CN101426119A - Implementing method and system for email receiving function of digital television - Google Patents
Implementing method and system for email receiving function of digital television Download PDFInfo
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- CN101426119A CN101426119A CNA2008101538073A CN200810153807A CN101426119A CN 101426119 A CN101426119 A CN 101426119A CN A2008101538073 A CNA2008101538073 A CN A2008101538073A CN 200810153807 A CN200810153807 A CN 200810153807A CN 101426119 A CN101426119 A CN 101426119A
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Abstract
The present invention discloses a realization method of digital television e-mail receiving function, including the following steps: binding a user-mail address with the card number of a CA card, and receiving the e-mail information of users in real-time; determining whether the user TV is on the cable TV network; acquiring the e-mail information of users when the user TV is online, packaging the e-mail information as a private PSI table, and adding into the transmission stream TS code stream, and then transmitting it to the digital TV receivers of the users according to CA numbers; the digital TV receiver identifying and reading the e-mail information carried by the private PSI table in the TS code stream. The present invention also discloses a realization system of digital television e-mail receiving function. The invention adopts the private PSI table in the TS code stream to transmit the e-mail receiving function, adds a mail receiving function to the existing digital television broadcasting system, so that users can use the digital television to receive mail thereby facilitating users' life.
Description
Technical field
The present invention relates to household electrical appliance technical field, particularly relate to a kind of implementation method and system of email receiving function of digital television.
Background technology
Along with the continuous development of China's science and technology, domestic electric appliances such as television set, video camera, camera are more and more universal in people's daily life, people often use television set understand the outside information and learn.
Along with the development of digital television techniques, particularly ground cable digital TV technology (DVB_C) is universal, and increasing family brings into use set-top box or digital television to watch digital television program
But existing digital television function is fairly simple, and the projection that people just watch TV programme and carry out laser discs such as DVD by it is carried out otherwise activity (for example network activity) to the user and do not played effect.Meanwhile, people carry out network activity and necessarily need just can finish by computer, so when computer is used by other people or when breaking down, people lack necessary instrument and the Internet and keep in touch, as carry out operation such as mail reception.
Summary of the invention
In view of this, the implementation method and the system that the purpose of this invention is to provide a kind of email receiving function of digital television, be provided with the reception mail function for existing digital television broadcasting system increase, make the user can utilize Digital Television to receive mail, offer convenience therefore for user's life, strengthened user's product use experience, be of great practical significance.
For this reason, the invention provides a kind of implementation method of email receiving function of digital television, comprise step:
The card number of the email address of user bound and Conditional Access CA card, and receive user's Email Information in real time;
Judge that user's television set is whether on cable TV network;
When user's television set is on cable TV network, obtain the Email Information under the subscriber mailbox address, and join in the transport stream TS code stream after it is packaged into privately owned Program Specific Information PSI form, according to the CA card number TS code stream is transferred to the number radiovisor then;
The entrained Email Information of privately owned PSI form in the TS code stream is discerned and read to the number radiovisor, and show on video screen.
Preferably, described bindings is specially: store the one-to-one relationship between email address and the CA card number in advance.
Preferably, described email address is to utilize user's CA card number to register the email address that forms.
Preferably, the Email Information under the described subscriber mailbox address being packaged into privately owned PSI form is specially:
Utilize the reservation section among the PID to be packaged into a plurality of privately owned PSI form, and Email Information is divided into a plurality of sections private data districts that are stored in these privately owned PSI forms with identical table identifier.
Preferably, the number radiovisor is after receiving a plurality of privately owned PSI form with identical table identifier, according to segment number every section Email Information in their private data districts is spliced into complete Email Information, and on video screen, shows.
In addition, the present invention also provides a kind of realization system of email receiving function of digital television, comprising:
The mail service device, be used for user's the email address and the card number of CA card are bound, and receive user's Email Information in real time, when when judging that on-line equipment 702 knows that user's television set is on cable TV network, user's Email Information is transmitted to encode seal assembling device 703;
Judge on-line equipment, be used to judge that whether user's television set is at cable TV network;
The encode seal assembling device is used for the user email information that the mail service device is transmitted is packaged into privately owned PSI form and joins the TS code stream, then the TS code stream is transferred to the number radiovisor;
Digital television receiving apparatus is used for discerning and reading the entrained Email Information of privately owned PSI form of TS code stream, and shows on video screen.
Preferably, described mail service device stores the one-to-one relationship between email address and the CA card number in advance.
Preferably, described email address is to utilize user's CA card number to register the email address that forms.
Preferably, described encode seal assembling device is used for utilizing the reservation section of PID to be packaged into a plurality of privately owned PSI form with identical table identifier, Email Information is divided into a plurality of sections private data districts that are stored in these privately owned PSI forms, then these privately owned PSI forms are joined in the TS code stream, at last this TS code stream is transferred to the number radiovisor.
Preferably, the number radiovisor is used for after receiving a plurality of privately owned PSI form with identical table identifier, according to segment number every section Email Information in their private data districts is spliced into complete Email Information, and on video screen, shows.
By above technical scheme provided by the invention as seen, the invention provides a kind of implementation method and system of email receiving function of digital television, in view of having sufficient self-defined space in the PSI form in the TS code stream, therefore the present invention is packaged into privately owned PSI form with Email Information, come the conveying electronic e-mail messages with the privately owned PSI form in the TS code stream, give to increase in the existing digital television broadcasting system and be provided with the reception mail function, make the user can utilize Digital Television to receive mail, offer convenience therefore for user's life, strengthened user's product use experience, be of great practical significance.
Description of drawings
Fig. 1 is the flow chart of the implementation method of a kind of email receiving function of digital television provided by the invention;
Fig. 2 is the structural representation of TS stream;
Fig. 3 shows the specified in more detail schematic diagram that pairing pid value is done for agreement ETSI EN 300 468 V1.7.15.1.3 joint Table1 to each PSI;
Fig. 4 can define the citation form schematic diagram of the PSI form that oneself needs for the user;
Fig. 5 is the specific definition schematic diagram of among the agreement ETSI EN 300 468 V1.7.15.1.3 joint Table 2 table identifier being done;
After Fig. 6 does its pid value for self-defined mail transmission table EMT chooses 0x0005 in the PID reserved field, the concrete structure schematic diagram that is packaged into;
Fig. 7 is the structural representation of the realization system of a kind of email receiving function of digital television provided by the invention.
Embodiment
In order to make those skilled in the art person understand the present invention program better, the present invention is described in further detail below in conjunction with drawings and embodiments.
In order to allow people understand technical scheme of the present invention, below theoretical foundation of the present invention is described.
Because digital television program has bandwidth small reduction ratio rate height, so the transmittability of current cable television line is not also all discharged.The present invention utilizes this part idle bandwidth conveying electronic e-mail messages for this reason.
Current, two kinds of basic modes of DVB system coding have been stipulated among the most important agreement ISO/IEC 13818-1 of digital television broadcasting DVB, transport stream (Transport Stream, TS) and program flow (ProgramStream, PS), the main distinction is that PS is applicable to the environment that the error rate is lower, the long and variable-length of PS bag; TS then is suitable for the higher environment of the error rate, and is less demanding to signal to noise ratio, so TS is widely used in various DVB system.
The TS elementary cell is packet, is called the TS bag, and the content that is contained in the payload field of TS bag is the PSI table.For a receiver decoder,, at first find the pairing different Program Specific Informations of information on services (PSI) form for the TV programme that finds it to receive.
Agreement ISO/IEC 13818-1 has defined TS stream in F.0.1 saving structure as shown in Figure 2, its header comprises: the prioritised transmission sign of the error of transmission sign of the synchronous mark of 8bit, 1bit, the valid data opening flag of 1bit, 1bit, the Packet Identifier of 13bit (Packet ID is called for short PID) value, the CA encryption indicator of 2bit, the match flag of 2bit, the counter of 4bit.Wherein the most key is: this agreement regulation DVB system is by the header of TS bag, can determine the content of the present valid data that transmitted, pid value wherein is which PSI table what to be used for judging current transmission be, promptly each PID goes up the corresponding PSI information that transmits.
Referring to Fig. 3, the form Table 1 of agreement ETSI EN 300 468 V1.7.1 (2006-17 05) 5.1.3 joint, this form is shown pairing pid value to each PSI and has been done detailed regulation, can judge that from PID the valid data type of TS stream back load is video flowing, audio stream, PSI or other packets.
The present invention does not need to be concerned about defined PIT table, the emphasis of paying close attention to be among Fig. 3 pid value from 0x0003 to 0x000F and 0x0016 all be still untapped PID to the interval of 0x001B, F.0.6, agreement ISO/IEC13818-1:1994 (E) is stipulating the PSI form that the user can define oneself to be needed in the joint in addition, its citation form elaborates as shown in Figure 4 below.
Table identifier (table id): be used to distinguish forms different on same PID, in agreement ETSI EN 300 468 V1.7.1 (2006-1705) 5.1.3 joint Table 2, it has been made specific definition such as Fig. 5, wherein also had between a large amount of troughs such as from 0x04 to 0x3f.
Grammer segment identifier: special grammar is described.
Privately owned mark: differentiation is protocol definition form or privately owned form, and the 0x01 sign is privately owned.
Segment length is described: the private data length of current table section is described, makes things convenient for decoder to obtain data.
Private data: the valid data that present segment carries.
Table identifier expansion: distinguish sublist.
Version number: notice receiving terminal updating form content.
Segment number: when being used for the multistage transmission, the identification section sequence number.
Current follow-up designator: being used for mark " current " still is that " follow-up " is effective, and when having only redaction to arrive, just mark successive is effective.
CRC check position: be used for verification and have or not data transmission fault
In sum, the present invention can utilize the privately owned PSI form that the reservation section of PID encapsulates to be needed.For example, now the self-defined mail transmission table of the present invention (Email transport table abbreviates the EMT table as) is chosen 0x0005 and is done its pid value in the PID reserved field, its privately owned PSI form particular content that is packaged into as shown in Figure 6:
Table identifier: the 0x05 in the use table id reserved field is as its table identifier.
Grammer segment identifier: do not need to put 0x01 here and get final product.
Privately owned mark: 0x01 sign is privately owned.
Segment length is described: the Email message length that present segment carries.
Private data: the Email information that present segment carries.
Table identifier expansion: do not need to put 0x00 here
Version number: every email correspondence is version number independently.
Segment number: during the multistage transmission, sign present segment sequence number.
Current follow-up designator: marked whether later release.
CRC check position: add check digit.
To need to prove of segment number, because table section of DVB system requirements can not surpass 1024 bytes, but common PSI table all can surpass this length, at this moment just need to divide multistage to transmit, such benefit is when preventing owing to certain table section appearance transmission mistake, to cause whole table to accept.So work as the email content more for a long time, we make full use of the PSI table and can divide multistage to transmit this characteristic, when all the elements can't be carried by the private data district of our self-defining EMT table, also can be divided into a plurality of tables sections and transmit.Have the characteristics of identical table identifier table id at the television reception end according to them, the private data that each section is carried according to the segment number order is spliced into complete Email data.
Need to prove, taken into full account extensibility in ETSI EN 300 468 V1.7.1 (2006-17 05) agreement, the privately owned PSI tableau format of introducing previously (referring to Fig. 4), common features according to existing PSI form is formulated, can understand privately owned PSI table like this is exactly the standard P SI table of simplifying most, PID that relies in the system decodes process and table id discern privately owned PSI table, so the decoding to privately owned form does not need hardware is done any change, as long as in the PSI of software parsing module, increase corresponding function.
In sum, have sufficient self-defined space in the PSI form, therefore the present invention can be packaged into Email Information privately owned PSI form (being that we self-defining EMT shows), comes the conveying electronic e-mail messages with the privately owned PSI form in the TS code stream.
Based on above-mentioned principle, referring to Fig. 1, the invention provides a kind of implementation method of email receiving function of digital television, may further comprise the steps:
Step S101: the card number of the email address of user bound and Conditional Access card (CA card), and receive user's Email Information in real time;
This step realizes the email address of user bound and the card number of Conditional Access card (CA card) by the one-to-one relationship of storing in advance between email address and the CA card number.
Step S102: judge that user's television set is whether on cable TV network;
Need to prove, although there is not unified CA system standard at present in the world, each television operator is to select the CA encryption system according to the needs of oneself, but for its most basic function of CA encryption system arbitrarily is exactly to guarantee that a user can only occur on the node in one network, the mobile phone card that this uses as us, operator can not allow two identical phone numbers in same cordless communication network.The CA system just loses meaning fully otherwise encrypt, so can confirm all that before all services are provided to the user this user is whether online and have only one arbitrarily.
Step S103: when user's television set is on cable TV network, obtain the Email Information under the subscriber mailbox address, and join in the TS code stream after it is packaged into privately owned PSI form, according to the CA card number TS code stream is transferred to the number radiovisor then;
Describe based on above-mentioned theory, on specific implementation, the encapsulation step of Email Information is specially in this step: utilize the reservation section among the PID to be packaged into a plurality of privately owned PSI form with identical table identifier, Email Information is divided into a plurality of sections private data districts that are stored in these privately owned PSI forms, then these privately owned PSI forms are joined in the TS code stream, at last this TS code stream is transferred to the number radiovisor;
Described digital television receiving apparatus includes, but are not limited to digital television and digital TV set-top box.
Step S104: the entrained Email Information of privately owned PSI form in the TS code stream is discerned and read to the number radiovisor, and show on video screen.
As mentioned above, the EMT table can be divided into a plurality of sections to be transmitted, and has the characteristics of identical table identifier table id according to them at last, splices complete data according to segment number.
Therefore, this step is on specific implementation, the number radiovisor is after receiving a plurality of privately owned PSI form (being we self-defining EMT shows) with identical table identifier, according to segment number with every section Email Information in their private data districts promptly (private data) be spliced into complete Email Emai information, and on video screen, show.Promptly after receiving all Email Informations (showing as a plurality of EMT table sections), every section private data is assembled into complete Email Emai information, on video screen, shows according to segment number.No matter wherein be that literal, picture or acoustic information all are kept in the Installed System Memory, so long as the form that user's television set is supported can come out by screen display.
Implementation method based on top theoretical description and a kind of email receiving function of digital television provided by the invention, referring to Fig. 7, the present invention also provides a kind of realization system of email receiving function of digital television, comprise mail service device 701, judge on-line equipment 702, encode seal assembling device 703, digital television receiving apparatus 704, wherein:
This mail service device 701 is realized the email address of user bound and the card number of Conditional Access card (CA card) by the one-to-one relationship that stores in advance between email address and the CA card number.
Described mail service device 701 can show as a mail website, and the user can utilize the email address of CA card number registration of oneself in this website.The email address that is the user can be registered the email address that form for the CA card number that utilizes the user.
Judge on-line equipment 702, be used to judge that whether user's television set is at cable TV network;
On specific implementation, described judgement on-line equipment 702 has utilized existing condition to receive (CA) system.Need to prove, although there is not unified CA system standard at present in the world, each television operator is to select the CA encryption system according to the needs of oneself, but for its most basic function of CA encryption system arbitrarily is exactly to guarantee that a user can only occur on the node in one network, the mobile phone card that this uses as us, operator can not allow two identical phone numbers in same cordless communication network.We can be directly obtain user's this message of whether reaching the standard grade from any one CA system.
Encode seal assembling device 703, be connected with mail service device 701, be used for the user email information that mail service device 701 is transmitted is packaged into privately owned PSI form and joins the TS code stream, then the TS code stream be transferred to number radiovisor 704;
Describe based on above-mentioned theory, this encode seal assembling device 703 is on specific implementation, utilize the reservation section among the PID to be packaged into a plurality of privately owned PSI form with identical table identifier, Email Information is divided into a plurality of sections private data districts that are stored in these privately owned PSI forms, then these privately owned PSI forms are joined in the TS code stream, at last this TS code stream is transferred to the number radiovisor.
Described digital television receiving apparatus includes, but are not limited to digital television and digital TV set-top box.
Digital television receiving apparatus 704 is connected with encode seal assembling device 703, is used for discerning and reading the entrained Email Information of privately owned PSI form of TS code stream, and shows on video screen.
As mentioned above, the EMT table can be divided into a plurality of sections to be transmitted, and has the characteristics of identical table identifier table id according to them at last, splices complete data according to segment number.
Therefore, user's digital television receiving apparatus 704 is after receiving a plurality of privately owned PSI form with identical table identifier, according to segment number with every section Email Information in their private data districts promptly (private data) be spliced into complete Email Emai information, and on video screen, show.Promptly after receiving all Email Informations (showing as a plurality of EMT table sections), digital television receiving apparatus 704 is assembled into complete Email Emai information to every section private data according to segment number, shows on video screen.No matter wherein be that literal, picture or acoustic information all are kept in the Installed System Memory,, can come out by screen display so long as receive the form that the television set software and hardware system is supported.
The invention provides a kind of implementation method and system of email receiving function of digital television, in view of having sufficient self-defined space in the PSI form in the TS code stream, therefore the present invention is packaged into privately owned PSI form with Email Information, come the conveying electronic e-mail messages with the privately owned PSI form in the TS code stream, give to increase in the existing digital television broadcasting system and be provided with the reception mail function, make the user can utilize Digital Television to receive mail, offer convenience therefore for user's life, strengthened user's product use experience, be of great practical significance.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1, a kind of implementation method of email receiving function of digital television is characterized in that, comprises step:
The card number of the email address of user bound and Conditional Access CA card, and receive user's Email Information in real time;
Judge that user's television set is whether on cable TV network;
When user's television set is on cable TV network, obtain the Email Information under the subscriber mailbox address, and join in the transport stream TS code stream after it is packaged into privately owned Program Specific Information PSI form, according to the CA card number TS code stream is transferred to the number radiovisor then;
The entrained Email Information of privately owned PSI form in the TS code stream is discerned and read to the number radiovisor, and show on video screen.
2, the method for claim 1 is characterized in that, described bindings is specially: store the one-to-one relationship between email address and the CA card number in advance.
3, the method for claim 1 is characterized in that, described email address is to utilize user's CA card number to register the email address that forms.
4, the method for claim 1 is characterized in that, the Email Information under the described subscriber mailbox address is packaged into privately owned PSI form is specially:
Utilize the reservation section among the PID to be packaged into a plurality of privately owned PSI form, and Email Information is divided into a plurality of sections private data districts that are stored in these privately owned PSI forms with identical table identifier.
5, method as claimed in claim 4, it is characterized in that, the number radiovisor is after receiving a plurality of privately owned PSI form with identical table identifier, according to segment number every section Email Information in their private data districts is spliced into complete Email Information, and on video screen, shows.
6, a kind of realization system of email receiving function of digital television is characterized in that, comprising:
The mail service device, be used for the email address of user bound and the card number of CA card, and receive user's Email Information in real time, when when judging that on-line equipment 702 knows that user's television set is on cable TV network, user's Email Information is transmitted to encode seal assembling device 703;
Judge on-line equipment, be used to judge that whether user's television set is at cable TV network;
The encode seal assembling device is used for the user email information that the mail service device is transmitted is packaged into privately owned PSI form and joins the TS code stream, then the TS code stream is transferred to the number radiovisor;
Digital television receiving apparatus is used for discerning and reading the entrained Email Information of privately owned PSI form of TS code stream, and shows on video screen.
7, device as claimed in claim 6 is characterized in that, described mail service device stores the one-to-one relationship between email address and the CA card number in advance.
8, device as claimed in claim 6 is characterized in that, described email address is to utilize user's CA card number to register the email address that forms.
9, device as claimed in claim 6, it is characterized in that, described encode seal assembling device is used for utilizing the reservation section of PID to be packaged into a plurality of privately owned PSI form with identical table identifier, Email Information is divided into a plurality of sections private data districts that are stored in these privately owned PSI forms, then these privately owned PSI forms are joined in the TS code stream, at last this TS code stream is transferred to the number radiovisor.
10, device as claimed in claim 9, it is characterized in that, the number radiovisor is used for after receiving a plurality of privately owned PSI form with identical table identifier, according to segment number every section Email Information in their private data districts is spliced into complete Email Information, and on video screen, shows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101538073A CN101426119A (en) | 2008-12-05 | 2008-12-05 | Implementing method and system for email receiving function of digital television |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008101538073A CN101426119A (en) | 2008-12-05 | 2008-12-05 | Implementing method and system for email receiving function of digital television |
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| CNA2008101538073A Pending CN101426119A (en) | 2008-12-05 | 2008-12-05 | Implementing method and system for email receiving function of digital television |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101867803A (en) * | 2010-05-21 | 2010-10-20 | 杭州华三通信技术有限公司 | Data transmission method, equipment and system |
| CN101873274A (en) * | 2010-06-12 | 2010-10-27 | 中山大学 | System with function of classifying various mails in parallel associated with set-top box and method thereof |
-
2008
- 2008-12-05 CN CNA2008101538073A patent/CN101426119A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101867803A (en) * | 2010-05-21 | 2010-10-20 | 杭州华三通信技术有限公司 | Data transmission method, equipment and system |
| CN101873274A (en) * | 2010-06-12 | 2010-10-27 | 中山大学 | System with function of classifying various mails in parallel associated with set-top box and method thereof |
| CN101873274B (en) * | 2010-06-12 | 2013-06-05 | 中山大学 | System with function of classifying various mails in parallel associated with set-top box and method thereof |
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Open date: 20090506 |