CN100372374C - Control method for searching program channels in receiver for digital program - Google Patents
Control method for searching program channels in receiver for digital program Download PDFInfo
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- CN100372374C CN100372374C CNB2004100992323A CN200410099232A CN100372374C CN 100372374 C CN100372374 C CN 100372374C CN B2004100992323 A CNB2004100992323 A CN B2004100992323A CN 200410099232 A CN200410099232 A CN 200410099232A CN 100372374 C CN100372374 C CN 100372374C
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Abstract
The present invention relates to a method for searching and controlling program channels for a digital program signal receiver. The progress in which multiple program channels of a digital television program are searched is confirmed through the forms of recorded pictures of multiple search channels. Thus, the present invention is characterized in that static images of video pictures according to the multiple program channels respectively designated by users are respectively recorded in order to search for the program channels, and corresponding to the designated order of each program channel number, the recorded pictures of the multiple channels are orderly arranged in a display picture for display.
Description
[technical field]
The invention relates to the program channel search control method of digital program receiver, say to be exactly in digital program receiver, can more effectively search a plurality of program channels that can receive in more detail according to the present invention.
[background technology]
As everyone knows, digital television program transmit mainly be divided into the similar North America Digital Television mode of ATSC (Advanced TelevisionSystem Committee) and with (DVB-T) identical European Digital Television mode of DVB (Digital VideoBroadcasting).According to the difference of programme signal load mode, can be divided into the transmission of digital satellite program, the transmission of digital optical cable program again and digitally go up three kinds of ripple transmission.
In this digital television program transmits, under the situation of the corresponding ATSC mode of North America Digital Television mode, vision signal is compressed with Moving Picture Experts Group-2, audio signal is compressed transmission with the AC-3 form, this high efficiency compression performance is its advantage.Signal format can be divided into 18 kinds of programs that carry out a plurality of channels simultaneously and transmit, and program channel can be divided into main (major) channel and son (minor) channel.As a sub-channel under the main channel, sub-channel can extend to dozens of and carry out the program transmission.
Thus, nearest is the transmission that realizes digital television program, searches for the program channel that significantly increases in the digital program receiver identical with Digital Television (DTV) effectively, correctly also promptly finds the channel that meets user's interest and requirement to seem very important.
That is, Fig. 1 is the display frame schematic diagram of the program channel search of ordinary numbers program receiver in the past.
Same as shown in Figure 1, in the display frame of digital program receiver, as the menu screen that is used to search for user's program channel, display program channel identication case 2 in the territory, a lateral areas of picture, the channel identication case mainly is present receivable whole program channel numbers, respective program channel identication case 2 included program channel viewing areas are divided into such as the main channel identical with " 7 ", for example with " 8.1 " the sub-channel of identical specific main channel.
In the state that described program channel show case 2 shows in display frame, identify single channel search picture window 4 at the corresponding specific picture area of display frame, in the included a plurality of program channels of described program channel identification box 2, if specific program channel number is specified in the keyboard input operation according to the user, regeneration is according to the video pictures of the particular program channel of user's appointment in the offscreen channel search picture window of main program channel ' 34 of so corresponding display frame.
With in the picture window 4, during each program channel number that the user is comprised for channel searching appointed program channel identication case 2, the other video pictures of each program channel can change and regenerate in described channel search.
But, under the situation of this program channel way of search in the past, by the single channel search picture window that forms in the display frame, the video pictures of the program channel of search now of only regenerating.The program of Sou Suo program channel can't be shown before, so how to exist the problem of more efficiently search program channel.
In addition, for making the search program channel more effective, though channel search is formed in display frame with picture window a plurality of, but for the reproduced state of each program channel of finishing search is shown in a plurality of picture windows, should be equipped with a plurality of tuners, also bring inconvenience thus.
[summary of the invention]
Thus, the present invention considers top problem of being deposited and has carried out corresponding research and development.Its purpose of program channel search control method of digital program receiver of the present invention is exactly a plurality of program channel search procedures of digital television program to be obtained visual aspects by a plurality of channel searchings can confirm.
The another one purpose of the program channel search control method of digital program receiver of the present invention is, utilizes to show that respectively a plurality of channel searchings of a plurality of program channel search procedures obtain picture, can select to want now the channel of watching.
The another one purpose of the program channel search control method of digital program receiver of the present invention is to utilize to show that respectively a plurality of channel searchings of a plurality of program channel search procedures obtain picture, can specify the channel of watching signal.
For achieving the above object, as program channel search control method according to digital program receiver of the present invention, be the search program channel, obtain respectively according to by user's rest image of the video pictures of a plurality of program channels of appointment respectively, corresponding with the specified order of each program channel number, a plurality of channels obtain that picture is sequential in display frame to be arranged and show, described a plurality of channels obtain picture to be had in display frame and sequentially arrange the process that shows and comprise following three steps:
First step: according to the setting of channel search pattern, display program channel identication case in display frame, said here program channel identification box includes all the program channel numbers in the display frame;
Second step: when selecting the program channel number of program channel identification box, select corresponding program channel, obtain the rest image of video pictures, the channel of rest image is obtained picture be identified in the display frame;
Third step: obtaining picture with the corresponding a plurality of channels of the program channel quantity of selecting in the program channel identification box has sequentially to arrange and is presented in the display frame.
In addition, for achieving the above object, the program channel search control method of digital program receiver of the present invention, described program channel search control method comprise the method that program channel shows, this display packing comprises:
First step: picture shows the list about the program channel that receives;
Second step: if in list, select program channel arbitrarily, obtain the picture that in its channel, receives, show as this channel picture;
Third step: if select other program channel in list, obtain the picture that receives in its channel, the channel picture that is connected as this selection with channel displayed picture in above-mentioned second step shows.
As the of the present invention words of foundation with last identical formation, in digital program receiver, search in the state of a plurality of program channels, identify simultaneously the image of video pictures by static form of each program channel of search is a plurality of in display frame, according to the selection operation that obtains picture, can carry out the regeneration setting of key frame and the setting of favorite channels, and the user can be easy to grasp the projection state of the program program of a plurality of program channels, want simultaneously the setting of the setting of program channel of audiovisual and favorite channels also very easy, bring many facilities to the user.
[description of drawings]
Fig. 1 is the display frame schematic diagram of the program channel search of general digital program receiver in the past;
Fig. 2 is the formation schematic diagram that is equipped with according to the digital program receiver system of program channel search control method of the present invention;
Fig. 3 is according to the desirable example of implementing of the present invention, and a plurality of channel searching record pictures of display program channel search process have the view that sequentially shows in display frame;
Fig. 4 is a channel picture record data store status schematic diagram of realizing each program channel of channel search in the video memory shown in Figure 2;
Fig. 5 is to be stored in each the channel picture record data in the video memory, to set the view of viewing channel and signal channel;
Fig. 6 is the operating instruction schematic diagram according to the program channel search control method of digital program receiver of the present invention.
[embodiment]
Below, to being described in detail with reference to appended drawing with the present invention of the above identical formation.
That is, Fig. 2 is the schematic diagram according to the digital program receiver system formation of program channel search control method of the present invention.
Same as shown in Figure 2, comprise as lower device according to its formation of digital program receiver of the inventive method: tuner 10; DEMUX12, video buffer 14, audio buffer 16, data buffer 18, Video Decoder 20, audio decoder 22, finger-impu system 24, data storage 26, video memory 28, control device 30, osd signal generating means 32, image signal processing apparatus 34 and video synthesizer 36.
Described tuner 10 is that basis is selected specific program channel from the channel selection command of control device 30, and the receiving digital television programme signal.Described DEMUX12 is that the MPEG of the digital program signal that received by tuner 10 by video and audio frequency and data signal analysis (Parsing) transmits stream.
Described video buffer 14 is that the vision signal that will analyze in DEMUX12 cushions, and with its interim storage.Audio buffer 16 is to be buffered in the DEMUX (audio signal of analyzing in 12, and with its interim storage.Described data buffer 18 is to be buffered in data-signal and the interim storage of analyzing among the DEMUX12.
Described Video Decoder 20 is with the decoding video signal by video buffer 14, and it is returned to the original video signal of renewable output, described audio decoder 22 is decoding audio signals by audio buffer 16, and it is returned to the original audio signal of renewable output.
Described keyboard 24 has a plurality of function keys, can import the fill order of respective digital program receiver repertoire, and it comprises wireless remote remote controller, wired keyboard, reaches the keyboard that is provided with on the digital program receiver fuselage.The function key of its outfit has, and can prevent that according to numeral the program channel function of search of stop signal is used for searching for the enter key of a plurality of program channels, the program channel of finishing search is set at specific program channel the enter key of regenerating on key frame; And the enter key of in finishing the program channel of search, setting the hobby program.
Described data storage 26 stores the channel selection data about all program channels of selectable digital television program signal in tuner 10, also stores the set information of the favorite channels of appointment according to user's selection in addition.
Described video memory 28 are storages according to the user sequentially the channel picture of the video pictures of program channel search operation and a plurality of program channels of selecting respectively obtain data.Same as shown in Figure 4, according to user's channel search operation and the channel number data 52 that the channel picture of each program channel of selecting successively obtains data 50 and respective program channel have sequentially according to the order of user's channel selection and store.When program channel hunting action continuation channel picture obtains data supplementing, will obtain data from the channel picture of search storage at first and begin to delete processing.
Described control device 30 is to move the channel search pattern according to the program channel search command that key input apparatus 24 keys are imported, each program channel that control is selected is successively selected by tuner 10, obtain from the vision signal of Video Decoder 20 for searching for the program channel video pictures that each channel selects, obtain data as the channel picture it is stored to video memory 28, by the search order of each program channel, the control channel obtains picture and is presented in the display frame successively simultaneously.
Here, described control device 30 is same as shown in Figure 3, according to operation channel search pattern, display program channel show case 40 in a side picture area, show case is used for showing receivable whole program channel numbers now in display frame, according to the operation of user's key board unit 24, in a plurality of program channel numbers that show in respective program channel show case 40, for showing the selection mode of particular program channel number, designated identification device 42 sign channel numbers.In described program channel show case 40, obtain picture 44a～44g by the channel that has the corresponding a plurality of rest images of program channel of selective sequential to form with the user and in display frame, arrange demonstration according to the program channel search order.
In Fig. 3, obtaining the corresponding channel of finally selecting with the user among the picture 44a mouth 44g of program channel number at described a plurality of channels obtains under the situation of picture 44a, for example, be arranged in upper end, the left side picture area of display frame, specify display unit 46 to show according to the picture that obtains that osd signal generates, show corresponding final selection of obtaining the program channel of picture.
In addition, a plurality of program channels of in program channel show case 40, selecting according to the user, show with the corresponding a plurality of channels of selecting respectively of program channel and obtain in the state of picture 44a-44g, if the program channel that the user appends is selected to finish, obtain picture 44g with deleted what present channel obtained among the picture 44a-44g program channel selected at first, picture simultaneously is Over Write successively, comes the picture that obtains of mobile program channel with this.
On the other hand, described control device 30 is same as shown in Figure 5, the channel of finishing a plurality of program channels of channel search obtains in the situation that picture identifies in display frame, operation according to user's keyboard 24, if the specific channel of selecting to be used for key frame regeneration obtains picture, when removing the channel search pattern, the channel of corresponding selection obtains the program channel of picture and is selected by tuner 10, controls it by display frame and is regenerated as key frame.
In addition, described control device 30 is same as shown in Figure 5, the channel of finishing a plurality of program channels of channel search obtains picture in the state of the enterprising line identifier of display frame, set the set-up function of whole favorite channels as execution according to the operation of user's keyboard, to obtain the corresponding program channel number of data and be set at whole favorite channels with being stored in whole channel pictures in the video memory 28, and be stored to data storage 26.
In addition, described control device 30 is same as shown in Figure 5, the channel of finishing a plurality of program channels of channel search obtains picture when the enterprising line identifier of display frame, operation according to user's keyboard 24, as carry out the set-up function of a part of favorite channels, operation according to user's keyboard 24, a plurality of channels of display frame obtain among the picture 44a-44g, to obtain the program channel number that the corresponding channel picture of picture obtains data with the channel of selecting and be set at a part of favorite channels, and be stored in the memory 26.
On the other hand, described control device 30, obtains picture for each channel and carries out the program channel that picture shows if specify the automatic channel affirmation mode according to user's operation of keyboard 24, export picture within a certain period of time, control the action that it is converted to succeeding channel repeatedly.
In Fig. 1, described osd signal generating means 32 produces osd signal according to the demonstration control of control device 30, here the osd signal of saying is to obtain picture storage means 46 and program channel identification box 40 in order to show, the program channel identification box shows whole program channels in display frame.
Described image signal processing apparatus 34 is handled picture signals, reproduces by control device 30 the channel picture of video memory 28 to be obtained data and obtain picture 44a-44g by a plurality of channels that rest image is shown.
A plurality of channels of the vision signal of Video Decoder 20, image signal processing apparatus 34 are obtained the rest image signal of picture with described video synthesizer 36 and the osd signal of osd signal generating means 32 synthesizes, and renewable output in display frame.
Next, for being described in detail with reference to Fig. 6 with the top identical operation of finishing of the present invention.
At first, by tuner 10), (step 10), whether user's operation of control device 30 basis for estimation keyboards 24 has set channel search pattern (step 11) in the state of the digital television program signal of regeneration particular program channel.
The result who judges above, if the operating and setting channel search pattern that described control device 30 is judged according to user's keyboard 24, control osd signal generating means 32, with whole program channel numbers of being stored in digital storage 26 is basis, display program channel identication case 40 (steps 120) on picture.
In this state, described control device 30 is according to user's keyboard 24 operation, judges in the included whole program channel numbers of program channel identification box 40 in display frame, whether specifies specific program channel.(step 13).
Top judged result, control device 30 is according to the operation moving cursor of user's keyboard 24, if in program channel identification box 40, judge and specify specific program channel, described tuner 10 is selected corresponding program channel, in the vision signal according to the respective program channel of Video Decoder 20 decoding, the rest image of specific picture is obtained data as the channel picture and the program channel number together is stored in the video memory 28, handle through the picture signal of image signal processing apparatus 34 simultaneously, indicated channel obtains picture in display frame.(step 14).
On the other hand, described control device 30 can described repeatedly step S13 and the operation of step S14, obtain storage to video memory 28 with corresponding a plurality of channel pictures of a plurality of program channel numbers of appointment according to the operation of user's keyboard 24 and respectively, show that in display frame a plurality of channels obtain picture.
Afterwards, judged result according to the rapid S13 of previous step, if judging according to the operation program channel of user's keyboard 24, described control device 30 do not specify, the a plurality of channels that show in display frame obtain in the picture, select the specific picture that obtains, judge whether the setting of the program channel that is used to regenerate is finished on key frame.(step 15).
Top judged result, if top control device 30 judges that a plurality of channels in the display frames obtain in the picture, the specific audiovisual channel that obtains picture of regeneration is set and is finished on key frame, and described tuner 10 is selected the program channel of setting, regenerates on key frame.(step 16).
But top judged result is not regenerated at key frame if described control device 30 is set in the keyboard 24 the specific program channel that obtains picture, judges that user according to corresponding keyboard 24 operates whole channels and obtains picture and whether be set at favorite channels.(step 17).
Top judged result, if the program channel that control device 30 obtains picture according to keyboard user's operation with whole channels is set at the setting of favorite channels and finishes, the program channel number that the channel picture of storing in the video memory 28 is obtained data is set at favorite channels, and is stored in the middle of the data storage 26.(step 18).
On the other hand, judged result according to the rapid S17 of previous step, judge the operation of control device 30 according to the keyboard user, be set at favorite channels if whole channels are not obtained the program channel of picture, obtain at described channel that the selection portion branch obtains picture in the picture, judge whether the operation that program channel is set at favorite channels is finished.(step 19).
Top judged result, if judge the operation of control device 30 according to the keyboard user, obtain at whole channels and partly to select to obtain picture in the picture, and the program channel number is set at the words of favorite channels, the program channel number that the channel picture that obtains the corresponding video memory 28 of picture with the selected part of user's keyboard operation obtains data is set at the part favorite channels, and it is stored to data storage 26.(step 20).
Afterwards, described control device 30 judges whether to finish the function input, and said here function input is to operate the channel search pattern of removing according to the user.(step 21).
Top judged result, if control device 30 is judged the user and is removed the channel search pattern by keyboard 24 operations, remove the channel search pattern, remove the show state that program channel identification box and channel obtain picture in display frame, each channel picture of eliminating video memory 28 obtains data.(step 22).
By above-mentioned description, the related work personnel can carry out various change and modification fully in the scope that does not depart from this invention technological thought.Therefore, the technical scope of this invention can not be confined to the detailed description on the detailed book; Must determine its technical scope according to the scope of patent application.
Claims (9)
1. the program channel search control method of digital program receiver comprises:
Be the search program channel, obtain user's still frame of the video pictures of a plurality of program channels of appointment respectively respectively, corresponding with the specified order of each program channel number, a plurality of channels obtain picture arrangement demonstration sequentially in display frame, described a plurality of channels obtain picture has the process of sequentially arranging demonstration to comprise following three steps in display frame:
First step: according to the setting of channel search pattern, display program channel identication case in display frame, said here program channel identification box includes all the program channel numbers in the display frame;
Second step: when selecting the program channel number of program channel identification box, select corresponding program channel, obtain the rest image of video pictures, the channel of rest image is obtained picture be identified in the display frame;
Third step: obtaining picture with the corresponding a plurality of channels of the program channel quantity of selecting in the program channel identification box has sequentially to arrange and is presented in the display frame.
2. the program channel search control method of digital program receiver as claimed in claim 1 is characterized in that:
In described second step, when selecting the program channel number in the program channel identification box, the channel picture that obtains picture according to each channel obtains data and program channel number together to be had sequentially and is stored in the memory.
3. the program channel search control method of digital program receiver as claimed in claim 1 is characterized in that:
Described third step also comprises, there is the channel that shows a plurality of program channels to obtain in the picture in display frame, if the program channel that selection is appended, when the channel of the program channel that demonstration is appended obtains picture, the program channel that deletion is selected at first obtains picture, and the picture that obtains of each top program channel all moves forward one.
4. the program channel search control method of digital program receiver as claimed in claim 1 is characterized in that:
Described third step comprises that also when the channel of a plurality of program channels of demonstration obtains the state of picture in display frame, if specify specific channel to obtain picture, the program channel that corresponding channel obtains picture will show as key frame.
5. as the program channel search control method of claim 1 or 3 described digital program receivers, it is characterized in that:
Described third step also comprises, the channel that shows a plurality of program channels in display frame obtains in the state of picture, if favorite channels is set input and finished, all channels that show in display frame obtain the program channel of picture and will login as favorite channels.
6. as the program channel search control method of claim 1 or 3 described digital program receivers, it is characterized in that:
Described third step also comprises, the channel of a plurality of program channels obtains in the state that picture identifies simultaneously in the display frame, finish if set the input favorite channels, according to the user respectively the channel of the appointment program channel that obtains picture will register as favorite channels.
7. the program channel search control method of digital program receiver, described program channel search control method comprise the method that program channel shows, this display packing comprises:
First step: picture shows the list about the program channel that receives;
Second step: if in list, select program channel arbitrarily, obtain the picture that in its channel, receives, show as this channel picture;
Third step: if select other program channel in list, obtain the picture that receives in its channel, the channel picture that is connected as this selection with channel displayed picture in above-mentioned second step shows.
8. the program channel search control method of digital program receiver as claimed in claim 7 is characterized in that:
Described third step, if in list, select program channel continuously, when exceeding the restriction number of channel picture demonstration, the channel picture of the initial program channel of selecting is with deleted, simultaneously, each channel picture of other demonstration moves past successively, comes the picture that obtains of mobile program channel with this.
9. the program channel search control method of digital program receiver as claimed in claim 7 is characterized in that:
Described third step if specify the automatic channel affirmation mode, obtains picture for each channel and carries out the program channel that picture shows, exports picture within a certain period of time, and is converted to succeeding channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100992323A CN100372374C (en) | 2004-12-29 | 2004-12-29 | Control method for searching program channels in receiver for digital program |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100992323A CN100372374C (en) | 2004-12-29 | 2004-12-29 | Control method for searching program channels in receiver for digital program |
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| Publication Number | Publication Date |
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| CN1798291A CN1798291A (en) | 2006-07-05 |
| CN100372374C true CN100372374C (en) | 2008-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2004100992323A Expired - Fee Related CN100372374C (en) | 2004-12-29 | 2004-12-29 | Control method for searching program channels in receiver for digital program |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101110919B (en) * | 2007-08-22 | 2012-05-23 | 赵会平 | Searching technique for hidden searching current directory of TV set channel |
| CN102036037B (en) * | 2010-11-30 | 2012-11-21 | 四川长虹电器股份有限公司 | Method for selecting channels according to station captions |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09116821A (en) * | 1995-10-18 | 1997-05-02 | Toshiba Corp | Television receiver |
| 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 |
| CN1295757A (en) * | 1998-12-05 | 2001-05-16 | 皇家菲利浦电子有限公司 | Television receiver |
-
2004
- 2004-12-29 CN CNB2004100992323A patent/CN100372374C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09116821A (en) * | 1995-10-18 | 1997-05-02 | Toshiba Corp | Television receiver |
| CN1295757A (en) * | 1998-12-05 | 2001-05-16 | 皇家菲利浦电子有限公司 | Television receiver |
| 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 |
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