CN105228026A - Teletext many equipment display packing, Apparatus and system - Google Patents
Teletext many equipment display packing, Apparatus and system Download PDFInfo
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- CN105228026A CN105228026A CN201510626274.6A CN201510626274A CN105228026A CN 105228026 A CN105228026 A CN 105228026A CN 201510626274 A CN201510626274 A CN 201510626274A CN 105228026 A CN105228026 A CN 105228026A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/488—Data services, e.g. news ticker
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/488—Data services, e.g. news ticker
- H04N21/4888—Data services, e.g. news ticker for displaying teletext characters
Abstract
The present invention discloses a kind of teletext many equipment display packing, comprising: the transport stream obtaining real-time reception; Picture and text showing data are extracted from described transport stream, and according to described picture and text showing data genaration picture and text image in 2 D code; And while the corresponding program of the described transport stream of broadcasting, picture and text image in 2 D code described in Dynamic Announce, records described picture and text image in 2 D code at least one mobile terminal.The present invention also discloses a kind of teletext many equipment display unit and system.Present invention achieves when not affecting actual program played in full screen, checking by one or more mobile device the graph-text content that recorded picture and text image in 2 D code stream is corresponding.
Description
Technical field
The present invention relates to technical field of television sets, particularly relate to a kind of teletext many equipment display packing, Apparatus and system.
Background technology
Teletext broadcasting business, with cheap expense, propagates the information such as instant news, physical culture, weather, TV guide and captions to user.The abundant information provided due to it is colorful, also with figure, can be considered to the predecessor of the Internet.
User has larger demand to graph text information, and graph text information also brings a large amount of useful informations to user.When watching TV programme, if user now wants to understand the current information such as news, weather very much, and only have one due to the screen of television set, and some graph text informations are whole screen displays shows, when thus needing to check graph text information while watching video frequency program, graph text information can only be added to video layer, or is switched on picture and text showing picture by watched video frequency program picture.No matter be any display mode, all greatly have impact on the played in full screen of current watched program.
Foregoing, only for auxiliary understanding technical scheme of the present invention, does not represent and admits that foregoing is prior art.
Summary of the invention
The invention provides a kind of teletext many equipment display packing, Apparatus and system, be intended to solve and check that graph text information can affect the problem of program played in full screen greatly on a television set while program is play.
For achieving the above object, the invention provides a kind of teletext many equipment display packing, comprising:
Obtain the transport stream of real-time reception;
Picture and text showing data are extracted from described transport stream, and according to described picture and text showing data genaration picture and text image in 2 D code; And
While the corresponding program of the described transport stream of broadcasting, picture and text image in 2 D code described in Dynamic Announce, records described picture and text image in 2 D code at least one mobile terminal.
Preferably, described transport stream comprises vision signal and facsimile signal; Describedly from described transport stream, extract picture and text showing data, and comprise according to described picture and text showing data genaration picture and text image in 2 D code:
Resolve described transport stream, obtain vision signal and facsimile signal;
Picture and text showing data are extracted from described facsimile signal;
Generate the picture and text image in 2 D code comprising page number information by page according to described picture and text showing data.
Preferably, described while the corresponding program of the described transport stream of broadcasting, described in Dynamic Announce, picture and text image in 2 D code comprises:
While the corresponding programme content of the described vision signal of broadcasting, according to picture and text image in 2 D code described in page number order Dynamic Announce.
For achieving the above object, the present invention also provides a kind of teletext many equipment display unit, comprising:
Acquisition module, for obtaining the transport stream of real-time reception;
Processing module, for extracting picture and text showing data, and according to described picture and text showing data genaration picture and text image in 2 D code from described transport stream;
Display module, for while the corresponding program of the described transport stream of broadcasting, picture and text image in 2 D code described in Dynamic Announce, records described picture and text image in 2 D code at least one mobile terminal.
Preferably, described transport stream comprises vision signal and facsimile signal; Described processing module comprises:
Resolution unit, for resolving described transport stream, obtains vision signal and facsimile signal;
Extraction unit, for extracting picture and text showing data from described facsimile signal;
Processing unit, for generating the picture and text image in 2 D code comprising page number information by page according to described picture and text showing data.
Preferably, described display module comprises:
First display unit, for playing programme content corresponding to described vision signal;
Second display unit, for according to picture and text image in 2 D code described in page number order Dynamic Announce.
In addition, for achieving the above object, the present invention also provides a kind of teletext many equipment display system, comprise television set and mobile device, described television set comprises above-mentioned arbitrary described teletext many equipment display unit, described used as television in the picture and text showing data processing in the transport stream of real-time reception is generated picture and text image in 2 D code, and while the corresponding program of the described transport stream of broadcasting picture and text image in 2 D code described in Dynamic Announce;
Described mobile device, for recording described picture and text image in 2 D code to obtain picture and text image in 2 D code stream from television screen; Wherein, described picture and text image in 2 D code stream refers to the one or more described picture and text image in 2 D code of display continuously.
Preferably, described television set comprises signal receiver, video signal preprocessor, display, described television set specifically for:
Real-time transport stream is received by described signal receiver, described transport stream is obtained vision signal and picture and text image in 2 D code after described teletext many equipment display apparatus processes, the programme content display described vision signal obtained after described video signal preprocessor process on the display, meanwhile, by picture and text image in 2 D code Dynamic Announce corresponding for described programme content on the display.
Preferably, described mobile device comprises camera, image processor, memory, described mobile device specifically for:
Described in described television set Dynamic Announce during picture and text image in 2 D code, record one section of picture and text image in 2 D code stream by described camera, and resolve to obtain graph text information to scanned picture and text image in 2 D code by described image processor while scanning is recorded and be stored into described memory.
Preferably, described mobile device also comprises display screen, described mobile device concrete also for:
After receiving and checking picture and text instruction, check the described graph text information that picture and text instruction is corresponding described in reading from described memory, and show described graph text information on described display screen.
Teletext many equipment display packing, Apparatus and system that the present invention proposes, the picture and text image in 2 D code corresponding according to the picture and text showing data genaration in the transport stream of real-time reception, and while broadcast program picture and text image in 2 D code described in simultaneous display, to realize when not affecting actual program played in full screen, on described mobile device, after utilizing mobile device to record described picture and text image in 2 D code, check the graph-text content that described picture and text image in 2 D code is corresponding.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of teletext many equipment display packing first embodiment of the present invention;
Fig. 2 is the refinement schematic flow sheet according to picture and text showing data genaration picture and text image in 2 D code in teletext many equipment display packing second embodiment of the present invention;
Fig. 3 is the high-level schematic functional block diagram of teletext many equipment display unit first embodiment of the present invention;
Fig. 4 is the refinement high-level schematic functional block diagram of processing module in teletext many equipment display unit second embodiment of the present invention;
Fig. 5 is the refinement high-level schematic functional block diagram of display module in teletext many equipment display unit the 3rd embodiment of the present invention;
Fig. 6 is the structural representation of teletext many equipment display system first embodiment of the present invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The invention provides a kind of teletext many equipment display packing, as shown in Figure 1, show the schematic flow sheet of teletext many equipment display packing first embodiment of the present invention, comprising:
The transport stream of S10, acquisition real-time reception;
Described transport stream comprises vision signal and facsimile signal, by the signal receiver real-time reception of television set.A corresponding frame video image of transport stream.
S20, from described transport stream, extract picture and text showing data, and according to described picture and text showing data genaration picture and text image in 2 D code;
After getting described transport stream, obtain corresponding vision signal and facsimile signal by resolving described transport stream.From described facsimile signal, extract corresponding picture and text showing data according to the Packet type in facsimile signal, and then according to the described picture and text showing data extracted, generate the picture and text image in 2 D code comprising graph text information.
S30, while the corresponding program of the described transport stream of broadcasting, picture and text image in 2 D code described in Dynamic Announce, records described picture and text image in 2 D code at least one mobile terminal.
Described mobile device can be mobile phone, panel computer, also can be that other have the equipment of image in 2 D code processing capacity, and mobile device is provided with picture and text process software, described picture and text process software can control the recording of picture and text image in 2 D code stream, parsing and storage, and the displaying etc. of the graph text information parsed on equipment.
The video signal preprocessor of television set, after processing described vision signal, the display of television set is play programme content corresponding to described vision signal.Meanwhile, described display is according to the dynamically picture and text image in 2 D code described in simultaneous display of information in described picture and text showing data.
At television for play programme content and when showing the picture and text image in 2 D code synchronous with described programme content, user by one or more mobile device simultaneously or timesharing, record one section of picture and text image in 2 D code stream respectively, wherein, described picture and text image in 2 D code stream refers to the one or more described picture and text image in 2 D code of display continuously.Mobile device is being recorded and after resolving described picture and text image in 2 D code stream, will resolve one group of graph text information obtaining stored in memory block.When user wants to check described graph text information, the display screen of mobile device shows described graph text information according to the sequencing of picture and text.
The region area size taken on the screen of described display due to described picture and text image in 2 D code is fixed, and be much smaller compared with region area shared when normally showing on a television set with picture and text, it shows and checks that graph-text content also can not cause the switching of current broadcast program picture subsequently through mobile device, and thus described picture and text image in 2 D code can be considered the played in full screen not affecting current broadcast program.
Teletext many equipment display packing that the present invention proposes, adopt the mode graph text information that simultaneous display program is corresponding on a television set of image in 2 D code, and be supported in the content of one or more mobile device being checked recorded graph text information, when not affecting the current broadcast program played in full screen of television set, achieve graph-text content checking on one or more mobile device.
Further, propose second embodiment of the invention based on the first embodiment, in the present embodiment, described transport stream comprises vision signal and facsimile signal.As shown in Figure 2, above-mentioned steps S20 comprises:
S21, resolve described transport stream, obtain vision signal and facsimile signal;
Comprise current just at program number and the Program Map Table corresponding with described program number of broadcast program in described transport stream.Described Program Map Table comprises the positional information of the corresponding image, text and data of described program number in described transport stream, the positional information of the corresponding video data of described program number in described transport stream, the position that image, text and data identifies, video data identification determines image, text and data and video data that can be corresponding according to described program number.After determining video data and image, text and data place Data Position, resolve described video data and image, text and data by the decoder of television internal, thus obtain vision signal corresponding to described transport stream and facsimile signal.
Described facsimile signal can be divided into teletext data and subtitle data according to data stream type, data stream type is that the data representation of teletext covers full frame image, text and data, described data stream type is the image, text and data that the data representation part of subtitle covers programme content, such as captions.
S22, from described facsimile signal, extract picture and text showing data;
Described facsimile signal comprises the bag of 3 kinds of fundamental types, is top margin bag, common row bag, expanding packet respectively.Wherein, the page number number information, displaying time dot information, display control information etc. of all picture and text that described facsimile signal comprises drawn together by top margin handbag; The information of the graph-text content that can directly show corresponding with the page number of all picture and text in described top margin bag drawn together by common row handbag; Expanding packet does not comprise the graph-text content information for directly showing, and it comprises for senior decoder provides the information strengthening the property or provide special data to serve.
From the top margin bag described facsimile signal and common row bag, extract all graph text informations except control information, extracted graph text information is identified with the page number stored in buffer area, thus obtains described picture and text showing data.Wherein, described control information comprises displaying time dot information and the display control information of picture and text.
S23, to generate by page according to described picture and text showing data and comprise the picture and text image in 2 D code of page number information.
Teletext has the page number by one group and numbers the picture and text of (3 page numbers) and form, and the character that the picture and text of every page are arranged by 24 row 40 and figure are formed.The content of every page of picture and text and the frame number of its correspondence and page number number information are carried out encoding thus generate picture and text image in 2 D code according to described picture and text showing data by television set.Facsimile signal comprises multiple picture and text, the corresponding multiple picture and text image in 2 D code generating equal number.The information that described in each, picture and text image in 2 D code comprises has: the page number of picture and text corresponding to the total page number of picture and text contained by the frame number (identical with the frame number of the corresponding transport stream of described facsimile signal) of its corresponding facsimile signal, its corresponding facsimile signal, current picture and text image in 2 D code is numbered, the content of picture and text corresponding to current picture and text image in 2 D code.
Teletext many equipment display packing that the present invention proposes, by the picture and text showing data extracted from described transport stream according to normally show the consistent information of picture and text on a television set, corresponding picture and text image in 2 D code is generated successively by page, ensure that generated picture and text image in 2 D code and the one_to_one corresponding of every page of picture and text, lay the first stone for follow-up use mobile device views the graph text information consistent with television set.
Further, propose teletext many equipment display packing the 3rd embodiment of the present invention based on the second embodiment, in the present embodiment, above-mentioned steps S30 comprises:
While the corresponding programme content of the described vision signal of broadcasting, according to picture and text image in 2 D code described in page number order Dynamic Announce.
Television set in described vision signal after video signal preprocessor process, corresponding programme content is play over the display according to result, meanwhile, television set refreshes the display of picture and text image in 2 D code, to reach the simultaneous display of picture and text image in 2 D code programme content corresponding to it according to the frame frequency information of actual program.Such as, when the frame frequency of current playing program is 60HZ, number order frame by frame per second shows 60 program pictures successively, and show often open program pictures time facsimile signal corresponding to actual program picture in the page number numbering of each picture and text and the information such as picture and text showing time point, all picture and text image in 2 D code of different page number numbering that what simultaneous display actual program picture was corresponding have.
Teletext many equipment display packing that the present invention proposes, achieve the picture and text image in 2 D code that simultaneous display while program content playing is corresponding with current program content, and the display of picture and text image in 2 D code does not affect the played in full screen of actual program.
The present invention also provides a kind of teletext many equipment display unit, as shown in Figure 3, shows teletext many equipment display unit first embodiment of the present invention, comprising:
Acquisition module 100, for obtaining the transport stream of real-time reception;
Described transport stream comprises vision signal and facsimile signal, by the signal receiver real-time reception of television set.A corresponding frame video image of transport stream.
Processing module 200, for extracting picture and text showing data, and according to described picture and text showing data genaration picture and text image in 2 D code from described transport stream;
After described acquisition module 100 gets described transport stream, described processing module 200 obtains corresponding vision signal and facsimile signal by resolving described transport stream.Described processing module 200 extracts corresponding picture and text showing data according to the Packet type in facsimile signal from described facsimile signal, and then according to the described picture and text showing data extracted, generates the picture and text image in 2 D code comprising graph text information.
Display module 300, for while the corresponding program of the described transport stream of broadcasting, picture and text image in 2 D code described in Dynamic Announce, records described picture and text image in 2 D code at least one mobile terminal.
Described mobile device can be mobile phone, panel computer, also can be that other have the equipment of image in 2 D code processing capacity, and mobile device is provided with picture and text process software, described picture and text process software can control the recording of picture and text image in 2 D code stream, parsing and storage, and the displaying etc. of the graph text information parsed on equipment.
The video signal preprocessor of television set, after processing described vision signal, the display of television set is play programme content corresponding to described vision signal.Meanwhile, described display module 300 is according to the dynamically picture and text image in 2 D code described in simultaneous display of information in described picture and text showing data.
At television for play programme content and when showing the picture and text image in 2 D code synchronous with described programme content, user by one or more mobile device simultaneously or timesharing, record one section of picture and text image in 2 D code stream respectively, wherein, described picture and text image in 2 D code stream refers to the one or more described picture and text image in 2 D code of display continuously.Mobile device is being recorded and after resolving described picture and text image in 2 D code stream, will resolve one group of graph text information obtaining stored in memory block.When user wants to check described graph text information, the display screen of mobile device shows described graph text information according to the sequencing of picture and text.
The region area size taken on the screen of described display due to described picture and text image in 2 D code is fixed, and be much smaller compared with region area shared when normally showing on a television set with picture and text, it shows and checks that graph-text content also can not cause the switching of current broadcast program picture subsequently through mobile device, and thus described picture and text image in 2 D code can be considered the played in full screen not affecting current broadcast program.
Teletext many equipment display unit that the present invention proposes, adopt the mode graph text information that simultaneous display program is corresponding on a television set of image in 2 D code, and be supported in the content of one or more mobile device being checked recorded graph text information, when not affecting the current broadcast program played in full screen of television set, achieve graph-text content checking on one or more mobile device.
Further, with reference to Fig. 4, propose teletext many equipment display unit second embodiment of the present invention based on the first embodiment, in the present embodiment, described transport stream comprises vision signal and facsimile signal.Based on the embodiment shown in above-mentioned Fig. 3, described processing module 200 comprises:
Resolution unit 201, for resolving described transport stream, obtains vision signal and facsimile signal;
Comprise current just at program number and the Program Map Table corresponding with described program number of broadcast program in described transport stream.Described Program Map Table comprises the positional information of the corresponding image, text and data of described program number in described transport stream, the positional information of the corresponding video data of described program number in described transport stream, the position that image, text and data identifies, video data identification determines image, text and data and video data that can be corresponding according to described program number.After determining video data and image, text and data place Data Position, described resolution unit 201 resolves described video data and image, text and data, thus obtains vision signal corresponding to described transport stream and facsimile signal.
Described facsimile signal can be divided into teletext data and subtitle data according to data stream type, data stream type is that the data representation of teletext covers full frame image, text and data, described data stream type is the image, text and data that the data representation part of subtitle covers programme content, such as captions.
Extraction unit 202, for extracting picture and text showing data from described facsimile signal;
Described facsimile signal comprises the bag of 3 kinds of fundamental types, is top margin bag, common row bag, expanding packet respectively.Wherein, the page number number information, displaying time dot information, display control information etc. of all picture and text that described facsimile signal comprises drawn together by top margin handbag; The information of the graph-text content that can directly show corresponding with the page number of all picture and text in described top margin bag drawn together by common row handbag; Expanding packet does not comprise the graph-text content information for directly showing, and it comprises for senior decoder provides the information strengthening the property or provide special data to serve.
Described extraction unit 202 extracts all graph text informations except control information from the top margin bag described facsimile signal and common row bag, identified by extracted graph text information, thus obtain described picture and text showing data stored in buffer area with the page number.Wherein, described control information comprises displaying time dot information and the display control information of picture and text.
Processing unit 203, for generating the picture and text image in 2 D code comprising page number information by page according to described picture and text showing data.
Teletext has the page number by one group and numbers the picture and text of (3 page numbers) and form, and the character that the picture and text of every page are arranged by 24 row 40 and figure are formed.The content of every page of picture and text and the frame number of its correspondence and page number number information are carried out encoding thus generate picture and text image in 2 D code according to described picture and text showing data by described processing unit 203.Facsimile signal comprises multiple picture and text, the corresponding multiple picture and text image in 2 D code generating equal number.The information that described in each, picture and text image in 2 D code comprises has: the page number of picture and text corresponding to the total page number of picture and text contained by the frame number (identical with the frame number of the corresponding transport stream of described facsimile signal) of its corresponding facsimile signal, its corresponding facsimile signal, current picture and text image in 2 D code is numbered, the content of picture and text corresponding to current picture and text image in 2 D code.
Teletext many equipment display unit that the present invention proposes, by the picture and text showing data extracted from described transport stream according to normally show the consistent information of picture and text on a television set, corresponding picture and text image in 2 D code is generated successively by page, ensure that generated picture and text image in 2 D code and the one_to_one corresponding of every page of picture and text, lay the first stone for follow-up use mobile device views the graph text information consistent with television set.
Further, with reference to Fig. 5, propose teletext many equipment display unit the 3rd embodiment of the present invention based on the second embodiment, based on the embodiment shown in above-mentioned Fig. 3, described display module 300 comprises:
First display unit 301, for playing programme content corresponding to described vision signal;
Second display unit 302, for according to picture and text image in 2 D code described in page number order Dynamic Announce.
Described vision signal is after the video signal preprocessor process on television set, described first display unit 301 controls to play corresponding programme content, meanwhile, described second display unit 302 refreshes the display of picture and text image in 2 D code, to reach the simultaneous display of picture and text image in 2 D code programme content corresponding to it according to the frame frequency information of actual program.Such as, when the frame frequency of current playing program is 60HZ, described first display unit 301 controls number order frame by frame per second and shows 60 program pictures successively, and show often open program pictures time described in the information such as the page number numbering of each picture and text in the second display unit 302 facsimile signal corresponding to actual program picture and picture and text showing time point, all picture and text image in 2 D code of different page number numbering that what simultaneous display actual program picture was corresponding have.
Teletext many equipment display unit that the present invention proposes, achieve the picture and text image in 2 D code that simultaneous display while program content playing is corresponding with current program content, and the display of picture and text image in 2 D code does not affect the played in full screen of actual program.
The present invention also provides a kind of teletext many equipment display system, and as shown in Figure 6, described teletext many equipment display system comprises television set 400 and mobile device 500.Described television set 400 comprises the teletext many equipment display unit described in above-mentioned any embodiment, described television set 400 for the picture and text showing data processing in the transport stream of real-time reception is generated picture and text image in 2 D code, and while the corresponding program of the described transport stream of broadcasting picture and text image in 2 D code described in Dynamic Announce;
Described mobile device 500, for recording described picture and text image in 2 D code to obtain picture and text image in 2 D code stream from television screen; Wherein, described picture and text image in 2 D code stream refers to the one or more described picture and text image in 2 D code of display continuously.
Described transport stream comprises vision signal and facsimile signal, by the signal receiver real-time reception of television set.A corresponding frame video image of transport stream.After getting described transport stream, obtain corresponding vision signal and facsimile signal by resolving described transport stream.From described facsimile signal, extract corresponding picture and text showing data according to the Packet type in facsimile signal, and then according to the described picture and text showing data extracted, generate the picture and text image in 2 D code comprising graph text information.
Described mobile device can be mobile phone, panel computer, also can be that other have the equipment of image in 2 D code processing capacity, and mobile device is provided with picture and text process software, described picture and text process software can control the recording of picture and text image in 2 D code stream, parsing and storage, and the displaying etc. of the graph text information parsed on equipment.
The video signal preprocessor of television set, after processing described vision signal, the display of television set is play programme content corresponding to described vision signal.Meanwhile, described display is according to the dynamically picture and text image in 2 D code described in simultaneous display of information in described picture and text showing data.
When television for play programme content and synchronous with the described programme content picture and text image in 2 D code of display, user by one or more mobile device simultaneously or timesharing, respectively recording one section of picture and text image in 2 D code stream.
The region area size taken on the screen of described display due to described picture and text image in 2 D code is fixed, and be much smaller compared with region area shared when normally showing on a television set with picture and text, it shows and checks that graph-text content also can not cause the switching of current broadcast program picture subsequently through mobile device, and thus described picture and text image in 2 D code can be considered the played in full screen not affecting current broadcast program.
Teletext many equipment display system that the present invention proposes, by television set, the graph text information in the transport stream of real-time reception is generated corresponding picture and text image in 2 D code, and while television for play program picture and text image in 2 D code described in Dynamic Announce, support that recording described picture and text image in 2 D code on the mobile apparatus obtains picture and text image in 2 D code stream, to realize follow-up graph-text content of checking correspondence on the mobile apparatus, reaching when not affecting actual program played in full screen, being checked the object of graph text information by one or more mobile device.
Further, propose teletext many equipment display system second embodiment of the present invention based on the first embodiment, in the present embodiment, described television set comprises signal receiver, video signal preprocessor, display, described television set 400 specifically for:
Real-time transport stream is received by described signal receiver, described transport stream is obtained vision signal and picture and text image in 2 D code after described teletext many equipment display apparatus processes, the programme content display described vision signal obtained after described video signal preprocessor process on the display, meanwhile, by picture and text image in 2 D code Dynamic Announce corresponding for described programme content on the display.
Comprise current just at program number and the Program Map Table corresponding with described program number of broadcast program in described transport stream.Described Program Map Table comprises the positional information of the corresponding image, text and data of described program number in described transport stream, the positional information of the corresponding video data of described program number in described transport stream, the position that image, text and data identifies, video data identification determines image, text and data and video data that can be corresponding according to described program number.After determining video data and image, text and data place Data Position, resolve described video data and image, text and data by the decoder of television internal, thus obtain vision signal corresponding to described transport stream and facsimile signal.
Described facsimile signal can be divided into teletext data and subtitle data according to data stream type, data stream type is that the data representation of teletext covers full frame image, text and data, described data stream type is the image, text and data that the data representation part of subtitle covers programme content, such as captions.
Described facsimile signal comprises the bag of 3 kinds of fundamental types, is top margin bag, common row bag, expanding packet respectively.Wherein, the page number number information, displaying time dot information, display control information etc. of all picture and text that described facsimile signal comprises drawn together by top margin handbag; The information of the graph-text content that can directly show corresponding with the page number of all picture and text in described top margin bag drawn together by common row handbag; Expanding packet does not comprise the graph-text content information for directly showing, and it comprises for senior decoder provides the information strengthening the property or provide special data to serve.
From the top margin bag described facsimile signal and common row bag, extract all graph text informations except control information, extracted graph text information is identified with the page number stored in buffer area, thus obtains described picture and text showing data.Wherein, described control information comprises displaying time dot information and the display control information of picture and text.
Teletext has the page number by one group and numbers the picture and text of (3 page numbers) and form, and the character that the picture and text of every page are arranged by 24 row 40 and figure are formed.The content of every page of picture and text and the frame number of its correspondence and page number number information are carried out encoding thus generate picture and text image in 2 D code according to described picture and text showing data by television set.Facsimile signal comprises multiple picture and text, the corresponding multiple picture and text image in 2 D code generating equal number.The information that described in each, picture and text image in 2 D code comprises has: the page number of picture and text corresponding to the total page number of picture and text contained by the frame number (identical with the frame number of the corresponding transport stream of described facsimile signal) of its corresponding facsimile signal, its corresponding facsimile signal, current picture and text image in 2 D code is numbered, the content of picture and text corresponding to current picture and text image in 2 D code.
Television set in described vision signal after video signal preprocessor process, corresponding programme content is play over the display according to result, meanwhile, television set refreshes the display of picture and text image in 2 D code, to reach the simultaneous display of picture and text image in 2 D code programme content corresponding to it according to the frame frequency information of actual program.Such as, when the frame frequency of current playing program is 60HZ, number order frame by frame per second shows 60 program pictures successively, and show often open program pictures time facsimile signal corresponding to actual program picture in the page number numbering of each picture and text and the information such as picture and text showing time point, all picture and text image in 2 D code of different page number numbering that what simultaneous display actual program picture was corresponding have.
Television set in teletext many equipment display system that the present invention proposes, do not increasing on the basis of hardware cost, can by the graph text information in received transport stream with the mode simultaneous display of picture and text image in 2 D code on the display of television set, and the display of described picture and text image in 2 D code does not affect the played in full screen of actual program.
Further, propose teletext many equipment display system the 3rd embodiment of the present invention based on the second embodiment, in the present embodiment, described mobile device comprises camera, image processor, memory, described mobile device 500 specifically for:
Described in described television set Dynamic Announce during picture and text image in 2 D code, record one section of picture and text image in 2 D code stream by described camera, and resolve to obtain graph text information to scanned picture and text image in 2 D code by described image processor while scanning is recorded and be stored into described memory.
At described television for play program and picture and text image in 2 D code corresponding to simultaneous display time, the camera scanning picture and text image in 2 D code that namely mobile device begins through on described mobile device after receiving record command is recorded, and scan a picture and text image in 2 D code in the process recorded after, it resolved at every turn and judge whether the graph-text content parsed is empty, when the graph-text content parsed is for time empty, the information that a prompting picture and text content recordal completes, and by analysis result stored in memory block, when the graph-text content parsed is not for time empty, directly by analysis result stored in described memory block, after receiving the instruction of recording and terminating, stop the scanning to picture and text image in 2 D code, and the parsing completed the picture and text image in 2 D code scanned and storage operation.
Teletext many equipment display system that the present invention proposes, there is provided on the basis of picture and text image in 2 D code at television set, one section of picture and text image in 2 D code stream is recorded by mobile device, and described mobile device support is to the data processing of recorded picture and text image in 2 D code stream, for realizing checking that teletext content does basis on the mobile apparatus.
Further, propose teletext many equipment display system the 4th embodiment of the present invention based on the 3rd embodiment, in the present embodiment, described mobile device also comprises display screen, described mobile device 500 concrete also for:
After receiving and checking picture and text instruction, check the described graph text information that picture and text instruction is corresponding described in reading from described memory, and show described graph text information on described display screen.
When receiving the instruction checking one section of graph-text content, from described memory, find the resolution data that this section of graph-text content is corresponding, and show corresponding graph-text content on a display screen according to the order of sequence according to the frame number information of picture and text in described resolution data and page number number information.Such as, one section of graph text information of normal display comprises the frame number of in chronological sequence order display is on a television set the facsimile signal of 5-10, if the facsimile signal that frame number is 5 comprises the picture and text image in 2 D code that the page number in chronological sequence sequentially shown is 1-4, frame number be 6 the facsimile signal page number that comprises in chronological sequence order display be the picture and text image in 2 D code of 1-2, when then showing this section of graph text information on the mobile apparatus, first display frame is numbered 5, page number is the corresponding picture and text of picture and text image in 2 D code of 1, then display frame is numbered 5 according to the order of sequence, page number is the corresponding picture and text of picture and text image in 2 D code of 2, frame number is 5, page number is the corresponding picture and text of picture and text image in 2 D code of 3, frame number is 5, page number is the corresponding picture and text of picture and text image in 2 D code of 4, frame number is 6, page number is the corresponding picture and text of picture and text image in 2 D code of 1, frame number is 6, page number is the corresponding picture and text of picture and text image in 2 D code of 2, frame number is 7, page number is the corresponding picture and text of picture and text image in 2 D code of 1, the like, until display frame is numbered the corresponding picture and text of picture and text image in 2 D code of last page number of 10.
Be appreciated that, under current technical conditions, described mobile device is generally equal when networking transmits data, and described mobile device stores the resolution data of described picture and text two dimension code stream, thus the graph text information that oneself is recorded can be shared to other users by a user, makes other users not be used in television set side and also can get useful video text information.
The present invention propose teletext many equipment display system, achieve the teletext content of checking on the mobile apparatus and having stored, in conjunction with some specific functions of described mobile device, for user provide one more flexibly, easily teletext check mode.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. teletext many equipment display packing, is characterized in that, described teletext many equipment display packing comprises:
Obtain the transport stream of real-time reception;
Picture and text showing data are extracted from described transport stream, and according to described picture and text showing data genaration picture and text image in 2 D code; And
While the corresponding program of the described transport stream of broadcasting, picture and text image in 2 D code described in Dynamic Announce, records described picture and text image in 2 D code at least one mobile terminal.
2. teletext many equipment display packing as claimed in claim 1, it is characterized in that, described transport stream comprises vision signal and facsimile signal; Describedly from described transport stream, extract picture and text showing data, and comprise according to described picture and text showing data genaration picture and text image in 2 D code:
Resolve described transport stream, obtain vision signal and facsimile signal;
Picture and text showing data are extracted from described facsimile signal;
Generate the picture and text image in 2 D code comprising page number information by page according to described picture and text showing data.
3. teletext many equipment display packing as claimed in claim 2, is characterized in that, described while the corresponding program of the described transport stream of broadcasting, described in Dynamic Announce, picture and text image in 2 D code comprises:
While the corresponding programme content of the described vision signal of broadcasting, according to picture and text image in 2 D code described in page number order Dynamic Announce.
4. teletext many equipment display unit, is characterized in that, described teletext many equipment display unit comprises:
Acquisition module, for obtaining the transport stream of real-time reception;
Processing module, for extracting picture and text showing data, and according to described picture and text showing data genaration picture and text image in 2 D code from described transport stream;
Display module, for while the corresponding program of the described transport stream of broadcasting, picture and text image in 2 D code described in Dynamic Announce, records described picture and text image in 2 D code at least one mobile terminal.
5. teletext many equipment display unit as claimed in claim 4, it is characterized in that, described transport stream comprises vision signal and facsimile signal; Described processing module comprises:
Resolution unit, for resolving described transport stream, obtains vision signal and facsimile signal;
Extraction unit, for extracting picture and text showing data from described facsimile signal;
Processing unit, for generating the picture and text image in 2 D code comprising page number information by page according to described picture and text showing data.
6. teletext many equipment display unit as claimed in claim 5, it is characterized in that, described display module comprises:
First display unit, for playing programme content corresponding to described vision signal;
Second display unit, for according to picture and text image in 2 D code described in page number order Dynamic Announce.
7. teletext many equipment display system, comprise television set and mobile device, it is characterized in that, described television set comprises the teletext many equipment display unit as described in any one of claim 4-6, described used as television in the picture and text showing data processing in the transport stream of real-time reception is generated picture and text image in 2 D code, and while the corresponding program of the described transport stream of broadcasting picture and text image in 2 D code described in Dynamic Announce;
Described mobile device, for recording described picture and text image in 2 D code to obtain picture and text image in 2 D code stream from television screen; Wherein, described picture and text image in 2 D code stream refers to the one or more described picture and text image in 2 D code of display continuously.
8. teletext many equipment display system as claimed in claim 7, described television set comprises signal receiver, video signal preprocessor, display, it is characterized in that, described television set specifically for:
Real-time transport stream is received by described signal receiver, described transport stream is obtained vision signal and picture and text image in 2 D code after described teletext many equipment display apparatus processes, the programme content display described vision signal obtained after described video signal preprocessor process on the display, meanwhile, by picture and text image in 2 D code Dynamic Announce corresponding for described programme content on the display.
9. teletext many equipment display system as claimed in claim 8, described mobile device comprises camera, image processor, and memory is characterized in that, described mobile device specifically for:
Described in described television set Dynamic Announce during picture and text image in 2 D code, record one section of picture and text image in 2 D code stream by described camera, and resolve to obtain graph text information to scanned picture and text image in 2 D code by described image processor while scanning is recorded and be stored into described memory.
10. teletext many equipment display system as claimed in claim 9, described mobile device also comprises display screen, it is characterized in that, described mobile device concrete also for:
After receiving and checking picture and text instruction, check the graph text information that picture and text instruction is corresponding described in reading from described memory, and show described graph text information on described display screen.
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| CN201510626274.6A CN105228026B (en) | 2015-09-25 | 2015-09-25 | The more equipment display methods of teletext, apparatus and system |
| PCT/CN2016/084477 WO2017049953A1 (en) | 2015-09-25 | 2016-06-02 | Multi-apparatus television teletext display method, device and system |
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| CN201510626274.6A CN105228026B (en) | 2015-09-25 | 2015-09-25 | The more equipment display methods of teletext, apparatus and system |
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| CN105228026B (en) | 2019-01-18 |
| WO2017049953A1 (en) | 2017-03-30 |
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