CN101272449A - Television advertisement cut-broadcasting method based on digital TV set-top box - Google Patents
Television advertisement cut-broadcasting method based on digital TV set-top box Download PDFInfo
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- CN101272449A CN101272449A CNA2008100156334A CN200810015633A CN101272449A CN 101272449 A CN101272449 A CN 101272449A CN A2008100156334 A CNA2008100156334 A CN A2008100156334A CN 200810015633 A CN200810015633 A CN 200810015633A CN 101272449 A CN101272449 A CN 101272449A
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Abstract
The invention discloses a TV advertisement sectional display method which bases on the top box of a digital television. The invention replaces advertisement displayed in the TV channel with the advertisement provided by TV network operation businessmen without changing the real-time signals of TV signal network to convey information provided by the TV network operation businessmen to the audience. The method is: a) the TV network operation businessmen use a front-end system to send the document bit streams of the advertisement through TV signal network; b) according to whether that corresponding treatments are conducted on the document of the advertisement is detected after the terminal of the top box of the digital television is switched on; c) when the top box of the digital television receives real-time signals, the terminal of the television normally displays programs and when the channel watched by the audience displays advertisements, the television terminal does not display the advertisement owned by the present channel but display the advertisements stored in the top box of the digital TV which are provided by the TV network operation businessmen. And the television terminal continues to display the programs of the present channel and stops displaying the advertisements stored in the memorizer of the top box of the digital TV when the pointed time arrives.
Description
Technical field
The present invention relates to Digital Television and digital TV set-top box field, relate in particular to a kind of television advertisement cut-broadcasting method based on digital TV set-top box.
Background technology
At present, TV has been deep in the middle of people's daily life as a kind of household electrical appliance, televiewing becomes people and obtains one of important way of information, has also become numerous businessmans by breaking for commercialsy at television channel to people's propaganda with promote the most convenient, the most effective one of the means of own commodity.Advertisement insertion generally uses now two kinds of methods, and a kind of is according to the quantity that breaks for commercialsy and the time of commercial breaks, and television programme data is compiled some each program editings in advance, and inserting between each program editing needs the advertisement of playing.This method need expend a large amount of time and manpower, need carry out program editing in advance, when changing advertisement, need do montage again in addition to program, make that changing advertisement implements more loaded down with trivial details, the TV network operator of the program that provides for broadcast program supplier implements also very difficult; Another kind is to increase a special ad data playback equipment, television programme data playback equipment and ad data playback equipment all output to signal data the TV signal network, but must guarantee that at synchronization television programme data playback equipment and ad data playback equipment can only have one in work, to TV signal network dateout, can not work simultaneously by two equipment, simultaneously to TV signal network dateout.This method need increase a special advertisement playing device, need artificial intervention in real time, increased cost, and the TV network operator of the program that provides for broadcast program supplier, the time delay of TV programme after this method can cause breaking for commercialsy.
Summary of the invention
The objective of the invention is to provides a kind of television advertisement cut-broadcasting method based on digital TV set-top box for TV network operator, it is convenient, effective, TV network operator need not to expend a large amount of time and manpower is done program editing, need not to increase special advertisement playing device and switch the purpose that signal in the TV network reaches commercial breaks, can be under not influencing the situation that the televiewer watches the TV programme except that advertisement, realize that transmitting TV network operator to the televiewer wants the information transmitted.
For achieving the above object, the present invention adopts following technical scheme:
A) TV network operator utilizes front end system to pass through the TV signal network and sends advertising film file code stream;
B) the digital TV set-top box end is after start, inserts by the inspection of promotional literature identifier in the TV network signal of digital TV set-top box whether the advertising film file is arranged, if there is not the advertising film file, and execution in step c then); If the advertising film file is arranged, then receive the advertising film file and judge by file label in the advertising film file and fileversion number whether the advertising film file in the TV network signal is the advertising film file of redaction, if the advertising film file of redaction, then the digital TV set-top box end with the redaction advertising film file storage that receives in the memory of digital TV set-top box; If not the advertising film file of redaction, then the digital TV set-top box end does not process execution in step c to the advertising film file that receives);
C) digital TV set-top box receives live signal, television set terminal normal play TV programme, when the television channel of watching as spectators breaks for commercialsy, do not play the advertisement that current television channel itself carries, but play the advertisement that the TV network operator in the memory that is stored in digital TV set-top box provides, after arriving the fixed time, stop to play the advertisement in the digital TV set-top box memory, continue the TV programme of normal play current channel.
In the described step c), play the time of advertisement at television channel and play the advertising film that is stored in advance in the digital TV set-top box memory, do not play the advertisement of this television channel itself, and need not switch live signal two kinds of implementations are arranged: manually cut and broadcast and cut automatically and broadcast; Wherein
Manually cut and broadcast, be meant the front end system manual monitoring, when finding that certain channel has advertisement to cut sowing time, send urgent cutting from front end system and broadcast instruction, this instruction comprises the file label of the advertisement that will play and the information such as time that will play, the digital TV set-top box end is after receiving that this section broadcast instruction, judge whether to need to play to be kept at advertisement in the digital TV set-top box memory in advance, if desired, play immediately, and after reaching the time of appointment, stop to play the advertisement of presetting, continue the TV programme in the normal play live signal;
Automatically cut and broadcast, be meant that editing what a advertisement in advance cuts and broadcast tabulation, by front end system this advertisement is cut and to broadcast tabulation and send to the digital TV set-top box end, the digital TV set-top box comparative advertising is cut time and the real time of broadcasting in the tabulation, if meet the condition of broadcasting of cutting, then stop to play the television programme data in the live signal, play the advertisement that is kept in the digital TV set-top box memory.
The invention has the beneficial effects as follows: need not to expend a large amount of time and manpower is done program editing, also need not to increase special advertisement playing device realizes breaking for commercialsy, when changing the advertisement of playing, needs or not again TV programme to be done montage, only needing that new advertisement is sent to the digital TV set-top box end by front end system gets final product, and do not need to switch live signal in the TV network when playing advertisement, can not influence the televiewer and watch normal TV programme, method is simple, easy to operate, can conveniently, TV network operator play facility for providing advertisement.
Description of drawings
Fig. 1 is a cut-broadcasting method flow chart of the present invention.
Embodiment
The present invention will be further described below in conjunction with accompanying drawing and embodiment.
A kind of television advertisement cut-broadcasting method based on digital TV set-top box, its flow process as shown in Figure 1
A) TV network operator utilizes front end system to pass through the TV signal network and sends advertising film file code stream;
B) the digital TV set-top box end is after start, inserts by the inspection of promotional literature identifier in the TV network signal of digital TV set-top box whether the advertising film file is arranged, if there is not the advertising film file, and execution in step c then); If the advertising film file is arranged, then receive the advertising film file and judge by file label in the advertising film file and fileversion number whether the advertising film file in the TV network signal is the advertising film file of redaction, if the advertising film file of redaction, then the digital TV set-top box end with the redaction advertising film file storage that receives in the memory of digital TV set-top box; If not the advertising film file of redaction, then the digital TV set-top box end does not process execution in step c to the advertising film file that receives);
C) digital TV set-top box receives live signal, TV programme in the television set terminal normal play live signal, when the television channel of watching as spectators breaks for commercialsy, do not play the advertisement that current television channel itself carries, but play the advertisement that the TV network operator in the memory that is stored in digital TV set-top box provides, after arriving the fixed time, stop to play the advertisement in the digital TV set-top box memory, continue the TV programme of normal play current channel.
According to above-mentioned television advertisement cut-broadcasting method based on digital TV set-top box, it is characterized in that: in the described step a), TV network operator utilizes front end system that a plurality of promotional literature data are packed in a sequential manner, order sends, and be multiplexed into each frequency, after making things convenient for the start of digital TV set-top box end, can receive the promotional literature data.For each promotional literature of packaged transmission, all has identical file format: file label field, fileversion number field, expansion reserved field and real promotional literature data.Wherein, the file label field is used for identifying the promotional literature that is stored in digital TV set-top box, the fileversion number field is used to identify the version of a certain promotional literature, can distinguish the height of two promotional literature versions with same file label by fileversion number.
According to described television advertisement cut-broadcasting method based on digital TV set-top box, it is characterized in that: in the described step b), the digital TV set-top box end checks after start whether the promotional literature data are arranged in the signal, if there are not the promotional literature data, then according to the live signal data playback TV programme that receives; If the promotional literature data are arranged, then resolve the promotional literature data that receive, compare according to original promotional literature data of storing in data of resolving and the digital TV set-top box.At first, file label according to the promotional literature A1 that receives is searched the promotional literature of storing in the digital TV set-top box, after in digital TV set-top box, finding promotional literature A0 with same file label, promotional literature A1 that relatively receives and the fileversion number that is stored in the promotional literature A0 in the digital TV set-top box, if the FileVersion of the promotional literature A1 that receives is than the FileVersion height that is stored in the promotional literature A0 in the digital TV set-top box, illustrate that the promotional literature A1 that receives is the promotional literature of redaction, the promotional literature A1 that use receives upgrades the promotional literature A0 in the digital TV set-top box, and the promotional literature A1 that receives is stored in the digital TV set-top box memory; Otherwise, if the FileVersion of the promotional literature A1 that receives is not higher than the FileVersion of promotional literature A0 in the digital TV set-top box, illustrate that the promotional literature A0 in the digital TV set-top box is the promotional literature of latest edition, then do not do and upgrade the promotional literature processing.
According to described television advertisement cut-broadcasting method based on digital TV set-top box, it is characterized in that: in the described step c), play the time of advertisement at television channel and play the advertising film that is stored in advance in the digital TV set-top box memory, do not play the advertisement of this TV programme itself, and need not switch live signal two kinds of implementations are arranged: manually cut and broadcast and cut automatically and broadcast; Wherein
Manually cut and broadcast, be meant the front end system manual monitoring, when finding that certain channel has advertisement to cut sowing time, send urgent cutting from front end system and broadcast instruction, this instruction comprises the file label of the advertisement that will play and the information such as time that will play, the digital TV set-top box end is after receiving that this section broadcast instruction, judge whether to need to play to be kept at advertisement in the digital TV set-top box memory in advance, if desired, play immediately, and after reaching the time of appointment, stop to play the advertisement of presetting, continue the TV programme in the normal play live signal;
Automatically cut and broadcast, be meant that editing what a advertisement in advance cuts and broadcast tabulation, by front end system this advertisement is cut and to broadcast tabulation and send to the digital TV set-top box end, the digital TV set-top box comparative advertising is cut time and the real time of broadcasting in the tabulation, if meet the condition of broadcasting of cutting, then stop to play the TV programme in the live signal, broadcast is kept at the advertisement in the digital TV set-top box memory, cut and broadcast in the tabulation behind the official hour arriving advertisement, stop to play the advertisement in the digital TV set-top box, continue to play the TV programme in the live signal.
According to described television advertisement cut-broadcasting method based on digital TV set-top box, it is characterized in that: described front end system comprises front-end client, front end services end and CA server, the promotional literature packing that the front end services end is responsible for new needs are issued sends to the digital TV set-top box end, front-end client need with the front end services end communication, control front end services end sends new promotional literature, front-end client and the communication of CA server simultaneously, when needs send emergency instruction, control front end services end will instruct the mailing system by CA to send to the digital TV set-top box end immediately; In addition, front-end client can also be controlled the front end services end and by the CA mailing system advertisement that edits cut and broadcasting tabulation and send to the digital TV set-top box end.
According to described manual television advertisement cut broadcast mode based on digital TV set-top box, it is characterized in that: the front end system manual monitoring, when finding that certain channel need cut advertisement, by the CA mailing system advertisement is cut and to broadcast instruction and send to the digital TV set-top box end, this instruction comprises the information such as time that section advertisement of broadcasting use and advertisement are play, the digital TV set-top box end receive advertisement cut broadcast instruction after, whether the program of at first judging current broadcast needs to cut the advertisement sheet, if do not need to cut advertisement, then continue to play the TV programme in the live signal; Cut advertisement if desired, then play advertisement immediately and cut the advertisement in the digital TV set-top box of being stored in of broadcasting appointment in the instruction, cut an advertisement arriving to stop to play after advertisement cuts the time of broadcasting the instruction appointment, continue to play the TV programme in the live signal.Demand according to TV network operator, during the advertising film in playing digital TV set-top box, stored, can also send by the CA mail server and promptly stop the advertising film instruction and the urgent advertising film that switches instructs and realizes stopping the advertising film in the in progress digital TV set-top box and switch playing another advertising film in the digital TV set-top box.When digital TV set-top box receiving that front end system sends promptly stop the advertising film instruction after, check immediately and need stop to play whether the channel that cuts advertisement is current channel, if not current channel, do not handle this instruction, continue to play the TV programme in the live signal; If current channel then stops in progress section advertisement of current channel immediately, change the TV programme of playing in the live signal into.Receive the urgent switching advertising film instruction of front end system transmission when digital TV set-top box after, whether what inspection immediately needed switching section advertisement is current channel, if current channel, then stop the advertisement that cuts in the in progress digital TV set-top box, change the replacement advertisement in the digital TV set-top box of playing appointment into; If not current channel, then do not process, continue to play current section advertisement, after the concluding time is play in the advertisement that reaches appointment, continue to play the TV programme in the live signal.
According to described automatic television advertisement cut broadcast mode, it is characterized in that: store a original advertisement in the digital TV set-top box and cut and broadcast tabulation based on digital TV set-top box.The digital TV set-top box comparative advertising is cut the time broadcast in the tabulation and the real time of digital TV set-top box, when advertisement cuts real time of the time broadcast in the tabulation and digital TV set-top box when consistent, meet the condition of broadcasting of cutting, stop to play the television programme data in the live signal, change into and play advertisement and cut the advertisement in the digital TV set-top box of being stored in of broadcasting appointment in the tabulation, after the arrival advertisement cuts the reproduction time of broadcasting the tabulation appointment, stop to play the advertisement in the digital TV set-top box, continue to play the television programme data in the live signal.When upgrading advertisement in the digital TV set-top box, cut when broadcasting tabulation by needs, front-end client edits a new advertisement and cuts and broadcast tabulation, control front end services end sends advertisement by the CA mailing system and cuts and broadcast list update and instruct the digital TV set-top box end, also controls the front end services end simultaneously and by the CA mailing system advertisement that edits is cut and broadcasting tabulation and send to the digital TV set-top box end.The digital TV set-top box end receive advertisement cut broadcast list update instruction after, whether the program of checking current broadcast immediately cuts in advertisement broadcasts in the list update scope, if, then, upgrade the advertisement playlist of storing in the digital TV set-top box simultaneously more carrying out new advertisement playlist in the new range; If the program of current broadcast in new range more, does not then directly upgrade the advertisement playlist in the digital TV set-top box.Television advertising based on digital TV set-top box cuts broadcast mode automatically, during the digital TV set-top box switching channels, should check that the channel that switches to is whether in the advertisement playlist, if not in the advertisement playlist, then play-over the TV programme in the live signal; If in the advertisement playlist, then should judge whether the channel after switching satisfies the advertisement condition of cutting according to the advertisement playlist, if satisfy the condition of broadcasting of cutting, then play the advertisement in the digital TV set-top box of being stored in of appointment in the advertisement playlist, do not broadcast condition if do not satisfy to cut, then play the TV programme in the live signal.Demand according to TV network operator, automatically section broadcast mode also can send by the CA mailing system and promptly stop advertisement instruction and urgent switching advertisement instruction, realizes stopping the advertising film in the in progress digital TV set-top box and switch playing another advertising film in the digital TV set-top box.Digital TV set-top box receives that front end system sends promptly stop the advertising film instruction after, check immediately whether need stop to play what cut advertisement is current program, if current program, stop the advertisement in the in progress digital TV set-top box immediately, change the TV programme of playing in the live signal into, and upgrade the advertisement playlist; If not current program, then directly upgrade the advertisement playlist, continue to play the advertisement in the digital TV set-top box.After digital TV set-top box receives urgent switching advertising film instruction, whether what inspection immediately needed switching section advertisement is current program, if current program, then stop the advertisement that cuts in the in progress digital TV set-top box, change the replacement advertisement in the digital TV set-top box of playing appointment into, and upgrade the advertisement playlist; If not current program, then directly upgrade the advertisement playlist, continue to play the TV programme in the live signal.
Claims (9)
1, a kind of television advertisement cut-broadcasting method based on digital TV set-top box is characterized in that: its method is,
A) TV network operator utilizes front end system to pass through the TV signal network and sends advertising film file code stream;
B) the digital TV set-top box end is after start, inserts by the inspection of promotional literature identifier in the TV network signal of digital TV set-top box whether the advertising film file is arranged, if there is not the advertising film file, and execution in step c then); If the advertising film file is arranged, then receive the advertising film file and judge by file label in the advertising film file and fileversion number whether the advertising film file in the TV network signal is the advertising film file of redaction, if the advertising film file of redaction, then digital TV set-top box with the redaction advertising film file storage that receives in the memory of digital TV set-top box; If not the advertising film file of redaction, then the digital TV set-top box end does not process execution in step c to the advertising film file that receives);
C) digital TV set-top box receives live signal, television set terminal normal play TV programme, when the television channel of watching as spectators breaks for commercialsy, do not play the advertisement that current television channel itself carries, but play the advertisement that the TV network operator in the memory that is stored in digital TV set-top box provides, after arriving the fixed time, stop to play the advertisement in the digital TV set-top box memory, continue the TV programme of normal play current channel.
2, the television advertisement cut-broadcasting method based on digital TV set-top box according to claim 1, it is characterized in that: in the described step a), TV network operator utilizes front end system that a plurality of promotional literature data are packed in a sequential manner, order sends, and be multiplexed into each frequency, after making things convenient for the start of digital TV set-top box end, can receive the promotional literature data; For each promotional literature of packaged transmission, all has identical file format: file label field, fileversion number field, expansion reserved field and real promotional literature data.
3, the television advertisement cut-broadcasting method based on digital TV set-top box according to claim 1, it is characterized in that: in the described step b), the digital TV set-top box end is after start, in the TV network signal according to promotional literature identifier inspection access digital TV set-top box whether the promotional literature data are arranged, if no, then play TV programme according to the signal data that receives; If the promotional literature data are arranged, then resolve the promotional literature data that receive, promotional literature data according to original storage in data of resolving and the digital TV set-top box compare, if the promotional literature version that receives is than the version height that is stored in the promotional literature in the digital TV set-top box, then update stored in the promotional literature data in the digital TV set-top box, and the promotional literature of new highest version stored in the digital TV set-top box memory, otherwise, if the version of the promotional literature that receives then is left intact unlike the promotional literature version height of original storage in the digital TV set-top box.
4, television advertisement cut-broadcasting method based on digital TV set-top box according to claim 3, it is characterized in that: whether the version of the promotional literature that described judgement receives is higher than the version of the promotional literature of original storage in the digital TV set-top box, its method is: promotional literature all has set form: the file label field, the FileVersion field, expansion reserved field and real file data, search the promotional literature A0 that stores in the digital TV set-top box with same file label according to the file label of the promotional literature A1 that receives, the FileVersion of the FileVersion of the promotional literature A1 that relatively receives then and the promotional literature A0 in the digital TV set-top box, if the FileVersion of promotional literature A1 is higher than the FileVersion of promotional literature A0, illustrate that the promotional literature A1 that receives is the promotional literature of more recent version, the promotional literature A1 that use receives upgrades the promotional literature A0 in the digital TV set-top box, and the promotional literature A1 that receives is stored in the digital TV set-top box memory; If the FileVersion of promotional literature A1 is not higher than the FileVersion of promotional literature A0, then do not process, the rest may be inferred for all the other.
5, the television advertisement cut-broadcasting method based on digital TV set-top box according to claim 1, it is characterized in that: in the described step c), play the time of advertisement at television channel and play the advertising film that is stored in advance in the digital TV set-top box memory, do not play the advertisement of this television channel itself, and do not need to switch live signal two kinds of implementations are arranged: manually cut and broadcast and cut automatically and broadcast; Wherein
Manually cut and broadcast, be meant the front end system manual monitoring, when finding that certain channel has advertisement to cut sowing time, send urgent cutting from front end system and broadcast instruction, this instruction comprises the file label of the advertisement that will play and the information such as time that will play, the digital TV set-top box end receive urgent cut broadcast instruction after, judge whether to need to play to be kept at advertisement in the digital TV set-top box memory in advance, if desired, play immediately, and after reaching the time of appointment, stop to play the advertisement of presetting, continue the TV programme in the normal play live signal;
Automatically cut and broadcast, be meant that editing what a advertisement in advance cuts and broadcast tabulation, by front end system this advertisement is cut and to broadcast tabulation and send to the digital TV set-top box end, the digital TV set-top box comparative advertising is cut time and the real time of broadcasting in the tabulation, if meet the condition of broadcasting of cutting, then stop to play the television programme data in the live signal, change into and play the advertisement that is kept in the digital TV set-top box memory, cut and broadcast in the tabulation behind the official hour arriving advertisement, stop to play the advertisement that is stored in the digital TV set-top box, continue to play the TV programme in the live signal.
6, television advertisement cut-broadcasting method based on digital TV set-top box according to claim 5, it is characterized in that: described advertisement cuts to be broadcast in the implementation, its front end system comprises front-end client, front end services end and CA server, the front end services end is responsible for new promotional literature packing is sent to the digital TV set-top box end, front-end client need with the front end services end communication, control front end services end sends new promotional literature, front-end client and the communication of CA server simultaneously, when needs send emergency instruction, control front end services end will instruct the mailing system by CA to send to the digital TV set-top box end immediately; In addition, front-end client can also be controlled the front end services end and by the CA mailing system advertisement that edits cut and broadcasting tabulation and send to the digital TV set-top box end.
7, according to claim 5 or 6 described television advertisement cut-broadcasting methods based on digital TV set-top box, it is characterized in that: broadcast implementation for described manual section, its implementation is: the front end system manual monitoring, when finding that certain channel need cut advertisement, by the CA mailing system advertisement is cut and to broadcast instruction and send to the digital TV set-top box end, this instruction comprises the information such as time that section advertisement of broadcasting use and advertisement are play, the digital TV set-top box end receive cut broadcast instruction after, whether the program of at first judging current broadcast needs to cut the advertisement sheet, if desired, then play advertisement immediately and cut the advertisement of broadcasting appointment in the instruction, and after the time that arrives appointment, stop to play advertisement, continue to play the TV programme in the live signal; During the advertising film in playing digital TV set-top box, stored, can also send by the CA mail server and promptly stop the advertising film instruction and the urgent advertising film that switches instructs and realizes stopping playing the advertisement in the digital TV set-top box and switching playing another advertising film in the digital TV set-top box; When digital TV set-top box receiving that front end system sends promptly stop the advertising film instruction after, check immediately whether need stop to play what cut advertisement is current program, if current program, then stop the advertisement that cuts of current playing programs immediately, change advertisement or the TV programme play in the live signal into; If not current program, then do not process; Receive the urgent switching advertising film instruction of front end system transmission when digital TV set-top box after, whether what inspection immediately needed switching section advertisement is current program, if current program, then stop to play in progress section advertisement, change the replacement advertisement in the digital TV set-top box of playing appointment into; If not current program, then do not process.
8, according to claim 5 or 6 described television advertisement cut-broadcasting methods based on digital TV set-top box, it is characterized in that: broadcast implementation for described automatic section, its implementation is: what a advertisement is front-end client edit is in advance cut and broadcasts tabulation, by the CA mail server advertisement is cut and broadcasting tabulation and send to the digital TV set-top box end; The digital TV set-top box comparative advertising is cut the time broadcast in the tabulation and the real time of digital TV set-top box, when advertisement cuts real time of the time broadcast in the tabulation and digital TV set-top box when consistent, meet the condition of broadcasting of cutting, stop to play the program data in the live signal, play advertisement and cut the advertisement in the digital TV set-top box of being stored in of broadcasting appointment in the tabulation, after the arrival advertisement cuts the reproduction time of broadcasting the tabulation appointment, stop to play the advertisement in the digital TV set-top box, continue to play the program data in the live signal.
9, television advertisement cut-broadcasting method based on digital TV set-top box according to claim 8, it is characterized in that: described advertisement cuts the update method of broadcasting tabulation and is: front-end client edits advertisement and cuts and broadcast tabulation, control front end services end sends advertisement by the CA mailing system and cuts and broadcast list update and instruct the digital TV set-top box end, also controlling the front end services end simultaneously cuts advertisement by the CA mailing system and broadcasting tabulation and send to the digital TV set-top box end, when the digital TV set-top box end receiving advertisement cut broadcast list update instruction after, whether the program of checking current broadcast immediately cuts in advertisement broadcasts in the list update scope, if, then, upgrade the advertisement playlist of storing in the digital TV set-top box simultaneously more carrying out new advertisement playlist in the new range; If in new range more, then directly do not upgrade the advertisement playlist in the digital TV set-top box; When digital TV set-top box receive that front end system sends promptly stop the advertising film instruction after, check immediately whether need stop to play what cut advertisement is current program, if current program, stop to play the advertisement in the digital TV set-top box immediately, continue to play the TV programme in the live signal, and upgrade the advertisement playlist; If not current program, then directly upgrade the advertisement playlist; After digital TV set-top box receives urgent switching advertising film instruction, whether what inspection immediately needed switching section advertisement is current program, if current program, then stop in progress section advertisement, change the replacement advertisement in the digital TV set-top box of playing appointment into, and upgrade the advertisement playlist; If not current program, then directly upgrade the advertisement playlist; When the digital TV set-top box switching channels, check that the channel switch to is whether in the advertisement playlist, if not in the advertisement playlist, then play-over the TV programme in the live signal; If in the advertisement playlist, then judge whether satisfy to cut an advertisement condition,, then play the advertisement in the digital TV set-top box of being stored in of appointment in the advertisement playlist if satisfy according to the advertisement playlist, if do not satisfy, then play the TV programme in the live signal.
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