CN110418268A - The test macro and method of microphone Noise, FFT, PSR performance - Google Patents
The test macro and method of microphone Noise, FFT, PSR performance Download PDFInfo
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- CN110418268A CN110418268A CN201910578863.XA CN201910578863A CN110418268A CN 110418268 A CN110418268 A CN 110418268A CN 201910578863 A CN201910578863 A CN 201910578863A CN 110418268 A CN110418268 A CN 110418268A
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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
- H04R29/004—Monitoring arrangements; Testing arrangements for microphones
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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
- H04R2420/00—Details of connection covered by H04R, not provided for in its groups
- H04R2420/05—Detection of connection of loudspeakers or headphones to amplifiers
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- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The present invention provides a kind of microphone Noise, FFT, PSR Performance Test System and method, the test macro calls AP instrument to test tri- kinds of performances of microphone Noise, FFT, PSR, test macro includes: test condition configuration module, for configuring the test condition of test microphone Noise, FFT, PSR performance；Test procedures module, the test condition for being configured according to test condition configuration module call AP instrument successively to test tri- kinds of performances of microphone Noise, FFT, PSR, the data processing to AP instrument test, and show the test result after data processing；Test result module, the test result export for obtaining test procedures module, and be saved in corresponding test file.The present invention is able to solve the problems such as current test result accuracy is poor, big by artifical influence factor and testing efficiency is low.
Description
Technical field
The present invention relates to microphone the field of test technology, more specifically, be related to a kind of realization microphone Noise, FFT,
The test macro and method that PSR performance is tested simultaneously.
Background technique
Laboratory carries out the test of the Noise (noise), FFT (frequency spectrum), PSR (power supply inhibition) performance of microphone at present,
Parameter configuration is individually carried out using the priginal soft that AP instrument carries, and carry out Noise, FFT, PSR performance test respectively,
That is: the sequential testing that these three performances can only be one one.
Noise, FFT, PSR performance test are carried out to microphone using AP instrument, there are the following problems:
1, the included software practicability of AP instrument is poor, and layman carries out parameter configuration and is easy to make mistakes, and influences to survey
The accuracy of test result；
2, it is tested using the software that AP instrument carries, Noise data needs manually read and record data, test
The influence factor of data tested person personnel is larger；
3, three kinds of performances of same product test, Noise, FFT, PSR test knot could be obtained by needing to test respectively three times
Fruit, testing efficiency are low.
The problem of test method based on current microphone, need one kind can test simultaneously microphone Noise,
The test macro and method of tri- kinds of performances of FFT, PSR.
Summary of the invention
In view of the above problems, the object of the present invention is to provide a kind of test macros of microphone Noise, FFT, PSR performance
And method, to solve the problems such as current test result accuracy is poor, big by artifical influence factor and testing efficiency is low.
To achieve the above object, the present invention provides a kind of microphone Noise, FFT, PSR Performance Test System, the test
System calls AP instrument to test tri- kinds of performances of described microphone Noise, FFT, PSR, and the test macro includes:
Test condition configuration module, for configuring the test condition of test microphone Noise, FFT, PSR performance；
Test procedures module, the test condition for being configured according to the test condition configuration module, call AP instrument according to
It is secondary that tri- kinds of performances of described microphone Noise, FFT, PSR are tested, the data processing to the AP instrument test, and show
Test result after data processing；
Test result module, the test result export for obtaining the test procedures module, and be saved in corresponding
In test file.
Furthermore it is preferred that scheme be that the test condition configuration module includes: Noise Test condition configuration unit, FFT
Test condition configuration unit and PSR test condition configuration unit, wherein
The Noise Test condition configuration unit, for configuring the test condition of test microphone Noise；
The FFT test condition configuration unit, for configuring the test condition of test microphone FFT；
The PSR test condition configuration unit, for configuring the test condition of test microphone PSR.
Furthermore it is preferred that scheme be to be provided with config option in the test condition configuration module, pass through the configuration
The test condition of microphone Noise, FFT, PSR performance described in option configuration.
Furthermore it is preferred that scheme be that the test procedures module includes: performance test unit, data acquisition process unit
And test result display unit, wherein
The performance test unit, the test condition for being configured according to the test condition configuration module call AP instrument
Device successively tests tri- kinds of performances of described microphone Noise, FFT, PSR；
The data acquisition process unit is done accordingly for acquiring the performance data of the AP instrument test, and to data
Processing；Wherein,
It is described corresponding processing is done to data to include:
Exceptional value in the performance data is deleted to Noise data processing, and to the performance number for deleting the exceptional value
According to average value processing is carried out, using the average value as test result；
Specially treated is not done to FFT data；
It include two kinds to PSR data processing, a kind of processing mode of same Noise；One is the surveys for detecting corresponding frequency point
Try amplitude；
The test result display unit, for showing the test result in correspondence graph.
In addition, to achieve the above object, the present invention provides a kind of microphone Noise, FFT, PSR performance test methods, adopt
It is tested with microphone Noise, FFT, PSR Performance Test System described above, the specific test method is as follows:
According to the testing requirement of microphone to be measured, microphone Noise, FFT, PSR are matched in test condition configuration module
The test condition of performance；
According to the test condition that the test condition configuration module configures, call AP instrument successively to the microphone to be measured
Noise, FFT, PSR performance are tested；
The performance data of AP instrument test test is handled, and the test knot after display performance data processing
Fruit；
The test result is exported, and is saved in corresponding test file.
Furthermore it is preferred that scheme be, in the testing requirement according to microphone to be measured, to be configured in test condition configuration module
During the test condition of microphone Noise, FFT, PSR performance,
Microphone Noise, FFT, PSR performance is configured by the config option in the test condition configuration module
Test condition；Wherein,
In the config option, by choose Noise Test condition configuration unit, FFT test condition configuration unit and
PSR test condition configuration unit option configures in order the test condition of test microphone Noise, FFT, PSR.
Furthermore it is preferred that scheme be to be handled in the performance data tested the AP instrument test, and display performance
During test result after data processing,
It is the exceptional value deleted in the performance data to Noise data processing, and to the performance for deleting the exceptional value
Data carry out average value processing, using the average value as test result；
Specially treated is not done to FFT data；
It include two kinds to PSR data processing, a kind of processing mode of same Noise；A kind of test detecting corresponding frequency point
Amplitude；
The test result is shown in correspondence graph.
It can be seen from the above technical scheme that the test macro of microphone Noise, FFT, PSR performance provided by the invention and
Method automatically configures the test condition of tri- performances of microphone Noise, FFT, PSR by test condition configuration module, so as to
The error rate for enough reducing manual configuration test equipment, saves debug time；Each test is successively carried out according to the test condition of configuration
The performance test of item damages microphone products to be measured when can be avoided multiple taking and putting measured microphone, and reduces hand
The error rate of dynamic switch test item, to improve testing efficiency；Data are exported by test result module, compared to manually leading
Data out can be improved the accuracy rate and efficiency of data output.
To the accomplishment of the foregoing and related purposes, one or more aspects of the present invention includes the spy being particularly described below
Sign.Certain illustrative aspects of the invention is described in detail in the following description and the annexed drawings.However, these aspect instructions are only
It is that some of the various ways in the principles of the present invention can be used.In addition, the present invention is intended to include all such aspects with
And their equivalent.
Detailed description of the invention
By reference to the following description in conjunction with the accompanying drawings and the contents of the claims, and with to it is of the invention more comprehensively
Understand, other objects and results of the present invention will be more clearly understood and understood.In the accompanying drawings:
Fig. 1 is to be illustrated according to the test macro logical construction of microphone Noise, FFT, PSR performance of the embodiment of the present invention
Figure；
Fig. 2 is the test condition configuration module logical construction schematic diagram according to the embodiment of the present invention；
Fig. 3 is the test procedures module logical construction schematic diagram according to the embodiment of the present invention；
Fig. 4 is the test method flow diagram according to microphone Noise, FFT, PSR performance of the embodiment of the present invention.
Identical label indicates similar or corresponding feature or function in all the appended drawings.
Specific embodiment
There is test to the test method of Noise, FFT, PSR performance of microphone for the current laboratory of aforementioned proposition
As a result the problems such as accuracy is poor, big by artifical influence factor and testing efficiency is low, the present invention provides a kind of realization Mikes
The test macro and method that wind Noise, FFT, PSR performance are tested simultaneously.
Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.
In order to illustrate the test macro of microphone Noise, FFT, PSR performance provided by the invention, Fig. 1 is shown according to this
The test macro logical construction of microphone Noise, FFT, PSR performance of inventive embodiments.
As shown in Figure 1, the test macro of microphone Noise, FFT, PSR performance provided by the invention, passes through test macro
AP instrument is called to test tri- kinds of performances of microphone Noise, FFT, PSR, wherein microphone Noise, FFT, PSR performance
Test macro 100 include: test condition configuration module 110, test procedures module 120 and test result module 130.
Specifically, test condition configuration module 110, for configuring the test of test microphone Noise, FFT, PSR performance
Condition.Be provided with config option in test condition configuration module 110, by config option with microphone Noise, FFT,
The test condition of PSR performance.
In order to further illustrate the specific structure of test condition configuration module 110, Fig. 2 shows according to embodiments of the present invention
Test condition configuration module logical construction.
As shown in Fig. 2, test condition configuration module 110 includes: Noise Test condition configuration unit 111, FFT test-strips
Part configuration unit 112 and PSR test condition configuration unit 113.
Wherein, Noise Test condition configuration unit 111, for configuring the test condition of test microphone Noise；
FFT test condition configuration unit 112, for configuring the test condition of test microphone FFT；
PSR test condition configuration unit 113, for configuring the test condition of test microphone PSR.
In practical applications, the performance for the microphone that Test Engineer tests as needed, by being selected in config option
The test condition of the configuration of needs is selected, " set " button is clicked, test macro automatically configures test equipment.Such as: if system
Tri- performance values of microphone Noise, FFT, PSR are tested, then tester, in config option, selection Noise,
The test condition of FFT, PSR, after clicking setting button, Noise Test condition configuration unit 111, FFT test condition configuration unit
112 and PSR test condition configuration unit 113 can automatically configure corresponding performance test conditions.
Wherein, it should be noted that if selected as long as system tests in this three performances two therein in configuration
In, binomial therein is only selected, can be completed and automatically configure, therefore, according to test needs, selected in test condition configuration module 110
Select corresponding configuration unit.In an embodiment of the present invention, microphone is automatically configured by test condition configuration module
The test condition of tri- performances of Noise, FFT, PSR, so as to reduce the error rate of manual configuration test equipment.
In an embodiment of the present invention, test procedures module 120, the test for being configured according to test condition configuration module
Condition calls AP instrument successively to test tri- kinds of performances of microphone Noise, FFT, PSR, at the data of AP instrument test
Reason, and show the test result after data processing.
In order to further illustrate the specific logical construction of test procedures module 120, Fig. 3 is shown according to embodiments of the present invention
Test procedures module logical construction.As shown in figure 3, test procedures module 120 includes: performance test unit 121, data acquisition
Processing unit 122 and test result display unit 123.
Wherein, performance test unit 121, the test condition for being configured according to test condition configuration module call AP instrument
Device successively tests tri- kinds of performances of microphone Noise, FFT, PSR；
The data acquisition process unit 122 for acquiring the performance data of the AP instrument test, and does phase to data
The processing answered；It is described that data, to do corresponding processing include: to Noise data processing is the exception deleted in the performance data
Value, and average value processing is carried out to the performance data for deleting the exceptional value, using the average value as test result；To FFT
Data do not do specially treated；Different processing is made according to different test conditions to PSR data processing, specifically includes two kinds, one
Processing mode of the kind with Noise；One is the test amplitudes for detecting corresponding frequency point.
Test result display unit 123, for showing test result in correspondence graph.
In an embodiment of the present invention, test job personnel click start button, and performance test unit 121 can be according to configuration
Items (tri- kinds of Noise, FFT, PSR) test condition successively carry out the test of each test item；And test result is shown right
It answers in chart.Last test personnel continue test according to test result judgement and still retest, that is to say, that if surveyed
There is obvious deviation in test result, can re-start test.
Primary production is only placed in test process of the invention, it will be able to successively test Noise, FFT, PSR, avoid more
Product is damaged when secondary pick-and-place product, and reduces the error rate of manual switching test item, improves testing efficiency.
When reading Noise Test result, will record in data acquisition process unit 122 all in certain time
Noise value, and it is automatically deleted exceptional value, average value is exported as final result.It is compared to engineer and directly reads fluctuation
Noise numerical value, test macro of the invention eliminate the subjective consciousness manually read, improve accuracy.
In an embodiment of the present invention, test result module 130, the test result for obtaining test procedures module are led
Out, it and is saved in corresponding test file.
Specifically, after the completion of all microphone products tests to be measured, output button is clicked, is filled in the dialog box of pop-up
After test file name, the data output of final test is saved in corresponding test file by test result module 130.Compared to people
Work exports data, needs to carry out data processing conversion, and test macro provided by the invention improves the accuracy rate of data output
With efficiency.
Corresponding with above-mentioned test macro, the present invention also provides a kind of test sides of microphone Noise, FFT, PSR performance
Method, Fig. 4 show the test method process of microphone Noise, FFT, PSR performance according to an embodiment of the present invention.
As shown in figure 4, the test method of microphone Noise, FFT, PSR performance provided by the invention, use are described above
Microphone Noise, FFT, PSR Performance Test System tested, specific test method includes step S110 to step S140,
Steps are as follows for specific test method:
S110: according to the testing requirement of microphone to be measured, in test condition configuration module with microphone Noise,
The test condition of FFT, PSR performance；
S120: the test condition configured according to test condition configuration module calls AP instrument successively to microphone to be measured
Noise, FFT, PSR performance are tested；
S130: the performance data of AP instrument test test is handled, and the test knot after display performance data processing
Fruit；
S140: test result is exported, and is saved in corresponding test file.
Wherein, in above-mentioned steps S110, in the testing requirement according to microphone to be measured, in test condition configuration module
During test condition with microphone Noise, FFT, PSR performance,
Match the test-strips of microphone Noise, FFT, PSR performance by the config option in test condition configuration module
Part；Wherein,
In config option, surveyed by choosing Noise Test condition configuration unit, FFT test condition configuration unit and PSR
Strip part configuration unit option configures in order the test condition of test microphone Noise, FFT, PSR.
Wherein, in step s 130, the performance data of AP instrument test test is handled, and at display performance data
Test result after reason specifically comprises the following steps:
Step S131: acquisition AP instrument test performance data, and for Noise data, FFT data and PSR data into
The processing of row specific aim；
Step S 132: carrying out specific aim processing to Noise data, FFT data and PSR data includes: to Noise data
Processing is the exceptional value deleted in the performance data, and carries out average value processing to the performance data for deleting the exceptional value,
Using the average value as test result；
Specially treated is not done to FFT data；
Different processing is made according to different test conditions to PSR data processing, specifically includes two kinds, a kind of same Noise
Processing mode；One is the test amplitudes for detecting corresponding frequency point；
Step S 133: test result is shown in correspondence graph.
By above embodiment as can be seen that the test system of microphone Noise, FFT, PSR performance provided by the invention
System and method, the test condition of tri- performances of microphone Noise, FFT, PSR is automatically configured by test condition configuration module, from
And can reduce the error rate of manual configuration test equipment, save debug time；It is successively carried out according to the test condition of configuration each
The performance test of test item damages microphone products to be measured when can be avoided multiple taking and putting measured microphone, and drop
The error rate of low manual switching test item, to improve testing efficiency；Data are exported by test result module, compared to people
Work exports data, can be improved the accuracy rate and efficiency of data output.
Describe microphone Noise, FFT, PSR performance proposed according to the present invention in an illustrative manner above with reference to attached drawing
Test macro and method.It will be understood by those skilled in the art, however, that the microphone proposed for aforementioned present invention
The test macro and method of Noise, FFT, PSR performance can also make various change on the basis of not departing from the content of present invention
Into.Therefore, protection scope of the present invention should be determined by the content of appended claims.
Claims (7)
1. a kind of microphone Noise, FFT, PSR Performance Test System, the test macro calls AP instrument to the microphone
Tri- kinds of performances of Noise, FFT, PSR are tested, which is characterized in that the test macro includes:
Test condition configuration module, for configuring the test condition of test microphone Noise, FFT, PSR performance；
Test procedures module, the test condition for being configured according to the test condition configuration module call AP instrument successively right
Tri- kinds of performances of described microphone Noise, FFT, PSR are tested, the data processing to the AP instrument test, and show data
Test result that treated；
Test result module, the test result export for obtaining the test procedures module, and it is saved in corresponding test
In file.
2. microphone Noise, FFT, PSR Performance Test System as described in claim 1, which is characterized in that
The test condition configuration module includes: that Noise Test condition configuration unit, FFT test condition configuration unit and PSR are surveyed
Strip part configuration unit, wherein
The Noise Test condition configuration unit, for configuring the test condition of test microphone Noise；
The FFT test condition configuration unit, for configuring the test condition of test microphone FFT；
The PSR test condition configuration unit, for configuring the test condition of test microphone PSR.
3. microphone Noise, FFT, PSR Performance Test System as described in claim 1, which is characterized in that
It is provided with config option in the test condition configuration module, the microphone is configured by the config option
The test condition of Noise, FFT, PSR performance.
4. microphone Noise, FFT, PSR Performance Test System as described in claim 1, which is characterized in that
The test procedures module includes: performance test unit, data acquisition process unit and test result display unit,
In,
The performance test unit, the test condition for being configured according to the test condition configuration module, call AP instrument according to
It is secondary that tri- kinds of performances of described microphone Noise, FFT, PSR are tested；
The data acquisition process unit does corresponding place for acquiring the performance data of the AP instrument test, and to data
Reason；Wherein,
It is described corresponding processing is done to data to include:
Exceptional value in the performance data deleted to Noise data processing, and to delete the performance data of the exceptional value into
Row average value processing, using the average value as test result；
Specially treated is not done to FFT data；
It include two kinds to PSR data processing, a kind of processing mode of same Noise；One is the test width for detecting corresponding frequency point
Value；
The test result display unit, for showing the test result in correspondence graph.
5. a kind of microphone Noise, FFT, PSR performance test methods, using the Mike as described in claim 1-4 any one
Wind Noise, FFT, PSR Performance Test System is tested, and the specific test method is as follows:
According to the testing requirement of microphone to be measured, microphone Noise, FFT, PSR performance are matched in test condition configuration module
Test condition；
According to the test condition that the test condition configuration module configures, call AP instrument successively to the microphone to be measured
Noise, FFT, PSR performance are tested；
The performance data of AP instrument test test is handled, and the test result after display performance data processing；
The test result is exported, and is saved in corresponding test file.
6. microphone Noise, FFT, PSR performance test methods as claimed in claim 5, which is characterized in that
In the testing requirement according to microphone to be measured, microphone Noise, FFT, PSR are matched in test condition configuration module
During the test condition of energy,
The test of microphone Noise, FFT, PSR performance is configured by the config option in the test condition configuration module
Condition；Wherein,
In the config option, surveyed by choosing Noise Test condition configuration unit, FFT test condition configuration unit and PSR
Strip part configuration unit option configures in order the test condition of test microphone Noise, FFT, PSR.
7. microphone Noise, FFT, PSR performance test methods as claimed in claim 5, which is characterized in that
It is handled in the performance data tested the AP instrument test, and the test result after display performance data processing
In the process,
Exceptional value in the performance data deleted to Noise data processing, and to delete the performance data of the exceptional value into
Row average value processing, using the average value as test result；
Specially treated is not done to FFT data；
It include two kinds to PSR data processing, a kind of processing mode of same Noise；One is the test width for detecting corresponding frequency point
Value；
The test result is shown in correspondence graph.
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| CN111050263A (en) * | 2019-11-07 | 2020-04-21 | 歌尔股份有限公司 | Microphone load impedance testing system and method |
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