KR20080062845A - Method for displaying channel banner of digital broadcasting receiver - Google Patents

Abstract

A method for displaying a channel banner in a digital broadcasting receiver is provided to scroll a channel banner on a screen, thereby allowing a user to recognize the progress of channel change easily. If a channel change command is inputted through a user interface(S100), a controller checks whether the channel change command is inputted by a numeral key or a channel up/down key(S110). If the channel change command is inputted by the channel up/down key, the controller extracts channel banner information of a corresponding channel from a memory to transfer the channel banner information to an OSD(On Screen Display) processor(S120). The OSD processor generates an OSD signal by using the channel banner information so that a channel banner screen is scrolled(S130). A display unit outputs the OSD signal to display a channel banner on a screen(S140).

Description

Method for displaying channel banner of digital broadcasting receiver}

1 is a view showing a channel banner display screen in a conventional digital broadcasting receiver.

2 is a block diagram showing a digital broadcast receiver of the present invention.

3 is a flowchart illustrating an embodiment of a method for displaying a channel banner of a digital broadcast receiver of the present invention.

4 is a diagram illustrating an embodiment of a channel banner screen of the present invention.

5 is a view showing a list of adjacent channels of a corresponding channel on the screen after channel switching of the present invention is completed.

Explanation of symbols on the main parts of the drawings

100: tuner 101: demultiplexer

102: voice processing unit 103: speaker

104: memory 105: OSD processing unit

106: image processing unit 107: display unit

108: control unit 109: user interface

The present invention relates to a channel banner display method of a digital broadcast receiver.

Recently, with the development of digital technology, the digitization of analog broadcasting has been actively promoted in various countries of the world.

As analog broadcasting is converted to digital method, multi-channel and high quality are possible, and digital broadcasting provides Electronic Program Guide (EPG) in addition to the function to provide users with simple video and audio signals. Doing.

Viewers of the broadcast signal receiver can obtain the information of the broadcast program for each channel by using the EPG provided by the broadcasting station, select and receive the broadcast signal of the channel that they want to watch, and also reserve recording. Various functions can be performed.

In a digital broadcast receiver receiving such a digital broadcast, a user switches channels using a user interface such as a key matrix provided on a remote controller or a panel of a digital broadcast receiver.

At this time, the user can directly move to the corresponding channel by using the numeric keys of the remote control, or can sequentially move to the corresponding channel by using keys such as CH + and CH-.

In addition, the channel can be switched to the previously viewed channel using the FlashBk key, and can be switched to the channel registered as a favorite channel using the Favorite key.

As such, after switching channels using a specific key of the remote controller, the digital broadcasting receiver displays the channel number of the switched channel and the audio information of the corresponding channel through the channel banner.

1 is a view showing a channel banner display screen in a conventional digital broadcast receiver.

As shown therein, the channel banner 10 displays the current channel number (logical channel number) and the audio type (Stereo, Mono, Sap, Dolby Digital, etc.) of the corresponding channel.

In the case of digital broadcasting, a logical channel number is indicated by a channel number. The logical channel is a new concept in digital broadcasting. The logical channel is divided into one physical channel (channel according to a physical frequency number such as NTSC broadcasting). It means several sub-channels to use.

In addition to the current channel number and the audio type of the channel, the channel banner 10 may further include additional information about the channel, such as broadcast logo, e-mail, and parental control.

In the conventional digital broadcasting receiver, the channel banner is simply displayed on the screen after the channel change, so that the user has only the result of the channel change.

That is, after the user switched channels, it was not possible to know how long the normal screen was displayed. Therefore, the user had to wait for the screen to be displayed. There was no way to know the progress of the channel switching.

In the case of digital broadcasting, when receiving a digital broadcasting signal and displaying it on the screen, video data encoded according to the Moving Picture Experts Group (MPEG) protocol must be decoded. It takes time.

In general, in case of analog broadcasting, it usually takes 0.5 seconds to change the channel, and in the case of digital broadcasting, it takes 1 second to 2 seconds or more. As the delay time occurs, the user switches the channel. You feel frustrated and bored until losing.

In the conventional digital broadcasting receiver, when a user switches channels by using the CH + and CH-keys of the remote controller, information about which channel is moved when the CH + and CH − keys are continuously pressed is not known.

Channel information may be known through a channel map provided from an EPG or a menu of a digital broadcast receiver, but it is troublesome to press a specific key.

Therefore, in order for the user to know when a normal screen is displayed when switching channels, it is required to display the progress of channel switching on the channel banner.

In addition, when the user switches channels by using the CH + and CH-keys of the remote controller, when the CH + and CH − keys are continuously pressed, the channel information on which channel is moved is required to be displayed in advance.

SUMMARY OF THE INVENTION An object of the present invention, which is designed to solve the problems described above, is to display a channel banner scrolled up or down according to a channel up / down key when switching a channel, so that a user can know the progress of channel switching. A channel banner display method of a digital broadcasting receiver is provided.

Another object of the present invention is to provide a method for displaying a channel banner of a digital broadcast receiver that can easily move to an adjacent channel through a channel up / down key by displaying a list of adjacent channels of the switched channel after the channel switching is completed. There is.

According to a preferred embodiment of the method for displaying a channel banner of a digital broadcast receiver of the present invention, when a channel switch command is input through a user interface, the control unit determines whether the channel switch command is by a numeric key or a channel up / down key. If the channel switching command is a channel up / down key, the controller extracts the channel banner information of the corresponding channel from the memory and delivers the channel banner information to the OSD processing unit. Generating an on screen display (OSD) signal such that the channel banner screen is scrolled and displayed using the channel banner information; and displaying a channel banner on the screen by outputting the OSD signal to a display unit. Characterized in that made.

After the channel banner screen is displayed, the controller determines whether the channel switching is completed, and when channel switching is completed, extracting channel information of adjacent channels of the switched channel from the memory and transferring the channel information to the OSD processing unit; And generating, by the OSD processing unit, an OSD signal using the channel information of the adjacent channels, and displaying, by the display unit, the adjacent channel list of the converted channel on the screen by outputting the OSD signal. do.

Here, the channel banner displayed on the screen is displayed scrolled up or down according to the channel up / down keys, and is displayed while being scrolled until channel switching is completed.

Hereinafter, the channel banner display method of the digital broadcast receiver of the present invention will be described in detail with reference to FIGS. 2 to 5. In describing the present invention, when it is determined that the detailed description of the known technology related to the present invention may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

2 is a block diagram showing a digital broadcast receiver of the present invention.

As shown in the drawing, the digital broadcast receiver of the present invention includes a tuner 100, a demultiplexer 101, a voice processing unit 102, a speaker 103, a memory 104, an OSD processing unit 105, and an image processing unit 106. ), A display unit 107, a control unit 108, and a user interface 109.

In the television receiver configured as described above, the tuner 100 receives a broadcast signal selected by a user from among broadcast signals input through an antenna or a cable and outputs a transport stream.

The demultiplexer 101 separates a transport stream output from the tuner 100 into an image stream and an audio stream.

The speech processor 102 decodes the speech stream separated by the demultiplexer 101 into a speech signal and outputs the speech signal.

The speaker 103 outputs a voice signal output from the voice processor 102.

The memory 104 stores channel banner information corresponding to each channel, and stores data for various menu screens and additional information screens.

That is, the memory 104 stores channel information detected through a channel scan in each corresponding area.

The OSD processor 105 generates an on screen display (OSD) signal according to the channel banner information stored in the memory 104.

That is, the OSD processing unit 105 configures the OSD screen data based on the generated vertical and horizontal synchronization signals for outputting the position of the channel banner screen to be output.

The image processor 106 decodes the image stream separated by the demultiplexer 101 into an image signal, and synthesizes the decoded image signal and the OSD signal output from the OSD processor 105.

The display unit 107 outputs an image signal and an OSD signal output from the image processing unit 106 so that the user can watch.

The control unit 108 generates various control signals for controlling the operation of the respective constituent means included in the digital broadcast receiver by a predetermined control routine.

That is, the controller 108 extracts the channel banner information for the corresponding channel from the memory 104 when the channel switching command is received from the user, and transmits the channel banner information to the OSD processing unit 105 to display the channel banner screen. To be displayed.

The user interface 109 generates a corresponding key signal to the controller 108 by a user's manipulation.

3 is a flowchart illustrating an embodiment of a method for displaying a channel banner of a digital broadcast receiver of the present invention.

As shown therein, first, the controller 108 checks whether a channel switching command is input through the user interface 109 (step S100).

As a result of checking in step S 100, when a channel switch command is input through the user interface 109, the controller 108 determines whether the channel switch command is a numeric key signal or a CH + / CH − key signal. Check (step S 110).

As a result of checking in step S 110, if the channel switch command is a numeric key signal, the controller 108 generates a tuning control signal to the tuner 100 to switch channels to the corresponding channel (step S 115). ).

As a result of checking in step S 110, when the channel switch command is a CH + / CH − key signal, the controller 108 extracts channel banner information for a corresponding channel from the memory 104 and then extracts the channel banner information. The channel banner information is transmitted to the OSD processor 105 (step S 120).

In this case, the memory 104 stores channel banner information corresponding to each channel. To this end, the user performs channel scanning to detect channel banner information, and then stores the detected channel banner information in the memory 104. Save it.

Next, the OSD processing unit 105 configures the OSD screen data using the received channel banner information, and outputs the OSD screen data to the image processing unit 106 (step S 130).

At this time, the OSD processing unit 105 periodically outputs an OSD (On Screen Display) signal for the channel banner at regular intervals so that the channel banner screen is scrolled and displayed on the display unit 107.

Here, the scroll direction of the channel banner screen may be changed depending on whether the channel switching command is by a CH + key signal or a CH-key signal.

That is, when the channel change command is caused by the CH + key signal, the OSD processing unit 105 configures the OSD screen data so that the corresponding channel banner screen is scrolled up, and outputs the OSD screen data to the image processing unit 106.

In addition, when the channel change command is a CH-key signal, the OSD processing unit 105 configures the OSD screen data so that the corresponding channel banner screen is scrolled down and outputs it to the image processing unit 106. .

In addition, the OSD processing unit 105 outputs an OSD (On Screen Display) signal for the channel banner until a time when channel switching is completed.

That is, as described above, in the case of digital broadcasting, it takes about 1 to 2 seconds to complete channel switching, so that the OSD processing unit 105 scrolls the channel banner screen until the channel switching is performed to the corresponding channel. Outputs the OSD signal for the channel banner.

Subsequently, the image processing unit 106 transmits an OSD signal for the channel banner output from the OSD processing unit 105 to the display unit 107 so that the channel banner is displayed on the screen (step S 140).

At this time, the channel banner displayed on the display unit 107 is displayed while scrolling up or down until the channel switching is completed according to the user's input of the CH + or CH − key.

As such, when there is a channel switching command of the user, the channel banner is displayed while being scrolled on the screen, so that the user can see the progress of the channel switching and can know when the screen is normally displayed.

In addition, by expressing the channel switching process dynamically through the channel banner, it is possible to reduce the frustration and boredom that the user felt during the channel switching process.

In addition, by allowing the channel banner to scroll up or down in response to a CH + or CH-key input, the user can easily recognize the direction of the channel switch, thereby allowing the user to quickly process when the user presses the wrong key. .

Subsequently, the controller 108 checks whether the channel switching is completed (step S 150), and when channel switching is completed, extracts channel information of adjacent channels of the switched channel from the memory 104 to the OSD processing unit 105. Transfer (step S 160).

Next, the OSD processing unit 105 generates an OSD signal using the channel information of the received adjacent channels (step S 170).

Subsequently, the image processing unit 106 transmits the OSD signal for the adjacent channels output from the OSD processing unit 105 to the display unit 107 so that the adjacent channel list is displayed on the screen (step S 180).

As described above, according to the present invention, after the channel switching is completed, the adjacent channel list of the corresponding channel is displayed on the screen so that the user can easily move to the adjacent channel through the CH + or CH-key.

4 is a diagram illustrating an embodiment of a channel banner screen of the present invention.

As shown in the drawing, when the user presses the CH + or CH − key on the remote control to switch the channel, the channel burner 100 is dynamically scrolled until the channel switching is completed.

The channel burner 100 displays a channel number and audio information (Stereo, Mono, Sap, Dolby Digital, etc.) of the corresponding channel.

The channel banner 100 may further include additional information about the channel, for example, a broadcast logo, e-mail, and parental control, in addition to the channel number and the audio information of the corresponding channel.

5 is a diagram illustrating a list of adjacent channels of a corresponding channel on a screen after channel switching of the present invention is completed.

As shown in FIG. 2, when channel switching is completed according to a user's channel switching command, the adjacent channel list 110 of the converted channel is displayed on the screen together with the channel banner 100.

That is, if the current channel is 30-0, when the user inputs the channel switching command by pressing the CH + key, the channel is switched to channel 31-0, where the user changes the channel to CH + or CH Channel numbers that can be moved through the key are displayed on the screen through the adjacent channel list 110.

At this time, the channel converted by the user's channel switching command is displayed in a different color on the screen to distinguish it from other channel information.

In the present embodiment, the switched channel 115 is displayed in orange to distinguish it from other channel information.

As such, when the user presses the CH + or CH − key while the adjacent channel list is displayed on the screen, the channel banner 100 scrolls up or down to display the channel progress.

When the channel switching is completed, the color of the channel currently switched in the adjacent channel list 110 is displayed in another color, for example, orange.

In addition, the adjacent channel information of the adjacent channel list 110 is updated with the adjacent channel information of the corresponding channel as the user switches the channel by pressing the CH + or CH-key.

In this case, as the channel banner 100 is scrolled and displayed, the adjacent channel list 110 may be scrolled and displayed.

Although the present invention has been described in detail with reference to exemplary embodiments above, those skilled in the art to which the present invention pertains can make various modifications to the above-described embodiments without departing from the scope of the present invention. I will understand.

Therefore, the scope of the present invention should not be limited to the described embodiments, but should be defined by the claims below and equivalents thereof.

As described above, according to the present invention, when the user has a channel switching command, the channel banner is displayed while being scrolled on the screen, so that the user can see the progress of the channel switching to know when the screen is normally displayed. have.

In addition, by expressing the channel switching process dynamically through the channel banner, it is possible to reduce the frustration and boredom that the user felt during the channel switching process.

In addition, by allowing the channel banner to scroll up or down in response to a CH + or CH-key input, the user can easily recognize the direction of the channel switch, thereby allowing the user to quickly process when the user presses the wrong key. .

In addition, according to the present invention, after the channel switching is completed, the adjacent channel list of the corresponding channel is displayed on the screen so that the user can easily move to the adjacent channel through the CH + or CH − key.

Claims (7)

When the channel switch command is input through a user interface, the controller checking whether the channel switch command is by a numeric key or a channel up / down key; If the channel change command is a channel up / down key, the controller extracts channel banner information of a corresponding channel from a memory and transmits the channel banner information to an OSD processor; Generating, by the OSD processing unit, an on screen display (OSD) signal such that a channel banner screen is scrolled and displayed using the channel banner information; And And a display unit outputting the OSD signal to display a channel banner on a screen. The method of claim 1, After displaying the channel banner screen, Checking, by the controller, whether channel switching is completed and extracting channel information of adjacent channels of the switched channel from the memory and transferring the channel information to the OSD processing unit when channel switching is completed; Generating, by the OSD processor, an OSD signal using channel information of the adjacent channels; And And displaying, by the display unit, an OSD signal and displaying an adjacent channel list of the changed channel on a screen. The method of claim 1, If the channel change command is a numeric key, the control unit may further include generating a tuning control signal to the tuner and switching the channel to the corresponding channel. Way. The method according to claim 1 or 2, The channel banner display method of the digital broadcast receiver, characterized in that the channel banner displayed on the screen is scrolled up / down according to the channel up / down keys. The method according to claim 1 or 2, The channel banner display method of the digital broadcast receiver, characterized in that the channel banner displayed on the screen scrolls until the channel switching is completed. The method of claim 2, The channel banner display method of the digital broadcast receiver, characterized in that the channel information of the switched channel in the adjacent channel list displayed on the screen is displayed in a different color. The method of claim 2, The adjacent channel list displayed on the screen is displayed by scrolling up or down according to the channel up / down keys.

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