CN117202075A - Austenite-based hearing aid fitting method, system, medium and equipment - Google Patents
Austenite-based hearing aid fitting method, system, medium and equipment Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 229910001566 austenite Inorganic materials 0.000 title description 2
- 238000012360 testing method Methods 0.000 claims abstract description 139
- 230000005236 sound signal Effects 0.000 claims abstract description 121
- 230000004044 response Effects 0.000 claims abstract description 40
- 238000004458 analytical method Methods 0.000 claims abstract description 21
- 238000012545 processing Methods 0.000 claims description 26
- 210000000613 ear canal Anatomy 0.000 claims description 22
- 238000004590 computer program Methods 0.000 claims description 11
- 210000003454 tympanic membrane Anatomy 0.000 claims description 11
- 239000012528 membrane Substances 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 7
- 238000012795 verification Methods 0.000 description 5
- 206010011878 Deafness Diseases 0.000 description 4
- 230000010370 hearing loss Effects 0.000 description 4
- 231100000888 hearing loss Toxicity 0.000 description 4
- 208000016354 hearing loss disease Diseases 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000012076 audiometry Methods 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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Abstract
The application belongs to the field of fitting, and particularly relates to a fitting method, a fitting system, a storage medium and fitting equipment based on real ear analysis hearing aids. A fitting method for a real ear based analysis hearing aid comprising the steps of: obtaining hearing information of a user according to the pure tone test data and the feedback information; acquiring a test input sound signal and a test output sound signal; calculating the test input sound signal and the test output sound signal to obtain real ear hearing aid response data; obtaining test parameters according to the real ear hearing aid response data and the user hearing information; fitting the hearing aid according to the fitting parameters. The application obtains the hearing information of the user through the feedback information and the pure tone test data. And obtaining real ear hearing aid response data according to the test input sound signal and the test output sound signal. And acquiring the fitting parameters by combining the real-ear hearing aid response data and the user hearing information, and finally fitting the hearing aid according to the fitting parameters. Thereby reducing the complexity of debugging the hearing aid and improving the convenience of the user in testing and matching.
Description
Technical Field
The application belongs to the field of fitting, and particularly relates to a fitting method, a fitting system, a storage medium and fitting equipment based on real ear analysis hearing aids.
Background
The traditional hearing aid needs to be subjected to complex test and adjustment to adapt to hearing loss conditions, use habits and psychological characteristics of different users, and is mainly realized through the following steps: the hearing loss condition of the user is tested by professional pure tone test equipment. According to the pure tone test result, the test formula in the software is used for calculating gain values of different environments, different frequency bands and different inputs, and meanwhile, the discomfort threshold value of the user in different frequency bands is calculated. And then measuring the actual gain output value of the hearing aid by using a real ear analyzer, and adjusting the gain values of the hearing aid in different frequency bands and different volumes to enable the output sound of the hearing aid to approach to the theoretical required value. The hearing person wears the debugged hearing aid, simulates various sound environments in a static room environment in a sound field simulation mode, and enables the behavior of the hearing aid to accord with the actual use condition of a user by adjusting gains of different frequency bands, uncomfortable threshold values and the like, so that the hearing aid is tested and matched. The hearing aid fitting process requires a strong professional ability of the audiologist, and requires professional equipment and sites to complete the hearing aid fitting work, so that the hearing aid fitting process is complicated and is not easy to operate.
Disclosure of Invention
In view of the above problems, the application provides a fitting method, a system, a storage medium and equipment based on real ear analysis of a hearing aid, which reduce the complexity of fitting the hearing aid, improve the fitting convenience of a user and improve the use efficiency of the hearing aid.
The application adopts the technical scheme that: a fitting method for a real ear based analysis hearing aid comprising the steps of:
collecting and playing audio through an auditory canal microphone in the hearing aid to obtain pure tone test data; receiving feedback information of a user wearing the hearing aid, and obtaining hearing information of the user according to the pure tone test data and the feedback information;
acquiring a test input sound signal acquired by an external microphone in the hearing aid, playing an output sound signal through an auditory canal loudspeaker in the hearing aid, and acquiring a test output sound signal acquired by the auditory canal microphone;
calculating the test input sound signal and the test output sound signal to obtain real ear hearing aid response data;
calculating according to the real ear hearing aid response data and the user hearing information to obtain fitting parameters;
and fitting the hearing aid according to the fitting parameters.
Preferably, the calculating according to the real ear hearing assistance response data and the user hearing information, before obtaining the fitting parameters, includes:
calculating a predicted output acoustic signal using the test input acoustic signal based on a preset gain value;
and analyzing the difference between the predicted output acoustic signal and the test output acoustic signal to obtain the actual compensation value.
Preferably, the calculating according to the real ear hearing assistance response data and the user hearing information to obtain the fitting parameters includes:
calculating by using the hearing information of the user and a prescription formula to obtain a target curve;
and calculating the difference between the real ear hearing aid response data and the target curve, and adjusting the intensity of the difference by using the actual compensation value to obtain the fitting parameter.
Preferably, the calculating the test input acoustic signal and the test output acoustic signal to obtain real ear hearing aid response data includes:
substituting the test output sound signal into a relation equation to calculate so as to obtain a near-tympanic membrane output sound signal close to the tympanic membrane;
and calculating the difference value between the near-tympanic membrane output sound signal and the test input sound signal to obtain the real ear hearing aid response data.
Preferably, the step of obtaining the relation equation includes:
receiving a first output acoustic signal at the ear canal and a second output acoustic signal near the tympanic membrane;
a relationship equation between the first output acoustic signal and the second output acoustic signal is determined.
Preferably, the audio is collected and played through an ear canal microphone in the hearing aid, and pure tone test data are obtained; receiving feedback information of a user wearing the hearing aid, and obtaining hearing information of the user according to the pure tone test data and the feedback information, wherein the method comprises the following steps:
receiving an audiometric instruction;
acquiring a preset first pure tone signal, and playing the first pure tone signal through an auditory canal loudspeaker in the hearing aid;
receiving the played first pure tone signal by using the ear canal microphone to obtain first pure tone test data;
receiving feedback information of a user wearing the hearing aid, and adjusting the first pure tone signal according to the feedback information of the user to obtain a second pure tone signal;
repeating the steps until the feedback information is consistent with the target feedback information, obtaining the feedback information and a pure tone test data set, and determining the pure tone test data from the intermediate test signal set;
and obtaining the hearing information of the user according to the feedback information and the pure tone test data.
Preferably, the obtaining the test input sound signal collected by the external microphone in the hearing aid, the playing the output sound signal through the auditory canal speaker in the hearing aid, and obtaining the test output sound signal obtained by collecting the output sound signal by the auditory canal microphone, includes:
receiving a real ear analysis instruction;
the external microphone receives and measures the test input acoustic signal;
amplifying the test input sound signal to obtain the output sound signal;
the auditory canal loudspeaker in the hearing aid plays the output sound signal;
and receiving the output sound signal collected by the auditory canal microphone and played by the auditory canal loudspeaker to obtain the test output sound signal.
A real ear based analysis hearing aid fitting system comprising:
the sound processing module is used for acquiring and playing audio through an auditory canal microphone in the hearing aid to obtain pure tone test data;
the data processing module is used for receiving feedback information of a user wearing the hearing aid and obtaining hearing information of the user according to the pure tone test data and the feedback information;
the sound processing module is also used for acquiring a test input sound signal acquired by an external microphone in the hearing aid, playing the test input sound signal through an auditory canal loudspeaker in the hearing aid to obtain an output sound signal, and acquiring the test output sound signal acquired by the auditory canal microphone;
the data processing module is also used for calculating the test input sound signal and the test output sound signal to obtain real ear hearing aid response data; calculating according to the real ear hearing aid response data and the user hearing information to obtain fitting parameters;
and the fitting module is used for fitting the hearing aid according to the fitting parameters.
A computer readable storage medium storing a computer program which, when executed by a processor, causes the processor to perform the steps of the method as described above.
A computer device comprising a memory and a processor, the memory storing a computer program which, when executed by the processor, causes the processor to perform the steps of the method as described above.
The embodiment of the application has the following beneficial effects:
the application obtains the hearing information of the user by acquiring the feedback information of the user and the data of the audio collected and played by the hearing aid. And then acquiring test output sound signals obtained by the test input sound signals according to the test input sound signals acquired by the external microphone and the auditory canal microphone, so as to obtain real-ear hearing aid response data. And acquiring the fitting parameters by combining the real-ear hearing aid response data and the user hearing information, and finally fitting the hearing aid according to the fitting parameters. The fitting work of the hearing aid is not limited by equipment and sites, so that the complexity of fitting the hearing aid is reduced, and the fitting convenience of a user is improved.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Wherein:
fig. 1 is a flow chart of a fitting method for analyzing a hearing aid based on a real ear in one embodiment;
FIG. 2 is a measurement block diagram of determining a relationship equation in one embodiment;
FIG. 3 is a schematic diagram of the configuration of a fitting system in one embodiment;
FIG. 4 is a schematic diagram of an embodiment of an acoustic processing module;
FIG. 5 is a diagram of the internal architecture of a computer device in one embodiment.
The application is further explained below with reference to the drawings and examples.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The terms first, second and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type, and are not limited to the number of objects, such as the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.
The following describes in detail the fitting method of the hearing aid provided by the application through specific embodiments and application scenes thereof with reference to the accompanying drawings.
The application provides a real ear based analysis. Fig. 1 is a flow chart of a fitting method of a hearing aid in one embodiment. As shown in fig. 1, the fitting method of a hearing aid based on real ear analysis comprises the following steps:
step S101: and collecting and playing audio through an auditory canal microphone in the hearing aid to obtain pure tone test data. And receiving feedback information of a user wearing the hearing aid, and obtaining hearing information of the user according to the pure tone test data and the feedback information.
Specifically, the hearing aid is a real ear analysis hearing aid, and has a real ear analysis function. It is first necessary to ensure that the hearing aid is correctly placed in the ear. The hearing aid application is then turned on to issue a pure tone audiometric command. During testing, the ear canal microphone will collect the audible pure tone audio, acquiring pure tone test data. The pure tone test data is transmitted to an application program for analysis and processing. The user hearing loss condition may be obtained by analyzing the pure tone test data and the user feedback information, including the user's hearing threshold and discomfort threshold.
Step S102: the method comprises the steps of obtaining a test input sound signal collected by an external microphone of a hearing aid, playing an output signal through an auditory canal loudspeaker in the hearing aid, and obtaining the test output sound signal collected by the auditory canal microphone.
Specifically, an external microphone of the hearing aid receives an input sound signal from an external device, acquires a test input sound signal, plays an output sound signal processed by the hearing aid through an auditory canal loudspeaker in the hearing aid, captures the output sound signal to obtain the test output sound signal, and transmits the test input sound signal and the test output sound signal to an application program for difference analysis of sound intensity.
Step S103: and calculating the test input sound signal and the test output sound signal to obtain real ear hearing aid response data.
Here, the test input sound signal, the test output sound signal, and the real ear hearing aid response data may be respectively formed into a visual hearing curve.
Step S104: and calculating according to the real ear hearing aid response data and the user hearing information to obtain the fitting parameters.
In particular, the fitting parameters include a gain for ensuring that the hearing aid is able to provide suitable amplification and compensation to meet the hearing needs of the user.
Step S105: fitting the hearing aid according to the fitting parameters.
Further, fitting parameters are entered into the hearing aid and adjusted and calibrated accordingly, ensuring that the hearing aid is able to provide proper amplification and compensation.
According to the application, pure tone test data of played audio collected by an auditory canal microphone in the hearing aid and feedback information of a user wearing the hearing aid are acquired through the hearing aid with the real ear analysis function, so that hearing information of the user is obtained. And then acquiring a test input sound signal acquired by an external microphone and a test output sound signal acquired by an auditory canal microphone to obtain real ear hearing aid response data. And calculating according to the real-ear hearing-aid response data and the user hearing information to obtain a fitting parameter, and finally fitting the hearing aid according to the fitting parameter. The test and the matching do not need to depend on audiometric equipment and real ear analysis equipment, are not limited by equipment and sites, reduce the complexity of debugging the hearing aid, and improve the use convenience of users.
In one executable embodiment, the calculation is performed based on the real ear hearing response data and the user hearing information, and before obtaining the fitting parameters, the calculation includes:
the predicted output acoustic signal is calculated using the test input acoustic signal based on the preset gain value.
Specifically, the predicted output acoustic signal is the sum of the measured input acoustic signal and a predetermined gain.
And analyzing the difference between the predicted output sound signal and the test output sound signal to obtain an actual compensation value.
Specifically, the difference between the predicted output acoustic signal and the test output acoustic signal is compared using the intensity difference. The actual compensation value obtained is the intensity difference between the predicted output acoustic signal and the test output acoustic signal.
In one executable embodiment, the fitting parameters are calculated from the real ear hearing response data and the user hearing information, comprising:
and calculating by using the hearing information of the user and the prescription formula to obtain a target curve.
Specifically, a prescription formula is selected, hearing information of a user is input into the prescription formula, and a target curve is calculated. This target curve represents the gain level of the hearing aid at each frequency.
And calculating the difference between the real ear hearing aid response data and the target curve, and adjusting the intensity of the difference by using the actual compensation value to obtain the test matching parameters.
Further, the actual compensation value is used to adjust the intensity of the difference. And adjusting the fitting parameters according to the actual compensation values of the users, and adjusting the preset gain according to the fitting parameters, so that the gain of the hearing aid is easier to approach the gain level in the target curve.
In this embodiment, the real ear hearing aid response data can be converted into a visual hearing curve through a program, and an intuitive data reference is provided for a user in the hearing aid verification by displaying the difference between the hearing curve and the target curve.
In one executable embodiment, the calculation of the test input acoustic signal and the test output acoustic signal to obtain real ear hearing aid response data comprises:
substituting the test output sound signal into a relation equation to calculate, and obtaining a near-tympanic membrane output sound signal close to the tympanic membrane.
Specifically, the test output sound signal data is input into a relational equation, and a near-tympanic membrane output sound signal near the tympanic membrane is calculated. This output sound signal represents a predicted value of the intensity of sound generated near the tympanic membrane corresponding to the output sound signal measured by the hearing aid ear canal microphone at a certain intensity.
And calculating the difference value between the near-tympanic membrane output sound signal and the test input sound signal to obtain real ear hearing aid response data.
Specifically, the real ear hearing aid response = near tympanic membrane output acoustic signal intensity-test input acoustic signal intensity.
In one executable embodiment, the step of obtaining the relationship equation includes:
a first output acoustic signal located in the ear canal and a second output acoustic signal located near the tympanic membrane are received.
A relationship equation between the first output acoustic signal and the second output acoustic signal is determined.
Specifically, the hearing aid is worn on an ear simulator or an average ear, an external microphone receives an input sound signal, an auditory canal microphone provides an output sound signal processed by an acoustic processing system, an external auditory canal microphone on a real ear analyzer is used for measuring an output sound signal b near the tympanic membrane of an external auditory canal, an auditory canal microphone measures an output sound signal a, and a relational equation between the output sound signals a and b is determined by analyzing multiple groups of data.
FIG. 2 is a measurement block diagram of a relationship equation determined in one embodiment. As shown in fig. 2, the hearing aid comprises a fitting module, an acoustic processing system, an ear canal microphone and an ear canal speaker, and the real ear analyzer is connected to the probe microphone.
The input signal is transmitted to the sound processing system of the hearing aid through the external microphone for processing, and the processed output sound signal is played through the auditory canal loudspeaker. The hearing aid collects output sound signals through the auditory canal microphone to output sound signals a, and transmits the output sound signals a to the sound processing system, and the output sound signals a are transmitted to the upper computer through the sound processing system. The real ear analyzer collects output sound signals near the tympanic membrane through the probe microphone, and outputs output sound signals b to the upper computer. And analyzing the plurality of groups of data by data fitting software to determine a relation equation between the output acoustic signals a and b.
In one executable embodiment, pure tone audio is collected and played through an ear canal microphone in the hearing aid to obtain pure tone test data; receiving feedback information of a user wearing the hearing aid, and obtaining hearing information of the user according to the pure tone test data and the feedback information, wherein the method comprises the following steps:
and receiving an audiometric instruction.
Specifically, the user sends out an audiometric instruction through interaction with the upper computer. The upper computer comprises a computer end and a mobile phone end.
And acquiring a preset first pure tone signal, and playing the first pure tone signal through an auditory canal loudspeaker in the hearing aid.
And receiving the played first pure tone signal by using the ear canal microphone to obtain first pure tone test data.
It should be noted that, once the pure tone signal data starts to play, the ear canal microphone records the received sound signal. These signals may be transmitted to software or an application for processing and analysis.
And receiving feedback information of a user wearing the hearing aid, and adjusting the sound intensity of the first pure tone signal according to the feedback information to obtain a second pure tone signal.
It should be noted that, by adjusting the sound intensity, the user can be provided with auditory stimuli that more conform to the hearing loss thereof.
And repeating the steps until the feedback information is consistent with the target feedback information, obtaining feedback information and pure tone test data set, and determining pure tone test data from the intermediate test signal set.
Further, the target feedback information includes being able to hear or feel uncomfortable, and the feedback information includes being unable to hear, being able to hear, being free from discomfort and feel uncomfortable. The acquired feedback information is consistent with the target feedback information, and the pure tone test data corresponds to the feedback information one by one.
And obtaining the hearing information of the user according to the obtained feedback information and the pure tone test data.
In one executable embodiment, the host computer is a mobile intelligent terminal. In this embodiment, the user interacts with the mobile intelligent terminal with a pure tone audiometric instruction.
An external microphone of the hearing aid receives a current environment signal, if the current environment signal meets a preset environment volume standard, a first pure tone signal of a first frequency is transmitted to the hearing aid, an auditory canal loudspeaker plays first pure tone audio at a first sound intensity, a user feeds back information through man-machine interaction with a mobile intelligent terminal, and when the user feeds back the first feedback information, the auditory canal microphone measures the actual intensity of the first pure tone signal in an auditory canal of the user and serves as a user hearing threshold or uncomfortable threshold under the first frequency; when the user feeds back the second feedback information, the auditory canal loudspeaker plays a first pure sound signal or a second pure sound signal with the same frequency as the first pure sound signal with a second sound intensity, and the second sound intensity is higher than the first sound intensity until the user feeds back the first feedback information; the first feedback information can be heard or uncomfortable, and the second feedback information can not be heard or uncomfortable; after pure tone test is carried out on pure tone audio frequency of each frequency, the hearing threshold or uncomfortable threshold of each frequency is transmitted to the mobile intelligent terminal, and audiogram is drawn to be used as a pure tone audiometry result of a user on each frequency.
In one executable embodiment, obtaining a test input sound signal collected by an external microphone in a hearing aid, playing an output sound signal through an ear canal speaker in the hearing aid, obtaining a test output sound signal obtained by the ear canal microphone collecting the output sound signal, comprises:
and receiving a real ear analysis instruction.
An external microphone receives and measures the test input acoustic signal.
Specifically, the input acoustic signal is test audio. The input acoustic signal is received and measured by an external microphone. Typically, the external microphone is placed at the pinna of the hearing aid.
Amplifying the test input sound signal to obtain the output sound signal.
Further, the input acoustic signal is amplified by a preset gain through an acoustic processing module of the hearing aid to obtain an output signal.
The output acoustic signal is played by the canal speaker in the hearing aid.
Further, the output sound signal is played by the auditory canal loudspeaker, so that the auditory canal microphone can receive or collect the corresponding output sound signal.
And receiving the output sound signal which is collected by the auditory canal microphone and played by the auditory canal loudspeaker, and obtaining a test output sound signal.
The application also provides a fitting system for a real ear based analysis hearing aid, comprising:
and the sound processing module is used for acquiring and playing audio through an auditory canal microphone in the hearing aid to acquire pure tone test data.
And the data processing module is used for receiving feedback information of a user wearing the hearing aid and obtaining hearing information of the user according to the pure tone test data and the feedback information.
The sound processing module is also used for acquiring a test input sound signal acquired by an external microphone, playing an output sound signal through an auditory canal loudspeaker in the hearing aid, and acquiring a test output sound signal acquired by the auditory canal microphone acquired the output sound signal.
The data processing module is also used for calculating the test input sound signal and the test output sound signal to obtain real ear hearing aid response data. And calculating according to the real ear hearing aid response data and the user hearing information to obtain the fitting parameters.
And the verification and matching module is used for verifying and matching the hearing aid according to the verification and matching parameters.
The test and matching system acquires and plays audio through an auditory canal microphone in the hearing aid to obtain pure tone test data. Receiving feedback information of a user wearing the hearing aid, obtaining hearing information of the user according to the pure tone test data and the feedback information, and obtaining a target curve according to the hearing information of the user and a prescription formula. And then obtaining a test input sound signal acquired by an external microphone, playing an output sound signal through an auditory canal loudspeaker in the hearing aid, and obtaining a test output sound signal obtained by the auditory canal microphone acquiring the output sound signal. And then calculating the test input sound signal and the test output sound signal to obtain real ear hearing aid response data. And then calculating according to the real ear hearing aid response data and the target curve to obtain the fitting parameters. Finally, the hearing aid is tested and matched according to the testing and matching parameters.
Fig. 3 is a schematic structural view of an inspection system in one embodiment. As shown in fig. 3, in one embodiment, a fitting system for a hearing aid comprises: hearing aids and host computers.
The hearing aid comprises a sound processing module, a fitting module, an external microphone, an ear canal speaker and an ear canal microphone. The upper computer comprises a data processing module.
As shown in fig. 4, the sound processing module includes an amplifier, an audio decoder, and a main control chip. The input sound signal received by the amplifier is amplified according to the preset gain, the audio decoder inputs the audio analog signal into the main control chip after the audio analog signal is digitized, the main control chip and the data processing module transmit the digital signal, and the verification module adjusts the preset gain of the amplifier according to the verification parameters.
In one embodiment, a computer readable storage medium is provided, in which a computer program is stored, and when the computer program is executed by a processor, the processes of the above-mentioned embodiment of the method of fitting a hearing aid are implemented, and the same technical effects can be achieved, so that repetition is avoided, and a detailed description is omitted here.
In one embodiment, a computer device is provided, including a memory and a processor, where the memory stores a computer program, and when the computer program is executed by the processor, the processes of the foregoing embodiment of the fitting method of the hearing aid are implemented, and the same technical effects can be achieved, so that repetition is avoided, and no further description is given here.
FIG. 5 is a diagram of the internal architecture of a computer device in one embodiment. The computer device may specifically be a terminal or a server. As shown in fig. 5, the computer device includes a processor, a memory, and a network interface connected by a system bus. The memory includes a nonvolatile storage medium and an internal memory. The non-volatile storage medium of the computer device stores an operating system and may also store a computer program which, when executed by the processor, causes the processor to implement a fitting method for a hearing aid. The internal memory may also have stored therein a computer program which, when executed by the processor, causes the processor to perform the fitting method of the hearing aid. It will be appreciated by those skilled in the art that the structure shown in FIG. 5 is merely a block diagram of some of the structures associated with the present inventive arrangements and is not limiting of the computer device to which the present inventive arrangements may be applied, and that a particular computer device may include more or fewer components than shown, or may combine some of the components, or have a different arrangement of components.
Those skilled in the art will appreciate that a program implementing all or part of the above-described methods of the embodiments may be stored in a non-volatile computer-readable storage medium by a computer program for instructing relevant hardware, and the program may include the steps of the embodiments of the methods as described above when executed. Any reference to memory, storage, database, or other medium used in embodiments provided herein may include non-volatile and/or volatile memory. The nonvolatile memory can include Read Only Memory (ROM), programmable ROM (PROM), electrically Programmable ROM (EPROM), electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous Link DRAM (SLDRAM), memory bus direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), among others.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.
Claims (10)
1. A method of fitting a hearing aid based on real ear analysis, comprising the steps of:
collecting and playing audio through an auditory canal microphone in the hearing aid to obtain pure tone test data; receiving feedback information of a user wearing the hearing aid, and obtaining hearing information of the user according to the pure tone test data and the feedback information;
acquiring a test input sound signal acquired by an external microphone in the hearing aid, playing an output sound signal through an auditory canal loudspeaker in the hearing aid, and acquiring a test output sound signal acquired by the auditory canal microphone;
calculating the test input sound signal and the test output sound signal to obtain real ear hearing aid response data;
calculating according to the real ear hearing aid response data and the user hearing information to obtain fitting parameters;
and fitting the hearing aid according to the fitting parameters.
2. The method of claim 1, wherein the calculating based on the real ear hearing response data and the user hearing information, prior to obtaining the fitting parameters, comprises:
calculating a predicted output acoustic signal using the test input acoustic signal based on a preset gain value;
and analyzing the difference between the predicted output acoustic signal and the test output acoustic signal to obtain the actual compensation value.
3. The method of claim 2, wherein the calculating from the real ear hearing response data and the user hearing information to obtain fitting parameters comprises:
calculating by using the hearing information of the user and a prescription formula to obtain a target curve;
and calculating the difference between the real ear hearing aid response data and the target curve, and adjusting the intensity of the difference by using the actual compensation value to obtain the fitting parameter.
4. The method of claim 1, wherein the calculating the test input acoustic signal and the test output acoustic signal to obtain real ear hearing aid response data comprises:
substituting the test output sound signal into a relation equation to calculate so as to obtain a near-tympanic membrane output sound signal close to the tympanic membrane;
and calculating the difference value between the near-tympanic membrane output sound signal and the test input sound signal to obtain the real ear hearing aid response data.
5. The method of claim 4, wherein the step of obtaining the relationship equation comprises:
receiving a first output acoustic signal at the ear canal and a second output acoustic signal near the tympanic membrane;
a relationship equation between the first output acoustic signal and the second output acoustic signal is determined.
6. The method of claim 1, wherein the audio is played through an ear canal microphone collection in the hearing aid to obtain pure tone test data; receiving feedback information of a user wearing the hearing aid, and obtaining hearing information of the user according to the pure tone test data and the feedback information, wherein the method comprises the following steps:
receiving an audiometric instruction;
acquiring a preset first pure tone signal, and playing the first pure tone signal through an auditory canal loudspeaker in the hearing aid;
receiving the played first pure tone signal by using the ear canal microphone to obtain first pure tone test data;
receiving feedback information of a user wearing the hearing aid, and adjusting the first pure tone signal according to the feedback information to obtain a second pure tone signal;
playing the second pure tone signal through an auditory canal loudspeaker, and receiving and obtaining second pure tone test data by utilizing the auditory canal microphone;
repeating the steps until the feedback information is consistent with the target feedback information, obtaining the feedback information and a pure tone test data set, and determining the pure tone test data from the intermediate test signal set;
and obtaining the hearing information of the user according to the feedback information and the pure tone test data.
7. The method according to claim 1, wherein the obtaining the test input sound signal collected by the external microphone in the hearing aid, playing the output sound signal through the ear canal speaker in the hearing aid, obtaining the test output sound signal obtained by collecting the output sound signal by the ear canal microphone, comprises:
receiving a real ear analysis instruction;
the external microphone receives and measures the test input acoustic signal;
amplifying the test input sound signal to obtain the output sound signal;
the auditory canal loudspeaker in the hearing aid plays the output sound signal;
and receiving the output sound signal collected by the auditory canal microphone and played by the auditory canal loudspeaker to obtain the test output sound signal.
8. A real ear analysis hearing aid based fitting system comprising:
the sound processing module is used for acquiring and playing audio through an auditory canal microphone in the hearing aid to obtain pure tone test data;
the data processing module is used for receiving feedback information of a user wearing the hearing aid and obtaining hearing information of the user according to the pure tone test data and the feedback information;
the sound processing module is also used for acquiring a test input sound signal acquired by an external microphone in the hearing aid, playing an output sound signal through an auditory canal loudspeaker in the hearing aid, and acquiring the test output sound signal obtained by the output sound signal by the auditory canal microphone;
the data processing module is also used for calculating the test input sound signal and the test output sound signal to obtain real ear hearing aid response data; calculating according to the real ear hearing aid response data and the user hearing information to obtain fitting parameters;
and the fitting module is used for fitting the hearing aid according to the fitting parameters.
9. A computer readable storage medium, characterized in that a computer program is stored, which, when being executed by a processor, causes the processor to perform the steps of the method according to any of claims 1 to 7.
10. A computer device comprising a memory and a processor, the memory storing a computer program that, when executed by the processor, causes the processor to perform the steps of the method of any of claims 1 to 7.
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