CN101977292B - Multi-television channel selection method - Google Patents
Multi-television channel selection method Download PDFInfo
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- CN101977292B CN101977292B CN201010550517XA CN201010550517A CN101977292B CN 101977292 B CN101977292 B CN 101977292B CN 201010550517X A CN201010550517X A CN 201010550517XA CN 201010550517 A CN201010550517 A CN 201010550517A CN 101977292 B CN101977292 B CN 101977292B
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- 238000000034 method Methods 0.000 claims abstract description 11
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- 230000008676 import Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 230000006870 function Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- GUGNSJAORJLKGP-UHFFFAOYSA-K sodium 8-methoxypyrene-1,3,6-trisulfonate Chemical class [Na+].[Na+].[Na+].C1=C2C(OC)=CC(S([O-])(=O)=O)=C(C=C3)C2=C2C3=C(S([O-])(=O)=O)C=C(S([O-])(=O)=O)C2=C1 GUGNSJAORJLKGP-UHFFFAOYSA-K 0.000 description 1
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Abstract
The invention provides a power carrier-based home digital television system, which comprises a power carrier-based home gateway and digital televisions, wherein the home gateway is interconnected with the digital televisions through power lines. The invention also provides a multi-television channel selection method, which comprises the following steps of: connecting the home gateway and a plurality of digital televisions through the home power lines, and sending remote control signals emitted by a remote controller of any digital television to the home gateway through the digital television so as to remotely control the home gateway to select television programs. The method realizes centralized control of the home gateway on the digital televisions, supports multiple digital televisions to freely select different programs, and solves the problems of more connecting loops between the home gateway and the digital televisions and high transmission rate requirement. In addition, the method can support standard-definition and high-definition televisions.
Description
Technical field
The present invention relates to the method for many TVs channel selection.
Background technology
At present, most of resident is to use simulated television to watch broadcast TV program, also is to convert digital television signal into mode that analog signal is transferred to simulated television again through top box of digital machine to watch even watch the cable digital TV program.Along with the continuous popularization of Smart Home, home gateway begins to be used widely.Home gateway can integrated set-top box function, can realize centralized control, but also have some problem demanding prompt solutions all TVs of household internal.Because STB is general and television set is positioned in the same room; The controller top box that can use a teleswitch is selected TV programme, and home gateway connects plurality of devices owing to needs, and it may not be positioned in the same room with television set; This makes troubles just for the remote control channel selection of television set; The more important thing is if SD or the HDTV signal of home gateway after television set is directly exported decompress(ion) then because the transmission rate that data image signal requires is high, and can't effectively transmit on channel.
Summary of the invention
The object of the present invention is to provide a kind of method of many TVs channel selection.
Its step comprises:
(1) home gateway is connected with N platform DTV through family's power line, and N is a natural number;
The remote controller of (2) X platform DTVs sends a remote signal, and this remote signal is received by the reception and the transmitting element of said X platform DTV, and sends to said home gateway through said family power line, and said X is the natural number that is less than or equal to N;
(3) said home gateway receives the remote signal that said X platform DTV sends, and according to this remote signal, selects a tuner receiving digital television signal, extracts corresponding program stream;
(4) descrambling module of said home gateway is to said program stream descrambling, and passes to said X platform DTV through the program stream of said family power line after with descrambling;
(5) program stream of said X platform DTV after to the descrambling that receives decompresses, and imports the television module of said X platform DTV;
(6) said X platform DTV broadcasts the selected program of said remote signal.
It is high to the invention solves the digital television signal transmission rate request, the problem that network line can't meet the demands.The present invention is based on PLC technology, need not numerous and diverse wiring, circuit is simple.In addition, the present invention is implemented under the same gateway centralized control many TVs and can freely selects TV programme.
Description of drawings
Fig. 1 is the family digital television system structural representation that the present invention is based on power carrier;
Fig. 2 is many TVs of the present invention method of channel selection flow chart of steps.
Embodiment
Below in conjunction with accompanying drawing the present invention is done detailed description.
As shown in Figure 1, a kind of family digital television system based on power carrier of the present invention comprises home gateway 1 and DTV 2 based on power carrier, and said home gateway 1 interconnects through family's power line 16 with DTV 2.
Said home gateway 1 comprises CPU primary processor 3, the memory module 4 that is connected with CPU primary processor 3, smart card module 5 and remote control module 6, the tuner 7, channel demodulator 8, demodulation multiplexer 9, descrambling module 10 and the power modulation demodulation module 11 that connect successively; Said tuner 7 receiving digital television signals, these signal channel demodulator 8 channel-decodings, output transport stream; This MPTS is extracted corresponding program stream through demodulation multiplexer 9, and this program stream is imported 11 modulation of power modulation demodulation module behind descrambling module 10 descramblings, and exports to DTV 2 through family's power line 16.
Said DTV 2 comprises television module 12, digital television decoder 13, power modulation demodulation module 14 and reception and transmitting element 15; Said power modulation demodulation module 14 connects the input of digital television decoder 13 and the output of reception and transmitting element 15, and the output of said digital television decoder 13 connects television module 12; Said reception and transmitting element 15 are used to receive the infrared remote-controlled signal that remote controller sends, and convert infrared remote-controlled signal to digital signal, after 14 modulation of power modulation demodulation module, are sent to home gateway 1 through family's power line 16.
Said remote control module 6 is used for the reception of receiving digital television 2 and the remote signal that transmitting element 15 sends; Said CPU primary processor 3 is according to the remote signal of remote control module 6 outputs; Control tuner 7 carries out channel selection, and makes demodulation multiplexer 9 extract corresponding program stream.
Said channel demodulator 8 is qam demodulators, and said digital television decoder 13 is MPEG-2 decoders, and said program stream comprises audio stream, video flowing and data flow.
In addition; Said television module 12 can be a digital television module; Perhaps television module 12 comprises video encoder, audio frequency D/A converter and simulated television module; Video encoder is used for converting digital video signal into be used to import the simulated television module analog video signal, and audio frequency D/A converter is used for digital audio and video signals is transformed to the simulated audio signal that is used to import the simulated television module.
The method of a kind of many TVs channel selection of the present invention comprises:
(1) home gateway is connected with three DTVs through family's power line;
The remote controller of (2) the 1st DTVs sends an infrared remote-controlled signal, and the reception of said DTV and transmitting element convert the infrared signal that receives to digital signal, after the modulation of power modulation demodulation module, is sent to home gateway through family's power line;
(3) data flow of said remote signal is after the power modulation demodulation module demodulation of said home gateway; Input to CPU through remote control module and live processor; The CPU primary processor is selected first tuner according to the remote signal of input, selects channel; Receiving digital television signal, and make demodulation multiplexer extract corresponding program stream;
(4) descrambling module of said home gateway after the modulation of power modulation demodulation module, is passed to said the 1st DTV with the program stream behind the descrambling through power line to the program stream descrambling;
(5) the input digit television decoder after the power modulation demodulation module demodulation of the 1st DTV of the program stream behind the said descrambling decompresses, with the digital television signal input television module after decompressing.
(6) said the 1st DTV broadcasts the selected program of said remote signal.
In the embodiment of the method for this many TVs channel selection; Said home gateway comprises the CPU primary processor; The memory module, smart card module and the remote control module that are connected with the CPU primary processor, the tuner, channel demodulator, demodulation multiplexer, descrambling module and the power modulation demodulation module that connect successively; This home gateway has 4 tuners, comprises first tuner, second tuner, the 3rd tuner, the 4th tuner.Said DTV comprises television module, power modulation demodulation module, digital television decoder and reception and transmitting element; Said power modulation demodulation module is connected with reception and transmitting element with digital television decoder respectively, and said digital television decoder connects television module; Said reception and transmitting element are used to receive and send the remote signal that remote controller sends.Said channel demodulator is a qam demodulator, and said digital television decoder is the MPEG-2 decoder.
Certainly, when the 1st DTV watched digital television program, can open the 2nd DTV simultaneously and watch digital television program.The difference of the remote control channel selection process of the 1st DTV is that home gateway selects second tuner to come receiving digital television signal together.Because the 1st DTV adopts different tuners with the 2nd DTV, therefore, at synchronization, two TVs can select different programs to watch simultaneously.In like manner, watch digital television program for the 3rd DTV, home gateway can select the 3rd tuner to receive its digital television signal.
This home gateway can be supported four free channel selections of DTV simultaneously.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (2)
1. the method for TV channel selection more than a kind is characterized in that step comprises:
(1) home gateway is connected with N platform DTV through family's power line, and N is a natural number;
The remote controller of (2) X platform DTVs sends a remote signal, and this remote signal is received by the reception and the transmitting element of said X platform DTV, and sends to said home gateway through said family power line, and said X is the natural number that is less than or equal to N;
(3) said home gateway receives the remote signal that said X platform DTV sends, and according to this remote signal, selects a tuner receiving digital television signal, extracts corresponding program stream;
(4) descrambling module of said home gateway is to said program stream descrambling, and passes to said X platform DTV through the program stream of said family power line after with descrambling;
(5) program stream of said X platform DTV after to the descrambling that receives decompresses, and imports the television module of said X platform DTV;
(6) said X platform DTV broadcasts the selected program of said remote signal.
2. according to the method for the said a kind of many TVs channel selection of claim 1, it is characterized in that:
Said home gateway comprises the CPU primary processor; The memory module, smart card module and the remote control module that are connected with the CPU primary processor, the power modulation demodulation module of tuner, channel demodulator, demodulation multiplexer, descrambling module and the said home gateway that connects successively; The quantity of said tuner is K, and K is a natural number, and K is more than or equal to N;
Said X platform DTV comprises power modulation demodulation module, digital television decoder and reception and the transmitting element of television module, said X platform DTV; The power modulation demodulation module of said X platform DTV is connected with the input of said digital television decoder and the output of said reception and transmitting element respectively, and the output of said digital television decoder connects said television module; Said reception and transmitting element are used to receive and send the remote signal that remote controller sends.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010550517XA CN101977292B (en) | 2010-11-18 | 2010-11-18 | Multi-television channel selection method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010550517XA CN101977292B (en) | 2010-11-18 | 2010-11-18 | Multi-television channel selection method |
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| CN101977292A CN101977292A (en) | 2011-02-16 |
| CN101977292B true CN101977292B (en) | 2012-06-06 |
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| CN201010550517XA Active CN101977292B (en) | 2010-11-18 | 2010-11-18 | Multi-television channel selection method |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103051951B (en) * | 2011-10-12 | 2017-03-22 | 北京融合视讯科技有限公司 | Television program switching method and television gateway |
| CN103166816A (en) * | 2012-11-22 | 2013-06-19 | 广东广联电子科技有限公司 | Home network system based on power line communication (PLC) |
| CN105516774B (en) * | 2015-11-30 | 2019-03-29 | 北京四达时代软件技术股份有限公司 | A kind of digital gateway and control system of televising |
| CN108449630B (en) * | 2018-04-09 | 2020-05-22 | 歌尔股份有限公司 | Audio synchronization method and system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1633038A (en) * | 2004-12-23 | 2005-06-29 | 深圳市佳音达通讯电子技术有限公司 | Method and system for low-volatile distribution and power line communication integration |
| CN101188711A (en) * | 2007-12-19 | 2008-05-28 | 康佳集团股份有限公司 | A TV value-added service system and its implementation method |
| CN101465980A (en) * | 2007-12-21 | 2009-06-24 | 康佳集团股份有限公司 | Television terminal, television program watch control service system and implementing method thereof |
| CN101599781A (en) * | 2008-06-06 | 2009-12-09 | 许浩坤 | The ZIGBEE transfer power line carrier wave gateway technology |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100571488B1 (en) * | 2004-03-29 | 2006-04-17 | 삼성물산 주식회사 | Method and system for providing media life service using home network |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1633038A (en) * | 2004-12-23 | 2005-06-29 | 深圳市佳音达通讯电子技术有限公司 | Method and system for low-volatile distribution and power line communication integration |
| CN101188711A (en) * | 2007-12-19 | 2008-05-28 | 康佳集团股份有限公司 | A TV value-added service system and its implementation method |
| CN101465980A (en) * | 2007-12-21 | 2009-06-24 | 康佳集团股份有限公司 | Television terminal, television program watch control service system and implementing method thereof |
| CN101599781A (en) * | 2008-06-06 | 2009-12-09 | 许浩坤 | The ZIGBEE transfer power line carrier wave gateway technology |
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| CN101977292A (en) | 2011-02-16 |
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