CN101777325B - Method for setting automatic synchronization, system and output device - Google Patents
Method for setting automatic synchronization, system and output device Download PDFInfo
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- CN101777325B CN101777325B CN2009100366017A CN200910036601A CN101777325B CN 101777325 B CN101777325 B CN 101777325B CN 2009100366017 A CN2009100366017 A CN 2009100366017A CN 200910036601 A CN200910036601 A CN 200910036601A CN 101777325 B CN101777325 B CN 101777325B
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Abstract
The embodiment of the invention discloses a method for setting automatic synchronization, which comprises the following steps: an output device receives a first infrared signal sent by a remote controller, the first infrared signal comprises an operation signal which makes the input configuration of a display device synchronized according to the output configuration of the output device, the output device triggers to generate a second infrared signal which can be recognized by the display device according to the first infrared signal, and the second infrared signal is used for making the input configuration of the display device synchronized with the output configuration of the output device; and the output device sends the second infrared signal to the display device. The embodiment of the invention also provides a set top box and a system for setting automatic synchronization, and through the method, the device and the system provided by the embodiment of the invention, on the premise that the existing devices of a user are not reformed complicatedly, the setting of the automatic synchronization of the output device and the display device is realized, the convenience for the user to use the output device is raised, and the operation experience of the user is improved.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of autosynchronous method, system and output device of being provided with.
Background technology
All possess radio frequency output (Radio FrequencyOut, RF Out) interface the North America output device (like the STB kind equipment), be used for video/audio signal through U.S. mark channel 3/4 (Channel 3/Channel 4, CH3/CH4) channel modulation output.In the home environment of North America; Televisors etc. show the situation more complicated of receiving equipment; Have the relatively equipment of old type tube, and the connection of CH3/4 way of output cable is very simple, only needs to use a coaxial radio-frequency cable just can realize the transmission of video/audio simultaneously.
It is consistent that CH3/4 signal output and the channel arrangement of receiving equipment need, and (Television, TV) under the pattern, video/audio (Audio Video, AV) can normally export by signal promptly to make receiving equipment be in the TV of received RF signal simultaneously.The CH3/4 signal receiver generally all is a televisor, and its receiving cable regulative mode is various relatively, can be provided with through telepilot, also can pass through the TV set panel setting.Through the direct inputting channel number of telepilot, simple relatively; Through the panel setting, then need channel adjustment one by one, relative complex.
The control circuit of general TV supports that all (Inter-Integrated Circuit I2C) controls, and is exactly at STB (Set-Top Box in the prior art through integrated circuit; STB) set up communication channel and between TV based on the I2C EBI; Between STB and TV, transmit control messages, though this scheme can realize all controls for TV, such scheme needs STB and TV to draw control bus; Relate to transformation, be inappropriate for general user family and use existing hardware.
Compound telepilot of the prior art; The part button can be controlled TV, and the part button can be controlled STB, though the user can be switched telepilot like this; Directly TV is controlled; But owing to be required to be the dedicated remote control that the user adopts customization, the user need operate different keys equally to be provided with synchronously, on operating experience, still seems complicated.Also have a kind of compound telepilot, the user operates a button, and telepilot sends a plurality of sign indicating numbers simultaneously; These yards can comprise to the control code of TV and to the control code of STB simultaneously, though this scheme can be simplified user's button operation, can't solve the stationary problem that is provided with of output device and display device; Such as; If user misoperation the CH3/4 output of STB be provided with, then telepilot needs changed and press key assignments, can guarantee that just follow-up long code can realize that efficient synchronization operates.
Summary of the invention
The embodiment of the invention provides a kind of autosynchronous method, system and output device of being provided with.Through the embodiment of the invention, solved and user's existing equipment has not been carried out realizing the automatic stationary problem that output device and display device are provided with under the complicated prerequisite of transforming.
The embodiment of the invention provides a kind of autosynchronous method that is provided with, and comprising:
Output device receives first infrared signal that telepilot sends;
Said output device triggers according to said first infrared signal and generates discernible second infrared signal of display device, and said second infrared signal is used to make the input configuration of said display device and the output configuration synchronization of said output device;
Said output device sends to display device with said second infrared signal, makes the output configuration synchronization of said display device according to said second infrared signal and said output device.
Correspondingly, the embodiment of the invention also provides a kind of output device, comprising:
Infrared receiving module is used to receive first infrared signal that telepilot sends;
Control module; First infrared signal that is used for receiving according to said infrared receiving module triggers and generates discernible second infrared signal of display device, and said second infrared signal is used to make the input configuration of said display device and the output configuration synchronization of said output device;
Infrared sending module is used for that said control module is triggered second infrared signal that generates and sends to display device, makes the output configuration synchronization of said display device according to said second infrared signal and said output device.
Correspondingly, the embodiment of the invention also provides a kind of autosynchronous system that is provided with, and comprises the display device that output device links to each other with output device, wherein:
Said output device is used to receive first infrared signal that telepilot sends; Said first infrared signal comprises the input configuration that the makes display device operation signal according to the output configuration synchronization of output device; Trigger discernible second infrared signal of generation display device according to said first infrared signal; Said second infrared signal is used to make the input configuration and said output configuration synchronization of said display device; And described second infrared signal sent to display device, make the output configuration synchronization of said display device according to said second infrared signal and said output device.
Embodiment of the present invention embodiment; Output device is through receiving first infrared signal that telepilot sends; Trigger according to first infrared signal then and generate second infrared signal; The output configuration that makes display device realizes display device according to second infrared signal input configuration and output device is not being carried out output device under the complicated prerequisite of transforming with synchronously like this, and the user only to need shirtsleeve operation just can realize that output device and display device are provided with automatic synchronous.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a kind of first pass figure that autosynchronous method is set that the embodiment of the invention provides;
Fig. 2 is a kind of second process flow diagram that autosynchronous method is set that the embodiment of the invention provides;
Fig. 3 is first structural representation of a kind of output device of providing of the embodiment of the invention;
Fig. 4 is second structural representation of a kind of output device of providing of the embodiment of the invention;
Fig. 5 is that the embodiment of the invention provides a kind ofly is provided with autosynchronous system schematic;
Fig. 6 is that the embodiment of the invention provides a kind ofly is provided with the autosynchronous first application scenarios figure;
Fig. 7 is that the embodiment of the invention provides a kind ofly is provided with the autosynchronous second application scenarios figure.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
In embodiments of the present invention, the CH3/4 signal receiver is supported multiple input sources simultaneously, and its input source selection mode distinct device there are differences, and generally can also can switch to the TV pattern through specified button through the switching that circulates of AV/TV key.The CH3/4 signal receiver only is being in the normal received RF signal of ability under the TV pattern.From domestic consumer, user's existing equipment not to be carried out under the complicated prerequisite of transforming, the embodiment of the invention provides CH3/4 that autosynchronous scheme is set, and can improve the convenience that the user uses CH3/4 output, improves user's operating experience.
A kind of autosynchronous method and system and output device of being provided with that the embodiment of the invention provides; Output device is through receiving first infrared signal that telepilot sends; This first infrared signal is used to trigger output device and generates discernible second infrared signal of display device; This first infrared signal also is used for output device is imported configuration etc.; Output device triggers according to this first infrared signal and generates discernible second infrared signal of display device, and with said second infrared signal through sending to display device, the output of input configuration and the output device of display device is disposed reaches synchronous.The output device here generally is STB or other equipment that display device is controlled.
Referring to Fig. 1, Fig. 1 shows that the embodiment of the invention provides a kind ofly is provided with autosynchronous first method flow diagram, and concrete steps are following:
Step S101: output device receives first infrared signal that telepilot sends;
Concrete; Infrared receiving module in the CH3/4 output device receives first infrared signal of telepilot; This first infrared signal is used to trigger output device and generates discernible second infrared signal of display device; This first infrared signal also is used for output device is imported configuration etc.; This first infrared signal includes but not limited to that dormancy awakening, channel switch, information shows, the audio frequency and video of display device receive terminal (TV/AV) switching command, in telecommand continued operation process, except the first time button need pass through infrared transmission module (Infrared Blaster; IR Blaster) outside display device sends synchronous switching command, the switching command of not redispatching of continuous button subsequently.
Step S102: trigger discernible second infrared signal of generation display device according to first infrared signal;
Concrete; When receiving first infrared signal of telepilot transmission; Trigger discernible second infrared signal of generation display device according to the situation that is provided with of display device and according to first infrared signal; Here second infrared signal is used to make the signal of output configuration synchronization of input configuration and the output device of display device, and sort signal includes but not limited to that dormancy awakening, channel switch, information shows, the audio frequency and video of display device receive terminal (TV/AV) switching command or the like.Here be that example describes with output device and TV; Here the transition process from first infrared signal to second infrared signal; Can be following situation, send out channel change command (first infrared signal) to output device, just require this moment to switch except output device really carries out channel like the user; Also need output device before channel switches; Send synchronizing signal (second infrared signal) to televisor, televisor also is under the pattern of this channel switching, realize the input configuration of display device and the output configuration synchronization of output device.
Step S103: output device sends to display device with second infrared signal.
Concrete, this second infrared signal makes the output configuration synchronization of said display device according to said second infrared signal and said output device.The CH3/4 output device is provided with according to the CH3/4 output that is provided with, and sends second infrared signal such as CH3/4 channel change command through IRBlaster to display device, forces to make display device to get into the receiving channels setting consistent with output device.
Can not carry out user's existing equipment under the complicated prerequisite of transforming through the embodiment of the invention, it is synchronously automatic to realize that CH3/4 is provided with, and improves the convenience that the user uses CH3/4 output, improves user's operating experience.
Referring to Fig. 2, Fig. 2 shows a kind of second process flow diagram that autosynchronous method is set that the embodiment of the invention provides.In the time will realizing display device for the accurate selection control of AV signal source, need through microphone (Microphone MIC) gathers the sound of televisor output, and concrete steps are following:
Step S201: the infrared receiving module in the output device receives first infrared signal that telepilot sends;
Concrete; The CH3/4 output device receives first infrared signal of telepilot; This first infrared signal is used to trigger output device and generates discernible second infrared signal of display device; This first infrared signal also is used for output device is imported configuration etc., and this first infrared signal includes but not limited to that dormancy awakening, channel switch, information shows.Most display devices like televisor, are supported Cyclic Selection AV signal source, in the synchronous setting up procedure of CH3/4 output device, send the AV/TV switching command through IR Blaster to display device, make the display device circulation switch the AV signal source.
Step S202: trigger second infrared signal that the generation display device can not known according to first infrared signal;
Need to prove that display device can just trigger after repeatedly receiving first infrared signal and generate second infrared signal, also can be to receive the back for the first time to generate second infrared signal with regard to triggering.
Step S203: the infrared transmission module of said second infrared signal through output device sent to display device;
Step S204:MIC gathers the voice output signal in the current display device;
Need to prove, confirm the input configuration of display device and the output configuration synchronization of output device through the voice output signal of gathering in the display device here.
Step S205: confirm whether display device has the voice output signal,, otherwise carry out step S207 if having then carry out step S206;
Step S206: confirm that whether display device only exists one tunnel effective video/audio signal input, if then carry out step S208, otherwise carries out step S209;
The output device here is before configuration; Known the configuring condition in the display device; Whether be to have one tunnel effective video/audio signal; Through the Configuration Type attribute of display device of storage, just can determine the attribute of display device object, promptly can know whether only exist one tunnel effective video/audio signal to import.
Step S207: do not realize the input configuration of display device and the output configuration synchronization of output device;
Need to prove, when determining display device here and not realizing AV signal source synchronous, need send second infrared signal once more, require display device to carry out synchronous operation.
Step S208: the input configuration of display device and the output of output device configuration realize synchronously;
Step S209: the sound signal of voice output signal that collects and output device output is carried out similarity relatively;
Step S210: whether the voice output signal that relatively collects is similar with the sound signal of output device output.If execution in step S208 then, otherwise execution in step S207.
The CH3/4 output device is when receiving first infrared signal of telepilot; This first infrared signal is used to trigger output device and generates discernible second infrared signal of display device; This first infrared signal also is used for output device is imported configuration etc.; When operation signal includes but not limited to dormancy awakening, channel switching, information demonstration here; CH3/4 output according to self is provided with, and at first sends the CH3/4 channel change command through IR Blaster to display device, forces to make display device to get into the receiving channels setting consistent with output device.Before output device sends the CH3/4 channel change command, send the AV/TV switching command through IR Blaster to display device, make the display device circulation switch the AV signal source.Gather the voice output signal of current display device output through MIC, determine whether to collect the voice output signal, if there is not the voice output signal, then output device when receiving first infrared signal of telepilot, continues to send the AV/TV switching command follow-up.If the voice output signal is arranged, and current display device only exists under the situation of one tunnel effective video/audio signal input, explains that current display device realized the input configuration of display device and the output configuration synchronization of output device.If there is the effective video/audio signal input of multichannel in current display device; The output audio signal of voice output signal that collects and output device is carried out similarity relatively; Whether the voice output signal that judgement collects is similar sound signal with the output audio signal of output device; If similar sound signal; Then explain display device realized AV signal source and output device synchronously, otherwise display device is not realized the input configuration of display device and the output configuration synchronization of output device.
The embodiment of the invention is gathered the audio signal output of televisor; Carry out the similarity judgement through the voice output signal capture and to the sound signal of catching; Automatically confirm whether current display device has made the input configuration of display device and the output configuration synchronization of output device; Reach and user's existing equipment is not being carried out under the complicated prerequisite of transforming; Realization is switched the selection in display device AV source, avoids owing to user's display device is not correctly chosen the problem that the AV signal source causes the video/audio output abnormality.
Referring to Fig. 3, Fig. 3 shows first structural representation of a kind of output device that the embodiment of the invention provides, and in the CH3/4 output device, increases IR Blaster module, comprises infrared receiving module 31, control module 32 and infrared sending module 33, wherein:
Referring to Fig. 4; Fig. 4 shows second structural representation of a kind of output device that the embodiment of the invention provides; In the CH3/4 output device, increase MIC, comprise infrared receiving module 41, control module 42, infrared sending module 43, acquisition module 44 and judge module 45, wherein:
Infrared sending module 43 is used for second infrared signal of the said modular converter 42 conversions infrared transmission module through output device is sent to display device, makes the output configuration synchronization of said display device according to said second infrared signal and said output device.The CH3/4 output device is provided with according to the CH3/4 output of self, at first sends second infrared signal such as CH3/4 channel change command through IR Blaster to display device, forces to make display device to get into the receiving channels setting consistent with output device.Simultaneously, infrared sending module 13 also is used for sending TV or AV switching command to display device, can guarantee that like this CH3/4 signal receiver is under the TV pattern received RF signal.
First judging unit 451 is used for judging whether acquisition module 44 collects the voice output signal;
Concrete, when acquisition module 44 does not collect the voice output signal, show that then display device do not realize the input configuration of display device and the output configuration synchronization of output device, continue to display device transmission TV or AV switching command.
First confirms unit 452; Be used for when first judging unit 451 judges that gathering 44 of moulds collects the voice output signal; And when said display device exists one tunnel effective video/audio signal to import, confirm the input configuration of said display device and the output configuration synchronization of said output device;
Concrete, when acquisition module 44 collects the voice output signal, and display device is when only existing one tunnel effective video/audio signal input, and then display device has been realized the input configuration of display device and the output configuration synchronization of output device.Need to prove that the attribute of display device has been stored in the output device, can directly can know the vision signal input state of display device according to property parameters.
Second confirms unit 453; Be used for judging that at first judging unit 451 acquisition module 44 collects the voice output signal; And when said display device existence is imported more than one road effective video signal; With the sound signal of the said voice output signal that collects and said output device output relatively, if the said voice output signal that collects is similar with the sound signal of said output device output, the output configuration synchronization of the input of said display device configuration and said output device then.
Concrete; If the voice output signal that collects is similar sound signal with the sound signal of output device; Then output display unit has been realized the input configuration of display device and the output configuration synchronization of output device, otherwise output display unit is not realized the input configuration of display device and the output configuration synchronization of output device.
The embodiment of the invention is through integrated MIC on the CH3/4 output device; Gather the audio signal output of televisor; Carry out the similarity judgement based on the voice output signal capture and to the sound signal of catching, judge automatically whether current display device has realized the input configuration of display device and the output configuration synchronization of output device.
Referring to Fig. 5, Fig. 5 shows that the embodiment of the invention provides a kind ofly is provided with autosynchronous system schematic, comprises output device 51 and display device 52, and output device 51 communicates with 52 of display devices and is connected, wherein:
Output device is through receiving first infrared signal that telepilot sends; Trigger according to first infrared signal then and generate second infrared signal; Display device is disposed with synchronously according to the input configuration of second infrared signal realization display device and the output of output device; Output device is not being carried out under the complicated prerequisite of transforming like this, and the user only needs shirtsleeve operation just can realize that output device and display device are provided with automatically synchronously.
Referring to Fig. 6, Fig. 6 shows that the embodiment of the invention provides a kind ofly is provided with the autosynchronous first application scenarios figure.CH3/4 output device in output device increases IR Blaster module; When receiving first infrared signal of telepilot; During like dormancy awakening, channel switching, information demonstration; At first send the CH3/4 channel change command through IR Blaster to display device, force to make display device to get into the receiving channels setting consistent with input equipment according to the CH3/4 output setting of self.In telecommand continued operation process; Except the first time button need be to display device sends the TV switching command through IR Blaster; The switching command of not redispatching of continuous button subsequently through sending the TV switching command, makes display device force to get into the TV signal receiving mode.Output device in the output device triggers discernible second infrared signal of generation display device according to the situation that is provided with of display device according to first infrared signal then; After display device receives second infrared signal of output device transmission, realize the input configuration of display device and the output configuration synchronization of output device according to second infrared signal.
Referring to Fig. 7, Fig. 7 shows that the embodiment of the invention provides a kind ofly is provided with the autosynchronous second application scenarios figure.CH3/4 output device in the output device is when receiving first infrared signal of telepilot; When including but not limited to dormancy awakening, channel switching, information demonstration; CH3/4 output according to self is provided with; At first send the CH3/4 channel change command to display device, force to make display device to get into the receiving channels setting consistent with output device through IR Blaster.Before output device sends the CH3/4 channel change command, send the AV/TV switching command through IR Blaster to display device, make the display device circulation switch the AV signal source.Gather the voice output signal of current display device output through MIC, judge whether to collect the voice output signal, if there is not the voice output signal, then output device when receiving first infrared signal of telepilot, continues to send the AV/TV switching command follow-up.If the voice output signal is arranged, and current display device only exists under the situation of one tunnel effective video/audio signal input, explains that current display device realized the input configuration of display device and the output configuration synchronization of output device.If there is the effective video/audio signal input of multichannel in current display device; The output audio signal of voice output signal that collects and output device is carried out similarity relatively; Whether the voice output signal that judgement collects is similar sound signal with the output audio signal of output device; If similar sound signal; Explain that then display device realized the input configuration of display device and the output configuration synchronization of output device, otherwise display device is not realized the input configuration of display device and the output configuration synchronization of output device.
In sum,, solved and user's existing equipment has not been carried out under the complicated prerequisite of transforming, realized that CH3/4 is provided with automatically synchronously through the method that the embodiment of the invention provided.When receiving telecommand; Send CH3/4 channel synchronous switching command through IR Blaster to display device by the CH3/4 output device in the output device; Automatically forcing to make display device to get into the same CH3/4 reception of output device is provided with; Improve the convenience that the user uses CH3/4 output, improve user's operating experience.When receiving telecommand, send TV quick switching command through IR Blaster to display device by the CH3/4 output device in the output device, force to make display device to be selected and the synchronous signal source of output device automatically.On the CH3/4 output device, increase MIC; Gather the audio output signal of televisor; Carry out the similarity judgement through the voice output signal capture and to the sound signal of catching; Automatically judge whether current display device is realized avoiding owing to user's display device is not correctly chosen the problem that the AV signal source causes the video/audio output abnormality synchronously with the output device signal source.The IR Blaster of CH3/4 output device and IR Receiver module common transmitted cable realize that based on half-duplex mechanism CH3/4 output device infrared signal receives and send time-sharing multiplex, realizes that CH3/4 is provided with autosynchronous cost thereby effectively reduce.In telecommand continued operation process; Except the first time button need be to display device sends synchronous switching command through IR Blaster; The switching command of not redispatching of continuous button subsequently, thus realizing that CH3/4 is provided with the autosynchronous while, improve the speed of response of user key-press.
Through the description of above embodiment, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential hardware platform, can certainly all implement through hardware.Based on such understanding; All or part of can the coming out that technical scheme of the present invention contributes to background technology with the embodied of software product; This computer software product can be stored in the storage medium, like ROM/RAM, magnetic disc, CD etc., comprises that some instructions are with so that a computer equipment (can be a personal computer; Server, the perhaps network equipment etc.) carry out the described method of some part of each embodiment of the present invention or embodiment.
Above disclosedly be merely a kind of preferred embodiment of the present invention, can not limit the present invention's interest field certainly with this, the equivalent variations of therefore doing according to claim of the present invention still belongs to the scope that the present invention is contained.
Claims (10)
1. one kind is provided with autosynchronous method, it is characterized in that, comprising:
Output device receives first infrared signal that telepilot sends;
Said output device triggers according to said first infrared signal and generates discernible second infrared signal of display device, and said second infrared signal is used to make the input configuration of said display device and the output configuration synchronization of said output device;
Said output device sends to display device with said second infrared signal, makes the output configuration synchronization of said display device according to said second infrared signal and said output device.
2. the method for claim 1 is characterized in that, said first infrared signal is that dormancy awakening, channel switch, information shows, audio frequency and video receive a kind of in the terminal switching command.
3. the method for claim 1 is characterized in that, the infrared receiving module in the said output module receives first infrared signal, and through the infrared transmission module in the said output module said second infrared signal is sent to display device.
4. like each described method of claim 1 to 3, it is characterized in that, after said output device sends to the display device step with said second infrared signal, also comprise:
Gather the voice output signal in the said display device, and confirm the input configuration of said display device and the output configuration synchronization of said output device through the voice output signal of said collection.
5. method as claimed in claim 4 is characterized in that, said voice output signal through said collection confirms that the input configuration of said display device and the output configuration synchronization of said output device comprise:
When there is the input of one tunnel effective video/audio signal in said display device, the output configuration synchronization of the input of said display device configuration and said output device then;
When said display device existence is imported more than one tunnel effective video/audio signal; The sound signal of said voice output signal that collects and the output of said output device is compared; When the sound signal of said voice output signal that collects and the output of said output device is similar, the output configuration synchronization of the input of said display device configuration and said output device then.
6. an output device is characterized in that, comprising:
Infrared receiving module is used to receive first infrared signal that telepilot sends;
Control module; First infrared signal that is used for receiving according to said infrared receiving module triggers and generates discernible second infrared signal of display device, and said second infrared signal is used to make the input configuration of said display device and the output configuration synchronization of said output device;
Infrared sending module is used for that said control module is triggered second infrared signal that generates and sends to display device, makes the output configuration synchronization of said display device according to said second infrared signal and said output device.
7. output device as claimed in claim 6 is characterized in that, said first infrared signal is that dormancy awakening, channel switch, information shows, audio frequency and video receive a kind of in the terminal switching command.
8. like claim 6 or 7 described output devices, it is characterized in that said output device also comprises:
Acquisition module is used to gather the voice output signal of said display device output;
Determination module is used for confirming the input configuration of said display device and the output configuration synchronization of said output device according to the voice output signal of said acquisition module collection.
9. output device as claimed in claim 8 is characterized in that, said determination module comprises:
First judging unit is used for judging whether said acquisition module collects the voice output signal;
First confirms the unit; Be used for collecting the voice output signal at the said acquisition module of first judgment unit judges; And when said display device exists one tunnel effective video/audio signal to import, confirm the input configuration of said display device and the output configuration synchronization of said output device;
Second confirms the unit; Be used for collecting the voice output signal at the said acquisition module of first judgment unit judges; And when said display device existence is imported more than one road effective video signal; With the sound signal of the said voice output signal that collects and said output device output relatively, if the said voice output signal that collects is similar with the sound signal of said output device output, the output configuration synchronization of the input of said display device configuration and said output device then.
10. one kind is provided with autosynchronous system, it is characterized in that, comprises the output device that links to each other with display device, wherein:
Said output device is used to receive first infrared signal that telepilot sends; Trigger discernible second infrared signal of generation display device according to said first infrared signal; Said second infrared signal is used to make the input configuration of said display device and the output configuration synchronization of said output device; And described second infrared signal sent to display device, make the output configuration synchronization of said display device according to said second infrared signal and said output device.
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| CN1463533A (en) * | 2001-04-24 | 2003-12-24 | 皇家菲利浦电子有限公司 | Wireless communication point of deployment module for use in digital cable compliant devices |
| CN1863285A (en) * | 2005-09-09 | 2006-11-15 | 华为技术有限公司 | Device for implementing one set-top-box to support multi-television sets |
| CN101312507A (en) * | 2007-05-24 | 2008-11-26 | 深圳Tcl工业研究院有限公司 | Digital set-top box, wireless audio playing apparatus and system thereof |
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