CN108260068A - Microphone method for testing tightness and device - Google Patents
Microphone method for testing tightness and device Download PDFInfo
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- CN108260068A CN108260068A CN201711408756.XA CN201711408756A CN108260068A CN 108260068 A CN108260068 A CN 108260068A CN 201711408756 A CN201711408756 A CN 201711408756A CN 108260068 A CN108260068 A CN 108260068A
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- microphone
- test
- sound
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- frequency response
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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
- H04R29/00—Monitoring arrangements; Testing arrangements
Abstract
The invention discloses a kind of microphone method for testing tightness and devices.The microphone method for testing tightness includes：Sound attenuator is provided；Test product equipped at least one microphone is placed in sound attenuator；Start a microphone in test product, close other microphones in test product, test sound is generated in sound attenuator, obtain the normal frequency response value of the microphone of the startup；The acoustic aperture for the microphone for corresponding to the startup in test product is blocked, test sound is generated in sound attenuator, obtains the closure frequency response values of the microphone of the startup；It compares the normal frequency response value and blocks frequency response values, obtain frequency response difference, whether determination frequency response difference is more than preset difference value.Method provided by the invention can easily test the being sealed property of microphone in test product.
Description
Technical field
The invention belongs to electronic product technical field of measurement and test, and in particular, to a kind of microphone method for testing tightness and
Device.
Background technology
In recent years, the technology of consumer electronics product is quickly grown, and the technology that earphone products are applied to becomes increasingly complex.
Wherein, either music earphone is still conversed with bluetooth headset, gradually starts the technology using active noise reduction, to improve user
The sense of hearing application experience.
Using outfit microphone is needed on the earphone of active noise reduction techniques, for receiving extraneous noise, and then according to soft
The configuration of part program realizes active noise reduction by sound-producing device.Active noise reduction techniques are to the microphone that is configured on electronic product
Performance and software runnability it is more demanding.Especially on the product of call bluetooth headset, generally require to be configured
At least two microphones are respectively used to receive the sound of user and extraneous noise.Under this application and technology requirement, to electricity
The test of the active noise reduction performance of sub- product becomes particularly significant.
In the prior art, the active noise reduction performance test of microphone can not carry out in the production line, because of the survey of noise reduction
Examination need carried out in noise elimination laboratory, test to environment, equipment it is more demanding.It, can be in anechoic room in development phase
Experimental products are debugged and final noise reduction confirms.But active drop is carried out without enough conditions in process of production
It makes an uproar performance test.The active noise reduction performance of product can not be guaranteed.
Therefore, it is necessary to a kind of test method that can be applied in the production line is developed, to be dropped to the active of electronic product
Performance of making an uproar is tested or pair is tested with the performance-relevant performance of active noise reduction.So that it can recognize that anti-acoustic capability not
Good product.
Invention content
It is an object of the present invention to provide a kind of new solutions of microphone performing leak test.
According to the first aspect of the invention, a kind of microphone method for testing tightness is provided, including：
Sound attenuator is provided；
Test product equipped at least one microphone is placed in sound attenuator；
Start a microphone in test product, close other microphones in test product, generated in sound attenuator
Sound is tested, obtains the normal frequency response value of the microphone of the startup；
The acoustic aperture for the microphone for corresponding to the startup in test product is blocked, test sound is generated in sound attenuator, is obtained
The closure frequency response values of the microphone of the startup；
It compares the normal frequency response value and blocks frequency response values, obtain frequency response difference, determination frequency response
Whether difference is more than preset difference value.
Optionally, the preset difference value is more than 30dB.
Optionally, the acoustic aperture in test product is blocked using plasticine.
Optionally, pass through the startup and closing of the microphone of wireless connection control test product.
Optionally, control device is provided, the control device is configured to wireless with test product in the sound attenuator
The wireless device of connection, the control device pass through wireless device controls test product.
Optionally, setting for generating the artificial mouth of test sound, corresponds in test product and opens in the sound attenuator
The acoustic aperture of dynamic microphone is configured as opposite with emulation mouth position.
Optionally, the spacing corresponded in test product between the acoustic aperture of the microphone started and artificial mouth is 4-6cm.
Optionally, each microphone in test product is respectively started, carry out normal frequency response value and blocks frequency
The test of response.
According to another aspect of the present invention, a kind of microphone tightness measuring device is additionally provided, for above-mentioned microphone
Method for testing tightness, including：
Sound attenuator, is provided with product orientation tooling and sound-producing device in the sound attenuator, the product orientation tooling by with
It is set to and is fixed on test product and the corresponding position of the sound-producing device；
Control device, the control device be configured to test product wireless connection, control the Mike of test product
The startup of wind and the response signal for closing the simultaneously microphone of acceptance test product, the control device are additionally configured to that sounding can be controlled
Device sounding.
Optionally, described device is arranged on the production line of test product.
It was found by the inventors of the present invention that leakproofness quality of the microphone in electronic product, is active noise reduction software and property
An important factor for playing.If the poor sealing of microphone, the software of active noise reduction can not also perform to desired effect.
According to one embodiment of the disclosure, by method provided by the invention, it is capable of easy in the production line to the Mike of product
Being sealed property of wind is tested, so as to the electronic product of screening active noise reduction performance existing defects.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Description of the drawings
It is combined in the description and the attached drawing of a part for constitution instruction shows the embodiment of the present invention, and even
With its explanation together principle for explaining the present invention.
Fig. 1 is the step flow chart of microphone method for testing tightness provided by the invention；
Fig. 2 is the structure diagram of microphone tightness measuring device provided by the invention.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should be noted that：Unless in addition have
Body illustrates that the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
It is illustrative to the description only actually of at least one exemplary embodiment below, is never used as to the present invention
And its application or any restrictions that use.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
In shown here and discussion all examples, any occurrence should be construed as merely illustrative, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need to that it is further discussed.
The present invention provides a kind of microphone method for testing tightness, this method can Validity Test go out microphone and be assemblied in
Whether the leakproofness in electronic product meets performance requirement.Moreover, requirement of the test method to environment and equipment is relative to master
The requirement of dynamic noise reduction test is lower, is suitable for testing finished electronic product on machining production line.The invention of the present invention
People has found that assembling leakproofness of the microphone in electronic product has aobvious with the active noise reduction effect that electronic product can finally embody
Write relevance.If assembling of the microphone self structure there are seal defect or on electronic product there are seal defect,
The operation of active noise reduction software can not give play to good active noise reduction effect.So by method provided by the invention in life
The leakproofness of microphone is tested in producing line, can reflect whether the active noise reduction effect that electronic product finally embodies reaches
Mark.
As shown in Figure 1, test method provided by the invention provides sound attenuator first, used sound attenuator disappears to be existing
Speaker, usually can be by the lower noise in sound attenuator to below 30dB.It will complete the test product of production and processing
It is placed in sound attenuator, at least provided with a microphone in test product.
When needing to test which being sealed property of microphone in test product, control test product starts the Mike
Wind.If there are multiple microphones, by other microphone Close Alls in test product.It in this way, will after on electronic product
Tested microphone is in running order.
Further, test sound is generated in sound attenuator, the microphone of startup can generate after test sound is received
Frequency response forms response signal.Obtain the normal frequency response value that the microphone generates test sound.Testing sound can be with
It is to pre-set for microphone to be made to generate the sound of appropriate frequency response, the present invention is limited not to this.
Then, the acoustic aperture for the microphone that the unlatching is corresponded in test product is blocked, carries out frequency response again
Test.On electronic product, each corresponding microphone, it will usually be formed there are one acoustic aperture, so that extraneous sound can lead to
Enter in microphone.There is also the situations of the same acoustic aperture of the several microphone arrangements of correspondence.In the method for implementing the present invention, as long as
It will be blocked corresponding to the acoustic aperture of unlatching, i.e. tested microphone.In this case, if microphone is assemblied in survey
Leakproofness in trial product is good, and acoustic aperture is also blocked, then the frequency response for testing sound should significantly drop in microphone
It is low.In the case where blocking acoustic aperture, test sound is generated again in sound attenuator, obtain the closure frequency of the microphone of the startup
Response.
Normal frequency response value and closure frequency response values to acquisition compare, and obtain the difference of the two, i.e. frequency
Respond difference.Whether determination frequency response difference is more than preset difference value.If frequency response difference is less than preset difference value, illustrate
It is less relative to the degree that normal frequency response value reduces to block frequency response values, further illustrates the microphone of the unlatching in sound
Hole still is able to receive test sound in the case of being blocked, and there are problems for leakproofness.Opposite, if frequency response difference is big
In preset difference value, then illustrate that closure frequency response values are larger relative to the degree that normal frequency response value reduces, further illustrate
The test intensity of sound that the microphone of the unlatching is received in the case where acoustic aperture is blocked is remarkably decreased, and leakproofness meets performance
It is required that.
By the above method, it can effectively judge whether leakproofness of the microphone in test product meets the requirements.This
Method can set the preset difference value in application according to the performance requirement of actual test product.For example, active noise reduction bluetooth
Earphone is different with the performance requirement of active noise reduction music earphone, then preset difference value can also be different.It may cause the close of microphone
The situation of envelope property existing defects includes：Test product or microphone monomer exist when assembling to be used in assembling gap, test product
Sound-absorbing part dislocation of sound insulation etc., these situations can all cause sound that can be transmitted to microphone from the region other than acoustic aperture, make wheat
Gram wind generates stronger frequency response.
The method of the present invention closes other microphones when testing a microphone, and this design method can prevent
Only the frequency response of other microphones interferes test, further, also active noise reduction software can be prevented to be carried out at the same time two
Error caused by the noise reduction operation of a microphone.
In a kind of optional embodiment, the preset difference value is 30dB, which means to block frequency response values
In the case of being more than 30dB with the difference of normal frequency response value, the leakproofness of microphone meets performance requirement.Other optional
Embodiment in, preset difference value can be 40dB or higher, the present invention limited not to this.Certainly, in special implementation
In mode, preset difference value might be less that 30dB.Preferably, the preset difference value is more than 30dB, good to meet microphone realization
The requirement of good active noise reduction function.
It is alternatively possible to the acoustic aperture in test product is blocked using plasticine.In the side of the actual implementation present invention
During method, it can be taken out after the test for completing normal frequency response value by test product or together with the tooling of fixed test product
Sound attenuator is blocked using manipulator or manually by plasticine in acoustic aperture.Test product is returned in sound attenuator again later, it is complete
Into the test for blocking frequency response values.Plasticine has good soundproof effect, and easy to use, at low cost, suitable for this
Test environment of the invention on production and processing line.
Preferably, the present invention forms signal with test product by the way of wireless connection and connect, and controls test product
Microphone starts and closes.Further, as shown in Fig. 2, wireless device can be placed in sound attenuator 1, for receiving, analyzing
The control device 2 of data is then arranged on outside sound attenuator 1, for staff's operation, is checked.Control device 2 by bluetooth, WIFI,
The modes such as Dongle wireless connection, control test product, avoid the need for the burning test program in test product, reduce survey
Difficulty is tried, improves testing efficiency.Control device 2 sends control signal by wireless device to test product, and passes through wireless
Equipment receives the response signal that test product returns.
Optionally, artificial mouth is provided in the sound attenuator 1, as shown in Figure 2.The artificial mouth is used to generate test sound
Sound, particularly, posture of the test product 01 in sound attenuator 1, position are configured as to adjust, so that right in test product 01
It should be configured as in the acoustic aperture of the microphone of startup opposite with emulation mouth position.On the one hand this configuration mode enables microphone
Test sound is more directly received, each tested microphone on the other hand can be enable to be in identical position, improve and survey
The uniformity of examination.
Preferably, the spacing in test product between the acoustic aperture of the corresponding microphone started and artificial mouth is 4-6cm,
During away from keeping within the above range, the stability of test is best.Preferably, above-mentioned spacing is 5cm.Targeted test product is
Active noise reduction bluetooth headset.
Particularly, by means of the invention it is also possible to be tested respectively each microphone in test product.Example
Such as, there are two microphones for configuration on active noise reduction bluetooth headset, then can first open wherein first microphone, close second
Microphone carries out normal frequency response value to first microphone and blocks the test of frequency response values.After test completion, then
Start second microphone, close first microphone accordingly, normal frequency response value and closure are carried out to second microphone
The test of frequency response values.When having multiple microphones in test product, it can recycle and perform above-mentioned test method, to not having one
A being sealed property of microphone test.
The present invention also provides a kind of microphone tightness measuring devices for above-mentioned test method.It as shown in Fig. 2, should
Device includes sound attenuator 1 and control device 2.Wherein, product orientation tooling 11 and sound-producing device 12 are provided in sound attenuator 1.Institute
Product orientation tooling 11 is stated for fixing test product 01, test product 01 can be fixed on and 12 phase of sound-producing device
Corresponding position.The sound-producing device 12 can be artificial mouth or reed-type loud speaker etc., and the present invention is limited not to this.
The control device 2 is arranged on outside sound attenuator 1, be provided in sound attenuator 1 connect with 2 signal of control device it is wireless
Equipment, control device 2 realize the startup of the microphone to test product 01 by wireless device and 01 wireless connection of test product
And closing, and the response signal of the generation of test product 01 can be received.Further, control device 2 is additionally configured to energy control
12 sounding of sound-producing device.
Particularly, microphone tightness measuring device provided by the invention is arranged on the production line of product, in life
The product of assembling is completed in detection in producing line.In order to quick, easy screening, there are leakproofness faulty goods.And then it may determine that
The bad product of active noise reduction performance.
Although some specific embodiments of the present invention are described in detail by example, the skill of this field
Art personnel it should be understood that example above merely to illustrating, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above example.This hair
Bright range is defined by the following claims.
Claims (10)
1. a kind of microphone method for testing tightness, which is characterized in that including：
Sound attenuator is provided；
Test product equipped at least one microphone is placed in sound attenuator；
Start a microphone in test product, close other microphones in test product, test is generated in sound attenuator
Sound obtains the normal frequency response value of the microphone of the startup；
The acoustic aperture for the microphone for corresponding to the startup in test product is blocked, test sound is generated in sound attenuator, this is obtained and opens
The closure frequency response values of dynamic microphone；
It compares the normal frequency response value and blocks frequency response values, obtain frequency response difference, determination frequency response difference
Whether preset difference value is more than.
2. microphone method for testing tightness according to claim 1, which is characterized in that the preset difference value is more than
30dB。
3. microphone method for testing tightness according to claim 1, which is characterized in that test production is blocked using plasticine
Acoustic aperture on product.
4. microphone method for testing tightness according to claim 1, which is characterized in that tested by wireless connection control
The startup and closing of the microphone of product.
5. microphone tightness testing method according to claim 4, which is characterized in that control device, the control are provided
Equipment is configured to the wireless device with test product wireless connection in the sound attenuator, and the control device is by wirelessly setting
Standby control test product.
6. microphone method for testing tightness according to claim 1, which is characterized in that set and use in the sound attenuator
It is configured as and emulation mouth position in the acoustic aperture for corresponding to the microphone started on the artificial mouth for generating test sound, test product
Relatively.
7. microphone method for testing tightness according to claim 6, which is characterized in that correspond in test product and start
Microphone acoustic aperture and artificial mouth between spacing be 4-6cm.
8. microphone method for testing tightness according to claim 1, which is characterized in that be respectively started in test product
Each microphone carries out normal frequency response value and blocks the test of frequency response values.
9. a kind of microphone tightness measuring device, described device exists for method one of arbitrary claim 1-8, feature
In, including：
Sound attenuator is provided with product orientation tooling and sound-producing device in the sound attenuator, and the product orientation tooling is configured as
Test product is fixed on and the corresponding position of the sound-producing device；
Control device, the control device be configured to test product wireless connection, control the microphone of test product
Start and close the response signal of the simultaneously microphone of acceptance test product, the control device is additionally configured to that sound-producing device can be controlled
Sounding.
10. microphone tightness measuring device according to claim 9, which is characterized in that described device is arranged on test
On the production line of product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711408756.XA CN108260068B (en) | 2017-12-22 | 2017-12-22 | Microphone sealing performance testing method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711408756.XA CN108260068B (en) | 2017-12-22 | 2017-12-22 | Microphone sealing performance testing method and device |
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| CN108260068A true CN108260068A (en) | 2018-07-06 |
| CN108260068B CN108260068B (en) | 2020-05-29 |
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|---|---|---|---|
| CN201711408756.XA Active CN108260068B (en) | 2017-12-22 | 2017-12-22 | Microphone sealing performance testing method and device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109275084A (en) * | 2018-09-12 | 2019-01-25 | 北京小米智能科技有限公司 | Test method, device, system, equipment and the storage medium of microphone array |
| CN110166923A (en) * | 2019-05-30 | 2019-08-23 | 厦门盈趣科技股份有限公司 | Audio frequency apparatus test macro and method |
| CN110636432A (en) * | 2019-09-29 | 2019-12-31 | 深圳市火乐科技发展有限公司 | Microphone testing method and related equipment |
| CN111432323A (en) * | 2020-04-01 | 2020-07-17 | Oppo（重庆）智能科技有限公司 | Microphone testing method and device of mobile terminal, electronic equipment and storage medium |
| CN112468951A (en) * | 2021-01-05 | 2021-03-09 | 南京三恩驰贸易有限公司 | Bluetooth headset sound insulation effect high-end test machine |
| CN112714391A (en) * | 2019-10-25 | 2021-04-27 | 深圳市万普拉斯科技有限公司 | Microphone internal sealing performance testing method and device and computer equipment |
| CN112788512A (en) * | 2019-11-01 | 2021-05-11 | 北京声智科技有限公司 | Sealing performance testing method and device and electronic equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100137739A1 (en) * | 2008-08-20 | 2010-06-03 | Lee Sang-Min | Method and device for hearing test |
| CN102572671A (en) * | 2010-12-20 | 2012-07-11 | 歌尔声学股份有限公司 | Test method, test tool and test system for microphone tightness |
| CN104135706A (en) * | 2014-07-31 | 2014-11-05 | 歌尔声学股份有限公司 | A direct pressure type gas tightness detection device and a gas tightness detection method |
| US20150175404A1 (en) * | 2012-09-24 | 2015-06-25 | Cirrus Logic International (Uk) Limited | Mems device and process |
| CN105372026A (en) * | 2015-10-15 | 2016-03-02 | Tcl移动通信科技（宁波）有限公司 | Air tightness detection device and method of microphone pickup structure path |
| CN106535075A (en) * | 2016-11-10 | 2017-03-22 | 深圳市燕麦科技股份有限公司 | Microphone sound leak test device and test method thereof |
| CN107071123A (en) * | 2017-03-24 | 2017-08-18 | 上海与德科技有限公司 | Mobile terminal sound chamber method for testing tightness and test device |
-
2017
- 2017-12-22 CN CN201711408756.XA patent/CN108260068B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100137739A1 (en) * | 2008-08-20 | 2010-06-03 | Lee Sang-Min | Method and device for hearing test |
| CN102572671A (en) * | 2010-12-20 | 2012-07-11 | 歌尔声学股份有限公司 | Test method, test tool and test system for microphone tightness |
| US20150175404A1 (en) * | 2012-09-24 | 2015-06-25 | Cirrus Logic International (Uk) Limited | Mems device and process |
| CN104135706A (en) * | 2014-07-31 | 2014-11-05 | 歌尔声学股份有限公司 | A direct pressure type gas tightness detection device and a gas tightness detection method |
| CN105372026A (en) * | 2015-10-15 | 2016-03-02 | Tcl移动通信科技（宁波）有限公司 | Air tightness detection device and method of microphone pickup structure path |
| CN106535075A (en) * | 2016-11-10 | 2017-03-22 | 深圳市燕麦科技股份有限公司 | Microphone sound leak test device and test method thereof |
| CN107071123A (en) * | 2017-03-24 | 2017-08-18 | 上海与德科技有限公司 | Mobile terminal sound chamber method for testing tightness and test device |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109275084A (en) * | 2018-09-12 | 2019-01-25 | 北京小米智能科技有限公司 | Test method, device, system, equipment and the storage medium of microphone array |
| CN110166923A (en) * | 2019-05-30 | 2019-08-23 | 厦门盈趣科技股份有限公司 | Audio frequency apparatus test macro and method |
| CN110636432A (en) * | 2019-09-29 | 2019-12-31 | 深圳市火乐科技发展有限公司 | Microphone testing method and related equipment |
| CN112714391A (en) * | 2019-10-25 | 2021-04-27 | 深圳市万普拉斯科技有限公司 | Microphone internal sealing performance testing method and device and computer equipment |
| CN112714391B (en) * | 2019-10-25 | 2022-10-21 | 深圳市万普拉斯科技有限公司 | Microphone internal sealing performance testing method and device and computer equipment |
| CN112788512A (en) * | 2019-11-01 | 2021-05-11 | 北京声智科技有限公司 | Sealing performance testing method and device and electronic equipment |
| CN112788512B (en) * | 2019-11-01 | 2022-07-29 | 北京声智科技有限公司 | Sealing performance testing method and device and electronic equipment |
| CN111432323A (en) * | 2020-04-01 | 2020-07-17 | Oppo（重庆）智能科技有限公司 | Microphone testing method and device of mobile terminal, electronic equipment and storage medium |
| CN112468951A (en) * | 2021-01-05 | 2021-03-09 | 南京三恩驰贸易有限公司 | Bluetooth headset sound insulation effect high-end test machine |
| CN112468951B (en) * | 2021-01-05 | 2022-06-03 | 东莞市森麦声学科技有限公司 | Bluetooth headset sound insulation effect high-end test machine |
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