CN109498030A - A kind of free found field hearing test system and method - Google Patents
A kind of free found field hearing test system and method Download PDFInfo
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Abstract
The present invention discloses a kind of free found field hearing test system and method, is related to hearing test field.This method comprises: playing the test sound for having setting sound frequency and setting sound intensity, defining the sound intensity is the first loudness；The test sound is received, and calculates the sound intensity for obtaining position of the test sound in receiving area, defining the sound intensity is the second loudness；Carry out test sound whether be heard listen force feedback；D according to first loudness, the second loudness, sound frequency and listens force feedback, calculates and exports hearing test result.Wherein, during hearing test, force feedback is listened to what whether test sound was heard according to user, the loudness or frequency that test sound can be reset by the computer installation are tested.Technical solution of the present invention can accurately obtain the loudness size heard human ear position, not the influence of tested person distance；And calibrated by the algorithm in hearing aid DSP, accuracy is higher.
Description
Technical field
The present invention relates to hearing test field, in particular to a kind of free found field hearing test system and method.
Background technique
Currently, propagating its belief on a large scale with smart phone and app, occurs carrying out simple hearing survey by mobile phone app+ earphone
The method of examination.In this approach, testee wears earphone, and according to the guidance of app under a relatively quiet environment
It is operated.App can play out the voice signal of different frequency, different loudness, and inquire whether testee hears.According to
Family selection as a result, obtain the loudness data that user can hear on a different frequency, i.e. its audiogram.
Firstly, the accuracy of the test result of this mode depends on the calibration to mobile phone and earphone, because user uses
Mobile phone and earphone on hardware there are many variation so that calibration it is cumbersome.
Secondly, sound is not from free found field, and (refer to: sound is in a phase when being tested by earphone sounding
To in open space by air borne to ear canal, rather than by loudspeaker directly in ear canal sounding), and people are in most of life
Listening in scene living is among free found field.It, can more if can be tested with the sound in free found field
Stick on nearly actual conditions, test result also can preferably be used for subsequent hearing test work.
But if removing earphone in method before, directly then had using the broadcasting for putting row voice signal into outside mobile phone
One problems demand solves, it may be assumed that the variation of distance influences whether that user is actually hearing the sound of voice signal between mobile phone and human ear
Degree, actual test can not fix this distance in the process, thus effective calibration difficult to realize.
Summary of the invention
In order to overcome technical problem as described above, the present invention proposes a kind of free found field hearing test system and side
Method, the variation of distance influences whether that user is actually hearing the loudness of voice signal when being able to solve free found field hearing test, real
This distance can not be fixed in the test process of border, thus the problem of effectively calibration difficult to realize.
Specific technical solution of the present invention is as follows:
In a first aspect, the present invention proposes a kind of free found field hearing test system, comprising:
Computer installation and hearing aid with Audio Players, the computer installation and the hearing aid are connected by network
Tap into capable communication；
The computer installation is equipped with test APP, is used for:
The broadcasting frequency of test sound is set, and Xiang Suoshu hearing aid sends frequency instruction；
The playback loudness of the test sound is set, and playback loudness is the first loudness；
Audio Players are driven to play the test sound according to broadcasting frequency and playback loudness；
The instruction that finishes playing is sent to the hearing aid；
Whether inquiry and confirmation user hear the test sound；
Receive the second loudness transmitted by hearing aid；
And according to second loudness, corrects and export hearing test result
Hearing aid is used for:
After receiving frequency instruction, the test sound is calculated at hearing aid end according to the collected test sound
Reception loudness, reception loudness be the second loudness；
It receives after finishing playing instruction, Xiang Suoshu computer installation sends the second loudness；
Further, the network connection is that BLE is communicated to connect.
Further, the frequency instruction includes the broadcasting frequency value of the test sound.
Further, the driving Audio Players play the test sound, packet according to broadcasting frequency and playback loudness
It includes:
Audio Players are driven to play the test sound go 1s according to broadcasting frequency and playback loudness.
Further, whether the inquiry and confirmation user hear the test sound, comprising:
It is inquired and is confirmed by way of graphic user interface or voice feedback.
Second aspect, the present invention propose a kind of free found field hearing test method, comprising:
A plays the test sound for having setting sound frequency and setting sound intensity, and defining the sound intensity is first
Loudness；
B receives the test sound, and calculates the sound intensity for obtaining position of the test sound in receiving area, fixed
The adopted sound intensity is the second loudness；
C, carry out test sound whether be heard listen force feedback；
D according to first loudness, the second loudness, sound frequency and listens force feedback, calculates and exports hearing test knot
Fruit.
Further, the test sound is multiple groups, and corresponding first loudness, the second loudness and sound frequency are more
Group.
Further, the D includes:
When playing the test sound with setting sound frequency,
The first loudness upper bound: initial value 100%；First loudness lower bound: initial value 0%；First loudness: initial value 50%,
S1, the sound intensity of setting test sound, defining the sound intensity is the first loudness；
S2 records the second loudness of the second loudness minimum sound=current if test sound is heard, and the first sound is arranged
The upper bound=first loudness, the first loudness=(the first loudness upper bound the+the first loudness lower bound)/2 are spent, and enters step S4；
The first loudness lower bound=first loudness, the first loudness=(the first sound is arranged if test sound is not heard in S3
Spend the+the first loudness of upper bound lower bound)/2；
S4 exports the second loudness minimum sound as current sound when (the first loudness upper bound the-the first loudness lower bound) < 1%
The test result of frequency；Otherwise step S1 is returned to.
The third aspect, the present invention propose a kind of digital deaf-aid, including microphone, preamplifier, A/D converter, DSP
Chip, D/A converter and earphone, the dsp chip are stored with an at least Duan Chengxu, and at least one section of program executes Shi Yishi
The existing free found field hearing test method.
Fourth aspect, the present invention propose a kind of computer installation for free found field hearing test, including memory and
Processor, it is described to be stored with an at least Duan Chengxu, at least one section of program executed by the processor with realize it is described from
By sound field auditory capacity testing method.
Further, the computer installation is mobile phone, plate, laptop or desktop computer.
Technical solution provided by the invention has the benefit that
The present invention discloses a kind of free found field hearing test system and method, this method comprises: playing has setting sound
Voice frequency and the test sound for setting sound intensity, defining the sound intensity is the first loudness；The test sound is received, and
The sound intensity for obtaining position of the test sound in receiving area is calculated, defining the sound intensity is the second loudness；It is surveyed
What whether examination sound was heard listens force feedback；D according to first loudness, the second loudness, sound frequency and listens force feedback,
It calculates and exports hearing test result.Wherein, it during hearing test, is listened according to user what whether test sound was heard
Force feedback, the loudness or frequency that test sound can be reset by the computer installation are tested.The technology of the present invention side
Case can accurately obtain the loudness size heard human ear position, not the influence of tested person distance；And by hearing aid DSP
Algorithm is calibrated, and accuracy is higher.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill of field, without creative efforts, it can also be obtained according to these attached drawings others
Attached drawing.
Fig. 1 shows a kind of possible free found field hearing test system of the present invention；
Fig. 2 show a kind of free found field hearing test method schematic diagram disclosed by the invention；
Fig. 3 show a kind of free found field hearing test method schematic diagram of the present invention；
Fig. 4 shows a kind of knot of the computer installation for free found field hearing test involved in the embodiment of the present invention
Structure schematic diagram.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Case is described in further detail.
It is easily understood that generally in view of the hearing loss of people's ears is different, in addition, to avoid the mutual shadow of ears
Ring, therefore, during hearing test, left and right ear is individually tested, when single ear when testing, it will usually it is right
An other ear takes certain measure to prevent from interfering current test ear, optionally, can wear and play
The earphone of white noise.
The present invention proposes a kind of free found field hearing test system, comprising:
Computer installation and hearing aid with Audio Players, the computer installation and the hearing aid are connected by network
Tap into capable communication；
The computer installation, be equipped with test APP, in a kind of possible realization, the computer installation be mobile phone,
The portable mobile termianls such as plate, laptop or desktop computer.A kind of possible free found field of the invention as shown in figure 1
Hearing test system, including mobile phone 101 and hearing aid 102.Here computer installation realizes a kind of free found field in systems
Hearing test method is illustrated in figure 2 a kind of free found field hearing test method schematic diagram disclosed by the invention, shows the party
The specific implementation step of method, comprising:
The computer installation of test APP is installed, optionally, the computer installation with Audio Players is common hand
Machine, it should be noted that in following embodiment declarative procedures, will be carried out with mobile phone (mobile phone is usually integrated with Audio Players)
Exemplary illustration, but other computer installations are also feasible, but may also need external individual Audio Players, as long as
It is able to achieve relevant free found field hearing test method, technical solution of the present invention and with no restriction.
In step 201, the frequency of setting test sound sends frequency instruction to hearing aid；
User before carrying out hearing test needs that relatively quiet environment is selected to be tested, and to reduce external interference, wears
Hearing aid is worn, and establishes the communication connection between mobile phone and hearing aid, in a kind of possible practical operation, using wired network
Network or wireless network are communicatively coupled, more flexible and convenient when for actual test, it is preferred that can pass through BLE (low energy consumption
Bluetooth, Bluetooth Low Energy) it is communicatively coupled.
When user gets out start to carry out hearing test, in this step, tester or user oneself can lead to
The frequency for the test APP setting test sound installed on mobile phone is crossed, and after confirming and starting test, APP is to the hearing aid for test
Frequency instruction is sent, which is for the frequency size for the test sound for notifying hearing aid to be currently ready for playing, one
In the possible practical operation of kind, the frequency instruction includes the broadcasting frequency value of the test sound, such as: if currently select
Testing sound frequency value is 1000 hertz, and the frequency instruction content includes 1000 numerical value content, in another possibility
In practical operation, the frequency values of sound can also be numbered, the frequency instruction content only includes the frequency values pair of sound
The number answered.
In step 202, the playback loudness of the test sound is set, and playback loudness is the first loudness；
After setting the frequency of test sound by step 201, it is also necessary to which its loudness is set, in a kind of possible reality
It in operation, is tested since the sound of lower sound decibel, can test out hearing impaired user in this way can receive
Minimum loudness sound decibel.
In step 203, driving Audio Players play the test sound according to broadcasting frequency and playback loudness；
In a kind of possible realization, the broadcasting of sound can be carried out using the outside speaker of mobile phone, alternatively possible
Realization in, speaker also can be used, optionally, realized using the external active audio amplifier of the AUX interface of mobile phone, based on reception
After calculation machine device plays the instruction of test sound, test sound is played.In a kind of possible practical operation, driving sound is played
Device plays the test sound go certain time according to broadcasting frequency and playback loudness, it is preferred that is 1s.
In step 204, Xiang Suoshu hearing aid sends the instruction that finishes playing；
After current test sound finishes playing, test APP can send the instruction that finishes playing to the hearing aid, meanwhile, this
Also loudness value of the hearing aid to test terminal feedback test sound can be triggered, test terminal here is optionally mobile phone 101.
In step 205, it inquires and confirms whether user hears the test sound；
After test sound finishes playing, the test process for being equivalent to this test sound is over, and needs user couple
Test result is fed back, and in possible practical operation, mobile phone 101 passes through graphic user interface or the side of voice inquiry
Whether formula, inquiry and confirmation user hear the test sound, then tester can carry out according to the feedback of user
Subsequent hearing test.
In step 206, the second loudness transmitted by hearing aid is received and according to second loudness and the first sound
Degree exports hearing test result.
Free found field hearing test system proposed by the invention further includes hearing aid in addition to above-mentioned computer installation
102, hearing aid 102 is a kind of digital deaf-aid, in a kind of possible realization comprising microphone, preamplifier, A/D
Converter, dsp chip, D/A converter and earphone, the dsp chip use the dsp chip with storage and computing capability, such as
The BS300 of ON Semiconductor and 5920 chips are stored with an at least Duan Chengxu in dsp chip, and at least one section of program is held
To realize following step when row, comprising:
After receiving frequency instruction, the test sound is calculated at hearing aid end according to the collected test sound
Reception loudness, reception loudness be the second loudness.
It receives after finishing playing instruction, Xiang Suoshu computer installation sends the second loudness；
In above-mentioned steps 202, although the loudness of test sound is provided with by test APP, due to being in freedom
The broadcasting of sound is carried out in sound field, sound intensity value received by hearing aid can be varied, so needing hearing aid 102 logical
Collection voice signal is crossed, the loudness of voice signal is obtained by analytical calculation, and feed back 102 institute of hearing aid to the test end APP
The loudness value for the voice signal being an actually-received, the loudness value are the accurate sound actually heard in user's test process
Decibel.It should be noted that the method and process of the second loudness of calculating of hearing aid 102 are as follows in a kind of possible realization:
1, hearing aid receives the frequency instruction of computer installation transmission, and include information: computer installation is in following 1 second
By the frequency of the voice signal of broadcasting；
2. hearing aid, which is opened, monitors microphone signal, and Shi Changwei 1 second, and by collected sound signal storage DSP's
In caching；
3. computer installation by its loudspeaker play voice signal, Shi Changwei 1 second；
4. hearing aid DSP carries out analytical calculation to data in caching, mainly by Fourier transform, 1 second period is obtained
The spectrum distribution of interior signal；To the data averaged of respective frequencies part in the frequency spectrum, signal during this period of time is obtained
Intensity；DSP carries out conversion processing, by signal according to the preset frequency response curve relevant to its microphone and loudspeaker of hearing aid
Intensity conversion is at the second loudness of actual sound intensity (unit are as follows: decibel)；
5. the second loudness is fed back to computer installation.
During carrying out hearing test to user using free found field hearing test system, when user hears test sound
Sound is then tested by the frequency that the computer installation resets test sound, when mobile phone 101 is ask in step 205
When asking and confirming whether user hears the test sound, when user hears test sound, then by the computer installation weight
The loudness or frequency of new setting test sound are tested, and in a kind of possible practical operation, higher or lower survey is arranged
Examination sound frequency tested, also or setting identical frequency but the lower test sound of loudness tested；When user does not have
Have and hear test sound, is then tested by the loudness that the computer installation resets test sound, in a kind of possibility
Practical operation in, be arranged it is higher test sound loudness tested.
Invention additionally discloses a kind of free found field hearing test methods, are illustrated in figure 3 a kind of free found field of the present invention and listen
Force test method schematic diagram shows the specific implementation step of this method, comprising:
Step 301, the test sound that there is setting sound frequency and set sound intensity is played, the sound intensity is defined
For the first loudness；
Step 302, the test sound is received, and calculates the sound sound for obtaining position of the test sound in receiving area
Degree, defining the sound intensity is the second loudness；
Step 303, carry out test sound whether be heard listen force feedback；
Step 304, according to first loudness, the second loudness, sound frequency and force feedback is listened, calculate and exports hearing
Test result.
Wherein, the test sound is multiple groups, and corresponding first loudness, the second loudness and sound frequency are multiple groups.
In a kind of possible realization, step 304 includes:
When playing the test sound with setting sound frequency,
The first loudness upper bound: initial value 100%；First loudness lower bound: initial value 0%；First loudness: initial value 50%,
S1, the sound intensity of setting test sound, defining the sound intensity is the first loudness；
S2 records the second loudness of the second loudness minimum sound=current if test sound is heard, and the first sound is arranged
The upper bound=first loudness, the first loudness=(the first loudness upper bound the+the first loudness lower bound)/2 are spent, and enters step S4；
The first loudness lower bound=first loudness, the first loudness=(the first sound is arranged if test sound is not heard in S3
Spend the+the first loudness of upper bound lower bound)/2；
S4 exports the second loudness minimum sound as current sound when (the first loudness upper bound the-the first loudness lower bound) < 1%
The test result of frequency；Otherwise step S1 is returned to.The present embodiment discloses a kind of free found field hearing test system and method, should
Method includes: the test sound for playing and having setting sound frequency and setting sound intensity, and defining the sound intensity is first
Loudness；The test sound is received, and calculates the sound intensity for obtaining position of the test sound in receiving area, defines the sound
Sonority is the second loudness；Carry out test sound whether be heard listen force feedback；D, according to first loudness, the second sound
Degree and listens force feedback, calculate and exports hearing test result sound frequency.Wherein, during hearing test, according to user couple
What whether test sound was heard listens force feedback, and the loudness or frequency of test sound can be reset by the computer installation
It is tested.Technical solution of the present invention can accurately obtain the loudness size heard human ear position, not the influence of tested person distance；
And calibrated by the algorithm in hearing aid DSP, accuracy is higher.
Computer installation corresponding to Fig. 1 is used for free found field hearing test, is mobile phone, plate, notebook optionally
The portable mobile termianls such as computer or desktop computer, including memory and processor, it is described to be stored with an at least Duan Chengxu, it is described
At least one section of program is executed as the processor to realize free found field hearing test method corresponding to Fig. 2.
Fig. 4 shows a kind of knot of the computer installation for free found field hearing test involved in the embodiment of the present invention
Structure schematic diagram, the device mainly includes processor 401, memory 402 and buses 403.
Processor 401 includes one or more processing cores, and processor 401 passes through bus 403 and 402 phase of memory
Even, memory 402 realizes the above method when executing the program instruction in memory 402 for storing program instruction, processor 401
The free found field hearing test method that embodiment provides.
Optionally, memory 402 can be by any kind of volatibility or non-volatile memory device or their group
It closes and realizes, such as static to access memory (SRAM) at any time, electrically erasable programmable read-only memory (EEPROM) is erasable to compile
Journey read-only memory (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash
Device, disk or CD.
The present invention also provides a kind of computer readable storage medium, be stored in the storage medium at least one instruction,
At least a Duan Chengxu, code set or instruction set, at least one instruction, an at least Duan Chengxu, code set or instruction set are by institute
State processor load and execute with realize above method embodiment provide free found field hearing test method.
Optionally, the present invention also provides a kind of computer program products comprising instruction, when it runs on computers
When, so that computer executes free found field hearing test method described in above-mentioned various aspects.
Those of ordinary skill in the art will appreciate that realizing that all or part of the steps of above-described embodiment can pass through hardware
It completes, relevant hardware can also be instructed to complete by program, the program can store computer-readable with one kind
In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
The foregoing is merely presently preferred embodiments of the present invention, is not used to limit invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of free found field hearing test system characterized by comprising
Computer installation and hearing aid with Audio Players, the computer installation and the hearing aid by be connected to the network into
Row communication；
The computer installation is equipped with test APP, is used for:
The broadcasting frequency of test sound is set, and Xiang Suoshu hearing aid sends frequency instruction；
The playback loudness of the test sound is set, and playback loudness is the first loudness；
Audio Players are driven to play the test sound according to broadcasting frequency and playback loudness；
The instruction that finishes playing is sent to the hearing aid；
Whether inquiry and confirmation user hear the test sound；
Receive the second loudness transmitted by hearing aid；
And according to second loudness and the first loudness, export hearing test result；
Hearing aid is used for:
After receiving frequency instruction, test sound the connecing at hearing aid end is calculated according to the collected test sound
Loudness is received, reception loudness is the second loudness；
It receives after finishing playing instruction, Xiang Suoshu computer installation sends second loudness.
2. free found field hearing test system according to claim 1, which is characterized in that the network connection is logical for BLE
Letter connection.
3. free found field hearing test system according to claim 1, which is characterized in that the frequency instruction includes described
Test the broadcasting frequency value of sound.
4. free found field hearing test system according to claim 1, which is characterized in that described to play the test sound
Sound, comprising:
Play the test sound go 1s.
5. free found field hearing test system according to claim 1, which is characterized in that the inquiry and confirmation user are
It is no to hear the test sound, comprising: to be inquired and confirmed by way of graphic user interface or voice feedback.
6. a kind of free found field hearing test method characterized by comprising
A plays the test sound for having setting sound frequency and setting sound intensity, and defining the sound intensity is the first sound
Degree；
B receives the test sound, and calculates the sound intensity for obtaining position of the test sound in receiving area, and definition should
Sound intensity is the second loudness；
C, carry out test sound whether be heard listen force feedback；
D according to first loudness, the second loudness, sound frequency and listens force feedback, calculates and exports hearing test result.
7. free found field hearing test method according to claim 6, which is characterized in that the test sound is multiple groups,
Corresponding first loudness, the second loudness and sound frequency are multiple groups.
8. free found field hearing test method according to claim 6, which is characterized in that first sound according to
Degree, the second loudness, sound frequency and force feedback is listened, calculate and exports hearing test result, comprising:
When playing the test sound with setting sound frequency,
The first loudness upper bound: initial value 100%；First loudness lower bound: initial value 0%；First loudness: initial value 50%,
S1, the sound intensity of setting test sound, defining the sound intensity is the first loudness；
S2 records the second loudness of the second loudness minimum sound=current if test sound is heard, and is arranged in the first loudness
Boundary=the first loudness, the first loudness=(the first loudness upper bound the+the first loudness lower bound)/2, and enter step S4；
The first loudness lower bound=first loudness is arranged if test sound is not heard in S3, and the first loudness=(in the first loudness
Boundary's the+the first loudness lower bound)/2；
S4 exports the second loudness minimum sound as current sound frequency when (the first loudness upper bound the-the first loudness lower bound) < 1%
Test result；Otherwise step S1 is returned to.
9. a kind of digital deaf-aid, which is characterized in that turn including microphone, preamplifier, A/D converter, dsp chip, D/A
Change device and earphone, the dsp chip is stored with an at least Duan Chengxu, it is described when at least one section of program executes to realize that right such as is wanted
Free found field hearing test method described in asking 6.
10. a kind of computer installation for free found field hearing test, including memory and processor, described to be stored at least
One Duan Chengxu, at least one section of program are executed by the processor to realize free found field hearing as claimed in claim 6
Test method.
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| CN110674340A (en) * | 2019-09-30 | 2020-01-10 | Oppo（重庆）智能科技有限公司 | Audio testing method and device, storage medium and terminal |
| CN111202527A (en) * | 2020-01-20 | 2020-05-29 | 乾凰(重庆)声学科技有限公司 | Objective test system for infant audiometry |
| CN111466919A (en) * | 2020-04-15 | 2020-07-31 | 深圳市欢太科技有限公司 | Hearing detection method, terminal and storage medium |
| CN113676824A (en) * | 2021-09-19 | 2021-11-19 | 武汉左点科技有限公司 | Hearing aid adaptability training method and device |
| CN114947833A (en) * | 2022-06-07 | 2022-08-30 | 深圳市听多多科技有限公司 | Hearing loss testing method based on earphone equipment and related equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110674340A (en) * | 2019-09-30 | 2020-01-10 | Oppo（重庆）智能科技有限公司 | Audio testing method and device, storage medium and terminal |
| CN111202527A (en) * | 2020-01-20 | 2020-05-29 | 乾凰(重庆)声学科技有限公司 | Objective test system for infant audiometry |
| CN111466919A (en) * | 2020-04-15 | 2020-07-31 | 深圳市欢太科技有限公司 | Hearing detection method, terminal and storage medium |
| CN113676824A (en) * | 2021-09-19 | 2021-11-19 | 武汉左点科技有限公司 | Hearing aid adaptability training method and device |
| CN114947833A (en) * | 2022-06-07 | 2022-08-30 | 深圳市听多多科技有限公司 | Hearing loss testing method based on earphone equipment and related equipment |
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