CN101977291A - RF4CE protocol-based multi-functional digital TV control system - Google Patents
RF4CE protocol-based multi-functional digital TV control system Download PDFInfo
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Abstract
The invention discloses an RF4CE protocol-based multi-functional digital TV control system, comprising an IP set-top box, a display terminal and a remote control, wherein the IP set-top box accesses to network through a DSL or Ethernet network mode; the display terminal comprises a network data processing unit, a central processing unit, a first coding and decoding module, an audio and video playback module and a first RF transceiver module; and the remote control comprises a second RF transceiver module, an ARM processor, a second coding and decoding module and a touch screen. Through integrating the touch screen on the remote control, the system can communicate with the display terminal synchronously to display TV screen pictures and voice on the remote control in real time, thus realizing two-way communication between the remote control and a digital TV terminal, so that the system is applicable to richer and stronger user interfaces, and in addition, the type of the input control command is various, thereby being beneficial to using, reducing power consumption and expanding effective control distance.
Description
Technical field
The present invention relates to a kind of Digital Television control system, relate in particular to a kind of multifunctional digital TV control system, belong to the digital television techniques field based on RF4CE.
Background technology
The appearance of Digital Television has brought a kind of brand-new television-viewing method to people, it has changed passive in the past television viewing mode, television terminal with the network be the basis realized watching as required, with seeing with the easy way of broadcasting, following development of television direction is exactly that direction towards demand mode develops.Digital Television also can provide other service, comprises data transmission, broadcast videography, service on net etc.The user can use television terminal to realize stock exchange, information inquiry, surf the web, check mailbox, send Email, online object for appreciation online game, download and playing network video, watch streaming media video (being IPTV) etc., make TV be endowed new purposes, expanded the function of TV, TV has been become the window of interaction from the window of sealing.Because the television terminal number of users is far away more than PC (PC) user, so have bright development prospect.
More and more universal along with Digital Television, function from strength to strength, supporting with it control system requires also more and more higher, existing control system can not satisfy aspect a lot of the user demand.For example, along with the function of Digital Television from strength to strength, menu setting becomes increasingly complex, if remote controller can only be with button form input of control commands, and has only the one-way communication function between television terminal equipment, and menu screen on the television terminal screen and feedback signal can't pass to remote controller, and then digital cable customers can be very complicated and loaded down with trivial details to controlling of TV.
Aspect Control on Communication, the consumer electronics industry is used infrared ray (IR) telecontrol engineering always over more than 30 year.But the communication that is based on the remote control unit of IR must be in the horizon range of device, and distance is very near.Along with the demand sustainable growth that people are bigger, with better function to screen size, connectivity requires higher consumer-elcetronics devices (as plasma and lcd screen), the IR technology is because its technology limitation, these main equipments of control that can't remain valid, so people press for more novel, solution flexibly.Overcome all technological deficiencies when using based on the controlled in wireless of RF4CE agreement, can reduce power consumption, promoted two-way communication, be applicable to abundant more user interface, and enlarged effective control distance with numerous electrical equipment such as large screen televisions.
Therefore, in order to solve the problems of the technologies described above, to design a kind of multifunctional digital TV control system and have necessary and far-reaching significance based on the RF4CE agreement.
Summary of the invention
The object of the present invention is to provide a kind of multifunctional digital TV control system, realize the two-way communication between remote controller and digital TV terminal, make it to be applicable to abundant more and powerful user interface based on RF4CE.
A kind of multifunctional digital TV control system based on the RF4CE agreement, comprise IP set-top box 1, display terminal 2, remote controller 3, described IP set-top box 1 is by DSL or Ethernet mode access network, described display terminal 2 comprises network data processing unit 4, CPU 5, the first coding and decoding module 6, audio-visual playing module 7, the one RF transceiver module 8, described network data processing unit 4 is connected in IP set-top box 1, carry out Data Communication in Computer Networks, described CPU 5 is connected in network data processing unit 4, network data flow is unpacked processing, the described first coding and decoding module 6 is connected in CPU 5, network data after unpacking is done the decoding computing, to produce image data stream and audio data stream, described audio-visual playing module 7 is connected in the first coding and decoding module 6, reception image data stream and audio data stream are also play, a described RF transceiver module 8 is connected in CPU 5, and the network data that CPU 5 transmission are come sends by the RF4CE agreement; Described remote controller 3 comprises the 2nd RF transceiver module 9, arm processor 10, the second coding and decoding module 11, touch display screen 12, described the 2nd RF transceiver module 9 receives the network data that display terminal 2 sends over by the RF4CE agreement, described arm processor 10 is connected in the 2nd RF transceiver module 9, network data is unpacked processing, the described second coding and decoding module 11 is connected in arm processor 10, network data after unpacking is done the decoding computing, to produce image data stream and audio data stream, described touch display screen 12 is connected in the second coding and decoding module 11, reception image data stream and audio data stream are also play, described touch display screen 12 also is connected in arm processor 10, hand-written touch-control instruction is sent to arm processor 10, arm processor 10 is that control signal sends the 2nd RF transceiver module 9 to hand-written touch-control instruction transformation, the 2nd RF transceiver module 9 sends control signal to CPU 5 by a RF transceiver module 8, the one RF transceiver modules 8 that the RF4CE agreement sends to display terminal 2.
Purpose of the present invention can also further realize by following technical measures:
Aforementioned a kind of multifunctional digital TV control system based on the RF4CE agreement, wherein remote controller 3 is provided with a speech-sound intelligent identification module 13, speech-sound intelligent identification module 13 comprises speech transducer 14, audio frequency processing circuit 15, speech recognition circuit 16, phonetic order memory 17, phonetic feature memory 18, signal encoding/decoding circuit 19, described speech transducer 14 links to each other with speech recognition circuit 16 by audio frequency processing circuit 15, speech recognition circuit 16 links to each other with signal encoding/decoding circuit 19, described phonetic order memory 17 respectively with speech recognition circuit 16, signal encoding/decoding circuit 19 links to each other, phonetic feature memory 18 respectively with speech recognition circuit 16, signal encoding/decoding circuit 19 links to each other, and described signal encoding/decoding circuit 19 links to each other with arm processor 10.
Aforementioned a kind of multifunctional digital TV control system based on the RF4CE agreement, wherein remote controller 3 has character identification function.
Compared with prior art, the invention has the beneficial effects as follows: realized the two-way communication between remote controller and digital TV terminal, made it to be applicable to abundant more and powerful user interface; Various informativeization of input of control commands is to be user-friendly to; Reduce power consumption, and enlarged effective control distance.
Description of drawings
Fig. 1 is a control system structure chart of the present invention;
Fig. 2 is a speech-sound intelligent identification module structure chart of the present invention.
Embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, multifunctional digital TV control system based on the RF4CE agreement, comprise IP set-top box 1, display terminal 2, remote controller 3, described IP set-top box 1 is by DSL or Ethernet mode access network, described display terminal 2 comprises network data processing unit 4, CPU 5, the first coding and decoding module 6, audio-visual playing module 7, the one RF transceiver module 8, described network data processing unit 4 is connected in IP set-top box 1, carry out Data Communication in Computer Networks, described CPU 5 is connected in network data processing unit 4, network data flow is unpacked processing, the described first coding and decoding module 6 is connected in CPU 5, network data after unpacking is done the decoding computing, to produce image data stream and audio data stream, described audio-visual playing module 7 is connected in the first coding and decoding module 6, reception image data stream and audio data stream are also play, a described RF transceiver module 8 is connected in CPU 5, and the network data that CPU 5 transmission are come sends by the RF4CE agreement; Described remote controller 3 comprises the 2nd RF transceiver module 9, arm processor 10, the second coding and decoding module 11, touch display screen 12, described the 2nd RF transceiver module 9 receives the network data that display terminal 2 sends over by the RF4CE agreement, described arm processor 10 is connected in the 2nd RF transceiver module 9, network data is unpacked processing, the described second coding and decoding module 11 is connected in arm processor 10, network data after unpacking is done the decoding computing, to produce image data stream and audio data stream, described touch display screen 12 is connected in the second coding and decoding module 11, reception image data stream and audio data stream are also play, described touch display screen 12 also is connected in arm processor 10, hand-written touch-control instruction is sent to arm processor 10, arm processor 10 is that control signal sends the 2nd RF transceiver module 9 to hand-written touch-control instruction transformation, the 2nd RF transceiver module 9 sends control signal to CPU 5 by a RF transceiver module 8, the one RF transceiver modules 8 that the RF4CE agreement sends to display terminal 2.As shown in Figure 2, remote controller 3 also is provided with a speech-sound intelligent identification module 13, speech-sound intelligent identification module 13 comprises speech transducer 14, audio frequency processing circuit 15, speech recognition circuit 16, phonetic order memory 17, phonetic feature memory 18, signal encoding/decoding circuit 19, described speech transducer 14 links to each other with speech recognition circuit 16 by audio frequency processing circuit 15, speech recognition circuit 16 links to each other with signal encoding/decoding circuit 19, described phonetic order memory 17 respectively with speech recognition circuit 16, signal encoding/decoding circuit 19 links to each other, phonetic feature memory 18 respectively with speech recognition circuit 16, signal encoding/decoding circuit 19 links to each other, and described signal encoding/decoding circuit 19 links to each other with arm processor 10.
The present invention carries out synchronous communication by integrated touch display screen 12 on remote controller 3 and video display terminal (VDT) 2, video screen picture, sound can be play on remote controller 3 in real time.Simultaneously can utilize remote controller 3 RTV remote television display terminals 2, when the user operates remote controller, this operation can be passed through button operation, phonetic order, touch screen operation, modes such as literal handwriting input are carried out, arm processor 10 is converted to control signal with various operational orders and sends to video display terminal (VDT) 2 through the 2nd RF transceiver module 9 and control, when control command is carried out in video display terminal (VDT) 2 relevant process information is fed back to remote controller 3, can utilize display terminal 2 to realize stock exchange, information inquiry, surf the web, check mailbox, send Email, online object for appreciation online game, download and the playing network video, even watch streaming media video functions such as (being IPTV).User's finger slides on touch display screen when touch screen operation, the capacitance of operating point on the touch display screen is changed, and the coordinate signal that the special-purpose control IC of establishing in the touch display screen will detect the capacitance change of user's operating point position and convert X, Y-axis to transmits to arm processor 10.Its detailed process is: the chip drives charge pulse of establishing in the described touch display screen 12 is by the sheet metal behind the touch display screen, and outwards send electric field by touch-screen, and when the finger near the time, electric field will be disturbed, just can detect the position of finger by measurement from the change amount of four jiaos of electric charges that collect or that send of touch-screen, and then use algorithm to process the signal into X, Y-axis coordinate.This capacitance touch control chip can offset drift thereby has been overcome calibration aging and that environmental change brings and depart from; The method of using the very long random pulses of burst interval to carry out the spread spectrum charging has greatly reduced power consumption, radio-frequency radiation and electrical Interference sensitiveness; In addition, owing on the touch pad Y-axis, adopt multiple spot to connect, thereby spatially isolated the capacity cell that forms by place, contact staff shade, the staff shadow effect also has been eliminated, based on this technology, the user only need point on touch pad gently and slide, just the cursor on the operation control terminal device screen flexibly.And, owing to adopted RF4CE communication protocol, overcome the restriction when the IR technology is used with large screen television, promoted two-way communication, realize that touch display screen shows, exports television image, sound synchronously.Both combinations make the present invention be applicable to control abundant more user interface, and the RF4CE communication technology enlarged effective service range, have reduced the use power consumption.Because remote controller touch display screen and television image, remote controller voice output and sound of television output are synchronously, the user also can carry out stock exchange, information inquiry, surfing on the net, inspection mailbox, send Email, online object for appreciation online game, download and playing network video even watch streaming media video functions such as (being IPTV) on the remote controller touch display screen.
In addition to the implementation, the present invention can also have other execution modes, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection range of requirement of the present invention.
Claims (3)
1. multifunctional digital TV control system based on the RF4CE agreement, comprise IP set-top box (1), display terminal (2), remote controller (3), described IP set-top box (1) is by DSL or Ethernet mode access network, it is characterized in that, described display terminal (2) comprises network data processing unit (4), CPU (5), the first coding and decoding module (6), audio-visual playing module (7), the one RF transceiver module (8), described network data processing unit (4) is connected in IP set-top box (1), carry out Data Communication in Computer Networks, described CPU (5) is connected in network data processing unit (4), network data flow is unpacked processing, the described first coding and decoding module (6) is connected in CPU (5), network data after unpacking is done the decoding computing, to produce image data stream and audio data stream, described audio-visual playing module (7) is connected in the first coding and decoding module (6), reception image data stream and audio data stream are also play, a described RF transceiver module (8) is connected in CPU (5), and the network data that CPU (5) transmission is come sends by the RF4CE agreement; Described remote controller (3) comprises the 2nd RF transceiver module (9), arm processor (10), the second coding and decoding module (11), touch display screen (12), described the 2nd RF transceiver module (9) receives the network data that display terminal (2) sends over by the RF4CE agreement, described arm processor (10) is connected in the 2nd RF transceiver module (9), network data is unpacked processing, the described second coding and decoding module (11) is connected in arm processor (10), network data after unpacking is done the decoding computing, to produce image data stream and audio data stream, described touch display screen (12) is connected in the second coding and decoding module (11), reception image data stream and audio data stream are also play, described touch display screen (12) also is connected in arm processor (10), hand-written touch-control instruction is sent to arm processor (10), arm processor (10) is that control signal sends the 2nd RF transceiver module (9) to hand-written touch-control instruction transformation, the 2nd RF transceiver module (9) sends to a RF transceiver module (8) of display terminal (2) by the RF4CE agreement, and a RF transceiver module (8) sends control signal to CPU (5).
2. the multifunctional digital TV control system based on the RF4CE agreement as claimed in claim 1, it is characterized in that, described remote controller (3) is provided with a speech-sound intelligent identification module (13), speech-sound intelligent identification module (13) comprises speech transducer (14), audio frequency processing circuit (15), speech recognition circuit (16), phonetic order memory (17), phonetic feature memory (18), signal encoding/decoding circuit (19), described speech transducer (14) links to each other with speech recognition circuit (16) by audio frequency processing circuit (15), speech recognition circuit (16) links to each other with signal encoding/decoding circuit (19), described phonetic order memory (17) respectively with speech recognition circuit (16), signal encoding/decoding circuit (19) links to each other, phonetic feature memory (18) respectively with speech recognition circuit (16), signal encoding/decoding circuit (19) links to each other, and described signal encoding/decoding circuit (19) links to each other with arm processor (10).
3. a kind of multifunctional digital TV control system based on the RF4CE agreement as claimed in claim 1 or 2 is characterized in that described remote controller (3) has character identification function.
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| WO2012139240A1 (en) * | 2011-04-11 | 2012-10-18 | Intel Corporation | Next generation television with content shifting and interactive selectability |
| CN103209351A (en) * | 2013-03-27 | 2013-07-17 | 四川长虹电器股份有限公司 | Method for controlling terminal device by using multi-touch remote control |
| US20130208192A1 (en) * | 2012-02-14 | 2013-08-15 | Lenovo (Beijing) Co., Ltd. | Remote controller and method for generating control signal |
| CN103281580A (en) * | 2013-05-31 | 2013-09-04 | 杨臧健 | Television set remote control method for separating user interface and system thereof |
| CN103475916A (en) * | 2012-06-08 | 2013-12-25 | 腾讯科技（深圳）有限公司 | Method of mirroring synchronization between controlled equipment and touch screen remote controller and system thereof |
| CN103631406A (en) * | 2012-08-20 | 2014-03-12 | 牛春咏 | Wireless touch screen control system and menu dynamic generation method of wireless touch screen control system |
| CN104238828A (en) * | 2013-06-13 | 2014-12-24 | 仁宝电脑工业股份有限公司 | Display device operation method and system |
| CN104301767A (en) * | 2014-09-29 | 2015-01-21 | 四川长虹电器股份有限公司 | Method for achieving synchronous television video playing on mobile phone |
| CN104616654A (en) * | 2014-10-13 | 2015-05-13 | 深圳中电数码显示有限公司 | Multimedia all-in-one machine and method for realizing its voice control |
| CN104918092A (en) * | 2015-07-03 | 2015-09-16 | 成都怡云科技有限公司 | Intelligent hotel remote controller |
| CN104918082A (en) * | 2015-07-03 | 2015-09-16 | 成都怡云科技有限公司 | Intelligent hotel set-top box remote controller with voice call function |
| CN104918091A (en) * | 2015-07-03 | 2015-09-16 | 成都怡云科技有限公司 | Intelligent hotel set-top box remote controller with voice recognition function |
| CN105230031A (en) * | 2013-05-10 | 2016-01-06 | 三星电子株式会社 | Remote control equipment, display unit and the method for controlling remote control equipment and display unit |
| US9547379B2 (en) | 2012-11-22 | 2017-01-17 | Huawei Technologies Co., Ltd. | Method, air mouse, and set top box for controlling air mouse |
| WO2017031719A1 (en) * | 2015-08-26 | 2017-03-02 | 北京传送科技有限公司 | Data transmission system |
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| CN103502980B (en) * | 2011-04-11 | 2016-12-07 | 英特尔公司 | There is content transfer and the Next Generation Television machine of interactive selection ability |
| CN107092619B (en) * | 2011-04-11 | 2021-08-03 | 英特尔公司 | Next generation television with content transfer and interactive selection capabilities |
| CN103502980A (en) * | 2011-04-11 | 2014-01-08 | 英特尔公司 | Next generation television with content shifting and interactive selectability |
| CN107092619A (en) * | 2011-04-11 | 2017-08-25 | 英特尔公司 | The Next Generation Television machine with interactive selection ability is shifted with content |
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| CN103631406A (en) * | 2012-08-20 | 2014-03-12 | 牛春咏 | Wireless touch screen control system and menu dynamic generation method of wireless touch screen control system |
| US9547379B2 (en) | 2012-11-22 | 2017-01-17 | Huawei Technologies Co., Ltd. | Method, air mouse, and set top box for controlling air mouse |
| CN103209351A (en) * | 2013-03-27 | 2013-07-17 | 四川长虹电器股份有限公司 | Method for controlling terminal device by using multi-touch remote control |
| CN105230031A (en) * | 2013-05-10 | 2016-01-06 | 三星电子株式会社 | Remote control equipment, display unit and the method for controlling remote control equipment and display unit |
| CN103281580A (en) * | 2013-05-31 | 2013-09-04 | 杨臧健 | Television set remote control method for separating user interface and system thereof |
| CN104238828A (en) * | 2013-06-13 | 2014-12-24 | 仁宝电脑工业股份有限公司 | Display device operation method and system |
| CN104301767A (en) * | 2014-09-29 | 2015-01-21 | 四川长虹电器股份有限公司 | Method for achieving synchronous television video playing on mobile phone |
| CN104616654A (en) * | 2014-10-13 | 2015-05-13 | 深圳中电数码显示有限公司 | Multimedia all-in-one machine and method for realizing its voice control |
| CN104918082A (en) * | 2015-07-03 | 2015-09-16 | 成都怡云科技有限公司 | Intelligent hotel set-top box remote controller with voice call function |
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| CN104918091A (en) * | 2015-07-03 | 2015-09-16 | 成都怡云科技有限公司 | Intelligent hotel set-top box remote controller with voice recognition function |
| CN104918082B (en) * | 2015-07-03 | 2018-10-19 | 成都怡云科技有限公司 | A kind of intelligent hotel set-top box remote controller with voice call function |
| WO2017031719A1 (en) * | 2015-08-26 | 2017-03-02 | 北京传送科技有限公司 | Data transmission system |
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Application publication date: 20110216 |