CN101753788A - Method for automatically updating signal parameters of television and television - Google Patents
Method for automatically updating signal parameters of television and television Download PDFInfo
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- CN101753788A CN101753788A CN200810241506A CN200810241506A CN101753788A CN 101753788 A CN101753788 A CN 101753788A CN 200810241506 A CN200810241506 A CN 200810241506A CN 200810241506 A CN200810241506 A CN 200810241506A CN 101753788 A CN101753788 A CN 101753788A
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- 238000001514 detection method Methods 0.000 claims description 15
- 238000012795 verification Methods 0.000 claims description 9
- 230000000977 initiatory effect Effects 0.000 claims description 6
- 238000013507 mapping Methods 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000004891 communication Methods 0.000 abstract 1
- 230000007547 defect Effects 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 abstract 1
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- 230000008859 change Effects 0.000 description 1
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Abstract
The invention relates to the technology of digital televisions, and provides a method for automatically updating signal parameters of a television and a television aiming at the defect that the prior art cannot timely re-identify a signal when an information source signal is changed. The television comprises a signal identification module and an identification control module, wherein the identification control module is in communication connection with the signal identification module for periodically detecting whether the bit error rate of the current channel television signal exceeds a preset threshold value, if so, controlling the signal identification module to re-identify the signal for the channel. The invention also provides the method for automatically updating signal parameters of the digital television. In the method, due to the real-time monitoring of the bit error rate of the code stream received by the current channel, the stored signal parameters can be timely adjusted by re-identification of the signal when the information source signal is changed, so the method does not need a user to perform manual identification when the information source signal is changed and is convenient for the user to use. Moreover, the technical scheme provided by the invention has a simple structure and is easy to implement.
Description
Technical field
The present invention relates to digital television techniques, more particularly, relate to a kind of television set and digital television signal parameter automatic update method.
Background technology
Existing digital television signal recognition methods generally all is when searching platform signal to be discerned, and then with the information storage such as signal mode that recognize, calls that canned data carries out the parameter setting when start or turntable, and signal is normally shown.In addition, prior art also can be carried out a signal identification again when turntable, if signal has the parameter that will become after just will changing to preserve.
Above-mentioned digital television signal recognition methods implements simple relatively, and is good effective for stable signal.Yet, when signal change that information source sends, continue to use just normal display image of existing parameter.
Therefore, need a kind of digital television signal identifying schemes, can overcome the above-mentioned defective that exists in the prior art.
Summary of the invention
The technical problem to be solved in the present invention is, at the defective that prior art can't in time be discerned signal when source signal changes again, provides a kind of television set and digital television signal parameter automatic update method.
The technical solution adopted for the present invention to solve the technical problems is:
Construct a kind of television set, comprise the signal identification module, also comprise the identification control module, itself and signal identification module communicate to connect, whether be used for regularly detecting the error rate of each channel TV signal above predefined threshold value, if then the control signal identification module carries out signal identification again to this channel.
In television set provided by the invention, described identification control module is further comprising:
First timer is used for sending sense command and zero clearing when the accumulative total duration that detects described channel arrives predefined detection duration, restarts timing then after zero clearing;
Detection module communicates to connect with first timer, is used to receive sense command, and detects the error rate of described channel TV signal, when the detected error rate surpasses predefined threshold value, sends recognition command;
Described signal identification module is used to receive recognition command, and described channel is carried out signal identification again.
In television set provided by the invention, described detection module further comprises:
Second timer is used for sending initiation command and pick up counting when receiving sense command, and sends the termination order and stop timing and zero clearing when the accumulative total duration arrives the verification duration that sets in advance;
The verification module communicates to connect with second timer, is used for:
Receive initiation command, begin the quantity of misdata bag in the quantity that receives packet and write down received data packet and the received data packet;
Receive to stop order, stop to receive packet, and calculate the error rate according to the quantity of misdata newspaper in the quantity of received data packet and the received data packet;
Comparison module communicates to connect with inspection module, is used for the described error rate and the threshold value that sets in advance are compared, and sends recognition command when the described error rate surpasses the threshold value that sets in advance;
Described signal identification module is used to receive described recognition command, and described channel is carried out signal identification.
In television set provided by the invention, described signal identification module is used for determining the signal parameter of this channel TV signal.
In television set provided by the invention, described signal parameter comprises at least one in the following signal parameter:
Carrier mode;
Mapping mode;
The ISN code check;
Frame head information;
Interweaving information.
The present invention also provides a kind of digital television signal parameter automatic update method, comprises, whether the error rate that regularly detects the current channel TV signal surpasses predefined threshold value, if then this channel is carried out signal identification again.
In digital television signal parameter automatic update method provided by the invention, the error rate of described regular detection current channel TV signal further is included in when totally duration arrives the detection duration of described channel, detects the error rate of this channel TV signal.
In digital television signal parameter automatic update method provided by the invention, the error rate of described regular detection current channel TV signal further comprises the quantity of receiving quantity of data packets and error data bag in the recording scheduled duration, determines the described error rate in view of the above.
In digital television signal parameter automatic update method provided by the invention, describedly this channel is carried out signal identification again further comprise, determine the signal parameter of this channel TV signal, and the signal parameter determined of storage.
In digital television signal parameter automatic update method provided by the invention, described signal parameter comprises at least one in the following signal parameter:
Carrier mode;
Mapping mode;
The ISN code check;
Frame head information;
Interweaving information.
Implement technical scheme of the present invention, has following beneficial effect: by each channel regularly being carried out signal identification, can be when source signal changes, in time in time adjust the signal parameter of storage by carrying out signal identification again, carry out manual identification thereby need not the user, user-friendly.In addition, technical scheme provided by the invention is simple in structure, is easy to realize.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation according to the television set of a preferred embodiment of the present invention;
Fig. 2 is the flow chart according to the digital television signal parameter automatic update method of a preferred embodiment of the present invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The invention provides a kind of digital television signal identifying schemes,, overcome prior art causes normally watching TV programme because of source signal changes problem by regularly television channel being carried out signal identification.Below just with specific embodiment technical scheme provided by the invention is described in conjunction with the accompanying drawings.
Fig. 1 is the structural representation according to the television set 100 of a preferred embodiment of the present invention.As shown in Figure 1, television set 100 comprises signal identification module 102 and identification control module 104.
As shown in Figure 1, identification control module 104 is further comprising first timer 104 and inspection module 106.
Described signal identification module 102 is used to receive recognition command, and described channel is carried out signal identification again.
As shown in Figure 1, detection module 106 further comprises second timer 110, verification module 112 and comparison module 114.
The verification module 112 and second timer 110 communicate to connect, and are used to receive initiation command, begin the quantity of misdata bag in the quantity that receives packet and write down received data packet and the received data packet; Receive to stop order, stop to receive packet, and calculate the error rate according to the quantity of misdata newspaper in the quantity of received data packet and the received data packet.
Described signal identification module 102 is used to receive described recognition command, and described channel is carried out signal identification.In the specific implementation process, signal identification module 102 is used for determining the signal parameter of this channel TV signal, and the definite signal parameter of storage.This signal parameter can be carrier mode, mapping mode, ISN code check, frame head information, interweaving information.
The present invention also provides a kind of digital television signal parameter automatic update method, below just described in conjunction with Fig. 2.
Fig. 2 is the flow chart according to the digital television signal parameter automatic update method 200 of a preferred embodiment of the present invention.As shown in Figure 2, method 200 starts from step 202.
Subsequently,, for each channel, judge from the last signal to discern to the cumulative time of current time whether arrived predefined check duration at next step 204, if, then forward step 206 to, otherwise repeated execution of steps 204.
Subsequently, at next step 206, detect the error rate of this channel TV signal.In the specific implementation process, can determine the quantity of misdata bag in data packet number of receiving in the predefined verification duration and the packet of receiving, determine the error rate of this channel with this.
Subsequently, at next step 208, judge whether this error rate surpasses predefined threshold value, if then forward step 210 to, otherwise get back to step 204.
Subsequently,, this signal is carried out signal identification, determine the signal parameter of this channel TV signal at next step 210, and the definite signal parameter of storage.This signal parameter can be carrier mode, mapping mode, ISN code check, frame head information, interweaving information.
At last, method 200 ends at step 212.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. television set, comprise the signal identification module, it is characterized in that, also comprise the identification control module, itself and signal identification module communicate to connect, whether the error rate that is used for regularly detecting the current channel TV signal is above predefined threshold value, if then the control signal identification module carries out signal identification again to this channel.
2. television set according to claim 1 is characterized in that, described identification control module is further comprising:
First timer is used for sending sense command and zero clearing when the accumulative total duration that detects described channel arrives predefined detection duration, restarts timing then after zero clearing;
Detection module communicates to connect with first timer, is used to receive sense command, and detects the error rate of described channel TV signal, when the detected error rate surpasses predefined threshold value, sends recognition command;
Described signal identification module is used to receive recognition command, and described channel is carried out signal identification again.
3. television set according to claim 2 is characterized in that, described detection module further comprises:
Second timer is used for sending initiation command and pick up counting when receiving sense command, and sends the termination order and stop timing and zero clearing when the accumulative total duration arrives the verification duration that sets in advance;
The verification module communicates to connect with second timer, is used for:
Receive initiation command, begin the quantity of misdata bag in the quantity that receives packet and write down received data packet and the received data packet;
Receive to stop order, stop to receive packet, and calculate the error rate according to the quantity of misdata newspaper in the quantity of received data packet and the received data packet;
Comparison module communicates to connect with inspection module, is used for the described error rate and the threshold value that sets in advance are compared, and sends recognition command when the described error rate surpasses the threshold value that sets in advance;
Described signal identification module is used to receive described recognition command, and described channel is carried out signal identification.
4. television set according to claim 3 is characterized in that, described signal identification module is used for determining the signal parameter of this channel TV signal.
5. digital television signal parameter automatic update method according to claim 4 is characterized in that described signal parameter comprises at least one in the following signal parameter:
Carrier mode;
Mapping mode;
The ISN code check;
Frame head information;
Interweaving information.
6. a digital television signal parameter automatic update method is characterized in that, comprises, whether the error rate that regularly detects the current channel TV signal surpasses predefined threshold value, if then this channel is carried out signal identification again.
7. digital television signal parameter automatic update method according to claim 6, it is characterized in that, the error rate of described regular detection current channel TV signal further is included in when totally duration arrives the detection duration of described channel, detects the error rate of this channel TV signal.
8. digital television signal parameter automatic update method according to claim 7, it is characterized in that, the error rate of described regular detection current channel TV signal further comprises the quantity of receiving quantity of data packets and error data bag in the recording scheduled duration, determines the described error rate in view of the above.
9. digital television signal parameter automatic update method according to claim 8 is characterized in that, describedly this channel is carried out signal identification again further comprises, determines the signal parameter of this channel TV signal.
10. digital television signal parameter automatic update method according to claim 9 is characterized in that described signal parameter comprises at least one in the following signal parameter:
Carrier mode;
Mapping mode;
The ISN code check;
Frame head information;
Interweaving information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810241506A CN101753788A (en) | 2008-12-22 | 2008-12-22 | Method for automatically updating signal parameters of television and television |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810241506A CN101753788A (en) | 2008-12-22 | 2008-12-22 | Method for automatically updating signal parameters of television and television |
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| CN101753788A true CN101753788A (en) | 2010-06-23 |
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| CN200810241506A Pending CN101753788A (en) | 2008-12-22 | 2008-12-22 | Method for automatically updating signal parameters of television and television |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106550253A (en) * | 2016-12-08 | 2017-03-29 | 深圳创维－Rgb电子有限公司 | The automatic update method and TV of video parameter |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1112765A (en) * | 1993-11-18 | 1995-11-29 | 株式会社金星社 | Channel equalizer for digital television receiver |
| CN1606346A (en) * | 2003-10-08 | 2005-04-13 | 北京中视联数字系统有限公司 | Automatic recovery method for digital TV receiver program |
| CN1607838A (en) * | 2003-10-16 | 2005-04-20 | 北京中视联数字系统有限公司 | A method for monitoring digital television signal quality |
| CN1825882A (en) * | 2005-02-23 | 2006-08-30 | 株式会社卡西欧日立移动通信 | Device and method for broadcast communication synergic control |
| JP2007201855A (en) * | 2006-01-27 | 2007-08-09 | Maspro Denkoh Corp | Apparatus for retransmitting digital broadcast |
| US20080244684A1 (en) * | 2004-11-29 | 2008-10-02 | Matsushita Electric Industrial Co., Ltd. | Digital Broadcast Receiving Apparatus |
-
2008
- 2008-12-22 CN CN200810241506A patent/CN101753788A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1112765A (en) * | 1993-11-18 | 1995-11-29 | 株式会社金星社 | Channel equalizer for digital television receiver |
| CN1606346A (en) * | 2003-10-08 | 2005-04-13 | 北京中视联数字系统有限公司 | Automatic recovery method for digital TV receiver program |
| CN1607838A (en) * | 2003-10-16 | 2005-04-20 | 北京中视联数字系统有限公司 | A method for monitoring digital television signal quality |
| US20080244684A1 (en) * | 2004-11-29 | 2008-10-02 | Matsushita Electric Industrial Co., Ltd. | Digital Broadcast Receiving Apparatus |
| CN1825882A (en) * | 2005-02-23 | 2006-08-30 | 株式会社卡西欧日立移动通信 | Device and method for broadcast communication synergic control |
| JP2007201855A (en) * | 2006-01-27 | 2007-08-09 | Maspro Denkoh Corp | Apparatus for retransmitting digital broadcast |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106550253A (en) * | 2016-12-08 | 2017-03-29 | 深圳创维－Rgb电子有限公司 | The automatic update method and TV of video parameter |
| CN106550253B (en) * | 2016-12-08 | 2020-02-14 | 深圳创维－Rgb电子有限公司 | Automatic updating method of television parameters and television |
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Application publication date: 20100623 |