CN115442695A - Audiological inspection earphone and method - Google Patents
Audiological inspection earphone and method Download PDFInfo
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- CN115442695A CN115442695A CN202211157886.1A CN202211157886A CN115442695A CN 115442695 A CN115442695 A CN 115442695A CN 202211157886 A CN202211157886 A CN 202211157886A CN 115442695 A CN115442695 A CN 115442695A
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- 238000007689 inspection Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title abstract description 11
- 230000009467 reduction Effects 0.000 claims abstract description 26
- 238000012360 testing method Methods 0.000 claims abstract description 17
- 101001010782 Drosophila melanogaster Fez family zinc finger protein erm Proteins 0.000 claims abstract description 16
- 230000007613 environmental effect Effects 0.000 claims description 20
- 238000012074 hearing test Methods 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 229920000742 Cotton Polymers 0.000 claims description 4
- 230000000638 stimulation Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 2
- 210000005069 ears Anatomy 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 2
- 206010011878 Deafness Diseases 0.000 description 3
- 230000010370 hearing loss Effects 0.000 description 3
- 231100000888 hearing loss Toxicity 0.000 description 3
- 208000016354 hearing loss disease Diseases 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012076 audiometry Methods 0.000 description 1
- 208000027115 auditory system disease Diseases 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1083—Reduction of ambient noise
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/12—Audiometering
- A61B5/121—Audiometering evaluating hearing capacity
- A61B5/123—Audiometering evaluating hearing capacity subjective methods
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/10—Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Pathology (AREA)
- Medical Informatics (AREA)
- Otolaryngology (AREA)
- Biophysics (AREA)
- Signal Processing (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Multimedia (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The application discloses an audiological examination earphone and a method, and belongs to the technical field of hearing detection equipment. Comprises earmuffs, a head band, an active noise reduction module and a plug-in earphone; ear cushions for surrounding auricles are arranged on the circumferential sides of the ear cups, and the ear cups are respectively arranged at the two ends of the head band; the active noise reduction module is arranged on the ear muffs and used for reducing the external environment noise; the insert earphone is disposed in the ear muff, and the insert earphone is used for audiological testing. The earphone for active noise reduction, passive noise reduction and audiological examination is combined, so that the noise reduction effect is improved, the operation and the movement are convenient, and the clinical requirements can be met without a traditional sound insulation chamber; the problem of "the hearing inspection relies on the sound insulation room among the prior art, and the sound insulation room is comparatively heavy, and is bulky, and generally can not remove after the completion, has increased the cost of hearing inspection" is solved.
Description
Technical Field
The application relates to the technical field of hearing detection equipment, in particular to an audiological examination earphone and an audiological examination method.
Background
The statements herein merely provide background information related to the present application and may not necessarily constitute prior art.
The hearing test is a test for understanding the state of auditory function and diagnosing auditory system diseases by observing the reaction caused by acoustic stimulation. The purpose is to understand the degree, nature and location of hearing loss. The purpose of hearing examination is to understand the degree, nature and location of the hearing loss. The human ear is not easily noticed at the beginning of hearing loss, and can be found only through audiological examination of medical institutions.
The traditional audiological inspection has specific requirements on the environmental noise during the test, and GB7583-87 and GB/T16403-96 stipulate the maximum allowable level of the environmental noise during the audiometry. If the environmental noise is large, it may affect the inspection result generation of the audiological test.
Therefore, current hearing tests are typically performed in sound-proof chambers, where the hearing test is performed directly through an audiometric earpiece. The construction of the sound-proof chamber needs to consume certain manpower, material resources and time, so that the cost for carrying out audiological examination is increased; in addition, the sound insulation chamber is generally heavy and bulky, is generally immovable after being built, and also can cause certain limitation on the development of audiological examination.
Disclosure of Invention
Aiming at the defects in the prior art, the embodiment of the application aims to provide the audiology inspection earphone and the audiology inspection method so as to solve the problems that audiology inspection cannot be carried out at any time and the audiology inspection cost is high.
In order to achieve the above object, the embodiments of the present application provide the following technical solutions:
an audiological examination earphone comprises earmuffs, a head band, an active noise reduction module and a plug-in earphone;
ear cushions used for surrounding auricles are arranged on the periphery sides of the ear muffs, and the ear muffs are respectively arranged at two ends of the head band;
the active noise reduction module is arranged on the ear muffs and used for reducing the external environment noise;
the insert earphone is disposed in the ear muff, and the insert earphone is used for audiological testing.
The embodiment of the application also provides a using method of the audiological examination earphone, which comprises the following steps:
wearing an audiological examination earphone, and tightly attaching the earmuffs and the ears to form a closed space to isolate external environmental noise;
processing the environmental noise through an active noise reduction module to further reduce the noise;
and according to the test requirements, obtaining the hearing test content, and carrying out the hearing test on the testee.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
1. the method combines active noise reduction and passive noise reduction, noise reduction meeting audiological test standards is realized under the condition that an acoustic isolation chamber is not required to be built, and the noise reduction function is not inferior to that of the traditional acoustic isolation chamber;
2. the audiological examination can be carried out at any time, so that the cost for carrying out the audiological examination is reduced;
3. the earmuff built-in plug-in earphone further reduces noise, and simultaneously, the test tone also accords with the audiology inspection standard, and can meet the audiology inspection of professional requirements in the common environment.
4. The feedforward type active noise reduction and feedback are combined in active noise reduction, flexibility of an active noise control system is enhanced, and better noise reduction effect is obtained compared with the effect of using a single structure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
Fig. 1 is a schematic structural diagram of an audiological inspection headset according to an embodiment of the present application;
fig. 2 is a schematic flow chart illustrating a method for using an audiological test headset according to an embodiment of the present disclosure;
FIG. 3 is a schematic cross-sectional view of an earmuff provided by an embodiment of the present application;
FIG. 4 is a schematic diagram of an active noise reduction module provided in an embodiment of the present application;
in the figure: 1. a headband; 2. ear muffs; 201. a housing; 202. an inner cover; 203. a vacuum chamber; 3. an ear pad; 4. a reference microphone; 5. an insert earphone.
The spacing or size between each other is exaggerated to show the location of the locations, and the illustration is for illustrative purposes only.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, unless the application expressly states otherwise, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
for convenience of description, the words "up", "down", "left" and "right" in this application, if any, merely indicate correspondence with the directions of up, down, left and right of the drawings themselves, and do not limit the structure, but merely facilitate the description of the application and simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the application.
The term interpretation section: the terms "mounted," "connected," "fixed," and the like in this application should be understood broadly, and for example, the terms "mounted," "connected," and "fixed" may be fixed, detachable, or integrated; the term "coupled" may refer to a mechanical connection, a direct connection, an indirect connection through an intermediary, an internal connection between two elements, or an interaction between two elements, and the term is used in this application to refer to a specific meaning as one of ordinary skill in the art would understand.
Example one
As described in the background art, in the prior art, the sound-insulating chamber meets the specific requirements of the traditional audiological examination on the environmental noise during the test, the cost is high, and the audiological examination cannot be performed anytime and anywhere.
As shown in fig. 1 and 3, the present embodiment describes an audiological test headset including an ear muff 2, a headband 1, an active noise reduction module, and an insert earphone 5; ear cushions 3 for surrounding auricles are arranged on the circumferential sides of the ear muffs 2, the number of the ear muffs 2 is 2, and the ear muffs are respectively arranged at the two ends of the head band 1; the active noise reduction module is arranged on the ear muff 2 and is used for reducing the external environmental noise; the insert earphone 5 is built in the ear muff 2, and the insert earphone 5 is used for audiological testing.
As shown in fig. 4, the number of active noise reduction modules is 2, and the active noise reduction modules are respectively mounted on two ear muffs 2; the active noise reduction module comprises a feedforward controller, a loudspeaker, a reference microphone 4, an error microphone and a feedback controller, wherein the reference microphone 4 is arranged on the outer side of the ear muff 2, the reference microphone 4 is electrically connected with the feedforward controller, the error microphone is arranged on the inner side of the inner cover 202, the error microphone is electrically connected with the feedforward controller, the loudspeaker is arranged on the inner side of the ear muff 2 and is respectively and electrically connected with the feedforward controller and the feedback controller, the reference microphone 4 is used for collecting the environmental noise outside the ear muff 2, and the feedforward controller is used for processing the environmental noise to generate a control signal; the error microphone is used for collecting the noise signals penetrating into the ear muffs 2, and the feedback controller is used for processing the noise signals penetrating into the ear muffs 2 to generate control signals; the loudspeaker is used for outputting a stimulating sound field and overlapping the environmental noise according to the control signals generated by the feedforward controller and the feedback controller so as to offset the noise.
The ear pad 3 is made of soundproof cotton, and the side of the ear pad 3 away from the earmuffs 2 is connected with an elastic band for adjusting according to the size of the auricle of the user to be tested to form a closed space.
The headband 1 comprises a driving headband and a driven headband, wherein one end of the driving headband is sleeved with one end of the driven headband and moves along the bending direction of the driven head end; initiative bandeau is provided with the buckle, and 5 draw-in grooves have been seted up to driven bandeau, and the draw-in groove is along the length direction evenly distributed of driven bandeau, and when adjusting bandeau 1, lift up the buckle, remove initiative bandeau, and the adjustment finishes the back, presses the buckle, buckle and draw-in groove joint.
The earmuff 2 comprises an inner cover 202 and a shell 201, one end of the shell 201 is opened, the inner cover 202 is arranged at the opening of the shell 201 and is tightly attached to the shell 201, and a cavity between the shell 201 and the inner cover 202 is a vacuum cavity 203. The inner cover 202 is made of soundproof cotton, the shape and size of the inner cover 202 are consistent with those of the opening, and the shell 201 is a plastic shell 201.
In conducting a hearing test, the insert earphone 5 wirelessly communicates with a computer to obtain the content of the hearing test.
In this embodiment, the insert earphone 5 is an ER-3A insert earphone 5, the reference microphone 4 is a reference microphone, and the error microphone is an error microphone.
Example two
As shown in fig. 2, the present embodiment describes a method for using the above audiological test earphone, which includes the following steps:
s1, wearing an audiological examination earphone, and tightly attaching an earmuff 2 to an ear to form a closed space to isolate external environmental noise; wherein, the headband 1 and the ear pad 3 are adjusted according to the head circumference and the size of the auricle of the user to be tested, so as to form a closed space.
S2, processing the environmental noise through an active noise reduction module to further reduce noise; the reference microphone 4 collects the environmental noise, the feedforward controller processes the environmental noise to output a control signal to the loudspeaker, the error microphone collects the noise signal penetrating into the earmuffs 2, the feedback controller processes the noise signal penetrating into the earmuffs 2 to output a control signal to the loudspeaker, and the loudspeaker outputs a stimulation sound field to be superposed with the environmental noise to offset the noise according to the control signal generated by the feedforward controller and the feedback controller.
And S3, acquiring hearing test contents according to test requirements, and carrying out hearing test on the testee. Wherein the plug-in earphone 5 can be calibrated according to calibration standards and use cases before the test is performed.
Although the embodiments of the present application have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present application, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive effort by those skilled in the art.
Claims (10)
1. An audiological examination earphone is characterized by comprising earmuffs, a head band, an active noise reduction module and a plug-in earphone;
ear cushions for surrounding auricles are arranged on the circumferential sides of the ear cups, and the ear cups are respectively arranged at the two ends of the head band;
the active noise reduction module is arranged on the ear muffs and used for reducing the external environment noise;
the insert earphone is disposed in the ear muff, and the insert earphone is used for audiological testing.
2. The audiological inspection headset of claim 1, wherein the ear pad is made of acoustic cotton.
3. The audiological inspection headset of claim 1, wherein the active noise reduction module comprises a feedforward controller, a speaker, a reference microphone, an error microphone, and a feedback controller;
the reference microphone is used for collecting environmental noise outside the earmuff, and the feedforward controller is used for processing the environmental noise to generate a control signal; the error microphone is used for collecting a noise signal penetrating into the earmuff, and the feedback controller is used for processing the noise signal penetrating into the earmuff to generate a control signal; the loudspeaker is used for outputting a stimulation sound field and overlapping the environmental noise according to the control signals generated by the feedforward controller and the feedback controller so as to offset the noise.
4. The audiological inspection headset of claim 1, wherein a circumferential side of the ear pad away from the ear cup is provided with a tightening structure.
5. The audiological inspection headset of claim 1, wherein the headband comprises a driving headband and a driven headband, one end of the driving headband being sleeved over one end of the driven headband to move in a bending direction of the driven head end.
6. The audiological inspection headset of claim 1, wherein the insert headset communicates with a computer to obtain hearing test content.
7. The audiological inspection headset of claim 1, wherein the ear cup comprises an inner cover and an outer cover;
the vacuum pump is characterized in that one end of the shell is open, the inner cover is arranged at the opening of the shell, and a cavity between the shell and the inner cover is a vacuum cavity.
8. The audiological inspection earphone according to claim 7, wherein the inner cover is made of soundproof cotton, and a shape and a size of the inner cover correspond to a shape and a size of the opening.
9. The audiological inspection headset of claim 1, wherein the insert headset is an ER-3A insert headset.
10. Use of an audiological examination headset according to any of claims 1-9, comprising the steps of:
wearing an audiological examination earphone, and tightly attaching the earmuffs and the ears to form a closed space to isolate external environmental noise;
processing the environmental noise through an active noise reduction module to further reduce the noise;
and according to the test requirements, obtaining the hearing test content, and carrying out the hearing test on the testee.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211157886.1A CN115442695A (en) | 2022-09-22 | 2022-09-22 | Audiological inspection earphone and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211157886.1A CN115442695A (en) | 2022-09-22 | 2022-09-22 | Audiological inspection earphone and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115442695A true CN115442695A (en) | 2022-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211157886.1A Pending CN115442695A (en) | 2022-09-22 | 2022-09-22 | Audiological inspection earphone and method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6396930B1 (en) * | 1998-02-20 | 2002-05-28 | Michael Allen Vaudrey | Active noise reduction for audiometry |
| CN201361178Y (en) * | 2009-03-05 | 2009-12-16 | 孙孝琳 | Sound-proof earshield |
| US20100177907A1 (en) * | 2009-01-14 | 2010-07-15 | Sony Corporation | Headphones and earmuffs |
| US20120170766A1 (en) * | 2011-01-05 | 2012-07-05 | Cambridge Silicon Radio Limited | ANC For BT Headphones |
| US20190122650A1 (en) * | 2015-05-08 | 2019-04-25 | Huawei Technologies Co., Ltd. | Active Noise Cancellation Device |
| US20200029145A1 (en) * | 2018-07-18 | 2020-01-23 | Jvckenwood Corporation | Headphone Device |
-
2022
- 2022-09-22 CN CN202211157886.1A patent/CN115442695A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6396930B1 (en) * | 1998-02-20 | 2002-05-28 | Michael Allen Vaudrey | Active noise reduction for audiometry |
| US20100177907A1 (en) * | 2009-01-14 | 2010-07-15 | Sony Corporation | Headphones and earmuffs |
| CN201361178Y (en) * | 2009-03-05 | 2009-12-16 | 孙孝琳 | Sound-proof earshield |
| US20120170766A1 (en) * | 2011-01-05 | 2012-07-05 | Cambridge Silicon Radio Limited | ANC For BT Headphones |
| US20190122650A1 (en) * | 2015-05-08 | 2019-04-25 | Huawei Technologies Co., Ltd. | Active Noise Cancellation Device |
| US20200029145A1 (en) * | 2018-07-18 | 2020-01-23 | Jvckenwood Corporation | Headphone Device |
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