CN105245973A - Vehicle-mounted DVB-T (Digital Video Broadcasting-Terrestrial) signal receiver capable of setting user preferred programs - Google Patents
Vehicle-mounted DVB-T (Digital Video Broadcasting-Terrestrial) signal receiver capable of setting user preferred programs Download PDFInfo
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- 230000005540 biological transmission Effects 0.000 claims description 10
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- 101000821257 Homo sapiens Syncoilin Proteins 0.000 claims description 3
- 102100021919 Syncoilin Human genes 0.000 claims description 3
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- 238000006243 chemical reaction Methods 0.000 claims description 3
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
- H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
- H04N21/6112—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving terrestrial transmission, e.g. DVB-T
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/441—Acquiring end-user identification, e.g. using personal code sent by the remote control or by inserting a card
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/482—End-user interface for program selection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/485—End-user interface for client configuration
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Circuits Of Receivers In General (AREA)
Abstract
The invention relates to a vehicle-mounted DVB-T (Digital Video Broadcasting-Terrestrial) signal receiver capable of setting user preferred programs. The vehicle-mounted DVB-T signal receiver comprises a user attribute memory, a manual attribute modification module, an automatic attribute modification module, left and right channel loudspeakers and an LCD (Liquid Crystal Display), wherein the manual attribute modification module or the automatic attribute modification module is used for manually modifying or automatically modifying user attributes including a preferred program queue, an image display parameter and a sound playing parameter; the left and right channel loudspeakers and the LCD are used for playing audio and video programs according to the modified user attributes; the user attribute memory is used for storing automatically-modified or manually-modified user attribute values; and automatic modification of the automatic attribute modification module is modification performed according to statistics of a history value of each user attribute. Through adoption of the vehicle-mounted DVB-T signal receiver, services of different levels are provided for users using public accounts and private accounts, and various watching demands of different types of users are met.
Description
The divisional application that the present invention is application number is 201310173584.8, the applying date is on May 10th, 2013, denomination of invention is the patent of " the vehicle-mounted DVB-T signal receiver arranging user's preferences program ".
Technical field
The present invention relates to vehicle-mounted DVB-T Digital TV Receiving field, particularly relate to a kind of vehicle-mounted DVB-T signal receiver that user's preferences program is set.
Background technology
Terrestrial television (Terrestrialtelevision), namely radiovision is one of television signal transmission means, relative with satellite television.TV station, through facilities such as signal cell site and television towers, launches signal at atmosphere in radio wave mode, and rating family re-uses antenna and receives signal with TV reception.There is no the epoch of artificial satellite in early days, the many broadcast programs in this way of TV station.
Digital video broadcasting DVB, be by " DVBProject " safeguard a series of be the international Digital Television Open Standard admitted." DVBProject " is an industrial organization by more than 300 member compositions, it organize CENELEC and European Broadcasting Union EBU to constitute jointly by european telecommunications standards institute ETSI, European electronic standard " joint specialist group " JTC initiates.Different according to the channel of transmission, be divided into satellite television DVB-S, cable TV DVB-C, hand-held terrestrial wireless TV DVB-H and terrestrial television DVB-T.
Along with being on the increase of mobile vehicle comprising automobile, the chance that DVB-T signal receiver contacts with people gets more and more, and the reception of DVB-T signal does not have circuit to limit and is convenient to the feature that receives in any place, obtains the favor of people.But, because DVB-T technical development is started late, existing DVB-T receiver only completes conventional radio TV signals receiving, cannot meet the diversified individual needs of people, such as, dissimilar user's preferences program is different, but existing DVB-T receiver can not according to being had a preference for program sequence with using the type self adaption of user at the preferential position place of the rendition list.
Therefore, for user vehicle, need a kind of vehicle-mounted DVB-T signal receiver that user's preferences program is set, by the identification of the user to the vehicle-mounted DVB-T signal receiver of use, adaptively according to the user identified, the preference program that described user's history is watched in data is sorted, the programme content that preferential display is had a preference for most, also be provided with manual attribute modification module simultaneously, be convenient to the attribute modification that user flexibility carries out adapting to actual demand change, the attribute of amendment can be not limited to have a preference for program, also can comprise the display environment of user preference and listen to environment, thus, the program providing oneself to be familiar with for different user watches atmosphere.
Summary of the invention
In order to solve the problem, the invention provides a kind of vehicle-mounted DVB-T signal receiver that user's preferences program is set, user management and attribute auto-manual modify feature is integrated with in the vehicle-mounted DVB-T DTV receiver of, function singleness simple at original structure, be convenient to each attribute that user's amendment comprises preference program, audio visual environment, while provide conventional program to watch for common user, for personal user provides the Digital Television adapting to oneself to watch environment, to carry out the program viewing state be familiar with immediately, for vehicle-mounted user provides conveniently.
According to an aspect of the present invention, provide a kind of vehicle-mounted DVB-T signal receiver that user's preferences program is set, comprise user property memory, manual attribute modification module, automatic attribute modified module, left, right channel loudspeaker and LCD liquid crystal display screen, manual attribute modification module or automatic attribute modified module are to comprising preference program queue, image display parameters, the user property of sound playing parameters carries out manual modification or automatically revises, left, right channel loudspeaker and LCD liquid crystal display screen are according to amended user property playing audio/video programs, described user property memory stores each user property value after described automatic amendment or manual modification, the automatic amendment of described automatic attribute modified module is the amendment according to carrying out the statistics of the history value of each user property.
More specifically, the described vehicle-mounted DVB-T signal receiver arranging user's preferences program comprises further: user's input module, receive user profile and control information that user inputted by the button on remote controller or described receiver, described user profile comprises user's name and user cipher, described user profile also comprises common user's information, and described common user's information comprises common user's title and user cipher corresponding to described common user's title, user's log-in module, after described receiver starts, for user provides the graphic user interface logged in GUI, and connect described user's input module to receive described user profile, and connect user right authentication module to receive not common user login message or common user's login message of the transmission of described user right authentication module, user property memory, prestore each user profile, wherein each user profile comprises multiple attribute: user's name, user cipher, preference program queue, image display parameters, sound playing parameters, described preference program queue comprise the preference sequencing queue of program and described sequencing queue corresponding manually mark is set, the mark value that manually arranges of acquiescence is no, described sequencing queue comprises the multiple preference programme informations by the sequence of user's preferences degree, described image display parameters comprises contrast value, chromatic value, brightness value, described sound playing parameters comprises volume, user right authentication module, connect described user's log-in module and described user property memory, the user's name of the user's name in the user profile received from described user's log-in module and user cipher and each user profile prestored in described user property memory and user cipher are mated, when fitting through and for not common user profile, not common user login message is sent to user's log-in module, and from described user property memory, find the preference program queue of described user, image display parameters, sound playing parameters, the preference program queue of described user is sent to the demultiplexing module of described receiver, the image display parameters of described user is sent to the Display Driver module of described receiver, the sound playing parameters of described user is sent to a left side for described receiver, right channel loudspeaker, when fitting through and for common user's information, common user's login message is sent to user's log-in module, manual attribute modification module, connect described user's log-in module, when after the not common user login message receiving the described user right authentication module transmission that described user's log-in module forwards, according to the control information that user is inputted by the button on remote controller or described receiver, enter the graphic user interface GUI of attribute modification, be convenient to user carry out attribute modification and amended attribute be kept in described user property memory, when the multiple preference programme informations of user to described sequencing queue adjust, what described sequencing queue was corresponding manually arranged, and mark is automatically set as is, wherein user according to the needs that described sequencing queue is set manually or automatically revise described sequencing queue corresponding manually mark is set, automatic attribute modified module, connect described user property memory, watch that history comprises preference program queue according to user, image display parameters, the value of each attribute of sound playing parameters, calculate the statistical value of each attribute, wherein, image display parameters, the parameters statistical value of sound playing parameters is the mean value of parameters history use value, when the manual setting that the sequencing queue of preference program queue is corresponding is labeled as the statistical value calculating that no time side carries out having a preference for program queue, the sequencing queue of the preference program queue after calculating be according to each preference program history watch number of times sort after the sequencing queue of preference program queue, program queue will be had a preference for, image display parameters, the statistical value of each attribute of sound playing parameters is stored in described user property memory, front end receiver module, connect described user's log-in module, when described user's log-in module receive described user right authentication module send not common user login message or common user's login message after, modulation /demodulation is carried out to the digital TV broadcast signal of the DVB-T received, matched filtering maps with balanced, differential coding, symbol-byte, convolution deinterleaves, reed-solomon RS decoder, sync byte reverse and go randomization operation, flow with output transport stream TS, demultiplexing module, connect described front end receiver module to flow to receive described TS, connect described user right authentication module with receive described user preference program queue, be convenient to user by the button on remote controller or described receiver input comprise control information that program selects successively time, flow from described TS digitized audio message, the digital video information that demultiplexing successively goes out to have a preference for program according to the preference home network in preference program queue, voice data processing module, connects demultiplexing module to receive digitized audio message, carries out audio decompression, digital-to-analogue conversion operation, and export simulated audio signal to digitized audio message, video data processing module, connects demultiplexing module to receive digital video information, carries out video decompression operation to digital video information, and exports the digital video signal after decompressing, left and right sound channels loud speaker, connect voice data processing module to receive simulated audio signal and to export the left channel audio signal corresponding with simulated audio signal and right channel audio signal respectively, connect described user right authentication module to receive the sound playing parameters of described user to carry out volume adjustment to described left channel audio signal and right channel audio signal, Display Driver module, connect video data processing module with the digital video signal after the decompression of receiving video data processing module, and carried out driving process to export the video data of applicable LCD liquid crystal display screen display by the digital video signal after decompressing, and connect described user right authentication module to receive the image display parameters of described user to adjust the image display of LCD liquid crystal display screen, LCD liquid crystal display screen, connects Display Driver module and receives the video data after driving process, being shown on its screen by described video data, wherein, user right authentication module when described in fit through and for not common user profile time, the preference program queue of described user sent to the demultiplexing module of described receiver, the image display parameters of described user sent to the Display Driver module of described receiver, sent to by the sound playing parameters of described user the operation of the left and right sound channels loud speaker of described receiver to be clocked flip, wherein, image display parameters, sound playing parameters also have respectively and manually arrange mark accordingly.
More specifically, the described vehicle-mounted DVB-T signal receiver arranging user's preferences program comprises further: user's input module, user's log-in module, user property memory, user right authentication module, manual attribute modification module, automatic attribute modified module, front end receiver module, demultiplexing module, voice data processing module, video data processing module are arranged on below automobile instrument panel, described left and right sound channels loud speaker is arranged on vehicle right and left A post, and described Display Driver module, LCD liquid crystal display screen are arranged on automobile instrument panel centre position.
More specifically, the described vehicle-mounted DVB-T signal receiver arranging user's preferences program comprises further: described TS stream is made up of packet header and load, described packet header comprises a sync byte SYNC1 and three other bytes, described three other bytes are used for traffic identification, scrambling and control information, described load comprises the MPEG-2 data of 184 bytes, specifically being distributed as of three other bytes in described packet header, 1 transmission error code indication bit position, 1 initial indication bit position of clean data cell, 1 is transmitted priority bit position, 13 bag identifier PID bits, 2 are transmitted scrambling control bits position, control bit position, 2 self adaptation districts and 4 continuous counter bits.
More specifically, the described vehicle-mounted DVB-T signal receiver arranging user's preferences program comprises further: described vehicle-mounted DVB-T signal receiver is the Set Top Box STB receiving DVB-T digital TV broadcast signal.
Accompanying drawing explanation
Below with reference to accompanying drawing, embodiment of the present invention are described, wherein:
The block diagram of what Fig. 1 illustrated according to an embodiment of the present invention the arranged vehicle-mounted DVB-T signal receiver of user's preferences program.
Wherein, 1, user's input module; 2, user's log-in module; 3, user property memory; 4, user right authentication module; 5, manual attribute modification module; 6, automatic attribute modified module; 7, front end receiver module; 8, demultiplexing module; 9, voice data processing module; 10, video data processing module; 11, left and right acoustic channels loud speaker; 12, Display Driver module; 13, LCD liquid crystal display.
Embodiment
Below with reference to accompanying drawings the embodiment arranging the vehicle-mounted DVB-T signal receiver of user's preferences program of the present invention is described in detail.
Fig. 1 illustrates the block diagram arranging the vehicle-mounted DVB-T signal receiver of user's preferences program illustrated according to an embodiment of the present invention.Wherein for user vehicle provides the described vehicle-mounted DVB-T signal receiver of Digital TV Receiving service to comprise, user property memory 3, manual attribute modification module 5, automatic attribute modified module 6, left, right channel loudspeaker 11 and LCD liquid crystal display screen 13, manual attribute modification module 5 or automatic attribute modified module 6 are to comprising preference program queue, image display parameters, the user property of sound playing parameters carries out manual modification or automatically revises, left, right channel loudspeaker 11 and LCD liquid crystal display screen 13 are according to amended user property playing audio/video programs, described user property memory 3 stores each user property value after described automatic amendment or manual modification, the automatic amendment of described automatic attribute modified module 6 is the amendments according to carrying out the statistics of the history value of each user property.Further, described vehicle-mounted DVB-T signal receiver also comprises: user's input module 1, receive user profile and control information that user inputted by the button on remote controller or described receiver, described user profile comprises user's name and user cipher, described user profile also comprises common user's information, and described common user's information comprises common user's title and user cipher corresponding to described common user's title, user's log-in module 2, after described receiver starts, for user provides the graphic user interface logged in GUI, and connect described user's input module 1 to receive described user profile, and connect user right authentication module 4 to receive not common user login message or common user's login message of the transmission of described user right authentication module 4, user property memory 3, prestore each user profile, wherein each user profile comprises multiple attribute: user's name, user cipher, preference program queue, image display parameters, sound playing parameters, described preference program queue comprise the preference sequencing queue of program and described sequencing queue corresponding manually mark is set, the mark value that manually arranges of acquiescence is no, described sequencing queue comprises the multiple preference programme informations by the sequence of user's preferences degree, described image display parameters comprises contrast value, chromatic value, brightness value, described sound playing parameters comprises volume, user right authentication module 4, connect described user's log-in module 2 and described user property memory 3, the user's name of the user's name in the user profile received from described user's log-in module 2 and user cipher and each user profile prestored in described user property memory 3 and user cipher are mated, when fitting through and for not common user profile, not common user login message is sent to user's log-in module 2, and from described user property memory 3, find the preference program queue of described user, image display parameters, sound playing parameters, the preference program queue of described user is sent to the demultiplexing module 8 of described receiver, the image display parameters of described user is sent to the Display Driver module 12 of described receiver, the sound playing parameters of described user is sent to a left side for described receiver, right channel loudspeaker 11, when fitting through and for common user's information, common user's login message is sent to user's log-in module 2, manual attribute modification module 5, connect described user's log-in module 2, when after the not common user login message receiving described user right authentication module 4 transmission that described user's log-in module 2 forwards, according to the control information that user is inputted by the button on remote controller or described receiver, enter the graphic user interface GUI of attribute modification, be convenient to user carry out attribute modification and amended attribute be kept in described user property memory 3, when the multiple preference programme informations of user to described sequencing queue adjust, what described sequencing queue was corresponding manually arranged, and mark is automatically set as is, wherein user according to the needs that described sequencing queue is set manually or automatically revise described sequencing queue corresponding manually mark is set, automatic attribute modified module 6, connect described user property memory 3, watch that history comprises preference program queue according to user, image display parameters, the value of each attribute of sound playing parameters, calculate the statistical value of each attribute, wherein, image display parameters, the parameters statistical value of sound playing parameters is the mean value of parameters history use value, when the manual setting that the sequencing queue of preference program queue is corresponding is labeled as the statistical value calculating that no time side carries out having a preference for program queue, the sequencing queue of the preference program queue after calculating be according to each preference program history watch number of times sort after the sequencing queue of preference program queue, program queue will be had a preference for, image display parameters, the statistical value of each attribute of sound playing parameters is stored in described user property memory 3, front end receiver module 7, connect described user's log-in module 2, when described user's log-in module 2 receive described user right authentication module 4 send not common user login message or common user's login message after, modulation /demodulation is carried out to the digital TV broadcast signal of the DVB-T received, matched filtering maps with balanced, differential coding, symbol-byte, convolution deinterleaves, reed-solomon RS decoder, sync byte reverse and go randomization operation, flow with output transport stream TS, demultiplexing module 8, connect described front end receiver module 7 to flow to receive described TS, connect described user right authentication module 4 with receive described user preference program queue, be convenient to user by the button on remote controller or described receiver input comprise control information that program selects successively time, flow from described TS digitized audio message, the digital video information that demultiplexing successively goes out to have a preference for program according to the preference home network in preference program queue, voice data processing module 9, connects demultiplexing module 8 to receive digitized audio message, carries out audio decompression, digital-to-analogue conversion operation, and export simulated audio signal to digitized audio message, video data processing module 10, connects demultiplexing module 8 to receive digital video information, carries out video decompression operation to digital video information, and exports the digital video signal after decompressing, left and right sound channels loud speaker 11, connect voice data processing module 9 to receive simulated audio signal and to export the left channel audio signal corresponding with simulated audio signal and right channel audio signal respectively, connect described user right authentication module 4 to receive the sound playing parameters of described user to carry out volume adjustment to described left channel audio signal and right channel audio signal, Display Driver module 12, connect video data processing module 10 with the digital video signal after the decompression of receiving video data processing module, and carried out driving process to export the video data that applicable LCD liquid crystal display screen 13 shows by the digital video signal after decompressing, and connect described user right authentication module 4 to receive the image display parameters of described user to adjust the image display of LCD liquid crystal display screen 13, LCD liquid crystal display screen 13, connects Display Driver module 12 and receives the video data after driving process, being shown on its screen by described video data, wherein, user right authentication module 4 when described in fit through and for not common user profile time, the preference program queue of described user sent to the demultiplexing module 8 of described receiver, the image display parameters of described user sent to the Display Driver module 12 of described receiver, sent to by the sound playing parameters of described user the operation of the left and right sound channels loud speaker 11 of described receiver to be clocked flip, wherein, image display parameters, sound playing parameters also have respectively and manually arrange mark accordingly.
Wherein, the image display parameters of display comprises screen intensity, contrast and colourity.The brightness of television set i.e. the brightness of television screen, refer to accessible maximum light levels under whole white picture, unit is candela every square metre, and the brightness of LCD TV has backlight to provide, and plasm TV is then self luminous.When the contrast of television set refers to that this TV is the brightest (being alternatively white picture) with the darkest time (be alternatively that (ratio of picture, this value is larger, just can say that the color of TV is more gorgeous for black picture.But we are when watching TV, and contrast neither be the bigger the better.Contrast can make too by force image level reduce, and seems stiff, loses many image details.Contrast is adjusted too low, and image level also can be made to reduce, and seems to require great effort very much, also will like according to the vision of user oneself, do not pursue high-contrast simply so how to regulate.Color is made up of brightness and colourity, and colourity is then the character of the color not comprising brightness, his reflection be tone and the saturation of color.So also colourity just can be regarded as color saturation.
In addition, the described vehicle-mounted DVB-T signal receiver arranging user's preferences program comprises further: user's input module 1, user's log-in module 2, user property memory 3, user right authentication module 4, manual attribute modification module 5, automatic attribute modified module 6, front end receiver module 7, demultiplexing module 8, voice data processing module 9, video data processing module 10 is arranged on below automobile instrument panel, a described left side, right channel loudspeaker 11 is arranged on vehicle right and left A post, described Display Driver module 12, LCD liquid crystal display screen 13 is arranged on automobile instrument panel centre position.
In addition, the described vehicle-mounted DVB-T signal receiver arranging user's preferences program comprises further: described TS stream is made up of packet header and load, described packet header comprises a sync byte SYNC1 and three other bytes, described three other bytes are used for traffic identification, scrambling and control information, described load comprises the MPEG-2 data of 184 bytes, specifically being distributed as of three other bytes in described packet header, 1 transmission error code indication bit position, 1 initial indication bit position of clean data cell, 1 is transmitted priority bit position, 13 bag identifier PID bits, 2 are transmitted scrambling control bits position, control bit position, 2 self adaptation districts and 4 continuous counter bits.
Wherein, the full name of TS is then TransportStream.MPEG2-PS is mainly used in the program with fixing duration of storage, and as DVD film, MPEG-TS is then mainly used in the program transmitted in real time, the TV programme of such as real-time broadcast.The main distinction of these two kinds of forms is, if one will to cut (or being exactly simply corrupted data) before the vob file on DVD, whole file so will be caused to decode, and TV programme whenever turns on television set can decode (watching), so the feature of MPEG2-TS form requires it is all independently to decode from arbitrary fragment of video flowing.
In addition, the described vehicle-mounted DVB-T signal receiver arranging user's preferences program comprises further: described vehicle-mounted DVB-T signal receiver is the Set Top Box STB receiving DVB-T digital TV broadcast signal.Digital video switching box (SetTopBox, be called for short STB), box on so-called Set Top Box or machine is the equipment connecting television set and outside source.The digital signal of compression can be changed into television content by him, and shows on a television set.Signal can from wire cable, satellite antenna, broadband network and terrestrial broadcasting.Except the image that the content that Set Top Box receives can provide except simulated television, sound, be more to receive data content, comprise electronic program guides, internet webpage, captions etc.Make user can watch digital television program on existing television set, and carry out interactive digital amusement, education and commercialization activity by network.
Top box of digital machine is thought except the function of receiving digital television, also following functions can be comprised: (1) electronic program guides (EPG), there is provided an easy use, friendly interface to user, can want to see a kind of mode of program by fast access, user can see by this function the TV programme that the even all channels of one or more channel will be play in the recent period; (2) high-speed datacasting, can provide the various message such as quotations on the stock market, ticket information, electronic newspaper, Top Site to user; (3) on-line software updating, on-line software updating can one of the application regarding data broadcast as, upgrade software is broadcasted by DVB data broadcast standard by broadcast data server, Set Top Box can identify the version number of this software, receive this software when version is different, and the software preserved in memory is upgraded; (4) internet access and Email, top box of digital machine realizes internet access function easily by built-in cable modem, user can be surfed the Net by the browser that Set Top Box is built-in, send Email, also various interface can be provided to be connected with PC, with PC and Internet connection with set-top box; (5) Conditional Access, the core of Conditional Access is scrambling and encryption, and top box of digital machine should have descrambling and decipher function.
Adopt the vehicle-mounted DVB-T signal receiver that user's preferences program is set of the present invention, greatly improve the vehicle-mounted DVB-T signal receiver that original structure is single, for existing vehicle-mounted DVB-T signal receiver adds user management and individual character environment customisations function, pass through Subscriber Management System, while ensureing that the existing-quality television of the user using public account number receives, various operation is provided for using the user of personal account number, with customize manually or automatically oneself custom watch environment, when user's receiving digital television program, can enter fast oneself be familiar with watch in environment, thus facilitate user's watching DVB-T digital television program.
Be understandable that, although the present invention with preferred embodiment disclose as above, but above-described embodiment and be not used to limit the present invention.For any those of ordinary skill in the art, do not departing under technical solution of the present invention ambit, the technology contents of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solution of the present invention, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solution of the present invention protection.
Claims (2)
1. arrange a vehicle-mounted DVB-T signal receiver for user's preferences program, it is characterized in that, described vehicle-mounted DVB-T signal receiver comprises:
User property memory, manual attribute modification module, automatic attribute modified module, left, right channel loudspeaker and LCD liquid crystal display screen, manual attribute modification module or automatic attribute modified module are to comprising preference program queue, image display parameters, the user property of sound playing parameters carries out manual modification or automatically revises, left, right channel loudspeaker and LCD liquid crystal display screen are according to amended user property playing audio/video programs, described user property memory stores each user property value after described automatic amendment or described manual modification, the automatic amendment of described automatic attribute modified module is the amendment according to carrying out the statistics of the history value of each user property.
2. the vehicle-mounted DVB-T signal receiver of user's preferences program is set as claimed in claim 1, it is characterized in that, also comprise:
User's input module, receive user profile and control information that user inputted by the button on remote controller or described receiver, described user profile comprises user's name and user cipher, described user profile also comprises common user's information, and described common user's information comprises common user's title and user cipher corresponding to described common user's title;
User's log-in module, after described receiver starts, for user provides the graphic user interface logged in GUI, and connect described user's input module to receive described user profile, and connect user right authentication module to receive not common user login message or common user's login message of the transmission of described user right authentication module;
Described user property memory prestores each user profile, wherein each user profile comprises multiple attribute: user's name, user cipher, preference program queue, image display parameters, sound playing parameters, described preference program queue comprise the preference sequencing queue of program and described sequencing queue corresponding manually mark is set, the mark value that manually arranges of acquiescence is no, described sequencing queue comprises the multiple preference programme informations by the sequence of user's preferences degree, described image display parameters comprises contrast value, chromatic value, brightness value, described sound playing parameters comprises volume,
User right authentication module, connect described user's log-in module and described user property memory, the user's name of the user's name in the user profile received from described user's log-in module and user cipher and each user profile prestored in described user property memory and user cipher are mated, when fitting through and for not common user profile, not common user login message is sent to user's log-in module, and from described user property memory, find the preference program queue of described user, image display parameters, sound playing parameters, the preference program queue of described user is sent to the demultiplexing module of described receiver, the image display parameters of described user is sent to the Display Driver module of described receiver, the sound playing parameters of described user is sent to a left side for described receiver, right channel loudspeaker, when fitting through and for common user's information, common user's login message is sent to user's log-in module,
User's log-in module described in described manual attribute modification model calling, when after the not common user login message receiving the described user right authentication module transmission that described user's log-in module forwards, according to the control information that user is inputted by the button on remote controller or described receiver, enter the graphic user interface GUI of attribute modification, be convenient to user carry out attribute modification and amended attribute be kept in described user property memory, when the multiple preference programme informations of user to described sequencing queue adjust, what described sequencing queue was corresponding manually arranged, and mark is automatically set as is, wherein user according to the needs that described sequencing queue is set manually or automatically revise described sequencing queue corresponding manually mark is set,
Described automatic attribute modified module connects described user property memory, watch that history comprises preference program queue according to user, image display parameters, the value of each attribute of sound playing parameters, calculate the statistical value of each attribute, wherein, image display parameters, the parameters statistical value of sound playing parameters is the mean value of parameters history use value, when the manual setting that the sequencing queue of preference program queue is corresponding is labeled as the statistical value calculating that no time side carries out having a preference for program queue, the sequencing queue of the preference program queue after calculating be according to each preference program history watch number of times sort after the sequencing queue of preference program queue, program queue will be had a preference for, image display parameters, the statistical value of each attribute of sound playing parameters is stored in described user property memory,
Front end receiver module, connect described user's log-in module, when described user's log-in module receive described user right authentication module send not common user login message or common user's login message after, modulation /demodulation is carried out to the digital TV broadcast signal of the DVB-T received, matched filtering maps with balanced, differential coding, symbol-byte, convolution deinterleaves, reed-solomon RS decoder, sync byte reverse and go randomization operation, flow with output transport stream TS;
Demultiplexing module, connect described front end receiver module to flow to receive described TS, connect described user right authentication module with receive described user preference program queue, be convenient to user by the button on remote controller or described receiver input comprise control information that program selects successively time, flow from described TS digitized audio message, the digital video information that demultiplexing successively goes out to have a preference for program according to the preference home network in preference program queue;
Voice data processing module, connects demultiplexing module to receive digitized audio message, carries out audio decompression, digital-to-analogue conversion operation, and export simulated audio signal to digitized audio message;
Video data processing module, connects demultiplexing module to receive digital video information, carries out video decompression operation to digital video information, and exports the digital video signal after decompressing;
Described left and right sound channels loud speaker connects voice data processing module to receive simulated audio signal and to export the left channel audio signal corresponding with simulated audio signal and right channel audio signal respectively, connects described user right authentication module to receive the sound playing parameters of described user to carry out volume adjustment to left channel audio signal and right channel audio signal;
Display Driver module, connect video data processing module with the digital video signal after the decompression of receiving video data processing module, and carried out driving process to export the video data of applicable LCD liquid crystal display screen display by the digital video signal after decompressing, and connect described user right authentication module to receive the image display parameters of described user to adjust the image display of LCD liquid crystal display screen;
Described LCD liquid crystal display screen connects Display Driver module and receives the video data after driving process, is shown on its screen by described video data;
Wherein, user right authentication module when described in fit through and for not common user profile time, the preference program queue of described user sent to the demultiplexing module of described receiver, the image display parameters of described user sent to the Display Driver module of described receiver, sent to by the sound playing parameters of described user the operation of the left and right sound channels loud speaker of described receiver to be clocked flip;
Wherein, image display parameters, sound playing parameters also have respectively and manually arrange mark accordingly;
Described user's input module, described user's log-in module, described user property memory, described user right authentication module, described manual attribute modification module, described automatic attribute modified module, described front end receiver module, described demultiplexing module, described voice data processing module, described video data processing module are arranged on below automobile instrument panel, described left and right sound channels loud speaker is arranged on vehicle right and left A post, and described Display Driver module, described LCD liquid crystal display screen are arranged on automobile instrument panel centre position;
Described TS stream is made up of packet header and load, described packet header comprises a sync byte SYNC1 and three other bytes, described three other bytes are used for traffic identification, scrambling and control information, described load comprises the MPEG-2 data of 184 bytes, specifically being distributed as of three other bytes in described packet header, 1 transmission error code indication bit position, 1 initial indication bit position of clean data cell, 1 is transmitted priority bit position, 13 bag identifier PID bits, 2 are transmitted scrambling control bits position, control bit position, 2 self adaptation districts and 4 continuous counter bits;
Described vehicle-mounted DVB-T signal receiver is the Set Top Box STB receiving DVB-T digital TV broadcast signal.
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| CN201510650906.2A CN105245973B (en) | 2013-05-10 | 2013-05-10 | The vehicle-mounted DVB-T signal receiver of user's preferences program is set |
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| CN103237262A (en) | 2013-08-07 |
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