CN103051954A - Method and device of data sharing for multiple receiving terminals of digital television - Google Patents
Method and device of data sharing for multiple receiving terminals of digital television Download PDFInfo
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- CN103051954A CN103051954A CN2012105393826A CN201210539382A CN103051954A CN 103051954 A CN103051954 A CN 103051954A CN 2012105393826 A CN2012105393826 A CN 2012105393826A CN 201210539382 A CN201210539382 A CN 201210539382A CN 103051954 A CN103051954 A CN 103051954A
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Abstract
The invention discloses a device of data sharing for multiple receiving terminals of a digital television. The device comprises a main terminal and a sub-terminal, wherein the main terminal is used for receiving and processing audio/video signals of the digital television, the sub-terminal is used for acquiring information of programs to be broadcast and decoding and playing the audio/video signals, and the sub-terminal and the main terminal are mutually connected in a wireless network communication manner. With adoption of the device disclosed by the invention, a user owning multiple receiving display terminals needs to pay one set of TV subscription fee only, so that the device is very economic and practical.
Description
Technical field
The invention belongs to digital TV field, be specifically related to the method and apparatus of a kind of many receiving terminals of Digital Television data sharing.
Background technology
Nowadays, TV has stepped into digital times, and along with the raising of people income, general one family all can have a plurality of display terminals, such as television set, computer, hand-held panel computer etc.But the access for digital television signal, existing way basically or the corresponding set-top box of television set, a sheet smart card corresponding overlap license fee, although and set-top box can be play the data of storage in other memory device such as USB flash disk, the mobile phone etc., other display terminal can't be shared the signal of Digital Television.For the existing this mode of digital TV field, hardware cost is high, the license fee height, is unfavorable for the development growth.
Summary of the invention
Consider the problems referred to above of prior art, according to an aspect of the present invention, disclose a kind of many receiving terminals of Digital Television data sharing method, it is characterized in that, described many receiving terminals are divided into main system and subsystem, and the concrete steps of data sharing are as follows between described main system and the subsystem:
Subsystem obtains the information of the broadcast program of wanting, and the information of the broadcast program of wanting that obtains is processed as the control signal of control main system work and sends to main system;
The control signal that main system is sent subsystem receives and monitors, and obtains the information of wanting broadcast program in the control signal after the reception;
Main system locks the frequency of the broadcast program of wanting and obtains data flow according to the information of the broadcast program of wanting that receives in as the signal source in audiovisual frequency in digital TV signal source, and judges whether this data flow has scrambling, wherein
When data flow has scrambling, first data flow is carried out descrambling, and then data flow is sent to the broadcast of decoding of the corresponding subsystem that sends control signal, and
When data flow not during scrambling, directly data flow is sent to the broadcast of decoding of the corresponding subsystem that sends control signal;
Wherein, main system only has one, and subsystem has one or more.
As preferably, the mode of the transmission of data/signal is between its subsystem and the main system:
Data/signal assemble that needs are sent is the IP packet format;
Data/the signal of sending and receiving IP packet format;
Be the TS bag with the data/signal resolution of the IP packet format that receives.
As preferably, the mode by wireless communication between subsystem and the main system is connected to each other, the client of configuring wireless network communication on the service end of configuring wireless network communication, the subsystem on its main system.
As preferably, carry out wireless communication by WiFi between described subsystem and the main system.
As preferably, main system judges by PSI/SI information in the data flow whether data flow has scrambling.
As preferably, the signal of described signal source comprises satellite-signal, wire signal and wireless signal at least.
Said method can be carried out by a kind of device of many receiving terminals of Digital Television data sharing of realizing, it is characterized in that, comprising:
Receive and process the master terminal of audiovisual frequency in digital TV signal, obtain the information of the broadcast program of wanting and the sub-terminal of decoding playing audio-video signal, sub-terminal and master terminal are connected to each other by the mode of wireless communication, wherein,
Master terminal is made of service end, IP and TS bag parsing and package module, the CPU of the tuning demodulation module that receives audio-video signal, descrambling module, wireless communication at least;
At least by the client of wireless communication, IP and TS bag parsing and package module, audio/video decoding module composition, its sub-terminal has one or more sub-terminal.
As preferably, the CPU of master terminal has the ability that receives and process the multichannel audio-video frequency data flow.
As preferably, carry out wireless communication by WiFi between described sub-terminal and the master terminal; Wherein, master terminal is provided with the service end of WiFi, and sub-terminal is provided with the client of WiFi.
As preferably, described master terminal be for can receiving the digital TV set-top box of descrambling audio-video signal, and described sub-terminal is for the simple and easy digital TV set-top box of the audio-video signal of can decoding or have the computer of audio/video decoding function or have in the panel computer of audio/video decoding function one or more.
Purpose of the present invention aims to provide a kind of payment one cover license fee and gets final product many receiving terminals of Digital Television data sharing method and the device thereof that many display terminals are watched digital television program simultaneously.Compared with prior art, one of beneficial effect of the present invention is: the audio-video signal that will watch program among the present invention by main system/master terminal locking and reception, then audio-video signal is sent to the broadcast of decoding again after subsystem/sub-terminal, can make the user who has many reception display terminals only with payment one cover license fee, very economical and practical.
Description of drawings
Fig. 1 shows the according to an embodiment of the invention structural representation block diagram of many receiving terminals of Digital Television data sharing device;
Fig. 2 shows the according to an embodiment of the invention schematic process flow diagram of many receiving terminals of Digital Television data sharing method.
Embodiment
The present invention is further described below in conjunction with drawings and Examples, but embodiments of the present invention are not limited to this.For complete understanding the present invention, numerous details have been mentioned in the following detailed description.But it should be appreciated by those skilled in the art that the present invention can need not these details and realize.In other example, be not described in detail known method, process, assembly and circuit, in order to avoid unnecessarily make embodiment fuzzy.
The invention provides a kind of many receiving terminals of Digital Television data sharing device.As shown in Figure 1, be the structural representation block diagram of many receiving terminals of Digital Television data sharing device of the present invention, this device comprises:
Receive and process the master terminal 101 of audiovisual frequency in digital TV signal;
Obtain the information of the broadcast program of wanting and the sub-terminal 102 of decoding playing audio-video signal;
In this device, master terminal 101 digital TV set-top box for being made of service end, IP and TS bag parsing and package module, the CPU of the tuning demodulation module that receives audio-video signal, descrambling module, wireless communication at least, sub-terminal 102 is at least by the simple and easy digital TV set-top box 108 of client, IP and the TS bag parsing of wireless communication and package module, audio/video decoding module composition or be computer 107 with audio/video decoding function, panel computer 106 etc.Wherein, master terminal 101 only has one, and sub-terminal 102 can have one or more.
Preferably, carry out wireless communication by WiFi between the sub-terminal 102 of this device and the master terminal 101, wherein, the service end of WiFi is set on the master terminal, the client of WiFi is set on the sub-terminal.
When more than installing work, needing audiovisual frequency in digital TV signal input display device 109(as the simple and easy digital TV set-top box 108 of sub-terminal be television set or display screen etc.) to play, computer 107, panel computer 106 etc. with audio/video decoding function can directly be play; Digital TV set-top box as master terminal can be placed on the optional position, display device can be connected and also display device can be do not connected, connect display device for needs, only be used in and be equipped with the audio/video decoding module that general set-top box just has in the master terminal and get final product.
Among the above embodiment, many receiving terminals of Digital Television data sharing device of this invention, in master terminal to the audio-video signal locking that will watch program, reception, descrambling etc., then send to sub-terminal, in sub-terminal, carry out again audio/video decoding and broadcast, can make a plurality of sub-terminals for broadcast carry out the broadcast of program so that a user only need be equipped with a master terminal, can make the user who has many reception display terminals only with payment one cover license fee, very economical and practical.Simultaneously, reduce the functional modules such as tuning demodulation module, descrambling module in the sub-terminal, so that the structure of sub-terminal is extremely simple, thereby also reduced the cost of sub-terminal (being simple and easy digital TV set-top box).Master terminal and sub-terminal room carry out data transfer by the mode of wireless communication, have reduced wiring.
According to one of many receiving terminals of Digital Television data sharing device of the present invention preferred embodiment more, the CPU of configuration has the ability that receives and process the multichannel audio-video frequency data flow on this device master terminal 101, then in master terminal 101, be provided with and CPU receives and process the corresponding a plurality of descrambling modules of audio and video data streams ability, so as simultaneously to two-way audio and video data streams at least receive, processing, descrambling etc.Among this embodiment, device of the present invention has been equipped with has the CPU that receives and process multichannel audio-video frequency data flow ability, so that use the user of this device can watch respectively the multiple programs (a corresponding programs of sub-terminal) of different content simultaneously on a plurality of sub-terminals.
The invention provides the method for a kind of many receiving terminals of Digital Television data sharing, be applied in many receiving terminals of Digital Television data sharing device, described method comprises:
Subsystem obtains the information of the broadcast program of wanting, and the information of the broadcast program of wanting that obtains is processed as the control signal of control main system work and sends to main system;
The control signal that main system is sent subsystem receives and monitors, and obtains the information of wanting broadcast program in the control signal after the reception;
Main system locks the frequency of the broadcast program of wanting and obtains data flow according to the information of the broadcast program of wanting that receives in as the signal source in audiovisual frequency in digital TV signal source, and judges whether this data flow has scrambling, wherein
When data flow has scrambling, first data flow is carried out descrambling, and then data flow is sent to the broadcast of decoding of the corresponding subsystem that sends control signal, and
When data flow not during scrambling, directly data flow is sent to the broadcast of decoding of the corresponding subsystem that sends control signal;
Wherein, described main system only has one, and described subsystem has one or more.
Concrete, the mode of the transmission of data/signal is between subsystem and the main system:
Data/signal assemble that needs are sent is the IP packet format;
Data/the signal of sending and receiving IP packet format;
Be the TS bag with the data/signal resolution of the IP packet format that receives.
Mode by wireless communication between subsystem and the main system is connected to each other; Wherein, the service end of configuring wireless network communication on the main system, the client of configuring wireless network communication on the subsystem; It carries out wireless communication by WiFi.
Main system judges by PSI/SI information in the data flow whether data flow has scrambling.
The signal of signal source comprises satellite-signal, wire signal and wireless signal at least.
As shown in Figure 2, be the schematic process flow diagram of the inventive method, the method comprises:
The signal that step 212,211 pairs of subsystems 221 of main system send receives and monitors, if monitor the control signal of being sent by step 223, then execution in step 213, otherwise continues in the execution in step 212 reception and monitoring to signal;
Step 215, judge according to PSI/SI information in the data flow of want broadcast program whether this data flow has scrambling, if this data flow has scrambling, then execution in step 216, if the not scrambling of this data flow, then execution in step 217;
The data flow of step 225, the broadcast program of wanting that will obtain is carried out audio/video decoding;
Said method only overlaps license fee with payment one so that the data sharing between the many receiving terminals of Digital Television is achieved so that have the user of many reception display terminals, and is very economical and practical.
Above embodiment is only unrestricted in order to technical scheme of the present invention to be described, only with reference to preferred embodiment the present invention is had been described in detail.Those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention, and do not break away from the spirit and scope of technical solution of the present invention, all should be encompassed in the middle of the claim scope of the present invention.
Claims (10)
1. the method for many receiving terminals of Digital Television data sharing, it is characterized in that: described many receiving terminals are divided into main system and subsystem, the concrete steps of data sharing are as follows between described main system and the subsystem, subsystem obtains the information of the broadcast program of wanting, and the information of the broadcast program of wanting that obtains is processed as the control signal of control main system work and sends to main system;
The control signal that main system is sent subsystem receives and monitors, and obtains the information of wanting broadcast program in the control signal after the reception;
Main system locks the frequency of the broadcast program of wanting and obtains data flow according to the information of the broadcast program of wanting that receives in as the signal source in audiovisual frequency in digital TV signal source, and judges whether this data flow has scrambling, wherein
When data flow has scrambling, first data flow is carried out descrambling, and then data flow is sent to the broadcast of decoding of the corresponding subsystem that sends control signal, and
When data flow not during scrambling, directly data flow is sent to the broadcast of decoding of the corresponding subsystem that sends control signal;
Wherein, described main system only has one, and described subsystem has one or more.
2. the method for many receiving terminals of Digital Television according to claim 1 data sharing is characterized in that, the mode of the transmission of data/signal is between subsystem and the main system:
Data/signal assemble that needs are sent is the IP packet format;
Data/the signal of sending and receiving IP packet format;
Be the TS bag with the data/signal resolution of the IP packet format that receives.
3. the method for many receiving terminals of Digital Television according to claim 1 data sharing is characterized in that:
Mode by wireless communication between subsystem and the main system is connected to each other; Wherein, the service end of configuring wireless network communication on the main system, the client of configuring wireless network communication on the subsystem.
4. the method for many receiving terminals of Digital Television according to claim 3 data sharing is characterized in that:
Carry out wireless communication by WiFi between described subsystem and the main system.
5. the method for many receiving terminals of Digital Television according to claim 1 data sharing is characterized in that:
Main system judges by PSI/SI information in the data flow whether data flow has scrambling.
6. the method for many receiving terminals of Digital Television according to claim 1 data sharing is characterized in that:
The signal of described signal source comprises satellite-signal, wire signal and wireless signal at least.
7. a device of realizing the data sharing of many receiving terminals of Digital Television is characterized in that, comprising:
Receive and process the master terminal of audiovisual frequency in digital TV signal, obtain the information of the broadcast program of wanting and the sub-terminal of decoding playing audio-video signal, sub-terminal and master terminal are connected to each other by the mode of wireless communication, wherein,
Master terminal is made of service end, IP and TS bag parsing and package module, the CPU of the tuning demodulation module that receives audio-video signal, descrambling module, wireless communication at least;
At least by the client of wireless communication, IP and TS bag parsing and package module, audio/video decoding module composition, its sub-terminal has one or more sub-terminal.
8. the device of many receiving terminals of realization Digital Television according to claim 7 data sharing is characterized in that: the CPU of master terminal has the ability that receives and process the multichannel audio-video frequency data flow.
9. the device of many receiving terminals of realization Digital Television according to claim 7 data sharing is characterized in that: carry out wireless communication by WiFi between described sub-terminal and the master terminal; Wherein, master terminal is provided with the service end of WiFi, and sub-terminal is provided with the client of WiFi.
10. the device of arbitrary described many receiving terminals of realization Digital Television data sharing according to claim 7-9, it is characterized in that: described master terminal be for can receiving the digital TV set-top box of descrambling audio-video signal, and described sub-terminal is for the simple and easy digital TV set-top box of the audio-video signal of can decoding or have the computer of audio/video decoding function or have in the panel computer of audio/video decoding function one or more.
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| CN2012105393826A CN103051954A (en) | 2012-12-13 | 2012-12-13 | Method and device of data sharing for multiple receiving terminals of digital television |
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| CN105872846A (en) * | 2015-09-06 | 2016-08-17 | 乐视致新电子科技（天津）有限公司 | Cable program sharing system and method, and related device |
| WO2017185709A1 (en) * | 2016-04-25 | 2017-11-02 | 乐视控股（北京）有限公司 | Television resource sharing method and apparatus, and television terminal |
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| WO2017185709A1 (en) * | 2016-04-25 | 2017-11-02 | 乐视控股（北京）有限公司 | Television resource sharing method and apparatus, and television terminal |
| WO2018201329A1 (en) * | 2017-05-03 | 2018-11-08 | 深圳市智晟达科技有限公司 | Playback method using multiple terminals and digital television |
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Application publication date: 20130417 |