Summary of the invention
The object of the present invention is to provide a kind of player method of advertisement in digital television, being intended to solve in the past, Digital Television provider does not consider the current wish of spectators and plays advertisement, normally watch program thereby influenced the televiewer, and influenced the problem of advertisement playing effect.
The present invention is achieved in that a kind of player method of advertisement in digital television, said method comprising the steps of:
From the program specific information/business information PSI/SI of transport stream TS, parse the advertising business descriptor;
According to the advertising business descriptor, from TS stream, obtain the advertisement interface data;
According to described advertisement interface data, display ads interface;
Receive the advertisement selection signal;
According to the advertising business descriptor, from TS stream, obtain advertisement selection signal corresponding advertising content data, and play,
Described advertising business descriptor has been described sign PID, transmission descriptor, the ad content data linkage descriptor of the packet of advertisement interface data correspondence, and described ad content data linkage descriptor has been described transmission sign, network identity, the service identifiers of ad content data correspondence.
Another object of the present invention is to provide a kind of Play System of advertisement in digital television, described system comprises:
Advertising business descriptor resolution unit is used for parsing the advertising business descriptor from the PSI/SI information of TS stream;
Advertisement interface data capture unit is used for according to the advertising business descriptor, obtains the advertisement interface data from TS stream;
Advertisement interface display unit is used for according to described advertisement interface data, display ads interface;
The advertisement selection signal receiving unit is used to receive the advertisement selection signal; And
The ad content broadcast unit is used for according to the advertising business descriptor, and from TS stream, obtain advertisement selection signal corresponding advertising content data, and play,
Described advertising business descriptor has been described sign PID, transmission descriptor, the ad content data linkage descriptor of the packet of advertisement interface data correspondence, and described ad content data linkage descriptor has been described transmission sign, network identity, the service identifiers of ad content data correspondence.
Another object of the present invention is to provide a kind of receiving terminal for digital television, described terminal comprises the Play System of advertisement in digital television, and described system comprises:
Advertising business descriptor resolution unit is used for parsing the advertising business descriptor from the PSI/SI information of TS stream;
Advertisement interface data capture unit is used for according to the advertising business descriptor, obtains the advertisement interface data from TS stream;
Advertisement interface display unit is used for according to described advertisement interface data, display ads interface;
The advertisement selection signal receiving unit is used to receive the advertisement selection signal; And
The ad content broadcast unit is used for according to the advertising business descriptor, and from TS stream, obtain advertisement selection signal corresponding advertising content data, and play,
Described advertising business descriptor has been described sign PID, transmission descriptor, the ad content data linkage descriptor of the packet of advertisement interface data correspondence, and described ad content data linkage descriptor has been described transmission sign, network identity, the service identifiers of ad content data correspondence.
Another object of the present invention is to provide a kind of method of broadcasting the advertisement in digital television data, said method comprising the steps of:
Generate the advertising business descriptor, and described advertising business descriptor is carried in the PSI/SI information;
Advertisement interface data, ad content data, the PSI/SI information of carrying the advertising business descriptor are encoded into TS stream broadcast,
Described advertising business descriptor has been described sign PID, transmission descriptor, the ad content data linkage descriptor of the packet of advertisement interface data correspondence, and described ad content data linkage descriptor has been described transmission sign, network identity, the service identifiers of ad content data correspondence.
Another object of the present invention is to provide a kind of system that broadcasts the advertisement in digital television data, described system comprises:
Advertising business descriptor generation unit is used to generate the advertising business descriptor, and described advertising business descriptor is carried in the PSI/SI information; And
Data are broadcast the unit, and be used for that advertisement interface data, ad content data, the PSI/SI information of carrying the advertising business descriptor are encoded into TS stream and broadcast,
Described advertising business descriptor has been described sign PID, transmission descriptor, the ad content data linkage descriptor of the packet of advertisement interface data correspondence, and described ad content data linkage descriptor has been described transmission sign, network identity, the service identifiers of ad content data correspondence.
Another object of the present invention is to provide a kind of digital television server, described server comprises the system that broadcasts the advertisement in digital television data, and described system comprises:
Advertising business descriptor generation unit is used to generate the advertising business descriptor, and described advertising business descriptor is carried in the PSI/SI information; And
Data are broadcast the unit, and be used for that advertisement interface data, ad content data, the PSI/SI information of carrying the advertising business descriptor are encoded into TS stream and broadcast,
Described advertising business descriptor has been described sign PID, transmission descriptor, the ad content data linkage descriptor of the packet of advertisement interface data correspondence, and described ad content data linkage descriptor has been described transmission sign, network identity, the service identifiers of ad content data correspondence.
In the present invention, by in digital television server end advertising interface data, ad content data.When receiving the advertisement interface data, receiving terminal for digital television shows corresponding advertisement interface, when the televiewer wishes to watch advertisement, during input advertisement selection signal, obtaining corresponding ad content data plays, and the televiewer is not when wishing to see advertisement, then can close or hides this advertisement interface.Like this, the televiewer can independently determine currently whether play advertisement, thereby has not only avoided advertisement to watching the influence of program, and spectators select to watch advertisement also to promote the view reception effect of advertisement according to demand.
Embodiment
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.
In the present invention, by in digital television server end advertising interface data, ad content data.When receiving the advertisement interface data, receiving terminal for digital television shows corresponding advertisement interface, when the televiewer wishes to watch advertisement, during input advertisement selection signal, obtaining corresponding ad content data plays, and the televiewer is not when wishing to see advertisement, then can close or hides this advertisement interface.Like this, the televiewer can independently determine currently whether play advertisement, thereby has not only avoided advertisement to watching the influence of program, and spectators select to watch advertisement also to promote the view reception effect of advertisement according to demand.
Fig. 1 shows the flow process of the method for advertising data provided by the invention, and details are as follows:
In step S101, generate the advertising business descriptor, and this advertising business descriptor is carried in the PSI/SI information.
As embodiments of the invention, this advertising business descriptor can be carried in the tables such as Program Map Table PMT, network information table NIT in the PSI/SI information or service groups contingency table BAT, server description list SDT.
This advertising business descriptor has been described: the sign PID of the packet of advertisement interface data correspondence, transmission descriptor, ad content data linkage descriptor.Wherein, the ad content data linkage descriptor has been described transmission sign (transport_stream_id), network identity (original_network_id), the service identifiers (service_id) of ad content data correspondence.
Because ad content data may be obtained by the approach of wired broadcasting or satellite broadcasting or terrestrial broadcasting or network, then this transmission descriptor is respectively wire broadcasting descriptor, satellite broadcasting transmission descriptor, terrestrial broadcasting transmission descriptor or URL(uniform resource locator) (URL).
Below be in the embodiments of the invention, the description of advertising business descriptor in pmt table, advertisement interface The data the GIF image data:
for(i=0;i<N1;i++){
Stream_type/* GIF picture definition 0x05 represent data in the represented privately owned Section of PID */
Reserved/*3 bit, a reservation position */
The elementary_PID/*13 bit, the local * at expression GIF image data place/
Reserved4/* 4 bits, a reservation position */
The ES_info_length/*12 bit, represent next the length * of descriptor/
for(i=0;i<N2;i++){
Descriptor ()/* is at the descriptor of GIF, as the transmission descriptor * at ad content data place/
}
}
By network advertising content-data, then the frequency of ad content data is the frequency position of URL indication.
By wire broadcasting, then the wire broadcasting descriptor has been described the frequency of broadcasting of ad content data, and the form of wire broadcasting descriptor is as follows:
cable_delivery_system_descriptor(){
Descriptor_tag/* descriptor tags, 8 bit */
Descriptor_length/* is the byte number that comprises of descriptor next, 8 bit */
8 numerals of frequency/*BCD representation, preceding 4 numeral MHz, back 4 numerals
KHz, 32 bit */
Reserved_future_use/* keeps the position, 12 bit */
The preceding paragraph error correcting system of the outer coding of FEC_outer/*, 4 bit */
Modulation/* modulation system, 8 bit */
7 numerals that symbol_rate/* binary-coded decimal is represented, conventional letter rate, preceding 4 digitized representations
3 bit digital are represented Ksymbol/s behind Msymbol/s/*, 28 bit */
The preceding paragraph error correcting system 4 bit * of coding in FEC_inner/*/
}
Broadcast transmitted via satellite, then satellite broadcasting transmission descriptor has been described the frequency of broadcasting of ad content data, and the form of satellite broadcasting transmission descriptor is as follows:
satellite_delivery_system_descriptor(){
The descriptor_tag/* descriptor tags, 8 bit */
Descriptor_length/* is the byte number that comprises of descriptor next, 8 bit */
8 numerals of frequency/*BCD representation, 5 numeral GHz behind preceding 3 numeral GHz
Fractional part, 32 bit */
The longitude station of orbital_position/*BCD representation, 16 bit */
West_east_flag/* represent east longitude still be west longitude 1 bit */
The polarization/* polarization mode, 2 bit */
Modulation/* modulation system 5 bit */
The symbol_rate/* symbol rate, 28 bit */
Coding preceding paragraph error correcting system in the FEC_inner/*, 4 bit */
}
By terrestrial broadcasting transmission, then terrestrial broadcasting transmission descriptor has been described the frequency of broadcasting of ad content data, and the form of terrestrial broadcasting transmission descriptor is as follows::
terrestrial_delivery_system_descriptor(){
The descriptor_tag/* descriptor tags, 8 bit */
Descriptor_length/* is the byte number that comprises of descriptor next, 8 bit */
The centre_frequency/* centre frequency is a unit with 10Hz, 32 bit */
The bandwidth/* bandwidth, 3 bit */
Reserved_future_use/* keeps the position, 5 bit */
The constellation/* modulation system, 2 bit */
The hierarchy_information/* hierarchical approaches, 3 bit */
Coding preceding paragraph error correcting system in the code_rate-HP_stream/* high priority, 3 bit */
Coding preceding paragraph error correcting system in the code_rate-LP_stream/* priority, 3 bit */
Guard_interval/* protects spacing parameter, 2 bit */
Transmission_mode/* carrier transmission pattern, 2 bit */
Other_frequency_flag/* represents whether use other frequency, 1 bit */
Reserved_future_use/* keeps the position, 32 bit */
}
And the ad content data linkage descriptor can be following form:
Linkage_descriptor()
{
The descriptor_tag/* descriptor tags, 8 bit */
Descriptor_length/* is the byte number that comprises of descriptor next, 8 bit */
Transport_stream_id/*16 bit transport_stream_id, original_network_id,
The common unique definite programs * of service_id/
Original_network_id/*16 bit */
Service_id/* 16 bit */
The linkage_type/*8 bit be defined as here 0xA0*/
if(linkage_type!=0x08){
for(i=0;i<N;i++){
Private_data_byte/* private data */
}
}
}
In step S102, ad content data is added corresponding class indication.
The televiewer watches advertising message for convenience, as embodiments of the invention, can ad content be classified according to the field difference of the corresponding advertisement of ad content data, adds to ad content data and goes up corresponding class indication.For example, classify, advertising message can be divided into classifications such as clothes, electronic product, recreation according to the field under the article of advertisement.
In step S103, advertisement interface data, ad content data, the PSI/SI information of carrying the advertising business descriptor are encoded into TS stream broadcast.
Fig. 2 shows the flow process of the player method of advertisement in digital television provided by the invention, and details are as follows:
In step S201, from the PSI/SI information of TS stream, parse the advertising business descriptor.
Owing to carry the advertising business descriptor in the PSI/SI information in the TS stream that digital television server is broadcast, and the advertising business descriptor has sign, can parse the advertising business descriptor according to this sign from PSI/SI information.
In step S202,, from TS stream, obtain the advertisement interface data according to the advertising business descriptor.
Because described the sign PID of the packet of advertisement interface data correspondence in the advertising business descriptor, PID can obtain the advertisement interface data according to this sign.
As embodiments of the invention, this advertisement interface data can be the GIF image data, perhaps, also can be JPG, the image data of types such as JPEG.Certainly, except the image data form, the advertisement interface data also can be other data mode, for example document data form.
In step S203, according to the advertisement interface data, the display ads interface.
Watch Digital Television in order not influence the televiewer, as embodiments of the invention, this advertisement interface is presented at the corner of screen, perhaps, transparency is made at this advertisement interface handled, so that it can not block the digital TV video frequency program.As embodiments of the invention, this advertisement interface can hide, dwindles, close.
As embodiments of the invention, look spectators in a plurality of advertising message power supplies of advertisement interface display and select to watch.Each advertising message can be to show the literal or the picture of this ad content separately, perhaps, can be the link identification of ad content data correspondence.This link identification can be title link or numbering link.
Owing to limited by the size of advertisement interface, screen size, the link identification of presenting advertising content data correspondence not only can show more advertising message on the advertisement interface, and has avoided the data volume of advertisement interface data itself excessive.
In step S204, receive the advertisement selection signal.
When the televiewer was ready to see advertisement, input advertisement selection signal selected to want the advertisement seen.As embodiments of the invention, can be numbered advertising message in advance, the televiewer sends the advertisement selection signal by the numbering of control button input advertising message correspondence, perhaps can send the advertisement selection signal by the title of input advertisement.Certainly, also the advertisement interface can be divided into a plurality of zones, play advertising message in this zone by the input area corresponding codes.Owing to during the display ads interface, do not stop the broadcast of TV programme, therefore, if the televiewer can ignore the advertisement interface and continue to watch TV programme when being unwilling to watch advertisement, perhaps also can select to close, hide, dwindle the advertisement interface.
In step S205,, obtain advertisement selection signal corresponding advertising content data, and play according to the advertising business descriptor.
Ad content data linkage descriptor in the advertising business descriptor has been described transmission sign (transport_stream_id), network identity (original_network_id), the service identifiers (service_id) of ad content data correspondence, according to above 3 signs, can get access to ad content data.
Fig. 3 shows the structure of the system of advertising data provided by the invention, and this system can be software unit or hardware cell or the unit soft, that scleroma is closed that is built in digital television server.
This system that broadcasts the advertisement in digital television data comprises that advertising business descriptor generation unit 31, data broadcast unit 35.Advertising business descriptor generation unit 31 generates the advertising business descriptor, and this advertising business descriptor is carried in the PSI/SI information, data are broadcast unit 35 and advertisement interface data, ad content data, the PSI/SI information of carrying the advertising business descriptor are encoded into TS stream are play.
The televiewer is more convenient to check advertisement in order to make, as embodiments of the invention, can broadcast asking of unit 35 in advertising business descriptor generation unit 31 and data increases class indication adding device 33, adds corresponding class indication by 33 pairs of ad content data of class indication adding device.
Fig. 4 shows the structure of the Play System of advertisement in digital television provided by the invention, and this system can be software unit or hardware cell or the unit soft, that scleroma is closed that is built in receiving terminal for digital television.
The Play System of this advertisement in digital television comprises advertising business descriptor resolution unit 41, advertisement interface data capture unit 43, advertisement interface display unit 45, advertisement selection signal receiving unit 47, ad content broadcast unit 49.
This advertising business descriptor resolution unit 41 parses the advertising business descriptor from the PSI/SI information of TS stream, advertisement interface data capture unit 43 is according to the advertising business descriptor, from TS stream, obtain the advertisement interface data, advertisement interface display unit 45 is according to this advertisement interface data, the display ads interface, advertisement selection signal receiving unit 47 receives the advertisement selection signal, ad content broadcast unit 49 is according to the advertising business descriptor, from TS stream, obtain advertisement selection signal corresponding advertising content data, and play.
In the present invention, by in digital television server end advertising interface data, ad content data.When receiving the advertisement interface data, receiving terminal for digital television shows corresponding advertisement interface, when the televiewer wishes to watch advertisement, during input advertisement selection signal, obtaining corresponding ad content data plays, and the televiewer is not when wishing to see advertisement, then can close or hides this advertisement interface.Like this, the televiewer can independently determine currently whether play advertisement, thereby has not only avoided advertisement to watching the influence of program, and spectators select to watch advertisement also to promote the view reception effect of advertisement according to demand.
The above only is preferred embodiment of 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.