CN106303576A - It is applied to data processing method and the device of digital television system - Google Patents

It is applied to data processing method and the device of digital television system Download PDF

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Publication number
CN106303576A
CN106303576A CN201510303597.1A CN201510303597A CN106303576A CN 106303576 A CN106303576 A CN 106303576A CN 201510303597 A CN201510303597 A CN 201510303597A CN 106303576 A CN106303576 A CN 106303576A
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CN
China
Prior art keywords
word message
private setting
epg picture
setting descriptor
integrated receive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510303597.1A
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Chinese (zh)
Inventor
余英
王欣刚
张志洋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Administration Of Radio Film And Television Broadcasting And Television Satellite Broadcast Management Center
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State Administration Of Radio Film And Television Broadcasting And Television Satellite Broadcast Management Center
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Publication date
Application filed by State Administration Of Radio Film And Television Broadcasting And Television Satellite Broadcast Management Center filed Critical State Administration Of Radio Film And Television Broadcasting And Television Satellite Broadcast Management Center
Priority to CN201510303597.1A priority Critical patent/CN106303576A/en
Publication of CN106303576A publication Critical patent/CN106303576A/en
Pending legal-status Critical Current

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Classifications

    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
    • H04N21/2353—Processing of additional data, e.g. scrambling of additional data or processing content descriptors specifically adapted to content descriptors, e.g. coding, compressing or processing of metadata
    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
    • H04N21/2355—Processing of additional data, e.g. scrambling of additional data or processing content descriptors involving reformatting operations of additional data, e.g. HTML pages
    • H04N21/2358—Processing of additional data, e.g. scrambling of additional data or processing content descriptors involving reformatting operations of additional data, e.g. HTML pages for generating different versions, e.g. for different recipient devices
    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
    • H04N21/23614—Multiplexing of additional data and video streams
    • 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
    • H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/44236—Monitoring of piracy processes or activities

Abstract

The present invention proposes a kind of data processing method being applied to digital television system and device, the method includes: transmission stream network information table NIT in add a private setting descriptor, the version information of private setting descriptor be the initial version information of 0x00 or 0x01 and private setting descriptor be 0x00；Private setting descriptor is monitored in real time by Integrated Receive Decoder；In the case of the version information of the private setting descriptor monitored is 0x00, Integrated Receive Decoder receives and display sends electric program menu EPG picture and the Word message that head end issues；And become in the case of 0x01 at the version information of the private setting descriptor monitored from 0x00, delete and no longer the EPG picture of storage and Word message in display-memory, stop receiving simultaneously and display sends EPG picture and the Word message that head end issues.The present invention can eliminate the invalid data of abnormal conditions in time, is effectively guaranteed safe, green, the health of propagation data.

Description

It is applied to data processing method and the device of digital television system
Technical field
The present invention relates to data processing field, it particularly relates to a kind of number being applied to digital television system According to processing method and processing device.
Background technology
Due to the popularity of data dissemination, especially TV, the propagation of electrical type program the most widely falls The each family in family, people can by viewing, listen to and relate to the information of various abundant diversification of taking.In order to protect The green of magnanimity information of card propagation, safety, the supervision to information is just particularly important.
By the assessment to direct broadcasting satellite set top box side to client information issue mechanism, it is found that urgent broadcast, After the business head ends such as data broadcast, SI information are illegally usurped, front end by certain emergency operation can and Time eliminate the effects of the act, but as EPG, Set Top Box information update head end stolen, broadcast illegal EPG, Set Top Box information cannot eliminate the Set Top Box having been received by illegal contents in time to terminal, front end Impact, can only it is possible to remove invalid data by the way of the manual factory reset of user.
For the problem in correlation technique, effective solution is the most not yet proposed.
Summary of the invention
For the problem in correlation technique, the present invention proposes a kind of data being applied to digital television system and processes Method and device, it is possible to the safety of propagation data is effectively ensured and the shadow of invalid data can be eliminated in time Ring.
The technical scheme is that and be achieved in that:
According to an aspect of the invention, it is provided a kind of data process side being applied to digital television system Method, the method includes:
A private setting descriptor is added, the version letter of private setting descriptor in the network information table NIT of transmission stream Breath is 0x00 for the initial version information of 0x00 or 0x01 and private setting descriptor；
Private setting descriptor is monitored in real time by Integrated Receive Decoder；
In the case of the version information of the private setting descriptor monitored is 0x00, Integrated Receive Decoder connects Receive and display sends electric program menu EPG picture and the Word message that head end issues；And
Version information at the private setting descriptor monitored is become in the case of 0x01 from 0x00, delete and not The EPG picture stored in display-memory again and Word message, stop receiving and display transmission head end simultaneously The EPG picture issued and Word message.
Further, in Integrated Receive Decoder monitoring less than private setting descriptor or the private setting descriptor that monitors Version information be neither 0x00 the most not in the case of 0x01, Integrated Receive Decoder receives and display is sent out Send EPG picture and Word message that head end issues.
Wherein, delete the EPG picture of storage in memorizer and Word message successfully in the case of, also may be used To restart Integrated Receive Decoder；
Integrated Receive Decoder after restarting would indicate that EPG picture and Word message that factory gives tacit consent to and stops Receive and display sends EPG picture and the Word message that head end issues.
Wherein, in the case of monitoring less than private setting descriptor after Integrated Receive Decoder is restarted, Integrated Receiver The decoder display EPG picture of factory default and Word message stopping receives and display sends head end and issues EPG picture and Word message；
The version information of the private setting descriptor monitored after Integrated Receive Decoder is restarted keeps the feelings of 0x01 Under condition, the EPG picture of Integrated Receive Decoder display factory default and Word message also stop receiving and aobvious Show and send EPG picture and the Word message that head end issues；
The version information of the private setting descriptor monitored after Integrated Receive Decoder is restarted is neither for 0x00 also In the case of not being 0x01, the EPG picture of Integrated Receive Decoder display factory default and Word message are also Stop receiving and show EPG picture and the Word message that transmission head end issues.
It addition, the version information of the private setting descriptor monitored after Integrated Receive Decoder is restarted is 0x00 In the case of, again receive and show EPG picture and Word message that transmission head end issues.
According to a further aspect in the invention, additionally provide a kind of data being applied to digital television system and process dress Put, including:
Add module, for adding a private setting descriptor in the network information table NIT of transmission stream, privately owned The version information of descriptor be the initial version information of 0x00 or 0x01 and private setting descriptor be 0x00；
Monitoring modular, for monitoring private setting descriptor in real time by Integrated Receive Decoder；
Receiver module, in the case of the version information of the private setting descriptor monitored is 0x00, combines Close Rcv decoder receives and display transmission head end issues electric program menu EPG picture and word letter Breath；
Removing module, for being become the feelings of 0x01 at the version information of the private setting descriptor monitored from 0x00 Under condition, delete and not the EPG picture of storage and Word message in display-memory, stop receiving simultaneously and Display sends EPG picture and the Word message that head end issues.
Wherein, receiver module is further used for, and monitors less than private setting descriptor or prison at Integrated Receive Decoder In the case of the version information of the private setting descriptor measured neither is not 0x01 for 0x00, Integrated Receiver solution Code device receives and display sends EPG picture and the Word message that head end issues.
This device can also include:
Restart module, for electric program menu EPG picture and the word letter of storage in deleting memorizer In the case of breath is successful, restart Integrated Receive Decoder；
Wherein, receiver module is additionally operable to, and makes the EPG of the display factory default of the Integrated Receive Decoder after restarting Picture and Word message stopping receives and display sends EPG picture and the Word message that head end issues.
Additionally, receiver module is further used for, after Integrated Receive Decoder is restarted monitoring module monitors less than In the case of private setting descriptor, the EPG picture of Integrated Receive Decoder display factory default and Word message And stop receiving and show EPG picture and the Word message that transmission head end issues；
After Integrated Receive Decoder is restarted, the version information of the private setting descriptor that monitoring module monitors arrives keeps In the case of 0x01, the EPG picture of Integrated Receive Decoder display factory default and Word message also stop Receive and display sends EPG picture and the Word message that head end issues；And
After Integrated Receive Decoder is restarted, the version information of the private setting descriptor that monitoring module monitors arrives is neither In the case of not being 0x01 for 0x00, Integrated Receive Decoder display factory default EPG picture and Word message also stops receiving and show EPG picture and the Word message that transmission head end issues.
It addition, receiver module is further used for, after Integrated Receive Decoder is restarted, monitoring module monitors arrives In the case of the version information of private setting descriptor is 0x00, again receives and show what transmission head end issued EPG picture and Word message.
The present invention is by adding a private setting descriptor and being monitored in real time by Integrated Receive Decoder in NIT This private setting descriptor, unusual circumstance in time can eliminate invalid data, be effectively guaranteed propagation data Safe, green, healthy.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to enforcement In example, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only Some embodiments of the present invention, for those of ordinary skill in the art, are not paying creative work Under premise, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the flow process of the data processing method being applied to digital television system according to embodiments of the present invention Figure；
Fig. 2 is the schematic diagram of test system according to embodiments of the present invention；
Fig. 3 is the block diagram of the data processing equipment being applied to digital television system according to embodiments of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly Chu, be fully described by, it is clear that described embodiment be only a part of embodiment of the present invention rather than Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art obtained all its His embodiment, broadly falls into the scope of protection of the invention.
According to embodiments of the invention, it is provided that a kind of data processing method being applied to digital television system.
As it is shown in figure 1, the data processing method being applied to digital television system according to embodiments of the present invention, Including:
Step S101, adds a private setting descriptor in the network information table NIT of transmission stream, and this is privately owned retouches The initial version information that version information is 0x00 or 0x01 and private setting descriptor stating symbol is 0x00；
Step S103, monitors described private setting descriptor in real time by Integrated Receive Decoder；
Step S105, in the case of the version information of the private setting descriptor monitored is 0x00, comprehensively Rcv decoder receives and display sends EPG picture and the Word message that head end issues；And
Step S107, is become the situation of 0x01 at the version information of the private setting descriptor monitored from 0x00 Under, delete and no longer the EPG picture of storage and Word message in display-memory, stop receiving simultaneously and Display sends EPG picture and the Word message that head end issues.
If it addition, Integrated Receive Decoder monitoring is less than private setting descriptor or the private setting descriptor that monitors Version information be neither that 0x00 is not the most in the case of 0x01, then the state of Integrated Receive Decoder Constant, continue to and show send EPG picture and the Word message that head end issues,.
Wherein, the version information of privately owned description is monitored by initial version information when Integrated Receive Decoder When 0x00 becomes 0x01, delete the most at once and no longer show in the memorizer of Integrated Receive Decoder and deposited The EPG picture of storage and Word message, and be labeled as current state deleting success status after deleting successfully. And after deleting successfully, can select to restart Integrated Receive Decoder, the Integrated Receive Decoder after restarting will The display EPG picture of factory default and Word message stopping receives and display sends the EPG that head end issues Picture and Word message.
Integrated Receive Decoder after restarting monitors private setting descriptor the most in real time, and does not receives and show and send out Send EPG picture and Word message that head end issues, until Integrated Receive Decoder monitors privately owned retouching again State the version information of symbol when being 0x00, then again continue with and receive and display sends the EPG picture that head end issues And Word message.
It addition, in the case of monitoring less than private setting descriptor after Integrated Receive Decoder is restarted, Integrated Receiver Decoder still shows that the EPG picture of factory default and Word message stopping receives and display sends head end The EPG picture issued and Word message；
The version information of the private setting descriptor monitored after Integrated Receive Decoder is restarted keeps the feelings of 0x01 Under condition, Integrated Receive Decoder still shows the EPG picture of factory default and Word message and stops receiving And display sends EPG picture and the Word message that head end issues；
The version information of the private setting descriptor monitored after Integrated Receive Decoder is restarted is neither for 0x00 also In the case of not being 0x01, Integrated Receive Decoder still shows EPG picture and the word letter of factory default Cease and stop receiving and show EPG picture and the Word message that transmission head end issues.
Each ring to realizing the present invention of the system shown in Fig. 2 can be passed through in a specific embodiment Joint is tested, the semantic table of the private setting descriptor that table one defines for the present invention.
The following is and realize process of the present invention being carried out wipe the step that data carry out testing:
(1) it is first according to the block diagram shown in Fig. 2 be attached by each equipment and keep UNICOM.
(2) use two Integrated Receive Decoders can normal play TV programme, and can normally connect Receive and show EPG picture and information word.
(3) two Integrated Receive Decoders are respectively at viewing TV programme and viewing main menu state.
A newly-increased optional private setting descriptor in network information table (NIT), is defined as wiping data Descriptor reset_data_descriptor, the label value of descriptor is 0x8A (reset_data_descriptor Version value be only 0x00 or 0x01, factory-default is 0x00).The grammer of this descriptor Semantic as shown in following table one, this descriptor is resolved by Integrated Receive Decoder according to the definition of following table.
Data descriptor wiped by table one
(4) broadcast server by erasing data descriptor, trigger and issue in NIT Reset_data_descriptor, descriptor version is 0x01.
(5) two Integrated Receive Decoders the most no longer show any EPG picture and information word.
(6) update EPG picture and information version, issue new EPG picture and information Word, two Integrated Receive Decoders the most do not receive new data message.
(7) Integrated Receive Decoder is restarted, the EPG picture of display factory default and information literary composition Word.
(8) update EPG picture and information version, issue new EPG picture and information Word, Integrated Receive Decoder does not the most receive new data.
The following is and realize the testing procedure of recovery data receiver function in process of the present invention:
(1) it is first according to the block diagram shown in Fig. 2 be attached by each equipment and keep UNICOM；
(2) use two Integrated Receive Decoders can normal play TV programme, receiving version is The reset_data_descriptor of 0x01, deletes EPG picture and the information literary composition of storage in memorizer Word, does not first restart after deleting data, is in and does not shows any EPG picture and the shape of information word State；
(3) a wherein Integrated Receive Decoder is restarted so that it is the EPG picture of display factory default With information word；
(4) broadcast server by erasing data descriptor, trigger and issue in NIT Reset_data_descriptor, descriptor version is 0x00；
(5) two Integrated Receive Decoders can normally receive and show the requirement issued by front end, The data content normally received in real time and show；
(6) two Integrated Receive Decoders are restarted；
(7) two Integrated Receive Decoders all can normal play TV programme, and can normally receive And show the EPG picture and information word broadcast front end.
The following is and realize the step of normal condition disturbed test in process of the present invention:
(1) it is first according to the block diagram shown in Fig. 2 be attached by each equipment and keep UNICOM；
(2) use two Integrated Receive Decoders can normal play TV programme, and can normally connect Receive and show EPG picture and information word；
(3) two Integrated Receive Decoders are respectively at viewing TV programme and viewing main menu state；
(4) reset_data_descriptor in NIT is deleted；
(5) two Integrated Receive Decoders can normal play TV programme, and can normally receive also Display EPG picture and information word；
(6) broadcast server by erasing data descriptor, trigger and issue in NIT Reset_data_descriptor, descriptor version is the arbitrary value outside 0x00,0x01；
(7) two Integrated Receive Decoders all can normal play TV programme, and can normally receive And show EPG picture and information word；
(8) broadcast server by erasing data descriptor, trigger and issue in NIT Reset_data_descriptor, descriptor version is 0x01；
(9) two Integrated Receive Decoders the most no longer show any EPG picture and information word；
(10) update EPG picture and information version, issue new EPG picture and information Word, Integrated Receive Decoder does not receive new data；
(11) restarting a wherein Integrated Receive Decoder, the Integrated Receive Decoder after restarting shows silent Recognize EPG picture and information word；
(12) update EPG picture and information version, issue new EPG picture and prompting letter Breath word, Integrated Receive Decoder does not the most receive the data that display is new.
The following is and realize the step of state of emergency disturbed test in process of the present invention:
(1) it is first according to the block diagram shown in Fig. 2 be attached by each equipment and keep UNICOM；
(2) use two Integrated Receive Decoders can normal play TV programme, receiving version is The reset_data_descriptor of 0x01, deletes EPG picture and the information literary composition of storage in memorizer Word, does not first restart after deleting data, is in and does not shows any EPG picture and the shape of information word State；
(3) a wherein Integrated Receive Decoder is restarted so that it is show the EPG picture of acquiescence and carry Show information word；
(4) reset_data_descriptor in NIT is deleted；
(5) two Integrated Receive Decoders all keep original state, are not changed in；
(6) restart and show acquiescence EPG picture and the Integrated Receive Decoder of information word, Still show EPG picture and the information word of acquiescence；
(7) broadcast server by erasing data descriptor, trigger and issue in NIT Reset_data_descriptor, descriptor version is the arbitrary value outside 0x00,0x01；
(8) two Integrated Receive Decoders all keep original state, are not changed in；
(9) restart and show acquiescence EPG picture and the Integrated Receive Decoder of information word, Still show EPG picture and the information word of acquiescence；
(10) broadcast server by erasing data descriptor, trigger and issue in NIT Reset_data_descriptor, descriptor version is 0x00；
(11) two Integrated Receive Decoders can normally real-time reception showing be issued by front end Require normal real-time reception the data content shown；
(12) two Integrated Receive Decoders are restarted；
(13) two Integrated Receive Decoders all can normal play TV programme, and can normally connect Receive and show the EPG picture and information word broadcast front end.
According to embodiments of the invention, additionally provide a kind of data being applied to digital television system and process dress Put.
As it is shown on figure 3, the data processing equipment being applied to digital television system according to embodiments of the present invention Including:
Add module 31, for adding a private setting descriptor in the network information table NIT of transmission stream, private The initial version information that version information is 0x00 or 0x01 and private setting descriptor being described symbol is 0x00；
Monitoring modular 32, for monitoring private setting descriptor in real time by Integrated Receive Decoder；
Receiver module 33, is used in the case of the version information of the private setting descriptor monitored is 0x00, Integrated Receive Decoder receives and display sends EPG picture and the Word message that head end issues；
Removing module 34, is become 0x01 for the version information at the private setting descriptor monitored from 0x00 In the case of, the EPG picture stored in deletion and not display-memory and Word message, stop connecing simultaneously Receive and display sends EPG picture and the Word message that head end issues.
Wherein, receiver module 33 is further used for, and monitors less than private setting descriptor at Integrated Receive Decoder Or in the case of the version information of the private setting descriptor monitored neither is not 0x01 for 0x00, comprehensively connect Receive decoder receives and display transmission head end issues EPG picture and Word message.
This device can also include:
Restart module (not shown), for the electric program menu EPG picture of storage in deleting memorizer And in the case of Word message is successful, restart Integrated Receive Decoder；
Wherein, receiver module 33 is additionally operable to, and makes the display factory default of the Integrated Receive Decoder after restarting EPG picture and Word message stopping receives and display sends EPG picture and the word letter that head end issues Breath.
Additionally, receiver module 33 is further used for, restarting after module restarts Integrated Receive Decoder, prison In the case of survey module 32 is monitored less than private setting descriptor, Integrated Receive Decoder display factory default EPG picture and Word message stopping receives and display sends EPG picture and the word letter that head end issues Breath；
Restarting after module restarts Integrated Receive Decoder, the private setting descriptor that monitoring modular 32 monitors In the case of version information keeps 0x01, the EPG picture of Integrated Receive Decoder display factory default and literary composition Word information also stops receiving and show EPG picture and the Word message that transmission head end issues；And
Restarting after module restarts Integrated Receive Decoder, the private setting descriptor that monitoring modular 32 monitors Version information is neither in the case of 0x00 is not 0x01, Integrated Receive Decoder display factory default EPG picture and Word message stopping receives and display sends EPG picture and the word letter that head end issues Breath.
It addition, receiver module 33 is further used for, restarting after module restarts Integrated Receive Decoder, prison In the case of the version information of the private setting descriptor that survey module 32 monitors is 0x00, again receives and show Send EPG picture and Word message that head end issues.
The present invention is by adding a private setting descriptor and being monitored in real time by Integrated Receive Decoder in NIT This private setting descriptor, can eliminate the invalid data of abnormal conditions in time, be effectively guaranteed propagation data Safe, green, healthy.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this Within bright spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in this Within bright protection domain.

Claims (10)

1. the data processing method being applied to digital television system, it is characterised in that including:
A private setting descriptor is added in the network information table NIT of transmission stream, described private setting descriptor Version information be the initial version information of 0x00 or 0x01 and described private setting descriptor be 0x00；
Described private setting descriptor is monitored in real time by Integrated Receive Decoder；
In the case of the version information of the described private setting descriptor monitored is 0x00, described comprehensively connect Receive decoder receives and display transmission head end issues electric program menu EPG picture and Word message； And
Version information at the described private setting descriptor monitored is become in the case of 0x01 from 0x00, The EPG picture stored in deletion and no longer display-memory and Word message, stop receiving and aobvious simultaneously Show EPG picture and Word message that described transmission head end issues.
Method the most according to claim 1, it is characterised in that farther include:
Delete the EPG picture of storage in memorizer and Word message successfully in the case of, restart described Integrated Receive Decoder；
The EPG picture of the described Integrated Receive Decoder display factory default after restarting and Word message are also Stop receiving and show EPG picture and the Word message that described transmission head end issues.
Method the most according to claim 2, it is characterised in that described in restart after described comprehensively The Rcv decoder display EPG picture of factory default and Word message stopping receives and display is described sends out Send EPG picture and Word message that head end issues, farther include:
In the case of monitoring less than described private setting descriptor after described Integrated Receive Decoder is restarted, institute State the Integrated Receive Decoder display EPG picture of factory default and Word message and stop receiving and display EPG picture that described transmission head end issues and Word message；
The version information of the described private setting descriptor monitored after described Integrated Receive Decoder is restarted is protected In the case of holding 0x01, the EPG picture of described Integrated Receive Decoder display factory default and word Information also stops receiving and show EPG picture and the Word message that described transmission head end issues；
The version information of the described private setting descriptor monitored after described Integrated Receive Decoder is restarted was both It is not in the case of 0x00 is not 0x01, the EPG of described Integrated Receive Decoder display factory default Picture and Word message also stop receiving and show EPG picture and the word letter that described transmission head end issues Breath.
Method the most according to claim 2, it is characterised in that farther include:
The version information of the described private setting descriptor monitored after described Integrated Receive Decoder is restarted is In the case of 0x00, again receive and show EPG picture and word letter that described transmission head end issues Breath.
Method the most according to claim 1, it is characterised in that at described Integrated Receive Decoder Monitor and less than described private setting descriptor or the version information of described private setting descriptor that monitors be neither In the case of 0x00 is not 0x01, described Integrated Receive Decoder receives and shows described delivery header Hold the EPG picture and Word message issued.
6. the data processing equipment being applied to digital television system, it is characterised in that including:
Add module, in the network information table NIT transmitting stream, add a private setting descriptor, described The version information of private setting descriptor is the initial version information of 0x00 or 0x01 and described private setting descriptor For 0x00；
Monitoring modular, for monitoring described private setting descriptor in real time by Integrated Receive Decoder；
Receiver module, for the situation that version information is 0x00 at the described private setting descriptor monitored Under, described Integrated Receive Decoder receives and display sends the electric program menu EPG figure that head end issues Sheet and Word message；
Removing module, is become from 0x00 for the version information at the described private setting descriptor monitored In the case of 0x01, the EPG picture stored in deletion and not display-memory and Word message, simultaneously Stop receiving and show EPG picture and the Word message that described transmission head end issues.
Device the most according to claim 6, it is characterised in that including:
Described receiver module is further used for, privately owned less than described in the monitoring of described Integrated Receive Decoder Descriptor or the version information of described private setting descriptor that monitors neither for 0x00 the most for 0x01's In the case of, described Integrated Receive Decoder receive and show EPG picture that described transmission head end issues and Word message.
Device the most according to claim 6, it is characterised in that including:
Restart module, for EPG picture and the successful feelings of Word message of storage in deleting memorizer Under condition, restart described Integrated Receive Decoder；
Wherein, described receiver module is additionally operable to, and makes the described Integrated Receive Decoder after restarting demonstrate Factory acquiescence EPG picture and Word message and stop receive and show the EPG that described transmission head end issues Picture and Word message.
Device the most according to claim 8, it is characterised in that described receiver module is used further In, restart after module restarts described Integrated Receive Decoder described, described monitoring module monitors less than In the case of described private setting descriptor, the EPG picture of described Integrated Receive Decoder display factory default And Word message stop receiving and show EPG picture and the Word message that described transmission head end issues；
Restarting after module restarts described Integrated Receive Decoder described, described monitoring module monitors arrives In the case of the version information of described private setting descriptor keeps 0x01, described Integrated Receive Decoder shows The EPG picture of factory default and Word message also stop receiving and showing what described transmission head end issued EPG picture and Word message；And
Restarting after module restarts described Integrated Receive Decoder described, described monitoring module monitors arrives The version information of described private setting descriptor be neither 0x00 the most not in the case of 0x01, described comprehensively The Rcv decoder display EPG picture of factory default and Word message stopping receives and display is described sends out Send EPG picture and Word message that head end issues.
Device the most according to claim 8, it is characterised in that described receiver module is further For, to restart after module restarts described Integrated Receive Decoder described, described monitoring module monitors arrives The version information of described private setting descriptor be 0x00 in the case of, again receive and show described transmission EPG picture that head end issues and Word message.
CN201510303597.1A 2015-06-04 2015-06-04 It is applied to data processing method and the device of digital television system Pending CN106303576A (en)

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