CN103002340B - Digital television devices collects the method for television guide information - Google Patents
Digital television devices collects the method for television guide information Download PDFInfo
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- CN103002340B CN103002340B CN201210524097.7A CN201210524097A CN103002340B CN 103002340 B CN103002340 B CN 103002340B CN 201210524097 A CN201210524097 A CN 201210524097A CN 103002340 B CN103002340 B CN 103002340B
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000001914 filtration Methods 0.000 claims description 8
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000003442 weekly effect Effects 0.000 description 3
- 230000003203 everyday effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The present invention relates to television technologies.The invention solves the problem that existing digital television devices cannot store a large amount of television guide information, provide a kind of method that digital television devices collects television guide information, its technical scheme can be summarized as: filter array by limiting one, channel ID in certain limit before and after current channel ID and current channel is placed in and filters array, digital television devices only collect to filter in array comprise the television guide information of channel ID, and delete the television guide information of the channel ID in non-filtered array.The invention has the beneficial effects as follows, save digital television devices memory space, be applicable to digital television devices.
Description
Technical field
The present invention relates to television technologies, particularly digital television devices collects the technology of television guide information.
Background technology
In the use of digital television, we need to collect television guide information from operator front end, and along with the development of Digital Television, the program amount that operator is broadcasting end input is increasing, each program is corresponding corresponding TV guide, the amount of information of TV guide also can be increasing.Concrete data calculate as: if each 100 bytes of television guide information, comprise event name, brief introduction etc., per half an hour an event (event, refer to a TV programme, as: an event is calculated in news hookup, an event is calculated in weather forecast), the data flow of one day channel just has 4800 bytes, one weekly assembly reaches 33600 bytes, and (general television guide information broadcasts with the form of weekly or each program is broadcast separately, the television guide information weekly received can empty when shutdown in every day and heavily be received, also can empty or heavily receive after one week even if do not empty, namely refer to no matter how television guide information sends, digital television devices is preserved one week all at most, therefore all bytes are adopted to be described), our digital TV channel is at about 150 at present, the data volume of one week will reach 4.8M byte.Along with the increase of operator's channel amount, likely can reach 300 next year, the year after next 500, may reach 1000 channels even, in time reaching 1000 channels, the data volume of a week will reach 32M byte.But the algorithm in current digital television devices television guide information data all for operator broadcast end is all searched for and downloaded preserve, and digital television devices has certain service life, the product bought now still can use after 3 years, just current, the memory amount used in translating type digital TV set-top box is about 32M byte, can be used in television guide information receive between 6M byte to 9M byte, so according to the digital TV channel speedup envisioned, current digital TV set-top box just can not satisfy the demands after one year.
Summary of the invention
The object of the invention is to overcome the shortcoming that current digital television devices television guide information cannot meet the demands, provide a kind of digital television devices to collect the method for television guide information.
The present invention solves its technical problem, and the technical scheme of employing is, digital television devices collects the method for television guide information, it is characterized in that, comprises the following steps:
Preset one in step 1, system and filter array, described filtration array comprises the channel before and after a location channel and this location channel in certain limit;
Step 2, user start shooting use digital television devices, select a channel to be current channel;
Current channel ID is placed in current filter array as location channel by step 3, system, and the channel ID in certain limit before and after location channel is placed in current filter array;
Step 4, system collection preserve the television guide information that in current filter array, all channel ID are corresponding, delete the non-present stored and filter the television guide information that in array, all channel ID are corresponding;
If step 5 user changes channel, then the new channel changed is current channel, gets back to step 3.
Concrete, in step 1, the channel ID before and after described location channel in certain limit refers to front at least one channel ID of location channel and rear at least one channel ID of location channel.
Further, the channel ID before and after described location channel in certain limit refers to front 20 channel ID of location channel and rear 60 channel ID of location channel.
The invention has the beneficial effects as follows, the method of television guide information is collected by above-mentioned digital television devices, can not because of the dilatation of front-end digital television channel unconfined larger production internal memory, save digital television devices cost, namely little internal memory can be effective, and the dilatation of front-end digital television channel also can not have an impact to back-end digital television equipment, user can not be allowed to go again because of Out of Memory to buy new digital television devices, save user cost.
Embodiment
Below in conjunction with embodiment, describe technical scheme of the present invention in detail.
Digital television devices of the present invention is collected in the method for television guide information: preset one first in systems in which and filter array, described filtration array comprises the channel before and after a location channel and this location channel in certain limit, when user starts shooting use digital television devices, user selects a channel, this channel is current channel, current channel ID is placed in current filter array as location channel by system, and the channel ID in certain limit before and after location channel is placed in current filter array, then system collection preserve the television guide information that in current filter array, all channel ID are corresponding, delete the non-present stored and filter the television guide information that in array, all channel ID are corresponding, if user changes channel, then the new channel changed is current channel, system of getting back to using current channel ID as that step of location channel.
Embodiment
This example comprises location channel ID, front 20 channel ID of location channel and rear 60 channel ID of location channel to filter array.
First preset in systems in which one and filter array, described filtration array comprises the channel before and after a location channel and this location channel in certain limit, this certain limit refers to front at least one channel ID of location channel and rear at least one channel ID of location channel, be front 20 channel ID of location channel and rear 60 channel ID of location channel in this example, when user starts shooting use digital television devices, user selects a channel, this channel is current channel, current channel ID is placed in current filter array as location channel by system, and the channel ID in certain limit before and after location channel is placed in current filter array, be in this example in current filter array and namely comprise current channel ID, front 20 channel ID of current channel and rear 60 channel ID of current channel, then system collection preserve the television guide information that in current filter array, all channel ID are corresponding, delete the non-present stored and filter the television guide information that in array, all channel ID are corresponding, if user changes channel, then the new channel changed is current channel, system of getting back to using current channel ID as that step of location channel, namely upgrade and filter array.
Filtration array in this example comprises location channel ID, front 20 channel ID of location channel and rear 60 channel ID of location channel, namely 81 channel ID form filtration array, and remain this capacity, calculate with the corresponding 100 byte data amounts of each event of each channel, the total data amount used is 2.59M byte, not by the impact of front end channel quantity dilatation, if the internal memory of this digital television devices is less, the channel ID quantity of filtering in array can also be reduced, namely filter in array and at least comprise a location channel, front at least one channel ID of location channel and rear at least one channel ID of location channel, in time efficiency, the speed sending television guide information due to front end system is very fast, the guide information of a general channel can complete a circulation within 10 seconds, even if user changes to one when changing channel do not belong to the channel filtering array completely, the search that also can complete television guide information within 10 seconds is collected, large impact be there is no on user.
Claims (3)
1. digital television devices collects the method for television guide information, it is characterized in that, comprises the following steps:
Preset one in step 1, system and filter array, described filtration array comprises the channel before and after a location channel and this location channel in certain limit;
Step 2, user start shooting use digital television devices, select a channel to be current channel;
Current channel ID is placed in current filter array as location channel by step 3, system, and the channel ID in certain limit before and after location channel is placed in current filter array;
Step 4, system collection preserve the television guide information that in current filter array, all channel ID are corresponding, delete the non-present stored and filter the television guide information that in array, all channel ID are corresponding;
If step 5 user changes channel, then the new channel changed is current channel, gets back to step 3.
2. digital television devices collects the method for television guide information according to claim 1, it is characterized in that, in step 1, the channel ID before and after described location channel in certain limit refers to front at least one channel ID of location channel and rear at least one channel ID of location channel.
3. digital television devices collects the method for television guide information according to claim 2, it is characterized in that, the channel ID before and after described location channel in certain limit refers to front 20 channel ID of location channel and rear 60 channel ID of location channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210524097.7A CN103002340B (en) | 2012-12-07 | 2012-12-07 | Digital television devices collects the method for television guide information |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210524097.7A CN103002340B (en) | 2012-12-07 | 2012-12-07 | Digital television devices collects the method for television guide information |
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| Publication Number | Publication Date |
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| CN103002340A CN103002340A (en) | 2013-03-27 |
| CN103002340B true CN103002340B (en) | 2016-04-13 |
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| CN201210524097.7A Active CN103002340B (en) | 2012-12-07 | 2012-12-07 | Digital television devices collects the method for television guide information |
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Citations (4)
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| CN101437154A (en) * | 2008-11-21 | 2009-05-20 | 康佳集团股份有限公司 | Method for implementing program fast forward and backward when watching quasi VOD program |
| CN101600066A (en) * | 2008-06-06 | 2009-12-09 | 北京千术达投资有限公司 | Multimedia digital television program inquiry method |
| CN101646036A (en) * | 2008-08-07 | 2010-02-10 | 深圳Tcl新技术有限公司 | Method for searching electronic program guide of digital television |
| CN101998168A (en) * | 2009-08-10 | 2011-03-30 | 北京千术达投资有限公司 | Bidirectional digital television program query method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020157109A1 (en) * | 2001-04-21 | 2002-10-24 | Sony Corporation | System and method for interactive television |
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- 2012-12-07 CN CN201210524097.7A patent/CN103002340B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101600066A (en) * | 2008-06-06 | 2009-12-09 | 北京千术达投资有限公司 | Multimedia digital television program inquiry method |
| CN101646036A (en) * | 2008-08-07 | 2010-02-10 | 深圳Tcl新技术有限公司 | Method for searching electronic program guide of digital television |
| CN101437154A (en) * | 2008-11-21 | 2009-05-20 | 康佳集团股份有限公司 | Method for implementing program fast forward and backward when watching quasi VOD program |
| CN101998168A (en) * | 2009-08-10 | 2011-03-30 | 北京千术达投资有限公司 | Bidirectional digital television program query method |
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| CN103002340A (en) | 2013-03-27 |
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Application publication date: 20130327 Assignee: Sichuan Changhong Xinwang Technology Co.,Ltd. Assignor: SICHUAN CHANGHONG ELECTRIC Co.,Ltd. Contract record no.: X2023980043949 Denomination of invention: Method for Receiving Television Guide Information from Digital Television Equipment Granted publication date: 20160413 License type: Common License Record date: 20231030 |