CN100348040C - Method for manual searching channels in digital TV - Google Patents
Method for manual searching channels in digital TV Download PDFInfo
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- CN100348040C CN100348040C CNB2004100381616A CN200410038161A CN100348040C CN 100348040 C CN100348040 C CN 100348040C CN B2004100381616 A CNB2004100381616 A CN B2004100381616A CN 200410038161 A CN200410038161 A CN 200410038161A CN 100348040 C CN100348040 C CN 100348040C
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Abstract
The present invention relates to a method for manually searching channels in digital TV. In a transmitting system of a digital television, the following steps are executed: channel information is separated out of received data to a channel manager by a client terminal; a current virtual channel number is transmitted to the channel manager by a user interface; programs are searched from a current physical channel by the channel manager for transmitting a result to the user interface; searched program information is displayed in the user interface by the user interface; a program is selected from displayed contents for setting the program as the program of a virtual channel.
Description
Technical Field
The invention relates to the field of digital televisions, in particular to a channel searching technology in a digital television transmission system, and specifically relates to a method for manually searching channels by a digital television.
Background
Digital tv is called the third generation tv following black and white tv and color tv, and is a tv system based on digital technology, which is a conventional analog tv system used by us in the whole process of tv signal processing such as shooting, editing, making, broadcasting, transmitting, receiving, etc. In order to realize the real digital television technology, a digital program making platform, a digital television signal transmission platform and a digital television receiving terminal are required to form a complete system together.
When the television system applies the digital technology, the definition and the anti-noise capability of the television are greatly enhanced, more programs can be transmitted with less bandwidth, the viewing quality is greatly improved, the visual problems of snowflake, ghost image and the like existing in the analog television are thoroughly solved, the screen picture is fine and vivid, and surround sound is matched. Compared with analog television, the digital television has the advantages that the frequency resources are fully utilized, the number of received programs can be increased from dozens of original sets to hundreds of original sets, and dozens of sets of stereo digital broadcasting can be listened to. The digital television also has the characteristics that the television signals can be stored and can be connected with a computer to form a multimedia system. Through the digital television, the user can inquire and read various public information and various information related to daily life information such as stock market, traffic, travel, house purchasing, shopping and the like on the television.
In summary, compared with the conventional analog tv system, the digital tv system has substantial changes and improvements in picture quality, sound quality, channel number and function provision. In analog television, only one set of programs is transmitted per physical channel. When the manual searching function is realized, the results of searching one physical channel are two types: with and without programs. A user interface is not required to process the search results. In digital television, each physical channel is capable of transmitting multiple sets of programs. When the manual search function is implemented, a user interface is required to process the search results. Therefore, the conventional tv channel searching technology cannot meet the requirement of the digital tv, so how to provide a manual channel searching method which is convenient for the user to use and is suitable for the characteristics of the digital tv is a problem which needs to be solved urgently at present.
Disclosure of Invention
The invention aims to provide a method for manually searching channels by a digital television, which is convenient for users to use and is suitable for the characteristics of the digital television.
The technical scheme of the invention is as follows:
a method for searching channel manually by digital TV, it adopts the way of sending the message to control the search process and process to the search result between user interface and channel manager; and displays information and implements interaction through the user interface.
The method comprises the following steps:
transmitting channel information separated from the received data to the channel manager, the channel manager preparing to receive the message and processing operations on the channel according to the content of the message;
the user interface sends a manual search starting message to the channel manager, and the message interface parameter is the current virtual channel number;
the channel manager searches programs from the current physical channel after receiving the manual search starting message;
after the searching of programs such as the channel manager is finished, sending a searching result message to the user interface and transmitting searching result data;
the user interface displays the search result after receiving the search result message; and the interaction has at least three options:
selecting one program and selecting a set of programs from the program information displayed on the user interface to be set as the programs of the virtual channel;
selecting two, sending a message to the channel manager to continue searching the next physical channel;
and selecting three, and sending a message to the channel manager to stop the search operation.
The user interface comprises: a help bar 1, a list box 3, and a selection button 4.
The user interface further comprises: and a display column 2.
The three selection buttons are respectively as follows: a confirm button, a cancel button, and a next button; wherein, when the confirming button is clicked, the operation of selecting one is carried out;
when the next button is clicked, the operation of selecting the second button is carried out;
and when the cancel button is clicked, the operation of selecting the third button is carried out.
The list box lists a plurality of program information, and when programs are selected repeatedly, the programs in the current digital television are changed.
The user interface and the channel manager are always in a state of waiting for receiving messages; as long as one party sends a message, the other party immediately responds and processes the related things; the channel manager sends data to the user interface while transmitting messages.
The message sent by the user interface to the channel manager includes: a search start message, a program select message, a search next message, and a search stop message.
The message sent by the channel manager to the user interface includes: a search result message, a search end message.
The step of selecting one is as follows: clicking the determining button on the user interface, sending a program selecting message to the channel manager by the user interface, setting the program in the current virtual channel as the selected program by the channel manager, sending a searching ending message to the user interface by the channel manager, ending the searching and exiting the program.
The second step is as follows: clicking the next button on the user interface, and sending a next message to be searched to the channel manager by the user interface; the channel manager searches the program of the next physical channel, if the next physical channel is empty, the search is finished, and the program exits; if the next physical channel is not empty, a search result message is sent to the user interface, and meanwhile, search data is transmitted to the user interface.
The third step is as follows: and clicking the cancel button on the user interface, sending a search stop message to the channel manager by the user interface, finishing the search and exiting the program.
The method has the advantages that the method for manually searching the channels of the digital television enables a digital television user to conveniently perform the operation of manually searching the channels, combines the characteristics of the digital television and has good interactivity.
Drawings
FIG. 1 is a schematic view of a user interface;
FIG. 2 is a message flow diagram between the user interface and the channel manager when the cancel button is clicked;
FIG. 3 is a message flow diagram between the user interface and the channel manager when the OK button is clicked;
FIG. 4 is a message flow diagram between the user interface and the channel manager when the next button is clicked;
FIG. 5 is a schematic view of a user interface display bar;
FIG. 6 is a schematic view of a user interface display bar and list box;
FIG. 7a is a drawing a according to an embodiment of the present invention;
FIG. 7b is a drawing b according to an embodiment of the present invention;
FIG. 7c is a drawing c according to an embodiment of the present invention;
FIG. 7d is a drawing d according to an embodiment of the present invention;
FIG. 7e is a drawing e of an embodiment of the present invention;
FIG. 7f is a drawing f according to an embodiment of the present invention;
FIG. 7g is a drawing g of an embodiment of the present invention;
FIG. 7h is a drawing h according to an embodiment of the present invention;
FIG. 7i is a drawing i according to an embodiment of the present invention;
FIG. 7j is a drawing of a detail section according to an embodiment of the present invention;
FIG. 7k is a drawing k according to an embodiment of the present invention;
FIG. 8 is a flow chart of the operation of the present invention.
Detailed Description
The following describes a specific embodiment of the present invention with reference to the accompanying drawings, and the method of the present invention is characterized by controlling the searching process and the processing of the searching result in a message sending mode. The user interface sends a 'search start' message (the message interface parameter is the virtual channel number) to the channel manager; the channel manager searches the current physical channel after receiving the message, sends a 'search result' message to the user interface after the search is finished, and adds the search data to the message interface parameter; the user interface displays the search result in the user interface after receiving the message, the user interface has three buttons of 'confirm', 'cancel' and 'next', when different buttons are selected, different messages can be sent to the channel manager, and the channel manager processes the messages.
The concept related to the invention is as follows:
a channel manager for managing a module of channel information;
virtual channel: the channel number that the user can see. The current virtual channel number is "1" when the user presses "1" from the remote controller;
physical channel: the channel for transmitting programs really, one physical channel in the digital television can transmit a plurality of sets of programs;
auto search (auto scan): automatically adding the searched program information to the virtual channel in sequence;
manual search (manual scan): searching for programs in the specified virtual channel number.
Secondly, the user interface of the invention:
fig. 1 shows a user interface used in a manual search. The meaning of the various parts in figure 1 is,
help bar 1: indicating that the "up and down keys" can be toggled between the listed programs, the "left and right keys" can be toggled between the three buttons, and the "select key" is used to select a button.
Display field 2: the current search information is displayed. If in the search state, it is displayed as "positive
Searching for channel X. "; if the search is finished, displaying that the programs are searched out in X sets.
List box 3: and displaying the program title searched out by the current physical channel.
Button 4: point "confirm", can set up the program selected at present as the program of the channel; if the point is 'cancel', the program setting operation is cancelled; the point "next" may then be followed by searching for the program of the next physical channel.
Thirdly, the message of the invention:
if the UI is abbreviated as UI and the CM is the channel manager, the messages used between the two modules of UI and channel manager are:
UI _ START: this message is a "manual search start" message. The UI sends the message to the CM, and the CM searches the current physical channel after receiving the message.
UI _ NEXT: this message is a "search next" message. The UI sends it to the CM, which upon receiving this message will search for the next physical channel.
UI _ SELECT: this message is a "select" message. The UI sends the message to the CM, and the CM receives the message and sets the selected program as the program in the current virtual channel.
UI _ STOP: this message is a "stop search" message. The UI sends the message to the CM, the CM stops searching after receiving the message, and the program exits.
CM _ RESULT: this message is a "search results" message. The CM sends the information to the UI, the data of the search result is transmitted at the same time, and the UI receives the information and displays the search result in the user interface.
CM _ CMPLETE: this message is a "search complete" message. The CM sends it to the UI, which receives the message and then the program exits.
A message flow diagram between the user interface and the channel manager is next presented.
As shown in fig. 2, this message flow corresponds to the operation of clicking "cancel" from the user interface. The message flow is as follows:
UI_START→CM_RESULT→UI_STOP
as shown in FIG. 3, this message flow corresponds to clicking "OK" from the user interface. The message flow is as follows:
UI_START→CM_RESULT→UI_SELECT→CM_COMPLETE
as shown in FIG. 4, this message flow corresponds to an operation "next" from the point in the user interface. The message flow is as follows:
fourth, the embodiment:
and searching out programs transmitted in the channel according to the current physical channel, and displaying the searched out programs in a list in the interface. If the current physical channel has no program or is not satisfied with the currently displayed program, the next physical channel can be searched. The up and down keys can select programs, the left and right keys can select buttons, and the buttons comprise three types of 'confirm', 'cancel' and 'next'.
The implementation steps are as follows:
at this point the message executes to UI _ START → CM _ RESULT;
step 5, if the number of the searched programs is larger than zero, executing step 6; if the number of the searched programs is equal to zero, executing the step 7;
step 6, if the displayed programs have satisfactory programs, executing step 9; if no satisfactory program exists, executing step 7;
step 7, if the user wants to quit, executing step 10; if the user wants to search the next physical channel, the user interface points to 'next', and the user interface sends 'next' information to the channel manager;
step 8, the channel manager searches the next physical channel, if the physical channel is not empty, step 3 is executed; if the physical channel is empty, the search is finished, the program exits, and the dialog box exits (at this time, the execution process of the message is:
and 9, determining a user interface point, sending a selection message to the channel manager by the user interface, setting the program in the current virtual channel as the selected program by the channel manager, sending an end message to the user interface by the channel manager, finishing the search, exiting the program and exiting the dialog box. The message execution process at this time is as follows:
and step 10, clicking the user interface to cancel, sending a stop message to the channel manager by the user interface, finishing searching, exiting the program and exiting the dialog box. The user interface is shown in fig. 6. The execution process of the message at this time is as follows:
the following describes preferred embodiments for carrying out the invention:
in the preferred embodiment the current virtual channel number is 3 and the program being shown is a penguin animation (as shown in figure 7 a). If the channel 3 is to be manually searched, the steps are as follows.
Selecting "channel" from the menu of fig. 7a, popping up "manual scan", and selecting "cable" input mode in fig. 7 b.
Clicking the select key causes the channel manager to search for the current physical channel and pass the results to the user interface, which displays the search results in the user interface (as shown in fig. 7 c) and pops up the user interface (as shown in fig. 7 d).
When the user interface is popped up, the current default selection item is 'Test Ch 1', so that the current program is switched to the program of 'Test Ch 1', which is only used for the user to browse, and is not really set as the program. When the program is switched by the up-down keys, the background is also changed correspondingly. This interface is explained below.
In the user interface (as shown in fig. 7 e):
the first row is a help bar indicating that the up and down keys can select the program of the channel and the left and right keys can select the button.
The second row "search out 6 sets of programs altogether" means that 6 sets of programs are searched out altogether in the current physical channel, and the number of the programs searched out at present is displayed. Display "X channel is being searched when in search state.
And displaying the searched program information in the list box, wherein the selected program is displayed in black. The list box displays 5 sets of programs at most once, if the searched programs are less than 5 sets, the rest program titles are represented by "-"; if the number of the scroll bars is larger than 5, the pages can be turned by using the upper and lower keys, and the size of the scroll bars is changed.
When these programs are selected from the list box by the up and down keys, the programs displayed on the tv are changed accordingly.
The buttons are three types, namely 'confirm', 'cancel' and 'next'. When the searched program is equal to zero, the ok button is not activated, and only the next or cancel button can be selected.
If it is desired to change the current program to the "Test Ch 2" program, the "Test Ch 2" program is selected from the list box by the up-down key, the "ok" key is switched to by the left-right key, and the "select" key is clicked again, and this program is added to channel 3.
Select "Test Ch 2", point determination (as shown in FIG. 7 f);
the dialog box disappears and the current program is really set to the "Test Ch 2" program (as shown in fig. 7g, 7 h).
As shown in fig. 7i, when the user wants to cancel the manual search operation, the user selects "cancel" with the left and right keys and clicks the "select" key again. Click the "cancel" button; the dialog box disappears and returns to the original program (as shown in fig. 7 j).
As shown in fig. 7k, when a user wants to search for another program, the user selects "next" by the left and right keys and clicks the "select" key. If the next physical channel is empty, the program is exited; if not, the search result is displayed in the user interface.
The current physical channel is empty and the program exits.
As shown in fig. 8, the operation flow of the present invention is: the digital signal is transmitted to the set-top box, the received digital signal is decoded in the set-top box to obtain the physical channel data, and then the message is waited for.
The user interface sends a manual search starting message to the channel manager, and the message interface parameter is the current virtual channel number;
the channel manager searches programs from the current physical channel after receiving the manual search starting message, and exits if the current physical channel is empty;
after the searching of programs such as the channel manager is finished, sending a searching result message to the user interface and transmitting searching result data; if the search result is empty, entering a user interface (dialog box); the user interface displays the search result after receiving the search result message; and the interaction has at least three options:
selecting one program and selecting a set of programs from the program information displayed on the user interface to be set as the programs of the virtual channel;
selecting two, sending a message to the channel manager to continue searching the next physical channel;
and selecting three, and sending a message to the channel manager to stop the search operation.
The invention provides a method for manually searching channels of a digital television, so that a digital television user can conveniently and manually search channels.
The above specific embodiments are merely illustrative of the present invention and are not intended to limit the present invention.
Claims (11)
1. A method for manually searching channels of a digital television controls the channel searching process and the processing of the searching result by adopting a message sending mode between a user interface and a channel manager, displays information and realizes interaction through the user interface, and is characterized by comprising the following steps:
transmitting channel information separated from the received data to the channel manager, the channel manager preparing to receive the message and processing operations on the channel according to the content of the message;
the user interface sends a manual search starting message to the channel manager, and the message interface parameter is the current virtual channel number;
the channel manager searches programs from the current physical channel after receiving the manual search starting message;
after the searching of programs such as the channel manager is finished, sending a searching result message to the user interface and transmitting searching result data;
the user interface displays the search result after receiving the search result message; and interaction through the user interface has at least three choices:
selecting one program and selecting a set of programs from the program information displayed on the user interface to be set as the programs of the virtual channel;
selecting two, sending a message to the channel manager to continue searching the next physical channel;
and selecting three, and sending a message to the channel manager to stop the search operation.
2. The method of claim 1, wherein the user interface comprises: a help bar (1), a list box (3), and a selection button (4).
3. The method of claim 1, wherein the user interface comprises: the help bar (1), the display bar (2), the list box (3) and three selection buttons (4).
4. The method of claim 3, wherein the three selection buttons are: a confirm button, a cancel button, and a next button; wherein,
when the determined button is clicked, the operation of selecting one is carried out;
when the next button is clicked, the operation of selecting the second button is carried out;
and when the cancel button is clicked, the operation of selecting the third button is carried out.
5. The method of claim 2, 3 or 4, wherein the list box lists a plurality of program information, and the program in the current digital television is changed when the program is selected back and forth.
6. The method of claim 1, wherein the user interface and channel manager are always waiting to receive a message; as long as one party sends a message, the other party immediately responds and processes the related things; the channel manager sends data to the user interface while transmitting messages.
7. The method of claim 1, wherein the message sent by the user interface to the channel manager comprises: a search start message, a program select message, a search next message, and a search stop message.
8. The method of claim 1, wherein the message sent by the channel manager to the user interface comprises: a search result message, a search end message.
9. The method of claim 4, wherein the step of selecting one comprises: clicking the determining button on the user interface, sending a program selecting message to the channel manager by the user interface, setting the program in the current virtual channel as the selected program by the channel manager, sending a searching ending message to the user interface by the channel manager, ending the searching and exiting the program.
10. The method of claim 4, wherein said step of selecting two is: clicking the next button on the user interface, and sending a next message to be searched to the channel manager by the user interface; the channel manager searches the program of the next physical channel, if the next physical channel is empty, the search is finished, and the program exits; if the next physical channel is not empty, a search result message is sent to the user interface, and meanwhile, search data is transmitted to the user interface.
11. The method of claim 4, wherein the step of selecting three is: and clicking the cancel button on the user interface, sending a search stop message to the channel manager by the user interface, finishing the search and exiting the program.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNB2004100381616A CN100348040C (en) | 2004-05-11 | 2004-05-11 | Method for manual searching channels in digital TV |
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| CNB2004100381616A CN100348040C (en) | 2004-05-11 | 2004-05-11 | Method for manual searching channels in digital TV |
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| CN1697518A CN1697518A (en) | 2005-11-16 |
| CN100348040C true CN100348040C (en) | 2007-11-07 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101387949B (en) * | 2008-08-29 | 2013-01-09 | 北京恒泰实达科技股份有限公司 | Customer terminal interface display method and system for emergency system |
| CN102572535B (en) * | 2011-12-28 | 2015-07-22 | 上海聚力传媒技术有限公司 | Method, device, equipment and system for user to select channels |
| CN105828177A (en) * | 2016-03-29 | 2016-08-03 | 乐视控股（北京）有限公司 | Television channel searching control method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1227457A (en) * | 1997-12-19 | 1999-09-01 | 松下电器产业株式会社 | Method and apparatus for producing program information and receiving apparatus for processing program information |
| KR20010100720A (en) * | 2000-05-06 | 2001-11-14 | 구자홍 | Channel search method for digital tv |
| CN1340242A (en) * | 1999-12-16 | 2002-03-13 | 皇家菲利浦电子有限公司 | Speed up search tuning in television receivers |
| CN1347244A (en) * | 1999-10-06 | 2002-05-01 | Lg电子株式会社 | Device and method for channel control of digital TV |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1227457A (en) * | 1997-12-19 | 1999-09-01 | 松下电器产业株式会社 | Method and apparatus for producing program information and receiving apparatus for processing program information |
| CN1347244A (en) * | 1999-10-06 | 2002-05-01 | Lg电子株式会社 | Device and method for channel control of digital TV |
| CN1340242A (en) * | 1999-12-16 | 2002-03-13 | 皇家菲利浦电子有限公司 | Speed up search tuning in television receivers |
| KR20010100720A (en) * | 2000-05-06 | 2001-11-14 | 구자홍 | Channel search method for digital tv |
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