CN205812273U - The machine shake test fixture of a kind of audio output apparatus and system - Google Patents
The machine shake test fixture of a kind of audio output apparatus and system Download PDFInfo
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- CN205812273U CN205812273U CN201620668937.0U CN201620668937U CN205812273U CN 205812273 U CN205812273 U CN 205812273U CN 201620668937 U CN201620668937 U CN 201620668937U CN 205812273 U CN205812273 U CN 205812273U
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Abstract
This utility model discloses machine shake test fixture and the system of a kind of audio output apparatus, this frock includes: gather mike, the loudspeaker gathering audio output apparatus to be tested in quiet room are play predetermined frequency sweep sound and are obtained testing audio stream, and testing audio stream is issued microprocessor；Microprocessor, obtain the one-dimension code information of the loudspeaker of unique mark audio output apparatus, testing audio stream and one-dimension code information are issued high in the clouds through communication module, make high in the clouds utilize prestore to should the qualified loudspeaker standard audio stream of one-dimension code information testing audio stream is compared after draw test result；Communication module, issues microprocessor after receiving the test result that high in the clouds returns；Microprocessor controls to output test result.This utility model is by gathering the testing audio stream of equipment to be tested, this testing audio stream is collected with high in the clouds and corresponding standard audio stream carries out contrast to judge whether that machine shakes, improve efficiency and the accuracy of machine shake test, reduce test human cost.
Description
Technical field
This utility model relates to audio output apparatus technical field of measurement and test, is specifically related to the machine shake of a kind of audio output apparatus
Test fixture and system.
Background technology
Present video outut device (such as, television set) test specification of dispatching from the factory requires television set carries out " machine shake " test.
Machine shake test, is that to judge whether TV overall structure can produce because of resonance different when test sound play by the loudspeaker in television set
A kind of test rung.
The machine shake test of prior art, is substantially judged by human subjective, having sounded test by test human ear, efficiency is low
And poor accuracy, the TV easily causing " machine shake " abnormal sound comes into the market, and affects corporate image.Therefore, one is needed badly new
Machine shake testing scheme reduce test human cost, raising machine shake testing efficiency and accuracy.
Utility model content
This utility model provides machine shake test fixture and the system of a kind of audio output apparatus, to solve the shake of existing machine
Test, testing efficiency is low, poor accuracy, tests human cost high problem.
In order to achieve the above object, the technical solution of the utility model is achieved in that
According to an aspect of the present utility model, it is provided that the machine shake test fixture of a kind of audio output apparatus, this machine shakes
Test fixture includes: microprocessor, gathers mike and communication module；
Gather mike, for gather in quiet room audio output apparatus to be tested loudspeaker play predetermined frequency sweep sound and
The testing audio stream obtained, is sent to microprocessor by the testing audio stream collected；
Microprocessor, for obtaining the one-dimension code information of unique loudspeaker identifying audio output apparatus to be tested, will test
Audio stream and one-dimension code information are sent to cloud server through communication module so that cloud server utilize prestore to should
The standard audio stream of the qualified loudspeaker of one-dimension code information draws test result after testing audio stream is carried out multilevel iudge；
Communication module, is additionally operable to receive the test result that cloud server returns, test result is sent to microprocessor；
Microprocessor, is additionally operable to control and outputs test result.
Alternatively, the quantity gathering mike is two, and two collection mikes are individually positioned in each audio frequency to be tested
The obverse and reverse of outut device, is used for gathering audio output apparatus obverse and reverse two-way testing audio stream to be tested；
Microprocessor, is flowing through testing audio before communication module is sent to cloud server, is being additionally operable to compare two-way
Testing audio stream is the most consistent, is then, wherein will be sent to cloud server by a road testing audio stream, and otherwise, controlling output should
The underproof test result of audio output apparatus to be tested.
Alternatively, this test fixture also includes: LCDs and/or loudspeaker,
Microprocessor, specifically for generating, according to test result, the Word message comprising test result and being sent to liquid crystal
Display screen, controls the Word message being comprised test result by LCDs display output；
And/or,
Microprocessor, specifically for generating, according to test result, the audio-frequency information comprising test result and being sent to loudspeaker,
Control to be play, by loudspeaker, the audio-frequency information that output comprises test result.
Alternatively, this test fixture also includes: memory module；
Microprocessor, the machine shake inputted when the test result of audio output apparatus is defective for receiving user occurs
Positional information, and set up the testing audio stream of defective audio output apparatus and the corresponding relation of machine shake generation positional information, will
Corresponding relation is sent to memory module；
Memory module, occurs with the shake of audio output apparatus machine for storing the testing audio stream of defective audio output apparatus
The corresponding relation of positional information；
Microprocessor, is additionally operable to, when the test result of follow-up audio output apparatus to be tested is defective, this be treated
The testing audio stream of testing audio outut device and the test tone of each defective audio output apparatus of storage in memory module
Frequently stream mates, if storage has what the testing audio stream with this audio output apparatus to be tested matched not conform in memory module
Lattice audio output apparatus testing audio stream, then search corresponding machine shake according to the testing audio stream of this defective audio output apparatus
There is positional information, and control output machine shake generation positional information.
Alternatively, memory module, it is additionally operable to store qualified audio output apparatus quantity and defective audio output apparatus number
Amount；
Microprocessor, is additionally operable to when the test result of audio output apparatus to be tested is defective, by memory module
The defective audio output apparatus quantity preserved adds 1, when the test result of audio output apparatus to be tested is qualified, and will storage
The qualified audio output apparatus quantity preserved in module adds 1, and according to the qualified audio output apparatus quantity of memory module storage
Calculate the qualification rate of the audio output apparatus of predetermined amount of time build-in test with defective audio output apparatus quantity, and control output
Qualification rate.
Alternatively, this machine shake test fixture also includes: test button and analog-to-digital conversion module,
Test button, for receiving the test initiation command of user's input, is sent to micro-process by this test initiation command
Device；
Microprocessor controls to gather mike after receiving test initiation command and enters duty；
Analog-to-digital conversion module, gathers, for receiving, the audio analog signals that mike sends, and by this audio analog signals
It is sent to microprocessor after being converted into audio digital signals.
According to another aspect of the present utility model, it is provided that the machine shake test system of a kind of audio output apparatus, this survey
Test system includes: the machine shake test fixture of the audio output apparatus in terms of aforementioned, and a kind of audio collection frock；
Audio collection frock, plays predetermined frequency sweep sound for the one-dimension code information and this qualified loudspeaker gathering qualified loudspeaker
And the standard audio stream obtained, this standard audio stream is sent to cloud server to be preserved, and one-dimension code information is for unique mark
Each loudspeaker；
The machine shake test fixture of audio output apparatus, obtains the one-dimension code information of the loudspeaker of audio output apparatus to be tested,
And the testing audio stream that the loudspeaker gathering audio output apparatus to be tested are play frequency sweep sound and obtained, by this testing audio stream and one
Dimension code information sends jointly to cloud server, and output cloud server utilize cloud server prestores to should one
The test result that the standard audio stream of the qualified loudspeaker of dimension code information returns after testing audio stream carries out multilevel iudge.
The beneficial effects of the utility model are: the machine shake test work of this audio output apparatus of this utility model embodiment
Dress, system and method, by obtaining the one-dimension code information of loudspeaker of audio output apparatus to be tested and to gather audio frequency to be tested defeated
Go out testing audio stream during equipment loudspeaker predetermined frequency sweep sound of broadcasting, this testing audio stream and one-dimension code information are sent jointly to cloud
End server, utilizes cloud server to prestore and corresponding standard audio stream carries out multilevel iudge, thus draw to be tested
Whether audio output apparatus exists the test result of machine shake, then exports test result to user.So, on the one hand machine is achieved
Shake test automation replaces the subjective judgment listened by artificial ear, improves testing efficiency, greatly reduces the test person of enterprise
Power cost, and avoid the impact on test result of tester's subjective factors, facilitate large-scale promotion application.On the other hand,
By utilizing the standard audio stream of a large amount of qualified loudspeaker of storage in cloud server to judge that audio output apparatus to be tested is
The no machine that exists shakes, and both ensure that test result accuracy, strong due to the disposal ability of cloud server again, so machine shake test flower
The time taken is short, and testing efficiency is improved, and greatly reduces the workload of machine shake test fixture.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the machine shake test fixture of a kind of audio output apparatus of one embodiment of this utility model；
Fig. 2 is the structural frames of the machine shake test fixture of a kind of audio output apparatus of another embodiment of this utility model
Figure；
Fig. 3 is the structured flowchart of the machine shake test system of a kind of audio output apparatus of one embodiment of this utility model；
Fig. 4 is the flow chart of the machine shake method of testing of a kind of audio output apparatus of one embodiment of this utility model.
Detailed description of the invention
Design concept of the present utility model is: main for audio output apparatus machine shake tests such as television sets in prior art
Manually ear sounds judging that the testing efficiency caused is low, the problem of poor accuracy, and this utility model embodiment proposes a kind of audio frequency
Machine shake test fixture, the system and method for outut device, it is achieved the automatization of machine shake test, at the accuracy ensureing test result
While also improve testing efficiency, save enterprise and must test human cost.
In this utility model embodiment, it is the explanation carried out as a example by audio output apparatus is as television set, it will be understood that this
The audio output apparatus of utility model technical scheme is not limited to television set, it is also possible to be other, band loudspeaker playing function can
The equipment of machine shake can be there is.
Embodiment one
Fig. 1 is the structured flowchart of the machine shake test fixture of a kind of audio output apparatus of one embodiment of this utility model,
Seeing Fig. 1, the machine shake test fixture 10 of the audio output apparatus of the present embodiment includes: microprocessor 102, gathers mike 101
With communication module 103；
Gather mike 101, play predetermined frequency sweep for gathering the loudspeaker of audio output apparatus to be tested in quiet room
Sound and the testing audio stream that obtains, be sent to microprocessor 102 by the testing audio stream collected；Wherein, predetermined frequency sweep sound can
It is at least one cycle and frequency sweep tone signal that frequency range is 20-2KHz.
Microprocessor 102, for obtaining the one-dimension code information of unique loudspeaker identifying audio output apparatus to be tested, will survey
Examination audio stream and one-dimension code information are sent to cloud server through communication module 103 so that cloud server utilization prestores
To should the standard audio stream of qualified loudspeaker of one-dimension code information testing audio stream is carried out multilevel iudge after draw test result；
Communication module 103, is additionally operable to receive the test result that cloud server returns, test result is sent to micro-process
Device 102；
Microprocessor 102, is additionally operable to control and outputs test result.
The structure of machine shake test fixture understands as shown in Figure 1, by being adopted by local machine shake test fixture in the present embodiment
Collect the testing audio stream of audio output apparatus to be tested, testing audio stream is sent to the cloud server connected, based on high in the clouds
Testing audio stream is contrasted by the big data (standard pronunciations of the most qualified loudspeaker) of server accordingly, hence it is evident that improves machine shake and surveys
The efficiency of examination and accuracy, and achieve the automatization of machine shake test, it is to avoid human subjective judges that the efficiency caused is low, accurate
Really the problem such as property difference and human cost height, facilitates large-scale promotion.
Embodiment two
Fig. 2 is the structural frames of the machine shake test fixture of a kind of audio output apparatus of another embodiment of this utility model
Figure, sees Fig. 2, and the machine of the present embodiment sound intermediate frequency outut device shake test fixture 20 includes two collection mikes, i.e. MIC1 and
MIC2.Also include microprocessor 202, communication module 203, memory module 204, test button 205, LCDs 206, loudspeaker
207 and analog-to-digital conversion module 208.
In actual test process, it is defeated that two collection mike MIC1 and MIC2 can be separately placed each audio frequency to be tested
Go out the obverse and reverse of equipment, gather audio output apparatus obverse and reverse two-way testing audio stream to be tested.
Such as, in the quiet room of TV production line, MIC1 is placed in 1 meter of the front of television screen to be tested
Place, MIC2 is placed at 1 meter of the rear of television set to be tested, and then the horn volume at television set to be tested is 60 decibels and broadcasts
Put 20～2KHZ when obtaining frequency sweep tone signal, utilize two collection mikes to gather the frequency sweep sound that the loudspeaker of television sets to be tested are play
Signal, obtains testing audio stream.
Microprocessor 202, is flowing through testing audio before communication module 203 is sent to cloud server, is being additionally operable to ratio
Relatively two-way testing audio stream is the most consistent, is then, wherein will be sent to cloud server by a road testing audio stream, and otherwise, control
Export this underproof test result of audio output apparatus to be tested.
Seeing Fig. 2, microprocessor 202 is internal includes that (First Input First Output, first enters elder generation to two FIFO
Go out) memorizer, the test acoustical signal of two collection mike collections is stored in the FIFO memory of correspondence respectively, the most micro-
The acoustical signal (i.e. two-way testing audio stream) that processor 202 compares in the two memorizer is the most consistent.It should be noted that
Here it is consistent that comparison two-way testing audio stream the most unanimously refers in admissible range of error, it is not required that two drive tests
Examination audio stream is identical.
Why two collection mikes are set, and collect two-way testing audio stream by two collection mikes and be
Because: not having machine shake structure abnormal sound under normal circumstances, the test frequency sweep sound that former and later two mikes of television set are collected is almost
Do not have differentiated.Based on this, it is only necessary to the testing audio stream simply comparing the collection of former and later two mikes the most just may be used
So that structure abnormal sound (machine shake) bigger television set is judged, and without testing audio stream is sent to cloud server, from
And save the testing time.If the result of two-way testing audio stream multilevel iudge is consistent, then microprocessor 202 can be by it
In arbitrary road testing audio stream be sent to communication module 203, communication module 203 be sent to high in the clouds.See Fig. 2, micro-process
Connected by SDIO interface between device 202 and communication module 203.SDIO interface (Secure Digital Input and
Output Card, secure digital input-output card) it is a kind of Peripheral Interface defined in SD standard.
Seeing Fig. 2, the machine shake test fixture 20 of this audio output apparatus also includes: LCDs 206 and/or loudspeaker
207, connected by rgb interface between microprocessor 202 and LCDs (Liquid Crystal Display, LCD).Its
In, LCDs 206 can use TFT-LCD (Thin Film Transistor, TFT) display screen.
Microprocessor 202, specifically for generating, according to test result, the Word message comprising test result and being sent to liquid
Crystal display screen 206, controls the Word message that LCDs 206 display output comprises test result；And/or, microprocessor
202, specifically for generating, according to test result, the audio-frequency information comprising test result and being sent to loudspeaker 207, control loudspeaker 207
Play the audio-frequency information that output comprises test result.
The effect being appreciated that LCDs 206 and loudspeaker (or claiming power amplifier) 207 is to output test result to user,
Allow users to the television set that more intuitive understanding currently tests the most qualified.
Seeing Fig. 2, the test fixture 20 of this audio output apparatus includes being arranged on the memory module outside microprocessor 202
204；Memory module 204 can be specifically Flash flash memory.
Microprocessor 202, for receiving the machine shake that user inputs when the test result of audio output apparatus is defective
There is positional information, and the testing audio stream setting up defective audio output apparatus occurs the corresponding pass of positional information with machine shake
System, is sent to memory module 204 by corresponding relation；
Memory module 204, shakes with audio output apparatus machine for storing the testing audio stream of defective audio output apparatus
There is the corresponding relation of positional information；
Microprocessor 202, is additionally operable to when the test result of follow-up audio output apparatus to be tested is defective, should
The testing audio stream of audio output apparatus to be tested and the survey of each defective audio output apparatus of storage in memory module 204
Audition frequency stream mates, if storage has the testing audio stream phase with this audio output apparatus to be tested in memory module 204
The defective audio output apparatus testing audio stream joined, then it is right to search according to the testing audio stream of this defective audio output apparatus
There is positional information in the machine shake answered, and controls output machine shake generation positional information.
It should be noted that as it has been described above, this machine shake test fixture of the present embodiment also has training learning functionality.Tool
Body, when run into have television set that " machine shake " feeds back time, notify user by LCDs and/or loudspeaker so that Yong Huneng
Enough this television set is disassembled and analyzed the position causing machine shake to occur, obtain after machine shake occurs position in analysis, can be by
The shake of this machine occurs positional information to input to microprocessor 202, and then 202 machine shakes of microprocessor occur positional information and are stored in
The bad voice flow of local Flash mate one by one set up corresponding relation after be sent to memory module 204 and preserve, the most repeatedly
Operation, has (i.e. study to) a large amount of " machine shake " sound sources and causes the information of correspondence " machine shake " position in memory module 204, follow-up
During use, once the television set of generation " machine shake " be detected again, the testing audio of the television set by current machine is shaken
Stream and locally stored bad voice flow (the testing audio stream of the television set of the generation machine shake that i.e. early stage learns) contrast, and look into
The machine shake looking for correspondence can be just which position sends " machine shake " with preliminary judgement after there is positional information.In other embodiments
Can also be by machine shake generation positional information output, as by LCD display machine shake positional information, being greatly saved fault verification and divide
The analysis time, and also will not affect the judgement of " machine shake " position because of artificial subjective change.
Here machine shake generation positional information can be the information of written form, such as written form: " the little back cover of television set
Machine shakes ", it is also possible to being the information of speech form, as included there is the language of positional information in the shake of " shake of television set little back cover machine " this machine
Tone signal, is not restricted this.
It addition, those skilled in the art it is understood that when use speech form machine shake occur positional information time, Ke Yitong
Cross the collection mike (such as MIC1 or MIC2) on machine shake test fixture and collect the machine shake generation position of tester's voice broadcast
Confidence ceases, and then this voice signal is sent to microprocessor, and such microprocessor just can set up the output of defective audio frequency
There is the corresponding relation of positional information in the testing audio stream of equipment and machine shake, and then completes machine training and study.
It follows that the machine shake test fixture of the present embodiment can obtain substantial amounts of " machine shake " by training and study and occur
The corresponding relation of the testing audio stream of position and defective television set, thus during follow-up test, meet the television set of machine shake
Time, it is possible to tentatively judge the position that machine shake occurs, save investigation and the analysis time of machine shake, there is extremely strong use value.
See Fig. 2, memory module 204 in the present embodiment, it is additionally operable to store qualified audio output apparatus quantity and defective
Audio output apparatus quantity；
Microprocessor 202, is additionally operable to when the test result of audio output apparatus to be tested is defective, by memory module
The defective audio output apparatus quantity preserved in 204 adds 1, when the test result at audio output apparatus to be tested is qualified,
The qualified audio output apparatus quantity preserved in memory module 204 is added 1, and according to the qualified audio frequency of memory module 204 storage
Outut device quantity and defective audio output apparatus quantity calculate the qualified of the audio output apparatus of predetermined amount of time build-in test
Rate, and control to export qualification rate.
Qualification rate is the data that in a television set production process, enterprise pays special attention to, this machine shake test of the present embodiment
Frock, can also be added up television set during television set carries out machine shake test and be tested and qualified quantity by machine shake,
And combine the total quantity of television set of test to calculate the qualification rate of television set, qualification rate is exported, for the production that enterprise is follow-up
Reference is provided with improvement.
Seeing Fig. 2, in the present embodiment, this machine shake test fixture 20 also includes: test button 205 and analog-to-digital conversion module
208, wherein analog-to-digital conversion module 208 is AD sampling A/D chip.
Analog-to-digital conversion module 208, gathers, for receiving, the audio analog signals that mike sends, and this audio frequency simulation is believed
It is sent to microprocessor 202 after number being converted into audio digital signals,
Test button 205, for receiving the test initiation command of user's input, is sent to micro-place by this test initiation command
Reason device 202；
Microprocessor 202 controls to gather mike (MIC1 and MIC2) and analog digital conversion after receiving test initiation command
Module 208 enters duty.
From the foregoing, it will be observed that for the judgement efficiency and the accuracy that improve machine shake test, reduce test human cost, this practicality is new
Type embodiment television set maquila set up by microprocessor, AD sampling A/D chip, LCDs, double MIC, communication module,
The composition machine shake test fixture such as key-press module, memory module, loudspeaker (power amplifier), gathers the test acoustical signal of television set to be tested
Standard voice signal when dispatching from the factory with high in the clouds collection corresponding qualified loudspeaker afterwards carries out contrasting judgement and draws test knot
Really, then test whether by liquid crystal display screen display " machine shake " or play the synthesis voice whether passed through by power amplifier,
Utilize the mass data advantage in high in the clouds, hence it is evident that improve " machine shake " testing efficiency and accuracy, and can tentatively judge " machine
Shake " generation position, greatly reduce test human cost, there is extremely strong use value.
Embodiment three
In the present embodiment, the machine shake test system of audio output apparatus is illustrated by emphasis, and other guide sees this practicality
Other novel embodiments.
Fig. 3 is the structured flowchart of the machine shake test system of a kind of audio output apparatus of one embodiment of this utility model,
Seeing Fig. 3, the machine shake test system 30 of this audio output apparatus includes: the machine shake test fixture 301 of audio output apparatus, and
A kind of audio collection frock 302；
Audio collection frock 302, plays predetermined sweeping for the one-dimension code information and this qualified loudspeaker gathering qualified loudspeaker
Frequently sound and the standard audio stream that obtains, this standard audio stream is sent to cloud server to be preserved, and one-dimension code information is for unique
Identify each loudspeaker；
The machine shake test fixture 301 of audio output apparatus, obtains the one-dimension code letter of the loudspeaker of audio output apparatus to be tested
Breath, and the testing audio stream that the loudspeaker gathering audio output apparatus to be tested are play frequency sweep sound and obtained, by this testing audio stream
Send jointly to cloud server with one-dimension code information, and output high in the clouds utilize cloud server prestores to should be one-dimensional
The test result that the standard audio stream of the qualified loudspeaker of code information returns after testing audio stream carries out multilevel iudge.
The machine shake test fixture 301 of the audio output apparatus in the present embodiment can use previous embodiment one or embodiment
The machine shake test fixture of the audio output apparatus in two, the machine below in conjunction with the audio output apparatus in embodiment two shakes test work
The detailed operation of dress explanation machine shake test fixture 301:
In quiet room, MIC1 is placed at 1 meter, the front end of television set, and MIC2 is placed at 1 meter of the rear of television set,
When television set to be tested enters quiet room, in the case of volume is 60, plays 20～2KHZ frequency sweep sounds, presses " test " and press
Key, MIC1 Yu MIC2 gather respectively frequency sweep tone signal through A/D module digitized laggard enter Micro-processor MCV, MCU is to process
After FIFO, two paths of signals contrast judges: if both gaps exceed the prescribed limit of amplitude and phase place, the most directly determine television set
Exist " machine shake ".Because the frequency sweep sound collected before and after television set under normal circumstances is almost without difference, the most not
Contrast with frequency sweep data are dealt into cloud server, saved the time of test judgement.Then control LCD and show television set
" machine shake " and/or power amplifier is had to play the synthesis voice of " defective " and underproof testing audio stream is stored local Flash
In.
If both gaps are within prescribed limit, MCU is then by 5G or wireless WiFi mode two paths of signals wherein
Riches all the way delivers to cloud server and contrasts, and owing to the disposal ability of server is strong, the correction data time is short, it is not necessary at this
Carrying out Data Comparison on ground hardware platform, this also greatly reduces the workload of local hardware.Test frequency sweep sound data stream is passed
After cloud server, cloud server searches the qualified loudspeaker identical with the one-dimension code information of television set speaker to be tested, and
Call standard audio stream and the test frequency sweep sound data stream contrast of qualified loudspeaker, if cloud server has the mark matched
Test passes information is then passed to the MCU of test fixture by quasi-audio stream by 5G mobile communications network or WiFi wireless network,
MCU controls show test passes on LCD and/or control the synthesis voice of loudspeaker broadcasting " test passes ", simultaneously one-dimension code
The quantity of information and qualified television set is saved in local Flash in case information inquiry.If in cloud server the most therewith
The standard frequency sweep sound mated within the specific limits, then pass to MCU test failure information by 5G or WiFi, MCU control
System output test failure information is to user.
Before the machine shake test fixture structure of the present embodiment sound intermediate frequency outut device and more detailed work process may refer to
State embodiment one or the explanation of embodiment two, repeat no more here.
By the system shown in Fig. 3, qualified loudspeaker can be play sound letter during predetermined frequency sweep sound by audio collection frock
Number it is sent to cloud server so that cloud server stores mass data, so, when cloud server is to receive audio frequency defeated
Go out the machine shake test fixture of equipment when sending the testing audio stream of audio output apparatus to be tested come, by cloud server
The standard audio stream corresponding with the loudspeaker one-dimension code information of audio output apparatus to be tested preserved compares with testing audio stream
Relatively, thus ensure machine shake test accuracy.It addition, after receiving testing audio stream by cloud server and draw test result
Return to the machine shake test fixture of audio output apparatus, test result can be exported to user by machine shake test fixture, due to
The disposal ability that cloud server is powerful, improves testing efficiency, reduces test human cost.
Embodiment four
Fig. 4 is the flow chart of the machine shake method of testing of a kind of audio output apparatus of one embodiment of this utility model, ginseng
Seeing Fig. 4, the machine shake method of testing of this audio output apparatus comprises the following steps that S401 is to step S404:
S401, gathers the loudspeaker of audio output apparatus to be tested in quiet room and plays predetermined frequency sweep sound and the test that obtains
Audio stream；
S402, obtains the one-dimension code information of unique loudspeaker identifying audio output apparatus to be tested, by testing audio stream with
And one-dimension code information is sent to cloud server so that cloud server utilize prestore to should the qualified loudspeaker of one-dimension code information
Standard audio stream draws test result after testing audio stream is carried out multilevel iudge；
S403, receives the test result that cloud server returns；
S404, controls to output test result.
In the present embodiment, the loudspeaker gathering audio output apparatus to be tested in quiet room of step S401 are play predetermined
Frequency sweep sound and the testing audio stream that obtains include:
Two collection mikes are individually positioned in the front of each audio output apparatus to be tested with anti-in quiet room
Face, gathers audio output apparatus loudspeaker to be tested and plays predetermined frequency sweep sound and the obverse and reverse two-way testing audio stream that obtains；
Method shown in Fig. 4 also includes: before testing audio stream is sent to cloud server, compares two-way test tone
Frequency stream is the most consistent, is then, wherein will be sent to cloud server by a road testing audio stream, otherwise, controls to export audition to be measured
Frequently the underproof test result of outut device.
In the present embodiment, step S404 controls to output test result to include:
Generate, according to test result, the Word message comprising test result and control the literary composition that display output comprises test result
Word information；And/or, generate the audio-frequency information comprising test result according to test result, control to play output and comprise test result
Audio-frequency information.
The machine shake method of testing of audio output apparatus as shown in Figure 4, it is possible to test audio frequency to be tested simply and easily defeated
Go out whether equipment produces structure abnormal sound, the most whether there is machine shake, compared with prior art, significantly improve the efficiency of machine shake test
And accuracy, save the test human cost of enterprise.
It should be understood that the machine shake method of testing of this audio output apparatus of the present embodiment is to export with aforementioned audio
The machine shake test fixture of equipment is corresponding, thus the realizing step in more detail and can join of machine shake method of testing in the present embodiment
See the explanation that in previous embodiment, the machine of audio output apparatus is shaken test fixture, repeat no more here.
In summary, this utility model embodiment is believed by the one-dimension code obtaining the loudspeaker of audio output apparatus to be tested
Cease, and acoustical signal when predetermined frequency sweep sound play by the loudspeaker gathering audio output apparatus to be tested obtains testing audio stream, so
After testing audio stream and one-dimension code information are sent to cloud server, make cloud server utilize the one-dimension code information pair that prestores
The standard audio stream of the qualified loudspeaker answered mates with the testing audio stream received, such as testing audio stream and standard audio stream one
Cause then to return audio output apparatus to be tested and there is not the test result of machine shake, then test result is exported to user.
Compared with prior art, on the one hand, play same frequency sweep owing to cloud server storing a large amount of qualified loudspeaker
Acoustical signal during sound, so the machine shake test fixture of audio output apparatus has only to gather audio output apparatus to be tested and plays
Acoustical signal and the one-dimension code information of loudspeaker during frequency sweep sound are sent to cloud server, can be by cloud server to receipts
To each testing audio stream judge, and then determine audio output apparatus to be tested whether exist machine shake, it is ensured that test
The accuracy of result.On the other hand, utilize the data-handling capacity that cloud server is powerful, also shorten the testing time, improve
Testing efficiency.And, by the technical scheme of this utility model embodiment, it is achieved that the automatization of machine shake test, it is to avoid
Human subjective judges the subjective impact to test result, instead of hand labor, is greatly saved the test human cost of enterprise.
The foregoing is only preferred embodiment of the present utility model, be not intended to limit protection model of the present utility model
Enclose.All any modification, equivalent substitution and improvement etc. made within spirit of the present utility model and principle, are all contained in this reality
With in novel protection domain.
Claims (7)
1. the machine shake test fixture of an audio output apparatus, it is characterised in that this machine shake test fixture includes: microprocessor,
Gather mike and communication module；
Described collection mike, for gather in quiet room audio output apparatus to be tested loudspeaker play predetermined frequency sweep sound and
The testing audio stream obtained, is sent to described microprocessor by the testing audio stream collected；
Described microprocessor, for obtaining the one-dimension code information of unique loudspeaker identifying audio output apparatus to be tested, by described
Testing audio stream and one-dimension code information are sent to cloud server through described communication module so that described cloud server utilizes
Prestore to should the standard audio stream of qualified loudspeaker of one-dimension code information described testing audio stream be carried out after multilevel iudge
Go out test result；
Described communication module, is additionally operable to receive the test result that described cloud server returns, described test result is sent to
Described microprocessor；
Described microprocessor, is additionally operable to control to export described test result.
Machine the most according to claim 1 shake test fixture, it is characterised in that the quantity of described collection mike is two,
Two collection mikes are individually positioned in the obverse and reverse of each audio output apparatus to be tested, are used for gathering to be tested
Audio output apparatus obverse and reverse two-way testing audio stream；
Described microprocessor, is flowing through testing audio before described communication module is sent to cloud server, is being additionally operable to compare
Two-way testing audio stream is the most consistent, is then, wherein will be sent to cloud server by a road testing audio stream, and otherwise, control defeated
Go out this underproof test result of audio output apparatus to be tested.
Machine the most according to claim 1 and 2 shake test fixture, it is characterised in that this test fixture also includes: liquid crystal display
Screen and/or loudspeaker,
Described microprocessor, specifically for generating, according to test result, the Word message comprising test result and being sent to described liquid
Crystal display screen, controls the Word message being comprised test result by the display output of described LCDs；
And/or,
Described microprocessor, specifically for generating, according to test result, the audio-frequency information comprising test result and being sent to described loudspeaker
, control to be play, by described loudspeaker, the audio-frequency information that output comprises test result.
Machine the most according to claim 3 shake test fixture, it is characterised in that this test fixture also includes: memory module；
Described microprocessor, the machine shake inputted when the test result of audio output apparatus is defective for receiving user occurs
Positional information, and set up the testing audio stream of defective audio output apparatus and the corresponding relation of machine shake generation positional information, will
Described corresponding relation is sent to described memory module；
Described memory module, occurs with the shake of audio output apparatus machine for storing the testing audio stream of defective audio output apparatus
The corresponding relation of positional information；
Described microprocessor, is additionally operable to, when the test result of follow-up audio output apparatus to be tested is defective, this be treated
The testing audio stream of testing audio outut device and the survey of each defective audio output apparatus of storage in described memory module
Audition frequency stream mates, if storage has the testing audio stream phase with this audio output apparatus to be tested in described memory module
The defective audio output apparatus testing audio stream joined, then it is right to search according to the testing audio stream of this defective audio output apparatus
There is positional information in the machine shake answered, and controls to export described machine shake generation positional information.
Machine the most according to claim 4 shake test fixture, it is characterised in that
Described memory module, is additionally operable to store qualified audio output apparatus quantity and defective audio output apparatus quantity；
Described microprocessor, is additionally operable to when the test result of audio output apparatus to be tested is defective, by memory module
The defective audio output apparatus quantity preserved adds 1, when the test result of audio output apparatus to be tested is qualified, and will storage
The qualified audio output apparatus quantity preserved in module adds 1, and according to the qualified audio output apparatus quantity of memory module storage
Calculate the qualification rate of the audio output apparatus of predetermined amount of time build-in test with defective audio output apparatus quantity, and control output
Described qualification rate.
6. shake test fixture according to the machine according to any one of claim 1-5, it is characterised in that this machine shake test fixture also wraps
Include: test button and analog-to-digital conversion module,
Described test button, for receiving the test initiation command of user's input, is sent to described micro-by this test initiation command
Processor；
Described microprocessor controls described collection mike after receiving described test initiation command and enters duty；
Described analog-to-digital conversion module, gathers, for receiving, the audio analog signals that mike sends, and by this audio analog signals
Described microprocessor it is sent to after being converted into audio digital signals.
7. the machine shake test system of an audio output apparatus, it is characterised in that this test system includes: such as claim 1-6
According to any one of the machine shake test fixture of audio output apparatus, and a kind of audio collection frock；
Described audio collection frock, plays predetermined frequency sweep sound for the one-dimension code information and this qualified loudspeaker gathering qualified loudspeaker
And the standard audio stream obtained, this standard audio stream is sent to cloud server to be preserved, and described one-dimension code information is for unique
Identify each loudspeaker；
The machine shake test fixture of described audio output apparatus, obtains the one-dimension code information of the loudspeaker of audio output apparatus to be tested,
And the testing audio stream that the loudspeaker gathering audio output apparatus to be tested are play described frequency sweep sound and obtained, by this testing audio stream
Send jointly to described cloud server with one-dimension code information, and export described cloud server and utilize in cloud server pre-
Deposit to should the standard audio stream of qualified loudspeaker of one-dimension code information described testing audio stream is carried out multilevel iudge after return
Test result.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620668937.0U CN205812273U (en) | 2016-06-28 | 2016-06-28 | The machine shake test fixture of a kind of audio output apparatus and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620668937.0U CN205812273U (en) | 2016-06-28 | 2016-06-28 | The machine shake test fixture of a kind of audio output apparatus and system |
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| CN205812273U true CN205812273U (en) | 2016-12-14 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105979260A (en) * | 2016-06-28 | 2016-09-28 | 青岛歌尔声学科技有限公司 | Machine vibration test tooling, system and method for audio output equipment |
| CN106802781A (en) * | 2016-12-23 | 2017-06-06 | 杭州电子科技大学 | A kind of multi-channel sound signal acquiring system based on ARM |
-
2016
- 2016-06-28 CN CN201620668937.0U patent/CN205812273U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105979260A (en) * | 2016-06-28 | 2016-09-28 | 青岛歌尔声学科技有限公司 | Machine vibration test tooling, system and method for audio output equipment |
| CN105979260B (en) * | 2016-06-28 | 2018-03-02 | 青岛歌尔声学科技有限公司 | A kind of machine shake test fixture of audio output apparatus, system and method |
| CN106802781A (en) * | 2016-12-23 | 2017-06-06 | 杭州电子科技大学 | A kind of multi-channel sound signal acquiring system based on ARM |
| CN106802781B (en) * | 2016-12-23 | 2020-03-20 | 杭州电子科技大学 | Multichannel sound signal collection system based on ARM |
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