CN101098445A - Television program receiving equipment and method for receiving and broadcasting television program - Google Patents
Television program receiving equipment and method for receiving and broadcasting television program Download PDFInfo
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- CN101098445A CN101098445A CNA2006101001577A CN200610100157A CN101098445A CN 101098445 A CN101098445 A CN 101098445A CN A2006101001577 A CNA2006101001577 A CN A2006101001577A CN 200610100157 A CN200610100157 A CN 200610100157A CN 101098445 A CN101098445 A CN 101098445A
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Abstract
The invention provides a television program receiver of condition receiving system and a method for receiving and playing television program, for providing information display service, as information transmission, receiving and displaying. When user selects the television program not opened to the user, the receiver automatically play a television program pre-stored in the receiver, provided by operator, as advertisement or program instruction. The service provided by the invention comprises that (1), operator selects advertisement or program instruction to play, (2), the receiver receives advertisement or program instruction to analyze the storage demand, (3), the receiver judges if user has priority to watch selected program, when user has no priority, the receiver triggers to play the advertisement or program instruction not interfered.
Description
Technical field
The present invention relates to the program receiving apparatus in the condition receiving system and the method for reception and broadcast TV programme thereof.The present invention be more particularly directed to utilize television program receiving equipment and the reception of this television program receiving equipment and the method for broadcast TV programme of existing digital television broadcasting system, SI (information on services), the PSI (program specific information) of its utilization in the MPEG2 standard transmits the information of advertisement or TV guide, and the advertisement of operator's broadcasting or the information of TV guide are received, store and play.
Background technology
Pay TV is the characteristics of Digital Television, and condition receiving system is the necessary means that realizes pay TV, and condition receiving system is by the undelegated visit of prevention to streaming medium content, thus the assurance benefits of operators.Condition receiving system is used widely in digital television broadcasting system, and the user can obtain different rights by buying.
If sufficient bandwidth is arranged, advertisement or TV guide can be distributed at an easy rate.But, use independently bandwidth to transmit advertisement or TV guide meeting waste resource.Simultaneously, the time of broadcast advertisement and TV guide also is an important factor for the user.Selecting form, static text or the dynamic program etc. of advertisement and TV guide, also all is the problem that operator will consider.As static text, have the advantage that data volume is little, be easy to propagate, its shortcoming is relatively poor to user's friendly.
At present, on Digital Television, provide advertisement, had a lot of methods to propose, comprising the advertisement of advertisement that static text is arranged and dynamic program.In documents 1, a kind of apparatus and method that advertisement is provided on digital television are disclosed, it can provide static copy service.
The main contents of the apparatus and method that advertisement is provided on digital television of documents 1 are:
The ad content of static text is inserted in the service information data,, passes to Digital Television by digital TV broadcasting network;
After digital television receiver receives service information data, obtain the ad content of static text, store;
When the user selects a new channel, show information and the static text advertisement relevant automatically with this channel, the user must watch information and the advertising message relevant with this channel when the selection new channel.
The advertising service that documents 1 provides the purpose of the apparatus and method of advertisement to be to provide static text on digital television, the advantage of this method are to have saved the transmission advertisement or the bandwidth of TV guide.This service is watched this advertisement for when the user selects new channel.Yet documents 1 also leaves problem to be had to be solved.
Because documents 1 is to be inserted in the table that defines in the SI standard to come for Digital Television provides advertisement by the ad content with static text, thereby the content that can transmit is few.This just causes for example in the embodiment of documents 1, the maximum length of ad content only is 256 bytes, the ad content that can comprise is quite limited, thereby the advertisement that documents 1 is provided also just only limits to the advertisement of static text, and for example can not provide dynamic advertisement such as short-movie program.The relative dynamic advertisement, the advertisement of static text is friendly inadequately for the user, and contained amount of information is few.
In addition, in documents 1, when each user's channel change, the user must watch advertisement.And bought usufructuary channel for those users, and also still with not buy usufructuary channel the same, all carry out the broadcast of advertisement, therefore, in documents 1, the triggered time that advertisement is play fails reasonably to be controlled.
Documents 1: the open CN200410063571.6 of Chinese patent application.
Summary of the invention
The present invention finishes in view of above problem points of the prior art, its purpose is to provide a kind of television program receiving equipment of condition receiving system and the method for reception and broadcast TV programme thereof, thereby can on digital television, provide the dynamic predetermined TV programme that is associated with channel, for example advertisement or program introduction, and the broadcast of predetermined TV programme only triggers when the user has selected the user not have channel that right watches.
Particularly, a first aspect of the present invention provides a kind of television program receiving equipment, comprising: the channel selection receiver is used to receive user-selected channel information; Signal receiver is used to receive the TV programme of user-selected channel, and extracts the PID in the above-mentioned TV programme; Image processing module is connected with above-mentioned signal receiver, is used to produce the TV Festival destination data with form that display device can show; Conditional Access Module is used to store right information, and which channel user this right information indicates have the right to watch; And controller, the telerecording that is used for being received by above-mentioned signal receiver is characterized in that in the memory block above-mentioned signal receiver checks further whether the PID that is extracted is the predetermined PID of predetermined TV programme; This television program receiving equipment also comprises memory, is used to store the table with channel information, is stored in wherein that each predetermined TV programme is associated with this channel information in the above-mentioned memory block; Above-mentioned controller carries out following action, that is: control above-mentioned memory block predetermined TV programme is carried out record, and according to the channel information of above-mentioned channel selection receiver reception and the right information in the Conditional Access Module, judge whether the user has the right to watch the channel that this is user-selected, when the user haves no right to watch selected this channel, control above-mentioned memory block play in this memory block, store, according to the above-mentioned table in the above-mentioned memory that obtain with the corresponding above-mentioned predetermined TV programme of user-selected channel.
A second aspect of the present invention provides a kind of television program receiving equipment to receive and play the method for TV programme, may further comprise the steps: the information of the channel that the input user selects; Receive the TV programme of selected channel; PID in the TV programme that extraction receives; The TV Festival destination data that generation receives, these data have the form that display device can be play; The storage right information, which channel user this right information indicates have the right to watch; Control write down above-mentioned TV programme in the memory block, it is characterized in that,, check whether the PID that is extracted is the predetermined PID of predetermined TV programme in the said extracted step; Further be included in the step of storing the table with channel information in the memory, each the predetermined TV programme that wherein is stored in the above-mentioned memory block is associated with this channel information; In above-mentioned controlled step, further carry out following action: control above-mentioned memory block predetermined TV programme is stored, by checking right information about the above-mentioned channel information of importing at above-mentioned input step, judge whether the user has the right to watch the channel that this is user-selected, when the user haves no right to watch selected channel, control above-mentioned memory block play in this memory block, store, according to the above-mentioned table in the above-mentioned memory that obtain with the corresponding above-mentioned predetermined TV programme of user-selected channel.
The invention effect
Above constitute according to of the present invention, television program receiving equipment is based on PID and comes the TV programme storage of classifying, thereby the predetermined TV programme that is associated with channel can automatically be stored in the memory block and upgrade.
According to the present invention, have only when the user has selected the user not have channel that right watches, Cun Chu the predetermined TV programme that is associated with channel just is played in advance.If the channel that the user selects a user to have the right to watch, the user can directly watch the program of this channel, and is not affected.The predetermined TV programme that is associated with channel obtained playing in the suitable time, made comfortable the watching of user.
Description of drawings
Fig. 1 provides the pie graph of terminal system of television program receiving equipment of the service of the present invention explanation.
Fig. 2 provides the pie graph of digital television broadcasting system front end of the service of the present invention explanation.
Fig. 3 is the schematic diagram that inserts the method for the predetermined content of TV program that is associated with channel at the digital television broadcasting system front end.
Fig. 4 is a controller control receiving equipment with PID2 (the predetermined content of TV program PID that is associated with channel) storage, with the schematic diagram of PID1 programme content broadcast.
Fig. 5 is the bit stream syntax figure of network information table (NIT) among the explanation PSI.
Fig. 6 is the bit stream syntax figure that the specific definition of the descriptor that needs the privately owned definition used among the present invention among the NIT is inserted in explanation.
Fig. 7 is the schematic diagram about content of the present invention that explanation obtains in NIT.
Fig. 8 is the attribute form of the TV programme that is associated of the predetermined and channel in the memory block.
Fig. 9 is the schematic diagram of distribution of the memory block of explanation television program receiving equipment terminal.
Figure 10 is the logic diagram of the predetermined TV programme that is associated with channel of upgrading in time of embodiment one.
Figure 11 is the logic diagram of the predetermined TV programme that is associated with channel of upgrading in time of embodiment two.
Figure 12 is the schematic diagram of the process of the predetermined TV programme broadcast that is associated with channel of explanation.
The example of the picture of display screen when Figure 13 provides of the present invention the service.
Embodiment
In embodiments of the present invention, selector top box (STB) describes the realization of service provided by the present invention in detail as an example of television program receiving equipment.In the present embodiment, the content that the digital television broadcasting system front end is selected to insert is predetermined TV programme, and predetermined TV programme is the ad content of not scrambling in example.Simultaneously, this predetermined TV Festival destination packet is designated predetermined bag sign.
The most implementation of the service that is provided (comprising Video service) of digital television broadcasting system is: insertion information in the table that defines in PSI (program specific information) and SI standards such as (information on services).After set-top box receives information,, the code stream that set-top box and set-top box receive is handled accordingly, thereby realized various services according to resultant information.The present invention also takes such basic mode.
Groundwork flow process of the present invention is that the utilization of digital television broadcasting system front end is replaced by ad content with original empty bag in the system, thereby inserts the ad content of not scrambling in code stream, and broadcasting system front end will insert among the PSI about the information of ad content simultaneously.When set-top box receives TS (transport stream, transport stream), determine the ad content that in code stream, whether exists this set-top box to store thereby analyze the PSI data.If comprise the ad content that this set-top box need be stored in the code stream, then store this ad content into suitable memory block automatically, select the channel be associated with this ad content as the user, and during this channel of having no right to watch, set-top box is play the correspondent advertisement content of storing in the memory block automatically.
The process that program receiving apparatus of the present invention received and play TV programme mainly is divided into 4 parts:
1. at the digital television broadcasting system front end, utilize the sky bag is replaced to the TS bag that pre-determines PID that comprises ad content, and will insert among the NIT, about the privately owned descriptor of the information of ad content with reference to figure 2, Fig. 3, Fig. 5, Fig. 6.
2. set-top box is stored automatically and is upgraded ad content, with reference to figure 1, Fig. 4, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11.
3. play the trigger mechanism of ad content, with reference to L301 to L305 among Figure 12 or L306.
4. the playing process of ad content is with reference to L305 to L312 among Figure 12, Figure 13.
Below, will at length describe with reference to the accompanying drawings embodiments of the invention.
The abbreviation table
EIT: Event Information Table
NIT: network information table
PID: bag sign
PMT: Program Map Table
PSI: Program Specific Information
SDT: service describing table
SI: information on services
STB: set-top box
TS: transport stream
Fig. 1 provides the pie graph of terminal system of the television program receiving equipment of service of the present invention.Set-top box as television program receiving equipment comprises signal receiver 100, data-analyzing machine 200, image processing module 300, channel selection receiver 400, controller 500, memory block 600, Conditional Access Module 700 and memory 800.Below, with reference to each functions of components of figure 1 explanation set-top box.
Signal receiver 100 comprises tuner and demodulation multiplexer, is used for reception, demodulation high-frequency signal, regenerates TS, and according to different PID Various types of data is separated.
Data-analyzing machine 200 is used for receiving the information of TS, and therefrom extracts about Useful Information of the present invention, for example the PID of the received TV programme of tuner.
Fig. 2 provides the pie graph of the front end broadcast system that the front end system of service of the present invention realizes.
With reference to figure 2, the digital television broadcasting system front end comprises conditional access system front-end (CAS) H100, Subscriber Management System (SMS) H200, SI generator (SIG) H300, multiplexer H400, scrambler H500, replaces device H600 and ad content server H700.
Conditional access system front-end H100 is used for the control information of generation condition reception and the distribution of key.
Subscriber Management System H200 is used to store all users' information.
SI generator H300 is used to produce information on services, and the information of relevant ad content is inserted NIT.
Multiplexer H400 is used for basic stream is multiplexed into TS stream.
Scrambler H500 is used for the TS bag that scrambling TS wants scrambling.
Replacing device H600 is used for the sky bag of TS stream is replaced to the bag that the specified packet sign is arranged that includes ad content.
Ad content server H700 is used to store the ad content that is used to distribute.
Below, 4 parts that the set-top box of present embodiment received and plays the process of TV programme describe respectively.
1. at broadcasting system front end, insert ad content and relevant ad content information
Present digital television broadcasting system in code stream, except the video of program is arranged, outside audio frequency and the captions etc., also has PSI and SI information, and PSI and SI information are the most basic information in the transmission.The PSI data provide can be so that terminal be provided with the various flows of demultiplexing and a plurality of programs of decoding automatically.The SI data provide more information about service and program for the user.
(1) the insertion method of ad content
At digital television broadcasting system, in order to guarantee constant code check, system need insert empty bag in transmitting stream.The distribution of ad content replaces with the bag that includes ad content and carries out by transmitting in the stream sky bag that had, so the front end of digital television broadcasting system is not required to be ad content distributing independent bandwidth, thereby can under the situation that normal program transmission is not had influence, transmit dynamic advertisement and TV guide.
In embodiment 1, in replacing device H600, empty coat system allocated in advance PID, pay(useful) load is that the TS bag of ad content replaces.Like this, the insertion method of ad content is identical with data carousel, thereby makes load the TS bag of ad content be arranged not as an independently program stream distribution.In Fig. 3, the method that the sky bag among the TS of PID1 program is replaced with the insertion of the ad content bag with PID2 has been described.The method of this insertion ad content can be used bandwidth reserved in the transmission, thereby does not influence the distribution of normal program.
Sky is surrounded by definite PID0x1FFF, when replacing device H600 and detect that PID is the bag of 0x1FFF among the TS, it is replaced to the TS bag that comprises the ad content in the ad content server.Wherein, the PID that includes the TS bag of ad content is the PID that distributes to ad content in the SI generator, cannot reuse in same TS.
(2) the insertion method of ad content information
NIT is a kind of table information in the PSI information, and the content of NIT transmission is the physical organization of an existing network, multiplexing TS and the information of network characteristic.The concrete syntax of NIT table as shown in Figure 5, wherein, content among the network_descriptors_length is the descriptor to the description of existing network, descriptor in transport_stream_loop_length is for flowing to the descriptor of line description to each TS, wherein can comprise the description of the operator, physical parameter etc. of this TS.In the present invention, select ad content information description is inserted among the transport_stream_loop among the NIT.
The particular content that is inserted into the ad content descriptor among the NIT is with reference to figure 6, and the marker character of the descriptor of selection is the identifier that the user in the MPEG2 standard keeps, for example 0x80.Wherein, the PID of advertisement video PID sign ad content video can be so that set-top box receives the video flowing of ad content information.The PID of advertisement audio PID sign ad content audio frequency can be so that set-top box receives the audio stream of ad content information.Advertisement version is one of triggering of upgrading ad content.The field that keeps can be used for transit carrier and wish other additional information about ad content of transmitting.
2. set-top box is stored and the renewal ad content automatically
Do not influencing under the function that the user normally uses set-top box, set-top box needs to receive, store and the ad content of renewal and channel association.And the ad content of reception, storage and renewal and channel association must be without any need for user's instruction.
In order to realize this function of set-top box, controller 500 distributes memory block 600 according to function.
(1) distribution of set-top box memory block
As shown in Figure 9, in order to utilize the memory block in the set-top box fully, according to function be: promoter region, user program area and user area with memory partitioning.
The start-up routine of promoter region memory machine top box cannot carry out any change.The system application of user program area memory machine top box can upgrade, upgrade.The user area is that system is the free space that the user reserves.At this, user storage area is distributed a certain size memory block for each TS that exists in network.
(2) setting of ad content attribute list
After the address assignment of carrying out the memory block, ad content attribute list as shown in Figure 8 of storage in memory 800.In the ad content attribute list, the item of setting has channel, TS number, distribute the version of the ad content of address in the memory block of the operator of this advertisement, ad content, storage.The particular content of ad content attribute list as shown in Figure 8.
This ad content attribute list can with addresses distributed with carry out for TS number corresponding, and in its each, establish into initial value (for example, distribute the operator of this advertisement, 0xFFFF, the version number of the ad content of storage, 0xFF).By the ad content attribute list, can carry out the information of the ad content information in the memory block (version number of the ad content of the address of the operator, ad content that distributes this advertisement in the memory block, storage) and its TV programme that is associated (channel, TS number) related, thereby the ad content of storing in the memory block is carried out record.
(3) trigger mechanism of ad content storage
The triggering of ad content storage is that the version of the ad content that pre-determines PID in the TS transmission takes place when being higher than the version that has been stored in the ad content in the storage medium in the set-top box.
At the digital television broadcasting system front end, ad content information is inserted NIT, in NIT, in description to TS stream, the information of the ad content that sign is inserted.After the signal receiver 100 of set-top box receives NIT, be transferred to data-analyzing machine 200.Data-analyzing machine 200 is analyzed data wherein after obtaining NIT, obtain the quantity of transmission TS in this network, and obtains the situation of the ad content of subsidiary transmission among the TS, comprises ad content video PID, ad content audio frequency PID and ad content version number.Data-analyzing machine 200 is set up the connection between them as shown in Figure 7.For example, in Fig. 7, TS number is 1 code stream, and operator is Beijing, has ad content in the code stream, and its ad content video PID is 2, and ad content audio frequency PID is 3.
Below, with reference to Figure 10, upgrade in time the flow process of ad content of present embodiment is described.
The user selects program according to programme, and when channel selection receiver 400 receives the user when selecting the signal of program, controller 500 is set to signal receiver 100 to receive the TS at this program place.At step L101, controller 500 checks whether the ad content of this TS in the ad content attribute list shown in Figure 8 exists.As existing, then at step L102, obtain the ad content attribute list of storing in the memory as shown in Figure 8, thereby obtain the concrete numerical value of version number.The height that compares version number with the version number of the ad content that is stored in the set-top box memory block of the advertising message in transmission at step L103.If version number's height of the advertising message in the transmission, then at step L104, the ad content that controller 500 control signal receiver 100 receive among the TS.Then, at step L106, the address according to indicated in the ad content attribute list is stored to the memory block with ad content.At last, upgrade ad content attribute list shown in Figure 8 at step L107.Like this, finished action shown in Figure 4.If the version number of the advertising message in the transmission is identical with the version number of the ad content that is stored in the set-top box memory block or be lower than this version number, then in step L105, the ad content in the transmission is not received and stores.
3. the trigger mechanism play of ad content
The triggering that ad content is play is to take place when the program that the user has selected to have no right to watch.The trigger process of advertisement being play below with reference to Figure 12 describes.
In the present embodiment, the judgement whether user haves no right to watch has following 2 parts:
(1) whether the condition receiving system and the Conditional Access Module in the set-top box of distribution program are not same system;
(2) condition receiving system and the Conditional Access Module in the set-top box of distribution program are same system, but the user does not have to buy the right of watching this program.
In part 1, the process that controller 500 obtains authority of a user information is:
When the user opened set-top box, Conditional Access Module 700 returned the user and comprises user's the power and the information of the condition receiving system under the user.
At step L301, channel selection receiver 400 receives the channel that the user selects, at step L302, data-analyzing machine 200 receives the PMT of this channel, the condition that obtains this channel receives attribute, and for example, this channel is a condition receiving system under channel available for free or this channel.Data-analyzing machine 200 receives attribute transfer to controller 500 with the condition of channel.
At step L303, controller 500 receives the information that Conditional Access Module 700 returns in attribute and the set-top box with the condition of channel and compares, if the identical conditions receiving system, then enter step L304, carry out the judgement of part 2, if channel is a channel available for free, then the user has the right to watch.If the condition receiving system and the Conditional Access Module in the set-top box 700 of this channel of control are not same system, then the user haves no right to watch.At this moment, trigger the broadcast of ad content.
In the part 2, the process that controller obtains authority of a user information is:
At step L304, after the condition receiving system of controller 500 definite this channel of control in first and the Conditional Access Module in the set-top box 700 are same system, Conditional Access Module 700 is watched user profile in the set-top box, returns the information whether controller 500 users have the right to watch this channel.If the user haves no right to watch, then trigger the broadcast of ad content.
4. the playing process of ad content
Playing process comprises: controller 500 determines that the ad content that address, the controller 500 of ad content in memory block 600 of needs broadcast will need to play is sent to graphics processing unit 300 etc.As follows in conjunction with Figure 12 to the process description of this playing process:
Receive and play in the 3rd part of process of TV programme in the set-top box of the embodiment of the invention, determined that the user haves no right to watch selected channel, trigger the broadcast of ad content.As the playing process of ad content, specific as follows.
At first, controller 500 takes out the advertisement attributes table as shown in Figure 8 of storage in memory 800, at step L305, obtains the version number with this channel corresponding advertising content.At step L308, if version number is not 0xFF (initial setting up, this version number is identified in the corresponding address, memory block, do not preserve ad content), then show in the memory block and exist with this channel corresponding advertising content, enter step L307, controller 500 will be sent to graphics processing unit 300 with this channel corresponding advertising content in the memory block.If version number is 0xFF, then show in the memory block and do not exist with this channel corresponding advertising content, enter step L309, the next TS that plays with operator of controller 500 search, if comprise the channel that the user selects among the TS that together operator plays down, then enter step L311, the reason that explicit user can not be seen, then, wait for the reception ad content at step L312 controller 500 control signal receivers 100.If do not comprise the channel that the user selects among the TS that together operator plays down, then enter step L305 and proceed search.
The user is when system boot, obtain programme, Conditional Access Module 700 returns user profile simultaneously, and controller 500 obtains the information whether user corresponding to each channel has the right to watch, simultaneously, data-analyzing machine 200 returns corresponding advertising content information among controller 500 each TS.
After channel selection receiver 400 users had selected program, at step L201, whether the ad content of this TS existed in the advertisement attributes table that controller 500 is checked as shown in Figure 8.Exist as this ad content, then in step L203, step L204 judge the TS at channel place of user's selection, whether have the channel that the user haves no right to watch.If the channel that does not exist the user to have no right to watch then enters step L210, the ad content among the TS is not received and stores.If in this TS, when having the program that the user can not see, then obtain the concrete numerical value of the version number of this TS associated advertisement of storing in the memory at step L209.At step L205, controller 500 compares the height of version number with the version number of the ad content that is stored in the set-top box memory block of the advertising message in transmission.If version number's height of the advertising message in the transmission then carries out the reception of ad content at step L206.After receiving ad content,, upgrade the ad content attribute list at step L208 then in the memory address that step L207 stores the ad content correspondence that receives.If the version number of the advertising message in the transmission is identical with the version number of the ad content that is stored in the set-top box memory block or lower, then enter step L210, the ad content in the transmission is not received and stores.
In embodiment 2, owing to only preserve the correspondent advertisement content of the channel that the user haves no right to watch, so for embodiment 1, can save the part memory block.
Operator generally uses a plurality of TS to transmit the program of this operator when operation.When the user started shooting, data-analyzing machine 200 obtained the corresponding relation of TS and operator from NIT, and this information is delivered to controller 500.Controller 500 distributes the memory space with regular length for each operator.
In the TS of the channel that receives user's selection, when including the ad content of a certain operator transmission, controller 500 checks in the ad content attribute list whether the ad content of this TS exists.
If this ad content exists in the ad content attribute list, comparative advertising contents version number then.If the ad content version number height in the transmission is then stored this ad content, and after storage, upgrade this ad content attribute list; If the ad content version number of this TS in ad content version number and the ad content attribute list in the transmission is identical or be lower than the ad content version number of this TS in the ad content attribute list, then do not store.
If the ad content of this TS does not exist in the ad content attribute list, then controller 500 determines whether there is vacant memory space in the memory block of the operator that distributes to this TS of transmission.If there is vacant memory space, then in vacant memory space, preserve this ad content.If there is not clearance spaces, be assigned to the height of version number of the ad content of existing in the memory block of this operator, this operator's distribution in the version number of the advertising message of 500 comparisons of controller in transmission and the set-top box.If version number's height of the advertising message in the transmission, the ad content that controller 500 control signal receiver 100 receive among the TS, and be stored to address indicated in the ad content attribute list, and after storage, upgrade this ad content attribute list.If the version number of the advertising message in the transmission is identical or lower with the version number of the ad content of this operator's distribution that is stored in the set-top box memory block, then the ad content in the transmission is not stored.
In embodiment 3, owing to only carry out the distribution of memory block for operator, so for embodiment 1, more flexible.
In the explanation of embodiment, the programme content that the operator of broadcasting system front end transmission inserts is advertisement, in invention, only as example, wishes the program that broadcasts but this content also can be any operators such as the introduction, charge introduction of program introduction, operator.
In the present invention, PID that the TV programme that the operator of broadcasting system front end transmission inserts is associated and other information can be inserted in during except that NIT other show, for example privately owned table etc.
In the present invention, the memory block can be any storage medium and driver thereof, for example driver of hard disk and hard drive program, DVD-RAM and DVD-RAM driver, flash memory and flash memory etc.
In the present invention, data-analyzing machine and controller also can be realized by software.
In the present invention, condition receiving system can return authority of a user information, and in concrete enforcement, set-top box can receive the information among the TS, compares with the setting of this machine, thereby also reaches the effect that control receives.At this moment, the controlled information of channel is realized that by the software in the set-top box for example father and mother's control (information that front end sends exists among the EIT), Region control (information that front end sends exists among the SDT) etc. all can be used method of the present invention equally.
Claims (12)
1. television program receiving equipment comprises:
The channel selection receiver is used to receive user-selected channel information;
Signal receiver is used to receive the TV programme of user-selected channel, and extracts the PID (bag sign) in the described TV programme;
Image processing module is connected with described signal receiver, is used to produce the TV Festival destination data with form that display device can show;
Conditional Access Module is used to store right information, and which channel user this right information indicates have the right to watch; And
Controller, the telerecording that is used for being received by described signal receiver is characterized in that in the memory block,
Described signal receiver checks further whether the PID that is extracted is the predetermined PID of predetermined TV programme;
This television program receiving equipment also comprises memory, is used to store the table with channel information, is stored in wherein that each predetermined TV programme is associated with this channel information in the described memory block;
Described controller carries out following action, that is:
Control described memory block predetermined TV programme carried out record,
And, judge whether the user has the right to watch the channel that this is user-selected according to the channel information of described channel selection receiver reception and the right information in the Conditional Access Module,
When the user haves no right to watch selected this channel, control described memory block play in this memory block, store, according to the described table in the described memory that obtain with the corresponding described predetermined TV programme of user-selected channel.
2. television program receiving equipment according to claim 1 is characterized in that,
Described signal receiver is according to the right information in the Conditional Access Module, checks that further whether the described TV programme that received is the TV programme of user's channel of having the right to watch;
The predetermined TV programme of the channel that storage user in described controller control store district haves no right to watch, and do not store the predetermined TV programme that is associated with channel that the user has the right to watch.
3. television program receiving equipment according to claim 1 is characterized in that,
Described signal receiver further detects the lastest imformation in the predetermined TV programme that is received;
Described table in the described memory further have be stored in described memory block in the corresponding lastest imformation of each channel information;
Described controller
Relatively by the lastest imformation in the lastest imformation of described signal receiver inspection and the described table corresponding with the channel information of the predetermined TV programme that is received;
When comparative result when being identical, controller is controlled described memory block and is not stored predetermined TV programme, when comparative result for not simultaneously, then store predetermined TV programme.
4. television program receiving equipment according to claim 1 is characterized in that,
Described predetermined TV programme is the advertising programme of not scrambling.
5. television program receiving equipment according to claim 1 is characterized in that,
Described signal receiver extracts the information that is used to indicate described predetermined PID, and this predetermined PID is embedded in the described TV programme that is sent by front end.
6. television program receiving equipment according to claim 1 is characterized in that,
Described signal receiver comprises:
Tuner is used to receive the TV programme of described selected channel; With
Data-analyzing machine is used to extract the PID of the TV programme that is received by described tuner.
7. a television program receiving equipment receives and plays the method for TV programme, may further comprise the steps:
The information of the channel that the input user selects;
Receive the TV programme of selected channel;
PID in the TV programme that extraction receives;
The TV Festival destination data that generation receives, these data have the form that display device can be play;
The storage right information, which channel user this right information indicates have the right to watch;
Control write down described TV programme in the memory block, it is characterized in that,
At described extraction step, check whether the PID that is extracted is the predetermined PID of predetermined TV programme;
Further be included in the step of storing the table with channel information in the memory, each the predetermined TV programme that wherein is stored in the described memory block is associated with this channel information;
In described controlled step, further carry out following action:
Control described memory block predetermined TV programme stored,
By checking about the right information of the described channel information of importing at described input step, judge whether the user has the right to watch the channel that this is user-selected,
When the user haves no right to watch selected channel, control described memory block play in this memory block, store, according to the described table in the described memory that obtain with the corresponding described predetermined TV programme of user-selected channel.
8. television program receiving equipment according to claim 7 receives and plays the method for TV programme, it is characterized in that,
Described signal receiver is according to the right information in the Conditional Access Module, checks that further whether the described TV programme that received is the TV programme of user's channel of having the right to watch;
The predetermined TV programme of the channel that storage user in described controller control store district haves no right to watch, and the predetermined TV programme of not storing the channel that the user has the right to watch.
9. television program receiving equipment according to claim 7 receives and plays the method for TV programme, it is characterized in that,
Described signal receiver further detects the lastest imformation in the predetermined TV programme that is received;
Described table in the described memory further have be stored in described memory block in the corresponding lastest imformation of each channel information;
Described controller
Relatively by the lastest imformation in the lastest imformation of described signal receiver inspection and the described table corresponding with the channel information of the predetermined TV programme that is received;
When comparative result when being identical, controller is controlled described memory block and is not stored predetermined TV programme, when comparative result for not simultaneously, then store predetermined TV programme.
10. television program receiving equipment according to claim 7 receives and plays the method for TV programme, it is characterized in that,
Described predetermined TV programme is the advertising programme of not scrambling.
11. television program receiving equipment according to claim 7 receives and plays the method for TV programme, it is characterized in that,
Described signal receiver extracts the information that is used to indicate described predetermined PID, and this predetermined PID is embedded in the described TV programme that is sent by front end.
12. television program receiving equipment according to claim 7 receives and plays the method for TV programme, it is characterized in that,
Described signal receiver comprises:
Tuner is used to receive the TV programme of described selected channel; With
Data-analyzing machine is used to extract the PID of the TV programme that is received by described tuner.
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| CN200610100157A CN101098445B (en) | 2006-06-30 | 2006-06-30 | Television program receiving equipment and method for receiving and broadcasting television program |
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| CN200610100157A CN101098445B (en) | 2006-06-30 | 2006-06-30 | Television program receiving equipment and method for receiving and broadcasting television program |
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