CN1812349A - Automatic testing device for audio-frequency index - Google Patents
Automatic testing device for audio-frequency index Download PDFInfo
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Abstract
This invention discloses a kind of audio frequency index automatic testing apparatus. It concludes audio frequency analyzer which is used to measure audio frequency index; user interactive unit which is used to receive the setting information of the said audio frequency analyzer; apparatus setting unit which generates the apparatus setting instruction of the said audio frequency analyzer according to the said setting information; instruction analysis and down-transmitted unit which receives and analyzes the said setting instruction. This unit also down-transmits the analyzed setting instruction to the said audio frequency analyzer and controls the said audio frequency analyzer. This invention can increase testing efficiency and accuracy of testing results
Description
Technical field
The present invention relates to the measuring technology in the communications field, particularly relate to a kind of automatic testing device for audio-frequency index.
Background technology
When realizing the test of audio-frequency index, normally adopt audio analyzer to carry out at present.Wherein, the SYS2522A audio analyzer of Audio Precision company is a product leading in the industry, its function is comparatively powerful, is by computer control, can be used for measuring the tester with test simulation and digital sound, serial digital acoustics interface format.
SYS2522A audio analyzer inside can be carried out all signals and be taken place and signal analysis, being used for waveform shows and FFT (Fast Fourier Transform Algorithm, the fast Fourier transfer algorithm) sampled signal of Fen Xiing also all is stored in its inner DSP (Digital Signal Processing, Digital Signal Processing) mould.
See also Fig. 1, the panel of SYS2522A audio analyzer 910 (figure does not show) does not provide control and Presentation Function, but manipulate by the computer 920 that connects a band application software, for example link to each other with Windows (form) compatible computer 920 by APIB bus 930, operation APWIN application software 940 provides user interface function on the computer 920, comprise control, demonstrations, scanning and graphically show, result's storage, have by/the qualification (Pass/Fail limits) of failing autotest program and with the interface of printer and plotter.
Consult Fig. 2 in the lump, described APWIN application software 940 is the software of developing on the form basis, can operate in WINDOW95,98, ME, NT and 2000 systems fully.This application software 940 comprises user interface 941 and user profile processing unit 942.Wherein, user interface 941 is used to receive user's configuration information; User profile processing unit 942 is used to resolve described configuration information, and control SYS2522A audio analyzer 910 is tested.
In the prior art, general method of testing is according to the test needs, to tester carry out step by step, step-by-step manual the setting, begin test after setting, obtain data, analyze, handle, store data then.
Because SYS2522A audio analyzer powerful, need the content that is provided with a lot of on its supporting application A PWIN interface, and also very thin.Easy omission being set or makeing mistakes step by step, even situation about being not quite similar is set when appearing at the different time test, cause test result deviation to occur.Too much setting also is disadvantageous for the engineer of preliminary contact audio-frequency test.In addition, the efficient of under the manual mode a large amount of test datas being carried out computing also is low-down.Generally speaking, the efficient of present this manual test method is lower, and particularly when needs carried out batch or uniformity test to large-tonnage product, low like this efficient was to make us intolerable.
In the prior art, also there are some and the similar instrument of SYS2522A audio analyzer, its method of testing is a manual type, need by hand instrument to be carried out step-by-step setting, owing to need the content of setting various, efficient is lower, and occur that easily mistake is set, front and back are provided with problem inequality.
Summary of the invention
The technical problem that the present invention solves is to provide a kind of automatic testing device for audio-frequency index, can effectively improve testing efficiency and precision of test result.
For this reason, the technical scheme of technical solution problem of the present invention is: a kind of automatic testing device for audio-frequency index is provided, comprises the audio analyzer that is used to measure the Devices to test audio-frequency index, also comprise:
User interaction unit is used to receive the configuration information of user to described audio analyzer;
Instrument is provided with the unit, and the instrument that is used for generating according to described configuration information this audio analyzer is provided with instruction;
Instruction is resolved and is issued the unit, is used for receiving and resolving the described instruction that is provided with, and is handed down to described audio analyzer and controls described audio analyzer.
Preferably, also comprise data capture unit, be used for resolving and issue the test data that the unit obtains described audio analyzer from instruction.
Preferably, also comprise data analysis unit, be used for the test data that described data capture unit is obtained is analyzed.
Preferably, the analysis result of described data analysis unit is resolved and is issued the unit by instruction and shows.
Preferably, also comprise the report unit, be used for test data generation test report according to the audio-frequency index of Devices to test.
Preferably, described instruction is resolved and issued the unit provides the built-in function of audio analyzer being controlled, read and shows test data; Described instrument is provided with the unit and generates instruction by described built-in function.
Preferably, to resolve and issue the unit be the APWIN system for described instruction; Described user interaction unit, instrument are provided with unit, data capture unit, data analysis unit and the formation of the report unit control unit based on the APWIN platform.
Preferably, described instruction is resolved and is issued unit, user interaction unit, instrument and unit, data capture unit, data analysis unit and report unit is set is integrated in the computer; Described computer is connected with audio analyzer by APIB bus or gpib bus.
Preferably, described instruction is resolved and issued the unit provides the built-in function of audio analyzer being controlled, read and shows test data; Described instrument is provided with the unit and generates instruction by described built-in function.
Preferably, described instruction is resolved and is issued unit, user interaction unit, instrument and the unit is set is integrated in the computer; Described computer is connected with audio analyzer by APIB bus or gpib bus.
With respect to prior art, the invention has the beneficial effects as follows: because in the automatic testing device for audio-frequency index of the present invention, the user only need finish the operation of being concerned about by user interaction unit, instrument is provided with the unit can generate the instruction that is provided with at audio analyzer automatically, instruction is resolved and is issued the unit and supports describedly the parsing of instruction is set and issues, make the user need not to pay close attention to the course of work that the unit was resolved and issued in instruction, therefore with prior art in the user need carry out step-by-step setting by user interface and compare, test process is standard more, improve testing efficiency, and test result more accurately and reliably.
In addition, in preferred version of the present invention, can also pass through automatic computational analysis and storage that test result is realized in data capture unit, data analysis unit and report unit, thereby further improve testing efficiency.
Preferred version of the present invention can be realized testing automatically based on the audio-frequency index of APWIN platform, the programing function that utilizes APWIN software to provide, replace manual test with automatic test, at first realize alternately by interface and user, the test event that the user can select to carry out, test report is set deposits path etc., can begin automatic test then, automatically performing of the automatic setting of realization instrument, test event, by favorable tissue, the control unit of having finished (program module) can be reused.The present invention also further stores, analyzes, calculates, stores once more initial data, forms test report.
Description of drawings
Fig. 1 is the block diagram of prior art sound intermediate frequency analytical system
Fig. 2 is the logical construction schematic diagram of application software in the system shown in Figure 1.
Fig. 3 is the block diagram of automatic testing device for audio-frequency index of the present invention;
Fig. 4 is the block diagram of control unit among the present invention;
Fig. 5 is the block diagram of the example of automatic testing device for audio-frequency index of the present invention;
Fig. 6 is the structure chart of the example of automatic testing device for audio-frequency index of the present invention;
Fig. 7 is the workflow diagram of automatic testing device for audio-frequency index of the present invention.
Embodiment
Seeing also Fig. 3, is the block diagram of automatic testing device for audio-frequency index of the present invention.
Automatic testing device for audio-frequency index is used to test Devices to test, and (Equipment Under Test, EUT) 800 audio-frequency index comprise audio analyzer 100, instruction parsing and issue unit 200, control unit 300; Wherein, control unit 300 receives users' input, generates the audio-frequency index test instruction automatically, and what described test instruction comprised audio analyzer is provided with that instruction is obtained in instruction, test execution instruction, data, the test report generation is instructed or the like; Instruction is resolved and is issued 200 of unit and provides application interface to control unit 300, is issued to audio analyzer 100 after the instruction that control unit 300 is sent is resolved; Audio analyzer 100 receives instruction from the instruction resolution unit, finishes actual setting (Generator, Analyzer, Sweep Panel etc.), and finishes measuring process at Devices to test 800.
Consult Fig. 4 in the lump, control unit 300 comprises that user interaction unit 310, instrument are provided with unit 320, data capture unit 330, data analysis unit 340 and report unit 350.
This user interaction unit 310 provides control and dialog box, acceptance test personnel's test instruction, and the tester can deposit path etc. by test event, test report that the interface is selected to carry out.
The user profile that unit 320 obtains according to user interaction unit of being provided with instrument realizes the setting to audio analyzer, comprises Generator (signal generator), Analyzer (signal analyzer) and Sweep Panel (Sweep panel) etc.
Data capture unit 330 is resolved and is issued unit 200 from instruction and obtains the test data that audio analyzer 100 provides.Usually, after audio analyzer 100 tests were finished, unit 200 is resolved and issued in instruction can provide test data in the mode of figure and form, and data capture unit 330 is used for that unit 200 is resolved and issued to test data from instruction and takes out.
Data analysis unit 340 is carried out conversion, calculating and analysis as required with the test data that obtains, and shows test data with the form of hope again with figure or form.
Report unit 350 generates test report (for example adopting the test report of Microsoft Word document form) according to the customer requirements that obtains on the user interaction unit 310.
Certainly, in order to satisfy otherwise test needs, in control unit, can also add other control unit as required.
For ease of the understanding of the present invention, describe the present invention below in conjunction with instantiation.
See also Fig. 5, in an example of the present invention, audio analyzer 100 adopts the SYS2522A audio analyzer of Audio Precision company; Instruction is resolved and is issued unit 200 and all is positioned at the computer 700 that is connected audio analyzer 100 by the APIB bus with control unit 300.
Be understandable that instruction is resolved and issued unit 200 and control unit 300 can be the software systems that are positioned at computer 700 inside, finishes intended function by operation on computer 700.Certainly, instruction is resolved and is issued unit 200 and control unit 300 also can adopt the form of hardware to realize, can be discrete device, also can integrate.
SYS2522A audio analyzer 100 comprises parts such as signal generator, signal analyzer and Sweep panel (figure does not show), receives instruction and finishes actual setting and measuring process.
In this example, instruction is resolved and is issued unit 200 and is APWIN software, the control unit 300 of application interface to the upper strata is provided, and the actual SYS2522A of the being issued to audio analyzer 100 of instruction that also control unit 300 on upper strata can be sent simultaneously is to finish the control to audio analyzer.
In this example, control unit 300 is the application software system based on AP Basic, provides the interface to the tester, and test report etc. is obtained, generated in the setting of control instrument, test execution, data.Control unit 300 is programmed according to the test needs.
Need to prove that the interface that control unit 300 provides also is different from the user interface that APWIN software provides in the prior art, under manual mode of operation, the interface of APWIN software provides the test setting interface to the tester; And in the present invention, the tester utilizes the interface of control unit 300 only need finish the setting of the operation of care, and control unit 300 will generate test instruction automatically, and the APWIN software interface is transparent substantially.
Because in this example, control unit 300 is the application software system based on AP Basic, it or not executable file, therefore in the APWIN environment, move, but (adopt in the prior art, the tester of traditional measuring technology need be by operations such as the APWIN interface are provided with) be concerned about without the user in this example substantially in the interface of APWIN software (instruction resolve and issue unit 200).
APWIN software provides many built-in functions, be used for SYS2522A audio analyzer 100 is controlled, read and video data etc., control unit 300 in this example makes full use of these functions and finishes test assignment, APWIN software makes an explanation to invoked function, passes to SYS2522A audio analyzer 100 actual going then and carries out.
Seeing also Fig. 6, is the structure chart of the automatic testing device for audio-frequency index of this example.
In the control unit 300, user interaction unit 310 provides control and dialog box, the tester selects the test event that need carry out such as monophony or dual track test, frequency sound test, distortion measurement etc. (certainly by the interface, test event is not limited to above-mentioned giving an example, can also expand as required), whether test report deposits the path, log off etc., thereby finishes mutual with the user before test.
For example, when the user deposits the path for " C: test report " by the interface setting test report, can set up this catalogue automatically and after executing test, test report is left under this catalogue.
The user profile that unit 320 obtains according to user interaction unit 310 of being provided with instrument realizes setting and the control to instrument, comprises signal generator, signal analyzer and panel etc.After the user finishes setting by user interaction unit 310, can choose suitable instrument parameter automatically according to user's setting, call the suitable built-in function that APWIN software provides, with the form of variable suitable variate-value is write corresponding instrument and be provided with in the function, thereby finish the instrument setting.
Data capture unit 330 obtains the test data that APWIN software provides in modes such as figure and forms after 100 tests of SYS2522A audio analyzer are finished.Data capture unit 330 can take out test data with the form of array from APWIN software, the difference of these data based test events may be that final result also may be an intermediate data.
Data analysis unit 340 is carried out conversion, calculating and analysis as required with the test data that obtains, and in APWIN software, show final result with figure or form with the form of hope, be in APWIN software, to show (being not user interaction unit 310) at this moment, be convenient to user's observation directly perceived, simultaneously the user also can do further conversion on this basis according to the needs of oneself, shows etc. such as only choosing one piece of data.Final result also can be formed the test report of forms such as Word document by report unit 350, and the test data in the report does not allow the user to continue to revise.
Report unit 350 generates test report according to the customer requirements that obtains on the interface.
All subelements all can be programmed on the basis of AP Basic and be finished in the control unit 300.The built-in Basic language interpreter of APWIN software is explained and is issued practical operation by the parallel port and instructs to SYS2522A audio analyzer 100, is finally finished test and is obtained original test data by SYS2522A audio analyzer 100.
Seeing also Fig. 7, is the workflow diagram of the device of this example.
Step S110, the opening signal generator also is provided with.
According to test is the analogue audio frequency or the difference of digital audio, control unit calls AP.Application.PanelOpen that API software provides and different parameters is opened analog signal generator and digital signal generator respectively; Calling AP.Gen and AP.DGen respectively is provided with analog signal generator and digital signal generator.
Step S120, the opening signal analyzer also is provided with.
According to what test is the analogue audio frequency or the difference of digital audio, and control unit calls AP.Application.PanelOpen and different parameters is opened analog signal analyzer and digital signal analyser respectively.Wherein, for the analog signal analyzer, call AP.Anlr and be provided with.
For digital signal analyser, can call AP.S2CDsp.Program and between seven kinds of digital signal analysers that SYS2522 A audio analyzer provides, select, then:
Calling AP.S2CDsp.Analyzer is provided with DSP audio analyzer;
Calling AP.S2CDsp.FFT is provided with FFT spectrum analyzer;
Calling AP.S2CDsp.Intervu is provided with Digital interface analyzer;
Calling AP.S2CDsp.FastTest is provided with Multitone audio analyzer;
Calling AP.S2CDsp.Mls is provided with Quasi-anechoic analyzer;
Calling AP.S2CDsp.BitTest is provided with Digital data analyzer;
Calling AP.S2CDsp.Harmonic is provided with Harmonic distortion analyzer.
Step S130 judges whether and need be provided with Digital I/O panel.
If the test digital audio also needs Digital I/O panel is provided with.Execution in step S140 calls AP.Application.PanelOpen and opens Digital I/O panel, calls AP.S2CDio then and is provided with.
Step S150 calls AP.Application.PanelOpen and opens the Sweep panel, calls AP.Sweep and is provided with.
Step S160, call AP.Application.PanelOpen and open Sweep Settling panel, call AP.Anlr.FuncSettling Analog analyzer is set, call AP.Dcx DCX is set, call AP.S2CDio DIO is set, call AP.S2CDsp DSP is set.
Step S170, control unit call AP.Sweep.Start and begin test, and APWIN software is resolved test instruction and is issued to audio analyzer.
Step S180 can analyze test result after test is finished.Store data if desired, can call AP.File.SaveDataAs the test data preservation is provided with further analysis of back hereof.
In this example, for making test process standard more, improve testing efficiency, make test result more accurately and reliably, make full use of the programing function that SYS2522 audio analyzer APWIN software provides, replace manual test with testing automatically, the audio-frequency index that is based on the APWIN platform is tested automatically, realize the automatically performing of automatic setting, test event of instrument, the automatic computational analysis and the storage of test result, thereby improve testing efficiency.
This is programme owing to APWIN can use APWIN Basic language (APWIN Basic and Visual Basic are very approaching, all are to develop from Basic).By programming, the user can organize together a succession of different test event, and APWIN is equivalent to a program interpreter, and the meeting transmitting order to lower levels is also controlled the test that the SYS2522 audio analyzer is finished setting and all items automatically.So, we just can realize automatic test.By favorable tissue, the control unit of having finished (program module) can be reused.
Programming is called control unit after finishing in APWIN software, program module at first realizes alternately by interface and user, the test event that the user can select to carry out, test report is set deposits path etc., can begin automatic test then.The SYS2522 audio analyzer will be finished exercises according to the flow process of program defined, carry out the instrument setting, obtain original test data.The present invention further stores, analyzes, calculates, stores once more initial data, forms test report.
Certainly, the present invention can also other execution mode, for example, those skilled in the art knows, also can realize programming in the present invention without APWIN Basic language, realize to the control of audio analyzer and obtaining of test data that and utilize GPIB to order this moment, audio analyzer linked to each other with computer by gpib bus.
In sum, the present invention makes full use of the programing function that audio analyzer software provides, replace manual test with automatic test, order with program is carried out the setting that replaces craft, can guarantee the correctness that is provided with and the consistency of front and back, make test process standard more, improve testing efficiency, make test result more accurately and reliably.And, the function that can make full use of program itself is further processed test result data, being about to test data takes out in batches, according to test needs and purpose data are carried out conversion, calculating and analysis, again show test data in the mode of form/figure with predefined form then, and generate test report.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. an automatic testing device for audio-frequency index comprises the audio analyzer that is used to measure the Devices to test audio-frequency index, it is characterized in that, also comprises:
User interaction unit is used to receive the configuration information of user to described audio analyzer;
Instrument is provided with the unit, and the instrument that is used for generating according to described configuration information this audio analyzer is provided with instruction;
Instruction is resolved and is issued the unit, is used for receiving and resolving the described instruction that is provided with, and is handed down to described audio analyzer and controls described audio analyzer.
2. automatic testing device for audio-frequency index according to claim 1 is characterized in that: also comprise data capture unit, be used for resolving and issue the test data that the unit obtains described audio analyzer from instruction.
3. automatic testing device for audio-frequency index according to claim 2 is characterized in that: also comprise data analysis unit, be used for the test data that described data capture unit is obtained is analyzed.
4. automatic testing device for audio-frequency index according to claim 3 is characterized in that: the analysis result of described data analysis unit is resolved and is issued the unit by instruction and shows.
5. automatic testing device for audio-frequency index according to claim 4 is characterized in that: also comprise the report unit, be used for the test data generation test report according to the audio-frequency index of Devices to test.
6. automatic testing device for audio-frequency index according to claim 5 is characterized in that: described instruction is resolved and issued the unit provides the built-in function of audio analyzer being controlled, read and shows test data; Described instrument is provided with the unit and generates instruction by described built-in function.
7. automatic testing device for audio-frequency index according to claim 6 is characterized in that: described instruction is resolved and issued the unit is the APWIN system; Described user interaction unit, instrument are provided with unit, data capture unit, data analysis unit and the formation of the report unit control unit based on the APWIN platform.
8. automatic testing device for audio-frequency index according to claim 6 is characterized in that: described instruction is resolved and is issued unit, user interaction unit, instrument and unit, data capture unit, data analysis unit and report unit is set is integrated in the computer; Described computer is connected with audio analyzer by APIB bus or gpib bus.
9. automatic testing device for audio-frequency index according to claim 1 is characterized in that: described instruction is resolved and issued the unit provides the built-in function of audio analyzer being controlled, read and shows test data; Described instrument is provided with the unit and generates instruction by described built-in function.
10. automatic testing device for audio-frequency index according to claim 9 is characterized in that: described instruction is resolved and is issued unit, user interaction unit, instrument and the unit is set is integrated in the computer; Described computer is connected with audio analyzer by APIB bus or gpib bus.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100027522A CN100536408C (en) | 2005-01-26 | 2005-01-26 | Automatic testing device for audio-frequency index |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101089641B (en) * | 2007-07-12 | 2010-09-08 | 北京中星微电子有限公司 | Method, system for implementing audio-frequency equipment test |
| CN102088503A (en) * | 2010-11-23 | 2011-06-08 | 北京神州腾耀通讯技术有限公司 | Surface noise testing system and testing method of LCD (liquid crystal display) screen of mobile phone |
| CN101448180B (en) * | 2007-11-26 | 2012-07-04 | 比亚迪股份有限公司 | Test system of mobile telephone speaker |
| CN102654420A (en) * | 2012-05-04 | 2012-09-05 | 惠州市德赛汽车电子有限公司 | Volume curve automatic test method and system thereof |
| CN102752059A (en) * | 2011-04-19 | 2012-10-24 | 上海博泰悦臻电子设备制造有限公司 | Automatic equipment test method and system |
| CN104883653A (en) * | 2014-02-27 | 2015-09-02 | 广州思林杰网络科技有限公司 | Audio frequency tester, method of measuring and uploading data through the tester |
| CN105429712A (en) * | 2014-09-22 | 2016-03-23 | 惠州市德赛西威汽车电子股份有限公司 | Laboratory simulation vehicle-mounted sound equipment RDS function test method |
| CN108600929A (en) * | 2017-12-08 | 2018-09-28 | 佛山慧明电子科技有限公司 | A kind of multinomial audio frequency parameter automatic test approach and its test system |
| CN113790872A (en) * | 2021-09-30 | 2021-12-14 | 福州大学 | Multi-test-instrument-integrated automatic display audio testing system and method |
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2005
- 2005-01-26 CN CNB2005100027522A patent/CN100536408C/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101089641B (en) * | 2007-07-12 | 2010-09-08 | 北京中星微电子有限公司 | Method, system for implementing audio-frequency equipment test |
| CN101448180B (en) * | 2007-11-26 | 2012-07-04 | 比亚迪股份有限公司 | Test system of mobile telephone speaker |
| CN102088503A (en) * | 2010-11-23 | 2011-06-08 | 北京神州腾耀通讯技术有限公司 | Surface noise testing system and testing method of LCD (liquid crystal display) screen of mobile phone |
| CN102752059A (en) * | 2011-04-19 | 2012-10-24 | 上海博泰悦臻电子设备制造有限公司 | Automatic equipment test method and system |
| CN102654420A (en) * | 2012-05-04 | 2012-09-05 | 惠州市德赛汽车电子有限公司 | Volume curve automatic test method and system thereof |
| CN102654420B (en) * | 2012-05-04 | 2014-01-08 | 惠州市德赛西威汽车电子有限公司 | Volume curve automatic test method and system thereof |
| CN104883653A (en) * | 2014-02-27 | 2015-09-02 | 广州思林杰网络科技有限公司 | Audio frequency tester, method of measuring and uploading data through the tester |
| CN105429712A (en) * | 2014-09-22 | 2016-03-23 | 惠州市德赛西威汽车电子股份有限公司 | Laboratory simulation vehicle-mounted sound equipment RDS function test method |
| CN108600929A (en) * | 2017-12-08 | 2018-09-28 | 佛山慧明电子科技有限公司 | A kind of multinomial audio frequency parameter automatic test approach and its test system |
| CN113790872A (en) * | 2021-09-30 | 2021-12-14 | 福州大学 | Multi-test-instrument-integrated automatic display audio testing system and method |
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|---|---|
| CN100536408C (en) | 2009-09-02 |
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