CN102802076A - Video/audio transmitting method and digital television - Google Patents

Video/audio transmitting method and digital television Download PDF

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Publication number
CN102802076A
CN102802076A CN2012102927323A CN201210292732A CN102802076A CN 102802076 A CN102802076 A CN 102802076A CN 2012102927323 A CN2012102927323 A CN 2012102927323A CN 201210292732 A CN201210292732 A CN 201210292732A CN 102802076 A CN102802076 A CN 102802076A
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video
audio signal
audio
dtv
signal
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CN2012102927323A
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郭亮
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Qingdao Hisense Xinxin Technology Co Ltd
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Qingdao Hisense Xinxin Technology Co Ltd
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Priority to CN2012102927323A priority Critical patent/CN102802076A/en
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Abstract

The invention relates to a video/audio transmitting method which is characterized by comprising the steps of: receiving a video/audio signal and demodulating the video/audio signal by a digital television; descrambling the demodulated video/audio signal into a descrambled video/audio signal; decoding the descrambled video/audio signal into a coded video/audio signal; processing the decoded video/audio signal into a video/audio packet; and sending the video/audio packet by the digital television so as to ensure that a user terminal processes the video/audio packet and then displays and plays the video/audio packet.

Description

Look audio transmission method and DTV
Technical field
The present invention relates to a kind of audio transmission method and television set looked, relate in particular to and a kind ofly look audio transmission method and television set based on DTV.
Background technology
Along with the fast development of electronic enterprises, the notion of intelligent electrical apparatus has been deep into the household electrical appliance industry.People are increasingly high to requirement of products, and household electrical appliance such as TV, refrigerator, air-conditioning and soy bean milk making machine, electric cooker have all been proposed the demand to the intelligent direction development.Present DTV has basically all embedded operating system, for carry out the function expansion exploitation based on existing operating system possibility is provided.
The approach that televiews at present mainly contains two: a kind of is traditional TV, watches TV programme through receiving cable TV signal or satellite television, and this is the method that televiews the most widely at present.But because wire signal inserts the placement location that has limited television set; Be inconvenient to move; Thereby can't realize watching TV programme whenever and wherever possible; And a television set can only play TV programme simultaneously, watches different programs just to need extra purchase television set realize that this can increase very big expense if want simultaneously through a TV signal source.Another kind is the common online live telecast of watching of broadband network of passing through; Thisly can in inserting the network terminal of IP network (computer, mobile phone, contain the TV of network function etc.), carry out through method; But this mode can only be watched limited channel available for free, will watch pay television channel also to need expense of supplementary payments earlier.
Summary of the invention
The objective of the invention is defective to prior art; A kind of audio transmission method and digital television looked is provided; Thereby realize the broadcast TV programme that television set and network-termination device can be independent, clear, smooth separately, and can watch TV programme anywhere or anytime through network-termination device.Realized the Long-distance Control of network-termination device in addition to television set.
For realizing above-mentioned purpose, the invention provides a kind of audio transmission method of looking on the one hand, the said audio transmission method of looking comprises:
Video/audio signal after DTV receives video/audio signal and is demodulated into demodulation;
With the video/audio signal descrambling after the said demodulation is the video/audio signal behind the descrambling;
Video/audio signal behind the said descrambling is decoded as the decoding video/audio signal;
Said decoding video/audio signal is treated to the video/audio bag;
Said DTV sends said video/audio bag to user terminal, displays the play after in order to said user terminal said video/audio bag being handled.
On the other hand, the invention provides a kind of above-mentioned digital television of looking the audio transmission method of using, said digital television also comprises:
Demodulating equipment is used to receive video/audio signal and said video/audio signal is demodulated into the video/audio signal after the demodulation;
Descrambler, being used for the video/audio signal descrambling after the said demodulation is the video/audio signal behind the descrambling;
Decoding device is used for the video/audio signal behind the said descrambling is decoded as the decoding video/audio signal;
Processing unit is used for said decoding video/audio signal is treated to the video/audio bag;
Dispensing device is used for sending said video/audio bag through the television set network interface to user terminal, displays the play after in order to said user terminal said video/audio bag being handled.
So the audio transmission method of looking of the embodiment of the invention is to receive video/audio signal through DTV, then video/audio signal is successively carried out demodulation, descrambling and decoding; Again decoded decoding video/audio signal is treated to the video/audio bag; Finally send to user terminal and carry out the TV programme broadcast, thereby realize the portability of television-viewing, through the network-termination device of various portable bands; Can not receive the restriction in space, watch TV programme anywhere or anytime.
Description of drawings
Fig. 1 looks the System Application Architecture sketch map of audio transmission method for the embodiment of the invention;
Fig. 2 looks the flow chart of audio transmission method for the embodiment of the invention;
Fig. 3 carries out the method flow diagram of FEEDBACK CONTROL to DTV for embodiment of the invention user terminal;
Fig. 4 looks the flow chart of audio transmission method for another embodiment of the present invention;
Fig. 5 is the internal structure sketch map of embodiment of the invention DTV machine;
Fig. 6 is the internal application structural representation of embodiment of the invention digital television;
Fig. 7 is the internal signal transmission sketch map of embodiment of the invention digital television;
Fig. 8 is the sketch map of embodiment of the invention digital television and terminal equipment reciprocal process.
Embodiment
Through accompanying drawing and embodiment, technical scheme of the present invention is done further detailed description below.
In order to watch TV programme more easily, the DTV in the embodiment of the invention has comprised Web TV service module and http (HTTP) service module, is used for to network-termination device the network digital TV signal being provided.
Fig. 1 looks the System Application Architecture sketch map of audio transmission method for the embodiment of the invention, and is as shown in the figure, and the System Application Architecture that the embodiment of the invention is looked the audio transmission method specifically comprises DTV 110, the network equipment 120 and terminal equipment 130,140.
Concrete; DTV 110 is through wired or wireless network card access network device 120; Terminal equipment 130 through the network equipment 120 and local area network (LAN) carries out alternately; The terminal equipment 130 of local area network (LAN) specifically comprises also can comprise other equipment such as notebook computer like desktop computer 131, smart mobile phone 132 and panel computer 133.
DTV 110 inserts the Internet 150 through wired or wireless network card; Transmit video/audio through the Internet 150 to the terminal equipment 140 of outer net; The terminal equipment 140 of outer net specifically comprises like desktop computer 141, smart mobile phone 142 and desktop computer 143, also can comprise other equipment such as panel computer, notebook computer.
The network equipment 120 can be a router, also can be hub etc.Local network terminal 130 can form local area network (LAN) through the network equipment 120 visit DTVs 110.Digital cable TV signal or satellite-signal etc. are looked audio digital signals and are sent DTV 110 as the signal source of Web TV to through coaxial cable; DTV 110 is handled from the signal that coaxial cable obtains, and sends to other terminal equipment in the local area network (LAN).Local network terminal 130 is in the same local area network (LAN) with DTV 110, thereby does not receive the restriction of the Internet bandwidth and network speed, can clear and smooth on network-termination device, watch TV programme.
Fig. 2 looks the flow chart of audio transmission method for the embodiment of the invention, and is as shown in the figure, and the audio frequency and video transmission method of present embodiment specifically comprises the steps:
Video/audio signal after step 210, DTV receive video/audio signal and be demodulated into demodulation;
Concrete, the video/audio signal that DTV receives is mainly the digital cable TV signal through the coaxial cable transmission, also can be other digital signals through the coaxial cable transmission, like the satellite digital TV signal.The digital cable TV signal can be the composite video signal that comprises from different channel, and this composite video signal is received the back demodulation and isolated the multi-channel program signal allocation in a plurality of passages by the multichannel tuner as signal source;
Step 220 is the video/audio signal behind the descrambling with said video/audio signal descrambling;
Concrete; The multichannel tuner is selected the programme signal that needs to play and is distributed in the passage that is connected with the DTV descrambler and is transferred to descrambler respectively; The digital television signal that descrambler is selected the multichannel tuner that receives carries out scramble process, to remove interference signal;
Step 230 is decoded as the decoding video/audio signal with the video/audio signal behind the said descrambling;
Concrete, the video and audio signal in the digital television signal behind the descrambling that decoder is received carries out decompression, the code stream that output can be used to play;
Step 240 is treated to the video/audio bag with said decoding video/audio signal;
Concrete, said decoding video/audio signal is treated to the video/audio bag can looks audio frequency Internet protocol IP packet for said decoding video/audio signal is treated to.Because this packet can transmit through the Internet, and transmits in the Internet if desired, then must use the packet of IP form, therefore need said decoding video/audio signal be treated to and look audio frequency IP packet;
Step 250, said DTV sends said video/audio bag to user terminal, displays the play after in order to said user terminal said video/audio bag being handled.Wherein, DTV is sent said video/audio bag to user terminal and can send the said audio frequency IP packet of looking through the Internet or local area network (LAN) to said user terminal for, DTV.As described above; Because packet is transferred to user terminal through IP network; So can also can transmit through wide area network through local area network (LAN), so DTV both can be through local area network (LAN) to having inserted this local area network users terminal, for example the local network terminal desktop computer in Fig. 1 131 sends and looks audio frequency IP packet; Also can be through the Internet to the user terminal that inserts the Internet, for example the outer net terminal equipment smart mobile phone among Fig. 1 142 sends and looks audio frequency IP packet.
The above-mentioned network terminal of send mode on network through the Internet or local provides and look audio frequency IP packet is one of http service function among the present invention, and this packet can be the Web TV signal.DTV of the present invention has been developed the http service based on the operating system of supporting the multi-process operation for the versatility that realizes the multiple network terminal.This service provides the human-computer interactive control interface of network-termination device and DTV and the network interface of network-termination device (IP port); This IP port has concrete IP address; Before this step 250; The LAN subscriber terminal can utilize the network interface of said DTV to insert said DTV through local area network (LAN), and the server of interconnected users terminal through access internet obtains DTV and be sent to the video/audio bag on the server through the Internet.
When user terminal receives the IP packet, just can this packet be carried out decodes and plays.
In addition; Second function of http service is operator's machine interactive interface feedback is passed through in the Web TV service through the IP port reception network terminal user of http service order; And resolve to the discernible order of television set; Thereby also can realize the operation of Long-distance Control television set, specifically as shown in Figure 3.
Fig. 3 carries out the method flow diagram of FEEDBACK CONTROL for embodiment of the invention user terminal to DTV, and as shown in the figure, the audio frequency and video transmission method of present embodiment specifically comprises the steps:
Step 310 receives the control signal that said user terminal sends;
Referring to Fig. 1, user terminal can be desktop computer 131, smart mobile phone 132, panel computer 133 of local area network (LAN) etc., also can be desktop computer 141, smart mobile phone 142 of the Internet etc.; This control signal can be to realize the control signal of various functions; Platform is changed in for example tuning, shutdown etc.;
Step 320 is handled according to said control signal;
Processing procedure comprises: after the network ip address that user terminal and DTV provide through the http service connects; The user clicks control signal that the Web TV human-computer interaction interface sends and is sent to the Web TV service through network channel and carries out command analysis, and the TV internal control signal after the parsing carries out the corresponding instruction operation through the DTV feedback control module to television set.When control signal is when changing platform, can be as receiving the video/audio signal on other roads in the above-mentioned embodiment step 210, concrete processing procedure such as above-mentioned claim are said.
Step 330 is to the feedback signal of said user terminal return control signal.
Foregoing all is how to utilize DTV to send the video/audio bag; Thereby make the user terminal that receives this video/audio bag handle and real process to this packet; Simultaneously; The method of another embodiment of the present invention video/audio transmission can also be carried out the multichannel input, and the input of some of them road is used to receive the video/audio signal of multichannel, thereby can export the different user terminal that the different video/audio bag of multichannel is given local area network (LAN) and the Internet; Thereby different user terminals can receive the different video/audio bags of looking audio frequency, can certainly receive identical video/audio bag.Simultaneously, this locality of DTV can show that also one the tunnel looks audio frequency, specifically handles the flow chart that another embodiment of the present invention as shown in Figure 4 is looked the audio transmission method, and is as shown in the figure, and the audio frequency and video transmission method of present embodiment specifically comprises the steps:
Video/audio signal after step 410, said DTV receive the second road video/audio signal and be demodulated into the second tunnel demodulation; Step 420, the video/audio signal after above-mentioned the second tunnel demodulation, through the scramble process of DTV descrambler, the video/audio signal behind the second road descrambling that disturbs is removed in output; Step 430 is decoded as the second tunnel decoding video/audio signal with the video/audio signal behind said the second road descrambling; Step 440, said DTV display the play in this locality said the second the tunnel decoding video/audio signal.
Thereby make that DTV also can show the audio frequency of looking of one tunnel input in this locality.Certainly, technically, this road is looked audio frequency and also can be carried out sending to other user terminals after the packet packing.
So audio transmission method of looking of the embodiment of the invention; Both can realize the TV programme broadcast through the terminal, family, thus the portability that television-viewing is watched in realization, through the network-termination device of various portable bands; Can not receive the restriction in space; Watch TV programme anywhere or anytime, can be implemented in local television for play TV programme again, the multiple choices property of watching different programs at one time is provided.In addition, the embodiment of the invention has also realized and can carry out remote control to television set through network-termination device.
Fig. 5 is the internal structure sketch map of embodiment of the invention DTV machine; As shown in the figure; In one embodiment of the invention, digital television comprises: demodulating equipment 510, descrambler 520, decoding device 530, processing unit 540 and dispensing device 550.
Concrete, demodulating equipment 510 is used to receive video/audio signal and said video/audio signal is demodulated into the video/audio signal after the demodulation; It is the video/audio signal behind the descrambling that descrambler 520 is used for the video/audio signal descrambling after the demodulation; Decoding device 530 is used for the video/audio signal behind the descrambling is decoded as the decoding video/audio signal; Processing unit 540 is used for the decoding video/audio signal is treated to the video/audio bag; Dispensing device 550 is used for sending the video/audio bag to user terminal, displays the play after in order to user terminal the video/audio bag being handled.
Fig. 6 is the internal application structural representation of embodiment of the invention digital television; As shown in the figure; In one embodiment of the invention; Digital television comprises: multichannel tuner 610, DTV descrambler 621, DTV descrambler 622, digital television decoder 631, digital television decoder 632, local TV show processing module 660, Web TV service module 640, http service module 650 and intelligent digital network interface 651.
Multichannel tuner 610 as demodulating equipment, carries out demodulation to the video/audio signal that receives.Multichannel tuner 610 comprises a plurality of passages, and each passage is used to transmit different programme signals; DTV descrambler 621 and DTV descrambler 622 as descrambler, are used for removing the interference signal of the programme signal of respective channel transmission separately; Digital television decoder 631 and digital television decoder 632 as decoding device, are used for the descramble signal after corresponding removal is disturbed is separately carried out decoding processing, export corresponding decoded signal; Web TV service module 640 as processing unit, is used for decoded signal is packaged as the video/audio bag; Http service module 650 as dispensing device, is used for sending the video/audio bag to user terminal; The http service module has comprised the digital TV network interface 651 that network-termination device is connected with DTV; The IP address that this interface is concrete for the IP port has; The LAN subscriber terminal can utilize the network interface of DTV to insert this DTV through local area network (LAN); The Internet user can read DTV through Internet Server and be sent to the video/audio bag on the Internet Server through network interface, realizes the access of internet terminal user to Web TV; Local TV shows processing module 660, is used for the decoded signal of receiving digital television decoder 632 outputs, carries out displaying the play of local TV.
Passage 1 in the multichannel tuner 610 has been accomplished the transmission of input wire signal to local television set jointly with DTV descrambler 621, digital television decoder 622 and local TV demonstration processing module 660;
The passage 2 of multichannel tuner has been accomplished the transmission of input wire signal to network-termination device jointly with DTV descrambler 622, digital television decoder 632, Web TV service module 640, http service module 650 and digital TV network interface 651.
The tuner that DTV among the present invention adopts is the multichannel tuner.If adopt the single channel tuner, the program of the TV programme of television set broadcast and network terminal broadcast can only be identical so.And employing multichannel tuner; Can realize that television set uses a passage to transmit a programme signal; The Web TV service uses an other passage to transmit the another one programme signal, thereby has realized that television set separates with network TV program, does not disturb mutually.
In addition, the Web TV service channel that DTV of the present invention provided can be expanded.The quantity of DTV descrambler and digital television decoder can be expanded in the above-mentioned DTV; Web TV service module 640 receives decoded signal and can utilize the systems soft ware of digital television that a plurality of ports are set; Transmit the signal that different passages provide respectively; Http service module 650 also can utilize the systems soft ware of digital television that corresponding a plurality of port is set with digital TV network interface 651; In order to transmit different TV programme video/audio bags to different terminal equipment, realize that the user uses different terminal equipment to watch different TV programme at one time.This scheme is particularly suitable for domestic. applications.
Fig. 7 is the inner signal transmission sketch map of DTV, and Web TV and normal tv signal are irrelevant disturbs in order to make, used in the present embodiment in the multichannel tuner two passages respectively transmission signals do explanation.
On the one hand; Passage 1 in the multichannel tuner 710 receives the digital cable TV signal of coaxial cable transmission and signal is separated mediation distribute; Digital television signal after the output demodulation; The digital television signal that DTV descrambler 721 receives after the demodulation carries out descrambling to it, is sent to local TV after the digital television signal behind the descrambling is decoded through digital television decoder 731 and shows that processing module 760 shows, has realized the basic function that televiews.
On the other hand; Passage 2 in the multichannel tuner 710 receives the digital cable TV signal of coaxial cable transmission and signal is separated mediation distribute; Digital television signal after the output demodulation; The digital television signal that DTV descrambler 722 receives after the demodulation carries out descrambling to it; Digital television signal behind the descrambling is sent to Web TV service module 740 after decoding through digital television decoder 732; It is network IP packet with this signal processing also that the corresponding port of Web TV service module 740 receives decoded digital television signal; Digital TV network interface 751 in the http service module 750 connects with network-termination device, and above-mentioned network IP packet sends to network-termination device through the digital TV network interface 751 in the http service module 750, has realized the function of using network-termination device to watch Web TV.
Fig. 8 is the sketch map of embodiment of the invention digital television and terminal equipment reciprocal process; As shown in the figure; At one of the present invention is in the instance; Network-termination device 880 is connected through the wireless network transmissions channel with the network interface 851 of DTV, and network-termination device 880 is linked in the Web TV service through the http service through the network interface IP address of browser or network player visit DTV.
Below to realize changing the course of work that platform is operating as example explanation man-machine interaction: the user sends the control signal of changing platform through the command adapted thereto on operator's machine interactive interface; Control signal sends to the network interface 851 of DTV through network channel; Web TV service module 840 receives order through http service and is transferred to the internal control signal that corresponding command analysis is a television set control module 870 of DTV; The corresponding multichannel tuner 810 of control module 870 controls; Multichannel tuner 810 is according to the Instruction Selection passage of control module; Like selector channel 2, the corresponding TV signal that output needs is carried out being sent to Web TV service module 840 after descrambling, digital television decoder 832 are decoded through DTV descrambler 822 and is carried out data encapsulation; Network IP packet after encapsulating the most at last returns to network-termination device 880 again through the http service and plays, thus the operation that platform is changed in realization.
Through said method, can also carry out other remote operation to television set through network-termination device, like shutdown, regulate volume, regulate image brightness, contrast or the like.
The embodiment of the invention does not need other equipment of extra purchase, only needs to increase peripheral hardware circuit and corresponding software control module, can be relatively simply realizes having on the digital television of operating system.
Therefore embodiments of the invention have the following advantages:
1. realized the portability of television-viewing,, can watch TV programme anywhere or anytime through various portable network-termination devices;
2. multiple choices property is provided,, can have watched the TV programme of different channel at one time through television set and network-termination device;
3. low-cost; Only need be linked into this DTV network and connect digital television signal and just can realize each item function in the present embodiment; Need not to buy the expense that other equipment also need not the supplementary payments TV reception handled easily and do not have extraneous expense for the user;
4. can expand, to the Control Software of a plurality of descrambler and decoder and through systems soft ware a plurality of network ports are set, just can realize that a plurality of terminal equipments watch different programs through increasing descrambler and decoder and TV;
5. DTV and terminal equipment can be realized good viewing effect;
6. can the telemanagement television set, through network-termination device TV is controlled.
Above-described embodiment; The object of the invention, technical scheme and beneficial effect have been carried out further explain, and institute it should be understood that the above is merely embodiment of the present invention; And be not used in qualification protection scope of the present invention; All within spirit of the present invention and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (14)

1. look the audio transmission method for one kind, it is characterized in that, said method comprises:
Video/audio signal after DTV receives video/audio signal and is demodulated into demodulation;
With the video/audio signal descrambling after the said demodulation is the video/audio signal behind the descrambling;
Video/audio signal behind the said descrambling is decoded as the decoding video/audio signal;
Said decoding video/audio signal is treated to the video/audio bag;
Said DTV sends said video/audio bag, displays the play after in order to said user terminal said video/audio bag being handled.
2. method according to claim 1 is characterized in that, saidly said decoding video/audio signal is treated to the video/audio bag is specially, and said said decoding video/audio signal is treated to looked audio frequency Internet protocol IP packet.
3. method according to claim 1 is characterized in that, said DTV sends said video/audio bag to user terminal and is specially, and said DTV sends the said audio frequency IP packet of looking through IP network or local area network (LAN) to said user terminal.
4. method according to claim 3; It is characterized in that; Said DTV comprised also that said user terminal utilized the network interface of said DTV to insert said DTV through IP network or local area network (LAN) before user terminal sends said video/audio bag.
5. method according to claim 1 is characterized in that, said method also comprises:
Receive the control signal that said user terminal sends;
Handle according to said control signal;
Feedback signal to said user terminal return control signal.
6. method according to claim 5 is characterized in that, the said processing according to said control signal is specially, and selects the demodulated output signal of the video/audio signal of input according to said control signal.
7. method according to claim 1 is characterized in that, said method also comprises:
Video/audio signal after said DTV receives the second road video/audio signal and is demodulated into the second tunnel demodulation;
With the video/audio signal descrambling after said the second tunnel demodulation is the video/audio signal behind the second road descrambling;
Video/audio signal behind said the second road descrambling is decoded as the second tunnel decoding video/audio signal;
Said DTV display the play in this locality said the second the tunnel decoding video/audio signal.
8. a digital television is characterized in that, said digital television comprises:
Demodulating equipment is used to receive video/audio signal and said video/audio signal is demodulated into the video/audio signal after the demodulation;
Descrambler, being used for the video/audio signal descrambling after the said demodulation is the video/audio signal behind the descrambling;
Decoding device is used for the video/audio signal behind the said descrambling is decoded as the decoding video/audio signal;
Processing unit is used for said decoding video/audio signal is treated to the video/audio bag;
Dispensing device is used for sending said video/audio bag through the television set network interface to user terminal, displays the play after in order to said user terminal said video/audio bag being handled.
9. digital television according to claim 8 is characterized in that, said processing unit specifically is used for said decoding video/audio signal is treated to looks audio frequency IP packet.
10. digital television according to claim 9 is characterized in that, said dispensing device specifically is used for sending the said audio frequency IP packet of looking through IP network or local area network (LAN) to said user terminal.
11. digital television according to claim 8 is characterized in that, said DTV also comprises, Network Interface Unit is used for said user terminal and inserts said DTV through IP network or local area network (LAN).
12. digital television according to claim 8 is characterized in that, said DTV also comprises:
Feedback device is used to receive the control signal that said user terminal sends, handles according to said control signal, and to the feedback signal of said user terminal return control signal.
13. method according to claim 12 is characterized in that, handles being specially in the said feedback device according to said control signal, selects the demodulated output signal of the video/audio signal of input according to said control signal.
14. digital television according to claim 8 is characterized in that, said digital television also comprises:
No. the second demodulating equipment is used to receive the second road video/audio signal and said the second road video/audio signal is demodulated into the video/audio signal after the second tunnel demodulation;
The second road descrambler, being used for the video/audio signal descrambling after said the second tunnel demodulation is the video/audio signal behind the second road descrambling;
The second road decoding device is used for the video/audio signal behind said the second road descrambling is decoded as the second tunnel decoding video/audio signal;
Playing device, be used for said DTV display the play in this locality said the second the tunnel decoding video/audio signal.
CN2012102927323A 2012-08-16 2012-08-16 Video/audio transmitting method and digital television Pending CN102802076A (en)

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CN104333797A (en) * 2013-07-22 2015-02-04 联想(北京)有限公司 Information processing method and electronic equipment
CN103517133A (en) * 2013-10-22 2014-01-15 广东广联电子科技有限公司 Television program playing method
CN103813203A (en) * 2014-02-25 2014-05-21 广州视源电子科技股份有限公司 Household television multi-screen display system
CN103888818B (en) * 2014-03-24 2017-12-19 青岛海信电器股份有限公司 A kind of television program playing method, equipment and system
CN104053041A (en) * 2014-06-05 2014-09-17 东莞中山大学研究院 Multi-television service system based on home network
CN104822097A (en) * 2015-04-28 2015-08-05 青岛海信电器股份有限公司 Apparatus and method enabling client device to play radio and television programs
CN105100846A (en) * 2015-09-02 2015-11-25 帕诺迪电器(深圳)有限公司 One-to-two high-definition sharing household multimedia intelligent terminal
CN114286123A (en) * 2021-12-23 2022-04-05 海宁奕斯伟集成电路设计有限公司 Live broadcast method and device of television program

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