CN105979255A - Audio acquisition tooling, method and cloud server - Google Patents
Audio acquisition tooling, method and cloud server Download PDFInfo
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- CN105979255A CN105979255A CN201610495765.6A CN201610495765A CN105979255A CN 105979255 A CN105979255 A CN 105979255A CN 201610495765 A CN201610495765 A CN 201610495765A CN 105979255 A CN105979255 A CN 105979255A
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- loudspeaker
- qualified
- audio
- factory
- dispatched
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/004—Diagnosis, testing or measuring for television systems or their details for digital television systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/4424—Monitoring of the internal components or processes of the client device, e.g. CPU or memory load, processing speed, timer, counter or percentage of the hard disk space used
Abstract
The invention discloses an audio acquisition tooling, a method and a cloud server. The tooling comprises an identification scanning unit, an audio acquisition microphone, a micro-control unit and a communication unit, wherein the identification scanning unit is used for scanning one-dimensional code information uniquely for identifying a loudspeaker carried on each loudspeaker to be delivered; the one-dimensional code information is sent to the micro-control unit; the audio acquisition microphone is used for acquiring a sound signal of each loudspeaker to be delivered while pre-determined frequency sweeping sound is played in a quiet room; the micro-control unit compares the sound signal with a standard frequency sweeping sound signal stored in a storage unit; if not same, the loudspeaker to be delivered is not qualified; otherwise, the loudspeaker to be delivered is qualified; and the sound signal and the one-dimensional code information of the qualified loudspeaker are sent to a cloud side through the communication unit, such that the cloud side stores the sound signal as a standard audio flow. According to the audio acquisition tooling, the method and the cloud server disclosed by the invention, whether the loudspeaker is qualified or not is determined by acquisition of the sound signal of the loudspeaker; when the loudspeaker is qualified, the sound signal of the qualified loudspeaker is sent to the cloud side, such that the cloud side stores sound signals of a lot of qualified loudspeakers; and basis is provided for machine vibration test of audio output equipment.
Description
Technical field
The present invention relates to audio frequency apparatus technical field of measurement and test, be specifically related to a kind of audio collection frock, method
And cloud server.
Background technology
Present video outut device (such as, television set) test specification of dispatching from the factory requires television set is carried out " machine
Shake " test.Machine shake test, is to judge that TV entirety is tied when test sound play by the loudspeaker in television set
Whether structure can produce a kind of test of abnormal sound because of acoustic resonance.
The machine shake test of prior art, is substantially judged by human subjective, has sounded surveying by test human ear
Examination, efficiency is low and poor accuracy, and the TV easily causing " machine shake " abnormal sound comes into the market, and affects
Corporate image.Therefore, need a kind of new machine shake testing scheme badly and reduce test human cost, raising machine
Shake testing efficiency and accuracy.
Summary of the invention
The invention provides a kind of audio collection frock, method and cloud server, to solve existing machine
Shake test, testing efficiency is low, poor accuracy, tests human cost high problem.
According to an aspect of the invention, it is provided a kind of audio collection frock, this audio collection frock bag
Include: micro-control unit, audio collection mike, mark scanning element, communication unit and memory element；
Mark scanning element, for scanning the one-dimensional of unique mark loudspeaker of carrying on each loudspeaker to be dispatched from the factory
Code information, is sent to micro-control unit by the one-dimension code information of each loudspeaker；
Audio collection mike, plays predetermined frequency sweep for gathering each loudspeaker to be dispatched from the factory in quiet room
Acoustical signal during sound, is sent to micro-control unit by acoustical signal；
Micro-control unit, after being used for receiving acoustical signal, by acoustical signal and the mark of storage in memory element
Quasi-frequency sweep tone signal compares, if acoustical signal is inconsistent with standard frequency sweep tone signal, it is determined that treat out
The loudspeaker of factory are defective；If acoustical signal is consistent with standard frequency sweep tone signal, it is determined that loudspeaker to be dispatched from the factory
Qualified, acoustical signal and the one-dimension code information of these qualified loudspeaker are sent to communication unit；
Communication unit, for sending jointly to high in the clouds clothes by the acoustical signal of qualified loudspeaker and one-dimension code information
Business device so that cloud server using the acoustical signal of these qualified loudspeaker as whether judging audio output apparatus
The standard audio stream that there is machine shake preserves.
Alternatively, audio collection frock also includes: audio collection button,
Audio collection button, for receiving the audio collection instruction of user's input, sends out audio collection instruction
Giving micro-control unit, micro-control unit controls audio collection mike work when receiving audio collection instruction
Make.
Alternatively, audio collection frock also includes: AD conversion unit,
AD conversion unit, for receiving audio collection mike collection the sound of loudspeaker to be dispatched from the factory sent
Sound analogue signal, is sent to micro-control unit after this speech simulation signal is converted to audio digital signal.
Alternatively, audio collection frock also includes: output unit；
Micro-control unit, is additionally operable to, when determining wait the loudspeaker acceptance or rejection dispatched from the factory, generate this loudspeaker
The object information of acceptance or rejection, sends output unit by object information；
Output unit, for exporting the object information of loudspeaker acceptance or rejection to be dispatched from the factory.
Alternatively, output unit includes: LCDs and/or loudspeaker.
Alternatively, memory element, it is additionally operable to store the quantity of qualified loudspeaker and the quantity of defective loudspeaker；
Micro-control unit, is additionally operable to determining when the loudspeaker dispatched from the factory are qualified, by the one of defective loudspeaker
Dimension code information is sent to memory element and adds 1, really by the quantity of the qualified loudspeaker preserved in memory element
Make when the loudspeaker dispatched from the factory are defective, the one-dimension code information of defective loudspeaker is sent to memory element also
The quantity of the defective loudspeaker preserved in memory element is added 1；
Micro-control unit, is additionally operable to according to the total quantity of loudspeaker to be dispatched from the factory of storage in memory element and conjunction
The quantity of lattice loudspeaker calculates the qualification rate of loudspeaker to be dispatched from the factory, and the qualification rate of loudspeaker is sent to output unit
Output.
According to another aspect of the present invention, it is provided that a kind of audio collection method, the method includes:
Scan the unique one-dimension code information identifying these loudspeaker carried on each loudspeaker to be dispatched from the factory；
Each acoustical signal when predetermined frequency sweep sound play by the loudspeaker dispatched from the factory is gathered in quiet room；
The acoustical signal of loudspeaker to be dispatched from the factory is compared with standard frequency sweep tone signal, if loudspeaker to be dispatched from the factory
Acoustical signal is inconsistent with standard frequency sweep tone signal, it is determined that loudspeaker to be dispatched from the factory are defective；If loudspeaker to be dispatched from the factory
Acoustical signal is consistent with standard frequency sweep tone signal, it is determined that loudspeaker to be dispatched from the factory are qualified；
Acoustical signal and the one-dimension code information of qualified loudspeaker are sent to cloud server so that high in the clouds takes
Business device using the acoustical signal of these qualified loudspeaker as judge audio output apparatus whether exist machine shake standard pronunciation
Frequency stream preserves.
Alternatively, the method also includes:
Store qualified loudspeaker and the quantity of defective loudspeaker and one-dimension code information；
When determining when the loudspeaker dispatched from the factory are qualified, the quantity of the qualified loudspeaker preserved is added 1, when determining
Go out when the loudspeaker dispatched from the factory are defective, the quantity of the defective loudspeaker preserved is added 1；
Total quantity and the quantity of qualified loudspeaker according to the loudspeaker to be dispatched from the factory preserved calculate the qualified of loudspeaker
Rate, exports the qualification rate of loudspeaker.
According to a further aspect of the invention, it is provided that a kind of cloud server, this cloud server includes:
Data transmission module, memory module and machine shake judge module；
Data transmission module, predetermined frequency sweep sound play by the qualified loudspeaker sent for receiving audio collection frock
Time acoustical signal and unique one-dimension code information identifying qualified loudspeaker, the sound of these qualified loudspeaker is believed
Number and one-dimension code information be sent to memory module；
Memory module, is used for the acoustical signal of these qualified loudspeaker as judging whether audio output apparatus is deposited
Standard audio stream in machine shake preserves；
Data transmission module, the machine being additionally operable to receive audio output apparatus shakes the to be tested of test fixture transmission
The one-dimension code information of the loudspeaker of audio output apparatus and testing audio stream, be sent to this testing audio stream
Machine shake judge module；
Wherein, testing audio stream is defeated by the machine shake test fixture collection audio frequency to be tested of audio output apparatus
Go out equipment loudspeaker play predetermined frequency sweep sound time acoustical signal and obtain；
Machine shake judge module, the one-dimension code information for the loudspeaker according to audio output apparatus to be tested is being deposited
Storage module is searched the mark of the qualified loudspeaker of the one-dimension code information of the loudspeaker of corresponding audio output apparatus to be tested
Quasi-audio stream, compares testing audio stream and standard audio stream, if both are consistent, it is determined that this audition to be measured
Frequently there is not machine shake in outut device, and test result is sent to data transmission module；
Data transmission module, is additionally operable to be sent to test result the machine shake test fixture of audio output apparatus.
The invention has the beneficial effects as follows: the audio collection frock of the embodiment of the present invention and method, by gathering
Acoustical signal during predetermined frequency sweep play by the one-dimension code information of qualified loudspeaker and loudspeaker, and utilizes audio frequency to adopt
This acoustical signal is mated to determine that loudspeaker to be dispatched from the factory are by the standard frequency sweep sound that collection frock this locality preserves
No qualified, when loudspeaker are qualified, one-dimension code information and the acoustical signal of qualified loudspeaker are sent jointly to cloud
End server so that preserve substantial amounts of qualified loudspeaker in cloud server and play the sound letter of predetermined frequency sweep sound
Number (as standard audio stream), thus when cloud server receives the machine shake test fixture of audio output apparatus
When sending one-dimension code information and the testing audio stream of the loudspeaker of the audio output apparatus to be tested come, it is possible to root
Qualified loudspeaker and the standard pronunciation thereof of correspondence is found according to the one-dimension code information of the loudspeaker of audio output apparatus to be tested
Frequency stream, compares testing audio stream and standard audio stream, determines that audio output apparatus to be tested is
No exist machine shake obtain test result.So, on the one hand achieve by machine shake test automation to replace people
The subjective judgment that work ear is listened, improves testing efficiency, greatly reduces the test human cost of enterprise, and
Avoid the impact on test result of tester's subjective factors, it is ensured that test result accuracy.Another
Aspect, utilizes the standard audio stream of storage in cloud server to carry out machine shake and judges, due to cloud server
Disposal ability strong, so the time that machine shake test spends is short, testing efficiency is improved, and the most significantly subtracts
Lack the workload of the machine shake test fixture of this locality.
Accompanying drawing explanation
Fig. 1 is the block diagram of a kind of audio collection frock of one embodiment of the invention；
Fig. 2 is the block diagram of a kind of audio collection frock of another embodiment of the present invention；
Fig. 3 is the flow chart of a kind of audio collection method of one embodiment of the invention；
Fig. 4 is the block diagram of a kind of cloud server of one embodiment of the invention.
Detailed description of the invention
The design concept of the present invention is: in order to solve the machine of the audio output apparatus such as television set in prior art
The testing efficiency that shake test causes mainly by artificial judgment is low, the problem of poor accuracy, the embodiment of the present invention
Propose a kind of audio collection frock, method and cloud server, gathered the sound of qualified loudspeaker by this locality
Signal, then uploads to cloud server so that cloud server can when receiving machine shake test request
The acoustical signal utilizing the qualified loudspeaker of correspondence preserved carries out judgement and draws test result, thus improves machine
Shake testing efficiency, decreases the artificial judgment impact on test result, it is ensured that the accuracy of test result.
Embodiment one
Fig. 1 is the block diagram of a kind of audio collection frock of one embodiment of the invention, sees Fig. 1, this sound
Frequency gathers frock 10 and includes: micro-control unit 101, audio collection mike 102, mark scanning element
103, communication unit 105 and memory element 104；
Mark scanning element 103, for scanning unique these loudspeaker of mark carried on each loudspeaker to be dispatched from the factory
One-dimension code information, the one-dimension code information of each loudspeaker is sent to micro-control unit 101；
Audio collection mike 102, plays predetermined for gathering each loudspeaker to be dispatched from the factory in quiet room
Acoustical signal during frequency sweep sound, is sent to micro-control unit 101 by acoustical signal；
Micro-control unit 101, after being used for receiving acoustical signal, by acoustical signal and memory element 104
The standard frequency sweep tone signal of storage compares, if acoustical signal is inconsistent, then with standard frequency sweep tone signal
Determine that loudspeaker to be dispatched from the factory are defective；If acoustical signal is consistent with standard frequency sweep tone signal, it is determined that treat out
The loudspeaker of factory are qualified, and acoustical signal and the one-dimension code information of these qualified loudspeaker are sent to communication unit
105；
Here predetermined frequency sweep sound can be: at least one cycle and the frequency sweep letter that frequency range is 20～2KHZ
Number.The embodiment of the present invention gathers the acoustical signal of loudspeaker as follow-up test television set whether to be mainly used in
Exist machine shake standard audio stream, and here judge the standard frequency sweep sound sample signal that loudspeaker are the most qualified
Generally provided by ITV international television testing standard, and be saved in the memory element 104 of audio collection frock.
Communication unit 105, for sending jointly to cloud by acoustical signal and the one-dimension code information of qualified loudspeaker
End server so that cloud server using the acoustical signal of these qualified loudspeaker as judging audio output apparatus
The standard audio stream that whether there is machine shake preserves.
Audio collection frock 10 as shown in Figure 1 plays predetermined frequency sweep sound it can be seen that gather qualified loudspeaker
Time acoustical signal, these acoustical signals are sent to cloud server, such cloud server is the most permissible
Preserve the acoustical signal of substantial amounts of qualified loudspeaker, follow-up shake test request at the machine receiving television set to be tested
The acoustical signal of the corresponding qualified loudspeaker of Shi Liyong contrasts, and can show whether television set to be tested is deposited
Test result in machine shake, it is not necessary to judgement listened by artificial ear, it is achieved that the automatization of machine shake test.
Embodiment two
Fig. 2 is the block diagram of a kind of audio collection frock of another embodiment of the present invention, below in conjunction with Fig. 2
The structure of audio collection frock is described in detail.
Seeing Fig. 2, audio collection frock 20 includes: audio collection mike, i.e. shown in Fig. 2
MIC, mark scanning element 201, micro-control unit 202, communication unit 203, memory element 204,
Audio collection button 205, LCDs 206, loudspeaker 207 and AD conversion unit 208.
Audio collection button 205, is the audio collection frock interface mutual with user, is used for receiving user
The audio collection instruction of input, is sent to micro-control unit 202, micro-control unit by audio collection instruction
202 control audio collection mike when receiving audio collection instruction enters duty.
AD conversion unit 208, dispatches from the factory for waiting of receiving that audio collection mike MIC gathers and send
The speech simulation signal of loudspeaker, is sent to micro-control after this speech simulation signal is converted to audio digital signal
Unit 202 processed.During actual application, AD conversion unit 208 can be AD sampling A/D chip.
In the present embodiment, audio collection frock 20 also includes: output unit；
Micro-control unit 202, is additionally operable to when determining wait the loudspeaker acceptance or rejection dispatched from the factory, and generates
The object information of this loudspeaker acceptance or rejection, sends output unit by object information；
Output unit, for exporting the object information of loudspeaker acceptance or rejection to be dispatched from the factory.
Seeing Fig. 2, output unit includes: LCDs 206 and/or loudspeaker 207.
Between micro-control unit 202 and LCDs (Liquid Crystal Display, LCD) 206
Connected by rgb interface.Wherein, LCDs 206 can use TFT-LCD (Thin Film
Transistor, TFT) display screen.
It should be noted that the effect of LCDs 206 and loudspeaker (or claiming power amplifier) 207 is output
Test result, to user, allows users to more intuitive understanding loudspeaker to be dispatched from the factory the most qualified.
Qualification rate is the data that in a loudspeaker production process, enterprise pays special attention to, the production follow-up to enterprise
With the great reference value of improvement.Therefore qualified loudspeaker are being entered by this audio collection frock of the present embodiment
During row test and audio collection, it is also possible to the statistics qualified quantity of loudspeaker also combines the loudspeaker of test
Total quantity calculates the qualification rate of loudspeaker, then qualification rate is exported.See Fig. 2, memory element 204,
It is additionally operable to store the quantity of qualified loudspeaker and the quantity of defective loudspeaker；
Micro-control unit 202, is additionally operable to determining when the loudspeaker dispatched from the factory are qualified, by qualified loudspeaker
One-dimension code information is sent to memory element 204 and by the quantity of the qualified loudspeaker of preservation in memory element 204
Add 1, determining when the loudspeaker dispatched from the factory are defective, the one-dimension code information of defective loudspeaker is sent to
The quantity of the defective loudspeaker preserved in memory element 204 is also added 1 by memory element 204；
Micro-control unit 202, is additionally operable to according to the sum of the loudspeaker to be dispatched from the factory of storage in memory element 204
The quantity of amount and qualified loudspeaker calculates the qualification rate of loudspeaker to be dispatched from the factory, and the qualification rate of loudspeaker is sent to
Output unit (LCDs 206 and/or loudspeaker 207) exports.
The work process of the audio collection frock shown in Fig. 2 approximately as: at loudspeaker factory end, first exist
In independent quiet room with the frequency sweep sound (frequency range 20～2KHZ) of the loudspeaker playing standard of qualified approved sample and
Volume is transferred to 60dB (60 decibels is universal test request volume value).Then receive user and press frock
Audio collection button 205 input enabled instruction, micro-control unit MCU202 detect audio collection by
After the change of key 205 level, control audio collection MIC and AD AD conversion unit 208 enters work
State also stores cycle pure the standard 20～2KHZ frequency sweep sound collected outside MCU202
In the designated address space of memory element 204 (in the present embodiment, memory element is Flash flash memory), with
Rear MCU202 control LCDs 206 show " sample successfully " printed words (or control loudspeaker 207 broadcast
Put the voice of " sampling successfully ").
In the quiet room of audio collection, first (permissible during actual acquisition by mark scanning element 201
It is one-dimension code scanning device) dimension label (loudspeaker corresponding a label) of scanning loudspeaker itself, will mark
The particular address of Flash, 208 audio collection MIC of analog-to-digital conversion module subsequently are arrived in the storage of label information
The cycle 20～2KHZ frequency sweep sound analog signal figure collected passes to MCU202, MCU202 after quantifying
Relevant frequency, amplitude, phase place etc. are carried out to the standard frequency sweep sound of storage in Flash after receiving quantized data
The contrast of audio-frequency information, difference within the specific limits is it is also determined that loudspeaker are qualified.Then MCU202 handle
Frequency sweep sound digital signal and the loudspeaker one-dimension code information of correspondence thereof that test is collected pass through communication unit 203
(can be 5G mobile communication or WiFi communication during the actual acquisition) company of being sent to
The cloud server connect, it is possible to control at liquid crystal display screen display " it is qualified to transmit " printed words；If
It is bigger that speaker sound signal and standard sweep phonetic gap, it is determined that loudspeaker to be dispatched from the factory are defective, and record
The one-dimension code information of defective loudspeaker is in Flash, it is also possible to show " loudspeaker in LCDs 206
Defective, not transmit cloud server " printed words.
From the foregoing, it will be observed that this audio collection frock of the present embodiment is by the one-dimension code information harmony of qualified loudspeaker
Tone signal sends jointly to cloud server, can preserve substantial amounts of qualified loudspeaker in such cloud server
Play the acoustical signal (as standard audio stream) of predetermined frequency sweep sound, when receiving machine shake test request, profit
With the acoustical signal of the qualified loudspeaker preserved, the testing audio stream in test request is contrasted, thus
Show whether audio output apparatus to be tested exists the test result of machine shake, it is achieved that TV set shake test
Automatization.
Embodiment three
Fig. 3 is the flow chart of a kind of audio collection method of one embodiment of the invention, sees Fig. 3, this
Audio collection method in embodiment comprises the following steps S301-S304:
S301, scans the unique one-dimension code information identifying these loudspeaker carried on each loudspeaker to be dispatched from the factory；
S302, gathers each sound letter when predetermined frequency sweep sound play by the loudspeaker dispatched from the factory in quiet room
Number；
S303, compares the acoustical signal of loudspeaker to be dispatched from the factory with standard frequency sweep tone signal, if waiting to dispatch from the factory
The acoustical signal of loudspeaker is inconsistent with standard frequency sweep tone signal, it is determined that loudspeaker to be dispatched from the factory are defective；If treating
The acoustical signal of loudspeaker of dispatching from the factory is consistent with standard frequency sweep tone signal, it is determined that loudspeaker to be dispatched from the factory are qualified；
S304, is sent to cloud server by acoustical signal and the one-dimension code information of qualified loudspeaker so that
Cloud server using the acoustical signal of these qualified loudspeaker as judge audio output apparatus whether exist machine shake
Standard audio stream preserves.
It should be noted that this audio collection method of the present embodiment is to gather frock phase with aforementioned audio
Corresponding, thus the step that realizes in more detail of the present embodiment sound intermediate frequency acquisition method may refer to aforementioned reality
Execute the explanation to audio collection frock in example, repeat no more here.
Embodiment four
Fig. 4 is the block diagram of a kind of cloud server of one embodiment of the invention, sees Fig. 4, this high in the clouds
Server 40 includes: data transmission module 401, memory module 403 and machine shake judge module 402；
Data transmission module 401, predetermined sweeping play by the qualified loudspeaker sent for receiving audio collection frock
Frequently acoustical signal during sound and unique one-dimension code information identifying qualified loudspeaker, by the sound of these qualified loudspeaker
Tone signal and one-dimension code information are sent to memory module 403；
Memory module 403, is used for the acoustical signal of these qualified loudspeaker as judging that audio output apparatus is
The no standard audio stream that there is machine shake preserves；
Data transmission module 401, the machine being additionally operable to receive audio output apparatus shakes treating of test fixture transmission
The one-dimension code information of the loudspeaker of testing audio outut device and testing audio stream, send out this testing audio stream
Feeding device shake judge module 402；
Wherein, testing audio stream is defeated by the machine shake test fixture collection audio frequency to be tested of audio output apparatus
Go out equipment loudspeaker play predetermined frequency sweep sound time acoustical signal and obtain；
Machine shake judge module 402, for the one-dimension code information of the loudspeaker according to audio output apparatus to be tested
One-dimension code information qualified of the loudspeaker of corresponding audio output apparatus to be tested is searched in memory module 403
The standard audio stream of loudspeaker, compares testing audio stream and standard audio stream, if both are consistent, it is determined that should
There is not machine shake in audio output apparatus to be tested, test result is sent to data transmission module 401；
Data transmission module 401, is additionally operable to be sent to test result the machine shake test of audio output apparatus
Frock.
It is the sound playing predetermined frequency sweep sound through the loudspeaker that detection is qualified due to what cloud server preserved
Tone signal, so when cloud server receives the to be tested of the machine shake test fixture transmission of audio output apparatus
Audio output apparatus, after acoustical signal during the same frequency sweep sound of the loudspeaker broadcasting of television set, pass through
Testing audio stream television set speaker play and the standard audio stream of corresponding qualified loudspeaker compare,
Judge that both are the most consistent, if unanimously, then can determine that television set to be tested does not exist machine shake, thus realize
The automatization of machine shake test, improves testing efficiency and ensure that the accuracy of test result.
In sum, the embodiment of the present invention provides audio collection frock and method, the embodiment of the present invention
Audio collection frock and method, play predetermined by gathering the one-dimension code information of qualified loudspeaker and loudspeaker
Acoustical signal during frequency sweep, and this sound believed by the standard frequency sweep sound utilizing audio collection frock this locality to preserve
Number carry out mating to determine that loudspeaker to be dispatched from the factory are the most qualified, when loudspeaker are qualified, by the one of qualified loudspeaker
Dimension code information and acoustical signal send jointly to cloud server so that preserve substantial amounts of in cloud server
The acoustical signal (as standard audio stream) of predetermined frequency sweep sound play by qualified loudspeaker, thus works as cloud server
Receive audio output apparatus machine shake test fixture send come audio output apparatus to be tested loudspeaker one
When dimension code information and testing audio stream, it is possible to according to the one-dimension code letter of the loudspeaker of audio output apparatus to be tested
Breath finds qualified loudspeaker and the standard audio stream thereof of correspondence, testing audio stream and standard audio stream is compared
Relatively, determine whether audio output apparatus to be tested exists machine shake and obtain test result.So, on the one hand
Achieve by machine shake test automation to the subjective judgment replacing artificial ear to listen, improve testing efficiency, greatly
Reduce greatly the test human cost of enterprise, and avoid tester's subjective factors shadow to test result
Ring, it is ensured that test result accuracy.On the other hand, the standard audio of storage in cloud server is utilized
Stream carries out machine shake and judges, owing to the disposal ability of cloud server is strong, so the time that machine shake test spends
Short, testing efficiency is improved, and also greatly reduces machine shake test fixture this locality of audio output apparatus
Workload.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the protection model of the present invention
Enclose.All any modification, equivalent substitution and improvement etc. made within the spirit and principles in the present invention, all
Comprise within the scope of the present invention.
Claims (9)
1. an audio collection frock, it is characterised in that this audio collection frock includes: micro-control unit,
Audio collection mike, mark scanning element, communication unit and memory element；
Described mark scanning element, for scanning unique these loudspeaker of mark carried on each loudspeaker to be dispatched from the factory
One-dimension code information, the one-dimension code information of each loudspeaker is sent to described micro-control unit；
Described audio collection mike, plays predetermined for gathering each loudspeaker to be dispatched from the factory in quiet room
Acoustical signal during frequency sweep sound, is sent to described micro-control unit by described acoustical signal；
Described micro-control unit, after being used for receiving described acoustical signal, deposits described acoustical signal with described
In storage unit, the standard frequency sweep tone signal of storage compares, if described acoustical signal and described standard frequency sweep
Tone signal is inconsistent, it is determined that described in loudspeaker to be dispatched from the factory defective；If described acoustical signal and described mark
Quasi-frequency sweep tone signal is consistent, it is determined that described in loudspeaker to be dispatched from the factory qualified, the sound of these qualified loudspeaker is believed
Number and one-dimension code information be sent to described communication unit；
Described communication unit, for sending jointly to cloud by acoustical signal and the one-dimension code information of qualified loudspeaker
End server so that cloud server using the acoustical signal of these qualified loudspeaker as judging audio output apparatus
The standard audio stream that whether there is machine shake preserves.
Audio collection frock the most according to claim 1, it is characterised in that described audio collection work
Dress also includes: audio collection button,
Described audio collection button, for receiving the audio collection instruction of user's input, refers to audio collection
Order is sent to described micro-control unit, and described micro-control unit controls when receiving the instruction of described audio collection
Described audio collection microphone works.
Audio collection frock the most according to claim 1, it is characterised in that described audio collection work
Dress also includes: AD conversion unit,
Described AD conversion unit, dispatches from the factory for receiving described audio collection mike collection waiting of sending
The speech simulation signal of loudspeaker, is sent to described after this speech simulation signal is converted to audio digital signal
Micro-control unit.
Audio collection frock the most according to claim 1, it is characterised in that described audio collection work
Dress also includes: output unit；
Described micro-control unit, is additionally operable to when determining wait the loudspeaker acceptance or rejection dispatched from the factory, and generates
The object information of this loudspeaker acceptance or rejection, sends described output unit by object information；
Described output unit, for exporting the object information of loudspeaker acceptance or rejection to be dispatched from the factory.
Audio collection frock the most according to claim 4, it is characterised in that described output unit bag
Include: LCDs and/or loudspeaker.
6. according to the audio collection frock described in claim 4 or 5, it is characterised in that
Described memory element, is additionally operable to store the quantity of qualified loudspeaker and the quantity of defective loudspeaker；
Described micro-control unit, is additionally operable to determining when the loudspeaker dispatched from the factory are qualified, by defective loudspeaker
One-dimension code information be sent to described memory element and the quantity of the qualified loudspeaker preserved in memory element added
1, determining when the loudspeaker dispatched from the factory are defective, the one-dimension code information of defective loudspeaker is being sent to described
The quantity of the defective loudspeaker preserved in memory element is also added 1 by memory element；
Described micro-control unit, be additionally operable to according in memory element storage loudspeaker to be dispatched from the factory total quantity with
And the quantity of qualified loudspeaker calculates the qualification rate of loudspeaker to be dispatched from the factory, the qualification rate of loudspeaker is sent to described
Output unit exports.
7. an audio collection method, it is characterised in that the method includes:
Scan the unique one-dimension code information identifying these loudspeaker carried on each loudspeaker to be dispatched from the factory；
Each acoustical signal when predetermined frequency sweep sound play by the loudspeaker dispatched from the factory is gathered in quiet room；
The acoustical signal of described loudspeaker to be dispatched from the factory is compared with standard frequency sweep tone signal, if described in treat out
The acoustical signal of factory's loudspeaker is inconsistent with described standard frequency sweep tone signal, it is determined that described in loudspeaker to be dispatched from the factory not
Qualified；If the acoustical signal of loudspeaker to be dispatched from the factory described in is consistent with described standard frequency sweep tone signal, it is determined that institute
State loudspeaker to be dispatched from the factory qualified；
Acoustical signal and the one-dimension code information of qualified loudspeaker are sent to cloud server so that high in the clouds takes
Business device using the acoustical signal of these qualified loudspeaker as judge audio output apparatus whether exist machine shake standard pronunciation
Frequency stream preserves.
Audio collection method the most according to claim 7, it is characterised in that the method also includes:
Store qualified loudspeaker and the quantity of defective loudspeaker and one-dimension code information；
When determining when the loudspeaker dispatched from the factory are qualified, the quantity of the qualified loudspeaker preserved is added 1, when determining
Go out when the loudspeaker dispatched from the factory are defective, the quantity of the defective loudspeaker preserved is added 1；
Total quantity and the quantity of qualified loudspeaker according to the loudspeaker to be dispatched from the factory preserved calculate the qualified of loudspeaker
Rate, exports the qualification rate of loudspeaker.
9. a cloud server, it is characterised in that this cloud server includes: data transmission module,
Memory module and machine shake judge module；
Described data transmission module, predetermined sweeping play by the qualified loudspeaker sent for receiving audio collection frock
Frequently acoustical signal during sound and unique one-dimension code information identifying qualified loudspeaker, by the sound of these qualified loudspeaker
Tone signal and one-dimension code information are sent to described memory module；
Described memory module, is used for the acoustical signal of these qualified loudspeaker as judging that audio output apparatus is
The no standard audio stream that there is machine shake preserves；
Described data transmission module, the machine being additionally operable to receive audio output apparatus shakes treating of test fixture transmission
The one-dimension code information of the loudspeaker of testing audio outut device and testing audio stream, send out this testing audio stream
Give described machine shake judge module；
Wherein, described testing audio stream is to be shaken test fixture by the machine of audio output apparatus to gather audition to be measured
Frequently outut device loudspeaker play predetermined frequency sweep sound time acoustical signal and obtain；
Described machine shake judge module, for the one-dimension code information of the loudspeaker according to audio output apparatus to be tested
One-dimension code information qualified of the loudspeaker of corresponding audio output apparatus to be tested is searched in described memory module
The standard audio stream of loudspeaker, relatively described testing audio stream and described standard audio stream, if both are consistent,
Then determine that this audio output apparatus to be tested does not exist machine shake, and test result is sent to described data biography
Defeated module；
Described data transmission module, is additionally operable to described test result is sent to described audio output apparatus
Machine shake test fixture.
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