CN101150679A - TV program hierarchical receiving circuit - Google Patents
TV program hierarchical receiving circuit Download PDFInfo
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- CN101150679A CN101150679A CNA2007101396472A CN200710139647A CN101150679A CN 101150679 A CN101150679 A CN 101150679A CN A2007101396472 A CNA2007101396472 A CN A2007101396472A CN 200710139647 A CN200710139647 A CN 200710139647A CN 101150679 A CN101150679 A CN 101150679A
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Abstract
The invention discloses a television program step receiving circuit, relates to the digital information processing circuit for managing and controlling digital television programs in communication field. The circuit insists of a buffer, a program information analyzer, a program filter, a system controller, a program level setting module, etc. By adopting the television program step receiving circuit, through analyzing and extracting program information in transmission streams, the invention judges the receiving level thereof, compares with the allowable receiving level defined by users, filters disallowable receiving television program transmission streams. The invention has the advantages that prior TV broadcast systems do not need to be changed, an integrated circuit with function of discrimination level is added in the digital television receiver, the programs can be received step by step. The invention not only is convenient to manage, but also has higher reliability and safety, which is suitable to effective management and control for receving of digital television programs.
Description
Technical field
The present invention relates to a kind of TV program hierarchical receiving circuit in the communications field, it is specially adapted to do digital TV programme and extracts, judges and filter, control with this and only to allow the transport stream of the TV programme that allow to receive pass through, realize the effective management that digital television program is received and the program grade integrated circuit of control.
Background technology
Along with the development of broadcast television industry, digital television program quantity is greatly improved, and the content of program is also more rich and varied, has enriched the people's spirit, culture life greatly.But, wherein also there are some to be not suitable for the program that non-adult watches, the user wishes and can control this, to protect non-adult physical and mental health.
Therefore, press for a cover control system circuit, can the reception rank be set, only allow the program that allows to receive pass through, can realize management and control that digital television program is received with this by digital television receiver.
Summary of the invention
Technical problem to be solved by this invention just provides a kind of TV program hierarchical receiving circuit that the digital television program transport stream is extracted, judged and filters realized, the present invention can only allow the program transport streams that allow to receive pass through, and filters out not allow the program transport streams that receives.Circuit of the present invention adopts integrated circuit technology to realize, makes application-specific integrated circuit (ASIC), both can reduce cost, and can obtain characteristics such as higher reliability and fail safe again.
The object of the present invention is achieved like this, it comprises: buffer 100, programme information resolver 200, program filtering device 300, system controller 400, program level are provided with module 500, wherein buffer 100 goes into end 1 program receiving transport stream, buffer 100 go out end 2 and program filtering device 300 go into end 1 is connected buffer 100 go out to hold 3 with programme information resolver 200 go into to hold 1 to be connected, buffer 100 inputs to program filtering device 300 after with the program transport streams buffer memory that receives and programme information resolver 200 carries out data processing respectively; The end 2 that goes out of the program transport streams programme information resolver 200 of going into end 1 reception buffer 100 buffer memorys of programme information resolver 200 is connected with the end 1 of going into of system controller 400, and the program information table in 200 analyses of programme information resolver and the extraction program transport streams inputs to system controller 400 and analyzes and differentiate; The end 3 of going into of system controller 400 is connected with the end 1 that goes out that program level is provided with module 500, program level is provided with module 500 and the program level that allows to watch is set inputs to system controller 400, and system controller 400 is provided with the program level that module 500 is provided with according to program level and judges whether the program that receives allows to watch; The end 2 that goes out of system controller 400 is connected with the end 2 of going into of program filtering device 300, and system controller 400 does not allow the identifier of the program watched to 300 transmissions of program filtering device; Program filtering device 300 filters the program in the program transport streams according to the identifier of the program that does not allow to watch, 3 outputs that go out to hold of program filtering device 300 allow the program transport streams of watching.
The present invention compares with background technology, has following advantage:
(1) buffer 100 of the present invention, programme information resolver 200, program filtering device 300, system controller 400, program level are provided with module 500 and adopt an application-specific integrated circuit (ASIC) to realize, application-specific integrated circuit (ASIC) is directly installed in the digital television receiver, need not change existing television transmission system, the classification that realizes program receives, and can envoy's purpose quality not descend in the process of analysis and filtrating program, therefore circuit of the present invention is installed and used easy, with low cost.
(2) each circuit of the present invention can adopt an application-specific integrated circuit (ASIC) to realize, therefore can obtain higher reliability and fail safe, effectively realizes the control that TV program hierarchical is received.
Description of drawings
Fig. 1 is the electric functional-block diagram of the embodiment of the invention.Buffer is 100 among Fig. 1, and the programme information resolver is 200, and the program filtering device is 300, and system controller is 400, and it is 500 that program level is provided with module.
Fig. 2 is the electric functional-block diagram of system controller 400 of the present invention.The program information table extraction module is 401 among Fig. 2, and buffer is 402, and the program level detection module is 403.
Embodiment
With reference to Fig. 1, Fig. 2, the present invention is provided with module 500 by buffer 100, programme information resolver 200, program filtering device 300, system controller 400, program level and forms.Fig. 1 is an electric functional-block diagram of the present invention, and embodiment presses Fig. 1 connection line.Wherein buffer 100 goes into end 1 program receiving transport stream, the end 2 that goes out of buffer 100 is connected with the end 1 of going into of program filtering device 300, buffer 100 go out end 3 and programme information resolver 200 go into to hold 1 to be connected, buffer 100 inputs to program filtering device 300 after with the program transport streams buffer memory that receives and programme information resolver 200 carries out data processing respectively; The end 2 that goes out of the program transport streams programme information resolver 200 of going into end 1 reception buffer 100 buffer memorys of programme information resolver 200 is connected with the end 1 of going into of system controller 400, and the program information table in 200 analyses of programme information resolver and the extraction program transport streams inputs to system controller 400 and analyzes and differentiate; The end 3 of going into of system controller 400 is connected with the end 1 that goes out that program level is provided with module 500, program level is provided with module 500 and the program level that allows to watch is set inputs to system controller 400, and system controller 400 is provided with the program level that module 500 is provided with according to program level and judges whether the program that receives allows to watch; The end 2 that goes out of system controller 400 is connected with the end 2 of going into of program filtering device 300, and system controller 400 does not allow the identifier of the program watched to 300 transmissions of program filtering device; Program filtering device 300 filters the program in the program transport streams according to the identifier of the program that does not allow to watch, 3 outputs that go out to hold of program filtering device 300 allow the program transport streams of watching.
The effect of buffer 100 of the present invention is program receiving transport stream, will give program filtering device 300 behind the program transport streams buffer memory that receive and programme information resolver 200 is handled, and embodiment buffer 100 adopts general RAM production of integrated circuits.The effect of programme information resolver 200 is program receiving transport stream and analysis and extracts programme information in the program transport streams and give system controller 400 and analyze that embodiment programme information resolver 200 adopts general NAND gate circuit to make.The user is provided with module 500 by program level and the program level that allows to watch is set gives system controller 400, the effect of system controller 400 is to judge according to the program level that the user is provided with whether the program that receives allows to watch, system controller 400 sends the identifier that does not allow the program watched to program filtering device 300, program filtering device 300 filters corresponding program in the program transport streams according to the identifier of the program that does not allow to watch, 3 outputs that go out to hold of program filtering device 300 allow the program transport streams of watching.Embodiment program filtering device 300 adopts general NAND gate circuit to make.The effect that program level is provided with module 500 is for the user provides interface that program level is set and the setting of storing the user, and the embodiment program level is provided with module 500 and adopts general FLASH or eeprom circuit to make.
The effect of program information table extraction module 401 of the present invention is program information table that program receiving information parser 200 provides, program information table is analyzed, extract the identifier and the program level of program-related information table, giving program level detection module 403 with the program level of extracting detects, the effect of buffer 402 is to read program level the program level that is provided with is set in the module 500 inputs to program level detection module 403 and detect, the effect of program level detection module 403 is that the program level of program information table extraction module 401 extractions and the rank in the buffer 402 are compared, illustrating if the program level of extracting exceeds the rank of storage in the buffer 402 that this program belongs to allows the program watched, otherwise illustrate that this program does not allow to watch, do not allow the program watched if detect, then program level detection module 403 sends and feeds back signal to program information table extraction module 401, program information table extraction module 401 will not allow the identifier of the related-program table watched to send to program filtering device 300, and program filtering device 300 falls program filtering according to the listing identifier that does not allow to watch.Embodiment program information table extraction module 401 adopts general NAND gate circuit to make, and buffer 402 adopts general RAM production of integrated circuits, and program level detection module 403 adopts general NAND gate circuit to make.
The concise and to the point operation principle of the present invention is as follows: the present invention is based on existing relevant criterion of Digital Television and technology and realize TV program hierarchical receiving circuit.TV program hierarchical receiving circuit extracts and analyzes the programme information in the transport stream, compare by the reception rank that is provided with the user and to judge whether the program that receives allows to watch, then the program that does not allow to watch is filtered, only allow the program transport streams that allows to watch pass through.
Circuit structure of the present invention is buffer 100, programme information resolver 200, program filtering device 300, system controller 400, program level to be provided with module 500 each parts adopt microelectronic technique to make a dedicated IC chip, be directly installed in the digital television receiver, need not change existing television transmission system, realize effective control that TV programme is received.
Claims (2)
1. TV program hierarchical receiving circuit, it comprises buffer (100), it is characterized in that also comprising: programme information resolver (200), program filtering device (300), system controller (400), program level is provided with module (500), wherein buffer (100) goes into end 1 program receiving transport stream, the end 2 that goes out of buffer (100) is connected with the end 1 of going into of program filtering device (300), buffer (100) go out end 3 and programme information resolver (200) go into to hold 1 to be connected, buffer (100) inputs to program filtering device (300) after with the program transport streams buffer memory that receives and programme information resolver (200) carries out data processing respectively; The end 2 that goes out of the program transport streams programme information resolver (200) of going into end 1 reception buffer (100) buffer memory of programme information resolver (200) is connected with the end 1 of going into of system controller (400), and the program information table in programme information resolver (200) analysis and the extraction program transport streams inputs to system controller (400) and analyzes and differentiate; The end 3 of going into of system controller (400) is connected with the end 1 that goes out that program level is provided with module (500), program level is provided with module (500) and the program level that allows to watch is set inputs to system controller (400), and system controller (400) is provided with the program level that module (500) is provided with according to program level and judges whether the program that receives allows to watch; The end 2 that goes out of system controller (400) is connected with the end 2 of going into of program filtering device (300), and system controller (400) does not allow the identifier of the program watched to program filtering device (300) transmission; Program filtering device (300) filters the program in the program transport streams according to the identifier of the program that does not allow to watch, 3 outputs that go out to hold of program filtering device (300) allow the program transport streams of watching.
2. TV program hierarchical receiving circuit according to claim 1, it is characterized in that: system controller (400) comprises program information table extraction module (401), buffer (402), program level detection module (403), wherein the end 1 of going into of program information table extraction module (401) is connected with the end 2 that goes out of programme information resolver (200), the program information table that program receiving information parser (200) provides, program information table is analyzed, extract the identifier and the program level of program-related information table, the discrepancy end 2 of program information table extraction module (401) is connected with the discrepancy end 2 of program level detection module (403), and program information table extraction module (401) is given program level detection module (403) with the program level of extracting and detected; The end 1 of going into of buffer (402) is provided with module (500) with program level and is connected, buffer (402) reads program level and the program level that is provided with in the module (500) is set inputs to program level detection module (403) and detect, the end 2 that goes out of buffer memory (402) is connected with the end 1 of going into of program level detection module (403), program level detection module (403) compares the program level of program information table extraction module (401) extraction and the rank in the buffer (402), the rank that the program level of extracting exceeds storage in the buffer (402) then program belongs to and allows the program watched, do not allow to watch program otherwise belong to, detect and do not allow the program watched, then program level detection module (403) sends and feeds back signal to program information table extraction module (401), the end 3 that goes out of program information table extraction module (401) goes into to hold 2 to be connected with program filtering device (300), program information table extraction module (401) will not allow the identifier of the related-program table watched to send to program filtering device (300), and program filtering device (300) falls program filtering according to the listing identifier that does not allow to watch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101396472A CN101150679A (en) | 2007-10-30 | 2007-10-30 | TV program hierarchical receiving circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101396472A CN101150679A (en) | 2007-10-30 | 2007-10-30 | TV program hierarchical receiving circuit |
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| Publication Number | Publication Date |
|---|---|
| CN101150679A true CN101150679A (en) | 2008-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101396472A Pending CN101150679A (en) | 2007-10-30 | 2007-10-30 | TV program hierarchical receiving circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105681909A (en) * | 2015-04-20 | 2016-06-15 | 深圳Tcl数字技术有限公司 | Method and device for controlling navigation grade of network electronic program |
| CN109074691A (en) * | 2016-04-11 | 2018-12-21 | 开利公司 | Personal user is captured when interacting with multiple access control apparatus to be intended to |
-
2007
- 2007-10-30 CN CNA2007101396472A patent/CN101150679A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105681909A (en) * | 2015-04-20 | 2016-06-15 | 深圳Tcl数字技术有限公司 | Method and device for controlling navigation grade of network electronic program |
| CN105681909B (en) * | 2015-04-20 | 2018-09-21 | 深圳Tcl数字技术有限公司 | Method and device for controlling navigation grade of network electronic program |
| CN109074691A (en) * | 2016-04-11 | 2018-12-21 | 开利公司 | Personal user is captured when interacting with multiple access control apparatus to be intended to |
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Open date: 20080326 |