CN103079101A - Method, device and system for sharing digital television programs - Google Patents
Method, device and system for sharing digital television programs Download PDFInfo
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Abstract
The invention discloses a method, a device and a system for sharing digital television programs. The method comprises the following steps of: receiving a radio-frequency signal containing the digital television programs by a set-top box of a digital television, and obtaining an audio-video signal after processing; through one or more built-in network interfaces, outputting the audio-video signal to an audio-video signal adapter which is connected with the network interface, and outputting the audio-video signal to the television which is connected with the audio-video signal adapter for playing; receiving the audio-video signal by the audio-video signal adapter, and outputting the audio-video signal to the connected television for playing; receiving a remote-control signal which is input by a user by the audio-video signal adapter, and outputting the remote-control signal to the set-top box of the digital television; and receiving the remote-control signal which is output by the audio-video signal adapter or the remote-control signal within a receiving range by the set-top box of the digital television, and carrying out the remote-control processing of the digital television programs. By applying the invention, the hardware cost of the digital television can be lowered, and the viewing expenses of users are saved.
Description
Technical field
The present invention relates to digital television techniques, relate in particular to a kind of method, Apparatus and system of shared digital television program.
Background technology
Along with the development of the national integration of three networks, TV market is ripe gradually, and increasing enterprise begins to develop intelligent television (DTV, Definition Television).Intelligent television refers to possess open operating system and chip, have open application platform, can realize two-way human-computer interaction function, can realize new function or value-added service by autonomous set up applications, and can be by the terminal application platform of the satisfied variation such as three net accesses, 3C fusions and individual demand.
At present, along with the raising of people's living standard, increasing family has the intelligent TV set more than, be arranged in the different rooms, so that the user watches digital television program whenever and wherever possible, thus lifting user's business experience.
In the prior art, in order to watch digital television program whenever and wherever possible, need to configure for every intelligent TV set in each room a number of units word TV set-top box, by digital TV set-top box, the user can realize digital television program watched and change platform operation.But owing to needing to install many number of units word TV set-top box, need in each room, network interface be set simultaneously, be used for by network interface the outside digital television server of digital TV set-top box access, thereby so that the cable in each room needs rewiring, cause the Digital Television hardware cost higher; Further, each digital TV set-top box all needs to obtain mandate by paying, and license fee is with high.
Summary of the invention
Embodiments of the invention provide a kind of method of shared digital television program, reduce the Digital Television hardware cost, save user's license fee usefulness.
Embodiments of the invention also provide a kind of device of shared digital television program, reduce the Digital Television hardware cost, save user's license fee usefulness.
Embodiments of the invention also provide a kind of system of shared digital television program, reduce the Digital Television hardware cost, save user's license fee usefulness.
For achieving the above object, the method for a kind of shared digital television program that the embodiment of the invention provides, the method comprises:
Digital TV set-top box receives the radiofrequency signal that comprises digital television program, after processing, obtains audio-video signal;
By built-in one or more network interfaces, audio-video signal is exported to the audio-video signal adapter that links to each other with described network interface, and, export audio-video signal to be connected with self television set and play;
The audio-video signal adapter receives audio-video signal, exports the television set that is connected to and plays;
The audio-video signal adapter receives the remote signal of user's input, exports digital TV set-top box to;
Digital TV set-top box receives the remote signal of audio-video signal adapter output or the remote signal in the range of receiving, carries out the digital television program remote processing.
Wherein, described audio-video signal comprises: vision signal, left channel signals and right-channel signals describedly export audio-video signal to be connected with self television set and comprise:
Export vision signal to built-in video signal interface unit, export television set by described video signal interface unit to by cable or netting twine, so that television set is showed the vision signal that receives;
Export left channel signals to built-in L channel unit, export television set by described L channel unit to by cable or netting twine, so that the left channel signals of television for play Synchronous Receiving;
Export right-channel signals to built-in R channel unit, export television set by described R channel unit to by cable or netting twine, so that the right-channel signals of television for play Synchronous Receiving.
Wherein, described netting twine comprises: three class twisted-pair feeders, four class twisted-pair feeders, Category-5 twisted pair, super Category-5 twisted pair, coaxial cable and optical fiber.
Wherein, described network interface comprises: RJ45 network interface and RS-232 network interface, the corresponding audio-video signal adapter of network interface, the corresponding television set of audio-video signal adapter.
Wherein, described export to play with the television set that is connected comprise:
Export vision signal to built-in video signal interface unit, export television set by described video signal interface unit to by netting twine, so that television set is showed the vision signal that receives;
Export left channel signals to built-in L channel unit, export television set by described L channel unit to by netting twine, so that the left channel signals of television for play Synchronous Receiving;
Export right-channel signals to built-in R channel unit, export television set by described R channel unit to by netting twine, so that the right-channel signals of television for play Synchronous Receiving.
A kind of system of shared digital television program, this system comprises: digital TV set-top box, audio-video signal adapter and television set, wherein,
Digital TV set-top box is used for received RF signal, after processing, obtains audio-video signal, exports the audio-video signal adapter that links to each other with described network interface to by built-in one or more network interfaces; And the audio-video signal that processing obtains exported to the television set that is connected with self; Receive the remote signal of audio-video signal adapter output or the remote signal in the range of receiving, carry out the digital television program remote processing;
The audio-video signal adapter is used for receiving the audio-video signal that comprises vision signal, left channel signals and right-channel signals, exports the television set that is connected to; Receive the remote signal of user's input, export digital TV set-top box to;
Television set is used for the vision signal that receives is showed, and plays left channel signals and the right-channel signals of Synchronous Receiving.
Preferably, described digital TV set-top box comprises: radiofrequency signal receiving element, radiofrequency signal processing unit, network interface unit, remote signal processing unit, power subsystem and ground unit, wherein,
The radiofrequency signal receiving element is used for receiving the radiofrequency signal that the external digital television server pushes, and exports the radiofrequency signal processing unit to;
The radiofrequency signal processing unit is used for received RF signal, processes, and generates the audio-video signal that comprises vision signal, left channel signals and right-channel signals, exports vision signal to the video signal interface unit; Export left channel signals to the L channel unit; Export right-channel signals to the R channel unit; Export audio-video signal to network interface unit;
Network interface unit, the audio-video signal that comprises vision signal, left channel signals and right-channel signals that is used for receiving exports the audio-video signal adapter to by netting twine;
The remote signal processing unit is used for receiving the user by the remote signal of remote controller input or the remote signal of audio-video signal adapter output, carries out the digital television program remote processing;
Power subsystem is used for the access power supply;
Ground unit is used for providing ground protection.
Preferably, described digital TV set-top box further comprises: video signal interface unit, L channel unit and R channel unit, wherein,
The video signal interface unit, the vision signal that is used for receiving exports television set to by cable;
The L channel unit, the left channel signals that is used for receiving exports television set to by cable;
The R channel unit, the right-channel signals that is used for receiving exports television set to by cable.
Preferably, described audio-video signal adapter comprises: network interface unit, vision signal output unit, L channel unit, R channel unit, remote-control-signal reception unit, power subsystem and ground unit, wherein,
Network interface unit, the audio-video signal that is used for receiving is split as vision signal, left channel signals and right-channel signals, exports respectively vision signal output unit, L channel unit and R channel unit to;
The vision signal output unit, the vision signal that is used for receiving exports television set to by cable;
The L channel unit, the left channel signals that is used for receiving exports television set to by cable;
The R channel unit, the right-channel signals that is used for receiving exports television set to by cable;
Remote-control-signal reception unit is used for receiving the user by the remote signal of remote controller input, carries out the digital television program remote processing;
Power subsystem is used for the access power supply;
Ground unit is used for providing ground protection.
A kind of device of shared digital television program, this device comprises: radiofrequency signal receiving element, radiofrequency signal processing unit, network interface unit, remote signal processing unit, power subsystem and ground unit, wherein,
The radiofrequency signal receiving element is used for receiving the radiofrequency signal that the external digital television server pushes, and exports the radiofrequency signal processing unit to;
The radiofrequency signal processing unit is used for received RF signal, processes, and generates the audio-video signal that comprises vision signal, left channel signals and right-channel signals, exports vision signal to the video signal interface unit; Export left channel signals to the L channel unit; Export right-channel signals to the R channel unit; Export audio-video signal to network interface unit;
Network interface unit, the audio-video signal that comprises vision signal, left channel signals and right-channel signals that is used for receiving exports the audio-video signal adapter to by netting twine;
The remote signal processing unit is used for receiving the user by the remote signal of remote controller input or the remote signal of audio-video signal adapter output, carries out the digital television program remote processing;
Power subsystem is used for the access power supply;
Ground unit is used for providing ground protection.
Preferably, described device further comprises: video signal interface unit, L channel unit and R channel unit, wherein,
The video signal interface unit, the vision signal that is used for receiving exports television set to by cable;
The L channel unit, the left channel signals that is used for receiving exports television set to by cable;
The R channel unit, the right-channel signals that is used for receiving exports television set to by cable.
Preferably, described network interface unit is RJ45 network interface or RS-232 network interface.
A kind of device of shared digital television program, this device comprises: network interface unit, vision signal output unit, L channel unit, R channel unit, remote-control-signal reception unit, power subsystem and ground unit, wherein,
Network interface unit, the audio-video signal that is used for receiving is split as vision signal, left channel signals and right-channel signals, exports respectively vision signal output unit, L channel unit and R channel unit to;
The vision signal output unit, the vision signal that is used for receiving exports television set to by cable;
The L channel unit, the left channel signals that is used for receiving exports television set to by cable;
The R channel unit, the right-channel signals that is used for receiving exports television set to by cable;
Remote-control-signal reception unit is used for receiving the user by the remote signal of remote controller input, carries out the digital television program remote processing;
Power subsystem is used for the access power supply;
Ground unit is used for providing ground protection.
Preferably, described network interface unit is RJ45 network interface or RS-232 network interface.
Preferably, the corresponding ground unit of a described vision signal output unit, the corresponding ground unit in L channel unit, the corresponding ground unit in R channel unit.
As seen from the above technical solution, the method for a kind of shared digital television program that the embodiment of the invention provides, Apparatus and system, digital TV set-top box receives the radiofrequency signal that comprises digital television program, after processing, obtains audio-video signal; By built-in one or more network interfaces, audio-video signal is exported to the audio-video signal adapter that links to each other with described network interface, and, export audio-video signal to be connected with self television set and play; The audio-video signal adapter receives audio-video signal, exports the television set that is connected to and plays; The audio-video signal adapter receives the remote signal of user's input, exports digital TV set-top box to; Digital TV set-top box receives the remote signal of audio-video signal adapter output or the remote signal in the range of receiving, carries out the digital television program remote processing.Like this, by in digital TV set-top box and audio-video signal adapter, network interface being set, transmission tone vision signal and be used for the remote signal of control, need not in each room configuration digital TV set-top box, saved user watched expense, the audio-video signal adapter only need have the function of signal converting, effectively reduces the Digital Television hardware cost.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art.Apparently, the accompanying drawing in below describing only is some embodiments of the present invention, for those of ordinary skills, can also obtain according to these accompanying drawing illustrated embodiments other embodiment and accompanying drawing thereof.
Fig. 1 is the system configuration schematic diagram that the invention process is shared digital television program.
Fig. 2 is the structural representation of embodiment of the invention digital TV set-top box.
Fig. 3 is the structural representation of embodiment of the invention audio-video signal adapter.
Fig. 4 is the method flow schematic diagram that the embodiment of the invention is shared digital television program.
Embodiment
Below with reference to accompanying drawing the technical scheme of various embodiments of the present invention is carried out clear, complete description, obviously, described embodiment only is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are resulting all other embodiment under the prerequisite of not making creative work, all belong to the scope that the present invention protects.
The digital television system of existing family, need to one number of units word TV set-top box be installed for each intelligent TV set, by the outside digital television server of the built-in network interface of room wall access, thereby make the user can realize digital television program watched and change the platform operation.But owing to needing to install many number of units word TV set-top box, the cable in each room needs rewiring, causes the Digital Television use cost higher; Further, existing digital television program is charged for digital TV set-top box, and the user need to pay for the digital TV set-top box that each room arranges, and could watch digital television program by this digital TV set-top box, and license fee is with high.
In the embodiment of the invention, consider existing digital television system is improved, thereby a kind of convenience, cheaply system, device and method are provided, and by a digital TV set-top box, section realizes sharing on a plurality of television sets digital television program within the family.
Fig. 1 is the system configuration schematic diagram that the invention process is shared digital television program.Referring to Fig. 1, this system comprises: digital TV set-top box, audio-video signal adapter and television set, wherein,
The quantity of digital TV set-top box is one, and the quantity of audio-video signal adapter and television set is one or more, the corresponding television set of each audio-video signal adapter;
Digital TV set-top box, audio-video signal adapter and television set form the digital television system of one family inner (local area network (LAN)).
Digital TV set-top box is used for received RF signal, after processing, obtains audio-video signal, exports the audio-video signal adapter that links to each other with described network interface to by built-in one or more network interfaces; And the audio-video signal that processing obtains exported to the television set that is connected with self; Receive the remote signal of audio-video signal adapter output or the remote signal in the range of receiving, carry out the digital television program remote processing;
In the embodiment of the invention, radiofrequency signal is digital television signal, radiofrequency signal is processed, for example, carry out demodulation, the decoding belong to prior art, specifically can referring to the correlation technique document, not repeat them here.Digital television signal obtains audio-video signal after treatment.Wherein,
Audio-video signal comprises: vision signal, left channel signals and right-channel signals.
Preferably, network interface is RJ45 network interface or RS-232 network interface, and namely the digital TV set-top box of the embodiment of the invention possesses RJ45 network interface or RS-232 network interface.In the practical application, as long as satisfy interface that the available signal line is no less than 6 (videos, L channel, R channel, remote signal, power supply) all applicable to the present invention.
Because the RJ45 network interface has standard, general and can utilize very the local area network wiring of popularizing, and makes things convenient for the characteristics of remote transmission signal, thereby, in the embodiment of the invention, adopt the RJ45 network interface.
In the embodiment of the invention, the quantity of network interface is determined according to the quantity of the audio-video signal adapter that connects, the corresponding audio-video signal adapter of network interface, the corresponding television set of audio-video signal adapter.
The network interface of digital TV set-top box is connected with the audio-video signal adapter by netting twine.Wherein, preferably, netting twine adopts Category-5 twisted pair, certainly, in the practical application, also can adopt three class twisted-pair feeders, four class twisted-pair feeders, super Category-5 twisted pair, coaxial cable and optical fiber etc.
Fig. 2 is the structural representation of embodiment of the invention digital TV set-top box.Referring to Fig. 2, this digital TV set-top box comprises: radiofrequency signal receiving element, radiofrequency signal processing unit, network interface unit, video signal interface unit, L channel unit, R channel unit, remote signal processing unit, power subsystem and ground unit, wherein
The radiofrequency signal receiving element is used for receiving the radiofrequency signal that the external digital television server pushes, and exports the radiofrequency signal processing unit to;
The radiofrequency signal processing unit is used for received RF signal, processes, and generates the audio-video signal that comprises vision signal, left channel signals and right-channel signals, exports vision signal to the video signal interface unit; Export left channel signals to the L channel unit; Export right-channel signals to the R channel unit; Export audio-video signal to network interface unit;
Network interface unit, the audio-video signal that comprises vision signal, left channel signals and right-channel signals that is used for receiving exports the audio-video signal adapter to by netting twine;
In the embodiment of the invention, by network interface unit is set, the audio-video signal that the radiofrequency signal processing unit processes can be obtained carries out multiplexing, and export the audio-video signal adapter to by the mode of netting twine, export the television set that is attached thereto to by the audio-video signal adapter again, thereby realize sharing of digital television program.Because network interface unit links to each other by netting twine with the audio-video signal adapter, need not in each room configuration digital TV set-top box, thereby need not to reset the network interface that in the wall digital TV set-top box is accessed the external digital television server; Further, the function that the audio-video signal adapter only need have signal converting gets final product, and with respect to baroque digital TV set-top box, the hardware cost of Digital Television is lower; And, because a plurality of television sets are shared same digital TV set-top box, thereby, only need to pay for a number of units word TV set-top box, need not to pay respectively for each number of units word TV set-top box, effectively saved user's license fee and used.
The video signal interface unit, the vision signal that is used for receiving exports television set to by cable;
The L channel unit, the left channel signals that is used for receiving exports television set to by cable;
The R channel unit, the right-channel signals that is used for receiving exports television set to by cable;
In the embodiment of the invention, cable adopts netting twine.The mode that video signal interface unit, L channel unit and R channel unit are connected with television set and the transmission means of data flow specifically can referring to the correlation technique document, not repeat them here.
The remote signal processing unit is used for receiving the user by the remote signal of remote controller input or the remote signal of audio-video signal adapter output, carries out the digital television program remote processing;
In the embodiment of the invention, from existing digital TV set-top box can only receive remote signal in the certain limit different be, the remote signal processing unit can also receive the remote signal of audio-video signal adapter output, and the remote signal of audio-video signal adapter output is in other rooms, the user is by the remote signal of remote controller to the emission of audio-video signal adapter, thereby expanded the coverage of remote signal, solved the technical problem of digital television program being carried out Long-distance Control.
Power subsystem is used for the access power supply;
Ground unit is used for providing ground protection.
In the embodiment of the invention, the quantity of earth terminal is determined according to the video signal interface unit that comprises in the digital TV set-top box, L channel unit and R channel element number in the ground unit.Wherein, the corresponding ground unit in video signal interface unit, i.e. corresponding earth terminal of video signal interface, the corresponding ground unit in L channel unit, the corresponding ground unit in R channel unit.
If institute it should be noted that in the embodiment of the invention in the digital TV set-top box, do not have the with it direct television set that links to each other, and does not then comprise video signal interface unit, L channel unit and R channel unit.
The audio-video signal adapter is used for receiving the audio-video signal that comprises vision signal, left channel signals and right-channel signals, exports the television set that is connected to; Receive the remote signal of user's input, export digital TV set-top box to;
In the embodiment of the invention, the audio-video signal adapter possesses the RJ45 network interface, by the information (audio-video signal) of RJ45 network interface receiving digital television set-top box output, and export the remote signal that receives in the digital TV set-top box remote signal processing unit.
Preferably, remote signal adopts infrared remote-controlled signal.
In the embodiment of the invention, the audio-video signal adapter is sequentially connected to RJ45 network terminal (network interface) with audio-video signal, infrared remote-controlled signal with what set in advance.Wherein, as long as the order that sets in advance can be so that signal sending end be consistent with reception end line order; And, the ground wire of rationally arranging, the shielding external interference gets final product.
Fig. 3 is the structural representation of embodiment of the invention audio-video signal adapter.Referring to Fig. 3, this audio-video signal adapter comprises: network interface unit, vision signal output unit, L channel unit, R channel unit, remote-control-signal reception unit, power subsystem and ground unit, wherein,
Network interface unit, the audio-video signal that is used for receiving is split as vision signal, left channel signals and right-channel signals, exports respectively vision signal output unit, L channel unit and R channel unit to;
The vision signal output unit, the vision signal that is used for receiving exports television set to by cable;
The L channel unit, the left channel signals that is used for receiving exports television set to by cable;
The R channel unit, the right-channel signals that is used for receiving exports television set to by cable;
In the embodiment of the invention, cable adopts netting twine.
Remote-control-signal reception unit is used for receiving the user by the remote signal of remote controller input, carries out the digital television program remote processing;
Power subsystem is used for the access power supply;
Ground unit is used for providing ground protection.
Television set is used for the vision signal that receives is showed, and plays left channel signals and the right-channel signals of Synchronous Receiving.
In the embodiment of the invention, the audio-video signal adapter is to the television set output audio-video signal that links to each other with self.The user is when using a teleswitch operations such as changing platform, adjusting volume, the infrared remote-controlled signal that remote controller sends, if exceed the range of receiving of digital TV set-top box, after then the remote-control-signal reception unit in the audio-video signal adapter (remote control reception head) receives and is converted to the signal of telecommunication, pass to digital TV set-top box by netting twine, thereby can reach the purpose of each television set in the remote synchronization operation family.
Certainly, in the practical application, if do not consider the transmission of remote signal, on the basis of existing digital TV set-top box, also can carry out multiplexing to the audio-video signal that obtains, be multiplexed with respectively a plurality of vision signals, left channel signals and right-channel signals, and then export respectively each television set to, also can realize sharing of digital television program.
By as seen above-mentioned, the digital television system of the embodiment of the invention, utilize a number of units word TV set-top box and relevant audio-video signal adapter, by RJ45 terminal (network interface) is set in digital TV set-top box and audio-video signal adapter, transmission tone vision signal and be used for the remote signal of control, like this, can utilize ripe network layout, easily audio-video signal is transferred to larger distance, thereby cover all rooms of one family, the audio-video signal adaptor structure is simple, and cost is very cheap; Further, in the embodiment of the invention, the corresponding audio-video signal adapter of each television set, the corresponding RJ45 terminal of each audio-video signal adapter, a plurality of RJ45 terminals are built in the digital TV set-top box, like this, and by a plurality of RJ45 terminals are set, just the audio frequency and video digital television program can be shared to more television set, thereby the license fee that effectively reduces the user is used.
Fig. 4 is the method flow schematic diagram that the embodiment of the invention is shared digital television program.Referring to Fig. 4, this flow process comprises:
Step 401, the digital TV set-top box received RF signal after processing, obtains audio-video signal;
In this step, audio-video signal comprises: vision signal, left channel signals and right-channel signals.
Step 402 by built-in one or more network interfaces, exports audio-video signal to the audio-video signal adapter that links to each other with described network interface, and, export audio-video signal to be connected with self television set and play;
In this step, export audio-video signal to be connected with self television set and comprise:
Export vision signal to built-in video signal interface unit, export television set by described video signal interface unit to by cable or netting twine, so that television set is showed the vision signal that receives;
Export left channel signals to built-in L channel unit, export television set by described L channel unit to by cable or netting twine, so that the left channel signals of television for play Synchronous Receiving;
Export right-channel signals to built-in R channel unit, export television set by described R channel unit to by cable or netting twine, so that the right-channel signals of television for play Synchronous Receiving.
In this step, the network interface of digital TV set-top box is connected with the audio-video signal adapter by netting twine.
Preferably, netting twine adopts Category-5 twisted pair, certainly, in the practical application, also can adopt three class twisted-pair feeders, four class twisted-pair feeders, super Category-5 twisted pair, coaxial cable and optical fiber etc.
Network interface comprises: RJ45 network interface and RS-232 network interface.Wherein, the quantity of network interface is determined according to the quantity of the audio-video signal adapter that connects, the corresponding audio-video signal adapter of network interface, the corresponding television set of audio-video signal adapter.
Step 403, the audio-video signal adapter receives audio-video signal, exports the television set that is connected to and plays;
In this step, export to play with the television set that is connected and comprise:
Export vision signal to built-in video signal interface unit, export television set by described video signal interface unit to by netting twine, so that television set is showed the vision signal that receives;
Export left channel signals to built-in L channel unit, export television set by described L channel unit to by netting twine, so that the left channel signals of television for play Synchronous Receiving;
Export right-channel signals to built-in R channel unit, export television set by described R channel unit to by netting twine, so that the right-channel signals of television for play Synchronous Receiving.
Step 404, the audio-video signal adapter receives the remote signal of user's input, exports digital TV set-top box to;
In this step, the user (does not configure the room of digital TV set-top box) when watching digital television program in other rooms, if need to change platform, then send remote signal by remote controller to the audio-video signal adapter, after the remote-control-signal reception unit that arranges in the audio-video signal adapter receives remote signal, export digital TV set-top box to by network interface unit.If the user watches digital television program in the room that disposes digital TV set-top box, when changing platform, then send remote signal by remote controller to digital TV set-top box, the remote signal processing unit that arranges in the digital TV set-top box is directly processed the remote signal that receives.
Step 405, digital TV set-top box receive the remote signal of audio-video signal adapter output or the remote signal in the range of receiving, carry out the digital television program remote processing.
In this step, as previously mentioned, no matter digital TV set-top box is the remote signal that receives the output of audio-video signal adapter, still receives the remote signal that the user directly sends to digital TV set-top box by remote controller, carry out the digital television program remote processing, namely change platform and process.The detailed process of processing about changing platform specifically can referring to the correlation technique document, not repeat them here.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also comprises these changes and modification interior.
Claims (10)
1. the method for a shared digital television program, the method comprises:
Digital TV set-top box receives the radiofrequency signal that comprises digital television program, after processing, obtains audio-video signal;
By built-in one or more network interfaces, audio-video signal is exported to the audio-video signal adapter that links to each other with described network interface, and, export audio-video signal to be connected with self television set and play;
The audio-video signal adapter receives audio-video signal, exports the television set that is connected to and plays;
The audio-video signal adapter receives the remote signal of user's input, exports digital TV set-top box to;
Digital TV set-top box receives the remote signal of audio-video signal adapter output or the remote signal in the range of receiving, carries out the digital television program remote processing.
2. method according to claim 1, wherein, described audio-video signal comprises: vision signal, left channel signals and right-channel signals describedly export audio-video signal to be connected with self television set and comprise:
Export vision signal to built-in video signal interface unit, export television set by described video signal interface unit to by cable or netting twine, so that television set is showed the vision signal that receives;
Export left channel signals to built-in L channel unit, export television set by described L channel unit to by cable or netting twine, so that the left channel signals of television for play Synchronous Receiving;
Export right-channel signals to built-in R channel unit, export television set by described R channel unit to by cable or netting twine, so that the right-channel signals of television for play Synchronous Receiving.
3. method according to claim 2, wherein, described netting twine comprises: three class twisted-pair feeders, four class twisted-pair feeders, Category-5 twisted pair, super Category-5 twisted pair, coaxial cable and optical fiber.
4. method according to claim 3, wherein, described network interface comprises: RJ45 network interface and RS-232 network interface, the corresponding audio-video signal adapter of network interface, the corresponding television set of audio-video signal adapter.
5. according to claim 1 to 4 each described methods, wherein, described export to play with the television set that is connected comprise:
Export vision signal to built-in video signal interface unit, export television set by described video signal interface unit to by netting twine, so that television set is showed the vision signal that receives;
Export left channel signals to built-in L channel unit, export television set by described L channel unit to by netting twine, so that the left channel signals of television for play Synchronous Receiving;
Export right-channel signals to built-in R channel unit, export television set by described R channel unit to by netting twine, so that the right-channel signals of television for play Synchronous Receiving.
6. the system of a shared digital television program is characterized in that, this system comprises: digital TV set-top box, audio-video signal adapter and television set, wherein,
Digital TV set-top box is used for received RF signal, after processing, obtains audio-video signal, exports the audio-video signal adapter that links to each other with described network interface to by built-in one or more network interfaces; And the audio-video signal that processing obtains exported to the television set that is connected with self; Receive the remote signal of audio-video signal adapter output or the remote signal in the range of receiving, carry out the digital television program remote processing;
The audio-video signal adapter is used for receiving the audio-video signal that comprises vision signal, left channel signals and right-channel signals, exports the television set that is connected to; Receive the remote signal of user's input, export digital TV set-top box to;
Television set is used for the vision signal that receives is showed, and plays left channel signals and the right-channel signals of Synchronous Receiving.
7. system according to claim 6 is characterized in that, described digital TV set-top box comprises: radiofrequency signal receiving element, radiofrequency signal processing unit, network interface unit, remote signal processing unit, power subsystem and ground unit, wherein,
The radiofrequency signal receiving element is used for receiving the radiofrequency signal that the external digital television server pushes, and exports the radiofrequency signal processing unit to;
The radiofrequency signal processing unit is used for received RF signal, processes, and generates the audio-video signal that comprises vision signal, left channel signals and right-channel signals, exports vision signal to the video signal interface unit; Export left channel signals to the L channel unit; Export right-channel signals to the R channel unit; Export audio-video signal to network interface unit;
Network interface unit, the audio-video signal that comprises vision signal, left channel signals and right-channel signals that is used for receiving exports the audio-video signal adapter to by netting twine;
The remote signal processing unit is used for receiving the user by the remote signal of remote controller input or the remote signal of audio-video signal adapter output, carries out the digital television program remote processing;
Power subsystem is used for the access power supply;
Ground unit is used for providing ground protection.
8. according to claim 6 or 7 described systems, it is characterized in that, described audio-video signal adapter comprises: network interface unit, vision signal output unit, L channel unit, R channel unit, remote-control-signal reception unit, power subsystem and ground unit, wherein
Network interface unit, the audio-video signal that is used for receiving is split as vision signal, left channel signals and right-channel signals, exports respectively vision signal output unit, L channel unit and R channel unit to;
The vision signal output unit, the vision signal that is used for receiving exports television set to by cable;
The L channel unit, the left channel signals that is used for receiving exports television set to by cable;
The R channel unit, the right-channel signals that is used for receiving exports television set to by cable;
Remote-control-signal reception unit is used for receiving the user by the remote signal of remote controller input, carries out the digital television program remote processing;
Power subsystem is used for the access power supply;
Ground unit is used for providing ground protection.
9. the device of a shared digital television program is characterized in that, this device comprises: radiofrequency signal receiving element, radiofrequency signal processing unit, network interface unit, remote signal processing unit, power subsystem and ground unit, wherein,
The radiofrequency signal receiving element is used for receiving the radiofrequency signal that the external digital television server pushes, and exports the radiofrequency signal processing unit to;
The radiofrequency signal processing unit is used for received RF signal, processes, and generates the audio-video signal that comprises vision signal, left channel signals and right-channel signals, exports vision signal to the video signal interface unit; Export left channel signals to the L channel unit; Export right-channel signals to the R channel unit; Export audio-video signal to network interface unit;
Network interface unit, the audio-video signal that comprises vision signal, left channel signals and right-channel signals that is used for receiving exports the audio-video signal adapter to by netting twine;
The remote signal processing unit is used for receiving the user by the remote signal of remote controller input or the remote signal of audio-video signal adapter output, carries out the digital television program remote processing;
Power subsystem is used for the access power supply;
Ground unit is used for providing ground protection.
10. the device of a shared digital television program is characterized in that, this device comprises: network interface unit, vision signal output unit, L channel unit, R channel unit, remote-control-signal reception unit, power subsystem and ground unit, wherein,
Network interface unit, the audio-video signal that is used for receiving is split as vision signal, left channel signals and right-channel signals, exports respectively vision signal output unit, L channel unit and R channel unit to;
The vision signal output unit, the vision signal that is used for receiving exports television set to by cable;
The L channel unit, the left channel signals that is used for receiving exports television set to by cable;
The R channel unit, the right-channel signals that is used for receiving exports television set to by cable;
Remote-control-signal reception unit is used for receiving the user by the remote signal of remote controller input, carries out the digital television program remote processing;
Power subsystem is used for the access power supply;
Ground unit is used for providing ground protection.
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| CN2013100100946A CN103079101A (en) | 2013-01-11 | 2013-01-11 | Method, device and system for sharing digital television programs |
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