CN102111662A - Method for displaying television signal status and set top box (STB) - Google Patents
Method for displaying television signal status and set top box (STB) Download PDFInfo
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Abstract
The embodiment of the invention provides a method for displaying a television signal status, comprising the following steps: detecting a play status of a television signal, and generating status grade information corresponding to the play status; according to the status grade information, acquiring a preset prompt message which is matched with the status grade information; and displaying the prompt message. Accordingly, the embodiment of the invention also provides a set top box (STB). According to the embodiments of the invention, the prompt message of the television signal status can be displayed correspondingly, thus a user can be informed of reasons when a picture which is output by the STB is abnormal, thereby being convenient for the user to use.
Description
Technical field
The present invention relates to electronic applications, relate in particular to a kind of TV signal state display method and set-top box.
Background technology
Set-top box is that (Internet Protocol TV, home terminal access device IPTV) utilize set-top box can realize that the TV signal of Digital Television and IPTV receives and plays for Digital Television and Internet television.Set-top box is when playing Digital Television or IPTV at present, the relevant information that does not have TV signal, when the picture of set-top box output without any image, when picture is in the blank screen state, the user can't judge that this blank screen state is interrupted causing by TV signal, or television set breaks down and causes; And for example when smudgy situation appearred in the picture of set-top box output, the user can't judge that this ambiguous picture is that TV signal receives bad causing, or television set breaks down and causes.To sum up, because present set-top box does not have the relevant information of TV signal, cause when abnormal conditions appears in the picture of output, the user can't learn reason, makes troubles for user's use.
Summary of the invention
Technical problem in view of the existence of prior art, the embodiment of the invention proposes a kind of TV signal state display method and set-top box, can show corresponding TV signal condition prompting information, when making the picture of exporting when set-top box abnormal conditions occur to be, the user can judge the abnormal reason of picture substantially, is user-friendly to.
In order to solve the problems of the technologies described above, the embodiment of the invention proposes a kind of TV signal state display method, comprising:
Detect the broadcast state of TV signal, and generate state grade information corresponding to described broadcast state;
According to described state grade information, obtain default and information described state grade information matches;
Show described information.
Correspondingly, the embodiment of the invention also proposes a kind of set-top box, comprises the Conditional Access Module that TV signal is carried out authentication, also comprises:
Detection module is used to detect the broadcast state of described TV signal, and generates the state grade information corresponding to described broadcast state;
The information acquisition module is used for the state grade information that generates according to described detection module, obtains default and information described state grade information matches;
Display module is used to show that described information acquisition module obtains information.
Implement the embodiment of the invention, by detecting the broadcast state of TV signal, and generation is corresponding to the state grade information of described broadcast state, according to described state grade information, obtain default and information described state grade information matches, show described information, can make the user know the broadcast state of current television signal, when the picture of set-top box output abnormal conditions occurs and is, the user can be according to the broadcast state of current television signal, can judge the abnormal reason of picture substantially, be user-friendly to.
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.
Fig. 1 is the flow chart of TV signal state display method in the embodiment of the invention;
Fig. 2 is the structure principle chart of set-top box in the embodiment of the invention.
Embodiment
The embodiment of the invention proposes a kind of TV signal state display method and set-top box, can show corresponding TV signal condition prompting information, when making the picture of exporting when set-top box abnormal conditions occur to be, the user can judge the abnormal reason of picture substantially, is user-friendly to.
Fig. 1 is the flow chart of TV signal state display method in the embodiment of the invention, and the TV signal state display method comprises in the embodiment of the invention:
Herein, during concrete enforcement, the broadcast state of TV signal is divided into several state grades, each state grade is not provided with information, state grade can identify with unique state to be represented, make things convenient for the identification of state grade, one of the information of state grade information and described state grade information matches for example can be referring to table 1.
| State grade | Status indicator | Information |
| Excellent | 4 | Signal quality is outstanding |
| Very | 3 | Signal quality is good |
| In | 2 | Signal quality is medium |
| Difference | 1 | Signal quality is bad |
| No signal | 0 | No TV signal |
Table 1
Herein, the reference state class information is the standard that judges whether to play authentication, and for example the reference state class information can be during state grade is, status indicator is 2 state grade information.During concrete enforcement, playing authentication information is Conditional Access Module (Condition Access, CA) message of sending, Conditional Access Module can be realized the encryption stream deciphering, the play area control of program, program watch rank, the function of watching period or the like of program, it sends to play and generally contains the authentication sign in the authentication information, be used to represent that set-top box is to current TV signal play authorization situation, can be arranged at the information that this authentication sign is complementary this moment, be used to point out the user current TV signal play authorization situation, one of the information that is complementary with the authentication sign for example can be referring to table 2.
| Authorization conditions | The authentication sign | Information |
| Authorize and play | A | Play |
| Unauthorized broadcast | B | Need to pay and play |
| Play non-one's respective area | C | Non-one's respective area signal |
| Non-rank play | D | Non-level signal |
Table 2
Need to prove, step 101 and step 102 are not the step that this TV signal state display method mustn't be carried out at every turn, when the information that presets state grade information and described state grade information matches, and preset the reference state class information and with the information of playing the authentication information coupling after, this TV signal state display method can begin to carry out from step 103.
Herein, during concrete enforcement, can detect the quantity of data packets that in the unit interval, receives TV signal, generate corresponding state grade information according to described quantity of data packets, the time span of this unit interval can be provided with according to the actual needs, for example 10 milliseconds or 20 milliseconds etc.Step 103 can periodically be carried out according to the default time interval.This moment can preliminary setting data bag quantity and the corresponding relation of state grade information, when detection receives the data packet number of TV signal in the unit interval after, can obtain default and information described state grade information matches according to this corresponding relation, during concrete enforcement, can preset data bag quantity and the corresponding relation of status indicator, when detection receives the data packet number of TV signal in the unit interval after, generation has the state grade information of status indicator, and the corresponding relation of data packet number and status indicator concrete is for example referring to table 3.
| Data packet number | Status indicator |
| [0，10) | 0 |
| [10，100) | 1 |
| [100，300) | 2 |
| [300，1000) | 3 |
| ＞1000 | 4 |
Table 3
Herein, during concrete enforcement, can in table 1, inquire about and obtain information with described state grade information matches according to the status indicator information in the described state grade information, for example current detection is 350 to the data packet number that receives TV signal in the unit interval, then the status indicator in the state grade information of Sheng Chenging is 3, inquires about and obtains the information that is complementary according to this status indicator and be " signal quality is good " in table 1.
In addition, step 104 can also may further comprise the steps:
Step 1041 is obtained the broadcast authentication information;
Herein, during concrete enforcement, set-top box may exist not authorize to be play TV signal, this moment, the picture of output will be a blank screen, the TV signal that respective signal is second-rate, for example in the table 1 Status Level be in, difference and the TV signal of no signal, this moment, picture displayed was comparatively fuzzy, user's attention rate is lower, and only point out the information of TV signal broadcast state to get final product this moment; The TV signal that corresponding mass is good more, for example Status Level is excellent and good TV signal in the table 1, the picture displayed definition is higher, user's attention rate is higher, only pointing out the information of TV signal broadcast state this moment still can not be that the user is known the reason that this blank screen situation occurs, therefore for answering the good more TV signal of quality, need further obtain the broadcast authentication information that Conditional Access Module generates this moment, be used to point out the licensing status of user's current demand signal, Conditional Access Module can carry out authentication to TV signal according to the right of broadcasting limit information in the condition receiving card of user's insertion, and the corresponding authentication information of playing of generation, play and generally contain the authentication sign in the authentication information, be used to represent set-top box to current TV signal play authorization situation, one that plays authentication information for example can be referring to table 4.
| Authorization conditions | The authentication sign |
| Authorize and play | A |
| Unauthorized broadcast | B |
| Play non-one's respective area | C |
| Non-rank play | D |
Table 4
Authentication in for example current broadcast authentication information is designated " B ", shows that then set-top box do not have the broadcast authority to current TV signal, needs could play after paying, and exporting picture at this moment is blank screen.
Step 1042 according to described broadcast authentication information, is obtained the information of coupling.
Herein, during concrete enforcement, can be identified at the information of inquiring about in the table 2 and obtaining with described broadcast authentication information coupling according to the authentication in the broadcast authentication information of Conditional Access Module generation, for example be designated " B " for above-mentioned authentication, inquiring about and obtain information in table 2 " needs to pay and plays ", thus the reason of the current blank screen state appearance of prompting user.
Herein, when the information only obtained in the step 104 with described state grade information matches, the information that then only shows this and described state grade information matches, TV signal in for example being for state grade, the information that only shows " signal quality is medium ", for only showing when having obtained in the step 104 and having play information that authentication information mates and during with the information of state grade information matches, then show simultaneously with the information of playing the authentication information coupling and with the information of state grade information matches, be excellent TV signal for example for state grade, the information that both showed " signal quality is outstanding ", the information that demonstration again " is authorized and play ".
In addition, when display reminding information, can determine the display size of information, according to described display size display reminding information in described television image viewing area according to the size of television image viewing area.The television image viewing area that this television image viewing area can be the preview window, the television image viewing area in the time of also can being full screen display.
Need to prove, when the picture of set-top box output abnormal conditions occurs and is, the user can be according to the information of current television signal broadcast state, can judge the abnormal reason of picture substantially, for example the information of current television signal broadcast state is " signal quality is outstanding ", the information of playing authentication is " normal play ", the present image picture then is in ambiguous state, then the user can judge the unclear picture of present Fuzzy substantially and not caused by TV signal, but may or improper causing be set by the fault of television set; Otherwise, the information of current television signal broadcast state is " signal quality is bad ", the present image picture then is in ambiguous state, then the user can judge the unclear picture of present Fuzzy substantially and caused by TV signal, rather than by the fault of television set or improper causing is set.For the blank screen situation, the information of current television signal broadcast state is " signal quality is outstanding ", the information of playing authentication is " normal play ", then the user can judge the blank screen situation substantially and not caused by TV signal, but may or improper causing be set by the fault of television set; The information of current television signal broadcast state is " signal quality is outstanding ", the information of playing authentication is " unauthorized broadcast ", then the user can judge current blank screen situation substantially and caused by TV signal, rather than by the fault of television set or improper causing is set.
Fig. 2 is the structure principle chart of set-top box in the embodiment of the invention, comprises Conditional Access Module 21, first memory module 22, second memory module 23, detection module 24, information acquisition module 25 and display module 26, wherein:
Herein, when specifically implementing, Conditional Access Module 21 carries out authentication according to the right of broadcasting limit information in the condition receiving card of user's insertion to TV signal.
Herein, during concrete enforcement, the broadcast state of TV signal can be divided into several state grades, and information is set for each state grade, state grade can identify with unique state to be represented, make things convenient for the identification of state grade, one of the information of state grade information and described state grade information matches for example can be referring to table 1.
Herein, the reference state class information is the standard that judges whether to play authentication, and for example the reference state class information can be during state grade is, status indicator is 2 state grade information.During concrete enforcement, playing authentication information is the message that Conditional Access Module sends, wherein generally contain the authentication sign, be used to represent that set-top box is to current TV signal play authorization situation, can be arranged at the information that this authentication sign is complementary this moment, be used to point out the user current TV signal play authorization situation, one of the information that is complementary with authentication sign for example can be referring to table 2.
Data packet detecting unit unit 241 is used to detect the quantity of data packets that receives TV signal in the unit interval;
Herein, the time span of this unit interval can be provided with according to the actual needs, for example 10 milliseconds or 20 milliseconds etc.
Class information generation unit 242 generates corresponding state grade information according to the first 241 detected quantity of data packets of described data packet detecting unit;
This moment can preliminary setting data bag quantity and the corresponding relation of state grade information, when detection receives the data packet number of TV signal in the unit interval after, can obtain default and information described state grade information matches according to this corresponding relation, during concrete enforcement, can preset data bag quantity and the corresponding relation of status indicator, when detection receives the data packet number of TV signal in the unit interval after, generation has the state grade information of status indicator, and the corresponding relation of data packet number and status indicator concrete is for example referring to table 3.
Herein, the default time interval can be set according to concrete needs, for example 1 second or 2 seconds etc.
Herein, during concrete enforcement, can in table 1, inquire about and obtain information with described state grade information matches according to the status indicator information in the described state grade information, for example current detection is 350 to the data packet number that receives TV signal in the unit interval, then the status indicator in the state grade information of Sheng Chenging is 3, inquires about and obtains the information that is complementary according to this status indicator and be " signal quality is good " in table 1.
Authentication information acquiring unit 251, be used to obtain the broadcast authentication information that generates of the Conditional Access Module of telling;
Herein, during concrete enforcement, set-top box may exist not authorize to be play TV signal, this moment, the picture of output will be a blank screen, the TV signal that respective signal is second-rate, for example in the table 1 Status Level be in, difference and the TV signal of no signal, this moment, picture displayed was comparatively fuzzy, user's attention rate is lower, and only point out the information of TV signal broadcast state to get final product this moment; The TV signal that corresponding mass is good more, for example Status Level is excellent and good TV signal in the table 1, the picture displayed definition is higher, user's attention rate is higher, only pointing out the information of TV signal broadcast state this moment still can not be that the user is known the reason that this blank screen situation occurs, therefore for answering the good more TV signal of quality, need further obtain the broadcast authentication information that Conditional Access Module generates this moment, be used to point out the licensing status of user's current demand signal, Conditional Access Module can carry out authentication to TV signal according to the right of broadcasting limit information in the condition receiving card of user's insertion, and the corresponding authentication information of playing of generation, play and generally contain the authentication sign in the authentication information, be used to represent set-top box to current TV signal play authorization situation, one that plays authentication information for example can be referring to table 4.
Authentication information acquiring unit 252 is used for the broadcast authentication information that obtains according to acquiring unit 251, obtains the information of coupling.
Herein, during concrete enforcement, can be identified at the information of inquiring about in the table 2 and obtaining with described broadcast authentication information coupling according to the authentication in the broadcast authentication information of Conditional Access Module generation, for example be designated " B " for above-mentioned authentication, inquiring about and obtain information in table 2 " needs to pay and plays ", thus the reason of the current blank screen state appearance of prompting user.
Herein, when information acquisition module 25 only obtains information with described state grade information matches, the information that then only shows this and described state grade information matches, TV signal in for example being for state grade, the information that only shows " signal quality is medium ", for only showing when having obtained in the information acquisition module 25 and having play information that authentication information mates and during with the information of state grade information matches, then show simultaneously with the information of playing the authentication information coupling and with the information of state grade information matches, be excellent TV signal for example for state grade, the information that both showed " signal quality is outstanding ", the information that demonstration again " is authorized and play ".
In addition, when display reminding information, can determine the display size of information, according to described display size display reminding information in described television image viewing area according to the size of television image viewing area.The television image viewing area that this television image viewing area can be the preview window, the television image viewing area in the time of also can being full screen display.
In sum, implement the embodiment of the invention, by detecting the broadcast state of TV signal, and generation is corresponding to the state grade information of described broadcast state, according to described state grade information, obtain default and information described state grade information matches, show described information, can make the user know the broadcast state of current television signal, when the picture of set-top box output abnormal conditions occurs and is, the user can judge the abnormal reason of picture substantially according to the broadcast state of current television signal, is user-friendly to.
Above disclosed is preferred embodiment of the present invention only, can not limit the present invention's interest field certainly with this, and therefore the equivalent variations of doing according to claim of the present invention still belongs to the scope that the present invention is contained.
Claims (10)
1. a TV signal state display method is characterized in that, comprising:
Detect the broadcast state of TV signal, and generate state grade information corresponding to described broadcast state;
According to described state grade information, obtain default and information described state grade information matches;
Show described information.
2. TV signal state display method as claimed in claim 1 is characterized in that, the broadcast state of described detection TV signal, and the state grade information step that generates corresponding to described broadcast state comprises before:
The state grade of default TV signal broadcast state and the information of mating with described state grade.
3. TV signal state display method as claimed in claim 2 is characterized in that, the broadcast state of described detection TV signal, and the state grade information step that generates corresponding to described broadcast state comprises before:
Default information of mating with the broadcast authentication information.
4. TV signal state display method as claimed in claim 3 is characterized in that, the broadcast state of described detection TV signal, and the state grade information step that generates corresponding to described broadcast state is specially:
Detection receives the quantity of data packets of TV signal in the unit interval;
Generate corresponding state grade information according to described quantity of data packets.
5. TV signal state display method as claimed in claim 4 is characterized in that, described detection receives TV signal in the unit interval quantity of data packets step is specially:
Periodically detect the quantity of data packets that in the unit interval, receives TV signal according to the default time interval.
6. TV signal state display method as claimed in claim 5 is characterized in that, and is described according to described state grade information, obtains defaultly also to comprise with information step described state grade information matches:
Obtain the broadcast authentication information of generation;
According to described broadcast authentication information, obtain the information of coupling.
7. a set-top box comprises the Conditional Access Module that TV signal is carried out authentication, it is characterized in that, also comprises:
Detection module is used to detect the broadcast state of described TV signal, and generates the state grade information corresponding to described broadcast state;
The information acquisition module is used for the state grade information that generates according to described detection module, obtains default and information described state grade information matches;
Display module is used to show that described information acquisition module obtains information.
8. set-top box as claimed in claim 7 is characterized in that, comprising:
First memory module is used to store the state grade of default TV signal broadcast state and the information of mating with described state grade;
Second memory module is used to store default and the information of playing the authentication information coupling.
9. set-top box as claimed in claim 8 is characterized in that, described detection module comprises:
Data packet detecting unit unit is used to detect the quantity of data packets that receives TV signal in the unit interval;
The class information generation unit generates corresponding state grade information according to the detected quantity of data packets of described data packet detecting unit unit;
Timing unit is used for periodically indicating the first quantity of data packets that receives TV signal in the unit interval that detects of described data packet detecting unit according to the default time interval.
10. set-top box as claimed in claim 9 is characterized in that, described information acquisition module comprises:
The authentication information acquiring unit is used to obtain the broadcast authentication information that described Conditional Access Module generates;
Authentication information acquiring unit is used to obtain the information of the broadcast authentication information coupling of obtaining with described authentication information acquiring unit.
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Application publication date: 20110629 |