CN108243382A - Abnormal sound examines auxiliary system - Google Patents
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- CN108243382A CN108243382A CN201611206827.3A CN201611206827A CN108243382A CN 108243382 A CN108243382 A CN 108243382A CN 201611206827 A CN201611206827 A CN 201611206827A CN 108243382 A CN108243382 A CN 108243382A
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- 238000012545 processing Methods 0.000 claims abstract description 36
- 238000007689 inspection Methods 0.000 claims abstract description 14
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- 238000012360 testing method Methods 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 7
- 238000001228 spectrum Methods 0.000 claims description 2
- 230000010354 integration Effects 0.000 claims 1
- 241001413866 Diaphone Species 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 10
- 238000012423 maintenance Methods 0.000 description 6
- 238000009966 trimming Methods 0.000 description 6
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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
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
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Abstract
The invention discloses a kind of abnormal sounds to examine auxiliary system, including audio acquisition module, database, display module and processing module.Audio acquisition module is capturing the audio data that vehicle is sent out in checkout procedure.Database stores the image of component of vehicle, and image of component includes part block and the selection lattice on part block.Processing module controls display module display unit image according to input signal, and processing module is when the selection lattice of image of component are selected, control display module display problem input interface, and form flag member image in generation identification label on part block, problem input interface for input diaphone frequency according to the problem of information, and processing module integrates audio data, flag member image and problem information into inspection information, and stores and examine information in database.
Description
Technical field
For the present invention about a kind of system, the abnormal sound for particularly relating to a kind of vehicle examines auxiliary system.
Background technology
With progress of the epoch, vehicle has just like become one of vehicles fairly common at present.In automobile making
Cheng Zhong generally must be directed to vehicle and carry out detailed inspection and trimming, to ensure the quality to appear on the scene.In addition, it appears on the scene in automobile
After be also required to periodically be overhauled, to maintain the security performance of automobile.
In numerous inspection projects, the abnormal sound of vehicle verifies as a highly important wherein ring.The generation of abnormal sound, typically
Caused by vehicle is abnormal, such as the situations such as fault of construction, assembly failure, material mismatch or scantling mistake.At present
In the flow that abnormal sound is examined, when reviewer has found that vehicle generates abnormal sound, problem points are typically recorded by manual type
Or only capture abnormal sound and referred to for subsequent maintenance personnel, the trimming personnel for leading to follow-up process can not definitely learn that abnormal sound generates
Position and detailed problems point, in addition to cause the difficulty in operation with it is inconvenient, be also extremely not easy if need to search in the future.
Invention content
In view of this, the present invention provides a kind of abnormal sound and examines auxiliary system, suitable for a vehicle.
In an embodiment, a kind of abnormal sound examine auxiliary system include audio acquisition module, database, display module and
Processing module.Audio acquisition module is capturing the audio data that vehicle is sent out in checkout procedure.Database stores vehicle
Body part image of component, image of component includes part block and the selection lattice on the part block.Display module is used
The problem of with display unit image and being associated with audio data input interface.Processing module controls according to input signal and shows mould
Block display unit image, and processing module, when the selection lattice of image of component are selected, control display module display problem inputs
Interface, and flag member image is formed in generation identification label on part block, problem input interface is for inputting diaphone frequently
The problem of data information, and processing module integrates audio data, flag member image and problem information are examined information into one, and stored up
It deposits and examines information in database.
Thereby, in the abnormal sound checkout procedure of vehicle, reviewer in addition to can by audio acquisition module record audio it
Outside, the position formation identification label for sending out abnormal sound can be more corresponded on image of component and inputs abnormal sound part in problem input interface
The problem of information (such as the title of abnormal sound part with abnormal sound reason) so as to examine information unification, reach and capture abnormal sound audio immediately
And visualizations are integrated so that the position of abnormal sound, problem and audio is presented, enable subsequently intuitively to recognize in trimming or inquiry
The position of abnormal sound part and corresponding problem information shorten data collecting working hour and promote working efficiency.
Description of the drawings
Fig. 1 abnormal sounds of the present invention examine the system block diagrams of auxiliary system first embodiment.
Fig. 2 is the system block diagrams that abnormal sound of the present invention examines auxiliary system second embodiment.
Fig. 3 is the inspection schematic diagram that abnormal sound of the present invention examines one embodiment of auxiliary system.
Fig. 4 is the floor map of one embodiment of audio acquisition module of the present invention.
Fig. 5 is the operation chart (one) that abnormal sound of the present invention examines one embodiment of auxiliary system.
Fig. 6 is the operation chart (two) that abnormal sound of the present invention examines one embodiment of auxiliary system.
Fig. 7 is the operation chart (three) that abnormal sound of the present invention examines one embodiment of auxiliary system.
Fig. 8 is the operation chart (four) that abnormal sound of the present invention examines one embodiment of auxiliary system.
Fig. 9 is the system block diagrams that abnormal sound of the present invention examines auxiliary system 3rd embodiment.
Figure 10 is the operation chart (five) that abnormal sound of the present invention examines one embodiment of auxiliary system.
Figure 11 is the operation chart (six) that abnormal sound of the present invention examines one embodiment of auxiliary system.
Figure 12 is the system block diagrams that abnormal sound of the present invention examines auxiliary system fourth embodiment.
Figure 13 is the display schematic diagram that the present invention examines one embodiment of information.
Wherein, reference numeral：
1 abnormal sound examines 323 road test option of auxiliary system
324 time of 2 vehicle input unit
3 body parts 325 shoot option
4 servers 326 recording option
5 electronic device, 40 processing module
10 audio acquisition module, 41 voice recognition unit
11 directional microphone, 42 audio editing unit
20 database, 50 photographing module
21 image of component, 60 playing module
22 part block, 61 audio timeline
23 choose 62 mark of lattice
24 flag member image, 70 communication module
30 display module A audio datas
31 examine interface M identification labels
32 problem input interface Q problem information
321 part input unit I image datas
322 problem input unit T examine information
3221 abnormal sound problem fields
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as a limitation of the invention.
Fig. 1 is the system block diagrams that abnormal sound of the present invention examines auxiliary system first embodiment.As shown in Figure 1, abnormal sound is examined
Auxiliary system 1 includes audio acquisition module 10, database 20, display module 30 and processing module 40.Wherein, abnormal sound is examined auxiliary
Auxiliary system 1 is the abnormal sound inspection process (such as abnormal sound inspection process before vehicle 2 dispatches from the factory or after manufacture) applied to vehicle 2.It lifts
For example, abnormal sound examines auxiliary system 1 that can be realized by an electronic device 5, such as tablet computer (as shown in Figure 3 and Figure 4), a
Personal digital assistant, notebook computer or desktop computer.For example, audio acquisition module 10, database 20 and processing mould
Block 40 may be disposed on the circuit board inside electronic device 5, and display module 30 can be the display screen or touch-control of electronic device 5
Panel.
Fig. 2 is the system block diagrams that abnormal sound of the present invention examines auxiliary system second embodiment.As shown in Fig. 2, abnormal sound is examined
Auxiliary system 1 may include a communication module 70, and wherein communication module 70 can be wired module (such as communication port) or wireless
Module (such as Anneta module, wifi module, bluetooth module or ZigBee module) is simultaneously connected to processing module 40.Processing module 40 can
Server 4 (such as far-end server or background host computer) is connected to by communication module 70, enable processing module 40 and server 4 that
This transmission data.In one embodiment, database 20 can be located in server 4, in other words, audio acquisition module 10, display mould
Block 30 and processing module 40 can be realized with electronic device 5, and may be provided at distal end to store the database 20 of mass data
Server 4 in, to reduce the storage of electronic device 5 and operational data amount.
As shown in Figure 1, in one embodiment, audio acquisition module 10 may include having radio reception wheat can wind, existed with capturing vehicle 2
The audio data A sent out in abnormal sound checkout procedure, such as the audio data A can be the recording text of WAV, MP3, ACT form
Part, and player plays can be passed through after being checked.
In one embodiment, vehicle 2 can by travel test road carry out abnormal sound inspection, such as test road can have wash
Whether clothing plate circuit face, cobblestone pavement, asphalt surface, convolution road surface etc. numerous items can with testing these road surfaces of passing through of vehicle 2
Send out abnormal sound.As shown in figure 3, during abnormal sound is examined, the hand-holdable electronic device 5 of reviewer (is herein tablet electricity
Brain), and vehicle 2 is passed through under the sound record that these road surfaces are sent out using audio acquisition module 10.In some embodiment aspects,
Vehicle 2 also can carry out abnormal sound inspection by shaking abnormal sound laboratory, with the vibration test vehicle 2 brought via different road surfaces are simulated
Whether abnormal sound can be sent out, and the hand-holdable electronic device 5 of reviewer captures the sound that vehicle 2 is sent out in inspection process.
As shown in figure 4, in one embodiment, audio acquisition module 10 may include directional microphone 11 (such as all referring to
Property, single directivity or double directing property microphone), directional microphone 11 can be external in electronic device 5, to improve audio acquisition
Clarity and effect.In some embodiment aspects, abnormal sound examine auxiliary system 1 may also comprise multiple audio acquisition modules 10 and
The different location (such as headstock, the tailstock or vehicle side) of vehicle 2 is separately mounted to, to capture the audio of 2 different location of vehicle respectively
Data A enables reviewer further to judge the generation source of abnormal sound according to the audio data A of different location.
As shown in Figure 1, in one embodiment, database 20 can be volatility memory that is built-in or being external in electronic device 5
Body or non-volatility memory, such as random access memory (RAM), read-only memory (ROM), the electronics formula of erasing can make carbon copies only
Read memory (EEPROM) etc..Database 20 stores the image of component 21 of the body part 3 of vehicle 2.For example, vehicle 2
Can have multiple body parts 3, such as headstock, engine chamber, left-hand door, right car door, chassis and instrument board (as shown in Figure 3) etc.
Deng.Database 20 stores the picture or image of these body parts 3, also that is, each image of component 21 is practical to be presented each body portions
The appearance of part 3.Particularly, image of component 21 can be the practical photograph image of body part 3 or analyze Photograph image through software
Describe the picture formed.Wherein, image of component 21 includes part block 22 and the selection lattice 23 on part block 22.
For example, if image of component 21 is the appearance images of instrument board, part block 22 can be plaque on the left side of instrument board, on right side
Plaque or air-conditioning panel etc..
As shown in Figure 1, in one embodiment, processing module 40 can be microprocessor, microcontroller, Digital Signal Processing
Device, microcomputer, central processing unit, field programming gate array, programmable logic device, stater, logic circuit, analog circuit
Or digital circuit.Processing module 40 is connected to audio acquisition module 10, database 20 and display module 30, and processing module 40
30 display unit image 21 of display module is controlled according to an input signal.For example, electronic device 5 can be installed or interior have vehicle
Application program (figure be not painted) is examined, when processing module 40 performs Vehicle inspection application program (such as reviewer chooses
Vehicle inspection application program), as shown in figure 5, display module 30 shows that one examines interface 31, interface 31 is examined to include herein
The option of multiple corresponding body parts 3, for example, the main portions option of the vehicles such as headstock, the tailstock, left-hand door, You Men, chassis 2, with
And the subrange (such as engine chamber, headstock front, headstock left side, headstock right side and preceding shelves etc.) of corresponding each main portions option
Option, reviewer can choose (such as finger presses, stylus presses or mouse clicks, below it is alleged choose all can be by above-mentioned
Mode is realized) to generate input signal, processing module 40 controls display module 30 to show phase according to input signal for above-mentioned option
Corresponding image of component 21.
In one embodiment, processing module 40 in 30 display unit image 21 of display module and choose lattice 23 be selected when
(as shown in Figure 5) controls display module 30 to show a problem input interface 32, and is marked in generating an identification on part block 22
Remember M and form a flag member image 24 (as shown in Figure 6), problem input interface 32 is for inputting the problem of diaphone frequency is according to A
Information Q.In an embodiment, it can be that preprogramming hides triggering position or an entity in one on part block 22 to choose lattice 23
Button can generate signal when selection lattice 23 are chosen and processing module 40 is driven to control 30 display problem of display module defeated
Enter interface 32.
For example, as shown in figure 5, during abnormal sound is examined, when reviewer has found have on the right side of the headstock of vehicle 2
When abnormal sound generates, the headstock option examined in interface 31 can be chosen, processing module 40 controls the corresponding vehicle of the display of display module 30
The image of component 21 of head.Then, reviewer can choose image of component 21 corresponding to the choosing on the part block 22 on the right side of headstock
Take lattice 23 (such as Fig. 5 fingers press position), you can triggering processing module 40 generates on part block 22 identification label M and formed
One flag member image 24 (as shown in fig. 6, identification label M is herein a square pattern, but also can be other patterns or mark),
And display module 30 is controlled to show a problem input interface 32 (as shown in Figure 7), for information Q the problem of input vehicle right side.
As shown in Figure 1, processing module 40 can integrate audio data A, flag member image 24 and problem information Q and be formed
One examines information T, and stores and examine information T in database 20, for inspection can be read and shown when subsequently rebuilding or inquiring
Certification of registered capital news T, as shown in figure 13, examines information T that can show flag member image 24, problem information Q (such as vehicle, license number, problem
Deng) and audio data A, understood with the identification label M by flag member image 24 and intuitively learn the institute of abnormal sound part
In position, the corresponding problem information Q of abnormal sound part and abnormal sound audio data A is played, abnormal sound money can be captured immediately by reaching
It interrogates and integrates visualizations so that the position of abnormal sound, problem and audio is presented, make maintenance process more convenient with quick, and energy
Complete 2 abnormal sound of vehicle of construction examines resume, for subsequent query or use for statistical analysis.
Schema is further coordinated to describe the problem the input flow of information Q below.As shown in fig. 7, in one embodiment, when
The 23 verified personnel of selection lattice of image of component 21 (correspond to as shown in figure 5, reviewer chooses on the right side of headstock after choosing
Selection lattice 23 on part block 22), processing module 40 controls 30 display problem input interface 32 of display module, wherein problem
Input interface 32 includes a part input unit 321 and a problem input unit 322.Wherein part input unit 321 is for input
One abnormal sound part of corresponding part block 22, such as part input unit 321 may include multiple abnormal sound part options, such as correspond to
The options such as plaque, right side A columns and right side air-out mouth under plaque, right side on the right side of vehicle right side, when reviewer's judgement is
When abnormal sound occurs for plaque on right side, you can choose the option of the upper plaque in right side to input the abnormal sound part of corresponding part block 22.
Again as shown in fig. 7, in one embodiment, problem input interface 32 may include a time input unit 324, to supply
Enter the time point that audio data A is captured.Here, time input unit 324 is an input field, so that reviewer is voluntarily defeated
Enter to capture the date and time of audio data A, make subsequent query or service personnel can each audio data A of apparent acquirement when
Between.
As shown in figure 8, in one embodiment, problem input unit 322 is to for inputting the one of selected abnormal sound part
Abnormal sound problem.For example, problem input unit 322 may include multiple abnormal sound problem options, different mail topic option is corresponding above-mentioned
The problem of selected abnormal sound part (such as different part in figure, ring, assemble the problems such as bad, deformation option), if examining
It is to ring caused abnormal sound that personnel, which judge, you can chooses the option that rings to input abnormal sound problem.Problem information Q includes above-mentioned
Reviewer selected by abnormal sound part and abnormal sound problem, reach the advantages of problem information Q is unitized.
As shown in figure 8, in one embodiment, problem input unit 322 may also comprise abnormal sound problem field 3221, for
Reviewer's selection voluntarily inputs the problem of abnormal sound part.If for example, different mail topic option of each problem input unit 322
In without the problem of corresponding abnormal sound part when, reviewer may be selected voluntarily to input in abnormal sound problem field 3221.
Again as illustrated in figs. 7 and 8, in one embodiment, problem input interface 32 may include corresponding to audio acquisition module
10 recording option 326, recording option 326 are chosen for reviewer, and vehicle 2 is captured different to start audio acquisition module 10
The audio data A sent out in sound checkout procedure.For example, during abnormal sound is examined, when reviewer has found vehicle 2
Headstock on the right side of when having abnormal sound generation, also can first choose the headstock option examined in interface 31, then choose image of component 21 and correspond to
The selection lattice 23 on part block 22 on the right side of headstock are to enter problem input interface 32, after problem input interface 32 is entered
Recording option 326 is just chosen, abnormal sound is captured to start audio acquisition module 10.
Fig. 9 is the system block diagrams that abnormal sound of the present invention examines auxiliary system 3rd embodiment.As shown in figure 9, abnormal sound is examined
Auxiliary system 1 further includes a photographing module 50, to capture the image data I of corresponding audio data A, for example, camera shooting mould
Block 50 can be the taking lens being arranged on electronic device 5, processing module 40 can integrate audio data A, flag member image 24,
Problem information Q and image data I and formed and examine information T.As shown in Figure 10, in one embodiment, problem input interface 32
Include the shooting option 325 of corresponding photographing module 50, shooting option 325 is chosen for reviewer, to start photographing module 50
Shoot abnormal sound part (herein to shoot 2 right side plaque of vehicle).Thereby, subsequently trimming or personnel query can further watch abnormal sound
The practical image of part helps speed up the follow-up flow rebuild or record.
As shown in figure 11, in one embodiment, problem input interface 32 may include that multichannel tries option 323, for choosing sound
Frequency may include the various roads corresponding to test road according to the test segment information corresponding to A, such as multiple road test options 323
Face option (such as rudimentary pipe, asphalt road, road paved with oval stones and 8 words convolution option), so that reviewer chooses recording audio number
During according to A, road surface kenel that vehicle 2 is travelled (being to choose the convolution of 8 words herein) makes problem information Q include test segment information.By
This, the reason of follow-up trimming or personnel query can further occur according to test segment information analysis abnormal sound.
Figure 12 is the system block diagrams that abnormal sound of the present invention examines auxiliary system fourth embodiment.As shown in figure 12, mould is handled
Block 40 may include a voice recognition unit 41, and voice recognition unit 41 can compare an identification frequency of audio data A and factory default
It composes and selectively exports abnormal sound prompt message.For example, in abnormal sound checkout procedure, if reviewer is captured by audio
When the audio data A that module 10 captures does not meet preset identification frequency spectrum, voice recognition unit 41 can output character or sound
Prompt message to remind the sound that the current vehicle 2 of reviewer is sent out as abnormal sound, reaches and strengthens the accuracy that abnormal sound is examined.
Again as shown in figure 12, in one embodiment, processing module 40 includes audio editing unit 42, audio editing unit
42 can according to the input of reviewer with recording audio according to the abnormal sound time point in A.As an example it is assumed that audio data A is
The length recording file of 4 minutes, reviewer can be set the time point that abnormal sound occurs by audio editing unit 42 and (such as set
The 15th second of audio data A with the 1st point 45 seconds be abnormal sound time point).Thereby, as shown in figure 13, examine information T that can show sound
Frequency enables subsequent maintenance personnel quickly to grasp abnormal sound time of origin and accelerate maintenance flow according to the abnormal sound time point of A.
For another example shown in Figure 12 and Figure 13, in one embodiment, abnormal sound examines auxiliary system 1 to may include a playing module 60,
Database 20 is connected to, makes subsequent maintenance personnel can be by 60 playing audio-fequency data A of playing module.As shown in figure 13, wherein broadcasting
Amplification module 60 includes audio timeline 61, and audio timeline 61 can show (the mark note of mark 62 at corresponding abnormal sound time point
Numbers 62 be herein a circular pattern, but also can be other patterns or mark), make subsequent maintenance or personnel query can clear, intuition
It learns abnormal sound time of origin and further accelerates repair or analysis process in ground.
To sum up, in the abnormal sound checkout procedure of vehicle 2, reviewer by audio acquisition module 10 in addition to that can record audio
Except, the position formation identification label M for sending out abnormal sound can be more corresponded on image of component 21 and is inputted in problem input interface 32
The problem of abnormal sound part information (such as title of abnormal sound part and abnormal sound reason) is so that inspection information unification, reaches instant acquisition
Abnormal sound audio simultaneously integrates visualizations so that the position of abnormal sound, problem and audio is presented, and enables straight subsequently in trimming or inquiry
Feel the position of ground identification abnormal sound part and corresponding problem information, shorten data collecting working hour and promote working efficiency.
Although the technology contents of the present invention are disclosed above with preferred embodiment, however, it is not to limit the invention,
It is any to be familiar with this those skilled in the art, the spirit for not departing from the present invention make it is a little change and retouch, should all be covered by of the invention
In scope, therefore protection scope of the present invention should be defined by the scope of the appended claims.
Claims (10)
1. a kind of abnormal sound examines auxiliary system, which is characterized in that is applicable in a vehicle, which includes a body part, the abnormal sound
Auxiliary system is examined to include：
One audio acquisition module, to capture the audio data that the vehicle is sent out in checkout procedure；
One database, stores an image of component of the body part, which includes a part block with being located at the part
One on block chooses lattice；
One display module, to show the image of component and be associated with a problem input interface of the audio data；And
One processing module, is connected to the audio acquisition module, the database and the display module, and the processing module is defeated according to one
Entering signal controls the display module to show the image of component, and the processing module is selected in the selection lattice of the image of component
When, the display module is controlled to show the problem input interface, and a mark is formed in one identification label of generation on the part block
Remember image of component, which corresponds to a problem information of the audio data for input, and processing module integration should
Audio data, the flag member image and the problem information examine information into one, and store the inspection information in the database
In.
2. abnormal sound according to claim 1 examines auxiliary system, which is characterized in that the audio acquisition module includes one and is directed toward
Property microphone, the directional microphone are external in an electronic device or are set to the vehicle different location.
3. abnormal sound according to claim 1 examines auxiliary system, which is characterized in that a photographing module is further included, to pick
An image data of the corresponding audio data is taken, which includes the image data.
4. abnormal sound according to claim 1 examines auxiliary system, which is characterized in that the problem input interface includes a part
Input unit and a problem input unit, for an abnormal sound part of the corresponding part block of input, this is asked the part input unit
An abnormal sound problem of the input unit for the selected abnormal sound part of input is inscribed, it is different with this which includes the abnormal sound part
Mail is inscribed.
5. abnormal sound according to claim 1 examines auxiliary system, which is characterized in that the problem input interface includes at least one
Road test option, for choosing the test segment information corresponding to the audio data, which provides including the test segment
News.
6. abnormal sound according to claim 1 examines auxiliary system, which is characterized in that the problem input interface includes the time
Input unit, for inputting the time point that the audio data is captured.
7. abnormal sound according to claim 1 examines auxiliary system, which is characterized in that the processing module includes a voice recognition
Unit, the voice recognition unit compare the audio data and an identification frequency spectrum and selectively export an abnormal sound prompt message.
8. abnormal sound according to claim 1 examines auxiliary system, which is characterized in that the processing module includes an audio editing
Unit, the audio editing unit input to record the abnormal sound time point in the audio data according to one.
9. abnormal sound according to claim 8 examines auxiliary system, which is characterized in that further includes a playing module, is connected to
The database is to play the audio data, which includes an audio timeline, and it is different that audio timeline display corresponds to this
One mark at sound time point.
10. abnormal sound according to claim 1 examines auxiliary system, which is characterized in that further includes a communication module, the communication
Module is connected to a server, which is located in the server.
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| CN111083626A (en) * | 2019-12-16 | 2020-04-28 | 歌尔股份有限公司 | Method, equipment and system for testing radio frequency interference resistance of microphone |
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| CN102117507A (en) * | 2009-12-30 | 2011-07-06 | 比亚迪股份有限公司 | Automobile abnormal sound recording device |
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| CN104346752A (en) * | 2014-10-20 | 2015-02-11 | 中进汽贸（天津）进口汽车贸易有限公司 | Method for recording vehicle damage inspection results |
| CN105387930A (en) * | 2015-10-30 | 2016-03-09 | 芜湖恒隆汽车转向系统有限公司 | Steering gear abnormal sound detection method |
| CN205829998U (en) * | 2016-07-12 | 2016-12-21 | 江门职业技术学院 | A kind of abnormal sound positioner |
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| CN107123177A (en) * | 2016-02-24 | 2017-09-01 | 裕隆汽车制造股份有限公司 | Car inspection and repair accessory system |
| CN111083626A (en) * | 2019-12-16 | 2020-04-28 | 歌尔股份有限公司 | Method, equipment and system for testing radio frequency interference resistance of microphone |
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