CN108156517A - The method and television set of data flow control are realized based on DLED television sets - Google Patents
The method and television set of data flow control are realized based on DLED television sets Download PDFInfo
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- CN108156517A CN108156517A CN201711477951.8A CN201711477951A CN108156517A CN 108156517 A CN108156517 A CN 108156517A CN 201711477951 A CN201711477951 A CN 201711477951A CN 108156517 A CN108156517 A CN 108156517A
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- Prior art keywords
- dled
- streams
- processing module
- tuner
- television sets
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
- H04N21/4383—Accessing a communication channel
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
- H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
- H04N21/4385—Multiplex stream processing, e.g. multiplex stream decrypting
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
- H04N21/4385—Multiplex stream processing, e.g. multiplex stream decrypting
- H04N21/43853—Multiplex stream processing, e.g. multiplex stream decrypting involving multiplex stream decryption
Abstract
The present invention discloses a kind of method and television set that data flow control is realized based on DLED television sets, and method includes：The TV tuner receives the TS streams for supporting DVB T2 standards；The processing module parses the area identification in the TS streams；The processing module is in the area identification for identifying the distinctive mark and belonging to forcible authentication, then to by TV tuner, treated that TS streams carry out audio/video decoding；The number trigger circuit is based on wake-up signal driving DLED displays and is worked based on DLED driving circuits；The DLED displays show that the TS after audio/video decoding flows under the support of DLED driving circuits.The embodiment of the present invention supports DLED functions of television set diversity, has ensured that region inputs decoded safety.
Description
Technical field
The present invention relates to digital TV technology more particularly to a kind of data flow control is realized based on DLED television sets
Method and television set.
Background technology
Broadcast technology just moves towards rapidly digital Age, and radio and television, telecommunications, field of computer technology are also constantly mutually being oozed
Thoroughly, it merges, these all make original radio data system and technology that the variation of essence have occurred.The transmission of digital television signal
It is the hot spot of current research and commercialization with reception and video decoding techniques.DVB-T reception of Mobile Digital TV system can connect
DVB-T digital television programs are received, realizes and high definition or SD electricity is decoded and played in real time on PC or in embedded system
Depending on the MPEG-2 vision signals and audio signal of image quality, it is suitble to micro computer TV reception, and reception can be moved, this
To sized enterprises in chinese DTV industry is promoted to be of great significance.
According to national broadcast television product quality supervision and inspection center expert introduction, LED light source technology is in LCD TV at present
There are mainly three types of modes for the application in field：Straight-down negative three primary colors RGB-LED light sources, straight-down negative White LED light source and side entering type are white
Color LED light source.
The arrival that existing direct LED backlight (DLED) television set is popularized, can be fine in conjunction with DVB-T2 technologies
Expansion digital television display play and other effects, but it is existing support DVB-T2 DLED television sets on functional requirement still
User demand cannot be met very well, the property in view of different zones data flow is needed and consider to decrypt safety accordingly, and
Ensure the safety of entire information flow output, and DLED TVs can not be realized at present.
Invention content
The technical problem to be solved by the present invention is in face of existing DLED TV functionalities deficiency, provide one kind and be based on
DLED television sets realize the method and television set of data flow control, so as to support DLED functions of television set diversity, ensure
Region inputs decoded safety.
The purpose of the present invention is achieved through the following technical solutions：
The present invention implements to provide a kind of method for realizing data flow control based on DLED television sets, the DLED television sets
Including：TV tuner, the TV tuner are connected to processing module, the processing module be connected to digital trigger circuit,
DLED driving circuits, the number trigger circuit are connected to DLED display screens, and the DLED driving circuits are connected to DLED and show
Screen, method include：
The TV tuner receives the TS streams for supporting DVB-T2 standards, and the TV tuner is received after TS flows to described
TS streams carry out High frequency amplification, compare processing, channel decoding and demodulation；
The processing module parses the area identification in the TS streams, and judges whether the area identification is by forcing
The area identification of certification if the area identification of forcible authentication, then generates wake-up signal and is sent in digital trigger circuit；
The processing module is in the area identification for identifying the distinctive mark and belonging to forcible authentication, then to passing through TV tune
Humorous device treated TS streams carry out audio/video decoding；
The number trigger circuit is based on wake-up signal driving DLED displays and is based on DLED driving circuits progress work
Make；
The DLED displays show that the TS after audio/video decoding flows under the support of DLED driving circuits.
The processing module is also connected with stand-by circuit, and the method further includes：
After the processing module does not receive TS stream progress audio/video decodings persistently within the preset time, standby letter is generated
Number, and the standby signal is sent to stand-by circuit；
The stand-by circuit controls DLED television sets to enter standby mode according to the standby signal.
The TS streams are made of packet header and load, and the packet header includes a sync byte SYNC1 and three other bytes,
Described three other bytes are described to load the MPEG-2 data for including 184 bytes for business identification, scrambling and control information.
Described pair carries out audio/video decoding by TV tuner treated TS streams and further includes：
, noise preposition to frequency method, video detection, video in being carried out by TV tuner treated TS streams eliminate and
Automatic gain processing.
Described pair carries out audio/video decoding by TV tuner treated TS streams and further includes：
Parsing vision signal exports corresponding tri- tunnels of RGB of the vision signal and regards to carry out pal mode decoding from TS streams
Frequency plays according to this for DLED displays.
Correspondingly, the present invention also provides a kind of DLED television sets, the DLED television sets include：TV tuner, institute
It states TV tuner and is connected to processing module, the processing module is connected to digital trigger circuit, DLED driving circuits, the number
Code trigger circuit is connected to DLED display screens, and the DLED driving circuits are connected to DLED display screens, wherein：
The TV tuner supports the TS streams of DVB-T2 standards for receiving, and the TS is flowed into after TS streams are received
Row High frequency amplification compares processing, channel decoding and demodulation；
The processing module is used to parse the area identification in TS stream, and judge the area identification whether be by
The area identification of forcible authentication if the area identification of forcible authentication, then generates wake-up signal and is sent in digital trigger circuit；
And in the area identification for identifying the distinctive mark and belonging to forcible authentication, then to by TV tuner, treated that TS flows
Carry out audio/video decoding；
The number trigger circuit be used for based on wake-up signal driving DLED displays be based on DLED driving circuits into
Row work；
The DLED displays are for TS stream of the display after audio/video decoding under the support of DLED driving circuits.
The DLED television sets further include stand-by circuit, and the processing module is connected to stand-by circuit；
The processing module is additionally operable to after not receiving TS stream progress audio/video decodings persistently within the preset time, and generation is treated
Machine signal, and the standby signal is sent to stand-by circuit；
The stand-by circuit is used to DLED television sets be controlled to enter standby mode according to the standby signal.
The TS streams are made of packet header and load, and the packet header includes a sync byte SYNC1 and three other bytes,
Described three other bytes are described to load the MPEG-2 data for including 184 bytes for business identification, scrambling and control information.
The processing module be additionally operable to frequency method in being carried out by TV tuner treated TS streams, video detection,
Video is preposition, noise is eliminated and automatic gain processing.
The processing module is additionally operable to parse vision signal in flowing from TS to carry out pal mode decoding, exports the video
The corresponding tri- road video datas of RGB of signal play for DLED displays.
Compared with prior art, the data during DLED television sets first flow TS in the present invention are carried out using TV tuner
Tuning comes so that TS data flows can be decoded normally in the processor.And processor is first to the region in TS streams
Mark is parsed, if area identification is the area identification for belonging to forcible authentication, which is that can enter audio and video
Decoding process, it is this to avoid not every TS data flows and normally be decoded to play, ensure that DLED televises
TS stream safety.This area identification with forcible authentication is to be examined to approve by official authorization, and DVB-T2 standards
TS streams different area identifications is provided in different zones, and corresponding region can only play the letter of televising authorized
Number.It after area identification is identified, then triggers processing module and carries out audio/video decoding, also generate wake-up signal and start DLED electricity
Depending on entering normal display broadcast state, so as to ensure that the TS streams authorized can be normally to playing on DLED displays, and do not award
The TS streams of power, which cannot be introduced on DLED displays, to be played, and is directly terminated at audio and video solution of the processing module without TV signal
Code, it is in running order not start entire DLED displays yet.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the DLED television structure schematic diagrames of the embodiment of the present invention；
Fig. 2 is the method flow diagram that data flow control is realized based on DLED television sets of the embodiment of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
Correspondingly, Fig. 1 shows the DLED television structure schematic diagrames in the embodiment of the present invention, in total design,
Including：TV tuner, the TV tuner are connected to processing module, which is connected to digital trigger circuit, DLED
Driving circuit, the number trigger circuit are connected to DLED display screens, which is connected to DLED display screens, wherein：
The TV tuner supports the TS streams of DVB-T2 standards for receiving, and the TS is flowed after TS streams are received and is carried out
High frequency amplification compares processing, channel decoding and demodulation；
The processing module is used to parse the area identification in the TS streams, and judge whether area identification is to recognize by pressure
The area identification of card if the area identification of forcible authentication, then generates wake-up signal and is sent in digital trigger circuit；And
Identify that the distinctive mark belongs to the area identification of forcible authentication, then to carrying out sound by TV tuner treated TS streams
Video decodes；
The number trigger circuit is used to carry out based on DLED driving circuits based on wake-up signal driving DLED displays
Work；
The DLED displays are for TS stream of the display after audio/video decoding under the support of DLED driving circuits.
It should be noted that area identification here can be set according to administrative region, for example, Chinese province, city and region this
Setting area mark is carried out in kind region, can also be set according to name race ingredient, is set such as Jew and Palestinian
Different area identifications, lower the exported content of support area mark will not be played to different groups by mistake, can also basis
Language element is set, and is set, is met not such as Spanish, Portuguese, the Spanish in South America region
With crowd's viewing under language element.
In specific implementation process, which further includes stand-by circuit, which is connected to stand-by circuit；It should
Processing module is additionally operable to after not receiving TS stream progress audio/video decodings persistently within the preset time, generates standby signal, and will
Standby signal is sent to stand-by circuit；The stand-by circuit is used to DLED television sets be controlled to enter standby shape according to the standby signal
State.For example after processing module does not receive TS streams in one minute, standby signal can be generated, treat electromechanics so as to which standby signal be sent to
Road is controlled entire DLED television sets to enter standby mode by stand-by circuit.
In specific implementation process, TS streams are made of packet header and load, which includes a sync byte SYNC1 and three
Other a bytes, three other bytes include the MPEG- of 184 bytes for business identification, scrambling and control information, the load
2 data.
In specific implementation process, which is additionally operable to carrying out intermediate frequency side by TV tuner treated TS streams
Method, video detection, video are preposition, noise is eliminated and automatic gain processing.
In specific implementation process, which is additionally operable to parse vision signal in flowing from TS to carry out line-by-line inversion
(Phase Alternation Line, PAL) standard decode, export the corresponding tri- road video datas of RGB of the vision signal with
It is played in DLED displays.
Fig. 2 shows the method flow diagram that data flow control is realized based on DLED television sets in the embodiment of the present invention, packets
Include following steps：
DLED television sets in the embodiment of the present invention include：TV tuner, TV tuner are connected to processing module, institute
It states processing module and is connected to digital trigger circuit, DLED driving circuits, the number trigger circuit is connected to DLED display screens, institute
It states DLED driving circuits and is connected to DLED display screens, method includes：
S201, TV tuner receive the TS streams for supporting DVB-T2 standards, and the TV tuner is received after TS flows to institute
TS streams are stated to carry out High frequency amplification, compare processing, channel decoding and demodulation；
S202, processing module parse the area identification in the TS streams；
S203, judge whether the area identification is area identification by forcible authentication, if the region of forcible authentication
Mark, then into S204, otherwise continue S203；
It should be noted that if being the area identification of forcible authentication, then TS can be flowed into the audio and video of next step
Decoding process before audio/video decoding course, needs to carry out wake operation to entire DLED television sets, is allowed to meet TV and shows
Show broadcasting.
S204, generation wake-up signal are sent in digital trigger circuit；
S205, processing module are in the area identification for identifying the distinctive mark and belonging to forcible authentication, then to passing through TV
Tuner treated TS streams carry out audio/video decoding；
In specific implementation process, this is further included to carrying out audio/video decoding by TV tuner treated TS streams：It is right
Frequency method, video detection, video be preposition in being carried out by TV tuner treated TS streams, noise is eliminated and automatic gain at
Reason.
In specific implementation process, this is further included to carrying out audio/video decoding by TV tuner treated TS streams：From
Parsing vision signal to be to carry out pal mode decoding in TS streams, export the corresponding tri- road video datas of RGB of the vision signal with
It is played in DLED displays.
S206, digital trigger circuit are based on wake-up signal driving DLED displays and are based on DLED driving circuits progress work
Make；
S207, DLED display show that the TS after audio/video decoding flows under the support of DLED driving circuits.
It should be noted that after processing module does not receive TS stream progress audio/video decodings persistently within the preset time, it is raw
Stand-by circuit is sent into standby signal, and by the standby signal；The stand-by circuit controls DLED according to the standby signal
Television set enters standby mode.
TS streams in the embodiment of the present invention are made of packet header and load, which includes a sync byte SYNC1 and three
Other a bytes, described three other bytes include 184 bytes for business identification, scrambling and control information, the load
MPEG-2 data.Compared with prior art, the data during DLED television sets first flow TS in the present invention use TV tuner
It is tuned, comes so that TS data flows can be decoded normally in the processor.And during processor first flows TS
Area identification is parsed, if area identification is the area identification for belonging to forcible authentication, which is that can enter sound
Video decoding process, it is this to avoid not every TS data flows and normally be decoded to play, ensure DLED TVs
The safety of the TS streams of broadcasting.This area identification with forcible authentication is to be examined to approve by official authorization, and DVB-T2
The TS streams of standard are provided with different area identifications in different zones, and corresponding region can only play authorized TV and broadcast
Discharge signal.After area identification is identified, then trigger processing module and carry out audio/video decoding, also generate wake-up signal and start
DLED TVs enter normal display broadcast state, so as to ensured the TS streams authorized can normally to playing on DLED displays,
And the TS streams of unauthorized cannot be introduced on DLED displays and play, and be directly terminated at sound of the processing module without TV signal
Video decodes, and it is in running order not start entire DLED displays yet.
The method and television set that data flow control is realized based on DLED television sets provided above the embodiment of the present invention
Be described in detail, specific case used herein is expounded the principle of the present invention and embodiment, more than it is real
The explanation for applying example is merely used to help understand the method and its core concept of the present invention；Meanwhile for the general technology of this field
Personnel, thought according to the present invention, there will be changes in specific embodiments and applications, in conclusion this theory
Bright book content should not be construed as limiting the invention.
Claims (10)
- A kind of 1. method that data flow control is realized based on DLED television sets, which is characterized in that the DLED television sets include：Electricity Depending on tuner, the TV tuner is connected to processing module, and the processing module is connected to digital trigger circuit, DLED drivings Circuit, the number trigger circuit are connected to DLED display screens, and the DLED driving circuits are connected to DLED display screens, method Including：The TV tuner receives the TS streams for supporting DVB-T2 standards, and the TV tuner flows the TS after receiving TS streams It carries out High frequency amplification, compare processing, channel decoding and demodulation；The processing module parses the area identification in the TS streams, and judges whether the area identification is by forcible authentication Area identification, if the area identification of forcible authentication, then generate wake-up signal and be sent in digital trigger circuit；The processing module is in the area identification for identifying the distinctive mark and belonging to forcible authentication, then to passing through TV tuner Treated, and TS streams carry out audio/video decoding；The number trigger circuit is based on wake-up signal driving DLED displays and is worked based on DLED driving circuits；The DLED displays show that the TS after audio/video decoding flows under the support of DLED driving circuits.
- 2. the method for data flow control is realized based on DLED television sets as described in claim 1, which is characterized in that the processing Module is also connected with stand-by circuit, and the method further includes：After the processing module does not receive TS stream progress audio/video decodings persistently within the preset time, standby signal is generated, and The standby signal is sent to stand-by circuit；The stand-by circuit controls DLED television sets to enter standby mode according to the standby signal.
- 3. the method for data flow control is realized based on DLED television sets as claimed in claim 2, which is characterized in that the TS streams It is made of packet header and load, the packet header includes a sync byte SYNC1 and three other bytes, described three other bytes It is described to load the MPEG-2 data for including 184 bytes for business identification, scrambling and control information.
- 4. the method for data flow control is realized based on DLED television sets as claimed in claim 3, which is characterized in that described pair of warp It crosses TV tuner treated TS streams and carry out audio/video decoding and further include：, noise preposition to frequency method, video detection, video in being carried out by TV tuner treated TS streams is eliminated and automatic Gain process.
- 5. the method for data flow control is realized based on DLED television sets as claimed in claim 4, which is characterized in that described pair of warp It crosses TV tuner treated TS streams and carry out audio/video decoding and further include：Parsing vision signal exports the corresponding tri- road video counts of RGB of the vision signal to carry out pal mode decoding from TS streams It is played according to this for DLED displays.
- 6. a kind of DLED television sets, which is characterized in that the DLED television sets include：TV tuner, the TV tuner Processing module is connected to, the processing module is connected to digital trigger circuit, DLED driving circuits, and the number trigger circuit connects Then DLED display screens, the DLED driving circuits are connected to DLED display screens, wherein：The TV tuner flows the TS after TS streams are received and carries out height for receiving the TS streams of support DVB-T2 standards Frequency amplifies, compares processing, channel decoding and demodulation；The processing module is used to parse the area identification in the TS streams, and judges whether the area identification is by forcing The area identification of certification if the area identification of forcible authentication, then generates wake-up signal and is sent in digital trigger circuit；And In the area identification for identifying the distinctive mark and belonging to forcible authentication, then to by TV tuner, treated that TS streams carry out Audio/video decoding；The number trigger circuit is used to carry out work based on DLED driving circuits based on wake-up signal driving DLED displays Make；The DLED displays are for TS stream of the display after audio/video decoding under the support of DLED driving circuits.
- 7. DLED television sets as claimed in claim 6, which is characterized in that the DLED television sets further include stand-by circuit, institute It states processing module and is connected to stand-by circuit；The processing module is additionally operable to after not receiving TS stream progress audio/video decodings persistently within the preset time, generates standby letter Number, and the standby signal is sent to stand-by circuit；The stand-by circuit is used to DLED television sets be controlled to enter standby mode according to the standby signal.
- 8. DLED television sets as claimed in claim 7, which is characterized in that the TS streams are made of packet header and load, the packet Head includes a sync byte SYNC1 and three other bytes, and described three other bytes are for business identification, scrambling and control Information, it is described to load the MPEG-2 data for including 184 bytes.
- 9. DLED television sets as claimed in claim 8, which is characterized in that the processing module is additionally operable to passing through visual tuning Frequency method, video detection, video are preposition during device treated TS streams carry out, noise is eliminated and automatic gain processing.
- 10. DLED television sets as claimed in claim 9, which is characterized in that the processing module is additionally operable to parse in flowing from TS Vision signal exports the corresponding tri- road video datas of RGB of the vision signal and is shown for DLED to carry out pal mode decoding Device plays.
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| CN201711477951.8A CN108156517A (en) | 2017-12-29 | 2017-12-29 | The method and television set of data flow control are realized based on DLED television sets |
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| CN204180213U (en) * | 2014-11-05 | 2015-02-25 | 广州长嘉电子有限公司 | A kind of D-LED television set supporting DVB-T2 |
| CN204231531U (en) * | 2014-11-27 | 2015-03-25 | 广州长嘉电子有限公司 | A kind of digital television with digital circuits for triggering |
| CN105025333A (en) * | 2015-07-02 | 2015-11-04 | 南通同洲电子有限责任公司 | Wired digital set top box |
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