CN101202600A - System for providing broadcasting content information and method for providing broadcasting service in the system - Google Patents
System for providing broadcasting content information and method for providing broadcasting service in the system Download PDFInfo
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- CN101202600A CN101202600A CNA2007101938940A CN200710193894A CN101202600A CN 101202600 A CN101202600 A CN 101202600A CN A2007101938940 A CNA2007101938940 A CN A2007101938940A CN 200710193894 A CN200710193894 A CN 200710193894A CN 101202600 A CN101202600 A CN 101202600A
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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
- H04N21/4343—Extraction or processing of packetized elementary streams [PES]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
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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
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/2387—Stream processing in response to a playback request from an end-user, e.g. for trick-play
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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
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4333—Processing operations in response to a pause request
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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
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/458—Scheduling content for creating a personalised stream, e.g. by combining a locally stored advertisement with an incoming stream; Updating operations, e.g. for OS modules ; time-related management operations
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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
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47202—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting content on demand, e.g. video on demand
Abstract
A system and method for providing information about currently broadcast content at a broadcasting server. A multimedia broadcasting system includes a broadcasting server for broadcasting a packet including a broadcasting content ID corresponding to currently broadcast broadcasting content for each broadcasting channel and a broadcasting reception terminal for receiving a packet through a broadcasting channel upon selection of the broadcasting channel and checking content information corresponding to a content ID included in the received packet using previously stored broadcasting schedule information in order to check received broadcasting content.
Description
Technical field
The present invention relates generally to a kind of system and method that is used to provide broadcast service, relating in particular to a kind of be used in order provides broadcast content information so that the system and method about the accurate information of the broadcasted content of current broadcast to be provided for broadcasting server.
Background technology
Usually, provide broadcast service by normal domestic use TV (TV) and portable terminal to the user.The number of users that receives broadcast service by portable terminal increases greatly.Mobile TV service is the example of the broadcast service that provides by portable terminal, and meets various standards usually, for example, comprises DMB (DMB), digital video broadcasting-hand-held (DVB-H), Open Mobile Alliance broadcasting (OMA-BCAST) etc.Usually provide mobile TV to serve by test broadcasting or regular broadcasting to the user based on this standard in Europe and the U.S. and Korea S.The video that in existing broadcasting, provides, comprise that the mobile TV service of existing digital TV service provides the newtype that is called data, services service recently.
Now the traditional DVB-H system be used to provide broadcast service is described with reference to Fig. 1.
In Fig. 1, content providing unit 102 is managed by the content provider, and produce will be by the various broadcasted contents of DVB-H broadcasting station broadcasting.Content is meant the basic broadcasting unit of distinguishing by according to the time of the broadcasting schedule that can use electronic service guidebooks (ESG) or electronic program guides (EPG) to form as used herein.When content providing unit 102 provides multi-medium data, the input data are packed and multiplexing after, communication common carrier (common carrier) according to broadcasting method by radio unit 106 broadcasting input data.In other words, radio unit 106 is packed by 104 pairs of transmitting multimedia datas of Internet protocol (IP) wrapper (capsulator), multi-medium data by 105 pairs of packings of multiplexer carries out multiplexing, then the multi-medium data by broadcast communication network 110 broadcasting multiplexes.
When from the multi-medium data of broadcasting server 100 broadcasting multiplexes, user's broadcast receiving apparatus 120 receives the multi-medium data of broadcasting by radio receiver 121.Carry out demultiplexing and decapsulation by being included in the demodulation multiplexer 122 in the radio receiver 121 and the multi-medium data of 123 pairs of receptions of IP decapsulator, thereby it is redeveloped into original multi-medium data.Then the multi-medium data that will the rebuild multimedia processor 124 that outputs to broadcast receiving apparatus 120 to be handling, thereby the exportable channel of selecting with the user is broadcasted accordingly.
In the system of broadcast service was provided, broadcasting server sent to broadcast receiving apparatus 120 with broadcast service information (such as COS that provides in each channel and details and the reception information that is used to receive broadcast service).Described broadcast service information can be electronic program guides (EPG) under the situation of DMB, can be electronic service guidebooks (ESG) under the situation of DVB-H.
The broadcast receiving apparatus 120 of reception broadcast service information is the stored broadcast information on services in advance.In case for broadcast service has been selected the scheduled broadcast channel, broadcast receiving apparatus 120 is the broadcasting channel receiving broadcast content by passing through with reference to previously stored broadcast service information to select just, and broadcasted content is provided.In other words, when broadcast service is provided, can discern the broadcasted content that provides according to the broadcast service information of previous reception.
Simultaneously, current broadcasted content by the broadcast channel broadcasts selected with may differ from one another at the broadcasted content of current point in time scheduled broadcasts according to the previous broadcast service information that receives.In this case, request according to the broadcast content information of watching the current broadcast channel broadcasts of selecting by the user, broadcast receiving apparatus 120 is from the broadcast service information inspection of the previous reception broadcast content information about the broadcasting channel selected, and broadcast content information is provided.Therefore, can provide and the current different broadcast content information of broadcast content information of passing through the broadcast channel broadcasts of selection to the user.
For example, suppose according to previous broadcast service information first channel that receives from afternoon 8:00 to 9:00 scheduled broadcasts drama A in afternoon, and first channel from afternoon 9:00 to 10:00 scheduled broadcasts drama B in afternoon, but changed the timetable of drama A owing to some broadcast delays of broadcasting server 100, therefore will broadcast drama A up to 9:10 in afternoon, and will from afternoon 9:10 to afternoon 10:10 broadcast drama B.
If the user confirms that by the broadcast service information of checking previous reception drama B plans at first channel since 9:00 in afternoon, and therefore select first channel to watch drama B, then the user may watch drama A rather than drama B, and the broadcast service information that provides also is the information of the drama B that wishes about the information of drama A rather than about the user.Even because current broadcasted content of broadcasting is drama A, drama B also is provided as broadcast content information, therefore, can not provide accurate information to the user about the current broadcast content on first channel.
If the user be drama B the reservation record setting about will first channel from afternoon 9:00 to the reservation record of the content of 10:00 broadcasting in afternoon, broadcast receiving apparatus 120 opening entries first channel content of 9:00 broadcasting in the afternoon then, and 10:00 stops record in the afternoon.Yet because at first channel 9:00 broadcasting drama A rather than drama B in the afternoon, and drama B is actually since 9:10 in afternoon, so the part of drama A also is recorded.In addition, because 10:00 stops record in the afternoon, so can not be recorded with the part of last 10 minutes corresponding drama B.
The condition receiving system (CAS) that is used to provide paid service is distributed to the content of multimedia of the channel of scrambling with unique authority identifier (ID), with the identification content of multimedia.Can discern content of multimedia although have the terminal of CAS, the server that provides content of multimedia must comprise scrambling module, and terminal must comprise descrambling module.In addition, because therefore the required intensive of descrambling has caused heavy load in terminal.
As mentioned above, traditionally, the user checks information about broadcasted content according to the broadcast service information that before provided, and by with reference to the reservation record of the broadcast service information setting that before provided about the content of hope, and nonrecognition broadcasted content in fact.
Therefore,, then may provide error message to the user if the information about broadcasted content that before provided is different with the actual broadcast content, rather than about the correct information of actual broadcast content.In addition, in reservation record, except the content of expectation, the user also may write down the content of not expecting, causes the waste of memory and power, even causes recording desired content failure.
Although CAS can discern content, in order to make the terminal recognition content of multimedia with CAS, server must comprise scrambling module, and terminal must comprise descrambling module.In addition, because therefore the required intensive of descrambling has caused heavy load in terminal.In addition, broadcast content information need be provided, wherein, accurate information can be provided about the broadcasted content of current broadcast.
Summary of the invention
The present invention addresses the above problem and/or shortcoming at least, and following advantage is provided at least.Therefore, an aspect of of the present present invention is to provide a kind of system and method that is used to provide broadcast content information, wherein, can provide the accurate information about the broadcasted content of current broadcast.
Another aspect of the present invention is to provide a kind of system and method that is used to provide broadcast content information, wherein, sends information about the broadcasted content of current broadcast with low volume data, and broadcast receiving apparatus can enough subtotal calculations be measured and discerned broadcasted content.
According to an aspect of the present invention, provide a kind of multi-media broadcasting system, described system comprises: broadcasting server, be used for broadcast packet, and described bag comprises and is used for each broadcasting channel and the corresponding broadcasted content ID of broadcasted content current broadcast; And broadcast receiving apparatus, when selecting broadcasting channel, receive bag, and use the content ID content corresponding information in previously stored broadcasting schedule information check and the bag that is included in reception, to check the broadcasted content that receives by broadcasting channel.
According to a further aspect in the invention, provide a kind of method that broadcast content information is provided in the multi-media broadcasting system that comprises broadcasting server and digital broadcast receiving terminal.Described method comprises: the first step, broadcasting server broadcast packet, described bag comprise and are used for each broadcasting channel and the corresponding broadcasted content ID of broadcasted content current broadcast; In second step, when selecting broadcasting channel, digital broadcast receiving terminal receives bag by broadcasting channel; And the 3rd step, digital broadcast receiving terminal uses previously stored broadcasting schedule information check and the content ID content corresponding information that is included in the bag of reception, to check the broadcasted content that receives.
According to an aspect of the present invention, provide a kind of multi-media broadcasting system, described system comprises: broadcasting server is used to broadcast and comprises and be used for bag each broadcasting channel and the corresponding broadcasted content ID of broadcasted content current broadcast; And digital broadcast receiving terminal, when selecting to be used for the broadcasted content of reservation record, the broadcasting channel of the broadcasted content by being used to broadcast selection, the time point of preset content search time begins bag and receives before the broadcasting time started of the broadcasted content of selecting, whether the content ID that inspection is included in the bag of reception is identical with content ID corresponding to the broadcasted content that is provided with reservation record, and only record comprises and multi-medium data corresponding to the bag of the reception of the identical content ID of the content ID of the broadcasted content that is provided with reservation record.
According to a further aspect in the invention, provide a kind of in the multi-media broadcasting system that comprises broadcasting server and digital broadcast receiving terminal the method by digital broadcast receiving terminal reservation record broadcasted content.In described method, broadcasting server broadcast packet, described bag comprise and are used for each broadcasting channel and the corresponding broadcasted content ID of broadcasted content current broadcast; When selecting to be used for the broadcasted content of reservation record, the broadcasting channel of the broadcasted content of digital broadcast receiving terminal by being used to broadcast selection, the time point of preset content search time begins bag and receives before the broadcasting time started of the broadcasted content of selecting; And the digital broadcast receiving terminal analysis is included in the content ID in the bag of reception, and only record comprises and multi-medium data corresponding to the bag of the reception of the identical content ID of the content ID of the broadcasted content that is provided with reservation record.
Description of drawings
By the detailed description of carrying out below in conjunction with accompanying drawing, above-mentioned and other characteristics of the present invention and advantage will become more apparent, wherein:
Fig. 1 is the block diagram of DVB-H system that is used to provide broadcast service according to prior art;
Fig. 2 is the block diagram that is used to provide about the system of the broadcast content information of the broadcasted content of current broadcast according to of the present invention;
Fig. 3 is the block diagram of inspection according to the present invention about the broadcast receiving apparatus of the information of the broadcasted content of current broadcast;
Fig. 4 illustrates according to content information packet format of the present invention;
Fig. 5 is that broadcasting server according to the present invention provides the flow chart about the processing of the broadcast content information of the broadcasted content of current broadcast;
Fig. 6 receives about the information of the broadcasted content of current broadcast and checks the flow chart of the processing of broadcast content information according to the broadcast receiving apparatus of the first embodiment of the present invention; And
Fig. 7 A and Fig. 7 B be according to a second embodiment of the present invention the broadcast receiving apparatus inspection about the information of the broadcasted content of current broadcast and recording setting the flow chart of processing of broadcasted content of reservation record.
In whole accompanying drawing, identical drawing reference numeral will be understood that to indicate identical parts, feature and structure.
Embodiment
The content that defines in specification that for example detailed structure and parts are provided is to help complete understanding exemplary embodiment of the present invention.Therefore, those of ordinary skill in the art will recognize, under situation about not departing from the scope of the present invention with spirit, can carry out various changes and modification to embodiment described here.In addition, for clarity and conciseness, with the description of omitting to known function and structure.
The invention provides a kind of scheme: broadcasting server will offer broadcast receiving apparatus about the information of the broadcasted content of current broadcast.For this reason, the invention provides two kinds of schemes that are used to send broadcast content information.First kind of scheme gone back internet usage agreement (IP) bag except the multimedia bag provide broadcasted content ID, and second kind of scheme uses the real-time transport protocol (rtp) bag that broadcasted content ID is provided between multimedia bag transmission period.In the present invention, digital video broadcasting-hand-held (DVB-H) system will be used as the example of broadcast system.Yet the present invention also can be applicable to other system, for example, comprises DMB (DVB) system, Open Mobile Alliance broadcasting (OMA-BCAST) system etc.
Describe with reference to Fig. 2 and to use first scheme that system about the broadcast content information of the broadcasted content of current broadcast is provided
With reference to Fig. 2, the broadcasting server 200 that is used for broadcasting multimedia data can comprise: content providing unit 202 and radio unit 207.Content providing unit 202 is managed by the content provider, and produces the various broadcasted contents of broadcasting server 200 broadcasting.Radio unit 207 is managed by communication common carrier, and the broadcasted content that content providing unit 202 produces is packed and multiplexing, and broadcasted content is broadcast as radio frequency (RF) signal.The content provider is the operator who is responsible for producing various broadcasted contents, and communication common carrier is to be responsible for renting frequency provides operator from the broadcasted content service to the user by the specific communications line.
The data that provide from content providing unit 202 can comprise the program data (that is audio/video (AV) data) and the electronic service guidebooks (ESG) of broadcasting channel.AV data indications is used for reproducing with the form of audio signal and vision signal at receiving terminal the multi-medium data of the broadcasted content that provides from content providing unit 202.
In case provide multi-medium data from content providing unit 202, communication common carrier is just packed to the input multi-medium data according to broadcasting method and is multiplexing, and comes broadcasting multimedia data by radio unit 207.Therefore, radio unit 207 comprises and is used for broadcast data is packed and multiplexing IP wrapper 204 and multiplexer 205.Specifically, radio unit 207 according to the present invention comprises: content information packet generation device 206, be used for the content information bag that comprises the content ID that is used for each broadcasted content is provided between the transmission period of the multi-medium data that provides with the time-division form, and the content information bag that produces is outputed to IP wrapper 204.Then, IP wrapper 204 is carried out the IP encapsulation according to the broadcasting method (that is, the Internet protocol data broadcasting (IPDC)) of DVB-H system to multi-medium data and content information bag, and then multiplexer 205 is carried out multiplexing.
Broadcasting server 200 broadcasting of first scheme used according to the invention comprises and is used for bag each broadcasting channel and the corresponding broadcasted content identifier of broadcasted content current broadcast (ID).The content information bag that will send from broadcasting server 200 separates transmission with the multimedia bag of the broadcasted content that is used to provide each broadcasting channel.Separately the content information bag that sends can have form shown in Figure 4.In Fig. 4, the content information bag comprises: bag id field, data type field, content id field, timestamp attribute field, audio/video (A/V) indicator field and timestamp field.The bag id field has the unique value that the current bag of indication has the form that comprises content ID.Data type field has the value of the data type of instruction content ID.The content id field has unique ID of content, and with identical corresponding to the content ID of broadcasting schedule information.The timestamp attribute field has the value that indicates whether that transmitting time is stabbed.It is the value of audio frequency, video or data that the A/V indicator field has the standard of stabbing instruction time.The timestamp field has by using the timestamp value that the standard identical with the standard that is used for multimedia real-time transport protocol (rtp) bag calculated.
In the content information bag, all bags as shown in Figure 4, the standard of timestamp is according to the medium type that comprises in the A/V indicator field and difference.In the A/V indicator field, indicate one of medium type in the broadcasted content that is included in current broadcast, and can come express time to stab based on described medium.The time interval that broadcasting server 200 sends the content information bag is directly not relevant with A/V sample rate or frame rate.Along with the time interval shortens, be used to discern the resolution increase of content, big but the load of system may become.Consider these, can select proper spacing.For the system that big bag transmission delay does not take place, perhaps do not need detailed content aware broadcast service, can omit timestamp information.In this case, the bag that comprises content ID that proposes in the present invention and with receive the A/V bag that the immediate time of described bag receives and be assumed to be synchronized with each other in time.
Broadcasting server 200 Session Description Protocol (SDP) by ESG between the transmission period of ESG sends the reception information about new session, and described new session is used to broadcast the bag of the content ID that comprises broadcasting channel.In the present invention, be used for the broadcast content information bag mime type (for example, " m=＜media〉＜port/＜number of ports＜transport＜fmt list ") can be added to SDP.For "＜media type〉", the MIME medium type can be newly added and maybe data type can be used."＜port〉" the indication transmit port, "＜number of ports〉" the indication port number.Because port number is 1, therefore can omit "＜number of ports〉", " and＜transport〉" be host-host protocol, and can use User Datagram Protoco (UDP) (UDP)."＜fmt list〉" definition is used for the new mime type of the form of content ID bag.Can use attribute represent to be used for the parameter of described form.
Now describe broadcasting server 200 processing about the broadcast content information of the broadcasted content of current broadcast is provided with reference to Fig. 5.
In step 500, broadcasting server 200 is checked the multimedia content ID of current broadcast.In step 502, broadcasting server 200 then produces content information bag, each broadcasted content content corresponding ID and timestamp that described content information bag comprises and sends by content information packet generation device 206 between the transmission period of the multi-medium data that provides with the time-division form.Then, in step 504, broadcasting server 200 is carried out the IP packing by the content information bag and the multi-medium data of 204 pairs of generations of IP wrapper.In step 506, broadcasting server 200 is undertaken multiplexing by 205 pairs of bags through the IP packing of multiplexer.
With referring again to Fig. 2 the broadcast receiving apparatus 220 that the content information that provides is provided is described.
When the multi-medium data of broadcasting server 200 broadcasting multiplex on broadcast communication network 210, broadcast receiving apparatus 220 is by radio receiver 221 receiving multimedia datas.Be included in the demodulation multiplexer 222 in the radio receiver 221 and the data of 223 pairs of receptions of IP decapsulator and carry out demultiplexing and decapsulation, thereby rebuild original multi-medium data.Multi-medium data is outputed to the multimedia processor 224 of broadcast receiving apparatus 220, broadcast accordingly with output and the channel that the user selects.The content ID inspection unit 226 of multimedia processor 224 is checked the content ID that is included in from the content information bag of IP decapsulator 223 outputs.When the bag transmitting time that proposes in by the present invention is stabbed, timestamp that sends and the timestamp that sends by A/V RTP bag are compared, with the A/V data determining to receive corresponding to what content.When the inspection of content information in case of necessity, by the content ID content corresponding information in the bag of checking and be included in reception with reference to previously stored ESG.In order to check the content information of current broadcast, the broadcasting schedule that broadcast receiving apparatus 220 inspection can be formed based on the ESG information that is stored in the ESG data storage cell 225, and check and be included in content ID content corresponding information in the broadcasting schedule of inspection.
Now describe and be used for from broadcasting server 200 received content information and check broadcast receiving apparatus 220 about the information of the broadcasted content of current broadcast with reference to Fig. 3.
If for the broadcasted content that is provided is provided with reservation record, then operate by controller 300 control reservation records at particular point in time for the user.The broadcasting channel of the broadcasted content of controller 300 by being used to broadcast selection, the time point of preset content search time begins bag by radio receiver 221 and receives before the broadcasting time started of the broadcasted content of selecting.Controller 300 checks also whether the content ID in the bag that is included in reception is identical with content ID corresponding to the broadcasted content that is provided with reservation record.
For example, if the user for will be on first channel from afternoon 9:00 to afternoon drama A that 10:00 provides reservation record is set, and the content search time is set to 10 minutes, then controller 300 is checked and drama A content corresponding ID, and checks the content ID that is included in from the bag of 8:50 reception in afternoon.If during checking confirm content ID, at the bag of controller 300 control opening entries receptions with identical corresponding to the content ID of drama A.
The content ID that is comprising in the bag that receives during writing down is not with corresponding to the content ID of the drama A that is provided with reservation record not simultaneously, and controller 300 is controlled at preset recording and suspends charged timeout in the maximum duration, and checks the content ID in the bag that is included in reception.
Comprise with the time controller 300 control continuation records when in preset recording is suspended maximum duration, receiving corresponding to the bag of the identical content ID of the content ID of the drama A that is provided with reservation record.Yet if do not receive the bag that comprises with corresponding to the identical content ID of the content ID of the drama A that is provided with reservation record in preset recording is suspended maximum duration, controller 300 controls stop record.
In record halted state or before the recording start time point, controller 300 is checked content ID in the bag that is included in reception by with the default scouting interval power supply being applied to radio receiver 221.
Describe controller 300 with reference to Fig. 7 A and Fig. 7 B after a while and check that content ID in the bag that is included in reception is to check whether the bag that receives belongs to the detailed control operation of the broadcasted content that is provided with reservation record according to the present invention.
Radio receiver 221 comprises: demodulation multiplexer 222, and the broadcast packet that is used for comprising multi-medium data demultiplexes into multimedia bag and content information bag; With IP decapsulator 223, the bag of demultiplexing is carried out decapsulation.RF transceiver 303 is carried out data processing, to carry out radio communication with the base station.Key input unit 304 comprises various keys (comprising numerical key), and will offer controller 300 from the key input signal of user's input.Display unit 305 is display message under the control of controller 300.Display unit 305 can comprise LCD (LCD), thin-film transistor (TFT) and organic electroluminescent (EL).
Multimedia processor 224 is checked the reception information of the broadcasting channel of selecting from ESG data storage cell 225 about the user, and the multi-medium data of the broadcast packet that sends by the broadcasting channel of selecting according to the reception information output of checking.Specifically, multimedia processor 224 according to the present invention comprises content ID inspection unit 226, is used for checking the content ID that is included in from the bag of IP decapsulator 223 outputs.If the broadcast packet that receives comprises multimedia RTP bag and content information bag, then the content id field scope of examination information from be included in the content packets of information.When the inspection of content information in case of necessity, check and be included in the content ID content corresponding information in the bag of reception with reference to the broadcasting schedule that can use the ESG that before had been stored in the ESG data storage cell 225 to form.
The broadcasted content that memory cell is selected with record for 306 memory contents search times, the described content search time indication bag of how long going on the air before or after the time started of the broadcasted content that is provided with reservation record receives.The time started of the broadcasted content of selection is provided in broadcasting schedule.Memory cell 306 is also stored content ID that comprises and the record time-out maximum duration that is not used for charged timeout corresponding to the content ID of the broadcasted content that is provided with reservation record simultaneously in the bag that receives during writing down.Memory cell 306 is gone back memory search at interval, in the described scouting interval, in the record halted state or before the recording start time point, checks the content ID in the bag that is included in reception.
Voice band signal processor 307 is connected with loud speaker SPK with microphone MIC, the voice band conversion of signals that will receive by microphone MIC be data and according to calling out to connect described data be outputed to controller 300, and the voice-band data of slave controller 300 outputs will be converted to sub-audible sound.
Now the processing be used to check about at the content information of the broadcasted content of broadcast receiving apparatus 220 current receptions is described with reference to Fig. 6.
The controller 300 of broadcast receiving apparatus 220 receives the ESG that sends from broadcasting server 200, and the ESG that storage receives in ESG data storage cell 225.
In step 600, controller 300 check about by ESG by the user or according to the broadcast service information of the broadcasting channel of reservation record function selecting.In step 602, controller 300 uses the broadcast service information of checking to receive with the broadcasting channel of selecting subsequently and wraps accordingly.At this moment, broadcast receiving apparatus 220 is checked the reception information of the broadcasting channel content corresponding information be used to receive and select by Session Description Protocol (SDP), then uses the reception information of checking to come the received content packets of information.Broadcast receiving apparatus 220 is also checked the reception information of the corresponding multi-medium data of broadcasting channel that is used to receive and selects, and then uses the reception information of checking to come the receiving multimedia data bag.
Then, in step 604, controller 300 is from the broadcasted content content corresponding ID of content information bag inspection with current broadcast.In step 606, controller 300 uses the ESG of storage to check broadcasting channel content corresponding ID with current selection, and checks whether Insp'd content ID is identical with content ID in the content information bag that is included in reception.If both are identical, then controller 300 proceeds to step 608, so that the broadcasting channel content corresponding information with current selection to be provided.
If the content ID that detects is different with the content ID in the content information bag that is included in reception, then controller 300 proceeds to step 610, with use ESG check with the content information bag that is included in reception in content ID content corresponding information, and then provide the content information of inspection.
In step 612, when request broadcasting stops, controller 300 shut-down operations, otherwise controller 300 proceeds to step 600.
Now the alternative plan that broadcasted content ID is provided by the multimedia bag will be described.Then send the multimedia bag, and content ID must be added to the RTP payload to send broadcasted content ID by the RTP bag with the RTP bag.Broadcast receiving apparatus 220 must be able to be discerned the RTP PT Payload Type that is used for the previous content ID that agrees, and analyze the content ID that is included in the RTP payload, whether comprise multi-medium data to check, and check which content multi-medium data is included in.
As mentioned above, in the present invention, broadcast receiving apparatus 220 can use content ID in the broadcast packet that is included in reception to determine that the multi-medium data that receives is corresponding with which content.
Now with reference to Fig. 7 A and Fig. 7 B to check according to the broadcast receiving apparatus 220 of second example of the present invention about the information of the broadcasted content of current broadcast and recording setting the processing of broadcasted content of reservation record be described.For reservation record, the user must preset and be used for reservation record, content search time, record time-out maximum duration and the content information of scouting interval.
With reference to Fig. 7 A, in step 700, the airtime table look-up user of controller 300 from be stored in ESG data storage cell 225 is provided with the broadcasting time started of the broadcasted content of reservation record.Then, controller 300 before broadcasting time started of checking the time point of preset content search time be set to bag and receive the time started point.For example, when the broadcasted content plan of selecting in the afternoon 9:00 begin, and content search time when being predetermined to be 10 minutes, it is 8:50 in afternoon that bag receives the time started point.
In step 702, controller 300 checks whether current point in time and the bag that is provided with in step 700 receive the time started point identical.Here, the current point in time meaning is a system time.For example, in step 702, whether the 300 check system times of controller are 8:50 in afternoon.
Put identically when current point in time of checking in step 702 and bag receive the time started, then controller 300 proceeds to step 704.Otherwise controller 300 proceeds to step 702, receives the time started point to wait for up to bag.
When controller 300 when step 702 proceeds to step 704, controller 300 is received in the bag of broadcasting on the broadcasting channel that is provided with reservation record by radio receiver 221, and analyzes the content ID in the bag that is included in reception.In step 706, whether controller 300 is checked identical with the content ID of broadcasted content content corresponding ID that is provided with reservation record and analysis.In other words, controller 300 determines to be included in whether the multi-medium data in the bag of reception is the multi-medium data that is provided with reservation record.
When the content ID of step 706 and broadcasted content content corresponding ID that selects and analysis is identical, controller 300 proceeds to step 708 with opening entry.Otherwise controller 300 proceeds to step 704 so that the content ID that analyzes in the bag that is included in reception comes scope of examination ID whether identical.Record is meant the operation of the multi-medium data of storage reception bag in memory cell 306 as used herein.Can so that check and the broadcasted content content corresponding ID that is provided with reservation record and whether identical, be used to wrap the power of reception by predetermined space execution in step 706 thereby reduce at the content ID of step 704 analysis.
When controller 300 during at step 708 executive logging, in step 712, whether controller 300 can be analyzed the content ID in the bag that is included in reception, and then check identical with the content ID of broadcasted content content corresponding ID that is provided with reservation record and analysis in step 714.In other words, controller 300 determines continuously during writing down to be included in whether the multi-medium data in the bag of reception is the multi-medium data that is provided with reservation record.
When the content ID of step 714 and broadcasted content content corresponding ID that selects and analysis is identical, controller 300 proceeds to step 708 to continue record.Otherwise controller 300 proceeds to step 716, be included in content ID in the bag of reception with inspection and whether be with broadcasting schedule in another broadcasted content content corresponding ID.
When the content ID in the bag that is included in reception in step 716 was present in the broadcasting schedule, controller 300 stopped record.In other words, if the content ID identical with content ID in the bag that is included in reception is present in the broadcasting schedule, then controller 300 determines whether the broadcasting that users are provided with the broadcasted content of reservation record is terminated.In this case, be included in the broadcasted content content corresponding ID that content ID in the bag of reception can be and plan broadcasting after the broadcasted content of current record.
When the content ID in the bag that is included in reception in step 716 was not present in the broadcasting schedule, controller 300 proceeded to (A).Now (A) processing is afterwards described with reference to Fig. 7 B.
With reference to Fig. 7 B, because the content ID that is included in the bag of reception is not present in the broadcasting schedule, so controller 300 proceeds to step 718, in step 718, controller 300 charged timeouts.In other words, owing to the content in the bag that is included in current reception is not present in the broadcasting schedule, and may be the interim broadcasting (such as urgent broadcast or advertising broadcast) that does not have scheduled broadcasts, so controller 300 charged timeouts.When the interim broadcasting (such as urgent broadcast or advertising broadcast) of scheduled broadcasts occurring not having during the broadcasted content of selecting at record, controller 300 is at the broadcasted content intermediate suspension record of selecting, and then from the end that suspends part by again subsequently the broadcasted content selected of record carry out trailer record.In this way, can only write down and the corresponding multi-medium data of broadcasted content that is provided with reservation record by the user.
After this, in the record halted state, whether controller 300 is analyzed content ID in the bag be included in reception in step 720, and check identical with the content ID of broadcasted content content corresponding ID that is provided with reservation record and analysis in step 722.In other words, in the record halted state, whether the multi-medium data that controller 300 is determined to be included in the bag of reception is the multi-medium data that is provided with reservation record.Can carry out the analysis of the content ID in the bag that is included in reception by predetermined space.In other words, in the present invention, can carry out such step by the predetermined space execution rather than to each data: determine under the situation of the multi-medium data that does not have physical record to receive whether the multi-medium data that receives experiences reservation record, to reduce the power consumption of terminal.
When the content ID of step 722 and broadcasted content content corresponding ID that is provided with reservation record and analysis is identical, controller 300 proceeds to step 724, with from the end that suspends part by again subsequently recording setting the broadcasted content of reservation record carry out trailer record, and then proceed to (C), to proceed to the step 712 of Fig. 7 A.
Yet when at step 722 and the content ID that is provided with the broadcasted content content corresponding ID of reservation record and analysis not simultaneously, controller 300 proceeds to step 726, and whether the content ID that is included in inspection in the bag of reception is present in the broadcasting schedule.
If the content ID that is included in the bag of reception is present in the broadcasting schedule, then controller 300 proceeds to (B) to stop record.If the content ID that is included in the bag of reception is not present in the broadcasting schedule, then controller 300 proceeds to step 728, suspends maximum duration to check the off-the-air time and the record that whether surpass the broadcasted content that is provided with reservation record.
Suspend maximum duration if surpassed the off-the-air time and the record of the broadcasted content that is provided with reservation record, then controller 300 proceeds to (B).If the off-the-air time and the record that do not have to surpass the broadcasted content that is provided with reservation record suspend maximum duration, then controller 300 proceeds to step 720.In other words, surpassed the off-the-air time according to broadcasting schedule, controller 300 begins to wait for up to having surpassed record time-out maximum duration from this time point.If no longer receive and be provided with the corresponding multi-medium data of broadcasted content of reservation record, then controller 300 stops record not receiving under any data conditions, to reduce the power consumption of terminal.
Although do not illustrate among Fig. 7 B, controller 300 stops record in some cases.For example, during record, surpass dominant record during the time, when user's forced termination writes down, when the state owing to terminal must be terminated record, perhaps when the accepting state owing to difference made the special time Data Receiving not smooth, controller 300 can stop record.In addition, in the terminal of background, carry out reservation record by expectation.
Can obviously find out from top description,, can in broadcast receiving apparatus, provide accurate information about the broadcasted content of current broadcast according to the present invention.In addition, can send information with small data quantity, and broadcast receiving apparatus can be with little amount of calculation identification broadcasted content about the broadcasted content of current broadcast.
In addition, according to the present invention, the user can use the technology that is used to discern broadcasted content only to carry out reservation record for the broadcasted content of expectation, thereby owing to do not write down the content of not expecting, has increased user's convenience, has reduced the power consumption of terminal and has saved memory.
Although reference exemplary embodiment of the present invention shows and has described the present invention, it should be appreciated by those skilled in the art, under the situation that does not break away from the spirit and scope of the present invention, can carry out various changes to its form and details.
Claims (35)
1. multi-media broadcasting system, system comprises:
Broadcasting server is used for broadcast packet, and described bag comprises and is used for each broadcasting channel and the corresponding broadcasted content ID of broadcasted content current broadcast; And
Broadcast receiving apparatus when selecting broadcasting channel, receives bag by broadcasting channel, and uses the content ID content corresponding information in previously stored broadcasting schedule information check and the bag that is included in reception, to check the broadcasted content that receives.
2. multi-media broadcasting system as claimed in claim 1, wherein, broadcasting server sends broadcasted content ID by the bag different with the multimedia bag of the broadcasted content that is used to provide each broadcasting channel, and the broadcasted content of each broadcasting channel of described broadcasted content ID and current broadcast is corresponding.
3. multi-media broadcasting system as claimed in claim 1, wherein, broadcasting server is by the electronic service guidebooks broadcasting reception information about the new session that is used to send bag, and described reception information comprises and broadcasting channel content corresponding ID.
4. multi-media broadcasting system as claimed in claim 3, wherein, the Session Description Protocol file by electronic service guidebooks sends the reception information about the new session that is used for broadcast packet that comprises with broadcasting channel content corresponding ID.
5. multi-media broadcasting system as claimed in claim 4, wherein, digital broadcast receiving terminal receives and the store electrons service guide, be used to receive and the reception information of the broadcasting channel content corresponding information selected by the SDP file inspection, use the reception information of checking to receive bag, and check the content ID in the bag that is included in reception.
6. multi-media broadcasting system as claimed in claim 5, wherein, digital broadcast receiving terminal uses the electronic service guidebooks inspection and the broadcasting channel content corresponding ID of storage, check whether Insp'd content ID is identical with content ID in the bag that is included in reception, and provide and broadcasting channel content corresponding information.
7. multi-media broadcasting system as claimed in claim 5, wherein, digital broadcast receiving terminal uses the electronic service guidebooks inspection and the current broadcast channel content corresponding ID of storage, check whether Insp'd content ID is identical with content ID in the bag that is included in reception, if the content ID that checks is different with the content ID in the bag that is included in reception, then use electronic service guidebooks inspection and the content ID content corresponding information that is included in the bag of reception, and submit the content information of checking to.
8. multi-media broadcasting system as claimed in claim 1, wherein, broadcasting server is by the broadcasted content corresponding broadcasted content ID of multimedia bag transmission with each broadcasting channel.
9. multi-media broadcasting system as claimed in claim 8, wherein, digital broadcast receiving terminal uses previously stored electronic service guidebooks inspection and broadcasting channel content corresponding ID, check whether Insp'd content ID is identical with content ID in the bag that is included in reception, when the content ID that checks is identical with content ID in the bag that is included in reception, provide broadcasting channel content corresponding information with current selection.
10. multi-media broadcasting system as claimed in claim 8, wherein, digital broadcast receiving terminal uses previously stored electronic service guidebooks inspection and broadcasting channel content corresponding ID, check whether Insp'd content ID is identical with content ID in the bag that is included in reception, content ID in the content ID that checks and the bag that is included in reception is not simultaneously, use the content ID content corresponding information in electronic service guidebooks inspection and the bag that is included in reception, and the content information of inspection is provided.
11. the method that broadcasted content is provided in the multi-media broadcasting system that comprises broadcasting server and digital broadcast receiving terminal, described method comprises:
The first step, broadcasting server broadcast packet, described bag comprise and are used for each broadcasting channel and the corresponding broadcasted content ID of broadcasted content current broadcast;
In second step, when selecting broadcasting channel, digital broadcast receiving terminal receives bag by broadcasting channel; And
In the 3rd step, digital broadcast receiving terminal uses previously stored broadcasting schedule information check and the content ID content corresponding information that is included in the bag of reception, to check the broadcasted content that receives.
12. method as claimed in claim 11, wherein, the first step comprises: broadcasting server sends broadcasted content ID by the bag different with the multimedia bag of the broadcasted content that is used to provide each broadcasting channel, and the broadcasted content of each broadcasting channel of described broadcasted content ID and current broadcast is corresponding.
13. method as claimed in claim 11 also comprises: before the first step, broadcasting server sends reception information about the new session that is used for broadcast packet by electronic service guidebooks, and described reception information comprises and broadcasting channel content corresponding ID.
14. method as claimed in claim 13, wherein, the Session Description Protocol file by electronic service guidebooks sends the reception information about the new session that is used for broadcast packet that comprises with broadcasting channel content corresponding ID.
15. method as claimed in claim 14 also comprises:
Digital broadcast receiving terminal receives and the store electrons service guide; And
Be used to receive and the reception information of the broadcasting channel content corresponding information selected by the Session Description Protocol file checking, use the reception information of checking to receive bag, and check the content ID in the bag that is included in reception.
16. method as claimed in claim 15, wherein, the 3rd step comprised:
Digital broadcast receiving terminal uses the electronic service guidebooks inspection of storage and the broadcasting channel content corresponding ID of current selection;
Check whether Insp'd content ID is identical with content ID in the bag that is included in reception; And
Provide and broadcasting channel content corresponding information.
17. method as claimed in claim 16 also comprises:
If the content ID that checks is different with content ID in the bag that is included in reception, then uses the electronic service guidebooks inspection and be included in content ID content corresponding information in the bag of reception, and the content information of inspection is provided.
18. method as claimed in claim 11, wherein, the first step comprises: broadcasting server is by the broadcasted content corresponding broadcasted content ID of multimedia bag transmission with each broadcasting channel current broadcast.
19. method as claimed in claim 18, wherein, the 3rd step comprised:
Digital broadcast receiving terminal uses previously stored electronic service guidebooks inspection and broadcasting channel content corresponding ID;
Check whether Insp'd content ID is identical with content ID in the bag that is included in reception; And
When the content ID that checks is identical with content ID in the bag that is included in reception, provide broadcasting channel content corresponding information with current selection.
20. method as claimed in claim 19, also comprise: if the content ID that checks is different with content ID in the bag that is included in reception, use the content ID content corresponding information in electronic service guidebooks inspection and the bag that is included in reception, and the content information of inspection is provided.
21. a multi-media broadcasting system comprises:
Broadcasting server, broadcasting is used for each broadcasting channel and the corresponding broadcasted content ID of broadcasted content current broadcast; And
Digital broadcast receiving terminal, when selecting to be used for the broadcasted content of reservation record, the broadcasting channel of the broadcasted content by being used to broadcast selection, the time point of preset content search time begins bag and receives before the broadcasting time started of the broadcasted content of selecting, whether the content ID that inspection is included in the bag of reception is identical with content ID corresponding to the broadcasted content that is provided with reservation record, and only record comprises and multi-medium data corresponding to the bag of the reception of the identical content ID of the content ID of the broadcasted content that is provided with reservation record.
22. multi-media broadcasting system as claimed in claim 21, wherein, broadcast receiving apparatus comprises:
Memory cell, be used for time is that unit stored broadcast timetable, content search time and record suspend maximum duration, information about the broadcasted content that provides for each broadcasting channel is provided described broadcasting schedule, and the time point that the described content search time is used for before the broadcasting time started of the broadcasted content of selecting preset content search time begins to receive by the bag of broadcasting channel;
Radio receiver is used to receive the bag that sends by the broadcasting channel of selecting;
Content ID inspection unit is used for checking the content ID of the bag that is included in reception; And
Controller, when selecting to be used for the broadcasted content of reservation record, the time point that is controlled at preset content before broadcasting time started of broadcasted content of selection search time begins to receive by the bag of radio receiver, and when the content ID in the bag that is included in reception with corresponding to the content ID of the broadcasted content that is provided with reservation record when identical, opening entry.
23. multi-media broadcasting system as claimed in claim 22, wherein, content ID in the bag that is included in reception is not with corresponding to the content ID of the broadcasted content that is provided with reservation record not simultaneously, and controller continues to check whether the content ID that is included in the bag that receives by radio receiver is identical with content ID corresponding to the broadcasted content that is provided with reservation record.
24. multi-media broadcasting system as claimed in claim 22, wherein, controller checks during writing down whether the content ID in the bag that is included in reception is identical with content ID corresponding to the broadcasted content that is provided with reservation record, when content ID is mutually the same, continue record, and when content ID differs from one another, check whether the content ID in the bag that is included in reception is present in the broadcasting schedule, when content ID is present in the broadcasting schedule, stop record.
25. multi-media broadcasting system as claimed in claim 24, wherein, when content ID is not present in the broadcasting schedule, the controller charged timeout, and in the record halted state, whether the content ID that inspection is included in the bag of reception identical with content ID corresponding to the broadcasted content that is provided with reservation record, and when content ID is mutually the same, from the end that suspends part by again subsequently record carry out trailer record.
26. multi-media broadcasting system as claimed in claim 25, wherein, in the record halted state, whether the content ID that the controller inspection is included in the bag of reception is identical with content ID corresponding to the broadcasted content that is provided with reservation record, and when content ID differs from one another, whether the content ID that inspection is included in the bag of reception is present in the broadcasting schedule, when content ID is present in the broadcasting schedule in the bag that is included in reception, stops record.
27. multi-media broadcasting system as claimed in claim 26, wherein, in the record halted state, whether the content ID that the controller inspection is included in the bag of reception is present in the broadcasting schedule, and when content ID is not present in the broadcasting schedule, the off-the-air time that surpasses the broadcasted content of selecting, and surpass when writing down the time-out maximum duration, record stopped.
28. one kind in the multi-media broadcasting system that comprises broadcasting server and digital broadcast receiving terminal by the method for digital broadcast receiving terminal reservation record broadcasted content, described method comprises:
Broadcasting server broadcast packet, described bag comprise and are used for each broadcasting channel and the corresponding broadcasted content ID of broadcasted content current broadcast;
When selecting to be used for the broadcasted content of reservation record, the broadcasting channel of the broadcasted content of digital broadcast receiving terminal by being used to broadcast selection, the time point of preset content search time begins bag and receives before the broadcasting time started of the broadcasted content of selecting; And
The digital broadcast receiving terminal analysis is included in the content ID in the bag of reception, and only record comprises and multi-medium data corresponding to the bag of the reception of the identical content ID of the content ID of the broadcasted content that is provided with reservation record.
29. method as claimed in claim 28, also comprise: digital broadcast receiving terminal is that unit stored broadcast timetable, content search time and record suspend maximum duration with time, information about the broadcasted content that provides for each broadcasting channel is provided described broadcasting schedule, and the time point that the described content search time is used for before the broadcasting time started of the broadcasted content of selecting preset content search time begins to receive by the bag of broadcasting channel.
30. method as claimed in claim 29, wherein, recording step comprises:
Analysis is included in the content ID in the bag of reception;
Whether the content ID that inspection is included in the bag of reception is identical with content ID corresponding to the broadcasted content that is provided with reservation record; And
When the content ID in the bag that is included in reception with corresponding to the content ID of the broadcasted content that is provided with reservation record when identical, opening entry.
31. method as claimed in claim 30, also comprise: the content ID in the bag that is included in reception is not with corresponding to the content ID of the broadcasted content that is provided with reservation record not simultaneously, continues to check that content ID in the bag that when is included in reception is with identical corresponding to the content ID of the broadcasted content that is provided with reservation record.
32. method as claimed in claim 31 also comprises:
Check during writing down whether the content ID in the bag be included in reception is identical with content ID corresponding to the broadcasted content that is provided with reservation record;
Content ID in the bag that is included in reception is not with corresponding to the content ID of the broadcasted content that is provided with reservation record not simultaneously, continue content ID in the bag that when record be included in reception with identical, and whether the content ID that inspection is included in the bag of reception is present in the broadcasting schedule corresponding to the content ID of the broadcasted content that is provided with reservation record; And
When content ID is present in the broadcasting schedule, stop record.
33. method as claimed in claim 32 also comprises:
When the content ID in the bag that is included in reception is not present in the broadcasting schedule, charged timeout;
In the record halted state, check whether the content ID in the bag be included in reception is identical with content ID corresponding to the broadcasted content that is provided with reservation record; And
When the content ID in the bag that is included in reception with corresponding to the content ID of the broadcasted content that is provided with reservation record when identical, from the end that suspends part by again subsequently record carry out trailer record.
34. method as claimed in claim 33, also comprise: in the record halted state, whether the content ID that inspection is included in the bag of reception is identical with content ID corresponding to the broadcasted content that is provided with reservation record, if and content ID differs from one another, check then whether the content ID in the bag that is included in reception is present in the broadcasting schedule; And
When the content ID in the bag that is included in reception is present in the broadcasting schedule, stop record.
35. method as claimed in claim 34, also comprise: in the record halted state, whether the content ID that inspection is included in the bag of reception is present in the broadcasting schedule, and the content ID in the bag that is included in reception is not present in the broadcasting schedule, the off-the-air time that surpasses the broadcasted content that is provided with reservation record, and when surpassing record time-out maximum duration, stop record.
Applications Claiming Priority (3)
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| KR20060126560 | 2006-12-12 | ||
| KR1020060126560 | 2006-12-12 | ||
| KR1020070043783 | 2007-05-04 |
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| CN101202600A true CN101202600A (en) | 2008-06-18 |
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| CNA2007101938940A Pending CN101202600A (en) | 2006-12-12 | 2007-12-12 | System for providing broadcasting content information and method for providing broadcasting service in the system |
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| KR (1) | KR101380048B1 (en) |
| CN (1) | CN101202600A (en) |
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| TWI393431B (en) * | 2008-10-16 | 2013-04-11 | Ind Tech Res Inst | Mobile tv system and method for synchronizing the rendering of streaming services thereof |
| US8776144B2 (en) | 2008-10-16 | 2014-07-08 | Industrial Technology Research Institute | Mobile TV system and method for synchronizing the rendering of streaming services thereof |
| CN104067254A (en) * | 2011-08-23 | 2014-09-24 | 艾科星科技公司 | Storing and reading multiplexed content |
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| JP2001203965A (en) * | 2000-01-20 | 2001-07-27 | Interactive Program Guide:Kk | System and method for controlling picture recording and display device |
| JP3980805B2 (en) * | 2000-03-10 | 2007-09-26 | パイオニア株式会社 | Program information recording apparatus and recording method |
| JP2001344204A (en) * | 2000-06-05 | 2001-12-14 | Matsushita Electric Ind Co Ltd | Method for managing accumulation and receiver and broadcast system realizing the method |
| JP2003283970A (en) * | 2002-03-20 | 2003-10-03 | Sony Corp | Information processing apparatus and method therefor, recording medium, and program thereof |
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Also Published As
| Publication number | Publication date |
|---|---|
| KR101380048B1 (en) | 2014-04-02 |
| KR20080054328A (en) | 2008-06-17 |
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