CN107970034A - A kind of portable audiometry equipment and its audiometry, calibration method - Google Patents
A kind of portable audiometry equipment and its audiometry, calibration method Download PDFInfo
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- CN107970034A CN107970034A CN201711483221.9A CN201711483221A CN107970034A CN 107970034 A CN107970034 A CN 107970034A CN 201711483221 A CN201711483221 A CN 201711483221A CN 107970034 A CN107970034 A CN 107970034A
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- 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
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- 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
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Abstract
The invention discloses a kind of portable audiometry equipment and its audiometry, calibration method, which includes computer sound card, the dual-channel headphone being connected with the computer sound card by adapter；The computer sound card, for controlling sound card to export, sends the standard voice signal of assigned frequency and the sound intensity；The dual-channel headphone, the standard voice signal for computer sound card to be sent are transmitted into the ear, and realize tests,air conduction.Beneficial effects of the present invention：Hearing test is realized with professional earphone, there is low cost using computer sound card, it is easy to carry, using the advantages that simple, powerful, it can meet medical inspection needs, and be conducive to patient and complete hearing self-monitoring, for the great popularization power of some three line policlinics and township hospital.For the portable audiometry equipment of sound card+specialty earphone, calibration also more can be easily completed, makes sound error within rational permissible range.
Description
Technical field
The present invention relates to technical field of medical equipment, it particularly relates to a kind of portable audiometry equipment and its audiometry, school
Quasi- method.
Background technology
At present, the audiometry of hospital's ear nose larynx section office checks most audiometric rooms and audiometry equipment for needing specialty, involves great expense,
And do not have portability, the particularly disadvantageous examination at any time and monitoring that hearing is carried out in patient.
Traditional audiometry inspection usually requires to complete using special audiometric room, and existing audiometry test mode is not
Easy to operate, patient carries out audiometry and checks extremely inconvenience, and especially for listening, the daily monitoring of fluctuation patient is relatively difficult to achieve.
The problem of in correlation technique, not yet propose effective solution at present.
The content of the invention
For the above-mentioned technical problem in correlation technique, the present invention proposes a kind of portable audiometry equipment and its audiometry, school
Quasi- method, can realize portable hearing test.
To realize above-mentioned technical purpose, the technical proposal of the invention is realized in this way：
A kind of portable audiometry equipment, including computer sound card, the two-channel that is connected with the computer sound card by adapter
Earphone；
The computer sound card, for controlling sound card to export, sends the standard voice signal of assigned frequency and the sound intensity；
The dual-channel headphone, the standard voice signal for computer sound card to be sent are transmitted into the ear, and realize tests,air conduction.
Alternatively, which includes audiometric curve generation module, for drawing the audiometric curve of examiner.
Preferably, the audiometry equipment further comprises alignment unit, the alignment unit includes：
Sound level meter, for measuring the sound pressure level and sound level of the standard voice signal by dual-channel headphone transmission；
Logging modle is adjusted, is exported for adjusting the computer sound card according to the measurement result of the sound level meter, and record survey
Measure result and the correspondence of sound card output；
Calibration result extraction module, for the correspondence of the sound level meter measurement result of record and sound card output to be carried out data cable
Property fitting, carry out the drafting of the sound intensity and sound card output coordinate figure, error verified according to the point on drafting figure.
Preferably, the adapter includes：Two core tone frequency channel wires, 4 PG7 copper joints, the audio of 6.5 millimeters of diameter are inserted
Seat and box body；
One end of the two cores tone frequency channel wire is connected with the RCA delivery outlets of computer sound card, and the other end is with being fixed on box body one end
Two PG7 copper joints are connected；
Two other PG7 copper joint is connected with the audio socket positioned at the box body other end, the audio socket and the alliteration
The input terminal of road earphone is connected.
According to another aspect of the present invention, there is provided a kind of hearing test method, comprises the following steps：
S11 control computer sound cards send the voice signal of assigned frequency and the sound intensity；
S12 passes through the specified frequency that the dual-channel headphone being connected with the computer sound card by adapter sends computer sound card
The voice signal of rate and the sound intensity is transmitted into the ear carry out hearing test, records hearing test result；
After S13 completes the measurement of the voice signal of all specific frequencies and the specific sound intensity, hearing is drawn according to hearing test result
Test chart.
Preferably, also needing to carry out equipment Alignment before S11, comprise the following steps：
S21 adjustment computer sound card outputs, obtain the standard voice of specific frequency and the specific sound intensity；
S22 sound level meters receive the voice signal from computer sound card by dual-channel headphone, determine that standard voice reaches specified
Precision after, record the standard voice and the correspondence of output of specific frequency and the specific sound intensity；
After S23 completes the test of all standard voices, by the standard voice of the specific frequency of record and the specific sound intensity and output
Correspondence is fitted in advance, obtains matched curve；
After S24 verifies matched curve in the range of the tolerance, the standard sound of final specific frequency and the specific sound intensity is recorded
Sound and the correspondence of output, complete calibration.
Further, determine that standard voice reaches the precision specified and specifically includes in S22：If it is not reaching to algnment accuracy
Then readjust computer sound card output；Otherwise, the standard voice pass corresponding with output of specific frequency and the specific sound intensity is recorded
System.
Further, when carrying out equipment Alignment, dual-channel headphone is connected with coupler, and the coupler is international standard
2cc acoustical couplings chamber as defined in IEC 60126.
Beneficial effects of the present invention：Hearing test is realized with professional earphone, there is low cost using computer sound card,
It is easy to carry, using the advantages that simple, powerful, it can meet medical inspection needs, and be conducive to patient and complete hearing certainly
I monitors, for the great popularization power of some three line policlinics and township hospital.Set for sound card+portable audiometry of specialty earphone
It is standby, calibration also more can be easily completed, makes sound error within rational permissible range.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of flow diagram of the calibration method of the portable audiometry equipment described according to embodiments of the present invention；
Fig. 2 is a kind of flow diagram of the hearing test method of the portable audiometry equipment described according to embodiments of the present invention.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art's all other embodiments obtained, belong to what the present invention protected
Scope.
A kind of portable audiometry equipment according to embodiments of the present invention, including computer sound card and the computer
The dual-channel headphone that sound card is connected by adapter；
The computer sound card, for controlling sound card to export, sends the standard voice signal of assigned frequency and the sound intensity；
The dual-channel headphone, the standard voice signal for computer sound card to be sent are transmitted into the ear, and realize tests,air conduction.
Alternatively, which includes audiometric curve generation module, for drawing the audiometric curve of examiner.
Preferably, the audiometry equipment further comprises alignment unit, the alignment unit includes：
Sound level meter, for measuring the sound pressure level and sound level of the standard voice signal by dual-channel headphone transmission；
Logging modle is adjusted, is exported for adjusting the computer sound card according to the measurement result of the sound level meter, and record survey
Measure result and the correspondence of sound card output；
Calibration result extraction module, for the correspondence of the sound level meter measurement result of record and sound card output to be carried out data cable
Property fitting, carry out the drafting of the sound intensity and sound card output coordinate figure, error verified according to the point on drafting figure.
Preferably, the adapter includes：Two core tone frequency channel wires, 4 PG7 copper joints, the audio of 6.5 millimeters of diameter are inserted
Seat and box body；
One end of the two cores tone frequency channel wire is connected with the RCA delivery outlets of computer sound card, and the other end is with being fixed on box body one end
Two PG7 copper joints are connected；
Two other PG7 copper joint is connected with the audio socket positioned at the box body other end, the audio socket and the alliteration
The input terminal of road earphone is connected.
According to another aspect of the present invention, as indicated with 2, there is provided a kind of hearing test method, comprises the following steps：
S11 control computer sound cards send the voice signal of assigned frequency and the sound intensity；
S12 passes through the specified frequency that the dual-channel headphone being connected with the computer sound card by adapter sends computer sound card
The voice signal of rate and the sound intensity is transmitted into the ear carry out hearing test, records hearing test result；
After S13 completes the measurement of the voice signal of all specific frequencies and the specific sound intensity, hearing is drawn according to hearing test result
Test chart.
Preferably, also need to carry out equipment Alignment before S11, as shown in Figure 1, comprising the following steps：
S21 adjustment computer sound card outputs, obtain the standard voice of specific frequency and the specific sound intensity；
S22 sound level meters receive the voice signal from computer sound card by dual-channel headphone, determine that standard voice reaches specified
Precision after, record the standard voice and the correspondence of output of specific frequency and the specific sound intensity；
After S23 completes the test of all standard voices, by the standard voice of the specific frequency of record and the specific sound intensity and output
Correspondence is fitted in advance, obtains matched curve；
After S24 verifies matched curve in the range of the tolerance, the standard sound of final specific frequency and the specific sound intensity is recorded
Sound and the correspondence of output, complete calibration.
Further, determine that standard voice reaches the precision specified and specifically includes in S22：If it is not reaching to algnment accuracy
Then readjust computer sound card output；Otherwise, the standard voice pass corresponding with output of specific frequency and the specific sound intensity is recorded
System.
Further, when carrying out equipment Alignment, dual-channel headphone is connected with coupler, and the coupler is international standard
2cc acoustical couplings chamber as defined in IEC 60126.
In order to facilitate understand the present invention above-mentioned technical proposal, below by way of in specifically used mode to the present invention it is above-mentioned
Technical solution is described in detail.
When specifically used, notebook, earphone and adapter are connected to audiometry equipment by the present invention, and by sound level meter with
Earphone, which is connected, to be calibrated.The different output valves of sound card correspond to the different sound intensitys produced, different frequency on notebook
Sound, sound level meter are a kind of sound measurement instruments.When being calibrated, sound level meter is received by professional earphone and comes from notebook meter
The voice signal of sound card on calculation machine, exports by adjusting sound card, produces satisfactory voice signal, and it is defeated to record sound card at this time
Go out.Above step is repeated, completes all frequencies, the record of sound intensity testing point output.After measurement, Linear Quasi is carried out to data
Close, complete the drafting of the sound intensity-sound card output coordinate figure, then selected part point is verified, if validation error is excessive, is prompted
Calibration failure is, it is necessary to recalibrate, if validation error is calibrated successfully in permissible range, prompting.Calibration data is stored, with
Standby audiometry is used.
As shown in Figure 1, selecting calibrating mode first, if the automatic calibration of selection, specific calibration method includes as follows
Step：
Step 201）Computer sound card output is adjusted, obtains the standard voice of specific frequency and the specific sound intensity；
Step 202）Determine whether standard voice reaches the precision specified, return to step 201 if algnment accuracy is not reaching to；
Otherwise, the standard voice and the correspondence of output of specific frequency and the specific sound intensity are recorded；
Then judge whether to complete the test of all standard voices, 203 are entered step if completing）；Otherwise return to step
201）Until complete the calibration test of all standard voices；
Step 203）The standard voice of the specific frequency of record and the specific sound intensity is fitted in advance with the correspondence exported,
Obtain matched curve；
Step 204）Verify that matched curve whether in the range of tolerance, is completed if calibrated if；Otherwise return to step
201）, until the error of matched curve is in permissible range；
Step 205）The standard voice and the correspondence of output of final specific frequency and the specific sound intensity are recorded, completes calibration.
Further, since the voice signal of computer outflow is by sound card output control, sound card output and the sound of voice signal
By force, frequency is one-to-one relation.Around this principle, when carrying out hearing test, we are defeated using software control sound card
Go out, send specific frequency, the standard signal of the specific sound intensity, by a professional earphone, be passed in examiner's ear, to realize conductance
Audiometry.At the same time, moreover it is possible to a human-computer interaction interface exchanged with examiner is provided, using simple.After to be checked, moreover it is possible to
The automatic audiometric curve for drawing examiner, generates Examination report sheet, will check data deposit database, realizes that other are with hospital
The gapless fusion of system.
It is the flow chart of hearing test method provided by the invention as shown in Figure 2, specifically comprises the following steps：
Audiometry equipment is calibrated using the calibration method of Fig. 1, the audiometry equipment includes：Computer sound card, adapter and earphone；School
Audiometry function is selected after standard, then obtains tester's information, starts audiometric testing, specifically comprises the following steps：
Step 101）The voice signal of assigned frequency and the sound intensity is sent for control computer sound card；
Step 102）The assigned frequency and the voice signal of the sound intensity that computer sound card is sent are transmitted into the ear progress through dual-channel headphone
Hearing test, and record hearing test result；
Return to step 101）, the measurement of the voice signal until completing all specific frequencies and the specific sound intensity；
Step 103）Hearing test figure is drawn according to hearing test result.
In conclusion by means of the above-mentioned technical proposal of the present invention, come by using computer sound card and professional earphone real
Existing hearing test, has low cost, easy to carry, using the advantages that simple, powerful, can meet medical inspection needs,
And be conducive to patient and complete hearing self-monitoring, for the great popularization power of some three line policlinics and township hospital.For sound
The portable audiometry equipment of card+specialty earphone, also can easily complete calibration, sound error rational permissible range it
It is interior.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention god.
Claims (8)
1. a kind of portable audiometry equipment, it is characterised in that pass through adapter including computer sound card, with the computer sound card
Connected dual-channel headphone；
The computer sound card, for controlling sound card to export, sends the standard voice signal of assigned frequency and the sound intensity；
The dual-channel headphone, the standard voice signal for computer sound card to be sent are transmitted into the ear, and realize tests,air conduction.
2. portable audiometry equipment according to claim 1, it is characterised in that the audiometry equipment is generated including audiometric curve
Module, for drawing the audiometric curve of examiner.
3. portable audiometry equipment according to claim 1, it is characterised in that the audiometry equipment further comprises that calibration is single
Member, the alignment unit include：
Sound level meter, for measuring the sound pressure level and sound level of the standard voice signal by dual-channel headphone transmission；
Logging modle is adjusted, is exported for adjusting the computer sound card according to the measurement result of the sound level meter, and record survey
Measure result and the correspondence of sound card output；
Calibration result extraction module, for the correspondence of the sound level meter measurement result of record and sound card output to be carried out data cable
Property fitting, carry out the drafting of the sound intensity and sound card output coordinate figure, error verified according to the point on drafting figure.
4. portable audiometry equipment according to claim 1, it is characterised in that the adapter includes：Two core tone frequency channel wires,
The audio socket and box body of 4 PG7 copper joints, 6.5 millimeters of diameter；
One end of the two cores tone frequency channel wire is connected with the RCA delivery outlets of computer sound card, and the other end is with being fixed on box body one end
Two PG7 copper joints are connected；
Two other PG7 copper joint is connected with the audio socket positioned at the box body other end, the audio socket and the alliteration
The input terminal of road earphone is connected.
5. a kind of hearing test method, it is characterised in that comprise the following steps：
S11 control computer sound cards send the voice signal of assigned frequency and the sound intensity；
S12 passes through the specified frequency that the dual-channel headphone being connected with the computer sound card by adapter sends computer sound card
The voice signal of rate and the sound intensity is transmitted into the ear carry out hearing test, records hearing test result；
After S13 completes the measurement of the voice signal of all specific frequencies and the specific sound intensity, hearing is drawn according to hearing test result
Test chart.
6. according to the hearing test method described in claim 5, it is characterised in that also need to carry out equipment school before S11
Standard, comprises the following steps：
S21 adjustment computer sound card outputs, obtain the standard voice of specific frequency and the specific sound intensity；
S22 sound level meters receive the voice signal from computer sound card by dual-channel headphone, determine that standard voice reaches specified
Precision after, record the standard voice and the correspondence of output of specific frequency and the specific sound intensity；
After S23 completes the test of all standard voices, by the standard voice of the specific frequency of record and the specific sound intensity and output
Correspondence is fitted in advance, obtains matched curve；
After S24 verifies matched curve in the range of the tolerance, the standard sound of final specific frequency and the specific sound intensity is recorded
Sound and the correspondence of output, complete calibration.
7. hearing test method according to claim 6, it is characterised in that determine that standard voice reaches what is specified in S22
Precision specifically includes：Computer sound card output is readjusted if algnment accuracy is not reaching to；Otherwise, record specific frequency and
The standard voice of the specific sound intensity and the correspondence of output.
8. hearing test method according to claim 6, it is characterised in that when carrying out equipment Alignment, dual-channel headphone
It is connected with coupler, the coupler is 2cc acoustical couplings chamber as defined in international standard IEC 60126.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711483221.9A CN107970034A (en) | 2017-12-29 | 2017-12-29 | A kind of portable audiometry equipment and its audiometry, calibration method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711483221.9A CN107970034A (en) | 2017-12-29 | 2017-12-29 | A kind of portable audiometry equipment and its audiometry, calibration method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109998554A (en) * | 2019-05-15 | 2019-07-12 | 上海市计量测试技术研究院 | A kind of hand-held sound field type universal newborn hearing screening instrument calibrating installation |
| WO2020220271A1 (en) * | 2019-04-30 | 2020-11-05 | 徐俊丽 | Memory, acoustic unit and audio processing method and apparatus therefor, device and system |
| CN111918197A (en) * | 2020-01-10 | 2020-11-10 | 厦门豆听科技有限公司 | Portable hearing instrument with automatic calibration function |
| US11095996B2 (en) | 2018-11-09 | 2021-08-17 | King Chung | Portable calibration system for audio equipment and devices |
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| US20170231535A1 (en) * | 2014-08-17 | 2017-08-17 | Audyx Systems Ltd. | Audiometer |
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| US20050192515A1 (en) * | 2001-02-07 | 2005-09-01 | East Carolina University | Systems, methods and products for diagnostic hearing assessments distributed via the use of a computer network |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11095996B2 (en) | 2018-11-09 | 2021-08-17 | King Chung | Portable calibration system for audio equipment and devices |
| US11706578B2 (en) | 2018-11-09 | 2023-07-18 | King Chung | Portable calibration system for audio equipment and devices |
| WO2020220271A1 (en) * | 2019-04-30 | 2020-11-05 | 徐俊丽 | Memory, acoustic unit and audio processing method and apparatus therefor, device and system |
| CN114173652A (en) * | 2019-04-30 | 2022-03-11 | 重庆中嘉盛世智能科技有限公司 | Memory, acoustic unit and audio processing method, device, equipment and system thereof |
| CN109998554A (en) * | 2019-05-15 | 2019-07-12 | 上海市计量测试技术研究院 | A kind of hand-held sound field type universal newborn hearing screening instrument calibrating installation |
| CN111918197A (en) * | 2020-01-10 | 2020-11-10 | 厦门豆听科技有限公司 | Portable hearing instrument with automatic calibration function |
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