CN106060650A - Method and device for acquiring signal intensity - Google Patents
Method and device for acquiring signal intensity Download PDFInfo
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- CN106060650A CN106060650A CN201610380258.8A CN201610380258A CN106060650A CN 106060650 A CN106060650 A CN 106060650A CN 201610380258 A CN201610380258 A CN 201610380258A CN 106060650 A CN106060650 A CN 106060650A
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- Prior art keywords
- signal strength
- intensity
- signal
- value
- television set
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
- H04N21/4383—Accessing a communication channel
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/04—Diagnosis, testing or measuring for television systems or their details for receivers
- H04N17/045—Self-contained testing apparatus
Abstract
The embodiment of the invention provides a method and a device for acquiring signal intensity. The method comprises steps: the current intensity gear value of a television signal received by the television is acquired; a check intensity value associated with the television is acquired; the current intensity gear value and the check intensity value are used for calculating a signal intensity parameter corresponding to the current intensity gear value; and according to the current intensity gear value, a target intensity value of the television signal is determined, wherein the target intensity value is a specific numerical value. Thus, through the method of the embodiment, the specific intensity of the television signal received by the television can be calculated and obtained.
Description
Technical field
The present invention relates to field of computer technology, particularly relate to a kind of signal intensity acquisition methods and device.
Background technology
Currently, increasing user utilizes television set to carry out the video that Play Server is live.Sometimes, due to various former
More weak because causing television set to receive the signal intensity of TV signal, cause there will be mosaic, sudden strain of a muscle playing video when
Screen or interruption broadcasting etc. affect the phenomenon of user's viewing, thus reduce Consumer's Experience.
Therefore, when the phenomenon that this doubtful signal intensity of appearance is more weak, in order to avoid reducing Consumer's Experience, detection is needed
It is owing to television set itself breaks down, or the TV signal itself that television set receives is more weak, if the former, then needs
Overhaul television set in time, to eliminate mosaic, splashette or to interrupt broadcasting etc. and affect the phenomenon that user watches.
Generally, television set can utilize built-in tuner to obtain the signal intensity of the TV signal received also
Show user, but, show the signal intensity of user to only have multiple fixing gear by tuner, the most by force, neutralize
Weak, these fixing gears can only describe a strength range, it is impossible to describes the concrete intensity of TV signal；But, user
Just can determine that according to concrete intensity television set itself breaks down, or the TV signal itself that television set receives is relatively
Weak.Therefore, how to obtain television reception to the concrete intensity of TV signal be a technical problem urgently to be resolved hurrily.
Summary of the invention
For overcoming problem present in correlation technique, the present invention provides a kind of signal intensity acquisition methods and device.
First aspect according to embodiments of the present invention, it is provided that a kind of signal intensity acquisition methods, is applied to television set, described
Method includes:
Obtain the current intensity gear value of the TV signal that described television set receives；
Obtain the verification intensity level being associated with described television set；
Described current intensity gear value is utilized to calculate corresponding with described current intensity gear value with described verification intensity level
Signal strength parameter；
The target intensity value of described TV signal is determined according to described signal strength parameter.
Wherein, the verification intensity level that described acquisition is associated with described television set, including；
Obtain the current demodulated standard of described television set；
Obtain the first corresponding relation between demodulation standard and verification intensity level；
In described first corresponding relation, search the verification intensity level corresponding with described current demodulated standard, and as with
The verification intensity level that described television set is associated.
Wherein, described described current intensity gear value and described verification intensity level is utilized to calculate and described current intensity gear
The signal strength parameter that value is corresponding, including:
Described current intensity gear value and described verification intensity level are carried out subtraction obtain and described current intensity shelves
The signal strength parameter that place value is corresponding.
Wherein, the described target intensity value determining described TV signal according to described signal strength parameter, including:
Obtain the second corresponding relation between signal strength parameter interval and signal strength values computing formula；
In described second corresponding relation, determine that the signal strength parameter at described signal strength parameter place is interval；
In described second corresponding relation, search corresponding signal strength values interval with described signal strength parameter calculate
Formula；Variable in described signal strength values computing formula includes signal strength parameter；
Described signal strength parameter and described signal strength values computing formula is utilized to calculate described target intensity value.
Further, described method also includes:
Prompt the user with the described target intensity value of described TV signal.
Wherein, described in prompt the user with the described target intensity value of described TV signal, including:
The described target intensity value of described TV signal is shown in the screen of described television set；
And/or,
The described target intensity value of described TV signal is reported by the form of voice.
Second aspect according to embodiments of the present invention, it is provided that a kind of signal intensity acquisition device, is applied to television set, described
Device includes:
First acquisition module, for obtaining the current intensity gear value of the TV signal that described television set receives；
Second acquisition module, for obtaining the verification intensity level being associated with described television set；
Computing module, is used for utilizing described current intensity gear value and described verification intensity level to calculate and described current intensity
The signal strength parameter that gear value is corresponding；
Determine module, for determining the target intensity value of described TV signal according to described signal strength parameter.
Wherein, described second acquisition module includes；
First acquiring unit, for obtaining the current demodulated standard of described television set；
Second acquisition unit, for obtaining the first corresponding relation between demodulation standard and verification intensity level；
First searches unit, for searching the school corresponding with described current demodulated standard in described first corresponding relation
Test intensity level, and as the verification intensity level being associated with described television set.
Wherein, described computing module includes:
Arithmetic element, obtains and institute for described current intensity gear value and described verification intensity level are carried out subtraction
State the signal strength parameter that current intensity gear value is corresponding.
Wherein, described determine that module includes:
3rd acquiring unit, for obtaining the second couple between signal strength parameter interval and signal strength values computing formula
Should be related to；
Determine unit, in described second corresponding relation, determine the signal intensity at described signal strength parameter place
Parameter is interval；
Second searches unit, corresponding with described signal strength parameter interval for searching in described second corresponding relation
Signal strength values computing formula；Variable in described signal strength values computing formula includes signal strength parameter；
Computing unit, is used for utilizing described signal strength parameter and described signal strength values computing formula to calculate described target
Intensity level.
Further, described device also includes:
Reminding module, for prompting the user with the described target intensity value of described TV signal.
Wherein, described reminding module includes:
Display unit, for showing the described target intensity value of described TV signal in the screen of described television set；
And/or,
Report unit, for being reported the described target intensity value of described TV signal by the form of voice.
The third aspect according to embodiments of the present invention, it is provided that a kind of television set, described television set includes:
Processor；
For storing the memorizer of processor executable；
Wherein, described processor is configured to:
Obtain the current intensity gear value of the TV signal that described television set receives；
Obtain the verification intensity level being associated with described television set；
Described current intensity gear value is utilized to calculate corresponding with described current intensity gear value with described verification intensity level
Signal strength parameter；
The target intensity value of described TV signal is determined according to described signal strength parameter.
The technical scheme that embodiments of the invention provide can include following beneficial effect:
In embodiments of the present invention, the current intensity gear value of the TV signal that television set receives is obtained；Obtain and electricity
The verification intensity level being associated depending on machine；Current intensity gear value and this verification intensity level is utilized to calculate and current intensity gear value pair
The signal strength parameter answered；Determine the target intensity value of TV signal according to this signal strength parameter, target intensity value is one
Concrete numerical value, therefore, by being calculated, by the method for the embodiment of the present invention, the TV signal that television set receives
Concrete intensity.
It should be appreciated that it is only exemplary and explanatory, not that above general description and details hereinafter describe
The present invention can be limited.
Accompanying drawing explanation
Accompanying drawing herein is merged in description and constitutes the part of this specification, it is shown that meet the enforcement of the present invention
Example, and for explaining the principle of the present invention together with description.
Fig. 1 is the flow chart according to a kind of signal intensity acquisition methods shown in an exemplary embodiment；
Fig. 2 is the block diagram according to a kind of signal intensity acquisition device shown in an exemplary embodiment；
Fig. 3 is according to a kind of television set shown in an exemplary embodiment.
Detailed description of the invention
Here will illustrate exemplary embodiment in detail, its example represents in the accompanying drawings.Explained below relates to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represents same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the present invention.On the contrary, they are only with the most appended
The example of the apparatus and method that some aspects that described in detail in claims, the present invention are consistent.
Fig. 1 is the flow chart according to a kind of signal intensity acquisition methods shown in an exemplary embodiment, as it is shown in figure 1,
The method is used for television set, and the method comprises the following steps.
In step S101, obtain the current intensity gear value of the TV signal that television set receives；
Wherein, in this step, television set can utilize the tuner installed in television set to obtain TV signal, and utilizes
Tuner obtains the current intensity gear value of this TV signal.
In embodiments of the present invention, the intensity gear of TV signal include relatively strong, strong, in, weak and more weak etc., each
The most corresponding gear value of individual gear, the gear value that different gears is corresponding is different.Such as, the gear that gear " stronger " is corresponding
Value is for-10db, and the gear value that gear " by force " is corresponding is-25db, gear " in " gear value of correspondence is-50db, gear " weak " is right
The gear value answered is-75db, and the gear value of gear " more weak " correspondence is-90db etc..
In step s 102, the verification intensity level being associated with television set is obtained；
In embodiments of the present invention, it is generally the case that television set need the video code flow received is demodulated, but
The demodulation standard that target has existed has a variety of, the verification intensity level difference that different demodulation standards is corresponding；For any one
Individual demodulation standard, this demodulation standard and the verification intensity level corresponding with this demodulation standard can be formed one by technical staff in advance
In the first corresponding relation between demodulation standard and verification angle value that record storage stores in a television set；Each for other
Individual demodulation standard, is performed both by aforesaid operations.
Therefore, in this step, the current demodulated standard of television set can be obtained；Then television local storage is obtained
The first corresponding relation between demodulation standard and verification intensity level；Search and current demodulated standard in the first corresponding relation afterwards
Corresponding verification intensity level, and as the verification intensity level being associated with television set.
In step s 103, current intensity gear value is utilized to calculate corresponding with current intensity gear value with this verification intensity level
Signal strength parameter；
Specifically, current intensity gear value and this verification intensity level can be carried out subtraction to obtain and current intensity shelves
The signal strength parameter that place value is corresponding.
In step S104, determine the target intensity value of TV signal according to this signal strength parameter.
In embodiments of the present invention, signal strength parameter has a theoretical interval, can be (-∞ ,+∞), technology people
It is interval that signal strength parameter theory interval can be split as multiple signal strength parameter by member in advance, each signal strength parameter district
Between an all corresponding signal strength values computing formula, the signal strength values computing formula that different signal strength parameter intervals is corresponding
Difference, the variable in each signal strength values computing formula can include signal strength parameter, it is of course also possible to include other
Parameter, this is not limited by the present invention.The embodiment of the present invention only includes signal with the variable in signal strength values computing formula
It is illustrated as a example by intensive parameter, but not as limiting the scope of the invention.
Interval for any one signal strength parameter, technical staff can by interval for this signal strength parameter and with this signal
It is interval strong with signal that signal strength values computing formula corresponding to intensive parameter interval is stored in locally stored signal strength parameter
In the second corresponding relation between angle value computing formula.Interval for other each signal strength parameters, it is performed both by above-mentioned behaviour
Make.Wherein, the second corresponding relation includes two row, and first row storage is that signal strength parameter is interval, and secondary series storage is letter
Number intensity level computing formula.
Therefore, this step is specifically as follows: television set can obtain locally stored signal strength parameter interval and signal
The second corresponding relation between intensity level computing formula；Then, in the second corresponding relation, this signal strength parameter place is determined
Signal strength parameter interval；Such as in multiple signal strength parameter intervals of the first row in the second corresponding relation, determine
The signal strength parameter at this signal strength parameter place is interval；Search strong with this signal determined again in the second corresponding relation
The interval corresponding signal strength values computing formula of degree parameter；Utilize this signal strength parameter and this signal found strong afterwards
Angle value computing formula calculates target intensity value.
With a concrete instance, the embodiment of the present invention is specifically described.For example, it is assumed that skill in embodiments of the present invention
The theoretical interval of signal strength parameter is split as 5 signal strength parameter intervals by art personnel, be respectively as follows: (-∞ ,-15db), [-
15db, 0db), [0db, 20db), [20db, 35db) and [35db ,+∞).
Assume that signal strength parameter Srel represents, when signal strength parameter interval is (-∞ ,-15db), signal intensity
Value computing formula is: Srel-Srel+0；When signal strength parameter interval be [-15db, 0db) time, signal strength values computing formula
ForWhen signal strength parameter interval be [0db, 20db) time, signal strength values computing formula is 4*Srel+10；
When signal strength parameter interval be [20db, 35db) time, signal strength values computing formula isAnd when letter
Number intensive parameter interval be [35db ,+∞) time, signal strength values computing formula is Srel-Srel+100, and the second corresponding relation can
With as shown in table 1 below.
Table 1
For example, it is assumed that this signal strength parameter is 10db, then this signal strength parameter is positioned at signal strength parameter interval
[0db, 20db) in, interval with signal strength parameter [0db, 20db) corresponding signal strength values computing formula is 4*Srel+
10, then utilize this signal strength parameter 10db and signal strength values computing formula 4*Srel+10 to be calculated target intensity value to be
50db。
In embodiments of the present invention, the current intensity gear value of the TV signal that television set receives is obtained；Obtain and electricity
The verification intensity level being associated depending on machine；Current intensity gear value and this verification intensity level is utilized to calculate and current intensity gear value pair
The signal strength parameter answered；Determine the target intensity value of TV signal according to this signal strength parameter, target intensity value is one
Concrete numerical value, therefore, by being calculated, by the method for the embodiment of the present invention, the TV signal that television set receives
Concrete intensity.
Further, in embodiments of the present invention, so that user or technical staff can be according to target intensity value
Overhaul television set itself to break down or the signal of the television video that television set receives is more weak, therefore, in this step
Afterwards, the method also includes: prompt the user with the target intensity value of TV signal.Wherein it is possible to it is aobvious in the screen of television set
Show the target intensity value of TV signal；Or, the target intensity value of TV signal is reported by the form of voice；Or, both existed
The screen of television set shows the target intensity value of TV signal；Form further through voice reports the target strength of TV signal
Value.Wherein, when prompting the user with the target intensity value of TV signal, can prompt the user with the form of percentage ratio, such as
Target intensity value and 100% are carried out multiplying and obtains an accounting, using this accounting as the target intensity value of TV signal
It is prompted to user.
Fig. 2 is the block diagram according to a kind of signal intensity acquisition device shown in an exemplary embodiment.With reference to Fig. 2, this dress
Put and include:
First acquisition module 11, for obtaining the current intensity gear value of the TV signal that described television set receives；
Second acquisition module 12, for obtaining the verification intensity level being associated with described television set；
Computing module 13, is used for utilizing described current intensity gear value and described verification intensity level to calculate current strong with described
The signal strength parameter that degree gear value is corresponding；
Determine module 14, for determining the target intensity value of described TV signal according to described signal strength parameter.
Wherein, described second acquisition module 12 includes；
First acquiring unit, for obtaining the current demodulated standard of described television set；
Second acquisition unit, for obtaining the first corresponding relation between demodulation standard and verification intensity level；
First searches unit, for searching the school corresponding with described current demodulated standard in described first corresponding relation
Test intensity level, and as the verification intensity level being associated with described television set.
Wherein, described computing module 13 includes:
Arithmetic element, obtains and institute for described current intensity gear value and described verification intensity level are carried out subtraction
State the signal strength parameter that current intensity gear value is corresponding.
Wherein, described determine that module 14 includes:
3rd acquiring unit, for obtaining the second couple between signal strength parameter interval and signal strength values computing formula
Should be related to；
Determine unit, in described second corresponding relation, determine the signal intensity at described signal strength parameter place
Parameter is interval；
Second searches unit, corresponding with described signal strength parameter interval for searching in described second corresponding relation
Signal strength values computing formula；Variable in described signal strength values computing formula includes signal strength parameter；
Computing unit, is used for utilizing described signal strength parameter and described signal strength values computing formula to calculate described target
Intensity level.
Further, described device also includes:
Reminding module, for prompting the user with the described target intensity value of described TV signal.
Wherein, described reminding module includes:
Display unit, for showing the described target intensity value of described TV signal in the screen of described television set；
And/or,
Report unit, for being reported the described target intensity value of described TV signal by the form of voice.
In embodiments of the present invention, the current intensity gear value of the TV signal that television set receives is obtained；Obtain and electricity
The verification intensity level being associated depending on machine；Current intensity gear value and this verification intensity level is utilized to calculate and current intensity gear value pair
The signal strength parameter answered；Determine the target intensity value of TV signal according to this signal strength parameter, target intensity value is one
Concrete numerical value, therefore, by being calculated, by the method for the embodiment of the present invention, the TV signal that television set receives
Concrete intensity.
About the device in above-described embodiment, wherein modules performs the concrete mode of operation in relevant the method
Embodiment in be described in detail, explanation will be not set forth in detail herein.
Fig. 3 is according to a kind of television set shown in an exemplary embodiment.With reference to Fig. 3, this television set includes:
Processor 21；
For storing the memorizer 22 of processor 21 executable instruction；
Wherein, described processor 21 is configured to:
Obtain the current intensity gear value of the TV signal that described television set receives；
Obtain the verification intensity level being associated with described television set；
Described current intensity gear value is utilized to calculate corresponding with described current intensity gear value with described verification intensity level
Signal strength parameter；
The target intensity value of described TV signal is determined according to described signal strength parameter.
In the optional embodiment of one, described processor 21 is configured to:
Obtain the current demodulated standard of described television set；
Obtain the first corresponding relation between demodulation standard and verification intensity level；
In described first corresponding relation, search the verification intensity level corresponding with described current demodulated standard, and as with
The verification intensity level that described television set is associated.
In the optional embodiment of one, described processor 21 is configured to:
Described current intensity gear value and described verification intensity level are carried out subtraction obtain and described current intensity shelves
The signal strength parameter that place value is corresponding.
In the optional embodiment of one, described processor 21 is configured to:
Obtain the second corresponding relation between signal strength parameter interval and signal strength values computing formula；
In described second corresponding relation, determine that the signal strength parameter at described signal strength parameter place is interval；
In described second corresponding relation, search corresponding signal strength values interval with described signal strength parameter calculate
Formula；Variable in described signal strength values computing formula includes signal strength parameter；
Described signal strength parameter and described signal strength values computing formula is utilized to calculate described target intensity value.
In the optional embodiment of one, described processor 21 is configured to:
Prompt the user with the described target intensity value of described TV signal.
In the optional embodiment of one, described processor 21 is configured to:
The described target intensity value of described TV signal is shown in the screen of described television set；
And/or,
The described target intensity value of described TV signal is reported by the form of voice.
Those skilled in the art, after considering description and putting into practice invention disclosed herein, will readily occur to its of the present invention
Its embodiment.The application is intended to any modification, purposes or the adaptations of the present invention, these modification, purposes or
Person's adaptations is followed the general principle of the present invention and includes the undocumented common knowledge in the art of the present invention
Or conventional techniques means.Description and embodiments is considered only as exemplary, and true scope and spirit of the invention are by appended
Claim is pointed out.
It should be appreciated that the invention is not limited in precision architecture described above and illustrated in the accompanying drawings, and
And various modifications and changes can carried out without departing from the scope.The scope of the present invention is only limited by appended claim.
Claims (13)
1. a signal intensity acquisition methods, is applied to television set, it is characterised in that described method includes:
Obtain the current intensity gear value of the TV signal that described television set receives；
Obtain the verification intensity level being associated with described television set；
Described current intensity gear value is utilized to calculate the signal corresponding with described current intensity gear value with described verification intensity level
Intensive parameter；
The target intensity value of described TV signal is determined according to described signal strength parameter.
Method the most according to claim 1, it is characterised in that the verification intensity that described acquisition is associated with described television set
Value, including；
Obtain the current demodulated standard of described television set；
Obtain the first corresponding relation between demodulation standard and verification intensity level；
The verification intensity level corresponding with described current demodulated standard is searched in described first corresponding relation, and as with described
The verification intensity level that television set is associated.
Method the most according to claim 1, it is characterised in that described utilize described current intensity gear value and described verification
Intensity level calculates the signal strength parameter corresponding with described current intensity gear value, including:
Described current intensity gear value and described verification intensity level are carried out subtraction obtain and described current intensity gear value
Corresponding signal strength parameter.
Method the most according to claim 1, it is characterised in that described determine described TV according to described signal strength parameter
The target intensity value of signal, including:
Obtain the second corresponding relation between signal strength parameter interval and signal strength values computing formula；
In described second corresponding relation, determine that the signal strength parameter at described signal strength parameter place is interval；
Corresponding signal strength values computing formula interval with described signal strength parameter is searched in described second corresponding relation；
Variable in described signal strength values computing formula includes signal strength parameter；
Described signal strength parameter and described signal strength values computing formula is utilized to calculate described target intensity value.
Method the most according to claim 1, it is characterised in that described method also includes:
Prompt the user with the described target intensity value of described TV signal.
Method the most according to claim 5, it is characterised in that described in prompt the user with the described target of described TV signal
Intensity level, including:
The described target intensity value of described TV signal is shown in the screen of described television set；
And/or,
The described target intensity value of described TV signal is reported by the form of voice.
7. a signal intensity acquisition device, is applied to television set, it is characterised in that described device includes:
First acquisition module, for obtaining the current intensity gear value of the TV signal that described television set receives；
Second acquisition module, for obtaining the verification intensity level being associated with described television set；
Computing module, is used for utilizing described current intensity gear value and described verification intensity level to calculate and described current intensity gear
The signal strength parameter that value is corresponding；
Determine module, for determining the target intensity value of described TV signal according to described signal strength parameter.
Device the most according to claim 7, it is characterised in that described second acquisition module includes；
First acquiring unit, for obtaining the current demodulated standard of described television set；
Second acquisition unit, for obtaining the first corresponding relation between demodulation standard and verification intensity level；
First searches unit, strong for searching the verification corresponding with described current demodulated standard in described first corresponding relation
Angle value, and as the verification intensity level being associated with described television set.
Device the most according to claim 7, it is characterised in that described computing module includes:
Arithmetic element, obtains working as with described for described current intensity gear value and described verification intensity level carry out subtraction
The signal strength parameter that front intensity gear value is corresponding.
Device the most according to claim 7, it is characterised in that described determine that module includes:
3rd acquiring unit, for obtaining the interval pass corresponding with second between signal strength values computing formula of signal strength parameter
System；
Determine unit, in described second corresponding relation, determine the signal strength parameter at described signal strength parameter place
Interval；
Second searches unit, for searching corresponding letter interval with described signal strength parameter in described second corresponding relation
Number intensity level computing formula；Variable in described signal strength values computing formula includes signal strength parameter；
Computing unit, is used for utilizing described signal strength parameter and described signal strength values computing formula to calculate described target strength
Value.
11. devices according to claim 7, it is characterised in that described device also includes:
Reminding module, for prompting the user with the described target intensity value of described TV signal.
12. devices according to claim 11, it is characterised in that described reminding module includes:
Display unit, for showing the described target intensity value of described TV signal in the screen of described television set；
And/or,
Report unit, for being reported the described target intensity value of described TV signal by the form of voice.
13. 1 kinds of television sets, it is characterised in that described television set includes:
Processor；
For storing the memorizer of processor executable；
Wherein, described processor is configured to:
Obtain the current intensity gear value of the TV signal that described television set receives；
Obtain the verification intensity level being associated with described television set；
Described current intensity gear value is utilized to calculate the signal corresponding with described current intensity gear value with described verification intensity level
Intensive parameter；
The target intensity value of described TV signal is determined according to described signal strength parameter.
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| CN1787650A (en) * | 2005-09-29 | 2006-06-14 | 深圳创维－Rgb电子有限公司 | Apparatus and method for monitoring TV signal strength |
| CN101651790A (en) * | 2008-08-15 | 2010-02-17 | 康佳集团股份有限公司 | TV, and device and method for indicating TV signal intensity |
| CN102625175A (en) * | 2012-03-05 | 2012-08-01 | 深圳创维数字技术股份有限公司 | Television signal prompting method, corresponding device and system |
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