CN101072307A - Digital multimedia broadcasting signal receiving terminal and signal receiving method - Google Patents
Digital multimedia broadcasting signal receiving terminal and signal receiving method Download PDFInfo
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- CN101072307A CN101072307A CNA2006100263604A CN200610026360A CN101072307A CN 101072307 A CN101072307 A CN 101072307A CN A2006100263604 A CNA2006100263604 A CN A2006100263604A CN 200610026360 A CN200610026360 A CN 200610026360A CN 101072307 A CN101072307 A CN 101072307A
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Abstract
The receiving terminal is composed of following parts: electrical program guide (EPG) channel; audio/video channels for receiving signal of broadcast data; broadcast part provides proper broadcast data through audio/video channels when user makes choice of channel to be watched among opened audio/video channels; management part of guide channel is in use for opening EPG channel based on user's request to receive information of EPG, but the management part turns off EPG channel after the broadcast part starts to receive signal of broadcast data and before user requests providing next guide information of program; the part of providing guide information is in use for providing the received information through EPG channel to users. In the invention, the EPG channel is opened only when user hope to obtain information of EPG. Thus, the invention reduces load borne by the receiving terminal, and prevents consumption of electric quantity caused by maintaining no necessity-opened channel.
Description
Technical field
The present invention relates to digital multimedia broadcasting signal receiving terminal and signal acceptance method that the broadcast program guide passage is effectively managed.
Background technology
So-called DMB (Digital Multimedia Broadcasting; DMB) broadcast at the tip that is meant mobile datas such as comprising broadcast receiver (audio frequency) broadcasting, television broadcasting, is generally all using " DMB " this recapitulative term after 2003 years " digital audio broadcasting " and the merging of " digital video broadcasting " realization technology.
Use surface wave, satellite ripple and wireless wave band comprehensively and pass through the digital data form transmitting signal because be, the scope of application of DMB just relates to fields such as mobile broadcast, portable broadcasting and personal broadcaster, so it has also just had the advantage that the scope of application is wide, the content development scope is wide.
Constitute according to the technical standard of being taked and network, DMB roughly can be divided into two kinds of surface wave DMB and satellite dmbs.That wherein surface wave DMB adopts is OFEM (Orthogonal Frequency Division Multiplex; Orthodoxy Frequency Division Multiplex) mode, that satellite dmb adopts then is CDM (Code Division Multiplex; Code division multiplexing) mode, their principle are all identical with mobile communication technology.
Because the formation of wave band and system is different, the digital multimedia broadcasting signal receiving terminal of now developing has the platform of variform.Following elder generation does the characteristics of the digital multimedia broadcasting signal receiving terminal of each wave band and simply introduces.
(ultrashort wave: digital multimedia broadcasting signal receiving terminal very high frequency(VHF)) can be further divided into 3 frequency ranges to 6MHz to use surface wave, use multiplex mode, the bandwidth of each all is 1.2Mbps, because what adopt is video compression technology, so each passage can carry several videos, audio frequency and data channel.H.264 the technology that use this moment has (be video specification, its bandwidth is 384Kbps, can realize that the signal that is equivalent to the analog image band receives image quality) and MPEG-4BSAC (video specification) etc.
In addition, the digital multimedia broadcast (dmb) via satellite reception signal terminal of use extremely high frequency (UHF) is employed to be the wave band of 2.630～2.655GHz, is bringing into play the effect of moonlet rebroadcasting machine.That is to say, if with satellite band (the Ku wave band, 12～13GHz) transmit all kinds of content of multimedia from the broadcasting center on ground, satellite will by S-band (2.630～2.655GHz), use ground based terminal that it is played back.Can use the wireless repeater of a kind of interruption replensiher by name (Gap Filler) to relay in the place that satellite-signal can't arrive.
An EPG (Electronic Program Guide) passage service is arranged in these DMB services.So-called EPG just is meant the relevant information of various types of programs channel that is transmitted with programme information provider (PP:Program Provider).For example, may have EPG (following will be called " the broadcast program guide ") information of program outline, performer, character etc.
Fig. 1 is the flow chart of existing digital multimedia broadcasting signal method of reseptance.
S10 as shown in Figure 1, begins to start at existing digital multimedia broadcasting signal receiving terminal.
S12, the broadcast program guide passage is opened.
S14, broadcast program guide message pick-up S14.
S16, above-mentioned digital multimedia broadcasting signal receiving terminal can be to user's broadcast program guide information.
S18 makes the user can select oneself to want the channel of watching or listening to.
S20, this digital multimedia broadcasting signal terminal can be opened audio/video (A/V Audio/video) channel with the broadcast program guide channel parallel.
S22 receives audio/visual information, that is to say, if the user broadcasts by above-mentioned broadcast program guide Information Selection, will begin the receiving digital multimedia broadcastinging data so.
S24, at this moment, this digital multimedia broadcasting signal receiving terminal can receive and upgrade broadcast program guide information with the state continuance of opening the broadcast program guide passage.
S26 at this moment, judges whether the user wishes to obtain broadcast program guide information.
If the user wishes to open broadcast program guide information to watch or to listen to other broadcasting when watching or listen to DMB, flow process is got back to S16, above-mentioned digital multimedia broadcasting signal receiving terminal will continue to provide the broadcast program guide that had upgraded information to the user, pass through S18, S20, S22 carry out above process repeatedly and come to receive other DMB data by the audio/video passage.
In this course, broadcast program guide passage that is opened and audio/video passage can be in open state always, until the user stops to watch or listening to.
S28, judge whether the user requires to finish program this moment.
S30, when the user cuts off the power supply of digital multimedia broadcasting signal receiving terminal or stops to listen when seeing or listening to, above-mentioned broadcast program guide passage and audio/video passage will and close.
S32, the reception of final end number multimedia broadcast signal.
Provide this process of broadcast program guide information we can say and be equivalent to a digital multimedia signal receiving terminal with kinds of platform, in keeping the process of signal receiving function, above-mentioned broadcast program guide passage and audio/video passage are in open state all the time.
Therefore, in order to keep passage, digital multimedia broadcasting signal receiving terminal will continue to accept load and consumes power.
But when DMB is provided, in the process of selected channel of wanting to watch or listening to of user and receiving digital multimedia broadcastinging service, be to there is no need to receive again the signal that transmits by the broadcast program guide information channel generally speaking.
That is to say, require no longer in addition to check under the broadcast program guide information state, there is no need in the process of playing DMB, to continue to keep the broadcast program guide passage and information is upgraded the user.
Therefore just need improve digital multimedia broadcasting signal receiving terminal, so as only when the user claims, to open the broadcast program guide passage, listening to or watching in the process of broadcasting and close the broadcast program guide passage, reach the purpose of effective use passage.
Summary of the invention
Purpose of the present invention aims to provide a kind of digital multimedia broadcasting signal receiving terminal and signal acceptance method, the user is watched or the process of broadcast listening in close and can in all multichannels of digital multimedia, select the broadcast program guide passage that uses, only wish to obtain broadcast program guide information with repeated open guide passage when listening to other broadcasting, thereby reach the purpose that reduces digital multimedia broadcasting signal receiving terminal load, the electric weight of avoiding waste the user.
To achieve these goals, DMB information receiving terminal of the present invention comprises: broadcast program guide (EPG) passage of being responsible for receiving broadcast program guide information; Be responsible for receiving the audio/video passage of broadcasting data signal; Open above-mentioned audio/video passage when the user selectes viewing channel, receives and provides the broadcasting portion of suitable broadcast data by above-mentioned audio/video passage; Receiving broadcast program guide information, and close the guide channel management portion of EPG passage before after broadcasting portion begins to receive the broadcast figure signal, providing the next program guide information according to the open EPG passage of customer requirements to customer requirements always; And provide portion the guide information that the information that receives by above-mentioned broadcast program guide passage offers the user.
In addition, for achieving the above object, digital multimedia broadcasting signal method of reseptance of the present invention comprises: when digital multimedia broadcasting signal receiving terminal begins to start or customer requirements is opened the broadcast program guide passage when broadcast program guide information is provided and received the step of broadcast program guide information by above-mentioned passage; The broadcast program guide information of receiving is offered the user, if the step that the user has selected broadcast program just above-mentioned broadcast program guide passage to be closed; And the step of before the user requires to open the broadcast program guide passage once more, always keeping the pathway closure state.
Effect of the present invention:
As mentioned above, digital multimedia broadcasting signal receiving terminal of the present invention and signal acceptance method, open broadcast program guide passage when the user wishes to obtain broadcast program guide information only reduces load that digital multimedia broadcasting signal receiving terminal carried, prevents the effect of consumes power in order to keep unnecessary passage thereby reach.
For further specifying above-mentioned purpose of the present invention, design feature and effect, the present invention is described in detail below with reference to accompanying drawing.
Description of drawings
Fig. 1 is the flow chart of existing digital multimedia broadcasting signal method of reseptance.
The digital multimedia broadcasting signal receiving terminal in-built block diagram of Fig. 2 for adopting the present invention to make.
Fig. 3 is the flow chart of digital multimedia broadcasting signal method of reseptance of the present invention.
The symbol description of major part in the accompanying drawing:
100: digital multimedia broadcasting signal receiving terminal
110: user interface 120: the broadcast program guide passage
130: audio/video passage 140: guide channel management portion
150: guide information provides portion 160: broadcasting portion
Embodiment
Embodiment to digital multimedia broadcasting signal receiving terminal of the present invention and signal acceptance method is elaborated below with reference to accompanying drawings.
Fig. 2 is the rough digital multimedia broadcasting signal receiving terminal 100 in-built block diagrams that adopt the present invention to make of showing.
As shown in Figure 2, digital multimedia broadcasting signal receiving terminal 100 of the present invention comprises broadcast program guide passage 120, and audio/video passage 130, guide information provide parts such as portion 150, broadcasting portion 160, user interface 110 and guide channel management portion 140.
At first, above-mentioned user interface 110 provides portion 150, broadcasting portion 160 and guide channel management portion 140 to be connected with above-mentioned guide information, when customer requirements provided broadcast program guide information or selects broadcast program, it will accept to select data and corresponding data is sent to guide information to provide in portion 150, broadcast portion 160 and the guide channel management portion 140.
Above-mentioned broadcast program guide passage 120 is for guide information such as the playing sequence that each time period of broadcast program is provided to the user, outline, performer, channel information so that their select to want to watch or the broadcast program listened to and the passage that independently sets up separately.
In case receive the customer requirements that transmits from user interface 110, above-mentioned guide channel management portion 140 will open broadcast program guide passage 120, receives broadcast program guide information from the broadcasting center.
When beginning to start, digital multimedia broadcasting signal receiving terminal 100 of the present invention (that is to say, when having opened power supply or in multiple function, having selected the broadcast singal receiving function) time, above-mentioned guide channel management portion 140 will open above-mentioned broadcast program guide passage 120, program receiving guide information.
When the user by above-mentioned user interface 110 selective reception broadcast singals, when broadcast portion 160 begins to receive broadcast data, when just realizing the broadcasting audiovisual, above-mentioned guide channel management portion 140 will close guide passage 120.
When customer requirements provides broadcast program guide information to watch or to listen to other when broadcasting by user interface 110, the guide channel management portion 140 that close broadcast program guide passage 120 originally, is in holding state will open above-mentioned broadcast program guide passage 120.When above-mentioned broadcast program guide passage 120 was opened, receives broadcast program guide information, above-mentioned guide information provided portion 150 to offer the user to the broadcast program guide information of receiving by above-mentioned user interface 110.
Above-mentioned audio/video passage 130 is to set up passage in order to accept to contain the Voice ﹠ Video data of broadcasted content.
Above-mentioned broadcasting portion 160 is responsible for opening above-mentioned audio/video passage 130 with broadcast program guide by 120, as user during by the selected broadcast singal of above-mentioned user interface selective reception, it will receive corresponding broadcast data by above-mentioned audio/video passage 130.
Above-mentioned broadcast portion 160 can play the broadcast data that it is received, above-mentioned user can be watched or the uppick respective program.
Next with reference to Fig. 3 digital multimedia broadcasting signal method of reseptance of the present invention is described.
Fig. 3 is for showing the flow chart of digital multimedia broadcasting signal method of reseptance of the present invention.
S40 as shown in Figure 3, judges whether to restart broadcasting signal receiving terminal.
S42 judges whether to require to provide performance guide information.
S44, if among the S40, digital multimedia broadcasting signal receiving terminal 100 of the present invention begin to start or S42 in listen to originally or the customer requirements of watching certain program provides broadcast program guide information when changing to other broadcasting channel, above-mentioned guide channel management portion 140 will open broadcast program guide passage 120.
S46 receives broadcast program guide information by above-mentioned passage.
S48, next, above-mentioned guide information provides portion 150 to provide received broadcast program guide information to the user.
S50, S52, when the user has selected to want to watch according to guide or during the broadcast program listened to, above-mentioned broadcast portion 160 will open audio/video passage 130.
S54, above-mentioned broadcast portion 160 receiving digital multimedia broadcastinging data, and be responsible for broadcast data is regenerated and it is offered the user.
In addition, in S52, when the user begins to watch or during the broadcast listening program, above-mentioned broadcast program guide passage 120 will be closed in above-mentioned guide channel management portion 140, and close above-mentioned broadcast program guide passage 120 always and enter holding state, provide next broadcast program guide information up to customer requirements.
S56 judges whether the user wishes to obtain broadcast program guide information.
If the user requires to obtain broadcast program guide information once more to watch or to listen to other broadcasting, flow process is got back to S42, S44, S46, and above-mentioned guide channel management portion 140 will open above-mentioned broadcast program guide by 120 and receive broadcast program guide information from the broadcasting center.
Next, in S48, S50, S52, selected other broadcasting in view of the above if above-mentioned guide information provides portion 150 to provide broadcast program guide information, user, above-mentioned guide channel management portion 140 will close above-mentioned broadcast program guide passage 120 once more.
Therefore, when user's converted channel is watched or is listened to other broadcasting, the corresponding function that above-mentioned guide channel management portion 140, guide information provide portion 150 and broadcast portion 160 will carry out S44 to S56 repeatedly, above-mentioned broadcast program guide passage 120 then only can be selected to want to watch or just can open during the broadcast channel listened to the user.
Introduced in the explanation in front, above-mentioned audio/video passage 130 is just opened after receiving above-mentioned broadcast program guide information, but the time of specifically opening also may change.
That is to say that above-mentioned audio/video passage 130 also might be consistent with the time of opening of broadcast program guide passage 120 among the S44.
S58 in above-mentioned S56, if the user no longer requires to obtain broadcast program guide information to watch or to listen to other broadcasting, judges whether the user requires to finish program.If the user does not require to finish program, flow process is got back to S54.
S60 if customer requirements finishes program, closes broadcast program guide passage and audio/video passage.
S62 stops receiving digital multimedia broadcast.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claims of the present invention variation, the modification of the above embodiment.
Claims (5)
1, a kind of digital multimedia broadcasting signal receiving terminal is characterized in that comprising:
Be responsible for receiving the broadcast program guide passage of broadcast program guide information;
Be responsible for receiving the audio/video passage of broadcasting data signal;
Open above-mentioned audio/video passage when the user selectes viewing channel, receives and provides the broadcasting portion of suitable broadcast data by above-mentioned audio/video passage;
Receiving broadcast program guide information, and close the guide channel management portion of broadcast program guide passage before after broadcasting portion begins to receive the broadcast figure signal, providing the next program guide information according to the open broadcast program guide passage of customer requirements to customer requirements always; And
The guide information that the information that receives by above-mentioned broadcast program guide passage is offered the user provides portion.
2, digital multimedia broadcasting signal receiving terminal as claimed in claim 1 is characterized in that:
Above-mentioned guide channel management portion opens above-mentioned broadcast program guide passage when above-mentioned digital multimedia broadcasting signal receiving terminal starts, and receives broadcast program guide information, the information that receives is provided to the user.
3, a kind of digital multimedia broadcasting signal method of reseptance is characterized in that comprising:
When digital multimedia broadcasting signal receiving terminal begins to start or customer requirements when broadcast program guide information is provided, open broadcast program guide passage and the step by above-mentioned broadcast program guide passage reception broadcast program guide information;
The broadcast program guide information of receiving is offered the user, if the step that the user has selected broadcast program just above-mentioned broadcast program guide passage to be closed; And
Before requiring to open the broadcast program guide passage once more, the user keeps the step of pathway closure state always.
4, digital multimedia broadcasting signal method of reseptance as claimed in claim 3 is characterized in that:
The step of closing above-mentioned broadcast program guide passage not only is included in the step of opening audio frequency/video channel when above-mentioned broadcast program guide passage is closed, also possesses a step of collecting broadcast data by above-mentioned audio/video passage.
5, digital multimedia broadcasting signal method of reseptance as claimed in claim 3 is characterized in that:
In the step of above-mentioned reception broadcast program guide information, also possess one and open the step of audio/video passage synchronously with the broadcast program guide passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100263604A CN101072307A (en) | 2006-05-09 | 2006-05-09 | Digital multimedia broadcasting signal receiving terminal and signal receiving method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100263604A CN101072307A (en) | 2006-05-09 | 2006-05-09 | Digital multimedia broadcasting signal receiving terminal and signal receiving method |
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| Publication Number | Publication Date |
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| CN101072307A true CN101072307A (en) | 2007-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2006100263604A Pending CN101072307A (en) | 2006-05-09 | 2006-05-09 | Digital multimedia broadcasting signal receiving terminal and signal receiving method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107005319A (en) * | 2014-12-16 | 2017-08-01 | 大陆汽车有限公司 | Method and radio broadcast receiver for receiving radio signals using radio broadcast receiver |
-
2006
- 2006-05-09 CN CNA2006100263604A patent/CN101072307A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107005319A (en) * | 2014-12-16 | 2017-08-01 | 大陆汽车有限公司 | Method and radio broadcast receiver for receiving radio signals using radio broadcast receiver |
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