CN102487450A - Test method for testing control function of satellite television signal receiver of set top box and system thereof - Google Patents
Test method for testing control function of satellite television signal receiver of set top box and system thereof Download PDFInfo
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- CN102487450A CN102487450A CN2010105707152A CN201010570715A CN102487450A CN 102487450 A CN102487450 A CN 102487450A CN 2010105707152 A CN2010105707152 A CN 2010105707152A CN 201010570715 A CN201010570715 A CN 201010570715A CN 102487450 A CN102487450 A CN 102487450A
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Abstract
The invention provides a system for testing the control function of a satellite television signal receiver of a set top box, which is characterized in that the set top box is controlled by a control module to send a control signal to a receiving and demodulation module, the receiving and demodulation module separates the vertical level voltage, 22k signal and DisEqc (Digital Satellite Equipment Control) command signal in the received control signal from a television signal, then respectively sends the signals to an analysis module and a decoding module, and the analysis module calculates the offset amplitude of the vertical level voltage and the frequency amplitude of the 22k signal through analysis; and the decoding module demodulates the DisEqc command, then compares and judges the above LNB (Low Noise Block) vertical level voltage, the 22k signal and the DisEqc command signal with all the index values specified by the testing standard, and outputs the test result. Adopting the scheme, since all the tests are fast and accurately completed through a machine, the test efficiency and the test accuracy can be improved, thus the defects that the efficiency of manual test is low and the test result is unstable can be avoided.
Description
Technical field
The present invention relates to measuring technology, relate in particular to the method for testing and the system of the satellite TV signal receiver controlled function of STB.
Background technology
Satellite set top box is widely used; In order to better meet the requirement of people to video quality; Before dispatching from the factory, all to pass through each satellite television STB strict test; Certainly also will pass through strict test to the controlled function of satellite receiver, existing test satellite TV receiver controlled function all is that the tester accomplishes by hand, and promptly the tester receives a special demodulating module with satellite TV receiver high-frequency signal input; Said demodulation module comprises that 22kHz separates the demodulation of mediation DiSEqc signal; Through opening and closed condition of conversion passage, whether the tester uses universal instrument to measure offset voltage and exports through the passage of appointment, thereby judges whether the satellite modules function is intact.Owing to lean on artificial operation fully, its testing efficiency is low on the one hand for this method.On the other hand, test result leans on artificial subjective judgement to decide fully, so test result is unstable, accuracy rate is low.
Summary of the invention
The present invention provides a kind of test macro of satellite TV signal receiver controlled function of STB, and this system can either practice thrift human cost, improve testing efficiency, also can improve accuracy rating of tests.
The present invention also provides a kind of method of testing of satellite TV signal receiver controlled function of STB, and this method can either practice thrift human cost, improve testing efficiency, also can improve accuracy rating of tests.
A kind of test macro of satellite TV signal receiver controlled function of STB, this system comprises:
Control module is used for the controller top box and transmits control signal to the satellite TV signal receiver;
The receiving demodulation module is used for receiving set up box to the control signal that satellite receiver sends, and vertical-horizontal voltage and 22k signal is separated from TV signal after receiving signal, and is sent to analysis module; DiSEqc signal in the signal is sent to decoder module;
Said decoder module is gathered decoding to analog D iSEqc signal, converts the logical signal of numeral to, and is reduced in the field after the command signal, exports judge module to;
Vertical-horizontal voltage signal and 22K signal that said analysis module is separated receiver module carry out collection analysis, and the amplitude that calculates the vertical-horizontal biasing exports judge module 16 to after 22K signal frequency amplitude;
Said judge module advances the amplitude of 22K signal frequency amplitude of exporting and vertical-horizontal voltage bias and each desired value of testing standard defined relatively to judge, outputs test result.
A kind of method of testing of satellite TV signal receiver controlled function of STB, this method comprises:
Produce control signal, and the controller top box transmits control signal;
The control signal that receiving set up box sends is separated vertical-horizontal voltage and 22k signal from TV signal;
Vertical-horizontal voltage signal that collection analysis is separated and 22K signal calculate amplitude and 22K signal frequency amplitude that vertical-horizontal is setovered;
The 22K signal frequency amplitude of output and each desired value of vertical-horizontal voltage end value and testing standard defined are advanced relatively to judge, output test result.
Can find out that from such scheme the present invention tests the satellite TV receiver controlled function through the test macro direct convenience that it provided efficiently, its do not need artificial one one carry out the subjective judgement signal quality.So its testing efficiency is high, practice thrift human cost, test the accuracy rate height simultaneously.
Description of drawings
Fig. 1 is the structural representation of test macro of the present invention.
Fig. 2 is the schematic flow sheet of method of testing of the present invention.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, below in conjunction with embodiment and accompanying drawing, to further explain of the present invention.
The present invention provides a kind of test macro of satellite TV signal controlled function of STB; It transmits control signal to the receiving demodulation module through control module controller top box; The receiving demodulation module sends to analysis module after the vertical-horizontal voltage in the control signal that receives and 22K signal are separated from TV signal, analysis module is calculated the biasing amplitude of vertical-horizontal voltage and the Frequency and Amplitude of 22K signal through analysis meter; Demodulation module sends to decoder module with the analog D iSEqc signal in the control signal that receives, and decoder module is gathered decoding to it, converts the signal of numeral to, and is reduced to the command signal in the field; 22K signal, DiSEqc signal and the vertical-horizontal voltage end value of analysis module and decoder module being calculated through judge module again and each desired value of testing standard defined compare judgement, output test result.Adopt such scheme, because all tests all are to accomplish fast and accurately through machine, thus improved testing efficiency and test accuracy, thus avoided manual testing's efficient low, the unsettled defective of test result.
Referring to Fig. 1, be the structural representation of satellite TV signal test macro of the present invention, this system 10 comprises control module 11, receives and reconcile module 13, decoder module 14, analysis module 15, judge module 16.
Receiving demodulation module 13 is to be used for receiving set up box to the control signal that satellite receiver sends, and vertical-horizontal voltage and 22k signal is separated from TV signal after receiving signal, and is sent to analysis module 15; DiSEqc signal in the signal is sent to decoder module 14.
14 couples of analog D iSEqc of decoder module signal is gathered decoding; Convert the logical signal of numeral to, and be reduced in the field after the command signal, export judge module 16 to; Judge module 16 compares analysis with the signal parameter of output with corresponding testing standard value, outputs test result.
Vertical-horizontal voltage signal and 22K signal that analysis module 15 is separated receiver module carry out collection analysis, and the amplitude that calculates the vertical-horizontal biasing exports judge module 16 to after 22K signal frequency amplitude;
Adopt such test macro, all tests all are to accomplish fast and accurately through machine, and it has improved testing efficiency, and each index is owing to all through accurately calculating, so test result is accurate, avoided the unsteadiness of manual testing's test result.
Referring to Fig. 2, be the method for testing indicative flowchart of STB satellite TV signal receiver controlled function of the present invention, this method may further comprise the steps:
Step S200 produce control signal, and the controller top box transmits control signal;
The control signal that step S202, receiving set up box send is separated vertical-horizontal voltage and 22k signal from TV signal;
The vertical-horizontal voltage signal that step S204, collection analysis separate calculates the amplitude of biasing;
Step S204 ' gathers decoding analog D iSEqc signal, converts the logical signal of numeral to, and is reduced to command signal in the field;
Step S206 compares judgement with each desired value of 22K signal and LNB vertical-horizontal voltage end value and testing standard defined, and the result is forfeited in output;
The DiSEqc signal of output is compared judgement with corresponding testing standard value, the output judged result.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being made, is equal to replacement, improvement etc., all should be included within the scope that the present invention protects.
Claims (6)
1. the test macro of the satellite TV signal receiver controlled function of a STB is characterized in that said system comprises:
Control module is used for the controller top box and transmits control signal to the satellite TV signal receiver;
The receiving demodulation module is used for receiving set up box to the control signal that satellite receiver sends, and vertical-horizontal voltage, 22k signal is separated from TV signal after receiving signal, and is sent to analysis module;
Vertical-horizontal voltage signal and 22K signal that analysis module is separated the receiving demodulation module carry out collection analysis, and the amplitude that calculates the vertical-horizontal biasing exports judge module to after 22K signal frequency amplitude;
Said judge module advances the amplitude of 22K signal frequency amplitude of exporting and vertical-horizontal voltage bias and each desired value of testing standard defined relatively to judge, outputs test result.
2. the test macro of the satellite TV signal receiver controlled function of a STB is characterized in that said system comprises:
Control module is used for the controller top box and transmits control signal to the satellite TV signal receiver;
The receiving demodulation module is used for receiving set up box to the control signal that satellite receiver sends, and the DiSEqc command signal in the signal is sent to decoder module after receiving signal;
Said decoder module is gathered decoding to analog D iSEqc signal, converts the logical signal of numeral to, and is reduced in the field after the command signal, exports judge module to;
Said judge module advances each desired value of DiSEqc command signal end value that receives and testing standard defined relatively to judge, outputs test result.
3. the test macro of the satellite TV signal receiver controlled function of a STB is characterized in that said system comprises:
Control module is used for the controller top box and transmits control signal to the satellite TV signal receiver;
The receiving demodulation module is used for receiving set up box to the control signal that satellite receiver sends, and vertical-horizontal voltage and 22k signal is separated from TV signal after receiving signal, and is sent to analysis module; DiSEqc signal in the signal is sent to decoder module;
Said decoder module is gathered decoding to analog D iSEqc signal, converts the logical signal of numeral to, and is reduced in the field after the command signal, exports judge module to;
Vertical-horizontal voltage signal and 22K signal that said analysis module is separated the receiving demodulation module carry out collection analysis, and the amplitude that calculates the vertical-horizontal biasing exports judge module to after 22K signal frequency amplitude;
Said judge module compares judgement, the output judged result with the biasing amplitude of the vertical-horizontal voltage of receiving and 22K signal frequency amplitude and DiSEqc signal results value and testing standard set quota value.
4. the method for testing of the satellite TV signal receiver controlled function of a STB is characterized in that this method comprises:
Produce control signal, and the controller top box transmits control signal;
The control signal that receiving set up box sends is separated vertical-horizontal voltage and 22k signal from TV signal;
Collection analysis is separated vertical-horizontal voltage signal and 22K signal, calculates the amplitude and the 22K signal frequency amplitude of vertical-horizontal biasing;
The amplitude of 22K signal frequency amplitude and vertical-horizontal voltage bias and each desired value of testing standard defined are compared judgement, and the result is forfeited in output.
5. the method for testing of the satellite TV signal receiver controlled function of a STB is characterized in that this method comprises:
Produce control signal, and the controller top box transmits control signal;
The control signal that receiving set up box sends;
Gather decoding analog D iSEqc signal, convert the logical signal of numeral to, and be reduced to command signal in the field;
The DiSEqc signal of output is compared judgement with corresponding testing standard value, the output judged result.
6. the method for testing of the satellite TV signal receiver controlled function of a STB is characterized in that this method comprises:
Produce control signal, and the controller top box transmits control signal;
The control signal that receiving set up box sends is separated vertical-horizontal voltage and 22k signal from TV signal;
Collection analysis is separated vertical-horizontal voltage signal and 22K signal, calculates the amplitude and the 22K signal frequency amplitude of vertical-horizontal biasing;
Gather decoding analog D iSEqc signal, convert the logical signal of numeral to, and be reduced to command signal in the field;
Compare judgement with the amplitude of 22K signal frequency amplitude and vertical-horizontal voltage bias and with the DiSEqc signal results value of output and each desired value of testing standard defined, the result is forfeited in output.
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105657411A (en) * | 2014-12-02 | 2016-06-08 | 深圳Tcl数字技术有限公司 | TV and TV feed detection method |
CN109413419A (en) * | 2018-12-13 | 2019-03-01 | 湖南国科微电子股份有限公司 | Set-top box Beidou receptivity test device and method |
CN109547778A (en) * | 2018-12-27 | 2019-03-29 | 湖南国科微电子股份有限公司 | Set-top box testing device |
CN109743567A (en) * | 2018-12-28 | 2019-05-10 | 南通同洲电子有限责任公司 | A kind of satellite set top box LNB signal testing tool fixture and test method |
CN111083398A (en) * | 2019-12-25 | 2020-04-28 | 深圳Tcl新技术有限公司 | Automatic testing method and system for television, storage medium and electronic equipment |
CN111586374A (en) * | 2020-05-20 | 2020-08-25 | 江苏银河数字技术有限公司 | Satellite receiver system and control method thereof |
CN115150609A (en) * | 2022-08-31 | 2022-10-04 | 深圳市华曦达科技股份有限公司 | Satellite television equipment state detection method and device |
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CN201072865Y (en) * | 2007-06-07 | 2008-06-11 | 深圳市同洲电子股份有限公司 | Satellite receiver testing circuit |
CN201418118Y (en) * | 2009-06-19 | 2010-03-03 | 惠州市伟乐科技有限公司 | Digital television radiofrequency signal converter |
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CN101106730A (en) * | 2006-07-11 | 2008-01-16 | 百一电子股份有限公司 | Signal testing method for video/audio receiving device |
CN201072865Y (en) * | 2007-06-07 | 2008-06-11 | 深圳市同洲电子股份有限公司 | Satellite receiver testing circuit |
CN201418118Y (en) * | 2009-06-19 | 2010-03-03 | 惠州市伟乐科技有限公司 | Digital television radiofrequency signal converter |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105657411A (en) * | 2014-12-02 | 2016-06-08 | 深圳Tcl数字技术有限公司 | TV and TV feed detection method |
CN109413419A (en) * | 2018-12-13 | 2019-03-01 | 湖南国科微电子股份有限公司 | Set-top box Beidou receptivity test device and method |
CN109547778A (en) * | 2018-12-27 | 2019-03-29 | 湖南国科微电子股份有限公司 | Set-top box testing device |
CN109743567A (en) * | 2018-12-28 | 2019-05-10 | 南通同洲电子有限责任公司 | A kind of satellite set top box LNB signal testing tool fixture and test method |
CN111083398A (en) * | 2019-12-25 | 2020-04-28 | 深圳Tcl新技术有限公司 | Automatic testing method and system for television, storage medium and electronic equipment |
CN111586374A (en) * | 2020-05-20 | 2020-08-25 | 江苏银河数字技术有限公司 | Satellite receiver system and control method thereof |
CN115150609A (en) * | 2022-08-31 | 2022-10-04 | 深圳市华曦达科技股份有限公司 | Satellite television equipment state detection method and device |
CN115150609B (en) * | 2022-08-31 | 2022-12-13 | 深圳市华曦达科技股份有限公司 | Satellite television equipment state detection method and device |
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Application publication date: 20120606 |