CN1250002C - Digital broacasting system for user while requiring service in period of validity and control method thereof - Google Patents
Digital broacasting system for user while requiring service in period of validity and control method thereof Download PDFInfo
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- CN1250002C CN1250002C CNB001202014A CN00120201A CN1250002C CN 1250002 C CN1250002 C CN 1250002C CN B001202014 A CNB001202014 A CN B001202014A CN 00120201 A CN00120201 A CN 00120201A CN 1250002 C CN1250002 C CN 1250002C
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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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
- H04N21/23614—Multiplexing of additional data and video streams
- H04N21/23617—Multiplexing of additional data and video streams by inserting additional data into a data carousel, e.g. inserting software modules into a DVB carousel
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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
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
- H04N21/4348—Demultiplexing of additional data and video streams
- H04N21/4349—Demultiplexing of additional data and video streams by extracting from data carousels, e.g. extraction of software modules from a DVB carousel
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- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
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Abstract
To predict interruption of a data carousel during current viewing of a viewer in the case of noncoincidence between a data service request time point and a data carousel effective section by processing an error when a first kind of data is changed into the second one and is not received. A service request part 560 is requested a data service related to a program from a viewer and requests it to a processing part 580. A program change request part 570 inputs a program change request from a viewer and requests it to the processing part 580. In the meantime, the processing part 580 extracts the first data carousel related to the first program and executes the data service by the request from the service request part 560. When the first program is changed into the second one by the request of the program change request part 570 during the execution of the data service and information is not continuously obtained from the first data carousel, the error processing is executed in the first data carousel by an existing error processing system.
Description
Technical field
The present invention relates to a kind of digit broadcasting system, be particularly related to when using the digital broadcasting of transmission of data carousel (datacarousel method) method and broadcast program relevant data, when data service request that spectators have done is in effective period in data carousel the time, change the digit broadcasting system of data, services interrupt method according to data type, and control the method for this digit broadcasting system.
Background technology
Because the development of personal computer (PC), information processing rate is accelerated, and owing to the extend information transmission speed of the Internet is also being improved.As a result, PC can coexist with TV, and PC and TV can be integrated on the other hand.Be integrated among the PC or be integrated into the combination that can realize PC and TV in the TV by function by function PC with TV.Part has realized this combination of two types.Developed and used the receiving card of internet television or PC TV.But, can recognize that these combinations can not make full use of the advantage of these two kinds of medium.
Developed Digital Television overcoming about the blaming for of existing simulated television, the simulated television of comparing, Digital Television can provide a plurality of channels and high-quality image, and simulated television some functions that can not provide.Particularly, broadcasting multimedia data and the program be made up of video and audio frequency allow TV that various types of multi-medium data services are provided.
That is to say that the technology that provides based on the various data, services of present high quality graphic and high quality sound has been provided Digital Television, and data, services develops into the interactive services of utilizing two-way channel from one directional service.
Can roughly can be divided into data, services, independently data, services and interactive data service by the COS that this class data broadcasting provides about specific program.The feature of every kind of COS will be described now.
Under the situation about the data, services of specific program, information and the broadcast singal (for example, sound signal, vision signal or the like) relevant with the program of just broadcasting at present send together.Here, information for example comprises and relevant information (for example, player's record information, physical culture term, game rule, the part information or the like of taking charge), other soap opera information and other business information of just broadcasting at present of physical culture relay.
Under the situation of independent data service, send with broadcast singal with the program information of just broadcasting at present that it doesn't matter, answer spectators' requirement on screen, to show this independent information then.Here, independent information comprises the information of giving volume (coupon), Web content such as real-time news, weather forecast, quotations on the stock market, software download, electronics.The independent data service can provide the interactive services of utilizing broad medium strictly according to the facts, because the independent data service not only can be used plain text, can also use application such as hypertext, figure, image, animation, audio/video montage and Java kid show.For example, when relaying Basketball Match, may be displayed on the zone of video screen, perhaps the scene that can provide the sportsman to play ball just now by video clipping about specific sportsman's details.
Under the situation of interactive data service, spectators' input transfer can provide the broadcast service of importing corresponding to him or she to spectators to broadcaster.Utilize modulator-demodulator, leased circuit or the like to obtain after two-way channel sets up the environment that can receive bi-directional data service spectators, can provide such as poll, the service of ballot, pouplarity ballot, audience rating investigating, survey, home shopping or the like to the user to the popular song seniority among brothers and sisters.In addition, can realize various other interactive services by being connected to external information provider.
Data, services that links to each other with specific program and independent data service obtain by the one directional service such as data broadcasting.But, using a kind of data carousel system in addition so that this interactive services of use whenever that can be in one-way data service, this data carousel system is used for providing repeatedly the data with effective period.
Fig. 1 explanation transmits these data by digital broadcasting transmitter (for example, Digital Television) the program receiving A data (for example, application program or the like) relevant with program A from the broadcasting station with the data carousel method.As can be seen from Figure 1, when reception and the broadcast audio/video signal relevant with program A, Digital Television is that unit receives the data relevant with program A continuously with the data carousel, and each carousel unit has the length of predetermined effective period.
When the interactive services of using the data carousel method is provided, will cause following problem.
That is, as shown in Figure 2, the Digital Television data carousel method reception audio/video data relevant with program A with broadcast.
Here, when viewer request changes program, that is, when the program A that will just broadcast at present becomes program B, will cause problem how to handle the data carousel of just broadcasting at present.That is, when spectators when the time point A of Fig. 2 request msg is served, needing length is the data, services of coming complete this viewer request of execution in cycle (effective period of corresponding data carousel) of B part among Fig. 2.But Digital Television responds this program and changes in the time point C reception data relevant with program B.Therefore, cause owing in the data carousel mistake that the request msg service produces in effective period.
For example, when spectators change to program B from the program A that is watching, for example just when the data, services of leading role's profile of program receiving A, Digital Television changes to program B and receives the data relevant with program B with the data carousel method from program A in the request of answering spectators simultaneously.
Therefore, for example interrupted the transmission of data carousel before leading role's the profile in complete broadcast, this profile should broadcast before program changes.
As mentioned above, owing to asked data, services in effective period, interrupt the present data, services that is just providing inevitably in data carousel.Yet, do not have technology to address this problem.
Summary of the invention
The purpose of this invention is to provide a kind of before complete broadcast data carousel, when in data carousel request msg when service in effective period, the apparatus and method of notifying spectators' data carousel to interrupt.
For achieving the above object, the invention provides a kind of digital broadcast method, this method comprises: (a) broadcast a plurality of broadcast programs, data relevant with each program and about handling the information of this data method; (b) receive first data relevant and carry out data, services with top line in a plurality of programs, with when owing to change to second data and when no longer receiving first data from first data during the data, services, by at receiving terminal according to information specified data service disruption method about the method for handling first data, utilize the processing method that is preset at before the broadcasting in first data to handle the interruption of first data, services.
Best, wherein step (b) comprising: automated graphics is eliminated substep, when the processing method that presets is the automated graphics removing method, and end data service automatically; Notice and image are eliminated substep, when the processing method that presets is notice and image removing method, notify spectators to change to the data, services and the end data service of second data from the data, services of first data; With the buffering area service steps, determine whether to exist first data that are pre-stored in buffering area, and, if determine to have first data then continue data, services, if determine not have first data then notify spectators' data, services to change.
When being preferably in the content of data service provider manufacturing data, services, specify selection about the processing method of data, services.
For achieving the above object, the present invention also provide a kind of in digit broadcasting system the deal with data service method, this digit broadcasting system is by broadcasting a plurality of broadcast programs, data relevant with each program and providing data, services about the information of the method for handling these data, and this method comprises: the data, services with first data of receiving is provided when request msg is served; With when no longer receiving first data owing to first data during the data, services change to second data, by according to information specified data service disruption method, utilize the interruption of disposal methods first data, services that is preset in first data to handle mistake about the method for handling first data.
Best, this fault processing step comprises: automated graphics is eliminated substep, when presetting error handling method and be the automated graphics removing method, and end data service automatically; Notice and image are eliminated substep, when the processing method that presets is notice and image removing method, and data, services and the end data service of notifying spectators' data, services to change to second data; With the buffering area service steps, determine whether to exist first data that are pre-stored in buffering area, and, if determine to have first data then continue data, services, if determine not have first data then notify spectators' data, services to change.In order to represent error handling method, in the table relevant, increase by a descriptor with data, services.
Best, in order to represent this processing method, in the table relevant, increase by a descriptor with data, services in the digit broadcasting system.
Best, the expansion service description list (service description table, SDT) in existing descriptor to represent this processing method.
Best, when data service provider is made the content of data, services, specify selection about the processing method of data, services.Also the most handy data carousel method broadcast service data.
For achieving the above object, the invention provides a kind of digit broadcasting system that comprises digital broadcast equipment, this digital broadcast equipment is broadcasted a plurality of broadcast programs, data relevant with each program and about the information of this data processing method.This digit broadcasting system also comprises broadcasting receiver, this broadcasting receiver receives first data relevant with top line in a plurality of programs and carries out data, services, with when owing to change to second data and when no longer receiving first data from first data during the data, services, by according to information specified data service disruption method, utilize the processing method that is preset in first data before the broadcasting to handle mistake about the method for handling first data.
Best, this broadcasting receiver comprises: the service request unit is used to ask the data, services relevant with program; Program changes request unit, is used for request and changes to second program from current top line; And processing unit, be used to receive first data relevant and answer the request of service request unit that data, services is provided with top line, and when owing to change to second and program and when no longer receiving first data from top line during the data, services, by according to information specified data service disruption method, utilize the processing method that is preset in first data before the broadcasting to handle mistake about the method for handling first data.
Best, when the error handling method that presets is the automated graphics removing method, the automatic end data service of processing unit; When the error handling method that presets is a notice and during the image removing method, notifies the current data, services of spectators to change to the data, services of second data and finish the data, services of first data; When the error handling method that presets is buffering area when service, determine whether to exist first data, and, if determine to have first data then continue data, services, if determine not have first data then notify spectators' data, services to change.
For achieving the above object, the invention provides the digital broadcasting transmitter in a kind of digit broadcasting system, the broadcasting of this digit broadcasting system is with packet form broadcast program, the service data relevant with broadcast program with about the information of the method for handling this service data, this receiver comprises: demodulation multiplexer is used for receiving packet and extracts audio data, video data and the service data relevant with specific program from the packet of receiving; The audio/video decoder, the audio/video data are used to decode; The data presentation controller is used to control the broadcast of service data; Audio/video is broadcasted the unit, is used to broadcast the audio/video data and the service data of decoding; The service request unit is used to ask the data, services relevant with program; Program changes request unit, is used to ask change to second program from current top line; And processing unit, be used to extract first service data relevant and answer the request of service request unit that data, services is provided with top line, and when owing to answer request that program changes request unit changing to second program and when no longer receiving first service data from top line during the data, services, by according to information specified data service disruption method, utilize the processing method that is preset in first service data before the broadcasting to handle mistake about the method for handling first service data.
Best, these data transmit with the form that motion image expert group 2 transmits stream (MPEG-2TS) grouping.
Description of drawings
Describe its preferred embodiment in detail by the reference accompanying drawing, it is more obvious that above-mentioned purpose of the present invention and advantage will become, wherein:
Fig. 1 explanation is received from the program A of broadcasting station and the data relevant with program A by digital broadcasting transmitter according to the data carousel method;
Fig. 2 illustrates when program A changes to program B, program receiving A and the data relevant with program B;
Fig. 3 account for motion motion picture expert group version-2 transmits the sentence structure of the transmission stream that flows (MPEG-2TS) method and the sentence structure of TS grouping, and this MPEG-2TS method can be used for according in the transfer approach of the present invention, and the TS grouping is to transmit a composition that flows;
Fig. 4 explanation is flowed from the transmission of broadcasting station A, B and C respectively;
Fig. 5 is the block diagram according to digital broadcasting transmitter of the present invention;
Fig. 6 is the flow chart of explanation according to data processing method of the present invention; With
Fig. 7 A is the screen of explanation according to data processing method of the present invention to Fig. 7 D.
Embodiment
Here the term of being mentioned is to consider functional definition of the present invention, and can be according to the present invention or those of ordinary skills' custom change.Therefore, must define these terms according to the content that the whole field of this specification is mentioned.
At first, in digit broadcasting system according to the present invention, motion image expert group 2 transmits stream (MPEG-2TS) can be used as the data, services agreement, and this data, services agreement transmits broadcast program and service data from the broadcasting station to Digital Television.
Describe MPEG-2TS now with reference to Fig. 3 and transmit the sentence structure of stream and the sentence structure of TS grouping, this MPEG-2TS method can be used for according in the transfer approach of the present invention, and the TS grouping is a composition that transmits stream.Transport stream packet is drawn together a plurality of transport stream packet (for example, the TS grouping), and each transport stream packet is formed and roughly be divided into stem and Payload by 188 bytes, and stem provides the information about corresponding TS grouping, and the data physical record is in Payload.
Stem comprises that sync byte, transmission error indicator, Payload unit begin designator, transmit priority, group character (PID), scramble control, the control of self adaptation field, continuous counter and self adaptation field.To the bit of each field distribution predetermined number, the stem that comprises these fields provides and the relevant information of TS grouping.
Payload comprises the audio/video data and the service data of grouping, and the audio/video data of grouping and service data are distinguished from each other with basic grouped identifier (E_PID).
From each audio data, video data and the service data of each broadcasting station is that unit is re-used and transmits to spread through MPEG-2TS shown in Figure 3 and delivers to digital broadcasting transmitter with the basic grouped.
Fig. 4 explanation respectively from the transmission stream of broadcasting station A, B and C with from each program A of broadcasting station A audio data relevant, video data and service data multiplexing and transmission with B.
Here, service data comprises the information of the correlation between Digital Television notification application and data and answers spectators' request that the data of service are provided in interactive system.In Advanced Television Systems Committee (ATSC) data broadcasting service, in service describing table (SDT), specify this information.Valid period at broadcast program is transmitted service data repeatedly with the data carousel method.
Fig. 5 has represented the digital broadcasting transmitter in digit broadcasting system according to the present invention, this digit broadcasting system data carousel method broadcast data.With reference to Fig. 5, when spectators when channel selection unit 500 is selected the channel of broadcasting stations, tuner 510 is selected and receives from the transmission of particular broadcast station to flow under the control of processing unit 580.Demodulation multiplexer 520 receives the transmission stream from particular broadcast station, the service data of extracting the audio/video data relevant and transmitting through the carousel method with specific program, and audio data, video data and service data be stored in respectively in audio frequency buffering area 531, screen buffer 532 and the service data buffer zone 533 temporarily.Audio data and video data that audio decoder 541 and Video Decoder 542 are decoded and extracted respectively, and broadcast the audio data and the video data of unit 551 and the 522 broadcast decodings of video broadcast unit respectively to audio frequency.
The broadcast of the data presentation controller 543 control service datas of extracting is also broadcasted unit 551 and 552 to audio/video and is broadcasted the service data of being controlled.
The request that service request unit 560 receives spectators to be providing the data, services relevant with program, and sends this request to processing unit 580, and program changes request that request unit 570 receives spectators changing program, and to processing unit 580 these requests of transmission.
Processing unit 580 extracts first data carousel relevant with top line and answers the request of service request unit 560 to carry out data, services.In processing unit 580, when the information that can not obtain continuously because the request top line of answering program to change request unit 570 during the data, services changes to second program from first data carousel, the interruption of broadcasting first data carousel information with the disposal methods that is preset at first data carousel.
This error handling method comprises automated graphics removing method, notice and image removing method and buffering area service.
When the error handling method that presets is the automated graphics removing method, processing unit 580 automatic end data services.When the error handling method that presets was notice and image removing method, processing unit 580 notified this data, services of spectators to change to the data, services that second data carousel is provided, and finishes the data, services of first data carousel.When the error handling method that presets was the buffering area service, processing unit 580 determined whether first data carousel is pre-stored in the buffering area.And if stored, then continue to use the data, services of this buffering area service, otherwise, notify the change of spectators' data, services.
Best, can be by in another table relevant, adding descriptor or represent this error handling method by the existing descriptor of expansion service description list (SDT) with data, services.In addition, during making the content of data, services, when spectators when the reasonable time request msg serve, data service provider can be indicated automated graphics removing method, a notice and image removing method and buffering area method in serving.
Now with reference to Fig. 6 and Fig. 7 A to 7D describe a kind of in digit broadcasting system according to the present invention the method for deal with data.At first, processing unit 580 control tuners 510, tuner 510 will be applied to demodulation multiplexer 520 from the transmission stream of particular broadcast station as a result.At step S610, demodulation multiplexer 520 demultiplexings are received the specific program that transmits in the stream so that extract audio data, video data and service data, and broadcast audio data and video data through audio decoder 541 and Video Decoder 542 to audio frequency broadcast unit 551 and video broadcast unit 522 respectively.
Here, shown in Fig. 7 A,, broadcast unit 551/552 through audio/video and broadcast the audio/video data so that obtain the screen of Discovery (Diseovery) space shuttle Returning ball as the example that broadcasts.
When broadcasting the audio/video data, there be the presumptive area of the icon display of additional information on the expression space shuttle discovery at screen.
At step S620 and S630, when the viewer request data, services relevant with the program of watching, the data, services that processing unit 580 is carried out corresponding to the use data carousel of demodulation multiplexer 520 program that extracts.
Here, shown in Fig. 7 B, this service request represents that spectators select icon, and this feasible additional information about space shuttle discovery is presented on the screen.Shown in Fig. 7 C, when spectators selected icon, additional information (for example, the size of space shuttle discovery, its manufacture process, or the like) was by browser searches and be presented at the presumptive area of screen in detail.
At this moment, at step S640 and S650, when spectators changed data carousel during data, services, the data, services that the original data carousel of needs continues providing was provided processing unit 580.
Here, need to determine whether the initial data carousel to represent to determine whether to receive the signal that receives the audio/video data again, to allow spectators after the additional information of finishing watching about the Discovery, continue to watch the continuous data about Discovery Returning ball scene, this scene is a key frame just now.
Best, change request by program and produce this data carousel request.
If no longer need to determine original data carousel, then collect the new data carousel that changes at step S651 at step S650.That is the data carousel of the program of demodulation multiplexer 520 demultiplexings change and storage extraction in service data buffering area 533.Carry out this step, so that when upgrading the content of additional information, provide corresponding data to spectators continuously.
If need to determine original data carousel to carry out current data, services continuously at step S650, then at step S660, processing unit 580 uses the error handling method that is arranged on the initial data carousel, handles because the mistake that the service change request that data carousel was carried out in effective period causes.
Here, shown in Fig. 7 B, the situation that needs original data carousel, promptly, receive the situation of the signal that receives the audio/video data again, the expression spectators think to watch continuously the audio/video data conditions, and for example, these audio/video data and the Discovery pilot who is named as " JoneGlam " among the back Discovery pilot that lands is relevant.At this moment, eliminate browser searches and data presented from screen.
Best, can be by in the table relevant, increasing descriptor or the existing descriptor by expansion SDT provide a kind of method with data, services, this method in data carousel set handling because the method for the data carousel mistake that the request msg service causes in effective period.
The error handling method that present detailed description processing unit 580 usefulness are arranged in the initial data carousel is handled because the mistake that the service change request that data carousel was carried out in effective period causes.That is, the method that is preset by spectators is carried out from screen separately and is eliminated by browser searches and data presented.
At first, at step S661, when the automated graphics removing method method that deals with the mistake of not asking the program change of carrying out in effective period in good time owing to data carousel.In other words, when complete transmission during, finish the operation of browser automatically by browser searches and data presented.
On the other hand, at step S662 and S663, when notice and image removing method when the error handling method, notify the service of spectators' current data to change to be used to the data, services of the data carousel of carrying out change, and the data, services of end current data carousel.In other words,, inform that in advance spectators suspend the operation of browser, finish the operation of browser then after at the fixed time when complete transmission during by browser searches and data presented.
If the buffering area service then determines at step S664 whether present data presented carousel is stored in the service data buffering area 533 in advance as error handling method.If determine in data buffer zone 533, to have the data carousel of just serving at present at step S664, then continue this data, services at step S665.
Yet, if determine in service data buffering area 533, not have the data carousel of just serving at present,, notify the change of spectators' current data service, and finish current data, services by spectators' selection at step S666 and S667 at step S664.
Here, the method selected from three error handling method options by spectators of the fault processing of processing unit 580 realizes or realizes according to the information that is arranged on SDT.
Digit broadcasting system according to the invention described above, this digit broadcasting system provides data, services according to the data of data carousel method broadcasting, characteristic according to the default data carousel of data service provider, can provide several different methods to spectators, to solve owing to data carousel is carried out the mistake that data service request causes in effective period.
Although described the present invention with reference to specific embodiment, it will be apparent to those skilled in the art that, can make amendment to the embodiment that describes and do not exceed the spirit and scope of the present invention.
Claims (24)
1. digital broadcast method, this method comprises:
(a) broadcast a plurality of broadcast programs, data relevant and about the information of the method for handling these data with each program; With
(b) receive first data relevant and carry out data, services with top line in a plurality of programs, with when owing to change to second data and when no longer receiving first data from first data during the data, services, by at receiving terminal according to information specified data service disruption method about the method for handling first data, utilize the processing method that is preset at before the broadcasting in first data to handle the interruption of first data, services.
2. digital broadcast method as claimed in claim 1, wherein step (b) comprising:
Automated graphics is eliminated substep, when the processing method that presets is the automated graphics removing method, and end data service automatically;
Notice and image are eliminated substep, when the processing method that presets is notice and image removing method, notify spectators to change to the data, services and the end data service of second data from the data, services of first data; With
The buffering area service steps determines whether to exist first data that are pre-stored in buffering area, and, if determine to have first data then continue data, services, if determine not have first data then notify spectators' data, services to change.
3. digital broadcast method as claimed in claim 1 wherein when data service provider is made the content of data, services, is specified the selection about the processing method of data, services.
4. deal with data service method in digit broadcasting system, this digit broadcasting system is by broadcasting a plurality of broadcast programs, data relevant with each program and providing data, services about the information of the method for handling these data, and this method comprises:
Data, services with first data of receiving when serving, request msg is provided; With
When no longer receiving first data owing to first data during the data, services change to second data, by at receiving terminal according to information specified data service disruption method about the method for handling first data, utilize the processing method that is preset in first data before the broadcasting to handle mistake.
5. method as claimed in claim 4, wherein this fault processing step comprises:
Automated graphics is eliminated substep, when presetting error handling method and be the automated graphics removing method, and end data service automatically;
Notice and image are eliminated substep, when the processing method that presets is notice and image removing method, and data, services and the end data service of notifying spectators' data, services to change to second data; With
The buffering area service steps determines whether to exist first data that are pre-stored in buffering area, and, if determine to have first data then continue data, services, if determine not have first data then notify spectators' data, services to change.
6. method as claimed in claim 5 is wherein carried out last end data business in the buffering area service substep according to spectators' selection.
7. method as claimed in claim 4, data wherein transmit with the form of motion image expert group 2 transport stream packet.
8. method as claimed in claim 4 wherein in order to represent error handling method, increases by a descriptor in the table relevant with data, services.
9. method as claimed in claim 4, wherein in the expansion service description list existing descriptor to represent this processing method.
10. method as claimed in claim 8 or 9 wherein when data service provider is made the content of data, services, is specified the selection about the processing method of data, services.
11. method as claimed in claim 4 is wherein used data carousel method broadcast service data.
12. a digit broadcasting system, this system comprises:
Digital broadcast equipment is broadcasted a plurality of broadcast programs, data relevant with each program and about the information of this data processing method; With
Broadcasting receiver, receive first data relevant and carry out data, services with top line in a plurality of programs, with when owing to change to second data and when no longer receiving first data from first data during the data, services, by according to information specified data service disruption method, utilize the processing method that is preset in first data before the broadcasting to handle mistake about the method for handling first data.
13. digit broadcasting system as claimed in claim 12, wherein broadcasting receiver comprises:
The service request unit is used to ask the data, services relevant with program;
Program changes request unit, is used for request and changes to second program from current top line;
Processing unit, be used to receive first data relevant and answer the request of service request unit that data, services is provided with top line, and when owing to change to second and program and when no longer receiving first data from top line during the data, services, by according to information specified data service disruption method, utilize the processing method that is preset in first data before the broadcasting to handle mistake about the method for handling first data.
14. digit broadcasting system as claimed in claim 13, wherein when the error handling method that presets is the automated graphics removing method, the automatic end data service of processing unit; When the error handling method that presets is a notice and during the image removing method, notifies the current data, services of spectators to change to the data, services of second data and finish the data, services of first data; When the error handling method that presets is buffering area when service, determine whether to exist first data, and, if determine to have first data then continue data, services, if determine not have first data then notify spectators' data, services to change.
15. digit broadcasting system as claimed in claim 14, wherein in the expansion service description list existing descriptor to represent described error handling method.
16., wherein when data service provider is made the content of data, services, specify selection about the processing method of data, services as claim 14 or 15 described digit broadcasting systems.
17. digit broadcasting system as claimed in claim 12 is wherein used data carousel method broadcast data.
18. the digital broadcasting transmitter in the digit broadcasting system, this digit broadcasting system is with packet form broadcast program, the service data relevant with broadcast program with about the information of the method for handling this service data, and this receiver comprises:
Demodulation multiplexer is used for receiving packet and extracts audio data, video data and the service data relevant with specific program from the packet of receiving;
The audio/video decoder, the audio/video data are used to decode;
The data presentation controller is used to control service data and broadcasts;
Audio/video is broadcasted the unit, is used to broadcast the audio/video data and the service data of decoding;
The service request unit is used to ask the data, services relevant with program;
Program changes request unit, is used to ask change to second program from current top line; With
Processing unit, be used to extract first service data relevant and answer the request of service request unit that data, services is provided with top line, and when owing to answer request that program changes request unit changing to second program and when no longer receiving first service data from top line during the data, services, by according to information specified data service disruption method, utilize the processing method that is preset in first service data before the broadcasting to handle mistake about the method for handling first service data.
19. digital broadcasting transmitter as claimed in claim 18, wherein when the error handling method that presets is the automated graphics removing method, the automatic end data service of processing unit; When the error handling method that presets is a notice and during the image removing method, notifies the current data, services of spectators to change to the data, services of second data and finish the data, services of first data; When the error handling method that presets is buffering area when service, determine whether to exist first data, and, if determine to have first data then continue data, services, if determine not have first data then notify spectators' data, services to change.
20. digital broadcasting transmitter as claimed in claim 18, wherein these data transmit with the form of motion image expert group 2 transport stream packet.
21. digital broadcasting transmitter as claimed in claim 18 wherein in order to represent error handling method, increases by a descriptor in the table relevant with data, services.
22. digital broadcasting transmitter as claimed in claim 18, wherein in the expansion service description list existing descriptor to represent this processing method.
23., wherein when data service provider is made the content of data, services, specify selection about the processing method of data, services as claim 21 or 22 described digital broadcasting transmitters.
24. digital broadcasting transmitter as claimed in claim 18 wherein shows by the presumptive area of broadcasting the unit at video that an icon is indicated by demodulation multiplexer and extracts new service data.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR18174/1999 | 1999-05-20 | ||
| KR18174/99 | 1999-05-20 | ||
| KR19990018174 | 1999-05-20 | ||
| KR33250/99 | 1999-08-13 | ||
| KR33250/1999 | 1999-08-13 | ||
| KR1019990033250A KR100745996B1 (en) | 1999-05-20 | 1999-08-13 | digital broadcasting system and method for controling it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1275029A CN1275029A (en) | 2000-11-29 |
| CN1250002C true CN1250002C (en) | 2006-04-05 |
Family
ID=26635192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001202014A Expired - Fee Related CN1250002C (en) | 1999-05-20 | 2000-05-20 | Digital broacasting system for user while requiring service in period of validity and control method thereof |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP3868714B2 (en) |
| KR (1) | KR100745996B1 (en) |
| CN (1) | CN1250002C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7917921B2 (en) * | 2001-09-19 | 2011-03-29 | Koninklijke Philips Electronics N.V. | Control of an interactive application |
| KR20030025444A (en) * | 2001-09-20 | 2003-03-29 | 주식회사 에이스테크놀로지 | Information transmitting and receiving method of digital DBS system and receiver thereof |
| KR100438858B1 (en) * | 2002-02-07 | 2004-07-05 | 엘지전자 주식회사 | Method for progressing a speed receive of a data broadcasting |
| JP4875987B2 (en) | 2004-11-02 | 2012-02-15 | パナソニック株式会社 | Application program execution device |
| KR101227500B1 (en) * | 2006-05-17 | 2013-01-29 | 엘지전자 주식회사 | Apparatus and method of processing digital broadcast signal |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05137125A (en) * | 1991-11-13 | 1993-06-01 | Victor Co Of Japan Ltd | Teletext receiver |
| JPH05191787A (en) * | 1992-01-16 | 1993-07-30 | Canon Inc | Teletext receiver |
| JPH05328318A (en) * | 1992-05-21 | 1993-12-10 | Sanyo Electric Co Ltd | Method for receiving teletext |
| JPH1127639A (en) * | 1997-07-03 | 1999-01-29 | Matsushita Electric Ind Co Ltd | Data broadcast transmitter, data receiver and data broadcast transmission reception system |
-
1999
- 1999-08-13 KR KR1019990033250A patent/KR100745996B1/en not_active IP Right Cessation
-
2000
- 2000-05-19 JP JP2000148784A patent/JP3868714B2/en not_active Expired - Fee Related
- 2000-05-20 CN CNB001202014A patent/CN1250002C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR100745996B1 (en) | 2007-08-06 |
| JP3868714B2 (en) | 2007-01-17 |
| KR20000075387A (en) | 2000-12-15 |
| JP2000358233A (en) | 2000-12-26 |
| CN1275029A (en) | 2000-11-29 |
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