CN102118647A - Method for updating channel information of digital television set and digital television set thereof - Google Patents
Method for updating channel information of digital television set and digital television set thereof Download PDFInfo
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- CN102118647A CN102118647A CN2009102388932A CN200910238893A CN102118647A CN 102118647 A CN102118647 A CN 102118647A CN 2009102388932 A CN2009102388932 A CN 2009102388932A CN 200910238893 A CN200910238893 A CN 200910238893A CN 102118647 A CN102118647 A CN 102118647A
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Abstract
The present invention is suitable for a television set, and provides a method for updating channel information of a digital television set and the digital television set, wherein the method comprises the following steps of: a, analyzing a version number of a NIT (Network Information Table) or a SDT (Service Description Table) from a transport stream, then comparing the analyzed NIT or SDT version number with the stored NIT or SDT version number used by the digital television set at present, if the two version numbers are not consistent, continuing to perform the step b; and b, controlling the digital television set to perform channel searching flow, so as to update the channel information. The technical scheme provided in the present invention allows users to understand the updated contents of the channel information in advance and determine whether to update the channel information of the digital television set as required, thereby avoiding the deficiency that the current users passively update the channel information of the digital television set, improving intelligence and humanization degree of products, and satisfying user requirements.
Description
Technical field
The invention belongs to TV technology, relate in particular to a kind of digital television channel information method for updating and digital television.
Background technology
In the present digital television business, channel information is change often, as newly-increased channel or change channel etc., and work as channel information after changing, television set can point out the user to search the platform operation, and the user can search the platform operation, according to searching the channel information that the platform result upgrades Digital Television.
It is fully passive for the user that existing channel information upgrades operation, the user can't learn the content that channel information upgrades in advance, as newly-increased channel and particular content that the channel (upgrading channel to call in the following text) of change is arranged, after only searching platform and finishing, and with the channel information that upgrades with upgrade before channel information compare the channel of just knowing renewal.In fact, many times Xin Zeng channel all is unnecessary to a lot of users, is other languages channels or encoded channel etc. as newly-increased channel.Because of the user can't learn the content that channel information upgrades in advance, can only passive execution search the platform operation, expend time in more and search platform, after once searching the platform flow process when being finished, when finding that this is searched platform and there is no need, both waste user time, also influenced user's experience.
Summary of the invention
The object of the present invention is to provide a kind of digital television channel information method for updating and digital television, solving the problem of whether carrying out channel update by the autonomous decision of user.
The present invention is achieved in that a kind of digital television channel information method for updating, and described method comprises:
A, from transport stream, parse the version number of network information table NIT or SDT Service Description Table SDT, with the NIT of the current use of digital television of the NIT that parses or SDT version number and storage or SDT version number relatively,, change step b if both are inconsistent;
B, the described digital television of control are carried out and are searched the platform flow process, upgrade its channel information.
More specifically, wherein step a specifically comprises:
A1, described digital television carry out demultiplexing and decoding to the transport stream that receives, parse information on services SI, from described SI, obtain the version number of described SDT, perhaps from described SI, parse Program Specific Information stream PSI, from described PSI, obtain the version number of described NIT;
A2, with the NIT of the current use of digital television of the NIT that parses or SDT version number and storage or SDT version number relatively if both are inconsistent, changes step b.
More specifically, wherein step a2 specifically comprises:
A21, with the NIT that parses or SDT version number and the current NIT that is using version number's memory space storage or SDT version number relatively if both are inconsistent, changes step a22;
A22, with the NIT of the NIT that parses or SDT version number and the memory space storage of the last uncared-for version number or SDT version number relatively if both are inconsistent, changes step b.
More specifically, wherein step a also comprises before the step b afterwards:
From described SI, resolve the channel information that makes new advances, described new channel information and the original channel information of described digital television are compared, search the more information of new channel according to comparative result, the information of described more new channel is shown to the user by the channel alteration menu.
More specifically, wherein step b specifically comprises:
B1, reception user choose the more control command of new option from described channel alteration menu, control described digital television execution and search the platform flow process, upgrade its channel information.
More specifically, wherein also comprise after the step b:
C, the version number that will parse NIT or SDT store described digital television into, cover the NIT or the SDT version number of the current use of digital television of storage before this.
The present invention also provides a kind of digital television, and described digital television comprises demultiplexing and decoder module, version number's comparison module, memory and MCU, wherein:
Described demultiplexing and decoder module are used for the transport stream that receives is carried out demultiplexing and decoding, parse the version number of network information table NIT or SDT Service Description Table SDT from described transport stream, and analysis result is transferred to described version number comparison module;
Described version number comparison module is used for the NIT of the current use of digital television of storing in the NIT that will parse or SDT version number and the described memory or SDT version number relatively, and comparative result is transferred to described MCU;
Described MCU is used in the NIT of the current use of digital television of the described NIT that parses or SDT version number and storage or SDT version number when inconsistent, controls described digital television and carries out and search the platform flow process;
Described memory is used for storing the NIT or the SDT version number of the current use of described digital television.
More specifically, described memory also is used for storing the last uncared-for NIT or SDT version number; Described version number comparison module also is used for the last uncared-for NIT that stores in the NIT that will parse or SDT version number and the described memory or SDT version number relatively, and comparative result is transferred to described MCU; Described MCU also is used in the NIT of the current use of digital television of the described NIT that parses or SDT version number and storage or SDT version number and the last uncared-for NIT or SDT version number when inconsistent, controls described digital television and carries out and search the platform flow process.
More specifically, described MCU also is used for covering NIT or SDT version number and the last uncared-for NIT or the SDT version number of the current use of digital television of described storage with the version number of described NIT of parsing or SDT after the platform flow process is searched in the described digital television execution of control.
More specifically, described digital television also comprises channel information comparison module, channel alteration menu generation module and display module, wherein:
Described demultiplexing and decoder module also are used for resolving the channel information that makes new advances from described transport stream, and described new channel information is transferred to described channel information comparison module; Described demultiplexing and decoder module also are used for inquiring about the more information of new channel according to the request of described channel information comparison module, and Query Result is fed back to described channel information comparison module;
Described channel information comparison module is used for described new channel information and the original channel information of described digital television are compared, confirm more new channel, to the information of described demultiplexing and the described more new channel of decoder module request, with the message transmission of the more new channel of described demultiplexing and decoder module feedback to described channel alteration menu generation module;
Described channel alteration menu generation module is used for generating the channel alteration menu according to the information of described more new channel, and described channel alteration menu is transferred to described display module;
Described display module is used for showing described channel alteration menu.
More specifically, described channel is changed menu and is comprised renewal and abandon two options for user's selection, described digital television also comprises the control signal receiver module, and described control signal receiver module is used for receiving the control command that the user chooses described renewal or abandons option.
More specifically, described MCU also is used for when the user chooses described more new option, controls described digital television and carries out and search the platform flow process, upgrades its channel information.
The present invention overcomes the deficiencies in the prior art, the current NIT that is using of storage digital television (Network Information Table in digital television, network information table) or SDT (ServiceDescription Table, SDT Service Description Table) Version Number (version number), regularly from TV signal, parse the Version Number of SDT or NIT then, the Version Number of VersionNumber that relatively parses and storage, if both are inconsistent, then obtain the channel information of renewal, with the information of new channel more, be shown to the user by menu mode, select whether to search again platform by the user.Technical scheme provided by the invention makes the user can understand the content that channel information upgrades in advance, and whether decision is upgraded the channel information of digital television as required, avoided the deficiency of the passive renewal digital TV channel of existing user information, improve the intellectuality and the hommization degree of product, satisfied user's request.
Description of drawings
Fig. 1 is an embodiment of the invention flow chart;
The digital television schematic diagram that Fig. 2 provides for the embodiment of the invention;
Fig. 3 is the channel alteration menu schematic diagram of the embodiment of the invention.
Embodiment
The technical scheme that provides of the present invention is: the Version Number of its current NIT that is using of storage or SDT in digital television, regularly from TV signal, parse the Version Number of SDT or NIT then, the Version Number that relatively parses and the Version Number of storage, if both are inconsistent, then obtain the more information of new channel, with the information of new channel more, be shown to the user by menu mode, select whether to search again platform by the user.
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
During specific implementation technical scheme provided by the invention, can in digital television, open up two memory spaces in advance, EEP_CURRENT_VER (the current version number's memory space that using) and EEP_IGNORE_VER (the last uncared-for version number memory space) are used to manage NIT or SDT version number information.Wherein, EEP_CURRENT_VER is used to store current NIT that is using of digital television or SDT version number, and after the platform operation was once searched in user's execution, the data among the EEP_CURRENT_VER will be upgraded; EEP_IGNORE_VER is used for storing last uncared-for NIT or the SDT version number that parses from digital television signal, when the user selected once " renewal " operation or selects once " to abandon " operation, the data among the EEP_IGNORE_VER will be upgraded.
Digital television regularly parses the VersionNumber (can be at every turn to start shooting and carry out when being the TV information source, perhaps carry out every a time period) of SDT or NIT from the TV signal that receives, and with EEP_CURRENT_VER in version number's contrast of storing.If that stores among the VersionNumber that parses and the EEP_CURRENT_VER is consistent, then do not do any action; If the Version Number and the EEP_CURRENT_VER that parse are inconsistent, the Version Number that then shows SDT or NIT has renewal, the data of storing among the Version Number that at this moment this is parsed and the EEP_IGNORE_VER compare: 1) if both are consistent, illustrate that this VersionNumber is that the user wishes to ignore, need not do any action, withdraw from wait and detect next time; 2) if both are inconsistent, the current up-to-date channel information renewal that has is described, then from the NIT that parses or SDT, obtain new channel information, new channel information and original channel information are compared, obtain the more information of new channel, comprise the newly-increased channel and the relevant information of channel after changing.
Specifically, can obtain Service List Descriptor (the rendition list descriptor of NIT, all program channel number and program category are provided) or the Service descriptor (traffic descriptor: information such as TV station's title and television programme title are provided) of SDT, compare with the channel list of the current storage of digital television, obtain Service newly-increased among NIT or the SDT (service according to comparative result, be example with new channel more in the embodiment of the invention), and will be more the channel of new channel, channel designation, frequency, information such as whether pay is shown to the user by menu mode, if the user need watch more new channel, then carry out and search the platform flow process, otherwise ignore.
Digital television parses SDT or NIT from the TV signal that receives Version Number process is as follows:
TS flows (transport stream, Transport stream) forms by one or multi-channel program, the per pass program is combined with each other by one or more primary flows and some other stream, comprise video flowing, audio stream, Program Specific Information stream (PSI, Program Specific Information) and other packets.Digital television carries out demultiplexing and decoding to the transport stream that receives, and parses information on services (SI, Service information), Program Specific Information stream and other packets.
PSI is used for describing the composition structure of TS stream, by specific PID (Packet Identifier, packet identifier) constitutes, it comprises PAT (Program Association Table, Program Association Table), PMT (Program Mapping Table, Program Map Table) and NIT (Network Information Table, network information table) etc.
SI comprises SDT, EIT (Event Information Table, Event Information Table), TDT (Timeand Date Table, TDT Time and Date Table), BAT information such as (Bouquet Association Table, BAT bouquet association tables).
Digital television carries out demultiplexing and decoding to the transport stream that receives, and parses SI and PSI.From SI, obtain SDT then, from PSI, parse NIT.With the NIT or the comparison of SDT version number of storing among the version number of the SDT that parses or NIT and the EEP_CURRENT_VER, if both are inconsistent, then with the NIT or the comparison of SDT version number of storing among the version number of the SDT that parses or NIT and the EEP_IGNORE_VER, if both still are inconsistent, then obtain the Service ListDescriptor of NIT or the Service descriptor of SDT, compare with the channel list of the current storage of digital television, obtain among NIT or the SDT the more information of new channel according to comparative result.Cable_delivery_system_descriptor by NIT searches each more frequency, channel, channel designation etc. of new channel then, find each more new channel information such as whether pay by SDT, more frequency, title, the channel of new channel and information such as whether pay are shown to the user by menu mode again.
Embodiment of the invention flow chart specifically comprises following step as shown in Figure 1:
1, the transport stream that receives is carried out demultiplexing and decoding, parse SI;
2, from SI, obtain SI and PSI, from PSI, parse NIT, perhaps from SI, obtain SDT, obtain the version number of SDT or NIT;
3, with the NIT or the comparison of SDT version number of storing among the version number of the SDT that parses or NIT and the EEP_CURRENT_VER;
4, are both inconsistent? if, change step 5, otherwise process ends.
5, with the NIT or the comparison of SDT version number of storing among the version number of the SDT that parses or NIT and the EEP_IGNORE_VER;
6, are both inconsistent? if, change step 7, otherwise process ends;
7, obtain the Service List Descriptor of NIT or the Service descriDtor of SDT, compare, confirm the channel that upgrades with current Service List;
8, search each more frequency, channel, channel designation and information such as whether pay of new channel, frequency, channel, the channel designation of new channel more and information such as whether pay are shown to the user by menu mode;
9, is the user according to the Information Selection " renewal " that shows? if change step 10, otherwise change step 11;
10, digital television is carried out and to be searched the platform flow process, and the SDT that parses or the version number of NIT are updated to EEP_CURRENT_VER and EEP_IGNORE_VER.
11, the SDT that parses or the version number of NIT are updated to EEP_IGNORE_VER.
The schematic diagram of digital television provided by the invention comprises as shown in Figure 1: demultiplexing and decoder module, control signal receiver module, version number's comparison module, microprocessor (MCU), channel information comparison module, channel alteration menu generation module, display module and memory.Wherein:
Demultiplexing and decoder module link to each other with the version number comparison module, are used for the transport stream of input is carried out demultiplexing and decoding, therefrom parse the version number of SDT or NIT, and the version number of SDT or NIT is transferred to version number's comparison module; Demultiplexing and decoder module also are used for parsing the Service List Descriptor of NIT or the Service descriptor of SDT from the transport stream of input, analysis result is transferred to the channel information comparison module, and search frequency, channel, the channel designation of new channel more and information such as whether pay according to the request of channel information comparison module, lookup result is transferred to the channel information comparison module;
Version number's comparison module links to each other with MCU with memory, be used for NIT or the comparison of SDT version number with EEP_CURRENT_VER storage in the version number of the SDT of demultiplexing and decoder module transmission or NIT and the memory, NIT or the comparison of SDT version number with EEP_IGNORE_VER storage in the version number of the SDT of demultiplexing and decoder module transmission or NIT and the memory are transferred to MCU with comparative result;
MCU links to each other with the channel information comparison module with decoder module with demultiplexing, is used for according to the comparative result control demultiplexing of version number's comparison module transmission and the operation of decoder module and channel information comparison module; When the NIT of EEP_CURRENT_VER and EEP_IGNORE_VER storage or SDT version number were all inconsistent in the version number that shows the SDT of demultiplexing and decoder module transmission or NIT as the comparative result when the transmission of version number comparison module and the memory, MCU controlled demultiplexing and decoder module is transferred to the channel information comparison module with the Service List Descriptor of NIT or the Service descriptor of SDT; In addition, MCU also is used for searching the platform flow process according to " renewals " control command control figure television set execution of user input, and the SDT that parses or the version number of NIT are updated to EEP_CURRENT_VER and EEP_IGNORE_VER; According to " abandoning " control command of user input the SDT that parses or the version number of NIT are updated to EEP_IGNORE_VER;
The channel information comparison module links to each other with channel alteration menu generation module, be used for the ServiceList Descriptor of NIT or the Service descriptor of SDT and the channel list of the current storage of digital television are compared, the channel that upgrades among NIT that affirmation parses or the SDT, and be used for searching each more frequency of new channel to demultiplexing and decoder module request, channel, channel designation and information such as whether pay are with the frequency of the more new channel of demultiplexing and decoder module transmission, channel, channel designation and message transmission such as whether pay are to channel update menu generation module;
Channel update menu module links to each other with display module, is used for generating the channel update menu according to frequency, channel, the channel designation of new channel more and information such as whether pay, and the channel update menu is transferred to display module;
Display module is used for indicated channel and upgrades menu, this channel update menu comprises the information of new channel more and " renewal " and " abandoning " two options of selecting for the user, the schematic diagram of channel update menu as shown in Figure 3, comprise new channel more channel, channel designation, whether pay and frequency and " renewal " and " abandoning " two options (and corresponding prompt information), as:
Channel
*: national geography pay TV frequency 379MHz;
Channel
*: the non-pay TV frequency 403MHz of central authorities' eight covers;
......
Prompting: select " renewal " then to search platform again, select " abandoning " please cancel this renewal.
The control signal receiver module is used for receiving the control command that user's selected channel is upgraded " renewal " or " abandoning " option in the menu, and control command is transferred to MCU;
Memory is used for storing EEP_CURRENT_VER and EEP_IGNORE_VER; Wherein, EEP_CURRENT_VER is used to store the version number of current NIT that is using of digital television or SDT, and EEP_IGNORE_VER is used to store last uncared-for NIT or SDT version number.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. digital television channel information method for updating, described method comprises:
A, from transport stream, parse the version number of network information table NIT or SDT Service Description Table SDT, with the NIT of the current use of digital television of the NIT that parses or SDT version number and storage or SDT version number relatively,, change step b if both are inconsistent;
B, the described digital television of control are carried out and are searched the platform flow process, upgrade its channel information.
2. method according to claim 1 is characterized in that, wherein step a specifically comprises:
A1, described digital television carry out demultiplexing and decoding to the transport stream that receives, parse information on services SI, from described SI, obtain the version number of described SDT, perhaps from described SI, parse Program Specific Information stream PSI, from described PSI, obtain the version number of described NIT;
A2, with the NIT of the current use of digital television of the NIT that parses or SDT version number and storage or SDT version number relatively if both are inconsistent, changes step b.
3. method according to claim 2 is characterized in that, wherein step a2 specifically comprises:
A21, with the NIT that parses or SDT version number and the current NIT that is using version number's memory space storage or SDT version number relatively if both are inconsistent, changes step a22;
A22, with the NIT of the NIT that parses or SDT version number and the memory space storage of the last uncared-for version number or SDT version number relatively if both are inconsistent, changes step b.
4. method according to claim 2 is characterized in that, wherein also comprises before the step b after the step a:
From described SI, resolve the channel information that makes new advances, described new channel information and the original channel information of described digital television are compared, search the more information of new channel according to comparative result, the information of described more new channel is shown to the user by the channel alteration menu.
5. method according to claim 4 is characterized in that, wherein step b specifically comprises:
B1, reception user choose the more control command of new option from described channel alteration menu, control described digital television execution and search the platform flow process, upgrade its channel information.
6. method according to claim 1 is characterized in that, wherein also comprises after the step b:
C, the version number that will parse NIT or SDT store described digital television into, cover the NIT or the SDT version number of the current use of digital television of storage before this.
7. a digital television is characterized in that, described digital television comprises demultiplexing and decoder module, version number's comparison module, memory and MCU, wherein:
Described demultiplexing and decoder module are used for the transport stream that receives is carried out demultiplexing and decoding, parse the version number of network information table NIT or SDT Service Description Table SDT from described transport stream, and analysis result is transferred to described version number comparison module;
Described version number comparison module is used for the NIT of the current use of digital television of storing in the NIT that will parse or SDT version number and the described memory or SDT version number relatively, and comparative result is transferred to described MCU;
Described MCU is used in the NIT of the current use of digital television of the described NIT that parses or SDT version number and storage or SDT version number when inconsistent, controls described digital television and carries out and search the platform flow process;
Described memory is used for storing the NIT or the SDT version number of the current use of described digital television.
8. digital television according to claim 7 is characterized in that, described memory also is used for storing the last uncared-for NIT or SDT version number; Described version number comparison module also is used for the last uncared-for NIT that stores in the NIT that will parse or SDT version number and the described memory or SDT version number relatively, and comparative result is transferred to described MCU; Described MCU also is used in the NIT of the current use of digital television of the described NIT that parses or SDT version number and storage or SDT version number and the last uncared-for NIT or SDT version number when inconsistent, controls described digital television and carries out and search the platform flow process.
9. digital television according to claim 8, it is characterized in that, described MCU also is used for covering NIT or SDT version number and the last uncared-for NIT or the SDT version number of the current use of digital television of described storage with the version number of described NIT of parsing or SDT after the platform flow process is searched in the described digital television execution of control.
10. digital television according to claim 7 is characterized in that described digital television also comprises channel information comparison module, channel alteration menu generation module and display module, wherein:
Described demultiplexing and decoder module also are used for resolving the channel information that makes new advances from described transport stream, and described new channel information is transferred to described channel information comparison module; Described demultiplexing and decoder module also are used for inquiring about the more information of new channel according to the request of described channel information comparison module, and Query Result is fed back to described channel information comparison module;
Described channel information comparison module is used for described new channel information and the original channel information of described digital television are compared, confirm more new channel, to the information of described demultiplexing and the described more new channel of decoder module request, with the message transmission of the more new channel of described demultiplexing and decoder module feedback to described channel alteration menu generation module;
Described channel alteration menu generation module is used for generating the channel alteration menu according to the information of described more new channel, and described channel alteration menu is transferred to described display module;
Described display module is used for showing described channel alteration menu.
11. digital television according to claim 10, it is characterized in that, described channel is changed menu and is comprised renewal and abandon two options for user's selection, described digital television also comprises the control signal receiver module, and described control signal receiver module is used for receiving the control command that the user chooses described renewal or abandons option.
12. digital television according to claim 11 is characterized in that, described MCU also is used for when the user chooses described more new option, controls described digital television and carries out and search the platform flow process, upgrades its channel information.
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| CN2009102388932A CN102118647A (en) | 2009-12-31 | 2009-12-31 | Method for updating channel information of digital television set and digital television set thereof |
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| CN2009102388932A CN102118647A (en) | 2009-12-31 | 2009-12-31 | Method for updating channel information of digital television set and digital television set thereof |
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| CN102413366A (en) * | 2011-12-02 | 2012-04-11 | 深圳Tcl新技术有限公司 | Method and device for searching channels in digital television |
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| CN103024518A (en) * | 2012-12-24 | 2013-04-03 | 青岛海信宽带多媒体技术有限公司 | Generation method and generation device of network information table transport stream |
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| CN104822081A (en) * | 2015-05-13 | 2015-08-05 | 四川金网通电子科技有限公司 | Method for updating NIT version number of digital television system front-end frequency point |
| CN112153377A (en) * | 2020-09-27 | 2020-12-29 | 山东云缦智能科技有限公司 | Live television channel change automatic test system and method based on image recognition technology |
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| CN104469474B (en) * | 2014-10-28 | 2017-11-28 | 深圳国微技术有限公司 | A kind of channel list update method, device and terminal device |
| CN104469474A (en) * | 2014-10-28 | 2015-03-25 | 深圳国微技术有限公司 | Channel list updating method and device, and terminal device |
| CN104461652A (en) * | 2014-12-26 | 2015-03-25 | 珠海迈科智能科技股份有限公司 | Set top box software updating method and system |
| CN104461652B (en) * | 2014-12-26 | 2017-11-03 | 珠海迈科智能科技股份有限公司 | Set top box software updating method and system |
| CN104822081A (en) * | 2015-05-13 | 2015-08-05 | 四川金网通电子科技有限公司 | Method for updating NIT version number of digital television system front-end frequency point |
| CN112153377A (en) * | 2020-09-27 | 2020-12-29 | 山东云缦智能科技有限公司 | Live television channel change automatic test system and method based on image recognition technology |
| CN115002507A (en) * | 2022-07-29 | 2022-09-02 | 飞狐信息技术（天津）有限公司 | Video data updating method, device, equipment and readable storage medium |
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