CN103618895B - A kind of digital television test flow generation device and method - Google Patents
A kind of digital television test flow generation device and method Download PDFInfo
- Publication number
- CN103618895B CN103618895B CN201310654589.2A CN201310654589A CN103618895B CN 103618895 B CN103618895 B CN 103618895B CN 201310654589 A CN201310654589 A CN 201310654589A CN 103618895 B CN103618895 B CN 103618895B
- Authority
- CN
- China
- Prior art keywords
- signal
- test
- streams
- module
- stream
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
The present invention relates to a kind of digital television test flow generation device and method, described device includes：TS flows memory module, for storing TS streams, and TS is streaming to signal selection module；Signal selection module, flows the TS streams for selecting corresponding TS streams as test in memory module from TS for flowing title based on TS traffic category, TS stream format, TS stream projects and TS successively；Signal transmitting module, for exporting the TS streams for the test selected through the signal selection module.The technical solution of the DTV test stream generating method is corresponded with the device.The present invention is low to requirements for hardware, and signal volume is big, and the construction cycle is short, reduces the artificial intervention in test process, improves the science and accuracy of test.
Description
Technical field
The present invention relates to digital TV technology, more particularly to a kind of digital television test flow generation device and side
Method.
Background technology
To promote China's terrestrial digital TV standard（DTMB）Popularization and application at home and abroad, study test code streams
Device, drives and promotes the test system for DTMB with this（Platform）Build, it has also become digital TV field is increasingly paid attention to
Project.
In the prior art, in DTV research and design, production, Measuring error, the transmission Chinese carrying of its test
Image information is substantially all also has many selections for static image or iterative motion image, its acoustic information carried,
Signal processing is very complicated.Therefore, during test code streams are generated, because of reasons such as signal kinds complexity, it is necessary to detect
The artificial intervention of personnel, influences the science and accuracy of detection, increases tester's labor intensity.In addition, equally because of letter
Number processing is cumbersome, in the generation of test code streams, has higher requirement to hardware system, and the construction cycle is also very long.
In view of the above-mentioned problems, the present invention proposes a kind of new digital television test flow generation device and method.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of digital television test flow generation device and method, for solving
The problems such as certainly high to requirements for hardware, labor intensity is big and the construction cycle is long in test stream generating process.
The technical solution that the present invention solves above-mentioned technical problem is as follows：A kind of digital television test flow generation device, is used for
The TS streams of DTV test, including sequentially connected TS streams memory module, signal behavior mould are obtained from the TS streams of storage
Block and signal transmitting module：
The TS flows memory module, it is used to store TS streams, and TS is streaming to signal selection module；
The signal selection module, its be used for successively based on TS traffic category, TS stream format, TS stream project and TS flow title from
Corresponding TS streams are selected to be flowed as the TS of test in TS stream memory modules；
The signal transmitting module, it is used for the TS stream choosings for exporting the test selected through the signal selection module
Select.
Based on the above technical solutions, the present invention can also be improved as follows.
Further, TS streams memory module, signal selection module and the signal transmitting module are integrated in same computer.
Further, the signal selection module includes sequentially connected signal class selection module, signal format selection mould
Block, signal item selection module and signal name selecting module, four modules are based respectively on TS traffic category, TS stream format, TS
Stream project and TS stream titles make choice TS streams.
Further, the TS traffic category includes system test signal, audio-frequency test signal and video test signals.
Further, the TS stream format includes high-definition signal and standard definition signal, described whole after TS traffic category selections are carried out
Machine test signal, audio-frequency test signal and video test signals are divided into high-definition signal and standard definition signal.
Further, on the basis of TS stream format selections are carried out, the system test signal is divided into radio frequency by TS stream projects
It is demodulation and channel decoding, demultiplexing, transmitting stream decoding, video properties, digital audio decoding, acoustic characteristic, power adaptation, whole
Machine consumption power, functional requirement and electronic program guides；The audio-frequency test signal is divided into MPEG1 layers, AC3 pairs by TS stream projects
Sound channel and AC35.1 sound channels.
Further, the signal transmitting module includes sending parameter setting module and TS sending cards, and the transmission parameter is set
Put module be used for set output test TS streams relevant parameter, the TS sending cards are for exporting the TS of the test
Stream.
Further, the signal transmitting module includes sending parameter setting module and TS sending cards, and the TS sending cards
It is inserted on the PCI slot of the mainboard of the computer, the parameter setting module that sends is used to set the TS streams for exporting test
Relevant parameter, the TS sending cards are used for the TS streams for exporting the test.
Further, the relevant parameter for sending the TS streams that parameter setting module is used to set output test specifically wraps
Include：The output speed for setting TS to flow；Transport stream packets length is set；The interface of TS sending cards, including the output of ASI interfaces, SPI are set
Interface exports and ASI/SPI interfaces export at the same time；Sending mode, including ASI continuous modes and bag burst mode are set；During setting
The input of clock benchmark is enabled.
Based on above-mentioned digital television test flow generation device, technical scheme further includes a kind of DTV test
Stream generating method, for obtaining the TS streams of DTV test from the TS of storage streams, comprises the following steps：
Step 1, the TS streams of storage are obtained；
Step 2, flowed during title is flowed from the TS of storage and selected based on TS traffic category, TS stream format, TS stream projects and TS successively
Corresponding TS streams are flowed as the TS of test；
Step 3, the TS streams for the test selected are exported.
The beneficial effects of the invention are as follows：The present invention is low to requirements for hardware, and signal volume is big, and the construction cycle is short, very
Testing cost is saved in big degree.The program is simple and practicable, reduces the artificial intervention of testing staff in test process, reduces
Labor intensity, while the human error of testing staff is preferably minimized, improve the science and accuracy of test.
Brief description of the drawings
Fig. 1 is the structure diagram of digital television test flow generation device of the present invention；
Fig. 2 is the flow diagram that DTV of the present invention tests stream generating method；
Fig. 3 is the signal behavior flow diagram of the embodiment of the present invention.
In attached drawing, parts list represented by the reference numerals is as follows：
1st, TS flows memory module, 2, signal selection module, 3, signal transmitting module, 21, signal class selection module, 22,
Signal format selecting module, 23, signal item selection module, 24, signal name selecting module, 31, send parameter setting module,
32nd, TS sending cards.
Embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
As shown in Figure 1, a kind of digital television test flow generation device is present embodiments provided, for from the TS of storage streams
The TS streams of DTV test are obtained, including sequentially connected TS streams memory module 1, signal selection module 2 and signal are sent
Module 3：
The TS flows memory module 1, it is used to store TS streams, and TS is streaming to signal selection module 2；
The signal selection module 2, it is used for successively based on TS traffic category, TS stream format, TS stream projects and TS stream titles
Flowed from TS and select corresponding TS streams to be flowed as the TS of test in memory module；
The signal transmitting module 3, it is used for the TS streams for exporting the test selected through the signal selection module 2.
Accordingly, as shown in Fig. 2, the present embodiment gives a kind of DTV test stream generating method, including it is following
Step：
Step 1, the TS streams of storage are obtained；
Step 2, flowed during title is flowed from the TS of storage and selected based on TS traffic category, TS stream format, TS stream projects and TS successively
Corresponding TS streams are flowed as the TS of test；
Step 3, the TS streams for the test selected are exported.
In the present embodiment, the technical side of the DTV test stream generating method and digital television test flow generation device
Case corresponds, its operation principle and specific implementation details are identical.
In the present embodiment, TS streams memory module 1, signal selection module 2 and the signal transmitting module 3 are integrated in same meter
In calculation machine.Also, the signal selection module includes sequentially connected signal class selection module 21, signal format selecting module
22nd, signal item selection module 23 and signal name selecting module 24, four modules are based respectively on TS traffic category, TS stream lattice
Formula, TS stream projects and TS stream titles make choice TS streams.
The TS traffic category includes system test signal, audio-frequency test signal and video test signals；The TS stream format
Including high-definition signal and standard definition signal, after TS traffic category selections are carried out, the system test signal, audio-frequency test signal and regard
Frequency test signal is divided into high-definition signal and standard definition signal；On the basis of TS stream format selections are carried out, the system test letter
Number by TS stream project be divided into radio demodulating and channel decoding, demultiplexing, transmitting stream decoding, video properties, digital audio decoding, sound
Frequency characteristic, power adaptation, complete machine consumption power, functional requirement and electronic program guides, the audio-frequency test signal are flowed by TS
Project is divided into MPEG1 layers, AC3 two-channels and AC35.1 sound channels.Finally, carried out according to TS traffic category, TS stream format, TS stream projects
TS stream names, make TS stream titles include the relevant information of TS traffic category, TS stream format and TS stream projects.
In addition, the signal transmitting module 3 includes sending parameter setting module 31 and TS sending cards 32, the transmission parameter
Setup module is used for the relevant parameter for the TS streams for setting output test, and the TS sending cards are used for the TS for exporting the test
Stream.It is described when the TS, which flows memory module 1, signal selection module 2 and signal transmitting module 3, to be integrated in same computer
TS sending cards 32 are inserted on the PCI slot of the mainboard of the computer.
Here, the relevant parameter for sending the TS streams that parameter setting module is used to set output test specifically includes：
The output speed for setting TS to flow；Transport stream packets length is set；The interface of TS sending cards, including the output of ASI interfaces, SPI is set to connect
Mouth output and ASI/SPI interfaces export at the same time；Sending mode, including ASI continuous modes and bag burst mode are set；Clock is set
Benchmark input is enabled.
According to such scheme, when it is implemented, the hardware system of the digital television test flow generation device of the present embodiment
System is made of keyboard, mouse, touch pad, display, TS sending cards, power supply, hard disk and mainboard etc., and above-mentioned hardware composing makes
With windows operating systems, TS sending cards are inserted on the PCI slot of mainboard.And software systems then will mainly complete signal behavior
Two-part content is sent with signal.
First, signal behavior
Fig. 3 is signal behavior flow, by the transport stream of test and corresponding supporting paper, picture file storage to hard disk
On, carry out signal behavior by signal attribute.Existing signal is divided into three classes according to TS traffic category：System test signal, video are surveyed
Trial signal and audio-frequency test signal.On the basis of this three classes, high-definition signal and mark are classified as by TS stream format again per a kind of
Clear signal.On the basis of TS stream format, complete machine signal presses GB26686-2011《Terrestrial DTV receiver general specification》
It is divided into radio demodulating and channel decoding, demultiplexing, transmitting stream decoding, video properties, digital audio decoding, acoustic characteristic, electricity
Source adaptability, complete machine consumption power, functional requirement, electronic program guides 10, have several corresponding signals behind each.Sound
Frequency signal is divided into MPEG1 layers 2, AC3 two-channels, AC35.1 sound channels 3 by its coding mode, have behind each it is corresponding several
Signal.Video test signals are without item dividing.After TS traffic category, TS stream format and TS flow items selection, determine corresponding
TS flows title, selects the signal to be tested by signal name, i.e. category-form-project-title carries out signal behavior.Here,
Signal name can be by User Defined, and during definition title, can with due regard to use signal format and function etc..
2nd, signal is sent
Signal is sent specifically includes tetrameric embodiment again.
First, sending card is initialized.
Secondly, it is transmitted parameter setting.The main output speed for including the TS to be sent streams is set；Transport stream packets length
Set, generally 188；The interface of sending card is set, and has the output of ASI interfaces, SPI interface output, and also ASI and SPI interface is same
When export three kinds of situations；Sending mode is set, and has the two kinds of selections of ASI continuous modes and bag burst mode；Clock reference input makes
It can set；Clock output is enabled to be set.
Again, TS sending cards send data.The byte number that TS per secondary transmission flows（buffer_length）It is to determine
, generally 188 and 204 multiple.Buffer_length bytes are read from TS streams every time, there are in buffering area, TS streams are believed
Number by pci card groove TS stream sending card provide ASI/SPI output interfaces export, become ASI data.
Finally, it is sent, discharges buffering area, stops sending.
The present invention it is low to requirements for hardware, signal volume is big, and the construction cycle is short, largely save test into
This, and reduce the artificial intervention of testing staff in test process, improve the science and accuracy of test.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of digital television test flow generation device, it is characterised in that surveyed for obtaining DTV from the TS of storage streams
TS streams on probation, including sequentially connected TS streams memory module, signal selection module and signal transmitting module：
The TS flows memory module, it is used to store TS streams, and TS is streaming to signal selection module；
The signal selection module, it is used to flow title from TS streams based on TS traffic category, TS stream format, TS stream projects and TS successively
Corresponding TS streams are selected to be flowed as the TS of test in memory module, wherein the TS traffic category includes system test signal, sound
Frequency test signal and video test signals；
The signal transmitting module, it is used for the TS streams for exporting the test selected through the signal selection module, wherein institute
Stating signal transmitting module includes sending parameter setting module and TS sending cards, and the transmission parameter setting module, which is used to set, to be exported
The relevant parameter of the TS streams of test, the TS sending cards are used for the TS streams for exporting the test；
The relevant parameter for sending the TS streams that parameter setting module is used to set output test specifically includes：
The output speed for setting TS to flow；
Transport stream packets length is set；
The interface of TS sending cards, including the output of ASI interfaces, SPI interface output and ASI/SPI interfaces is set to export at the same time；
Sending mode, including ASI continuous modes and bag burst mode are set；
Clock reference is set to input enabled.
2. according to the digital television test flow generation device described in claim 1, it is characterised in that the TS streams storage mould
Block, signal selection module and signal transmitting module are integrated in same computer.
3. digital television test flow generation device according to claim 1 or 2, it is characterised in that the signal behavior mould
Block includes sequentially connected signal class selection module, signal format selecting module, signal item selection module and signal name
Selecting module, four modules are based respectively on TS traffic category, TS stream format, TS stream projects and TS stream titles and TS streams are selected
Select.
4. digital television test flow generation device according to claim 3, it is characterised in that the TS stream format includes height
Clear signal and standard definition signal, after TS traffic category selections are carried out, the system test signal, audio-frequency test signal and video measurement
Signal is divided into high-definition signal and standard definition signal.
5. digital television test flow generation device according to claim 4, it is characterised in that carrying out TS stream format selections
On the basis of, the system test signal by TS stream projects be divided into the decoding of radio demodulating and channel, demultiplexing, transmitting stream decoding,
Video properties, digital audio decoding, acoustic characteristic, power adaptation, complete machine consumption power, functional requirement and electronic programming refer to
South；The audio-frequency test signal is divided into MPEG1 layers, 5.1 sound channel of AC3 two-channels and AC3 by TS stream projects.
6. digital television test flow generation device according to claim 2, it is characterised in that the signal transmitting module bag
Include and send parameter setting module and TS sending cards, and on the PCI slot of the TS sending cards mainboard that is inserted in the computer, it is described
The relevant parameter that parameter setting module is used to set the TS of output test to flow is sent, the TS sending cards are used to export the survey
TS streams on probation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310654589.2A CN103618895B (en) | 2013-12-06 | 2013-12-06 | A kind of digital television test flow generation device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310654589.2A CN103618895B (en) | 2013-12-06 | 2013-12-06 | A kind of digital television test flow generation device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103618895A CN103618895A (en) | 2014-03-05 |
| CN103618895B true CN103618895B (en) | 2018-04-24 |
Family
ID=50169599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310654589.2A Active CN103618895B (en) | 2013-12-06 | 2013-12-06 | A kind of digital television test flow generation device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103618895B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110944168A (en) * | 2019-11-28 | 2020-03-31 | 北京牡丹视源电子有限责任公司 | 8K test signal generation device and method, storage medium and equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2634758Y (en) * | 2003-07-28 | 2004-08-18 | 北京牡丹视源电子有限责任公司 | HDTV signal generator |
| CN1551640A (en) * | 2003-05-13 | 2004-12-01 | ���ǵ�����ʽ���� | Test stream generating method and apparatus for supporting various standards and testing levels |
| CN1917593A (en) * | 2005-08-19 | 2007-02-21 | 上海乐金广电电子有限公司 | Memory for delivering stream data, broadcast control device, and method |
| CN201540695U (en) * | 2009-07-31 | 2010-08-04 | 深圳市通普科技有限公司 | Display system |
| CN101996117A (en) * | 2009-08-27 | 2011-03-30 | 鸿富锦精密工业（深圳）有限公司 | Computer test system and method thereof |
| CN103124365A (en) * | 2011-11-18 | 2013-05-29 | 北京牡丹视源电子有限责任公司 | Energy efficiency testing signal generating device of flat panel television |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100490154B1 (en) * | 2002-04-13 | 2005-05-16 | 엘지전자 주식회사 | DTV Test Stream Generator |
| CN101035303A (en) * | 2006-03-10 | 2007-09-12 | 鸿富锦精密工业（深圳）有限公司 | Testing method of multimedia device |
| CN101360253A (en) * | 2007-07-31 | 2009-02-04 | 青岛海信电器股份有限公司 | Television automatic test method and system |
| CN201251781Y (en) * | 2008-07-23 | 2009-06-03 | 英业达科技有限公司 | Signal measuring device |
| CN101651843A (en) * | 2008-08-13 | 2010-02-17 | 北京牡丹视源电子有限责任公司 | Device and method for generating television test signal |
| CN101540928B (en) * | 2009-05-07 | 2012-05-09 | 北京牡丹视源电子有限责任公司 | Digital television test signal generator and play method thereof |
-
2013
- 2013-12-06 CN CN201310654589.2A patent/CN103618895B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1551640A (en) * | 2003-05-13 | 2004-12-01 | ���ǵ�����ʽ���� | Test stream generating method and apparatus for supporting various standards and testing levels |
| CN100352289C (en) * | 2003-05-13 | 2007-11-28 | 三星电子株式会社 | Test stream generating method and apparatus for supporting various standards and testing levels |
| CN2634758Y (en) * | 2003-07-28 | 2004-08-18 | 北京牡丹视源电子有限责任公司 | HDTV signal generator |
| CN1917593A (en) * | 2005-08-19 | 2007-02-21 | 上海乐金广电电子有限公司 | Memory for delivering stream data, broadcast control device, and method |
| CN201540695U (en) * | 2009-07-31 | 2010-08-04 | 深圳市通普科技有限公司 | Display system |
| CN101996117A (en) * | 2009-08-27 | 2011-03-30 | 鸿富锦精密工业（深圳）有限公司 | Computer test system and method thereof |
| CN103124365A (en) * | 2011-11-18 | 2013-05-29 | 北京牡丹视源电子有限责任公司 | Energy efficiency testing signal generating device of flat panel television |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103618895A (en) | 2014-03-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106910486B (en) | The method and system of display port is mapped on a wireless interface | |
| CN104660617B (en) | A kind of data transmission system and method | |
| CN104461813B (en) | UVM is accelerated to verify convergent method using function coverage negative-feedback | |
| CN107193769A (en) | A kind of data receiving-transmitting system based on ASI interfaces | |
| CN116470993B (en) | Quality determining device and method for original data of remote sensing satellite | |
| CN103139553A (en) | Device of multimedia signal transmission and conversion and system thereof | |
| CN106470355A (en) | The method that MPEG TS is sent and received on thunder and lightning cable | |
| CN103618895B (en) | A kind of digital television test flow generation device and method | |
| CN105516712A (en) | Audio and video decoding chip test platform and method | |
| CN110460889A (en) | A kind of video throws screen method, apparatus, system and storage medium | |
| CN103647761B (en) | Method and device for marking audio record, and terminal, server and system | |
| CN103024367B (en) | Low-voltage differential signaling (LVDS) receiver, transmitter and method for receiving and transmitting LVDS | |
| CN201742430U (en) | High-speed parallel error rate detector | |
| CN101296373B (en) | Multimedia data processing system and method based on material exchange format | |
| CN103220555B (en) | The sorting technique of a kind of digital cable customers, Apparatus and system | |
| CN101379820B (en) | Method and apparatus for forming DVB-H signal with wishful bit rate | |
| CN206195978U (en) | Digit set -top box | |
| CN206251273U (en) | A kind of MHL to HDMI patchcords detector | |
| CN202172447U (en) | Expandable multi-path input/output matrix server | |
| CN103036738B (en) | A kind of verification system and verification method thereof | |
| CN104581147A (en) | HDMI and MIPI functions mutually testing method and device | |
| CN209330259U (en) | Embedded video processing unit and multimedia equipment | |
| CN101568003B (en) | Method and system for receiving and displaying early warning information and digital television receiver | |
| TW201207623A (en) | Transmission interface and system using the same | |
| CN201107858Y (en) | Video matrix mainframe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |