CN104754425B - A kind of transmission method of unidirectional DVB network signaling datas in bilateral network - Google Patents
A kind of transmission method of unidirectional DVB network signaling datas in bilateral network Download PDFInfo
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- CN104754425B CN104754425B CN201310741362.1A CN201310741362A CN104754425B CN 104754425 B CN104754425 B CN 104754425B CN 201310741362 A CN201310741362 A CN 201310741362A CN 104754425 B CN104754425 B CN 104754425B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/633—Control signals issued by server directed to the network components or client
- H04N21/6332—Control signals issued by server directed to the network components or client directed to client
-
- 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
-
- 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
- H04N21/2362—Generation or processing of Service Information [SI]
-
- 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
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
-
- 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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/643—Communication protocols
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The present invention provides a kind of transmission method of unidirectional DVB network signaling datas in bilateral network, including：In head end server deployment configuration system, the primitive network programme information for meeting DVB agreements is configured to conform to the configuration file of network transmission file format by the configuration system；The configuration file is issued to set top box side by the head end server by bilateral network；The set top box side receives and parses through the configuration file, obtains current overall network programme information.This method, by head end server deployment configuration system, by the original data configuration unidirectionally issued of operator into the configuration file of network transmission file format, being then issued to set top box side by bilateral network；Set top box side, which only needs to receive and parse through the configuration file issued by bilateral network, can get current whole programme informations, accelerate the picking rate of internet program information, reduce loss of data risk.
Description
Technical field
The invention belongs to DTV head end technical field, and in particular to a kind of unidirectional DVB network signaling datas are two-way
The transmission method of network.
Background technology
Existing radio and television operator combines the actual feelings of local Operation Network by unilateral network based on DVB agreements
Condition, configuration distributing internet program information.Wherein, DVB is DVB Digital Video Broadcasting contracting
Write, be by a series of DTV Open Standard of international recognitions of DVB project maintenances.
But for the internet program information that unidirectionally issues of tradition, it is necessary to which set top box side locked frequency point one by one, receives parsing
The DVB list datas unidirectionally issued, internet program table can be just aggregated into after the aggregation of data that parsing is received under each frequency is analyzed.
Above-mentioned search procedure is therefore time-consuming longer due to needing frequency locking one by one, if running into the bad situation of frequency signal, it is most likely that lose
Partial information is lost, causes programme information to lack.
The content of the invention
The defects of existing for prior art, the present invention provide a kind of unidirectional DVB network signaling datas in bilateral network
Transmission method, by the way that in head end server deployment configuration system, the original data configuration unidirectionally issued of operator is passed into network
The configuration file of defeated file format, is then issued to set top box side by bilateral network；Set top box side only needs to pass through Two-way Network
Network, which receives and parses through the configuration file issued, can get current whole programme informations, accelerate the collection of internet program information
Speed, reduce loss of data risk.
The technical solution adopted by the present invention is as follows：
The present invention provides a kind of unidirectional DVB network signaling datas in the transmission method of bilateral network, comprises the following steps：
S1, in head end server deployment configuration system, the configuration system believes the primitive network program for meeting DVB agreements
Breath is configured to conform to the configuration file of network transmission file format；
The configuration file is issued to set top box side by S2, the head end server by bilateral network；
S3, the set top box side receive and parse through the configuration file, obtain current overall network programme information.
Preferably, in S1, the configuration file is the configuration file of standard XML format.
Preferably, S1 specifically includes following steps：
S11, the configuration system are PSI/SI editing machines, and the primitive network programme information includes PSI table and SI tables, its
In, the PSI table includes Program Association Table PAT, CAT Conditional Access Table CAT, Program Map Table PMT and network information table NIT；It is described
SI tables include SDT Service Description Table SDT, Event Information Table EIT, TDT Time and Date Table TDT, TOT Time Offset Table TOT, business group association
Table BAT, Running Status Table RST, filling table ST, selection information table SIT, intermittent information table DIT；
S12, the PSI/SI editing machines integration networkses information table NIT, SDT Service Description Table SDT, BAT bouquet association table BAT,
Program Association Table PAT and Program Map Table PMT, obtain the first form after configuration is integrated；
The PSI/SI editing machines conformity of business operation describes table SDT and Event Information Table EIT, obtains second after configuration is integrated
Form；
The PSI/SI editing machines integration networkses information table NIT and manual editing interface, obtain the network after configuration is integrated
Allocation list；
S13, first form, second form obtain the configuration text after being associated with the network configuration table
Part.
Preferably, in S12, first form is integrated to obtain by the following method：
S121, the network information table NIT and the SDT Service Description Table SDT are integrated, obtains 1-1 forms；Wherein, it is described
The following field of 1-1 forms comes from the network information table NIT：Primitive network ID, transport stream ID, channel modulation system, frequency
The frequency in road and the character rate of channel；The following field of the 1-1 forms comes from the SDT Service Description Table SDT：Service ID,
The channel designation included in current transmission stream；
S122, the BAT bouquet association table BAT is integrated into the 1-1 forms, obtain 1-2 forms, the 1-2
Form adds additional the following field from the BAT bouquet association table BAT compared with the 1-1 forms：Authorization message,
TV station's classification information and logical channel numbers；
S123, the Program Association Table PAT and Program Map Table PMT are integrated into the 1-2 forms, obtains 1-3
Form, the 1-3 forms adds additional following field compared with the 1-2 forms：From Program Association Table PAT's
PMT PID, and, the following field from Program Map Table PMT：PCR PID, PAT PID, Audio PID and video PID.
Preferably, in S12, second form includes following field：In current transmission stream from SDT Service Description Table SDT
Comprising channel ID, the program ID that includes of each channel from Event Information Table EIT and program-related information；Wherein, it is described
Program-related information includes programm name, program broadcasts time started, program broadcasting time section and program father and mother's control hierarchy.
Preferably, in S12, the network configuration table includes following field：Major key mark, network name, fileversion number,
Network N IT version numbers, classification information renewal time, television channel information renewal time, electronic program guide data renewal time,
Version detection RQ cycle, start up graphic configuration information, startup program broadcast information and Portal server information.
Preferably, S3, the set top box side receive and parse through the configuration file, obtain current overall network programme information
Specially：
S31, the set top box side receive and parse through the configuration file, obtain first form, described second respectively
Form and the network configuration table；
S32, the set top box side get internet program information and played according to first form；
The set top box side obtains according to second form and shows electronic program guide information；
The set top box side obtains the newest more new state of bi-directional network data, for sentencing according to the network configuration table
It is disconnected whether to need fresh information.
Beneficial effects of the present invention are as follows：
A kind of unidirectional DVB network signaling datas provided by the invention bilateral network transmission method, by original broadcasting and TV list
The data carried into network by DVB agreements, the understanding for industry agreement accumulated by DVB industries, by integrate with
Reappoint, be passed to bilateral network and be issued to set top box side, set top box side carries out fast resolving processing, so as to expand
The coverage rate of bilateral network application, simplifies set top box protocol analysis flow, accelerates the picking rate of internet program information, reduces
Loss of data risk.
Brief description of the drawings
Fig. 1 is transmission method schematic flow sheet of the unidirectional DVB network signaling datas provided by the invention in bilateral network.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail：
As shown in figure 1, the present invention provides a kind of transmission method of unidirectional DVB network signaling datas in bilateral network, including
Following steps：
S1, in head end server deployment configuration system, the configuration system believes the primitive network program for meeting DVB agreements
Breath is configured to conform to the configuration file of network transmission file format；
This step meets the configuration file of network transmission file format especially by following methods generation：
S11, the configuration system are PSI/SI editing machines, and the primitive network programme information includes PSI table and SI tables, its
In, the PSI table includes Program Association Table PAT, CAT Conditional Access Table CAT, Program Map Table PMT and network information table NIT；It is described
SI tables include SDT Service Description Table SDT, Event Information Table EIT, TDT Time and Date Table TDT, TOT Time Offset Table TOT, business group association
Table BAT, Running Status Table RST, filling table ST, selection information table SIT, intermittent information table DIT；
Specifically, PSI table includes Program Association Table PAT, CAT Conditional Access Table CAT, Program Map Table PMT and network information table
NIT, these tables are inserted into TS streams in multiplexing by multiplexer, and are identified with specific PID Packet Identifier PID.
Wherein, Program Association Table PAT includes the PMT PID and transport stream ID of all Program Map Tables in TS streams
Deng.
Program Map Table PMT includes the elementary stream information of each program, i.e. PCR PID, PMT PID, Audio PID, regards
Frequency PID and the ECM Entitlement Control Messages with more close CA；Wherein, PCR PID refer to synchronised clock PID.
Network information table NIT includes the physical transfer net information of all transport streams in the digital tv network, specifically includes
Primitive network ID, transport stream ID, channel tuning parameter, the character rate etc. of the frequency of channel and channel, these information to connect
Receipts machine can change channel, tuner parameters with little delay or no-delayly, correctly decode out according to the selection of user
TS。
Because PSI table only provides the information of single TS streams, DTV STB can only be to the difference in single TS streams
Program stream is decoded, but PSI table can not provide multiple TS relevant business and the type of program, what program, when
The information such as start, therefore, DVB agreements are extended to PSI, there is provided a variety of forms of other different information categories, formed
SI tables.In actual applications, data SI tables provided are organized in an orderly manner, generate the form of similar program report, the section
Mesh report can instantaneously browsing on a television set, so as to significantly facilitate the use of user, here it is electronic program guide (EPG).
Conventional table in SI tables includes：Network information table NIT, SDT Service Description Table SDT, Event Information Table EIT, business group close
Join table BAT, TDT Time and Date Table TDT, TOT Time Offset Table TOT.Wherein, NIT tables have described in above PSI table.
Wherein, SDT Service Description Table SDT contains the business information of current transmission stream and other transport streams, such as, work as forward pass
The channel ID included in defeated stream.
Event Information Table EIT contains the data related to program or channel, and EIT is the main table for generating EPG, including each
The program ID and program-related information that individual channel includes；Program-related information is such as：The programm name of the current broadcast of each program,
Broadcast information and next broadcast items relevant informations such as time started, broadcast time section, father and mother's control hierarchy.
Classification agreement, classification transmission are a protocol basis of traditional DVB agreements.Terminal classification receives, classification parsing, so
Afterwards according to the key point index and associated data between information.
S12, this step are integrated to obtain the first form, the second form and network configuration table altogether.Each table is introduced individually below
Integration method：
（1）First form
PSI/SI editing machine integration networkses information tables NIT, SDT Service Description Table SDT, BAT bouquet association table BAT, programming association
Table PAT and Program Map Table PMT, obtain the first form after configuration is integrated.
In order to above-mentioned numerous DVB agreement tables be configured in bilateral network, it is necessary to will association closely several
Form data carries out integration association, is separately configured for the form of independent big data quantity, and retain association index.After configured in one piece
Network condition open up new form and be described.
SI includes SDT Service Description Table SDT, Event Information Table EIT, TDT Time and Date Table TDT, TOT Time Offset Table TOT, business
The table information such as group contingency table BAT and Running Status Table RST, filling table ST, selection information table SIT, intermittent information table DIT.In SI
Each table be not required for transmitting in actual use, wherein NIT, SDT, EIT, TDT must be transmitted, other tables then according to
Need to carry out selection transmission.
In the present invention, first, NIT, BAT, PAT, PMT and SDT table converging information in DVB are integrated, due to this several tables
In information data amount it is relatively fewer, relatively be adapted to quickly in networking transmit and do not influence network efficiency, after integration
Fast and effective acquisition programme information can be reached, play the purpose of program, will not also increase network burden, the table after configuration integration
Lattice data are as follows：
Table 1：First form is illustrated
| Field name | Data type | Unit | Description | Source |
| Primitive network ID | Integer | Primitive network ID | NIT | |
| TSID | Integer | Transport stream ID | NIT | |
| SERVICEID | Integer | Service ID | SDT | |
| Frequency | Floating-point | MHz | Frequency | NIT |
| Modulation system | Enumerate | Modulation system | NIT | |
| Character rate | Floating-point | Mbps | Character rate | NIT |
| Channel designation | Character string | Channel designation | SDT | |
| PCRPID | Integer | PCR PID | PMT | |
| PATPID | Certificate | PAT PID | PMT | |
| PMTPID | Integer | PMT PID | PAT | |
| VIDEOPID | Integer | Video PID | PMT | |
| AUDIOPID | Integer | Audio PID | PMT | |
| Authorization message | Character string | Authorization message | BAT | |
| TV station's classification information | Character string | TV station's classification information | BAT | |
| Logical channel numbers | Integer | Logical channel numbers | BAT |
When set top box will receive some appointed program, PSI table checks in this program from Program Association Table PAT first
Program Map Table PMT pid value, then from TS stream in find the Program Map Table PMT corresponding with this pid value, from this
The pid value for the elementary stream for forming this program is obtained in individual Program Map Table PMT, is filtered out according to this pid value and regarded accordingly
Frequently, the elementary stream such as audio and data, primary signal is restored to after decoding, deletes the transmission bag containing remaining PID.
（2）Second form
PSI/SI editing machine conformity of business operation describes table SDT and Event Information Table EIT, obtains the second table after configuration is integrated
Lattice.
Because the electronic program guide data amount transmitted in EIT is bigger, issued so EIT information is separately configured to drop
Low networking utilization rate, improves efficiency, and the electronic program guide information for converging integration is as follows：
Table 2：Second form is illustrated
| Field name | Data type | Unit | Description | Source |
| TSID | Integer | Transport stream ID | EIT | |
| Event ID | Integer | Program ID | EIT | |
| Event Info | Character string | Program-related information | EIT | |
| Event ID... | Integer | Program ID | EIT | |
| Event Info... | Character string | Program-related information | EIT | |
| SERVICEID | Integer | Channel ID | SDT |
（3）Network configuration table
Above- mentioned information can only provide original DVB signaling informations data, in order to control network transmission and terminal uses
Network, it is also necessary to carry out network configuration information and issue, specifically, PSI/SI editing machines integration networkses information table NIT and manually volume
Editing interface, obtains the network configuration table after configuration is integrated, and network configuration table is as shown in the table：
Table 3：Network configuration table is illustrated
S13, first form, second form obtain the configuration text after being associated with the network configuration table
Part.
The configuration file is issued to set top box side by S2, the head end server by bilateral network；
Specifically, configuration file is issued to operator's bilateral network by switch device and routing device, then finally
Reach set top box side.
S3, the set top box side receive and parse through the configuration file, obtain current overall network programme information.
Specifically, S31, the set top box side receives and parses through the configuration file, obtains first form, institute respectively
State the second form and the network configuration table；
S32, the set top box side get internet program information and played according to first form；
The set top box side obtains according to second form and shows electronic program guide information；
The set top box side obtains the newest more new state of bi-directional network data, for sentencing according to the network configuration table
It is disconnected whether to need fresh information.
In summary, a kind of unidirectional DVB network signaling datas provided by the invention bilateral network transmission method, by original
There are the data carried in broadcasting and TV unilateral network by DVB agreements, the understanding for industry agreement accumulated by DVB industries, lead to
To cross integration and reappoint, be passed to bilateral network and be issued to set top box side, set top box side carries out fast resolving processing, so as to
The coverage rate of bilateral network application can be expanded, simplify set top box protocol analysis flow, accelerate the collection of internet program information
Speed, reduce loss of data risk.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
Depending on protection scope of the present invention.
Claims (6)
1. a kind of unidirectional DVB network signaling datas are in the transmission method of bilateral network, it is characterised in that comprise the following steps：
S1, in head end server deployment configuration system, the configuration system matches somebody with somebody the primitive network programme information for meeting DVB agreements
It is set to the configuration file for meeting network transmission file format；
The configuration file is issued to set top box side by S2, the head end server by bilateral network；
S3, the set top box side receive and parse through the configuration file, obtain current overall network programme information；
S1 specifically includes following steps：
S11, the configuration system are PSI/SI editing machines, and the primitive network programme information includes PSI table and SI tables, wherein,
The PSI table includes Program Association Table PAT, CAT Conditional Access Table CAT, Program Map Table PMT and network information table NIT；The SI
Table includes SDT Service Description Table SDT, Event Information Table EIT, TDT Time and Date Table TDT, TOT Time Offset Table TOT, BAT bouquet association table
BAT, Running Status Table RST, filling table ST, selection information table SIT, intermittent information table DIT；
S12, the PSI/SI editing machines integration networkses information table NIT, SDT Service Description Table SDT, BAT bouquet association table BAT, program
Contingency table PAT and Program Map Table PMT, obtain the first form after configuration is integrated；
The PSI/SI editing machines conformity of business operation describes table SDT and Event Information Table EIT, obtains the second table after configuration is integrated
Lattice；
The PSI/SI editing machines integration networkses information table NIT and manual editing interface, obtain the network configuration after configuration is integrated
Table；
S13, first form, second form obtain the configuration file after being associated with the network configuration table.
2. unidirectional DVB network signaling datas according to claim 1 are in the transmission method of bilateral network, it is characterised in that
In S1, the configuration file is the configuration file of standard XML format.
3. unidirectional DVB network signaling datas according to claim 1 are in the transmission method of bilateral network, it is characterised in that
In S12, first form is integrated to obtain by the following method：
S121, the network information table NIT and the SDT Service Description Table SDT are integrated, obtains 1-1 forms；Wherein, the 1-
The following field of 1 form comes from the network information table NIT：Primitive network ID, transport stream ID, channel modulation system, channel
The character rate of frequency and channel；The following field of the 1-1 forms comes from the SDT Service Description Table SDT：Service ID, current
The channel designation included in transport stream；
S122, the BAT bouquet association table BAT is integrated into the 1-1 forms, obtain 1-2 forms, the 1-2 forms
Compared with the 1-1 forms, the following field from the BAT bouquet association table BAT adds additional：Authorization message, TV
Platform classification information and logical channel numbers；
S123, the Program Association Table PAT and Program Map Table PMT are integrated into the 1-2 forms, obtains 1-3 forms,
The 1-3 forms adds additional following field compared with the 1-2 forms：PMT from Program Association Table PAT
PID, and, the following field from Program Map Table PMT：PCR PID, PAT PID, Audio PID and video PID.
4. unidirectional DVB network signaling datas according to claim 1 are in the transmission method of bilateral network, it is characterised in that
In S12, second form includes following field：The channel ID that is included in current transmission stream from SDT Service Description Table SDT, come
The program ID and program-related information included from Event Information Table EIT each channel；Wherein, the program-related information includes
Programm name, program broadcast time started, program broadcasting time section and program father and mother's control hierarchy.
5. unidirectional DVB network signaling datas according to claim 1 are in the transmission method of bilateral network, it is characterised in that
In S12, the network configuration table includes following field：Major key mark, network name, fileversion number, network N IT version numbers,
Classification information renewal time, television channel information renewal time, electronic program guide data renewal time, version detection request week
Phase, start up graphic configuration information, startup program broadcast information and Portal server information.
6. unidirectional DVB network signaling datas according to claim 1 are in the transmission method of bilateral network, it is characterised in that
S3, the set top box side receive and parse through the configuration file, obtain current overall network programme information and are specially：
S31, the set top box side receive and parse through the configuration file, obtain first form, second form respectively
With the network configuration table；
S32, the set top box side get internet program information and played according to first form；
The set top box side obtains according to second form and shows electronic program guide information；
The set top box side obtains the newest more new state of bi-directional network data, is for judgement according to the network configuration table
It is no to need fresh information.
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| CN105578217B (en) * | 2015-12-24 | 2019-04-26 | 深圳创维数字技术有限公司 | A kind of electronic program guides method for building up and set-top box |
| CN106331868B (en) * | 2016-09-14 | 2019-05-14 | 北京四达时代软件技术股份有限公司 | Digital television program control method for playing back, terminal set top box and front end broadcasting system |
| CN107172469A (en) * | 2017-06-15 | 2017-09-15 | 青岛海信电器股份有限公司 | Broadcast TV channel switching method and television display device |
| CN107426588B (en) * | 2017-07-12 | 2020-08-04 | 深圳创维－Rgb电子有限公司 | Method, system and storage device for acquiring television set configuration information |
| CN114363735B (en) * | 2020-10-13 | 2023-05-12 | 华为技术有限公司 | Route configuration method, network equipment, communication system and storage medium |
| CN112738615A (en) * | 2020-12-25 | 2021-04-30 | 深圳市九洲电器有限公司 | Program acquisition method and device, set top box and front-end server |
| CN113556586B (en) * | 2021-07-19 | 2023-03-24 | 杭州国芯科技股份有限公司 | Set-top box program information extension updating method |
| CN114866798B (en) * | 2022-05-10 | 2024-01-02 | 杭州国芯科技股份有限公司 | Method for rapidly acquiring programs in DVB network |
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