CN101605239A - Signal shielding method, equipment and system - Google Patents
Signal shielding method, equipment and system Download PDFInfo
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- CN101605239A CN101605239A CNA200910150136XA CN200910150136A CN101605239A CN 101605239 A CN101605239 A CN 101605239A CN A200910150136X A CNA200910150136X A CN A200910150136XA CN 200910150136 A CN200910150136 A CN 200910150136A CN 101605239 A CN101605239 A CN 101605239A
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Abstract
The invention discloses a kind of signal shielding method, equipment and system, relate to the signal processing technology field, when realizing signal shielding, can save system resource, reduce equipment power dissipation, and need not to set up extra external device (ED), cost is little, is convenient to user's use, helps using and promoting of signal shielding technology.A kind of signal shielding method that the embodiment of the invention provides comprises: detect the signal that receives and belong to the limiter stage content, stop the output to the described signal that receives, and wipe the described signal that receives.The present invention is applicable to the occasion that need shield audio-video signal.
Description
Technical field
The present invention relates to the signal processing technology field, relate in particular to a kind of signal shielding method, equipment and system.
Background technology
Along with the development and the more and more higher requirement of user of technology, medium, broadcasting constant pitch purpose kind are various day by day, content also varies.The user can pass through various receiving equipments, as television set, mobile phone, computer etc., watches or listen to these programs, has greatly opened up people's outlook, has enriched people's life.
Yet also there are many hidden danger in these programs when bringing people's pleasure of the senses.For example, some violences, pornographic program bring great harm to teen-age growing up healthy and sound.Therefore, need carry out grade classification, play the program of different brackets, will be unsuitable for the able-bodied program of teenager and be divided into the limiter stage content, forbid that child watches this limiter stage content at different users to these programs.
Some present performance receiving apparatus as television set, can provide the function of shielding of vision signal, and the program that comprises the limiter stage content is shielded.Prior art adopts following processing mode when carrying out signal shielding: the output to television set provides TV signal and substitution signal simultaneously, and television set is selected different output under different situations.This substitution signal can be provided by the relevant device that is connected to television set, and as DVD, VCD or set-top box, the content of this substitution signal is the content that allows broadcast.Television set detects to the received signal, when the TV signal that receives belongs to the content that allows broadcast, blocks the output of substitution signal at output, exports the TV signal that receives at output; When the TV signal that receives belongs to the limiter stage content, block of the output of this TV signal, in output output substitution signal at output.U.S. Pat 4930160 discloses similar techniques.
Yet, the inventor is in realizing process of the present invention, find that there are the following problems at least in the prior art: owing to belong to the part of limiter stage content in the TV signal is limited, and existing signal shielding mechanism, must provide TV signal and substitution signal to output simultaneously always, wasted too much system resource, power consumption is bigger.And prior art needs also that usually extra external equipment is set and cooperates, and has increased user's burden, is unfavorable for using and promoting of shield technology.
Summary of the invention
For solving problems of the prior art, embodiments of the invention provide a kind of signal shielding method, equipment and system, when realizing signal shielding, can save system resource, reduce equipment power dissipation, and need not to set up extra external equipment, cost is little, be convenient to user's use, help using and promoting of shield technology.
For achieving the above object, embodiments of the invention adopt following technical scheme:
The embodiment of the invention provides a kind of signal shielding method, and this method comprises:
The signal that detection receives belongs to the limiter stage content; Stop output, and wipe the described signal that receives the described signal that receives.
Further, said method also comprises:
When wiping the described signal that receives, employed data when exporting described wiping; Perhaps, after wiping the described signal that receives, write predetermined data, and export the data that this writes; Perhaps, after wiping the described signal that receives, the data of reading pre-stored and output; Perhaps, when wiping the described signal that receives, the data of reading pre-stored and output.
Further, said method also comprises: customization detects according to described detection setting to the received signal to the detection setting of the described signal that receives.
The embodiment of the invention also provides a kind of shielding device, and described equipment comprises:
Detecting unit is used to detect the signal that receives and belongs to the limiter stage content;
Screen unit is used to stop the output of described signal, and wipes the described signal that receives.
Further, described screen unit comprises:
The first shielding output module is used for when wiping the described signal that receives employed data when exporting described wiping; Perhaps, the secondary shielding output module is used for after wiping the described signal that receives, the data of reading pre-stored and output; Perhaps, the 3rd shielding output module is used for when wiping the described signal that receives, the data of reading pre-stored and output.
Further, described screen unit also comprises:
Write output module, be used to write predetermined data, and export the data that this writes.
Further, described equipment also comprises:
Customization units is set, is used to customize the detection setting to the described signal that receives, described detecting unit also is used for detecting to the received signal according to described detection setting.
The embodiment of the invention also provides a kind of signal shielding system, and this system comprises above-mentioned shielding device.
From the above mentioned, the technical scheme that the embodiment of the invention provides, when the signal that detects reception belongs to the limiter stage content, this signal is wiped processing, effectively the signal that belongs to the limiter stage content is shielded, further, the embodiment of the invention is when carrying out the signal shielding processing, can generate substitution signal and output, or with behind the signal shielding, read substitution signal and output again, solved in the prior art by provide TV signal and substitution signal to output simultaneously, the problem of switching between TV signal and substitution signal always to realize that shielding is brought.The technical scheme of the embodiment of the invention has been saved system resource when realizing signal shielding, reduce equipment power dissipation, and need not to set up extra external equipment, and cost is little, is convenient to user's use, helps using and promoting of shield technology.
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, apparently, 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, can also obtain other accompanying drawing according to these accompanying drawings.
The signal shielding method flow chart that Fig. 1 provides for the embodiment of the invention one;
The signal shielding method flow chart that Fig. 2 provides for the embodiment of the invention two;
A kind of shielding device structural representation that Fig. 3 provides for the embodiment of the invention three;
Another shielding device structural representation that Fig. 4 provides for the embodiment of the invention three.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, 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 belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The embodiment of the invention one provides a kind of signal shielding method, and as shown in Figure 1, described method comprises:
Step 11: detect the signal that receives and belong to the limiter stage content;
Step 12: stop output, wipe the described signal that receives to the described signal that receives.
Further, in the embodiment of the invention one, when wiping the signal that receives, the data that can use when wiping signal are as an alternative exported at output; After perhaps wiping above-mentioned signal, write new data, and with the data that write as an alternative signal export; Perhaps, when wiping above-mentioned signal or wipe finish after, start the work of reading and the output of the substitution signal of storage in advance.
For satisfying the needs of different user, can customize detection setting to the described signal that receives; Detect to the received signal according to described detection setting.
In the embodiment of the invention one, when the signal that receives belongs to the content that allows broadcast, this signal is exported at output, and during this signal of output, be need not to provide substitution signal to output; When the signal that receives belongs to the limiter stage content, wipe the signal that this receives, effectively the signal that belongs to the limiter stage content is shielded, and, can get access to substitution signal and output.The technical scheme of the embodiment of the invention is when carrying out the signal shielding processing, only need to provide the signal of one tunnel permission output to output, saved system resource, reduce equipment power dissipation, and need not to set up extra external equipment, cost is little, is convenient to user's use, helps using and promoting of shield technology.
Below be example mainly with the scene of on television set, carrying out signal shielding, specify the signal shielding method that the embodiment of the invention two provides.As shown in Figure 2, specifically comprise following processing:
Step 21: received television signal.
Television set is by antenna or closed circuit interface received television signal, and this TV signal may comprise the signal of limiter stage content.This limiter stage content can be on the content of program and/or the signal that is restricted on time of broadcasting of program, can be as this limiter stage content for including the program of violence, pornographic, or the program of playing in certain time period, but be not limited thereto, can not wish the programme content play for Any user.
In the embodiment of the invention two, television set is decoded to the TV signal that receives, and be buffered in the register, as be buffered in EEPROM (Electrically Erasable Programmable Read Only Memo) (Electrically ErasableProgrammable Read-Only Memory, EEPROM) in, this register can also be put in order, optimize the TV signal of its storage, to ensure that the user can watch visual effect program preferably.
Step 22: obtain the detection configuration information.
In the embodiment of the invention two, can customize detection setting according to user's needs to the TV signal that receives, reach the condition that TV signal was satisfied that comprises the limiter stage content that conductively-closed is set flexibly to carry out the grade restriction.The information that this detection is provided with can be kept in the default memory space of register.Television set reads the information that this detection is provided with from register, to know the condition that TV signal was satisfied that comprises the limiter stage content that whether needs the user is carried out grade restriction or needs shielding.
In the time need changing to the TV signal that belongs to the limiter stage content, as continuous growth along with child's age, when allowing to be set to before watching some belong to the program of limiter stage content, when perhaps not needing again program to be carried out the grade restriction, can upgrade the detection setting of having preserved, to satisfy user's needs.
Step 23: judge whether detection exists the grade restriction in being provided with.
When not needing that TV programme is carried out grade when restriction, with the TV signal that receives directly in output output, as carrying out imaging in LCDs (LVDS).When needs carry out the grade restriction to TV programme, execution in step 24.
Step 24: the TV signal that receives is detected.
Detection setting according to above-mentioned detects the TV signal that receives, and judges whether to exist the content of limiter stage, when not existing, the TV signal that receives is exported at output, and when existing, execution in step 25.
Step 25: the detection setting of above-mentioned limiter stage content and customization is compared.
When above-mentioned limiter stage content is lower than the detection setting of customization, promptly this partial content is an acceptable, allows to play, and the TV signal that receives is exported at output;
When above-mentioned limiter stage content is higher than the detection setting of customization, promptly this partial content does not allow to play, and need shield execution in step 26.
Step 26: stop the output of TV signal.
When the detection that is higher than customization when the limiter stage content of the TV signal that receives is provided with, stop the output of this TV signal immediately.
Step 27: wipe the above-mentioned TV signal in the register.
After stopping the output of the above-mentioned TV signal that comprises the limiter stage content, start the erase function of register immediately, this TV signal is all wiped.Concrete, the concrete mode that is adopted when wiping does not limit, and for example, above-mentioned TV signal all can be erased to 000, or above-mentioned TV signal all is erased to 111, or above-mentioned TV signal all is erased to 0001 etc.
Step 28: in register, write predetermined data, with these data that write signal as an alternative.
Exemplary, these data that write can be the blue screen data, and maybe these data that write can be production firm or gray LOGO, and maybe these data that write can be some instructional information, as " your present video is limited, please continues after a while to watch " etc.
Step 29: output substitution signal.
Can be when shielding TV signal by substitution signal, provide indication information to the user,, or have certain commerce application with the reason of explanation TV signal interruption, can be advertising message or advertisement video as this substitution signal, or this substitution signal also can be entertainment etc.
Provided a kind of example of substitution signal in the step 28.Optionally, can directly signal output as an alternative of employed data when wiping, perhaps, store one piece of data in advance and flow signal as an alternative, wipe when handling or wipe finish after, the data of reading pre-stored and output.
Step 30: the signal that shows output.
The display screen of television set shows on screen TV signal or the substitution signal that receives.
Whether television set constantly detects the current TV signal that receives is constrained signal, if detect non-constrained signal, then stop the erase feature of register pair vision signal, continue non-limited signal output or enter register to carry out video data optimization and output.
Above-mentioned substitution signal is when detecting TV signal and include the limiter stage content that does not allow to play, generate immediately or get access to, the embodiment of the invention need not always to provide this substitution signal to the output of television set.
Be appreciated that the embodiment of the invention is not utilized substitution signal when the TV signal that receives includes the limiter stage content that does not allow to play,, wipe this TV signal, also can effectively shield signal directly by stopping the output of this TV signal.
In the embodiment of the invention two, mainly be described with the scene of carrying out signal shielding in the television set, be appreciated that, the above-mentioned signal that receives can comprise multiple audio-video signals such as radio broadcasting signal, wireless communication signal, cable data signal, and such scheme can be applied in the multiple equipment with audio frequency and video receiving function such as mobile phone, computer.
From the above mentioned, the technical scheme that the embodiment of the invention provides, when the signal that detects reception belongs to the limiter stage content, this signal is wiped processing, effectively the signal that belongs to the limiter stage content is shielded, further, the embodiment of the invention is when carrying out the signal shielding processing, can generate substitution signal and output, or with behind the signal shielding, read substitution signal and output again, solved in the prior art by provide TV signal and substitution signal to output simultaneously, the problem of switching between TV signal and substitution signal always to realize that shielding is brought.The technical scheme of the embodiment of the invention has been saved system resource when realizing signal shielding, reduce equipment power dissipation, and need not to set up extra external equipment, and cost is little, is convenient to user's use, helps using and promoting of shield technology.
The embodiment of the invention three provides a kind of shielding device, and as shown in Figure 3, described equipment comprises:
Detecting unit 31 is used to detect the signal that receives and belongs to the limiter stage content;
Further, as shown in Figure 4, described screen unit 32 comprises:
The first shielding output module 321 is used for when wiping the described signal that receives employed data when exporting described wiping; Perhaps,
Secondary shielding output module 322 is used for after wiping the described signal that receives, the data of reading pre-stored and output; Perhaps,
The 3rd shielding output module 323 is used for when wiping the described signal that receives, the data of reading pre-stored and output.
Further, described screen unit 32 also comprises:
Write output module 324, be used to write predetermined data, and export the data that this writes.
Further, can be according to user's needs, the said equipment can customize the detection setting to the TV signal that receives, and reaches the condition that TV signal was satisfied that comprises the limiter stage content that conductively-closed is set flexibly to carry out the grade restriction, at this moment, described equipment also comprises:
Described detecting unit 31 also is used for detecting to the received signal according to described detection setting.
Above-mentioned shielding device can embed or be integrated in the multiple equipment with audio frequency and video receiving function such as mobile phone, computer.
The concrete working method of each functional module is referring to the inventive method embodiment among apparatus of the present invention embodiment.
The embodiment of the invention also provides a kind of signal shielding system, and this system comprises as above-mentioned shielding device.
From the above mentioned, the technical scheme that the embodiment of the invention provides, when the signal that detects reception belongs to the limiter stage content, this signal is wiped processing, effectively the signal that belongs to the limiter stage content is shielded, further, the embodiment of the invention is when carrying out the signal shielding processing, can generate substitution signal and output, or with behind the signal shielding, read substitution signal and output again, solved in the prior art by provide TV signal and substitution signal to output simultaneously, the problem of switching between TV signal and substitution signal always to realize that shielding is brought.The technical scheme of the embodiment of the invention has been saved system resource when realizing signal shielding, reduce equipment power dissipation, and need not to set up extra external equipment, and cost is little, is convenient to user's use, helps using and promoting of shield technology.
Those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can software product form embody, this computer software product can be stored in the storage medium, as ROM/RAM, magnetic disc, CD etc., comprise 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.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (10)
1, a kind of signal shielding method is characterized in that, described method comprises:
The signal that detection receives belongs to the limiter stage content;
Stop output, and wipe the described signal that receives the described signal that receives.
2, signal shielding method according to claim 1 is characterized in that, described method also comprises:
When wiping the described signal that receives, employed data when exporting described wiping.
3, signal shielding method according to claim 1 is characterized in that, also comprises after wiping the described signal that receives:
Write predetermined data, and export the data that this writes.
4, signal shielding method according to claim 1 is characterized in that, described method also comprises:
After wiping the described signal that receives, the data of reading pre-stored and output; Perhaps,
When wiping the described signal that receives, the data of reading pre-stored and output.
5, according to each described signal shielding method of claim 1 to 4, it is characterized in that, before the signal that detection receives belongs to the limiter stage content, also comprise:
Customization is to the detection setting of the described signal that receives;
Detect to the received signal according to described detection setting.
6, a kind of shielding device is characterized in that, described equipment comprises:
Detecting unit is used to detect the signal that receives and belongs to the limiter stage content;
Screen unit is used to stop the output of described signal, and wipes the described signal that receives.
7, shielding device according to claim 6 is characterized in that, described screen unit comprises:
The first shielding output module is used for when wiping the described signal that receives employed data when exporting described wiping; Perhaps,
The secondary shielding output module is used for after wiping the described signal that receives, the data of reading pre-stored and output; Perhaps,
The 3rd shielding output module is used for when wiping the described signal that receives, the data of reading pre-stored and output.
8, shielding device according to claim 6 is characterized in that, described screen unit also comprises:
Write output module, be used to write predetermined data, and export the data that this writes.
9, shielding device according to claim 6 is characterized in that, described equipment also comprises:
Customization units is set, is used to customize detection setting the described signal that receives;
Described detecting unit also is used for detecting to the received signal according to described detection setting.
10, a kind of signal shielding system is characterized in that described system comprises as each described shielding device of above-mentioned claim 6 to 9.
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| CN200910150136XA CN101605239B (en) | 2009-07-07 | 2009-07-07 | Signal shielding method, device and system |
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| CN200910150136XA CN101605239B (en) | 2009-07-07 | 2009-07-07 | Signal shielding method, device and system |
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| CN101605239A true CN101605239A (en) | 2009-12-16 |
| CN101605239B CN101605239B (en) | 2011-03-23 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013143068A1 (en) * | 2012-03-27 | 2013-10-03 | Thomson Licensing | System and method for content selection and playback |
| CN104159154A (en) * | 2014-07-22 | 2014-11-19 | 小米科技有限责任公司 | Multimedia playing method, device and system |
| CN104902337A (en) * | 2015-06-05 | 2015-09-09 | 广东欧珀移动通信有限公司 | Video shielding display method, device and terminal equipment |
| CN106454406A (en) * | 2016-10-25 | 2017-02-22 | 上海网达软件股份有限公司 | Method for shielding live program channel and system thereof |
| CN106792204A (en) * | 2016-12-30 | 2017-05-31 | 华为技术有限公司 | A kind of program distribution method, device and system |
| CN111327912A (en) * | 2018-12-13 | 2020-06-23 | 中国电信股份有限公司 | Live broadcast processing method, device and system and computer readable storage medium |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100225057B1 (en) * | 1996-07-23 | 1999-10-15 | 윤종용 | Control apparatus and method for power supply of monitor having audio system |
| GB9619878D0 (en) * | 1996-09-24 | 1996-11-06 | Philips Electronics Nv | Television |
| CN100539675C (en) * | 2002-10-10 | 2009-09-09 | 汤姆森许可公司 | The uninterrupted method that shows with the TV programme that suppresses program segment |
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2009
- 2009-07-07 CN CN200910150136XA patent/CN101605239B/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013143068A1 (en) * | 2012-03-27 | 2013-10-03 | Thomson Licensing | System and method for content selection and playback |
| CN104159154A (en) * | 2014-07-22 | 2014-11-19 | 小米科技有限责任公司 | Multimedia playing method, device and system |
| CN104902337A (en) * | 2015-06-05 | 2015-09-09 | 广东欧珀移动通信有限公司 | Video shielding display method, device and terminal equipment |
| CN106454406A (en) * | 2016-10-25 | 2017-02-22 | 上海网达软件股份有限公司 | Method for shielding live program channel and system thereof |
| CN106792204A (en) * | 2016-12-30 | 2017-05-31 | 华为技术有限公司 | A kind of program distribution method, device and system |
| CN106792204B (en) * | 2016-12-30 | 2020-02-21 | 华为技术有限公司 | Program distribution method, device and system |
| CN111327912A (en) * | 2018-12-13 | 2020-06-23 | 中国电信股份有限公司 | Live broadcast processing method, device and system and computer readable storage medium |
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| CN101605239B (en) | 2011-03-23 |
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Address after: 266100 No. 151, Zhuzhou Road, Laoshan District, Shandong, Qingdao Patentee after: Hisense Video Technology Co.,Ltd. Address before: 266100 No. 151, Zhuzhou Road, Laoshan District, Shandong, Qingdao Patentee before: HISENSE ELECTRIC Co.,Ltd. |