CN101902591A - Digital television receiving system for automatically retrieving television program information - Google Patents
Digital television receiving system for automatically retrieving television program information Download PDFInfo
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- CN101902591A CN101902591A CN 201010227554 CN201010227554A CN101902591A CN 101902591 A CN101902591 A CN 101902591A CN 201010227554 CN201010227554 CN 201010227554 CN 201010227554 A CN201010227554 A CN 201010227554A CN 101902591 A CN101902591 A CN 101902591A
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Abstract
The invention discloses a digital television receiving system for automatically retrieving television program information. The system comprises a signal receiving module, a demodulating module and an encoding module, an MCU control module and a program to control the signal receiving module, the demodulating module, the encoding module and the MCU control module, wherein the system also comprises an auxiliary module; the auxiliary module comprises an auxiliary receiving module which contains a digital tuner, an auxiliary demodulating module which contains a digital modem, and a comprehensive functional module which can acquire and process related data and control the auxiliary receiving module and the auxiliary demodulating module, and has man-machine interaction and machine-machine interaction functions. The system provides the function and service for rapidly retrieving all-channel digital television program information by inputting the related information of a program for a user, overcomes the shortages of a digital television receiver in the aspect of the program retrieval function, and makes the digital television receiver more convenient and more humanized.
Description
Technical field
The invention belongs to the digital television techniques field, relate in particular to a kind of TV program information digital TV receiving system of retrieval automatically of realizing.
Background technology
At present, along with the development of broadcast television technique, TV has had traditional simulated television to change to Digital Television, and Digital Television can provide digital television program and other value-added services of hundreds of channels for the terminal use.The user wants to find quickly the programme content of wanting to see will face a kind of new challenge, the electronic program guides that television programming provider provides (EPG) provide a large amount of programme informations, need the user to turn over one by one when the user watches, thereby find the program that oneself needs all over each channel.Yet this needs a lot of times of user effort, as: spectators that like seeing the finance and economic program, hope is known in the current or following several hrs of each channel even the finance and economics programme information in following several days by electronic program guides, under present situation, just need enter each channel with remote controller, call the EPG menu, search up and down.The collection of each channel EPG information needs certain hour, and operation also needs the time, and travel through up to a hundred channels like this will be very loaded down with trivial details thing, can not serve for the user provide very easily, feasible operate numerous and diverse.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of TV program information digital TV receiving system of retrieval automatically of realizing, realizes the digital television programs information of all-channel is retrieved fast.
For achieving the above object, technical scheme of the present invention is:
A kind of TV program information digital TV receiving system of retrieval automatically of realizing, include signal receiving module, demodulation module, decoder module, form by MCU and program, with the control signal receiver module, demodulation module and decoder module MCU molding piece, wherein also include a supplementary module, this supplementary module includes an auxiliary reception module that contains digital tuner, an aid demodulation module that contains digital modems, and one can be carried out the related data collection and treatment, described auxiliary reception module and aid demodulation module are controlled, and contained man-machine interaction, the comprehensive function module of Machine-Machine Information interactive function
Compared to prior art, the invention provides to the user is a kind of and realize the digital television programs information of all-channel is carried out function of quick search and service by program relevant informations such as input program names keyword or content introduction keywords, promoted the deficiency of digital television receiver in the program search function aspects, it is more convenient, more humane to make it to use.
Description of drawings
Fig. 1 is that the present invention realizes the TV program information theory diagram of the digital TV receiving system of retrieval automatically.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
With reference to shown in Figure 1, the present invention realizes that the digital TV receiving system that TV program information is retrieved automatically includes signal receiving module, demodulation module, decoder module, is made up of MCU and program, with control signal receiver module, demodulation module and decoder module MCU molding piece and supplementary module; This supplementary module includes an auxiliary reception module that contains digital tuner (Tuner), aid demodulation module that contains digital modems (Demodulator) and one can carry out the related data collection and treatment, described auxiliary reception module and aid demodulation module are controlled, and contained the comprehensive function module of man-machine interaction, Machine-Machine Information interactive function.Include nonvolatile storage (as EEPROM or Flash) in the MCU control module, being used to store the user is provided with, as: image, the setting of sound aspect also can be stored in the key message (as the frequency of channel) of each channel after program is searched for automatically and finished and form the pre-set channel table in it.And the comprehensive function module can be extracted data from demodulation module, carry out storage organization by set mode, can in the data structure of storage, search according to the information of input, other be mainly software function, according to actual conditions, comprehensive module may operate on the MCU module of present digital television receiver, thereby reduces the material cost of system.
MCU molding piece receives the order of user by button or remote controller input, resolves these orders, carries out work by set flow process, as switching channels, adjusts the video/audio state, shows OSD (on screen display) menu etc.Signal receiving module can be implemented in and carry out the signal tuning reception in the TV signal band limits, and export constant intermediate-freuqncy signal and give demodulation module, demodulation module is realized the demodulation of signal, output program transmission flow data is given decoder module, and the MCU control module also can therefrom extract corresponding SI (Service Information) information.Decoder module is realized the decoding of program, and as MPEG2, corresponding video, audio signal are exported in decoding H.264, are transferred to display device output image and sound, thereby realizes the reproduction of program.
The comprehensive function module can communicate with the MCU control module, obtains pre-set channel table information from the MCU control module, according to set program signalization receiver module and demodulation module; Can receive and handle the SI information that demodulation module transfers out, form database; Can resolve the order that the MCU control module is sent, and return corresponding information, as receiving the order of searching certain program that MCU sends, and corresponding retrieval results be returned.When the user opens receiver and brings into use, the comprehensive function module starts simultaneously, it obtains the pre-set channel table from the MCU control module, according to this table signal receiving module is set on the predetermined channel, as channel 1, begin to receive the SI information of this channel by demodulation module, therefrom propose EPG information and deposit self-built epg database in, after finishing receiving channel 1, receiving channels 2, receipts channel 3, receipts channel 4...... are until all channels in the pre-set channel table are all received one time again.Like this, just managed a toy data base in the comprehensive function module, it has stored all many days EPG information of the channel of record in the pre-set channel table, and this information can be stored in storage wherein, and upgrades according to the time.When the user enables search function, the comprehensive function module shows the man-machine interaction menu by the OSD Presentation Function of MCU control module on display device, the user utilizes the remote controller input to need the programming retrieved title, or selects the program category keyword according to the information of this menu.For example, by display device, the user utilizes remote controller to import certain program names full name or partial key wherein under search menu, or selects program category, economic class, and the talk class, perhaps the two all has it.The MCU control module is passed to the comprehensive function module with the information of user's input, retrieve in the described in front program epg database of keyword of comprehensive function module according to input, after retrieval finishes, with the relevant information that retrieves (as broadcast time, channel etc.) feed back to the MCU control module, the MCU module shows on display device by the mode of OSD menu.By the human-computer interaction function of system perfecting, the user just can obtain this program at that or that several channels, and when broadcast is arranged.By man-machine interaction, more can be scheduled to (the following broadcast) or redirect (broadcasting now) easily to channel.
During application, the user starts television set, has also started simultaneously described system, and the pre-set channel table information that supplementary module is stored after according to automatic TV channel search is carried out tuning successively and received wherein EPG information, thereby form an epg database, upgrade according to the time then.When the user had the demand of retrieval, according to menu prompt, by remote controller input or confirmed relevant keyword or information, the relative program module was at running background simultaneously, and the user continues to watch program.Program is retrieved in epg database the information of input, and the back that finishes is shown to the user by certain form by the OSD system, and the user carries out program predetermination according to the hobby situation of oneself, operations such as redirect, thereby the quick retrieval of realization program.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. realize the TV program information digital TV receiving system of retrieval automatically for one kind, include signal receiving module, demodulation module, decoder module, form by MCU and program, with the control signal receiver module, demodulation module and decoder module MCU molding piece, it is characterized in that: also include a supplementary module, this supplementary module includes an auxiliary reception module that contains digital tuner, an aid demodulation module that contains digital modems, and one can be carried out the related data collection and treatment, described auxiliary reception module and aid demodulation module are controlled, and contained man-machine interaction, the comprehensive function module of Machine-Machine Information interactive function.
2. realization TV program information as claimed in claim 1 is the digital TV receiving system of retrieval automatically, it is characterized in that: include nonvolatile storage EEPROM or Flash in the described MCU control module, be provided with to be used to the storing user.
3. realization TV program information as claimed in claim 2 is the digital TV receiving system of retrieval automatically, it is characterized in that: the comprehensive function module can be extracted data from demodulation module, carry out storage organization by set mode, and in the data structure of storage, search according to the information of input.
4. realization TV program information as claimed in claim 3 is the digital TV receiving system of retrieval automatically, it is characterized in that: MCU molding piece receives the order of user by button or remote controller input, resolves these orders, carries out work by set flow process.
5. realization TV program information as claimed in claim 4 is the digital TV receiving system of retrieval automatically, it is characterized in that: the comprehensive function module can communicate with the MCU control module, obtain pre-set channel table information from the MCU control module, according to set program signalization receiver module and demodulation module; And can receive and handle the SI information that demodulation module transfers out, form database; And resolve the order that the MCU control module is sent, return corresponding information.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102275547A CN101902591B (en) | 2010-07-14 | 2010-07-14 | Digital television receiving system for automatically retrieving television program information |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102275547A CN101902591B (en) | 2010-07-14 | 2010-07-14 | Digital television receiving system for automatically retrieving television program information |
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| CN101902591A true CN101902591A (en) | 2010-12-01 |
| CN101902591B CN101902591B (en) | 2011-12-28 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108737890A (en) * | 2018-08-21 | 2018-11-02 | 深圳Tcl数字技术有限公司 | Multi-process channel data switching method, device, television set and storage medium |
| WO2020133978A1 (en) * | 2018-12-27 | 2020-07-02 | 深圳创维－Rgb电子有限公司 | Electronic program guide generation method and device, and computer-readable storage medium |
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| CN201393271Y (en) * | 2009-03-04 | 2010-01-27 | 南京夏普电子有限公司 | TV set supporting automatic scan by background |
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| US6766528B1 (en) * | 1999-01-27 | 2004-07-20 | Lg Electronics Inc. | Apparatus and method for displaying additional information |
| JP2000261733A (en) * | 1999-03-08 | 2000-09-22 | Toshiba Corp | Broadcast receiver |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108737890A (en) * | 2018-08-21 | 2018-11-02 | 深圳Tcl数字技术有限公司 | Multi-process channel data switching method, device, television set and storage medium |
| WO2020133978A1 (en) * | 2018-12-27 | 2020-07-02 | 深圳创维－Rgb电子有限公司 | Electronic program guide generation method and device, and computer-readable storage medium |
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| CN101902591B (en) | 2011-12-28 |
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