CN1960449B - Digital/analog compatible television program numbering and converting method - Google Patents
Digital/analog compatible television program numbering and converting method Download PDFInfo
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- CN1960449B CN1960449B CN200610021875A CN200610021875A CN1960449B CN 1960449 B CN1960449 B CN 1960449B CN 200610021875 A CN200610021875 A CN 200610021875A CN 200610021875 A CN200610021875 A CN 200610021875A CN 1960449 B CN1960449 B CN 1960449B
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Abstract
The method comprises: using a universal sequence to number all received analog and digital TV program; when saving the serial number of TV program, simultaneously saving the state of TV program; when switching the TV program, checking the state of TV program; for the switching between the programs in different states, simultaneously switching the video channel. By the invention, the video channel can be automatically switched according to the state of either digital TV program or the analog TV program so as to simplify the switch method.
Description
Technical field
The present invention relates to TV tech, particularly D/A compatible tv machine program management method.
Background technology
Along with the digital television techniques development, digital television broadcasting will progressively replace analog television broadcast.Because the social base widely of simulated television, and the imbalance of each country, regional economy technical development, it will be a very long process that Digital Television replaces simulated television.In this process, there is the transition period of a Digital Television and simulated television coexistence, this development for D/A compatible tv machine provides chance.This by analog television broadcast signal during the digital broadcasting-television signal transition, D/A compatible tv machine will be on market dominate.But, adopt analog or digital broadcast television signal two cover reception systems, separately corresponding analog television program and digital television program are carried out the mode of storage and management, can make the use of D/A compatible tv machine very complicated, user's operation is extremely inconvenient, and allows the consumer feel equally inconvenient with using set-top box.
Summary of the invention
Technical problem to be solved by this invention is exactly the D/A compatible tv machine program code disunity at prior art, and the program conversion operations is loaded down with trivial details, and awkward shortcoming provides the method for a kind of D/A compatible tv machine program unified management.
The present invention solve the technical problem, and the technical scheme of employing is that D/A compatible tv machine program code and conversion method may further comprise the steps:
1) to all numeral that receives and analog television program, be the program serial number of simulated television to state earlier, then order is the program code of Digital Television to state;
When 2) programs stored is numbered, while programs stored state;
3) when program is changed, detect program state;
4) for the conversion of the program between the different program state, Switch Video passage simultaneously.
Concrete program code is in proper order, is the program serial number of simulated television to state earlier, then layout digital television program numbering.
The invention has the beneficial effects as follows, adopt unified tactic mode that all numerals or analog TV broadcasting program are managed and operate, numeral or emulation mode automatic switchover video channel according to current selected broadcast TV program, simplify using method, strengthened the globality of D/A compatible tv machine.
Description of drawings
Fig. 1 is a D/A compatible tv machine structural representation;
Fig. 2 is the flow chart of embodiment 1;
Fig. 3 is the flow chart of embodiment 2;
Fig. 4 is the flow chart of embodiment 3.
Embodiment
Below in conjunction with drawings and Examples, describe technical scheme of the present invention in detail.
D/A compatible tv machine structure comprises: splitter, numeral tuner, simulation tuner, the EEPROM of programs stored number and relevant information is by the simulated television treatment system that picture decoding, colour decoding etc. is formed, master controller, slave controller, FLASH is used for the Digital Television treatment system that the decoding chip etc. of digital decoding is formed, the video channel switching device shifter, display system etc., and realize the universal serial bus of both-way communication between the master and slave controller and organize the I that communicates between integrated circuit more
2The C bus, as shown in Figure 1.In this example the simulation control part of D/A compatible tv machine as the i.e. master controller among the figure in master control side, digital control part as from the i.e. slave controller the figure of prosecutor
Embodiment 1
As shown in Figure 2.After system finishes numeral or automatic search of analog TV broadcasting program or alternate manner search, master controller just according to final search to analog TV broadcasting program sum (APN) relevant information of removing to store the analog TV broadcasting program, and the relevant information of removing to store the digital broadcast television program according to analog TV broadcasting number of programs and digital broadcast television number of programs sum.
If analog TV broadcasting program sum is during smaller or equal to 200, master controller just will be stored the relevant information of these analog TV broadcasting programs, comprise program number (1-APN), frequency (49.75～863.25MHZ), S-SYSTEM (PAL, NTSC3.58, NTSC4.43, SECAM automatically), sound accompaniment standard (D/K, B/G, I, M), program jump information (SKIP ON/OFF), program state be: simulation.
If analog TV broadcasting program sum is during greater than 200, master controller is just abandoned the storage of the relevant information of the broadcast TV program more than 200, only preceding 200 analog TV broadcasting programs is carried out the storage of relevant information.
When analog TV broadcasting number of programs and digital broadcast television number of programs sum (SUMP) smaller or equal to 1000 the time, master controller just adds the relevant information that 1 position begins to store the digital broadcast television program from APN, comprise program number (APN+1-SUMP), downstream frequency (56～862MHZ), program jump information (SKIPON/OFF), program state is: numeral, audio channels (left and right, stereo, monophony), the sound accompaniment classification (audio frequency PID1, audio frequency PID2 ... audio frequency PIDn).Finish up to storing the SUMP position into, and be set to skip state from all program numbers of SUMP to 1000.
When analog TV broadcasting number of programs and digital broadcast television number of programs sum greater than 1000 the time, master controller is just abandoned the storage of the relevant information of all broadcast TV programs more than 1000, only preceding 1000 broadcast TV programs is carried out the storage of relevant information.
After system searches the platform end and finishes all numerals or analog TV broadcasting program storage, just formed the listing of a unified serial number, the user only need be switched the line correlation operation of going forward side by side to all numerals of having stored or analog TV broadcasting program with the program add-substract key or numeral (0-9) key of remote controller.When system receive with numerical key 0-9 directly effective broadcast TV program of input number just carry out operating process shown in Figure 3; Receive with effective broadcast TV program of program add-substract key input when system and number just to operate by the flow performing of Fig. 4.Wherein effectively broadcast TV program number is a program number smaller or equal to analog TV broadcasting number of programs and digital broadcast television number of programs sum.
Embodiment 2
Referring to Fig. 3, the flow process that this example is switched for program. is system at first detects and changes the preceding broadcast TV program of platform digital state? whether if the broadcast TV program that system changes before the platform is a digital state, detecting the user again is digital state with the broadcast TV program state of numerical key input; If the broadcast TV program state of input is a digital state, master controller just sends this program number to slave controller by the both-way communication mode, and slave controller directly switches to the digital broadcast television program with this program number corresponding digital broadcast TV program after receiving this program number; If the broadcast TV program state of input is an emulation mode, master controller at first control of video passage switches tissue, automatically switch to the analog video passage, again the analog TV broadcasting program is switched to the corresponding analog TV broadcasting program of this program number. whether if the broadcast TV program that system changes before the platform is an emulation mode, detecting the user again is digital state with the broadcast TV program of numerical key input; If the broadcast TV program of input is a digital state, master controller switches to the digital video passage with video channel earlier, send this program number to slave controller by the both-way communication mode again, slave controller just switches to the digital broadcast television program with this program number corresponding digital broadcast TV program to get on after receiving this program number; If the broadcast TV program of input number is an emulation mode, master controller directly switches to the analog TV broadcasting program with the corresponding analog TV broadcasting program of this program number just without the Switch Video passage.
Embodiment 4
Fig. 4 is the flow process that another kind of program switches.Does system at first detect the D/A state consistency of D/A state that changes the preceding broadcast TV program of platform and the TV programme that will change to? if the latter and the former D/A state consistency, master controller directly switches to the analog or digital broadcast TV program with the corresponding analog or digital broadcast TV program of this program number just without the Switch Video passage; If the latter and the former digital-to-analogue state are inconsistent, master controller at first switches to the analog or digital video channel according to the former numeral or emulation mode with video channel, if the latter sends this program number to slave controller by the both-way communication mode again for digital state, after slave controller is received this program number, just the digital broadcast television program is switched to this program number corresponding digital broadcast TV program; If the latter is an emulation mode,, switch to the corresponding analog TV broadcasting program of this program number just directly with the analog TV broadcasting program.
Claims (1)
1. D/A compatible tv machine program code and conversion method may further comprise the steps:
1) to all numeral that receives and analog television program, be the program serial number of simulated television to state earlier, then order is the program code of Digital Television to state;
When 2) programs stored is numbered, while programs stored state;
3) when program is changed, detect program state;
4) for the conversion of the program between the different program state, Switch Video passage simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610021875A CN1960449B (en) | 2006-09-15 | 2006-09-15 | Digital/analog compatible television program numbering and converting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610021875A CN1960449B (en) | 2006-09-15 | 2006-09-15 | Digital/analog compatible television program numbering and converting method |
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| Publication Number | Publication Date |
|---|---|
| CN1960449A CN1960449A (en) | 2007-05-09 |
| CN1960449B true CN1960449B (en) | 2010-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610021875A Expired - Fee Related CN1960449B (en) | 2006-09-15 | 2006-09-15 | Digital/analog compatible television program numbering and converting method |
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| Country | Link |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102497584B (en) * | 2011-12-14 | 2015-03-18 | 上海全景数字技术有限公司 | Channel switching device, system and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1211141A (en) * | 1997-08-22 | 1999-03-17 | 三星电子株式会社 | TV receiver having analog/digital dual tuner |
| CN1268844A (en) * | 1999-03-26 | 2000-10-04 | Lg电子株式会社 | Method and device for automatic frequency channel searching for video-frequency display device |
| CN1361983A (en) * | 1999-07-16 | 2002-07-31 | 汤姆森许可公司 | Method and apparatus for autoprogramming a television receiver |
| WO2005064934A2 (en) * | 2003-12-23 | 2005-07-14 | Thomson Licensing | Method and apparatus for changing channels in a system operating in a recording mode |
-
2006
- 2006-09-15 CN CN200610021875A patent/CN1960449B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1211141A (en) * | 1997-08-22 | 1999-03-17 | 三星电子株式会社 | TV receiver having analog/digital dual tuner |
| CN1268844A (en) * | 1999-03-26 | 2000-10-04 | Lg电子株式会社 | Method and device for automatic frequency channel searching for video-frequency display device |
| CN1361983A (en) * | 1999-07-16 | 2002-07-31 | 汤姆森许可公司 | Method and apparatus for autoprogramming a television receiver |
| WO2005064934A2 (en) * | 2003-12-23 | 2005-07-14 | Thomson Licensing | Method and apparatus for changing channels in a system operating in a recording mode |
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| Publication number | Publication date |
|---|---|
| CN1960449A (en) | 2007-05-09 |
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