CN103067747A - Interactive digital TV display mode - Google Patents
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Abstract
The invention discloses an interactive digital TV display mode. The interactive digital TV display mode is characterized in that a system used by the interactive digital TV display mode comprises a television (101), a set top box (102), a related network (103), a service system (104), a memory system (105), video information source (106) and interactive information (107), wherein the video information source (106) and the interactive information (107) are stored in the memory system (105), managed by the service system (104), sent to the set top box (102) by the related network (103), and displayed by the television (101) after being analyzed by the set top box (102), in the content displayed, the video information source is taken as a background, the interactive information is taken as a foreground, and the interactive information is floated on the video information source by using a technology of video overlay. According to the interactive digital TV display mode, the advantage of the digital TV set top box can be fully played, an interactive characteristic can be embodied, and the visual experience and the operational experience of users can be improved.
Description
Technical field
The invention belongs to television set display unit, software, be specially adapted on digital television interaction content be shown, specifically take video as background, the interactive information content is floated on video background, the method that the technology of employing stack realizes.
Background technology
Along with popularizing of digital television interaction, little by little changed everybody to the use habit of TV, the picture of interactive operation and high definition brings different visual experiences to the beholder.At this stage, operator's emphasis still in the turn over of network, is not paid close attention to the user to the requirements at the higher level of vision too much, adapts to the demand in market, and technology haves much room for improvement.
Summary of the invention
The object of the invention is to overcome the display mode that original technical deficiency provides a kind of digital television interaction, the expansion field of interactive television, on digital television interaction, content is shown, specifically take video as background, the interactive information content is floated on video background, the method that the technology of employing stack realizes.
The present invention is achieved in that a kind of display mode of digital television interaction, by TV, the set-top box network of relation, service system, storage system, video source, interactive information forms digital television interaction display mode expansion platform, it is characterized in that showing that the expansion of carrier TV comprises TV, television PC, the TV set-top box all-in-one, intelligent terminal, the expansion of set-top box carrier comprises independently set-top box, television PC, the TV set-top box all-in-one, computer, intelligent terminal, the network relevant with the expansion platform Carrier-matching comprises the wired broadcasting TV network, the ethernet local area network network, WLAN, the Internet, the perhaps combination of above-mentioned network, comprise the coding of broadcast television signal with the service system of net mate, modulating system, interactive information, the management system of local video, display mode expansion platform storage system store video information source, interactive information, the video source expansion comprises local video, external video, the interactive information expansion comprises the content picture of electronic program list (EPG) and other interactive columns, the combination of literal or picture and letter, at first video source and interactive information are kept in the storage system, managed by service system again, send set-top box to by network of relation, set-top box shows by TV after resolving, the content that shows is take video source as background, interactive information is prospect, and interactive information floats on video.
The system that described set-top box is provided with set-top box supports video background to add the display mode that interaction content floats, and the software that browser, middleware or other set-top box of the demonstration of interaction content by set-top box provides is realized.
Described video source local video is kept in the storage system, and external video is provided by operator, encodes, modulates by service system, enters network of relation and transmits.
Described video source, its form be TS, MPEG-1, MPEG-2, H.264, FLV, 5 above video formats, set-top box is supported the broadcast of this kind format video.
Described take video as background, the interaction content superimposing technique on video of floating, can there be dual mode in the source of background video:
Mode one definition coding:
(1001) video background is kept in the local storage system, enters communication network by program request, broadcasting, multicast mode;
(1002) if the some broadcast mode, set-top box initiatively sends the video background request to service system, service system finds suitable video background, being transferred to set-top box in the mode of data flow plays, when finishing playing or need to change background video, set-top box sends request to server, is play by the background video that server stops to play or more renews;
(1003) if broadcasting or multicast mode, after the startup of server, find out the background video that all need to be play, carry out respectively loop play according to the channel resource that distributes, the set-top box end need to obtain the distribution condition of channel resource, can dynamically switch to needed background video passage, obtain video information and play.
Mode two definition codings:
(2001) video background derives from the operators such as broadcasting and TV, telecommunications, by the unified video source that provides of operator.Video source is uninterruptedly play according to the channel resource that operator distributes;
(2002) set-top box need to obtain the assignment information of channel resource, the interaction content that provides according to service system, and to the appointment of channel resource, dynamically switch to corresponding passage, and obtain vision signal, play.
Design of the present invention is compared with original technology has obvious characteristics and significant technological progress, expand at digital television interaction, content is shown, specifically take video as background, the interactive information content is floated on video background, the content that shows is take video source as background, interactive information is prospect, interactive information floats on described video, then with the position of described interactive information floating area, the controlled system of large I is implemented freely to adjust, the demonstration of last interactive information is by the browser of set-top box, other softwares that middleware or set-top box provide are realized, the method that the technology of employing stack realizes.
Description of drawings
Further describe in conjunction with the accompanying drawings and embodiments:
Fig. 1 is a kind of display packing of digital television interaction, the logical schematic of demonstration.
Fig. 2 is that a kind of display packing background video of digital television interaction separates the logical topology of transmitting with interaction content.
Fig. 3 is a kind of display packing background video of digital television interaction and the logical topology that interaction content transmits at Unified Network.
Fig. 4 is a kind of display packing of digital television interaction, the sequential chart of set-top box and service system transmission background video and interaction content.
Fig. 5 is an a kind of instance graph of display packing of digital television interaction.
Fig. 6 is a kind of display packing data of set top box flow chart of digital television interaction.
Fig. 7 is a kind of display packing set-top-box system figure of digital television interaction.
Embodiment:
Reach the definition of coding, letter representation in the narration among the figure:
101, TV 102, set-top box 103, network of relation 104, service system
105, storage system 106, video source 107, interactive information CA, conditional access TS, data message transmits stream EPG, electronic program list MPEG, moving image FLV, video format XML, extend markup language HTML, HTML EEPROM, electricallyerasable ROM (EEROM) PC, personal computer SMART, integrated SMART card interface SDRAM Synchronous Dynamic Random Access Memory CPU, central memory TSC-system formula, whole nation television committee standard.
Other software kit that described set-top box 102 middlewares or set-top box provide, setting program procedure module: be to convert digital television signal to the connecting TV machine of analog signal and the equipment of outside source, to the reduction of decoding through the image of word compression 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, set-top box can be accepted different media signals and comprise satellite digital TV, the network media, broadcast television signal, connecting Internet is realized web-browsing and the different media files of resolving from server, realize the connection of the input-output equipment such as USB, select the STI5518+STV0297 single-definition cable digital TV machine set-top box total system scheme of ST company to be formed by following part: the digital television broadcasting receiving front-end, mpeg decode, depending on audio frequency and graphics process, CPU and memory, and various interface circuit, digital television broadcasting is accepted front end and is adopted integrated tuning demodulator to comprise tuner and qam demodulator, and this part can access mpeg transport stream from the radiofrequency signal Answer For China; Mpeg decode partly comprises demultiplexing, descrambling engine and mpeg decompression contracting, it is output as MPEG and looks audio frequency Basic Flow and data ECDC, partly finish analog encoding and the graphics processing function of looking audio frequency depending on audio frequency and graphics process, CPU and memory module are stored and the operating software system, and module controlled, mpeg decode wherein, it is inner all to be integrated in master chip STI5518 depending on audio frequency and graphics process and CPU, interface circuit provides external interface to comprise USB (universal serial bus) USB, RS232, the interfaces such as Ethernet
What system power supply adopted is the external power source module for power supply, input+30V, and+22V ,+12V, the direct voltages such as+5V+3.3V,
Workflow: the integrated tuning demodulator of front end carries out low noise amplification in (by the I2C bus) under the control of the CPU of STI5518 inside module by cable the adjustment period with the RF signal of input, filtering and frequency conversion, convert thereof into intermediate-freuqncy signal I and the Q of 90 ° of two-way phase phasic differences
I and Q signal are made a special trip to a certain place through A/D converter after the digital signal, carry out demodulation by QAM demodulation chip STV0297 again, exfoliating, a series of processing such as Reed-Suo Luo decode, become the transmission code stream (TS stream) that meets the MPEG2 standard, through demodulating the TS flow data, enter STI5518 together with some marking signals by full segment interface
In STI5518, the TS data are told sound through separating the einnehmen function module, video PES stream, and directly carry out audio/video decoding in inside, and simultaneously, extract the PCR information in the code stream, be used for replying all the time; The PCM signal of audio decoder output audio, after audio frequency digital to analog conversion and audio post-processing outside the sheet, the simulated audio signal of output left and right acoustic channels; Video PES stream converts the CVBS video compositing signal of PAL/NTSC standard to and exports to the rear end display device after the expression video encoder DENC processing by inside under the cooperation of SDRAM,
The software solidification of set-top box is in flash, and program is transferred among the SDRAM and moves after the start; System and user's interface is front panel and OSD menu.Front panel has button and infraredly accepts transfer.With mixed information of watching on the OSD menu, by button or remote controller operation, the front version of showing off is subject to being sent among the CPU after the information, realizes concrete function by CPU control,
The single-chip signal processor: be SOC (the system on chip) chip of top box of digital machine, this chip is the core of set-top-box system.This class chip functions is powerful, has inherited powerful RSIC CPU, the MPEG2 decoder, and the multi-layer graphical engine, the video encoder of many standards and video DAC, audio frequency DAC also has abundant peripheral interface, makes things convenient for the system integration;
SDRAM: in the digital set-top box system, need SDRAM provide built-in with CPU when operation required memory space and the memory space of inner mpeg2 decoder needs when PES stream is processed,
FLASH memory: in the top box of digital machine, usually adopt Flash storage system boot and working software;
Peripheral interface: the top box of digital machine master chip has been inherited abundant peripheral interface usually, has made things convenient for the system integration.Such as integrated I2C bus interface, provide the control of reading word tuner and the eeprom memory of link storing subscriber information; Several mouthfuls of integrated programmable TS streams are supported and the seamless link of digit tuner output signal; Integrated UART (universal asynchronous receiver/transmitter), universal asynchronous acceptance/transmitter) interface has made things convenient for and the communicating by letter of other equipment such as PC; Integrated infrared interface, to accept the control of remote control equipment, integrated SMART card interface with the convenient card-reading apparatus that connects, is realized CA (conditional access) function etc.;
External equipment: the top box of digital machine master chip has also been inherited the external bus interface of control able to programme usually, by the control to corresponding registers, the user can connect multiple external equipment, so that its function is more powerful, as connect the USB controller, to realize the support of USB device; Connection ID E (intergrated driver electronics ide) interface equipment is to support to articulate hard disk; Connect Ethernet (Ethernet) controller, get involved function etc. to realize Ethernet
Described modulation link, on signal processing and application operating, comprise following level: physical layer and link layer: comprise high-frequency tuning, QPSK demodulation, convolutional code decoder, deinterleave, RS (Read-Solomon) decoding, amount of energy saving diffusion, transport layer: comprise demultiplexing, MPEG-2 is transmitted stream be divided into video, audio frequency and packet; Program layer: comprise professional 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.
Described high-frequency tuning is provided with acceptance from the radiofrequency signal of wired network and down-converts to intermediate-freuqncy signal, carry out demodulation through qam demodulator, output comprises the transmission stream TS of audio frequency and video and other data messages, transmit in the stream and comprise 3 with last audio/video flow and some data messages, TS stream demodulation multiplexer is used for distinguishing different programs, corresponding audio/video flow and data flow are proposed, send into MPEG-2 decoder and corresponding parsing software and finish the reduction of digital information, video is sent into MPEG-2 video decode module and is decoded, then output to the PAL/NTSC encoder, be encoded into analog video signal, exporting through video output circuit, audio frequency PES sends into the audio decoder module and decodes, and output pcm audio data are transformed into stereo simulated audio signal through the D/AQ converter, export through audio output circuit.
The content of described demonstration is take video source as background, and there is the dual mode step in its source of background video:
The coding of mode one, definition step:
(201) background video is kept in the local storage system, perhaps in the storage system at center;
(202) service system obtains video, by modulation, transmits video and flows in the network;
(203) set-top box is connected to network, according to the prompting of interaction content, reads the video flowing of appointment and plays;
The coding of mode two, definition step:
(301) background video derives from the operators such as broadcasting and TV, telecommunications, by the unified video source that provides of operator;
(302) video source is uninterruptedly play according to the channel resource that operator distributes;
(303) set-top box is connected to network, according to the prompting of interaction content, reads the video flowing of appointment and plays.
(202) of its source mode one of described background video are described, and service system has two kinds of methods to the modulation of background video:
The coding of method one, be defined as follows:
(202-1) service system provides the background video access of a broadcast mode,
(202-2) set-top box is to service system request interactive information content,
(202-3) service system sends the interactive information content to set-top box according to the sign of request, has comprised simultaneously the information of background video,
After (202-4) set-top box is received the information content, analyze, show, simultaneously according to the prompting of content, send the request of background video to service system,
(202-5) service system finds the background video of appointment, sends set-top box in the mode of data flow,
(202-6) set-top box is received video data stream, plays in the mode of background, shows on TV, and the information content is floated is presented on the background video simultaneously,
(202-7) when the user operates switch contents, set-top box sends handover request to server, if need to change background video, then the set-top box request server stops the broadcast of current background video, then repeat (202-3)-(202-6) step, otherwise, only change the information content of floating on background video
(202-8) when the user need to stop content play, set-top box sends request to service system, and service system stops the broadcast of background video;
Method two is encoded, is defined as follows:
(202-100) service system adopts broadcasting or multicast mode, transmits background video,
(202-101) service system is determined first all background videos that will play,
(202-102) find background video after, service system is that these background videos distribute and plays channel resource,
(202-103) according to the channel resource that distributes, difference loop play background video,
(202-104) set-top box need to obtain the distribution condition of channel resource,
(202-105) set-top box obtains the corresponding background video of each content from the interactive information content,
(202-106) according to different content column requirements, set-top box switches to the passage of appointment, obtains the background video data and plays, and the information content is floated is presented on the background video simultaneously.
(202-3) service system sends the interactive information content to set-top box according to the sign of request, has comprised simultaneously the information of background video
After (202-4) set-top box is received the information content, analyze, show, according to the prompting of content, send the request of background video to service system simultaneously
(202-5) service system finds the background video of appointment, sends set-top box in the mode of data flow
(202-6) set-top box is received video data stream, plays in the mode of background, shows on TV, and the information content is floated is presented on the background video simultaneously
(202-7) when the user operates switch contents, set-top box sends handover request to server, if need to change background video, then the set-top box request server stops the broadcast of current background video, then repeat (202-3)-(202-6) step, otherwise, only change the information content of floating on background video
(202-8) when the user need to stop content play, set-top box sends request to service system, and service system stops the broadcast of background video;
Method two is encoded, is defined as follows:
(202-100) service system adopts broadcasting or multicast mode, transmits background video
(202-101) service system is determined first all background videos that will play
(202-102) find background video after, service system is that these background videos distribute and plays channel resource
(202-103) according to the channel resource that distributes, difference loop play background video
(202-104) set-top box need to obtain the distribution condition of channel resource
(202-105) set-top box obtains the corresponding background video of each content from the interactive information content
(202-106) according to different content column requirements, set-top box switches to the passage of appointment, obtains the background video data and plays, and the information content is floated is presented on the background video simultaneously.
According to above-mentioned design, the inventor provides 3 embodiment:
Embodiment 1
In order more clearly to understand technology contents of the present invention, describe in detail especially exemplified by following examples.After reading following embodiment, those skilled in the art will know how to realize the present invention in embodiment and candidate's application.Yet, although will describe various embodiment of the present invention here, but be to be understood that these embodiment 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.
See also shown in Figure 1, the display packing of a kind of digital television interaction disclosed in this invention, the content that shows is divided into background video, interactive information content display region two parts, wherein, background video is to play at background layer, the interactive information content is floated on the background video layer, and two region overlappings partly adopt video, Graphics overlay Display Technique to realize.
As shown in Figure 2, the external video information source is independently being transmitted in the network after ovennodulation, and the interactive information content is managed by service system, by other Internet Transmission.Set-top box is linked into two networks simultaneously, and service system is preserved the channel resource information of video source, and set-top box switches to the transmission of video passage of appointment when showing the interactive information content, play background video.
As shown in Figure 3, video source and interactive information content are transmitted by same network.Video source is kept in the storage system, and the request of service system receiving set up box transmits the interactive information content to set-top box, simultaneously, according to the request of set-top box, obtains the data of video source, sends set-top box in the mode of data flow.
As shown in Figure 4, be the mutual sequential chart of set-top box and service system.Comprise the step coding, be defined as follows:
(2001) set-top box is received user's operational order, sends the request of interactive information content to service system;
(2002) after service system is received the request of set-top box, analyze, send the interactive information content to set-top box, comprising the information of background video;
(2003) set-top box is analyzed the interactive information content, again sends the transmission request of background video to service system;
(2004) after service system is received the request of background video, find specified background video resource, transmit;
(2005) set-top box receives that background is vision signal, plays, and shows that simultaneously the interactive information content is on video layer;
(2006) set-top box is received user's operational order, need to stop the broadcast of current background video;
(2007) set-top box sends and stops the request of current background video playback to service system;
(2008) service system stops the background video transmission to set-top box.
As shown in Figure 6, be the display packing of digital television interaction of the present invention, an actual case in the application.Application shown in the figure is a case of film-on-demand, and the interactive information content is the combination of literal and picture, and every film is simply introduced and illustrated, as the film introduction tabulation, background video is the film clips montage of all films.Wherein, film introduction tabulation is floated on the movie trailer montage, realizes with the technology of video superimpose.
Embodiment 2
Present embodiment discloses a kind of display packing of digital television interaction, it is characterized in that, the system that the display packing of described digital television interaction is used comprises TV 101, set-top box 102, network of relation 103, service system 104, storage system 105, video source 106, interactive information 107, described TV 101 is structure as a whole with described set-top box 102, and perhaps described TV 101 comprises or is connected to a member with set-top box 102 functions; Described set-top box 102 can be the processing television signals member that embeds television set, an individual member that perhaps is connected with television set; Described video source 106 and interactive information 107 are kept in the storage system 105, managed by service system 104, send set-top box 102 to by network of relation 103, after resolving, set-top box shows by TV 101, the content that shows is take video source as background, interactive information is prospect, and interactive information floats on described video; The position of described interactive information floating area, size, format are implemented freely to adjust by a renewable software module control, and described software module is provided with user's user-machine interface and a program upgrade user-machine interface; Other softwares that browser, middleware or the set-top box of the demonstration of interactive information by set-top box provides are realized; Described set-top box not only receives resolves the media signal, also has the ability that connects input-output equipment and carry out exchanges data with it; Described service system 104 is provided with user's user-machine interface and program, updating content user-machine interface, and the former is used for the user and browses, obtains video source 106, and the latter is used for upgrading interior perhaps its hypervisor of video source 106; Described service system 104 is provided with another group user's user-machine interface and program, updating content user-machine interface, and the former is used for the user and browses, obtains interactive information 107, and the latter is used for upgrading interior perhaps its hypervisor of interactive information 107.Described storage system 105 is configured in server or other are wired, on the wireless network.
Described TV 101 comprises TV, television PC, TV set-top box all-in-one, intelligent terminal.
Described set-top box 102 comprises independently set-top box, television PC, TV set-top box all-in-one, computer, intelligent terminal.
Described relevant network 103 comprises wired television network broadcast, ethernet local area network network, WLAN, the Internet, the perhaps combination of above-mentioned network.
Described service system 104 comprises: the coding of broadcast television signal, modulating system; The management system of interactive information, local video.
Described storage system 105 pairs of local videos, interactive informations are preserved.
Described video source 106 comprises local video, external video; Local video is kept in the storage system 105; External video is provided by operator, encodes, modulates by service system, enters network of relation and transmits.
Described interactive information 107 is kept in the storage system 105, is managed by service system, for the user provides the interactive information content.
Described interactive information 107 comprises the content of electronic program list (EPG) and other interactive columns, and unification is managed by service system; Interactive information comprises the combination of picture, literal or picture and letter; The video source form comprise TS, MPEG-1, MPEG-2, H.264, the FLV video format, simultaneously, need set-top box to support the broadcast of this kind format video.
The superimposing technique that described interaction content floats on video comprises dual mode:
Mode one coding, definition:
(1001) video background is kept in the local storage system, enters communication network by program request, broadcasting, multicast mode;
(1002) if the some broadcast mode, set-top box initiatively sends the video background request to service system, and service system finds suitable video background, is transferred to set-top box in the mode of data flow and plays.When finishing playing or need to change background video, set-top box sends request to server, is play by the background video that server stops to play or more renews;
(1003) if broadcasting or multicast mode after the startup of server, are found out the background video that all need to be play, carry out respectively loop play according to the channel resource that distributes.The set-top box end need to obtain the distribution condition of channel resource, can dynamically switch to needed background video passage, obtains video information and plays;
Mode two codings, definition:
(2001) video background derives from the operators such as broadcasting and TV, telecommunications, by the unified video source that provides of operator.Video source is uninterruptedly play according to the channel resource that operator distributes;
(2002) set-top box need to obtain the assignment information of channel resource, the interaction content that provides according to service system, and to the appointment of channel resource, dynamically switch to corresponding passage, and obtain vision signal, play.
Embodiment 3
The display packing of the digital television interaction of a kind of movement-based TV, mobile TV, intelligent television, it is characterized in that the system that the display packing of described digital television interaction is used comprises TV 101, set-top box 102, network of relation 103, service system 104, storage system 105, video source 106, interactive information 107; Described video source 106 and interactive information 107 are kept in the storage system 105, managed by service system 104, send set-top box 102 to by network of relation 103, after resolving, set-top box shows by TV 101, the content that shows is take video source as background, interactive information is prospect, and interactive information floats on described video; The position of described interactive information floating area, the controlled system of large I are implemented freely to adjust; Other softwares that browser, middleware or the set-top box of the demonstration of interactive information by set-top box provides are realized; Described set-top box not only receives resolves the media signal, also has the ability that connects input-output equipment and carry out exchanges data with it.
Described TV 101 is TV, television PC, TV set-top box all-in-one, the intelligent terminals that serve as mobile TV, mobile TV, intelligent television.
Described set-top box 102 comprises independently set-top box, television PC, TV set-top box all-in-one, computer, intelligent terminal.
Described relevant network 103 comprises wired television network broadcast, ethernet local area network network, WLAN, the Internet, the perhaps combination of above-mentioned network.
Described service system 104 comprises: the coding of broadcast television signal, modulating system; The management system of interactive information, local video.
Described storage system 105 pairs of local videos, interactive informations are preserved.
Described video source 106 comprises local video, external video; Local video is kept in the storage system 105; External video is provided by operator, encodes, modulates by service system, enters network of relation and transmits.
Described interactive information 107 is kept in the storage system 105, is managed by service system, for the user provides the interactive information content.
Described interactive information 107 comprises the content of electronic program list (EPG) and other interactive columns, and unification is managed by service system; Interactive information comprises the combination of picture, literal or picture and letter; The video source form comprise TS, MPEG-1, MPEG-2, H.264, the FLV video format, simultaneously, need set-top box to support the broadcast of this kind format video.
The superimposing technique that described interaction content floats on video comprises dual mode:
Mode one coding, definition:
(1001) video background is kept in the local storage system, enters communication network by program request, broadcasting, multicast mode;
(1002) if the some broadcast mode, set-top box initiatively sends the video background request to service system, and service system finds suitable video background, is transferred to set-top box in the mode of data flow and plays.When finishing playing or need to change background video, set-top box sends request to server, is play by the background video that server stops to play or more renews;
(1003) if broadcasting or multicast mode after the startup of server, are found out the background video that all need to be play, carry out respectively loop play according to the channel resource that distributes.The set-top box end need to obtain the distribution condition of channel resource, can dynamically switch to needed background video passage, obtains video information and plays;
Mode two codings, definition:
(2001) video background derives from the operators such as broadcasting and TV, telecommunications, by the unified video source that provides of operator.Video source is uninterruptedly play according to the channel resource that operator distributes;
(2002) set-top box need to obtain the assignment information of channel resource, the interaction content that provides according to service system, and to the appointment of channel resource, dynamically switch to corresponding passage, and obtain vision signal, play.
Can further find out by above-mentioned 3 embodiment, the present invention has reached the purpose of design of expection, compare with original technology and to have obvious characteristics and significant technological progress, on digital television interaction, content is shown, the content that shows is take video source as background, interactive information is prospect, interactive information floats on described video, then with the position of described interactive information floating area, the controlled system of large I is implemented freely to adjust, the demonstration of last interactive information is by the browser of set-top box, other softwares that middleware or set-top box provide are realized, the method that the technology of employing stack realizes.
More than be the description of the preferred embodiments of the present invention, but it is possible using various alternative way, modification and equivalent way.Therefore, should not be with reference to above description but as an alternative should with reference to claims together with they completely equivalent scope determine scope of the present invention, no matter whether preferred any feature as described herein can with no matter whether preferred any other Feature Combination as described herein, thereby, the present invention is not intended to limitation and shown embodiment here, but should meet the wide region that suppresses with principle disclosed herein and novel feature.
Claims (5)
1. the display mode of a digital television interaction, by TV (101), set-top box (102) network of relation (103), service system (104), storage system (105), video source (106), interactive information (107) forms digital television interaction display mode expansion platform, it is characterized in that showing that carrier TV (101) expansion comprises TV, television PC, the TV set-top box all-in-one, intelligent terminal, the expansion of set-top box (102) carrier comprises independently set-top box, television PC, the TV set-top box all-in-one, computer, intelligent terminal, the network (103) relevant with the expansion platform Carrier-matching comprises wired television network broadcast, the ethernet local area network network, WLAN, the Internet, the perhaps combination of above-mentioned network, comprise the coding of broadcast television signal with the service system (104) of net mate, modulating system, interactive information, the management system of local video, display mode expansion platform storage system (105) store video information source (106), interactive information (107), video source (106) expansion comprises local video, external video, interactive information (107) expansion comprises the content picture of electronic program list (EPG) and other interactive columns, the combination of literal or picture and letter, at first video source (106) and interactive information (107) are kept in the storage system (105), managed by service system (104) again, send set-top box (102) to by network of relation (103), after resolving, set-top box shows by TV (101), the content that shows is take video source as background, interactive information is prospect, and interactive information floats on video.
2. the display mode of a kind of digital television interaction according to claim 1, it is characterized in that the system that described set-top box (102) is provided with set-top box (102) supports video background to add the display mode that interaction content floats, the software that browser, middleware or other set-top box of the demonstration of interaction content by set-top box provides is realized.
3. the display mode of a kind of digital television interaction according to claim 1, it is characterized in that described video source (106) local video is kept in the storage system (105), external video is provided by operator, encode, modulate by service system, enter network of relation and transmit.
4. the display mode of a kind of digital television interaction according to claim 1, it is characterized in that described video source (106), its form be TS, MPEG-1, MPEG-2, H.264, FLV, 5 above video formats, set-top box (102) is supported the broadcast of this kind format video.
5. the display mode of a kind of digital television interaction according to claim 1, it is characterized in that described take video as background, the interaction content superimposing technique on video of floating, can there be dual mode in the source of background video:
Mode one definition coding:
(1001) video background is kept in the local storage system, enters communication network by program request, broadcasting, multicast mode;
(1002) if the some broadcast mode, set-top box initiatively sends the video background request to service system, service system finds suitable video background, being transferred to set-top box in the mode of data flow plays, when finishing playing or need to change background video, set-top box sends request to server, is play by the background video that server stops to play or more renews;
(1003) if broadcasting or multicast mode, after the startup of server, find out the background video that all need to be play, carry out respectively loop play according to the channel resource that distributes, the set-top box end need to obtain the distribution condition of channel resource, can dynamically switch to needed background video passage, obtain video information and play.
Mode two definition codings:
(2001) video background derives from the operators such as broadcasting and TV, telecommunications, by the unified video source that provides of operator.Video source is uninterruptedly play according to the channel resource that operator distributes;
(2002) set-top box need to obtain the assignment information of channel resource, the interaction content that provides according to service system, and to the appointment of channel resource, dynamically switch to corresponding passage, and obtain vision signal, play.
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