CN103067764B - A kind of television interface system for interactive TV - Google Patents

A kind of television interface system for interactive TV Download PDF

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Publication number
CN103067764B
CN103067764B CN201210126553.2A CN201210126553A CN103067764B CN 103067764 B CN103067764 B CN 103067764B CN 201210126553 A CN201210126553 A CN 201210126553A CN 103067764 B CN103067764 B CN 103067764B
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China
Prior art keywords
top box
set top
television
control
remote controller
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CN201210126553.2A
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CN103067764A (en
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刘希樨
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An Century (beijing) Technology Co Ltd
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An Century (beijing) Technology Co Ltd
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Abstract

The invention discloses a kind of television interface system for interactive TV, comprise television set (101), Set Top Box (102), unified remote controller (103), connection device (104), it is characterized in that: Set Top Box (102) is connected by connection device (104) with television set (101), the control program to TV is realized in Set Top Box, by unified remote controller (103), realize controlling while Set Top Box, television set.The described television interface system for interactive TV, utilize the RS232 serial ports between TV and Set Top Box, HDMI high definition media interface, by Set Top Box, realize controlling TV, only need a remote controller, the overall-in-one control schema to Set Top Box, television set can be completed.

Description

A kind of television interface system for interactive TV
Technical field
The present invention relates to a kind of television interface system for interactive TV, be specially adapted to interactive TV, television PC, the interface of TV set-top box all-in-one, connection, control, remote control, Set Top Box and television set are provided with the television interface system into and out of, control program step by connection device, remote controller connected system.
Background technology
Along with the popularization of Digital Television is with universal; Set Top Box starts to enter huge numbers of families; in the process using Digital Television; the problem of making us most perplexing is exactly that Set Top Box and TV all carry remote controller; can not be general mutually, in operation, often can need to be used alternatingly different remote controllers; bring a lot of inconvenience to user, have much room for improvement.
Summary of the invention
The object of the invention is to the deficiency overcoming background technology, a kind of television interface control system is provided.
The present invention is achieved in that a kind of television interface system for interactive TV, by television set, Set Top Box, remote controller, connection device four subsystem compositions, is characterized in that television set subsystem can be interactive TV, television PC, TV set-top box all-in-one, Set Top Box subsystem comprises separate set top box, television PC, TV set-top box all-in-one, connection device comprises serial ports RS232 connecting line, high definition media interface (HDMI) connecting line, remote controller is provided with Set Top Box, during television identical, control program comprises and is provided with more than one single-chip microcomputer as processor, its keyboard part is divided into TV remote-control key zone and set-top box keys district two parts, the decoding process of television set infrared receiving circuit carries out coded program to TV remote-control button, the decoding process of the infrared receiving circuit in Set Top Box carries out corresponding coded program to set-top box keys district, Set Top Box is connected by connection device with television set, Set Top Box is by network of relation and service system, coordinate the control program to television set, by unified remote controller, realize Set Top Box, control while television set.
Two probes are provided with in described remote controller, one is the transmitting probe of TV remote controller, one is transmitting probe corresponding to Set Top Box, when being pressed by button, two probes send infrared pulse simultaneously, and television set and Set Top Box receive the different infrared pulse of two string frequencies simultaneously, and two receiving circuits only accept the pulse train of oneself respective frequencies, and this pulse is decoded, response made by the receiving circuit that paired pulses carries out decoding.
Described Set Top Box and television set are connected to each other by connection device, and connected mode comprises the definition two kinds of following coding:
(201) Set Top Box is connected by serial ports RS232 with television set;
(202) Set Top Box is connected by high definition media interface HDMI with television set, is communicated by the CEC agreement of high definition media interface HDMI.
Described connected mode (201), comprises following coding definition content:
(201-1) television set 101 needs to provide serial ports RS232, and provides and carry out by serial ports RS232 the agreement that controls, and Set Top Box 101 is connected by serial ports RS232 with TV, according to the communication protocol of TV, controls TV.
Described connected mode (202), comprises following coding definition content:
(202-1) the CEC protocol integrated test system of high definition media interface HDMI supported by TV, there is provided and carry out by the CEC agreement of HDMI the agreement that controls, the CEC agreement of driving support to HDMI of Set Top Box is programmed, Set Top Box is connected by HDMI with television set, the software of Set Top Box controls CEC agreement, be connected with the HDMI of television set by Set Top Box, control TV.
Described is controlled television set by Set Top Box, and the definition of its control mode coding comprises as follows:
(301) define the shortcut key function of remote controller, the function of Set Top Box to button responds accordingly, by connection device and the control protocol between Set Top Box and television set, controls TV;
(302) at the TV display and control page, the content controlling the page is stored in service system, by showing in Internet Transmission to TV, selected control content by remote controller, after selection is determined, Set Top Box transmits the control information to service system, service system processes control information, then return to Set Top Box, Set Top Box, according to back information, is controlled TV by connection device.
Described network of relation comprises wired television network broadcast, ethernet local area network network, WLAN, or the combination of above-mentioned three kinds of networks.
Described control mode (302) coding definition comprises following content:
(302-1) Set Top Box is by browser or middleware display and control content;
(302-2) browser of Set Top Box or middleware directly can not control serial ports, need to forward from service system;
(302-3) need between Set Top Box and service system to consult control command agreement;
If (302-4) Set Top Box can directly and serial ports interprogram communication, then do not need by network and service system, control procedure directly completes in Set Top Box.
Invention achieves the purpose of design of expection, there is obvious feature and significant technological progress compared with original technology, in Set Top Box, realize the control program to TV, by unified remote controller, realize controlling while Set Top Box, television set.
Accompanying drawing explanation
Further describe in conjunction with the accompanying drawings and embodiments:
Fig. 1 is a kind of television interface system remote-controller circuit theory diagrams for interactive TV.
Fig. 2 is a kind of television interface system for interactive TV directly controls television set flow chart by remote controller, Set Top Box.
Fig. 3 be a kind of television interface system set-top box for interactive TV by network and service system, coordinated to television set control logical topology chart.
Fig. 4 is a kind of television interface system for interactive TV, the flow chart controlled television set by Set Top Box, service system.
Fig. 5 is a kind of television interface system for interactive TV, is directly controlled the flow chart of television set by remote controller, Set Top Box.
Fig. 6 is a kind of television interface system for interactive TV, set top box through network and service system, has coordinated the logical topology chart controlled television set.
Fig. 7 is a kind of television interface system for interactive TV, the flow chart controlled TV by Set Top Box, service system.
Fig. 8 is a kind of television interface system television machine for interactive TV back of the body interface exemplary plot.
Embodiment:
Digital coding in quoting in figure and describing and symbolic coding:
101, television set 102, Set Top Box 103, remote controller 104, connection device 105, network of relation 106, service system 107, TV control protocol STI5518, decoding chip
HDMI, high definition media interface RS232, serial ports QPSK, demodulation CPU, memory
The decoding of RS, Read-Solomon MPEG-2, transmission class SI, the very thin EPG of business, electronic program guides CA, conditional access QAM, demodulator TS, transmission class CEC, agreement 301, remote controller shortcut key 302, TV display and control page key
302-1, Set Top Box display and control 302-2, control serial ports 302-3, control command 302-4, serial ports program 201, interface 202, interface 201-1, interface 202-1, interface 1001, connector 1002, connector 1001-1, connector 1002-1, connector
For a television interface system for interactive TV, the code of described interface establishment and definition:
1001, Set Top Box is connected by RS232 serial ports with television set;
1002, Set Top Box is connected by HDMI with television set, is communicated by the CEC agreement of HDMI;
1001-1, need to provide serial ports (RS232),
1002-1, TV support that the CEC of HDMI controls;
2001, Set Top Box receives control command, needs to control TV;
2002, Set Top Box is according to the communication protocol of TV, and instruction is translated;
2003, Set Top Box is by connection device, sends instructions to TV;
2004, TV response limiting;
3001, the shortcut key of remote controller;
3002, TV display and control key;
3001-1, TV control shortcut key;
3001-2, sentence control instruction;
3001-3, move instruction;
3001-4, TV response limiting;
3002-100, aobvious control content;
3002-101, service system forward;
3002-102, control command agreement;
3002-103, control procedure;
3002-1, the aobvious control page;
3002-2, selection control item;
3002-3, transmission comformed information;
The information that 3002-4, analysis are determined;
3002-5, transmission instruction;
3002-6, receive instruction;
3002-7, instruction transformation form;
3002-8, transmission instruction;
3002-9, TV response limiting;
801, the switching of television mode;
802, TV open and close machine;
803, television standby, standby recovery;
804, volume controls;
805, channel controls;
806, the specified channel of television mode is jumped to;
807, TV current state obtains;
808, TV current channel information obtains;
901, the button of remote controller;
902, button is supplemented;
903, customization remote controller;
(6001) set top box through network, obtain from service system and control the page, the display and control page is on television; (6002) selected the item needing to carry out controlling by remote controller, then determine;
(6003) Set Top Box transmits comformed information to service system;
(6004) information determined of service system analysis, if need to control TV, then information is converted to the instruction that Set Top Box can identify, loopback is to Set Top Box;
(6005), after Set Top Box receives instruction, judge whether it is the instruction that TV is controlled, if the instruction controlled TV, according to the agreement that TV provides, the command format that instruction transformation becomes TV to identify, send to TV by connection device;
(6006) TV response limiting.
Remote control circuitry schematic diagram of the present invention is as Fig. 1.
In figure, the left side is keyboard matrix, each node on behalf button, and encode to keyboard matrix for PIC16C5X single-chip microcomputer in centre, the right is radiating circuit part.When in keyboard matrix, certain button is pressed, certain node connects circuit, and from 4 pin input signals of single-chip microcomputer, PIC16C5X encodes to this node signal, from 13 pin output triodes, drives radiating circuit, is sent by code signal.Two transmitting probe D1 and D2 on the right send the infrared signal of not frequency, two infrared receiving circuits accept the pulse train mated with oneself receive frequency, a receiving circuit energy paired pulses string is only had to be correctly decoded, and then make response, thus achieve to come can control television set and Set Top Box with a remote controller simultaneously.
Shown in Fig. 2, directly controlled the flow chart of TV by remote controller, Set Top Box.Comprise the steps:
(5001) remote controller sends control command, is sent to Set Top Box;
(5002) Set Top Box is analyzed instruction, according to the control protocol of TV, the control information that instruction transformation becomes TV to identify;
(5003) Set Top Box sending controling instruction is to TV;
(5004), after television reception to control command, instruction is responded.
As shown in Figure 3, set top box through network and service system, coordinated the logical topology chart controlled TV.This kind of situation, service system achieves the page controlled TV, display is obtained on TV by Set Top Box, selected by remote controller, then Set Top Box is sent to service system control information, and service system is according to the agreement of consulting with Set Top Box, control command is sent back to Set Top Box, Set Top Box again conversion instruction is the information that TV can identify, issues TV, realize the control to TV by connection device.
Shown in Fig. 4, flow chart TV controlled by Set Top Box, service system.Comprise the steps:
(6001) set top box through network, obtain from service system and control the page, the display and control page is on television;
(6002) selected the item needing to carry out controlling by remote controller, then determine;
(6003) Set Top Box transmits comformed information to service system;
(6004) information determined of service system analysis, if need to control TV, then information is converted to the instruction that Set Top Box can identify, loopback is to Set Top Box;
(6005), after Set Top Box receives instruction, judge whether it is the instruction that TV is controlled, if the instruction controlled TV, according to the agreement that TV provides, the command format that instruction transformation becomes TV to identify, send to TV by connection device;
(6006) TV response limiting.
Fig. 5 is in actual use, an instance graph of television interface.Wherein power line provides TV to power, and HDMI wire provides the content of TV to input, and Serial Port Line is exactly the interface line of RS232, realizes the transmission to television control information.
Embodiment 1: general remote controller
In order to realize object of the present invention, the present embodiment achieves the unification of TV, Set Top Box two remote controllers, the mentality of designing of the present embodiment is as follows: change to reduce circuit as far as possible, the infrared signal receiving circuit of television set and the infrared receiving circuit of Set Top Box are not changed by we, only make an amendment the circuit in remote controller.Concrete thought is as follows: remote controller adopts PIC16C5X single-chip microcomputer to design, and keyboard part is divided into TV remote-control key zone and two, set-top box keys district part.Decoding process according to television set infrared receiving circuit is encoded to degree TV remote-control button, according to the decoding process of the infrared receiving circuit in Set Top Box, corresponding coding is carried out to set-top box keys district simultaneously, when such television set and Set Top Box receive the pulse signal of remote controller transmission, just can decode accordingly to corresponding button.
In addition, due to the difference of the transmitting probe of two remote controllers, the signal frequency that remote controller sends is different, our solution is in remote controller, add two probes, one is the transmitting probe of TV remote controller, one is transmitting probe corresponding to Set Top Box, when being pressed by button, two probes send infrared pulse simultaneously, television set and Set Top Box receive the different infrared pulse of two string frequencies simultaneously, two receiving circuits only accept the pulse train of oneself respective frequencies, and this pulse is decoded, only just can make response by the paired pulses receiving circuit that carries out decoding.
The remote control circuitry schematic diagram of the present embodiment design is as Fig. 1.
In figure, the left side is keyboard matrix, each node on behalf button, and encode to keyboard matrix for PIC16C5X single-chip microcomputer in centre, the right is radiating circuit part.When in keyboard matrix, certain button is pressed, certain node connects circuit, and from 4 pin input signals of single-chip microcomputer, PIC16C5X encodes to this node signal, from 13 pin output triodes, drives radiating circuit, is sent by code signal.Two transmitting probe D1 and D2 on the right send the infrared signal of not frequency, two infrared receiving circuits accept the pulse train mated with oneself receive frequency, a receiving circuit energy paired pulses string is only had to be correctly decoded, and then make response, thus achieve to come can control television set and Set Top Box with a remote controller simultaneously.
Embodiment 2: without the expansion of remote controller Set Top Box and internet
Set Top Box digital television signal is converted to the connection television set of analog signal and the equipment of outside source, it carries out decoded back to the image compressed through wordization and voice signal, produce video and the sound quotation marks of simulation, provide high-quality TV programme by television indicator and stereo set to spectators.Current television set top box can only accept single digital television signal, and content is more single.In the present embodiment, in order to enabling Set Top Box accept different media signals as satellite digital TV, the network media, broadcast television signal, we expand the function of Set Top Box, Set Top Box can not only be received, resolve media signal, can also make it have and connect input-output equipment and the ability of carrying out exchanges data with it.
The digital TV set-top box of the present embodiment, from signal transacting and application operating, comprises following level:
Physical layer and link layer: comprise high-frequency tuning, QPSK demodulation, convolutional code decoder, deinterleaves, and RS (Read-Solomon) decodes, and amount of energy saving spreads.
Transport layer: comprise demultiplexing, is divided into video MPEG-2 transmission class, audio frequency and packet.
Program layer: comprise business very thin (SI), electronic program guide (EPG), graphical user interface, browser, remote control, CA etc.
Output interface: comprise analog video, audio interface, data-interface, keyboard and mouse etc.
Tuner (tuner) accepts the radiofrequency signal from wired network and down-converts to intermediate-freuqncy signal, carries out demodulation through qam demodulator, and output packet is containing the transmission class (TS) of audio frequency and video with other data messages.Multiple audio/video flow and some data messages is generally comprised in transmission class.TS flows demodulation multiplexer and is used for distinguishing different programs, proposes corresponding audio/video flow and data flow, sends into MPEG-2 decoder and resolves the reduction that software completes digital information accordingly.Video is sent into MPEG-2 Video decoding module and is decoded, and then outputs to PAL/NTSC encoder, is encoded into analog video signal, exporting through video output circuit.Audio frequency PES sends into audio decoder module and decodes, and exports pcm audio data and is transformed into stereo analog audio signal through D/AQ converter, export through audio output circuit.
Web-browsing and the different media files of resolving from server can be realized by connecting Internet to realize Set Top Box, and realizing the connection of USB input-output equipment, our design is as follows: the total system solution of STI5518+STV0297 single-definition cable digital TV machine set-top-box system solution as us selecting ST company.
This Set Top Box forms by with lower part: digital television broadcasting receiving front-end, mpeg decode, video and audio and graphics process, CPU and memory, and various interface circuit.Digital television broadcasting accepts front end and adopts integrated tuning demodulator to comprise tuner and qam demodulator, and this part can recall mpeg transport stream from radiofrequency signal Answer For China; Mpeg decode part comprises demultiplexing, and descrambling engine and mpeg decompression contracting, its output is flowed and data ECDC substantially for MPEG video and audio.Video and audio and graphics process part complete analog encoding and the graphics processing function of video and audio.CPU and memory module store and operating software system, and control module.Wherein mpeg decode, it is inner that video and audio and graphics process and CPU are all integrated in master chip STI5518.Interface circuit provides abundant external interface and comprises USB (universal serial bus) USB, the interfaces such as RS232, Ethernet.
What system power supply adopted is external power source module for power supply, input+30V, the direct voltages such as+22V ,+12V ,+5V+3.3V.
Workflow: the RF signal of input is carried out low noise amplification by the adjustment period of cable by front end integration tuning demodulator (by I2C bus) under the control of the CPU module of STI5518 inside, filtering and frequency conversion, convert thereof into intermediate-freuqncy signal I and the Q of two-way phase 90 °.
I and Q signal after A/D converter special trip digital signal, then carry out demodulation, exfoliating by QAM demodulation chip STV0297, and Reed-Suo Luo such as to decode at a series of process, become the transmission code stream (TS stream) meeting MPEG2 standard.Through demodulating TS flow data, enter STI5518. together with some marking signals by full segment interface
In STI5518, TS data separate sound through separating einnehmen function module, and video PES flows, and directly carries out audio/video decoding in inside, meanwhile, extracts the PCR information in code stream, for replying all the time; The PCM signal of audio decoder output audio, after the audio D/A conversion outside sheet and audio post-processing, exports the simulated audio signal of left and right acoustic channels; Video PES flows and export to rear end display device by the CVBS video compositing signal converting PAL/NTSC standard after inner expression video encoder DENC process under the cooperation of SDRAM.
The software solidification of Set Top Box is in flash, and after start, program is transferred in SDRAM and runs; The interface of system and user is front panel and OSD menu.Front panel has button and infraredly accepts transfer.By the information on mixed viewing OSD menu, by button or remote controller operation, front showing off after version is subject to information is sent in CPU, by CPU control realization concrete function.
Single-chip signal processor: being worth is SOC (systemonchip) chip of top box of digital machine, and this chip is the core of set-top-box system.This kind of chip functions is powerful, inherits powerful RSICCPU, MPEG2 decoder, multi-layer graphical engine, the video encoder of many standards and video DAC, audio frequency DAC, also has abundant peripheral interface, facilitates the system integration.
SDRAM: in digital set-top box system, the memory space needed when required memory space and inner mpeg2 decoder flow to row relax to PES when needing SDRAM to provide built-in with CPU to run.
FLASHmemory: in top box of digital machine, adopts flash storage storage system boot and working software usually
Peripheral interface: top box of digital machine master chip inherits abundant peripheral interface usually, facilitates the system integration.As integrated I2C bus interface, provide the eeprom memory of control and the link storing subscriber information reading digit tuner; Integrated programmable TS flows several mouthfuls, supports and the seamless link of digital high frequency head output signal; Integrated UART (universalasynchronousreceiver/transmitter, universal asynchronous acceptance/transmitter) interface, facilitates the communication with other equipment such as PC; Integrated infrared interface, to accept the control of remote control equipment, integrated SMART card interface, to facilitate connection card-reading apparatus, realizes CA (conditionalaccess) function etc.
External equipment: top box of digital machine master chip also inherits the external bus interface of PLC technology usually, by the control to corresponding registers, user can connect multiple external equipment, to make its function more powerful, as connected USB controller, to realize the support of USB device; Connection ID E (intergrateddriverelectronics ide) interface equipment, to support to mount hard disk; Connect Ethernet (Ethernet) controller, get involved function etc. to realize Ethernet.
Audio frequency and video treatment circuit: peripheral audio frequency and video circuit exports ground audio-video signal to master chip and carries out some process, and as filtering, amplification waits and presents image to be supplied to simulated television, and sound is to spectators.
Embodiment 3
In order to more clearly understand technology contents of the present invention, describe in detail especially exemplified by following examples.After reading following embodiment, how those skilled in the art realizes the present invention by clear in embodiment and candidate's application.But, although various embodiment of the present invention will be described here, but be to be understood that these embodiments just provide as an example, and and do not mean that restriction.Similarly, should not be interpreted as limiting the scope of the invention or amplitude to the detailed description of various embodiment.
As shown in Figure 1, the connection logic diagram of TV and Set Top Box, TV and Set Top Box are connected to each other by connection device, and control information is transmitted by connection device.The HDMI that connection device comprises RS232 serial ports or band CEC control connects.Need the relevant interface of TV support and provide control protocol, Set Top Box realizes agreement.
As shown in Figure 2, the flow chart of TV is directly controlled by remote controller, Set Top Box.Comprise the steps:
(5001) remote controller sends control command, is sent to Set Top Box;
(5002) Set Top Box is analyzed instruction, according to the control protocol of TV, the control information that instruction transformation becomes TV to identify;
(5003) Set Top Box sending controling instruction is to TV;
(5004), after television reception to control command, instruction is responded.
As shown in Figure 3, set top box through network and service system, coordinated the logical topology chart controlled TV.This kind of situation, service system achieves the page controlled TV, display is obtained on TV by Set Top Box, selected by remote controller, then Set Top Box is sent to service system control information, and service system is according to the agreement of consulting with Set Top Box, control command is sent back to Set Top Box, Set Top Box again conversion instruction is the information that TV can identify, issues TV, realize the control to TV by connection device.
As shown in Figure 4, by flow chart that Set Top Box, service system control TV.Comprise the steps:
(6001) set top box through network, obtain from service system and control the page, the display and control page is on television; (6002) selected the item needing to carry out controlling by remote controller, then determine;
(6003) Set Top Box transmits comformed information to service system;
(6004) information determined of service system analysis, if need to control TV, then information is converted to the instruction that Set Top Box can identify, loopback is to Set Top Box;
(6005), after Set Top Box receives instruction, judge whether it is the instruction that TV is controlled, if the instruction controlled TV, according to the agreement that TV provides, the command format that instruction transformation becomes TV to identify, send to TV by connection device;
(6006) TV response limiting.
Fig. 5 is in actual use, an instance graph of television interface.Wherein power line provides TV to power, and HDMI wire provides the content of TV to input, and Serial Port Line is exactly the interface line of RS232, realizes the transmission to television control information.
Be more than the description of the preferred embodiments of the present invention, but use various alternative way, amendment and equivalent way to be possible.Therefore, should not be with reference to above describe but as an alternative should with reference to claims together with they completely equivalent scope to determine scope of the present invention, no matter whether preferred any feature as described herein can with no matter whether any other Feature Combination preferred as described herein, thus, the present invention is not intended to limit to and embodiment shown here, but should meet the most wide region suppressed with principle disclosed herein and novel feature.

Claims (7)

1. the television interface system for interactive TV, by television set (101), Set Top Box (102), remote controller (103), connection device (104) four subsystem compositions, it is characterized in that television set (101) subsystem can be interactive TV, television PC, TV set-top box all-in-one, Set Top Box (102) subsystem comprises separate set top box, television PC, TV set-top box all-in-one, connection device (104) comprises serial ports RS232 connecting line, high definition media interface HDMI connecting line, remote controller (103) is provided with Set Top Box (102), TV (101) simultaneously control program comprises and is provided with more than one single-chip microcomputer as processor, its keyboard part is divided into television set (101) remote keying district and set-top box keys district two parts, the decoding process of television set infrared receiving circuit carries out coded program to TV remote-control button, the decoding process of the infrared receiving circuit in Set Top Box carries out corresponding coded program to set-top box keys district, Set Top Box (102) is connected by connection device (104) with television set (101), Set Top Box (102) is by network of relation (105) and service system (106), coordinate the control program to television set, by unified remote controller (103), realize Set Top Box (102), control while television set (101),
Two probes are provided with in described remote controller (103), one is the transmitting probe of television set (101) remote controller, one is transmitting probe corresponding to Set Top Box (102), when there being button to press, two probes send infrared pulse simultaneously, television set (101) and Set Top Box (102) receive the different infrared pulse of two string frequencies simultaneously, two receiving circuits only accept the pulse train of oneself respective frequencies, and this pulse is decoded, response made by the receiving circuit that paired pulses carries out decoding.
2. a kind of television interface system for interactive TV according to claim 1, it is characterized in that described Set Top Box (102) and television set (101) are connected to each other by connection device (104), connected mode comprises the definition two kinds of following coding:
(201) Set Top Box (102) is connected by serial ports RS232 with television set (101);
(202) Set Top Box (102) is connected by high definition media interface HDMI with television set (101), is communicated by the CEC agreement of high definition media interface HDMI.
3. a kind of television interface system for interactive TV according to claim 2, is characterized in that described connected mode (201), comprises following coding definition content:
(201-1) television set (101) needs to provide serial ports RS232, and provide and carry out by serial ports RS232 the agreement that controls, Set Top Box (102) is connected by serial ports RS232 with TV, according to the communication protocol of TV, controls TV.
4. a kind of television interface system for interactive TV according to claim 2, is characterized in that described connected mode (202), comprises following coding definition content:
(202-1) the CEC protocol integrated test system of high definition media interface HDMI supported by TV, there is provided and carry out by the CEC agreement of HDMI the agreement that controls, the CEC agreement of driving support to HDMI of Set Top Box (102) is programmed, Set Top Box (102) is connected by HDMI with television set (101), the software of Set Top Box (102) controls CEC agreement, be connected by the HDMI of Set Top Box (102) with television set (101), control TV.
5. a kind of television interface system for interactive TV according to claim 1, is characterized in that described being controlled television set (101) by Set Top Box (102), and the definition of its control mode coding comprises as follows:
(301) the shortcut key function of remote controller is defined, Set Top Box (102) function to button responds accordingly, by connection device (104) and the control protocol between Set Top Box (102) and television set (101), TV is controlled;
(302) at the TV display and control page, the content controlling the page is stored in service system, by showing in Internet Transmission to TV, by remote controller (103), control content is selected, after selection is determined, Set Top Box (102) transmits the control information to service system (106), service system (106) processes control information, then Set Top Box (102) is returned to, Set Top Box (102), according to back information, is controlled TV by connection device (104).
6. a kind of television interface system for interactive TV according to claim 1, it is characterized in that described network of relation (105) comprises wired television network broadcast, ethernet local area network network, WLAN, or the combination of above-mentioned three kinds of networks.
7. a kind of television interface system for interactive TV according to claim 5, is characterized in that described control mode (302) coding definition comprises following content:
(302-1) Set Top Box (102) is by browser or middleware display and control content;
(302-2) browser of Set Top Box (102) or middleware directly can not control serial ports, need to forward from service system;
(302-3) need to consult control command agreement between Set Top Box (102) and service system (106);
If (302-4) Set Top Box (102) can directly and serial ports interprogram communication, then do not need by network (105) and service system (106), control procedure directly completes in Set Top Box (102).
CN201210126553.2A 2011-10-21 2012-04-26 A kind of television interface system for interactive TV Expired - Fee Related CN103067764B (en)

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