CN102202238A - Program transmission system, digital set-top box and program filtering method for digital set-top box - Google Patents
Program transmission system, digital set-top box and program filtering method for digital set-top box Download PDFInfo
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Abstract
The invention discloses a program transmission system, a digital set-top box and a program filtering method for the digital set-top box. The program filtering method for the digital set-top box comprises the following steps of: A, reading a pre-stored authorized packet group from a smart card inserted into the digital set-top box, wherein the authorized packet group comprises M authorized packet numbers, and M is an integer more than or equal to 1; B, receiving N programs and the authorized packet numbers corresponding to each program from a transmission front-end, wherein N is the integer more than or equal to M, and the authorized packet numbers of each program are added by the transmission front-end in advance; and C, comparing the received authorized packet numbers with the authorized packet numbers read from the smart card one by one, and if the received authorized packet numbers are the consistent with the authorized packet numbers read from the smart card, saving the programs corresponding to the received authorized packet numbers. By the technical scheme provided by the invention, a memory space of the digital set-top box is saved. Moreover, the digital set-top boxes of different areas are universal and not required to be distinguished.
Description
Technical field
The present invention relates to the top box of digital machine field, relate in particular to the method for a kind of program transfer system, top box of digital machine and program filtering thereof.
Background technology
Along with the extensive increase of digital cable customers, increasing people brings into use top box of digital machine to come TV reception.Program operator is also towards increasing trend development, the overlay area of big program operator often comprises several districts, several county, several city, several province even strides a plurality of countries, so just some problems have been produced, operator uses identical program to send front end and sends a plurality of programs simultaneously, but different programs need be broadcasted in different regions, this just needs a kind of method to realize playing corresponding program by different demands at user terminal, so that operator expands bigger coverage, manage effectively.
The general method that adopts of prior art is when program searching, to carry out program searching according to the DVB standard substantially, the program that all are received is saved in memory device (as: eep then, flash etc.), when the user is switched program or called the rendition list, show all programs.Illustrate below: the program of the W of operator covers A, B, four areas of C, D, transmit TV programme to these 4 areas simultaneously with a cover front end of emission equipment, the program that is transmitted comprises all programs in 4 areas, and top box of digital machine can be preserved all programs of receiving, play.Can cause the top box of digital machine in A area to receive all programs like this, but the program in B, C, 3 areas of D does not have practical use for the user in A area, and take the memory space of top box of digital machine.The solution that adopts is at present, the top box of digital machine in corresponding 4 zones is write different software, distinguished by developing different products, Just because of this, the top box of digital machine of these 4 different regions can not substitute use, such as, when A district set-top box is not enough, B district set-top box is many, at this moment, the set-top box in B district can not be allocated to the A district and use, the set-top box in B district can only have been wasted, and also needs to produce specially the required set-top box in A district simultaneously.
Summary of the invention
The technical problem to be solved in the present invention is, need be distinguished the top box of digital machine of different regions at the above-mentioned of prior art, and can not substitute the defective of use, a kind of method of top box of digital machine program filtering is provided, make the top box of digital machine of different regions become general.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of method of top box of digital machine program filtering, this method comprises:
A. the mandate package of reading pre-stored from the smart card that inserts top box of digital machine, described mandate package comprises M mandate Bale No., wherein, M is the integer more than or equal to 1;
B. receive the mandate Bale No. of N program and each program correspondence from front end of emission, wherein, N is the integer more than or equal to M, and the mandate Bale No. of each program is that front end of emission adds in advance;
C. received mandate Bale No. and the mandate Bale No. of reading from smart card are compared one by one,, then the program of received mandate Bale No. correspondence is preserved if consistent.
In the method for top box of digital machine program filtering of the present invention, before described steps A, this method also comprises:
Receive the Entitlement Management Message that front end of emission sent, and upgrade the mandate Bale No. in institute's stored authorized package in the smart card according to described Entitlement Management Message.
In the method for top box of digital machine program filtering of the present invention, describedly be updated to interpolation, deletion or revise.
In the method for top box of digital machine program filtering of the present invention, in described step C, the program number of being preserved is smaller or equal to M.
The present invention also constructs a kind of top box of digital machine, and described top box of digital machine comprises:
Read module is used for from the mandate package of the smart card reading pre-stored of inserting top box of digital machine, and described mandate package comprises that M is authorized Bale No., and wherein, M is the integer more than or equal to 1;
Receiver module is used for from the mandate Bale No. of front end of emission N program of reception and each program correspondence, and wherein, N is the integer more than or equal to M, and the mandate Bale No. of each program is that front end of emission adds in advance;
Comparison module is used for received mandate Bale No. and the mandate Bale No. of reading from smart card are compared one by one;
Preserve module, be used for when received mandate Bale No. is consistent with the mandate Bale No. of reading from smart card, the program of received mandate Bale No. correspondence being preserved.
In top box of digital machine of the present invention, described top box of digital machine also comprises:
Update module is used to receive the Entitlement Management Message that front end of emission sends, and upgrades the mandate Bale No. in institute's stored authorized package in the smart card according to described Entitlement Management Message.
In top box of digital machine of the present invention, describedly be updated to interpolation, deletion or revise.
The present invention also constructs a kind of program transfer system, comprising:
A plurality of top box of digital machines, each top box of digital machine all is inserted with smart card, and each smart card all stores the mandate package in advance, described mandate package comprise M with regional relevant mandate Bale No., wherein M is the integer more than or equal to 1; And
Front end of emission is used for the mandate Bale No. to a plurality of top box of digital machines N programs of transmission and each program correspondence, and wherein, N is the integer more than or equal to M, and the mandate Bale No. of each program is that front end of emission adds in advance;
Top box of digital machine reads M the mandate Bale No. of authorizing in the package from the smart card of its insertion when start; In searching the platform process, receive the pairing mandate Bale No. of a plurality of programs and each program, and when searching platform and finish that channel is set, authorize Bale No. to compare one by one with M that is read the mandate Bale No. that is received, the pairing program receiving of mandate Bale No. that exists in the smart card is preserved, the pairing program receiving of non-existent mandate Bale No. in the smart card is filtered out.
In program transfer system of the present invention, described front end of emission also is used for sending different Entitlement Management Messages to described a plurality of top box of digital machines, and described top box of digital machine upgrades the mandate Bale No. of institute's stored authorized package in the smart card according to the corresponding Entitlement Management Message that is received.
In program transfer system of the present invention, describedly be updated to interpolation, deletion or revise.
Implement technical scheme of the present invention, authorize Bale No. owing to store M in the smart card of top box of digital machine in advance, after program searching is finished, only preserve with smart card in the corresponding program receiving of institute's stored authorized Bale No., like this, for the top box of digital machine in a certain area, can only preserve the program of this area, so saved the memory space of top box of digital machine.And, need not the top box of digital machine of different regions is distinguished, the top box of digital machine of different regions can be general, helps the allotment of the top box of digital machine between the same operator different regions, improved efficient and avoided waste.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the flow chart of the method embodiment one of top box of digital machine program filtering of the present invention;
Fig. 2 is the flow chart of the method embodiment two of top box of digital machine program filtering of the present invention;
Fig. 3 is the structured flowchart of top box of digital machine of the present invention;
Fig. 4 is the structured flowchart of program transfer system of the present invention.
Embodiment
As shown in Figure 1, in the flow chart of the method embodiment one of top box of digital machine program filtering of the present invention, this method may further comprise the steps:
S1. the mandate package of reading pre-stored from the smart card that inserts top box of digital machine, described mandate package comprises that M is authorized Bale No., and wherein, M is the integer more than or equal to 1, and this step section occurs in when starting shooting;
S2. receive the mandate Bale No. of N program and each program correspondence from front end of emission, wherein, N is the integer more than or equal to M, and the mandate Bale No. of each program is that front end of emission adds in advance, when this step can occur in program searching;
S3. this step received mandate Bale No. and the mandate Bale No. read from smart card compared one by one, when can occur in program searching channel is set;
S4. as if both unanimities, then the program of received mandate Bale No. correspondence is preserved.
Illustrating this program filtering method below is how to carry out program filtering, the program of supposing the W of operator covers A, B, four areas of C, D, send 600 TV programme to these 4 areas simultaneously with a cover front end of emission, because 100 programs wherein only need be preserved and play to the top box of digital machine in A area, other 500 programs need not to preserve and play.Then the mandate package of the smart cards for storage of being inserted in the top box of digital machine to the A area is provided with, and makes this mandate package only comprise pairing 100 the mandate Bale No.s of 100 programs of required preservation and broadcast.When carrying out program filtering, at first, the top box of digital machine in A area reads this mandate package from the smart card that is inserted, and this mandate package comprises pairing 100 the mandate Bale No.s of 100 programs of required preservation and broadcast; When carrying out program searching, the top box of digital machine in A area receives 600 TV programme and the pairing mandate Bale No. of each program that front end of emission sends; Then received mandate Bale No. and the mandate Bale No. of reading from smart card are compared one by one,, then will authorize the program that receives of Bale No. correspondence to preserve if consistent.Like this, the top box of digital machine in A area only need be preserved 100 programs, and need not to preserve and play other 500 programs.Similarly, needed separately program is also only preserved and play to the top box of digital machine in other B, C, D area.So, this program filtering method has been saved the memory space of top box of digital machine, and top box of digital machine need not to be distinguished because of the use of different regions, help the allotment of the top box of digital machine between the same operator different regions, improved efficient and avoided waste.The top box of digital machine in A, B, C, four areas of D is only preserved own needed program, is that irrelevant with set-top box, the set-top box in these four areas is general by the mandate Bale No. decision of the smart card in the insertion machine top box fully, and institute is beneficial to allotment and uses.
Fig. 2 is the flow chart of the method embodiment two of top box of digital machine program filtering of the present invention, and this embodiment compares embodiment shown in Figure 1, and step S1 to S4 wherein is identical, does not do at this and gives unnecessary details, and below different parts only is described.Before step S1, this method also comprises:
S0. the Entitlement Management Message that receives front end of emission and sent, and upgrade the mandate Bale No. of institute's stored authorized package in the smart card according to described Entitlement Management Message.In an example, upgrade can be interpolation, deletion or modification.Implement this technical scheme, except that the effect that possesses embodiment shown in Figure 1, also can make same top box of digital machine can preserve, play the program of different regions by upgrading the smart card institute stored authorized Bale No. in the top box of digital machine.For example, in superincumbent the giving an example,, can send Entitlement Management Message for this top box of digital machine by front end of emission and upgrade institute's stored authorized Bale No. in the smart card that inserts this top box of digital machine if the set-top box in A area wishes to change the program of watching.
As shown in Figure 3, in top box of digital machine embodiment one logic diagram of the present invention, this top box of digital machine is built-in with smart card, and this top box of digital machine comprises: read module 11, receiver module 12, comparison module 13 and preservation module 14.Wherein, read module 11 is used for from the mandate package of the smart card reading pre-stored of inserting top box of digital machine, and described mandate package comprises that M is authorized Bale No., and wherein, M is the integer more than or equal to 1; Receiver module 12 is used for receiving from front end of emission the mandate Bale No. of N program and each program correspondence, and wherein, N is the integer more than or equal to M, and the mandate Bale No. of each program is that front end of emission adds in advance; Comparison module 13 is used for received mandate Bale No. and the mandate Bale No. of reading from smart card are compared one by one; Preserving module 14 is used for when received mandate Bale No. is consistent with the mandate Bale No. of reading from smart card the program of received mandate Bale No. correspondence being preserved.
In another embodiment, this top box of digital machine is except that comprising module shown in Figure 3, also comprise update module, be used to receive the Entitlement Management Message that front end of emission sends, and upgrade the mandate Bale No. in institute's stored authorized package in the smart card according to described Entitlement Management Message.Wherein, be updated to interpolation, deletion or modification.
As shown in Figure 4, in the logic diagram of program transfer system embodiment one of the present invention, this program transfer system comprises: front end of emission 30 and be arranged on a plurality of top box of digital machines 10 of end user location, 10 ', 10 "; these a plurality of top box of digital machines 10; 10 '; 10 " can be distributed in a plurality of areas that program operator is covered, and each top box of digital machine all is inserted with smart card, as, top box of digital machine 10 is inserted with smart card 20, top box of digital machine 10 ' be inserted with smart card 20 ', top box of digital machine 10 " is inserted with smart card 20 ", each smart card all stores the mandate package in advance, described mandate package comprises M the mandate Bale No. relevant with the area, wherein, M is the integer more than or equal to 1.Front end of emission 30 can to N top box of digital machine 10,10 ', 10 " send the mandate Bale No. of program and each program, wherein, N is the integer more than or equal to M, and the mandate Bale No. of each program is that front end of emission adds in advance.For same program operator, it is identical to the program that a plurality of top box of digital machine sent.Be that example explanation is how to carry out program to transmit only below with top box of digital machine 10, should be appreciated that other regional top box of digital machine 10 ', 10 " operation principle similar with it, do not do explanation at this.Top box of digital machine 10 reads M the mandate Bale No. of authorizing in the package from its smart card when start; In searching the platform process, receive N program and the pairing mandate Bale No. of each program, and when searching platform and finish that channel is set, the mandate Bale No. that is received and at least one the mandate Bale No. that is read are compared one by one, the pairing program receiving of mandate Bale No. that exists in the smart card is preserved, the pairing program receiving of non-existent mandate Bale No. in the smart card is filtered out.
In another embodiment, front end of emission 30 also can send Entitlement Management Message to each top box of digital machine, should be noted that, because the top box of digital machine of different regions will be preserved and play different programs, therefore, front end of emission is different to the Entitlement Management Message that each top box of digital machine sent.Top box of digital machine can upgrade the mandate Bale No. of institute's stored authorized package in the smart card according to the Entitlement Management Message that is received.Wherein, be updated to interpolation, deletion or modification.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within the claim scope of the present invention.
Claims (10)
1. the method for a top box of digital machine program filtering is characterized in that, this method comprises:
A. the mandate package of reading pre-stored from the smart card that inserts top box of digital machine, described mandate package comprises M mandate Bale No., wherein, M is the integer more than or equal to 1;
B. receive the mandate Bale No. of N program and each program correspondence from front end of emission, wherein, N is the integer more than or equal to M, and the mandate Bale No. of each program is that front end of emission adds in advance;
C. received mandate Bale No. and the mandate Bale No. of reading from smart card are compared one by one,, then the program of received mandate Bale No. correspondence is preserved if consistent.
2. the method for top box of digital machine program filtering according to claim 1 is characterized in that, before described steps A, this method also comprises:
Receive the Entitlement Management Message that front end of emission sent, and upgrade the mandate Bale No. in institute's stored authorized package in the smart card according to described Entitlement Management Message.
3. the method for top box of digital machine program filtering according to claim 2 is characterized in that, describedly is updated to interpolation, deletion or revises.
4. the method for top box of digital machine program filtering according to claim 1 is characterized in that, in described step C, the program number of being preserved is smaller or equal to M.
5. a top box of digital machine is characterized in that, described top box of digital machine comprises:
Read module is used for from the mandate package of the smart card reading pre-stored of inserting top box of digital machine, and described mandate package comprises that M is authorized Bale No., and wherein, M is the integer more than or equal to 1;
Receiver module is used for from the mandate Bale No. of front end of emission N program of reception and each program correspondence, and wherein, N is the integer more than or equal to M, and the mandate Bale No. of each program is that front end of emission adds in advance;
Comparison module is used for received mandate Bale No. and the mandate Bale No. of reading from smart card are compared one by one;
Preserve module, be used for when received mandate Bale No. is consistent with the mandate Bale No. of reading from smart card, the program of received mandate Bale No. correspondence being preserved.
6. top box of digital machine according to claim 5 is characterized in that, described top box of digital machine also comprises:
Update module is used to receive the Entitlement Management Message that front end of emission sends, and upgrades the mandate Bale No. in institute's stored authorized package in the smart card according to described Entitlement Management Message.
7. top box of digital machine according to claim 6 is characterized in that, describedly is updated to interpolation, deletion or revises.
8. a program transfer system is characterized in that, comprising:
A plurality of top box of digital machines, each top box of digital machine all is inserted with smart card, and each smart card all stores the mandate package in advance, described mandate package comprise M with regional relevant mandate Bale No., wherein M is the integer more than or equal to 1; And
Front end of emission is used for the mandate Bale No. to a plurality of top box of digital machines N programs of transmission and each program correspondence, and wherein, N is the integer more than or equal to M, and the mandate Bale No. of each program is that front end of emission adds in advance;
Top box of digital machine reads M the mandate Bale No. of authorizing in the package from the smart card of its insertion when start; In searching the platform process, receive the pairing mandate Bale No. of a plurality of programs and each program, and when searching platform and finish that channel is set, authorize Bale No. to compare one by one with M that is read the mandate Bale No. that is received, the pairing program receiving of mandate Bale No. that exists in the smart card is preserved, the pairing program receiving of non-existent mandate Bale No. in the smart card is filtered out.
9. program transfer system according to claim 8, it is characterized in that, described front end of emission also is used for sending different Entitlement Management Messages to described a plurality of top box of digital machines, and described top box of digital machine upgrades the mandate Bale No. of institute's stored authorized package in the smart card according to the corresponding Entitlement Management Message that is received.
10. program transfer system according to claim 9 is characterized in that, describedly is updated to interpolation, deletion or revises.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101352767A CN102202238B (en) | 2011-05-23 | 2011-05-23 | Program transmission system, digital set-top box and program filtering method for digital set-top box |
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| CN2011101352767A CN102202238B (en) | 2011-05-23 | 2011-05-23 | Program transmission system, digital set-top box and program filtering method for digital set-top box |
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| CN102202238A true CN102202238A (en) | 2011-09-28 |
| CN102202238B CN102202238B (en) | 2013-11-20 |
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| CN109756743A (en) * | 2019-01-21 | 2019-05-14 | 湖北省广播电视信息网络股份有限公司 | Localization information synchronized push system and method |
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| CN102202238B (en) | 2013-11-20 |
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