CN105372026B - A kind of air-tightness detection device and its method of microphone pickup structural path - Google Patents
A kind of air-tightness detection device and its method of microphone pickup structural path Download PDFInfo
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- CN105372026B CN105372026B CN201510664405.XA CN201510664405A CN105372026B CN 105372026 B CN105372026 B CN 105372026B CN 201510664405 A CN201510664405 A CN 201510664405A CN 105372026 B CN105372026 B CN 105372026B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/40—Investigating fluid-tightness of structures by using electric means, e.g. by observing electric discharges
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Abstract
The invention discloses a kind of air-tightness detection device and its method of microphone pickup structural path, air-tightness detection device includes detection module, pickup module, channel module and playback module；The detection module shows detection interface when starting, the break-make of model selection and control access module is detected according to the control button on detection interface；When into air-leakage test pattern, the voice signal of pickup module acquisition user is simultaneously converted into electric signal, is transferred to playback module by the channel module of conducting, the playback module receives the electric signal and plays；Channel module is according to the quality that the presence or absence of electric signal is recognizable air-tightness；To realize the basic detection to microphone pickup structural path, it is ensured that good call tone quality.
Description
Technical field
The present invention relates to technical field of mobile terminals more particularly to a kind of air-tightness of microphone pickup structural path
Detection device and its method.
Background technology
Currently, although the R&D direction of intelligent machine is tended to increase more new functions and intelligentized control method, but to tradition
The concern of function --- call tone quality is never reduced, or even increasingly stringent.Existing many platforms both provide each of more preferable performance
Algorithm is planted to improve call tone quality, but it is higher to the hermetic seal design requirement of microphone pickup structural path.Lead on intelligent machine
It is normally opened that there are one apertures to be used to pick up the sound of user, after sound enters from the hole and it is indirect received by transmitter, but pass through
Cross a structural environment, such as casing, holder, rub etc., this structural environment is referred to as the pickup structural path of microphone.
The audio algorithm that most of intelligent machines import now is more demanding to the air-tightness of the pickup structural path.Air-tightness
It is designed, coordinates the audio algorithm debugged, sound quality that can be obviously improved；On the contrary, if air-tightness is poor, sound can be caused
Frequency algorithm operation irregularity generates side effect or even reaction to call tone quality instead.Therefore the air-tightness inspection of pickup structural path
It surveys particularly important.
The detection of air-tightness is substantially and carries out a small number of tests in development phase in the industry at present.It is produced to factory mass
When, due to the relationship of equipment and manpower, air-leakage test method feasibility when introducing research and development is extremely low, and most manufacturers all do not have
In this ring of producing line importing air-leakage test, this undoubtedly increases the risk that the bad intelligent machine of sound quality comes into the market.
Thus the prior art could be improved and improve.
Invention content
Place in view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of microphone pickup structural paths
Air-tightness detection device and its method, with solve existing producing line not to microphone pickup structural path carry out air-leakage test
The problem of.
The technical proposal for solving the technical problem of the invention is as follows：
A kind of air-tightness detection device of microphone pickup structural path comprising detection module, pickup module, access mould
Block and playback module；
The detection module shows detection interface when starting, pattern choosing is detected according to the control button on detection interface
Select the break-make with control access module；When into air-leakage test pattern, pickup module acquires the voice signal of user and conversion
At electric signal, playback module is transferred to by the channel module of conducting, the playback module receives the electric signal and plays；It is logical
Road module identifies the quality of air-tightness according to the presence or absence of electric signal.
In the air-tightness detection device of the microphone pickup structural path, the control button include selection key,
Start button and stops key；
When selection key is pressed, switch between microphone detection pattern and air-tightness detection pattern；
When beginning button is pressed, detection module sends out the module conducting of open signal control access, by the defeated of pickup module
The input terminal of outlet and playback module connects；
It stops key when being pressed, detection module sends out shutdown signal control access module and disconnects, by the defeated of pickup module
The input terminal of outlet and playback module disconnects.
In the air-tightness detection device of the microphone pickup structural path, the pickup module includes microphone, is used
In the voice signal for acquiring user and electric signal output is converted into channel module.
In the air-tightness detection device of the microphone pickup structural path, the playback module includes receiver, is used
Electric signal in receiving path module transfer and broadcasting.
In the air-tightness detection device of the microphone pickup structural path, under air-leakage test pattern, work as pickup
When the sound inlet of module is plugged；
If channel module detects electric signal in preset time, identify that air-tightness is poor；If not detecting telecommunications
Number then identify that air-tightness is preferable.
In the air-tightness detection device of the microphone pickup structural path, when closing detection interface, detection module is defeated
Go out shutdown signal control access module to disconnect, detection module is automatically closed later.
A kind of air-tightness detection method of air-tightness detection device using the microphone pickup structural path, packet
It includes：
A, detection interface is shown when detection module starts, and model selection is detected according to the control button on detection interface
With the break-make of control access module；
When B, into air-leakage test pattern, the voice signal of pickup module acquisition user is simultaneously converted into electric signal, passes through
The channel module of conducting is transferred to playback module；Playback module receives the electric signal and plays；
C, channel module identifies the quality of air-tightness according to the presence or absence of electric signal.
In the air-tightness detection method, the step A is specifically included：
A1, startup detection module, one display detection interface of detection module pop-up are instructed according to the detection of input；According to selection
The down state of button enters microphone detection pattern or air-leakage test pattern；
When beginning button on A2, detection interface is pressed, detection module sends out the module conducting of open signal control access,
The output end of pickup module and the input terminal of playback module are connected；
When stopping key on A3, detection interface is pressed, detection module sends out shutdown signal control access module and disconnects,
The input terminal of the output end of pickup module and playback module is disconnected.
In the air-tightness detection method, in the step C, if channel module detects telecommunications in preset time
Number, then identify that air-tightness is poor；Identify that air-tightness is preferable if not detecting electric signal.
In the air-tightness detection method, after the step C, further include：
When D, closing detection interface, detection module exports shutdown signal control access module and disconnects, later detection module from
It is dynamic to close.
Compared to the prior art, the air-tightness detection device of microphone pickup structural path provided by the invention and its side
Method, detection module show detection interface when starting, model selection and control are detected according to the control button on detection interface
The break-make of channel module；When into air-leakage test pattern, the voice signal of pickup module acquisition user is simultaneously converted into electric signal,
It is transferred to playback module by the channel module of conducting, the playback module receives the electric signal and plays；Channel module root
It is the quality of recognizable air-tightness according to the presence or absence of electric signal；To realize the basic detection to microphone pickup structural path,
Ensure good call tone quality.
Description of the drawings
Fig. 1 is the schematic diagram of air-leakage test dress Application Example provided by the invention.
Fig. 2 is the air-tightness detection method stream of the air-tightness detection device of microphone pickup structural path provided by the invention
Cheng Tu.
Specific implementation mode
The present invention provides a kind of air-tightness detection device and its method of microphone pickup structural path, is primarily adapted for use in shifting
Dynamic terminal, is also applied for other equipment with microphone pickup structural path；It can be achieved to microphone pickup structural path
Basic detection, it is ensured that good call tone quality.To make the objectives, technical solutions, and advantages of the present invention clearer and more explicit, below
Developing simultaneously with reference to attached drawing, the present invention is described in more detail for embodiment.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
Referring to Fig. 1, the air-tightness detection device setting of microphone pickup structural path provided by the invention is mobile whole
In end comprising detection module 10, pickup module 20, channel module 30 and playback module 40.When the detection module 10 starts
Display detection interface, user are detected the logical of model selection and control access module 30 according to the control button on detection interface
It is disconnected.When into air-leakage test pattern, pickup module 20 acquires the voice signal of user and is converted into electric signal, by access mould
Block 30 is transferred to playback module 40.The playback module 40 receives the electric signal and plays.Channel module is according to electric signal
The presence or absence of i.e. recognizable air-tightness quality, and feed back testing result to detecting interface display.
It is mounted with to detect application accordingly in the mobile terminal, when needing to carry out air-leakage test, user opens this and answers
With and input detection instruction, detection instruction type it is unlimited, can be letter, character, number or three arbitrary combination.The detection refers to
It enables and starts the detection module 10（It does not power to it usually, when startup powers to it, to save energy consumption）Make it into work shape
State.Detection module 10 first pops up display detection interface after starting, detection interface form is unlimited.It is useful on the detection interface
The selection key of model selection（Microphone detection pattern and air-tightness detection pattern can be respectively enterd）, there is prompt user to start to examine
The beginning button of survey, and stop stopping key for detection.When it is implemented, can also be arranged on detection interface for inputting detection knot
Fruit（Such as OK, NOK or PASS, FAIL）Input frame, with facilitate understand the mobile terminal testing result.
When selection key is pressed, switch between microphone detection pattern and air-tightness detection pattern.In the present embodiment,
First show that microphone detection pattern, user click selection key and then automatically switch to air-leakage test mould on system default when machine
Formula, then click primary and switch back into microphone detection pattern.
User selects to start button, then detection module 10 sends out corresponding open signal（High level is effective）Control access mould
Block 30 is connected.If selection stops key, detection module 10 sends out corresponding shutdown signal（Low level is effective）Control access mould
Block 30 disconnects.When it is implemented, the on off operating mode of channel module 30 is may also display on detection interface, to facilitate user to see whether
It has been turned on or disconnects, prompt user can start to detect when conducting.
In the present embodiment, the pickup module 20 includes microphone, can perceive the input of air-flow when user speaks, that is, obtain
The voice signal for taking family is converted into corresponding electric signal output.The channel module 30 may be provided on the DSP of mobile terminal
Or be independently arranged, the output for stating pickup module 20 can be carried to the input terminal of playback module 40, i.e., by pickup mould when being connected
The output end of block 20 is connect with the input terminal of playback module 40.Pickup module 20 and playback mould are disconnected when channel module 30 disconnects
Block 40 connects.The playback module 40 includes a receiver, and such as receiver is used for the electric signal of the transmission of receiving path module 30 simultaneously
It is played back.
When user selects to carry out microphone detection, clicks beginning button and start to detect, sound inlet of the user against microphone
It blows or speaks, the voice signal of microphone acquisition user is simultaneously converted into electric signal.Channel module 30 has been connected at this time, microphone
The electric signal of output is transferred directly to receiver.Receiver plays sound according to the electric signal.User can hear that receiver is sent out
Go out sound and then illustrate that microphone function is normal, if being unable to acoustic illustrates microphone possible breakdown.
In order to avoid ambient noise influence user's listening, can also by the channel module having according to electric signal
Quality without identification microphone.Specially：Channel module detects in preset time identifies that microphone is normal when having electric signal, and
The detection interface display that recognition result is fed back to detection module, such as MIC OK.If under microphone detection pattern, channel module
Electric signal is not detected in preset time, then identifies microphone exception, and recognition result is fed back to the inspection of detection module
Interface display is surveyed, such as MIC NOK.Herein setting preset time be based on user click start button after, may not be right immediately
Microphone is blown.
Under the premise of microphone works normally, user can further carry out the air-tightness inspection of microphone pickup structural path
It surveys.User switches to air-leakage test pattern by selection key, click after starting button by the output end of pickup module with return
The input terminal of amplification module connects.User blocks the sound inlet of the microphone on casing with hand, then speaks or blow against the sound inlet
Gas.If air-tightness is good, sound inlet is plugged rear sound biography and does not enter, then microphone does not acquire voice signal, no electric signal
Output, then receiver voiceless sound is sent out.User does not hear the sound of oneself at receiver end, judges that air-tightness is good, can be defeated
Enter and inputs testing result, such as OK in frame.
If poor air-tightness, microphone pickup structural path is other than sound inlet, gap everywhere also on mobile phone, sound from into
Sound hole biography is not entered, but sound can pierce the inner cavity of microphone from other gaps, and microphone can still pick up sound（Possible ratio
It is weaker, but can also be converted into the lower voltage signal of voltage value）, receiver comes out acoustic playback after receiving electric signal, in this way
In the case where blocking sound inlet, user passes through receiver acoustic, you can is judged as that air-tightness is poor.It can be at detection interface
Upper input testing result, such as NOK.
In order to avoid ambient noise influence user's listening, also can by the channel module having according to electric signal
Quality without identification air-tightness.If channel module has detected electric signal in preset time, identify that air-tightness is poor；No
Detect that electric signal then identifies that air-tightness is preferable.The detection interface that recognition result is directly fed back to detection module by channel module is shown
Show, such as OK or NOK, user need to only confirm the result.
It is to be appreciated that when detecting interface closing, detection module 10 exports low level shutdown signal control access
Module 30 disconnects, and detection module 10 is automatically closed later.Mobile terminal in this way is when exiting detection, between microphone and receiver
It is connectionless, normal telephone operation can be carried out.
Based on the air-tightness detection device of above-mentioned microphone pickup structural path, the present invention also provides a kind of microphones to pick up
The air-tightness detection method of the air-tightness detection device of sound structural path, also referring to Fig. 2, the air-tightness detection method packet
It includes：
S100, detection module show detection interface when starting, pattern is detected according to the control button on detection interface
The break-make of selection and control access module；
S200, into air-leakage test pattern when, pickup module acquisition user voice signal simultaneously be converted into electric signal, lead to
The channel module for crossing conducting is transferred to playback module；Playback module receives the electric signal and plays；
S300, channel module identify the quality of air-tightness according to the presence or absence of electric signal.
The step S100 is specifically included：
Step 101 instructs startup detection module, one display detection interface of detection module pop-up according to the detection of input；Root
Enter microphone detection pattern or air-leakage test pattern according to the down state of selection key；
When beginning button in step 102, detection interface is pressed, detection module sends out open signal control access module
Conducting connects the output end of pickup module and the input terminal of playback module；
When stopping key in step 103, detection interface is pressed, detection module sends out shutdown signal control access module
It disconnects, the input terminal of the output end of pickup module and playback module is disconnected.Specifically refer to above-described embodiment.
In the step S300, if channel module detects electric signal in preset time, identify that air-tightness is poor；
Do not detect that electric signal then identifies that air-tightness is preferable.
After the step S300, further include：
When S400, closing detection interface, detection module exports shutdown signal control access module and disconnects, later detection module
It is automatically closed.
In conclusion the air-tightness detection device and its method of the microphone pickup structural path of the present invention, are blocking wheat
It is spoken or is blown after the sound inlet of gram wind, can according to receiver, whether sounding artificially judges the quality of air-tightness, also can be by
The presence or absence of electric signal that channel module is converted into according to voice signal identifies the quality of air-tightness.Without additional profession detection
Equipment, producing line worker increase a detection operation, and user also can voluntarily detect, you can the quality for identifying air-tightness reduces production
The outflow of line risk product, improves the qualification rate of mobile terminal sound quality；The basis for estimation of sound quality failure can also be provided to the user；Its
Simple in structure, cost is less, has certain application prospect.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, all these modifications and variations should all belong to the guarantor of appended claims of the present invention
Protect range.
Claims (9)
1. a kind of air-tightness detection device of microphone pickup structural path, which is characterized in that including detection module, pickup mould
Block, channel module and playback module；
The detection module show detection interface when starting, according to the control button on detection interface be detected model selection with
The break-make of control access module；When into air-leakage test pattern, the voice signal of pickup module acquisition user is simultaneously converted into electricity
Signal is transferred to playback module by the channel module of conducting, and the playback module receives the electric signal and plays；Access mould
Root tuber identifies the quality of air-tightness according to the presence or absence of electric signal；
Under air-leakage test pattern, when the sound inlet of pickup module is plugged；
If channel module detects electric signal in preset time, identify that air-tightness is poor；If not detecting electric signal
Identify that air-tightness is preferable；Recognition result is fed back to the detection interface display of detection module；
Without additional professional detection device, can voluntarily detect.
2. the air-tightness detection device of microphone pickup structural path according to claim 1, which is characterized in that the control
Button processed includes selection key, starts button and stop key；
When selection key is pressed, switch between microphone detection pattern and air-tightness detection pattern；
When beginning button is pressed, detection module sends out the module conducting of open signal control access, by the output end of pickup module
It is connect with the input terminal of playback module；
It stops key when being pressed, detection module sends out shutdown signal control access module and disconnects, by the output end of pickup module
It is disconnected with the input terminal of playback module.
3. the air-tightness detection device of microphone pickup structural path according to claim 1, which is characterized in that described to pick up
Sound module includes microphone, and the voice signal for acquiring user is simultaneously converted into electric signal output to channel module.
4. the air-tightness detection device of microphone pickup structural path according to claim 1, which is characterized in that described time
Amplification module includes receiver, the electric signal for receiving path module transfer and broadcasting.
5. the air-tightness detection device of microphone pickup structural path according to claim 1, which is characterized in that close inspection
When surveying interface, detection module exports shutdown signal control access module and disconnects, and detection module is automatically closed later.
6. a kind of air-leakage test side of air-tightness detection device using microphone pickup structural path described in claim 1
Method, which is characterized in that including：
A, detection interface is shown when detection module starts, and model selection and control are detected according to the control button on detection interface
The break-make of channel module processed；
When B, into air-leakage test pattern, the voice signal of pickup module acquisition user is simultaneously converted into electric signal, passes through conducting
Channel module be transferred to playback module；Playback module receives the electric signal and plays；
C, channel module identifies the quality of air-tightness according to the presence or absence of electric signal.
7. air-tightness detection method according to claim 6, which is characterized in that the step A is specifically included：
A1, startup detection module, one display detection interface of detection module pop-up are instructed according to the detection of input；According to selection key
Down state enter microphone detection pattern or air-leakage test pattern；
When beginning button on A2, detection interface is pressed, detection module sends out the module conducting of open signal control access, will pick up
The output end of sound module and the input terminal of playback module connect；
When stopping key on A3, detection interface is pressed, detection module sends out shutdown signal control access module and disconnects, and will pick up
The output end of sound module and the input terminal of playback module disconnect.
8. air-tightness detection method according to claim 6, which is characterized in that in the step C, if channel module exists
Electric signal is detected in preset time, then identifies that air-tightness is poor；Identify that air-tightness is preferable if not detecting electric signal.
9. air-tightness detection method according to claim 6, which is characterized in that after the step C, further include：
When D, closing detection interface, detection module exports shutdown signal control access module and disconnects, and detection module closes automatically later
It closes.
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Families Citing this family (9)
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| CN106303886B (en) * | 2016-10-19 | 2019-05-17 | 深圳倍声声学技术有限公司 | A kind of performing leak test system of moving-iron receiver |
| JP7053855B2 (en) | 2017-09-27 | 2022-04-12 | アップル インコーポレイテッド | Spatial audio navigation |
| CN107835482A (en) * | 2017-10-17 | 2018-03-23 | 广东欧珀移动通信有限公司 | Detection method, device and the electronic equipment of sound leakage rate |
| CN108076199B (en) * | 2017-11-30 | 2020-10-09 | 北京小米移动软件有限公司 | Method and device for detecting air tightness of microphone |
| CN108260068B (en) * | 2017-12-22 | 2020-05-29 | 歌尔股份有限公司 | Microphone sealing performance testing method and device |
| FR3080915B1 (en) * | 2018-05-02 | 2020-05-08 | Pfeiffer Vacuum | LEAK DETECTION MODULE AND METHOD FOR CHECKING THE SEALING OF AN OBJECT TO BE TESTED BY TRACER GAS |
| CN109151145B (en) * | 2018-09-07 | 2021-03-02 | 深圳市万普拉斯科技有限公司 | Audio channel detection method and device |
| CN111432323B (en) * | 2020-04-01 | 2022-06-21 | Oppo（重庆）智能科技有限公司 | Microphone testing method and device of mobile terminal, electronic equipment and storage medium |
| CN115655597B (en) * | 2022-12-13 | 2023-04-14 | 杭州兆华电子股份有限公司 | Air tightness detection system and method for microphone |
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Effective date of registration: 20201026 Address after: 6 building, No. 999, Lane 315100, sailing Road, hi tech Zone, Zhejiang, Ningbo, 5 Patentee after: TCL COMMUNICATION (NINGBO) Co.,Ltd. Address before: 10 building, No. 999, Lane 5, sailing Road, Ningbo hi tech Zone, Zhejiang, Ningbo, 315100 Patentee before: TCL mobile communication technology (Ningbo) Co.,Ltd. |
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