical level and increases the sound pressure acting on the eardrum, for the (speech) understanding and other hearing related perception processes (eg the directional localization) the subsequent processing in the brain central, which is largely learned.
  • the brain of a person with sound or undamaged hearing in conjunction with an undamaged ear is in particular able to concentrate on certain sound events of interest (eg a whispering or superimposed by strong noise) and hide other sound events and sound signals or to mask.
  • the brain loses much of its ability to "concentrate” acoustically, and its ability to discriminate between useful acoustic signals and other interfering signals is lost, so the subsequent use of a hearing system, such as a hearing aid, is subjective in essence to perceive more noise, but not to a satisfactory improvement in hearing.
  • a method according to the invention for user-specific programming of a hearing system comprises the following steps:
  • Determining a modified programming of the hearing system by the hearing system programming device Determining a modified programming of the hearing system by the hearing system programming device, wherein the determination of the modified programming takes place in consideration of an evaluation of the received at least one feedback by the user of the hearing system;
  • the generation of the at least one acoustic test signal is carried out by the hearing system programmer.
  • the blasting can also be done by the hearing aid programmer.
  • Such a reproduction unit can in particular be formed by the hearing system to be programmed itself, as explained in more detail below.
  • the method includes transmitting the at least one test signal from the hearing system programmer to the external playback unit.
  • the hearing system may be of basically any known type, and in particular a behind-the-ear or in-ear device. However, it may also be a bone conduction hearing aid or an implantable system, in particular an implantable hearing aid or a cochlear implant.
  • the hearing system may further comprise two basically separate devices, each associated with an ear of the user.
  • the user or wearer of the hearing system is generally referred to as a "user.”
  • This user is often a person with limited hearing or with partial hearing loss, but the user can also be a person with other afflictions. which affects hearing, such as tinnitus, hypersensitivity, poor concentration, and / or other deficits in auditory processing, such as Attention Deficit Disorder (ADD), Attention Deficit / Hyperactivity Disorder (ADHD), or Auditory Processing Perception disorder (AVWS) .
  • ADD Attention Deficit Disorder
  • ADHD Attention Deficit / Hyperactivity Disorder
  • AVWS Auditory Processing Perception disorder
  • the at least one test signal in conjunction with the evaluation of the feedback of the user provides a database for the modification of the programming of the hearing system.
  • the probe signal may serve as a training signal by which the user's brain is trained for its ability to correctly evaluate and classify sound events, and in particular to distinguish between useful signals and interfering signals.
  • a method is provided for patient-specific programming of a hearing system in which the programming adapts adaptively to the hearing and listening comprehension of the user. As shown below, this adaptation can be carried out continuously or distributed over a relatively long period of time, taking into account changes in hearing that occur during programming of the hearing system.
  • the "programming" of the hearing system comprises the total of all adjustable or selectable parameters for patient-specific adaptation of the hearing system, such as global (frequency-unspecific) gains, frequency-dependent or frequency-specific gains, additional filters or compression parameters of a dynamic compression in the hearing system, parameters of limiters and others in certain hearing aids, such as a microphone selection.
  • evaluating the at least one feedback from the user of the hearing system comprises comparing the at least one feedback with a corresponding reference feedback. The determination of the modification of the programming is then based at least in part on the result of the comparison.
  • the reference answers can be z. B. be queried online from an external database or stored in a memory of the hearing system programmer, z. In the form of a database.
  • the reference feedback may correspond to the correct solving of an acoustic practice task or, more generally, the correct recognition of an acoustic situation, and further alternative feedback to an incorrect (ie false) solution of an exercise task or an incorrect acoustic event Situation.
  • the feedback of the user can be understood in response to a question determined by the test signal.
  • the feedback from the user is therefore binarily classified as either "correct” or "incorrect”. In particular, this does not indicate correct, d. H. feedback not responding to the reference feedback, to a need for a change in programming, such as amplification.
  • a correct feedback or a correct answer indicates that there is no requirement for a modification of the programming of the hearing system with regard to the hearing-acoustic aspect covered by the respective exercise task.
  • a plurality of feedback messages may be compared with a corresponding plurality of reference feedback messages and used for the purpose of determining the feedback.
  • each emission of a test signal and the receipt of an associated response correspond to the release of a single exercise task by the user.
  • a modification of the programming can z. B. occur when - for a number of the same or similar exercises or test signals, the proportion of incorrect responses (not the respective reference feedback corresponding feedback) exceeds a threshold.
  • the individual exercises can in particular also distributed over time, z. B. be completed over a period of days to weeks.
  • the approach proposed here has the advantage over known from the prior art approaches that a modification in the programming of the hearing due to objective and comprehensible criteria, and not primarily on the basis of a subjective assessment of the programming by the user. Furthermore, because the reference responses (and thus the correct responses to the exercises) are present in the hearing instrument programmer and the comparison is made by the hearing instrument programmer, it is not necessary for the user to know the test signal in advance. Instead, he is - in accordance with everyday situations typically occurring - confronted with him in their concrete embodiment of unknown sound events.
  • the solutions known in the prior art are based on the fact that the same test signal with different programming of the hearing system is presented to the user and that he is subjectively deciding on the best variant.
  • the at least one test signal comprises at least one random component.
  • a random component can, for. B. be realized by means of a random number generator and relate for example to one or more of the following aspects: selection of a test signal; Composition of the test signal from useful signal and interference signal such described below; Volume of the test signal; Voice of spoken components of the test signal, direction from which the test signal comes; Frequency or pitch of the test signal; Musical instrument used to reproduce a sequence or melody; Duration of the presentation or emission of the test signal.
  • the at least one test signal comprises a disturbed test signal, wherein the disturbed test signal comprises a useful signal and an interfering signal.
  • the spurious signal comprises a uniform spurious signal and / or at least one pulse signal.
  • the interference signals can be synthesized both by the hearing system programmer, for example by a hardware and / or software implemented noise generator, as well as by stored real noise, with which a user is typically confronted in everyday life.
  • the method includes increasing and / or decreasing a level of the interfering signal relative to the useful signal in response to the received at least one feedback from the user of the hearing system.
  • a feedback given by the user may alternatively correspond to a correct or incorrect solution of a predetermined exercise task.
  • an increase in the level of the interference signal can occur with a high proportion of correct responses, whereby the user is gradually accustomed to acoustically more difficult situations without being overstrained.
  • the level of the interference signal can be reduced accordingly or omit or at least slowed down a further increase in the interference signal level.
  • the tuning of the ratio between interfering signal and payload can be uniform for all practice tasks and test signals, or separate and adaptive for different types of training tasks and test signals.
  • a lesser noise level can be selected than for exercises and test signals in which the user largely or completely correctly responds, ie the feedback corresponds in each case to the reference feedback ,
  • the at least one test signal comprises at least one of: spoken numbers, numbers, lutes, syllables, phonemes, words, phrases, sentences, sounds, sounds, and melodies.
  • a test signal or a useful signal as part of the test signal may include such acoustic signals that are to be perceived and processed in everyday life by the user of the hearing system, in particular language and its components.
  • the method includes performing a plurality of data collection sequences, wherein the at least one generated test signal differs between the individual data collection sequences for at least a portion of the data collection sequences.
  • the method includes performing a number of data collection sequences over several days, particularly over several consecutive days. One or another sequence of data collection sequences can be performed on each day. Furthermore, the steps of evaluating the user feedback (s), determining a modified programming of the hearing system as well as the mo- making the programming of the hearing system performed several times during one day, every day, or only part of the day.
  • the determination of the modified programming of the hearing system includes a determination of a modified gain.
  • the amplification is considered here in particular as a function of the frequency, that is, it is generally different for different frequencies.
  • the determination of the modified gain includes determining a frequency-dependent change in gain in response to the at least one feedback from the user.
  • a "frequency-dependent change in the gain” means, in particular, the targeted selective change of the gain for one or more specific frequency (s) or frequency range (s), while the gain remains unchanged for the other frequencies or frequency ranges.
  • the determination of the modified gain includes the determination of a frequency independent gene amplification in response to the at least one feedback from the user includes.
  • a "frequency-independent change in gain” is a change in gain that relates to the audible range that can be processed by the hearing system as a whole and in substantially the same way, for example an increase in gain by a predetermined number of decibels over the entire frequency range Based on feedback from the user, it may include test signals as previously described, but also independently of time, for example, timed.
  • the method includes performing a plurality of programming sequences with incrementally increasing the gain toward a target gain.
  • individual steps of the incremental increase of the gain, in particular the frequency-independent amplification can be done on different days.
  • the method may also include reducing or decreasing the gain and / or maintaining the gain without modification. In a distributed over a period of several days execution of the method can be maintained or lowered about some days, the previous gain unchanged.
  • the method includes performing a first programming step and then performing a second programming step.
  • Each of the first and the second programming stage comprises performing at least one data collection sequence.
  • the determination of the modifi- In the first programming stage, amplification takes place independently of frequency.
  • the determination of the modified gain is frequency-dependent.
  • each of the first and second programming stages is performed over several days.
  • An inventive hearing system programming device comprises:
  • test signal generator designed to generate at least one acoustic test signal
  • At least one acoustically reproducing unit operatively coupled to the test signal generator and designed for acoustic emission of the at least one test signal and / or a transmission unit operatively coupled to the test signal generator for transmitting the at least one test signal to an external reproduction unit;
  • an input unit configured to receive a response of a user in response to the at least one test signal
  • a program modification unit designed to determine a modified programming of a hearing system taking into account the received feedback
  • an adaptive configuration memory operatively coupled to the program modification unit for storing a configuration of the programming of the hearing system
  • a communication unit designed for data communication with the hearing system and for transmitting the modified programming to the hearing system.
  • the hearing system programming device can be designed in particular for carrying out a method according to the invention for user-specific programming of a hearing system.
  • a hearing system programmer is provided, which allows a patient-specific programming of a hearing system such that the programming adapts to the changing hearing of the user.
  • the program modification unit is configured to compare the at least one feedback with a corresponding reference feedback and to determine the modified programming based at least in part on the result of the comparison. Further features and variants also emerge directly from the disclosure of the method according to the invention.
  • the said functional components of the hearing system can structurally be realized in a single or distributed to different devices.
  • described embodiments and variants of the method for user-specific programming of a hearing system simultaneously disclose corresponding embodiments of a hearing system programming device.
  • embodiments of the hearing system programming device simultaneously disclose corresponding embodiments of the method for programming a hearing system.
  • An inventive hearing system arrangement comprises:
  • a hearing system programmer as described above and below; b) a programmable hearing system, wherein the hearing system has a communication interface designed for data communication with the communication unit of the hearing system programming device and is designed to change its programming by means of data received via the communication interface of the hearing system.
  • an inventive hearing system arrangement can be implemented structurally distributed.
  • FIG. 1 shows an exemplary hearing system arrangement with a hearing system and a hearing system programming device in a schematic structural and functional view
  • Figure 2 shows an exemplary external design of a Hörsystemprogrammierêts in a schematic view
  • FIG. 3 schematically shows a possible structure of the sequence of a method for patient-specific programming of a hearing system
  • FIG. 1 schematically shows the sequence of a method for patient-specific
  • FIG. 5 shows, in a schematic way, the course of a part of the method for patient-specific programming of a hearing system according to FIG. 4;
  • FIG. 6 schematically shows a frequency-independent change in the amplification of the hearing system over time
  • Figure 7 shows schematically the outlines of spectrograms for two example similar sounds
  • FIG. 8 shows schematically the sequence of a frequency-dependent change of the
  • FIG. 1 shows a hearing system arrangement in a schematic structural and functional view.
  • the hearing system arrangement comprises the hearing system programming device 1 and the hearing system 2.
  • the hearing system 2 is assumed as an external hearing device, for example as a behind-the-ear device or in-ear device of basically known construction, but may also correspond to a different type of hearing system the general description.
  • the hearing system 2 can be formed by two separate devices, for example by two external hearing aids of the type described above, each of which is associated with one of the ears of the user.
  • the basic functionality of the hearing system 2 is shown summarized in a functional unit 20. This unit 20 is operatively coupled to a bidirectional communication interface 21.
  • the hearing system programming device 1 comprises a central control unit io, a test signal generator 11, an acoustic reproduction unit 12, an input and display unit 13, a program modification unit 14, an adaptive configuration memory 16 and a bidirectional communication unit 15, which is for data communication with the communication unit 21 of the hearing system 2 is designed.
  • the central control unit 10 represents the central control unit of the hearing system programming device 1.
  • the central control unit 10 controls and coordinates the sequence of the steps and functions performed by the hearing system programming device 1.
  • the remaining functional components of the hearing system programmer 1 are operatively coupled to the central control unit 10.
  • the central control unit 10 controls in particular the sequence of exercises , Tasks and lessons, and thus the overall process of the procedure.
  • the test signal generator 11 comprises a useful signal generator 11a and an interference signal generator 11b.
  • the test signal generator 11 provides the required test signals with their respective useful signals and interfering signals.
  • Useful signals as well as interference signals can be generated by the useful signal generator 11a or the interference signal generator 11b in the form of recorded and stored in digital form acoustic signals, for example in the form of known methods of sound recording technology recorded speech, background noise, etc.
  • the use of records of "real" acoustic signals has the advantage of a particularly lifelike sound, the, for example Language, identical with a real human voice.
  • the useful signal generator na and / or the interference signal generator 11b of the test signal generator 11 may also be designed for synthesizing artificial test signals or parts of test signals.
  • the useful signal generator 11a may comprise, for example, an arrangement for speech synthesis and the interfering signal generator 11b pulse generators and noise generators basically known type.
  • the acoustic reproduction unit 12 is exemplary two-channel and thus designed for acoustic reproduction and radiation of stereo signals.
  • the acoustic reproduction unit 12 comprises, for the left and right channels, respectively, an amplifier 120a or 120b and a loudspeaker 121a or 121b.
  • the amplifiers 120a, 120b and the loudspeakers 121a, 121b are constructed in a basically known manner and, if required, can also have several paths for different frequencies plus crossovers.
  • the acoustic reproduction unit 12 preferably also includes digital-to-analog converters (not shown separately in FIG. 1) for converting the test signals provided in digital form.
  • the hearing system programming device does not comprise an acoustic reproduction unit 12. Instead, test signals are transmitted by means of a transmission unit, which is activated by the communication system explained in more detail below. cut parts 15 and / or a further interface can be formed, transmitted directly to the hearing system 2 reproduced by this.
  • the input and display unit 13 is assumed here as an example as a touch screen. However, in addition or as an alternative, it may also comprise other devices, such as a mouse, a conventional keyboard, a voice input unit with microphone, a camera-based device for recognizing and evaluating hand movements and / or gestures and / or facial features.
  • the communication unit 15 for bidirectional data communication with the communication unit 21 of the hearing system 2 is executed in a basically known manner, for example according to the Bluetooth standard or as an NFC unit (near field communication unit) but it can also be, for example, a WLAN module, an infrared interface or a galvanic interface with electrical contacts.
  • FIG. 1 The illustration according to FIG. 1 is primarily used to provide an overview of the interaction of the individual functional components of the hearing system arrangement. It does not imply any special, limiting technical realization. Thus, functional components shown separately in FIG. 1 may be wholly or partly integrated in a specific technical embodiment. Likewise, a single functional component can be realized by a plurality of structural components.
  • the programming of the hearing system programming device 1 typically takes place in a mixture of hardware components as well as software and / or firmware components which are stored in a nonvolatile memory.
  • a central component of the hearing system programming device 1 is a computer unit with basically known components, which is programmed accordingly by means of software and / or firmware. This can be further components, for. B.
  • the hearing system arrangement is structurally and functionally self-contained, requiring its function in particular to exchange data with other external devices, devices or system components, such as external computers, databases or servers.
  • the hearing system programming device is implemented distributed in its functionality, wherein individual functional components z. B. in the form of an external unit, the z. External servers and / or databases ken are realized.
  • a local unit then typically comprises the communication interface 2i, the acoustic reproduction unit 12 and the input and display unit 13. Further components may be wholly or partly outsourced to the external unit.
  • the external and the local unit communicate during operation via correspondingly known communication interfaces and communication channels, such as an Internet connection.
  • Such an architecture makes it possible, in particular, to outsource all or part of the data and / or computer-intensive functions to the external unit.
  • the local unit can be made comparatively compact, technically less complex and less expensive.
  • the external unit can, for. B. databases or libraries of test signals include, if necessary, all or part of which are transmitted to the local unit.
  • the external unit may provide functionalities for modifying the programming of the hearing system 2, such as modification algorithms, lists and look-up tables stored in the form of program code.
  • an overall sequence of tasks, exercises and lessons, as previously described and described below by way of example, can be permanently stored in a memory of the central control unit 10 or transmitted in whole or in part by an external unit.
  • FIG. 2 shows a possible external shape of a hearing system programming device 1 according to FIG. 1 in a schematic plan view.
  • the components of the hearing system programming device 1 are divided into three modules 1a, 1b, ic, each with its own module housing.
  • the hearing system programmer 1 is for use on a table or the like, wherein the plan view shown in Figure 2 is inclined towards the table surface like a desk.
  • the module 1a is a centrally located main module which typically houses most of the components of the hearing system programmer 1 and, in a typical implementation, the computer in particular.
  • the two left and right of the main module 1a arranged side modules ib, ic take in particular the two speakers 121a, 121b, but can also other components, eg. B. record the speakers upstream amplifier 120a, 120b.
  • the distance between the speakers 121 a, 121 b is dimensioned such that for a typical operating distance of z. B. 30cm to 50cm a good stereo location is given.
  • FIG. 2 shows the hearing system programming device 1 in its operating state.
  • the side modules ib, ic are preferably mounted on (not separately referenced) hinges on the main module 1a, so that they can be folded onto the main module for transport and storage along the hinge lines A, A l .
  • the side modules ib, ic are preferably held n their closed position, for which advantageous z. B. inside permanent magnets may be present.
  • the input and display unit 13 embodied as a touchscreen occupies a large part of the surface of the main module 1a.
  • the touchscreen 13 possibly in conjunction with the speakers 121a, 121b, serves as a general user interface for operating the hearing system programming device 1.
  • the hearing system programming device 1 can be required have further controls.
  • FIG. 2 shows by way of example a main switch 13a.
  • FIG. 3 schematically shows a hierarchical approach for an exemplary implementation of a method for user-specific programming of a hearing system.
  • a hearing system 2 is configured or programmed for carrying out a method according to the invention for a specific user.
  • a hearing system programmer 2 can store a plurality of modules with tasks, exercises and lessons which are selected in an initial phase and put together to an individual procedure.
  • the controlled by the central control unit 10 and coordinated implementation of the method is then based on this individual programming or configuration.
  • the individual configuration can also be retrieved or transmitted by an external unit as described above.
  • the implementation of the method is accompanied by the completion of a series of lessons L by the user, wherein the individual lessons L are completed at a time interval.
  • the steps belonging to one and the same lesson L are carried out substantially immediately one behind the other and in one unit.
  • Each lesson L comprises a series of exercises Ü to be completed in succession.
  • Each exercise Ü addresses a specific topic that needs to be considered in user-specific programming.
  • Each exercise Ü comprises a series of tasks A.
  • a task A comprises the presentation of at least one sound event in the form of the emission of at least one test signal by the hearing system programming device 1, to which the user is informed by inputting a feedback message according to a predetermined and z. B. responded via the touch screen 13 notified task.
  • an exercise in addition to an acoustic test signal also include other components, in particular a, z. B. on the touch screen 13 illustrated optical information, such as an image that is in a meaningful context with the acoustic test signal.
  • An exercise Ü consists of a sequence of basically identical tasks A of different specific characteristics, as shown below. Each completed task A can be classified as an alternative "correctly solved” or “wrongly solved” based on the feedback given by the user, or a degree or percentage can be determined for which the respective task was correctly solved. The same applies to exercises Ü and lessons L as higher-level units. A training task is correctly solved if the feedback received from the user corresponds to the reference feedback. The contents of the individual tasks A, exercises Ü and lessons L is designed such that the test signals used in each case in conjunction with the evaluation of the feedback of the user form a database for the user-specific modification of the programming of the hearing system 2.
  • the hearing system programming device 1 also serves as a hearing training device.
  • the procedure presented here with a breakdown by tasks, exercises and lessons is only an example of a possible structure of the timing of the process.
  • FIG. 4 shows, in the form of a simplified flow diagram, an exemplary sequence of a method for user-specific programming of the hearing system 2 by means of the hearing system programming device 1.
  • the user-specific programming according to the present disclosure is carried out in steps S1-1 to Si-n, which in each case run in basically the same way and in each case comprise the implementation of a lesson L.
  • the user-specific programming is carried out over a period of n days, for example consecutive days, whereby a corresponding step Si-x is carried out on each day x.
  • the execution of step Six is accompanied by the completion of a corresponding lesson Lx.
  • the duration for the execution of each step Si-x and thus the duration for the completion of a lesson by the user is approximately 45 minutes, for example.
  • the individual lessons are built on each other and have a progressing complexity and difficulty, as described in more detail below. In this case, each of the steps Si-i to Si-m is fundamentally the same, as described below.
  • FIG. 5 shows, in the form of a simplified flow chart, an exemplary sequence for a single step Si-x according to FIG. 4.
  • the lesson L-x associated with step Si-x involves completing a series of exercises associated with successive steps Sio-i through Sio-m, where m denotes the number of exercises of a lesson.
  • the number m of exercises can be the same or different for the different lessons L-x.
  • m is in a range of three to eight.
  • Each exercise involves the completion of a series of tasks to which the successive process steps Sioo- ⁇ - ⁇ to Sioo-x-r are assigned.
  • each of the steps Sio-i to Sio-m is basically constructed as exemplified in FIG. 5 for the step S-10-1.
  • the number r of the tasks can be the same or different for the individual exercises.
  • an indication is given to the user as to whether or to what extent the task has been correctly resolved. This can be done for example by textual and / or symbolic and / or color displays on the touch screen 13. Furthermore, the optional possibility may be provided to repeat a "wrongly" solved task, whereby the can be limited to a number of, for example, three repetitions.
  • step Sii-x the program modification unit 14 and / or the central control unit 10 carries out an evaluation of the feedback received in the individual exercises and tasks via the touch screen 13.
  • the program modification unit 14 determines a modified programming for the hearing system 2 and stores it in the adaptive configuration memory 16. While in FIG. 5 the determination of the modified programming is shown as a separate step S11, the execution of step S11 can also be distributed in time, for example immediately after the completion of an exercise and thus within steps S10-1, S10-2 ... Sio-m. Likewise, it can be done continuously while completing the tasks and / or exercises.
  • step S12 by means of the communication unit 15 of the hearing system programming device 1 and the communication unit 21 of the hearing system 2, a transmission of the modified programming determined in step S12 and a change of the programming of the hearing system 2 from the initial given at the beginning of the step Si-x Programming for modified programming.
  • This modified programming in turn forms the initial programming for the next following lesson x + i and thus the subsequent step Si- [x + i].
  • step S11 previously described, further the possibility of making the change of programming and thus the execution of step S12 distributed over time.
  • the learning configuration memory 16 stores the programming of the hearing system 2 which changes during the application of the method, and thus represents adaptive memory for programming the hearing system 2 in accordance with the modification of the programming of the hearing system 2.
  • step S12 and optionally also the step S11 is not carried out within each step Si-x and thus during the completion of each lesson, but only within a part of these steps, for example in the context of every second, third, or fifth Step Si-x.
  • each task A is directed to one aspect or a number of specific aspects of hearing and auditory perception that a human typically perceives and processes acoustic signals mastered by a user equipped with a hearing aid is essential for the benefits of the use of the hearing aid in everyday life.
  • Some examples of such aspects are (exemplary): speech understanding, dichotic listening, linking of acoustic and visual perception, associative listening
  • the following table exemplifies different types of exercise for different disciplines. Discipline Task (s) / Exercise (s)
  • Dichotomous listening Understanding the content played back by a channel eg.
  • Associative listening counting the frequency of numbers, words, or characteristic sounds (eg, clinking of glass) in a prolonged heard passage.
  • the user interface of the hearing system programmer is used in each case, for. B. the touch screen 13, which provides each of the exercise corresponding graphical user interface, z.
  • the touch screen 13 which provides each of the exercise corresponding graphical user interface, z.
  • test signals for the left and right channels are different.
  • the contents to be understood by the user each represent a useful signal.
  • the useful signal can be overlaid with an interference signal.
  • the interference signal is a substantially uniform interference signal and / or a momentary pulse signal.
  • uniform interference signals are general traffic noise, the typical background noise of a restaurant or open-plan office, the noise of a stream, surf noise, etc.
  • pulsed interference signals are a church bell, and short barking dogs, or telephone bells.
  • the central control unit 10 controls the composition of the test signals from useful signal and interference signal so that with increasing time of the interference component or interference level is greater, ie the signal-to-noise ratio (SNR) decreases.
  • the interference level may increase, for example, with each of the steps Si-x, or only with each second or third step, for example.
  • the signal-to-noise ratio accordingly decreases from step to step.
  • the signal-to-noise ratio becomes slightly lower from day to day.
  • the noise level by the central control unit (10) can also remain the same or be reduced for different days, as explained in more detail below.
  • the central control unit 10 further controls the noise level in dependence on the feedback received from the user when completing the individual tasks / exercises. In particular, it is evaluated to what extent the respective exercises were correctly solved by the user. The better the exercises and tasks have been solved by the user, ie the greater the proportion of the feedback corresponding to a correct answer (in other words, the greater the proportion of the feedback corresponding to the respective reference feedback), the more the interference level is increased or decreased The signal-to-noise ratio is reduced. This ensures that the user presents increasingly difficult tasks / exercises during the application of the method, but the user is not overwhelmed under the specific circumstances given in each case.
  • the control of the interference level described here depends on the feedback from the wenders is particularly advantageous in terms of ear training, but not necessarily with regard to the modification of the programming of the hearing system.
  • the time-controlled increase of the interference level can, for example, be uniform between the individual steps Si-x, whereby, for example, the signal-to-noise ratio is reduced by the same level. Further, since the suppression of pulse-shaped interference signals is more difficult for the user than the suppression of substantially continuous signals, it can also be provided to provide pulse-shaped interference signals only in an advanced state of application of the method or, depending on the specific situation, also completely omit.
  • the central control unit 10 can compare the number or the proportion of correctly solved tasks with adjustable or fixed predetermined threshold values and adjust the interference level as a function of the comparison.
  • a lower and an upper threshold value for the number or the proportion of correct answers can be stored. If the lower threshold value is undershot, the central control unit reduces the interference level, and if it exceeds the upper threshold value, it increases it accordingly. If the number or proportion of correct answers lies between the threshold values, the interference level remains unchanged.
  • Corresponding thresholds may be identical for all exercises or different for at least some exercises.
  • test signals comprise only one useful signal.
  • Such a waiver may also be indicated in the course of improving the distinctness of similar sounding sounds, as further described below.
  • the selection of the useful signal in the individual exercises can be done partially randomly.
  • numbers, words, syllables and sentences may be stored by the central control unit 10 and / or the test signal generator 11, in particular the payload generator 11a, by means of a random number generator from a larger collection of numbers, letters, words, sentences, etc. stored in the test signal generator 11 , to be selected.
  • the selection of interfering signals may be wholly or partially randomized.
  • the hearing system 2 has a programmable gain A as a function of the frequency f, as is generally known from the prior art.
  • the gain A can be represented in a diagram as a curve over the frequency.
  • FIG. 6 shows, by way of example, three curves Ci, C2, C3 which are assumed to be linearly in pieces, the ordinate of the diagram being logarithmic in accordance with a level representation.
  • the qualitative progression of the curves corresponds to the (frequency-dependent) amplification which is necessary in order to compensate for the loss of hearing capability existing without the use of the hearing system 2.
  • the amplification of the hearing system is spread over a longer period of time and, for example gradually increased. This ensures that the user's hearing is accustomed to higher gains over an extended period of time without the increasing gain over time leading to an unacceptable increase in the subjectively perceived loudness of the noise.
  • the gain A is increased over time from the exemplary initial curve Ci, through the curve C2 as an exemplary intermediate state up to the curve C3 as an exemplary final state at the conclusion of the method, wherein the curve C3 the target gain in Function of the frequency represents.
  • a frequency-independent change in gain of the type previously described may be timed and independent of the feedback received from the user in response to the test signals.
  • feedback from the user can be taken into account.
  • These responses are typically not responses to tasks of the kind previously described and typically are not subject to the binary classification previously presented due to comparison with a reference feedback.
  • Such feedback rather concerns the well-being and listening comfort of the user.
  • the user may indicate whether the current gain is pleasant, marginally loud, or too loud (unbearably loud).
  • the method can extend the time scheduled to reach the final state (curve C3), reduce the desired gain in the target state, or - in the case of an acutely high gain - reduce the current gain. Furthermore, it can be provided be that the user triggers the time of the next step of an increase of the gain in the direction of the desired final state by an input itself.
  • the method may include selectively changing the gain at specific frequencies or in specific frequency ranges.
  • the differentiation ability with respect to similar sounding letters, syllables or phonemes can specifically be improved.
  • FIG. 7 shows by way of example and schematically in a common diagram the essential outlines of the spectrograms for a spoken "SOO" (left) or a spoken and “ZOO" (right). It can be seen that the spectrograms differ in particular in a frequency range above 6 kHz. This frequency range is clearly present in “ZOO", but not in "SOO".
  • the programming of the hearing system 2 is changed in such a way that the amplification in This differentiating frequency range is selectively increased. This increases the perceived difference and thus the differentiation between the sounds.
  • the differentiation between "S" and “Z” takes place over a single narrow frequency range.
  • the differentiation can, however, in other sounds or sound pairs also take place over two or more frequencies or frequency ranges which either occur only in the spectrum of one of the sounds or are present in the spectra of both sounds, but with clearly different amplitude or power levels.
  • Such frequencies and frequency ranges that can be used to differentiate similar-sounding sounds are referred to herein summarily as differentiating frequency ranges.
  • useful signals with difficult differentiable sounds are stored as spoken letters, syllables, words, and / or phonemes.
  • the corresponding spectral components may be stored in these embodiments, for example in the form of tabular spectrograms according to FIG. 7.
  • the differentiating frequencies or frequency range may also be stored directly for pairs and / or groups of phones .
  • the spectrograms of individual spoken sounds in their qualitative course are largely invariant with respect to the person speaking, so that they can be stored in a general form or derived therefrom.
  • the shape of the spectrograms for different sounds as well as methods for their determination are basically known in the technical field of acoustics.
  • a sequence of exemplary method steps for the frequency-dependent modification of the programming according to the approach presented above is shown below with additional reference to FIG.
  • a data collection sequence with the steps Sioa-i to Sioa-m data are collected on the differentiation ability of difficult differentiable sounds.
  • the individual exercises with the steps Sioa-x are performed in the manner described above. It is assumed here that only the differentiation ability between two sounds, for example, "S" and "Z” should be detected and, if necessary, improved.
  • the method can be carried out sequentially as described here. In principle, however, it is also possible to carry out the method simultaneously with regard to a series of sounds or sound pairs, and subsequently to modify the programming of the hearing system 2 in a common step. Furthermore, in the illustration of FIG.
  • the data is collected in the form of a series of different exercises, to which the steps Sioa-i to Sioa-q are assigned and each of the exercises comprises a sequence of tasks.
  • the individual tasks can be directed, for example, separately on the distinctness of individual letters, syllables, and words.
  • step Sna an evaluation is carried out in step Sna in the manner described above. This determines to what extent or to what extent the tasks / exercises have been solved correctly by the user.
  • step Si3a it is determined whether the differentiating ability of the user is satisfactory. This can be done, for example, by a comparison of the proportion of correctly solved tasks / exercises with a threshold value. In a positive case, no modification of the programming of the hearing system 2 is required and the method is with further tasks, exercises or lessons continued. In the negative case, the determination of a modified programming of the hearing system 2 by the program modification unit and a corresponding change in the programming takes place in step Si2a. For this, as described above with reference to FIG. 7, the gain is selectively modified for one or more differentiating frequency ranges. In addition to a frequency-selective increase, a frequency-selective lowering of the gain is also possible.
  • step Si2a can be carried out again and thus the amplification can be further modified.
  • step Si2a and thus the frequency-dependent modification of the amplification can be performed many times in succession.
  • the enhancement of the amplification is limited by the fact that interfering signals are correspondingly amplified in the differentiating frequency range in question. Therefore, the boost of the gain in step Si2a can be limited to a predetermined maximum value for safety reasons.
  • step Si2a the gain may be changed by a fixed amount, e.g. B. be raised. Alternatively, however, the change can also be made as a function of the preceding evaluation in step Si3a. Indicates about the Users with respect to the differentiation of two sounds a significant deficit (characterized by a small part of correct solutions of tasks / exercises), in step Si2a a relatively large change in the gain of one or more specific frequency ranges. In the case of an existing but lower deficit with regard to the differentiation of the sounds, however, a smaller change in the amplification can take place in step Si2a.
  • the useful signals are initially not superimposed by an interference signal in an exemplary embodiment. Subsequent to any change in the programming, the level of the interference signal can be increased in subsequent steps (not explicitly shown in FIG. 8). However, it is also possible to perform in the data collection sequence with the steps Sioa- ⁇ to Sioa-q directly a superposition of useful sound and noise or provide test signals with different levels of interference.
  • step Sna It is advantageously determined between which sounds there is in each case an insufficient differentiation capability and the determination of the modified programming in step Si2a relates to frequency ranges which are characteristic for each of these noises.
  • the method according to FIG. 8 can be carried out separately and / or jointly for different sound groups. In a joint implementation z. B, the user test signals from different pairs of sounds or groups of phones are presented in random order.
  • the test signals do not consist of linguistic sounds, syllables or phonemes as previously shown, but from sounds z. B. different and similar-sounding musical instruments that can be recognized by the user.
  • the frequency-dependent change of the gain then comprises a change of the frequency range or frequency ranges (overtone spectrum) characteristic of the different sound of the instruments.
  • the modification takes place independently of frequency.
  • This can be z. B. be useful if the user has a deficit in terms of directional location or stereo location.
  • test signals are radiated from different directions, e.g.
  • the feedback of the user consists in an indication of the heard direction of the perceived sound event.
  • the gain in step Si2a is adjusted accordingly, for example by increasing the gain in one or reducing the gain in the other hearing system.
  • the required data for a frequency-dependent and / or frequency-independent modification of the gain in the hearing system programmer 2 z. B. be stored in the form of lists or tables (look-up tables), in which z. B, which are characteristic of different phonemes or phoneme combinations Different frequency ranges (see Figure 7 and the accompanying above representation) are deposited.
  • z. B which are characteristic of different phonemes or phoneme combinations
  • Different frequency ranges see Figure 7 and the accompanying above representation
  • Both a frequency-independent and a frequency-dependent change in the amplification can in principle be carried out jointly or be carried out alternately in a sequence.
  • the method according to FIG. 1 is carried out in two successive programming stages.
  • the amplification is only frequency-independent changed, in particular increased, as shown in Figure 6 and previously described.
  • the amplification is changed only selectively and frequency-dependently to improve the differentiation capability according to FIG. 7 and the associated description.
  • the execution of the first program mierha Over a period of 20 days and the second programming step over a subsequent period of an additional 10 days, each of which may include a sequence of lessons, tasks and exercises as described above.
  • the modifications made in the programming of the hearing system 2 in the learning configuration memory 16 are stored.
  • the learning configuration memory instead of or additionally in the hearing device programming device 1 in the hearing system 2.
  • a transmission of the programming from the hearing system 2 to the hearing aid programmer 1 or a comparison between the programming stored in the hearing system 2 and the hearing aid programmer 1 takes place.
  • the teachable configuration memory 16 is still present in the hearing system programming device, as shown in FIG. 1, the storage of a changed programming can initially be stored locally in this configuration memory and subsequently transmitted from the latter to the hearing system 2.
  • an adaptive configuration memory is provided only in the hearing system, the storage of the changed programming can take place directly there.
  • the radiated test signals have different volumes and modifications in the programming of the hearing system two are made respectively for the respective (input) volume range.
  • the execution of ammelse- sequences can be z. B. for the different (input) volume ranges done together, the evaluation and modification of the programming, however, at least partially separately.

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Abstract

L'invention concerne un appareil de programmation de système de correction auditive (1), comprenant : a) un générateur de signal de test (11) conçu pour générer au moins un signal de test acoustique ; b) au moins une unité de reproduction acoustique (12) et/ou une unité de transmission servant à transmettre l'au moins un signal de test à une unité de reproduction ; c) l'unité d'entrée (13) conçue pour recevoir une réponse d'un utilisateur en réponse à l'au moins un signal de test ; d) une unité de modification de programme (14) conçue pour déterminer une programmation modifiée du système de correction auditive (2) en tenant compte de la réponse reçu (14) ; e) une mémoire de configuration adaptative (16) fonctionnellement couplée l'unité de modification de programme (14) et servant à mémoriser une configuration de la programmation du système de correction auditive (2) ; f) une unité de communication conçue pour communiquer des données au système de correction auditive (2) et pour transmettre la programmation modifiée au système de correction auditive (15). L'invention concerne en outre un système de correction auditive comprenant un appareil de programmation de système de correction auditive et un procédé de programmation d'un système de correction auditive spécifique à un patient.
EP15736240.1A 2014-07-09 2015-07-07 Système de correction auditive avec programmation spécifique à un utilisateur Ceased EP3167627A1 (fr)

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CH01047/14A CH709862A1 (de) 2014-07-09 2014-07-09 Hörsystem mit anwenderspezifischer Programmierung.
PCT/EP2015/065527 WO2016005415A1 (fr) 2014-07-09 2015-07-07 Système de correction auditive avec programmation spécifique à un utilisateur

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DE202016101050U1 (de) * 2016-02-25 2016-04-21 Audiosus Gmbh Vorrichtung zur Konfiguration eines nutzerspezifischen Hörsystems
CN112334057A (zh) * 2018-04-13 2021-02-05 康查耳公司 听力辅助装置的听力评估和配置
CN110101395B (zh) * 2019-04-24 2024-03-29 张语轩 一种自助听力快速测量系统
CN112995878A (zh) * 2021-03-02 2021-06-18 佛山博智医疗科技有限公司 一种频段切割方法及频段切割装置

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CH709873A2 (de) 2016-01-15
CH709862A1 (de) 2016-01-15
US10334376B2 (en) 2019-06-25
CN106572818A (zh) 2017-04-19
CN106572818B (zh) 2021-03-16
EP4017031A1 (fr) 2022-06-22
US20170105079A1 (en) 2017-04-13
WO2016005415A1 (fr) 2016-01-14

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