KR100727976B1 - Service display method in DMB, and DMB receiver thereof - Google Patents

Abstract

The present invention discloses a service display method for providing an ensemble and service information provided in a DMB so that a user can use the same, and a DMB receiving apparatus using the method. In the digital multimedia broadcasting of the present invention, a method for displaying a broadcast service comprises: analyzing an ensemble item and a service item constituting broadcast information by processing a digital multimedia broadcast signal; And constructing and displaying a screen such that the service item constituting the ensemble item is located inside the ensemble item. According to the present invention, by placing a service item in an ensemble item for a DMB broadcast service, broadcast service information may be displayed to be easily recognized by a user.

Digital multimedia broadcasting, ensemble, service, display, screenshot

Description

A service display method provided in a DMV and a DMV receiving apparatus using the method {Service display method in DMB, and DMB receivers}

1 is a diagram illustrating an example of a conventional broadcast information display screen;

2 is a diagram illustrating an example of a conventional broadcast service search and display method.

3 is a block diagram showing an internal configuration of a DMB receiving apparatus according to an embodiment of the present invention.

4 is a diagram illustrating a screen provided by a DMB receiving apparatus according to an embodiment of the present invention.

5 is a diagram illustrating a screen provided by a DMB receiving apparatus according to another embodiment of the present invention.

6 is a flowchart illustrating a service display method according to an embodiment of the present invention.

The present invention relates to a method and apparatus for showing an ensemble and service information provided in a digital multimedia broadcast (DMB) to a user. More particularly, the present invention relates to an ensemble and service information provided in a DMB so that a user can easily use the information. A service display method provided and a DMB receiving apparatus using the method.

1 is a diagram illustrating an example of a conventional broadcast information display screen.

FIG. 1 (a) shows a screen of a DMB receiving apparatus providing a linear service list applied to a conventional analog terminal. If the DMB broadcasting information is displayed as shown in FIG. 1A, other ensemble items cannot be viewed, and a user may not easily understand the service by configuring and displaying a channel in a manner provided by a broadcasting station. On the other hand, as shown in (b) of FIG. 1, there is a problem in that a DMB broadcast can be classified into an arbitrary category, for example, TV, radio, data broadcast, etc., so that a broadcast service can not be searched by a DMB broadcaster or a user.

2 is a diagram illustrating an example of a conventional broadcast service search and display method.

When the user selects a service type, for example, TV, for the broadcast service screen 2, the broadcast service list 4 for the TV is displayed. When the user selects one of the broadcast service lists 4, the screen 6 in which the channel is switched is displayed. When the tuning for the channel is completed, the screen 8 in which the broadcast data is decoded is provided.

Using such a broadcast service search method requires a plurality of user input steps according to categories compared to a conventional TV or the like, and there is a problem that the search and use of the broadcast service is not efficient because the broadcast service cannot be easily understood.

Accordingly, an aspect of the present invention is to provide a service display method for providing a user with easy recognition of broadcast service information provided in digital multimedia broadcasting, and a DMB receiving apparatus using the method.

According to an aspect of the present invention, a method for displaying a digital multimedia broadcasting service according to an aspect of the present invention includes the steps of analyzing an ensemble item and a service item constituting broadcast information by processing a digital multimedia broadcast signal. ; And constructing and displaying a screen such that the service item constituting the ensemble item is located inside the ensemble item.

Preferably, if the service item includes a video broadcast, the service item is provided in video graphics in the form of a screenshot. Preferably, the service item visualizes and displays a state of a broadcast signal and a delay state of time according to decoding of the broadcast signal.

In accordance with another aspect of the present invention, an apparatus for receiving a digital multimedia broadcasting (DMB) for displaying a broadcast service in a digital multimedia broadcasting includes: a user interface configured to receive a selection signal for digital multimedia broadcasting; A DMB signal processor configured to process the digital multimedia broadcasting signal input from the user interface unit, analyze an ensemble item and a service item constituting broadcast information, and configure a screen such that a service item constituting the ensemble item is located inside the ensemble item; And a display unit for outputting a display signal input from the DMB signal processor.

Preferably, the ensemble items are searched using the up and down direction buttons provided in the user interface unit, and the service items are searched using the left and right direction buttons.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

3 is a block diagram illustrating an internal configuration of a DMB receiving apparatus according to an embodiment of the present invention.

The DMB receiving apparatus 100 may include a tuner 110, a demodulator 120, a channel decoder 130, a controller 140, an audio decoder 160, a video decoder 162, a data decoder 164, and a screen configuration unit ( And a DMB signal processor 190, a user interface 150, and a display 180.

Orthogonal Frequency Division Multiplexing (OFDM) modulated signals are received by a tuner 110 and demodulated by a demodulator 120 to form a DMB transmission frame. The channel decoder 130 parses fast information channel (FIC) data included in the DMB transmission frame and generates a service list. The high-speed information channel (FIC) data includes multiplex configuration information (MCI), which contains information on the structure of each subchannel, and service information (SI), which is additional information about each service. Thus, when this channel is interpreted, the ensemble and attribute information of the service are interpreted to know what service data is transmitted and what application the service will be used by.

The controller 140 controls the overall DMB receiving apparatus 100 and informs the channel decoder 130 of what service data to decode. The selection of the service is input as a selection signal through the user interface unit 150 through a touch screen or a button.

In addition, the control unit 140 sends a command to the audio decoder 160, the video decoder 162, and the data decoder 164 to decode the service, respectively, to decode the decoded audio service, the decoded video service, and the decoded data service. Outputs the screen to the screen unit 170, and the screen unit 170 configures the screen according to the command of the controller 140 to show to the user through the display unit 180. In addition, the screen configuration unit 170 may include a database including a mapping table of service information (SI) for content, and may use the above-described ensemble and service attribute information (SI), and content such as audio and video. The screen is configured according to the control signal of the controller 140 and output to the display unit 180.

In particular, the screen configuration unit 170 according to an embodiment of the present invention configures the screen so that the service item constituting the ensemble item is located inside the ensemble item. In addition, the user interface unit 150 may be configured such that the ensemble is switched using the up and down direction buttons provided in the user interface unit 150, and the service is selected using the left and right direction buttons.

Therefore, when the user switches to the screen showing the DMB broadcasting configuration by using the user interface 160 providing a button or a touch screen, the tuner 110 of the DMB receiving apparatus starts tuning. The information obtained by the tuner 110 is analyzed by the decoders 130, 160, 162, and 164 through the demodulator 120, and the screen configuration unit 170 is controlled as shown in FIGS. 4 and 5 under the control of the controller 140. It may be provided in the form of a screen.

4 is a diagram illustrating a screen provided by a DMB receiving apparatus according to an embodiment of the present invention.

Referring to FIG. 4, a background screen or other video data is displayed on a screen of a DMB receiving apparatus, and an ensemble item and a service item of a DMB broadcast are displayed on a lower portion of the screen according to an embodiment of the present invention. In the screen of FIG. 4, the ensemble items 20, 30, and 40 are arranged in a horizontal direction, and the video broadcast item 31, the audio broadcast item 33, which are service items included in the currently selected SBS ensemble item 30, The data broadcast items 35 are arranged in the horizontal direction. As such, when a service item is located in the ensemble item, it is easy for a user to recognize, and when selecting a broadcast service, the user may check the content of the corresponding broadcast and then select a desired broadcast service.

The video broadcast item 31 may be decoded and displayed on the service item display area in the form of a screenshot. In this case, the area of the video broadcast item 31 need not be displayed at the same frame rate as the actual video broadcast, but may be displayed in the form of a still picture such as a thumbnail. In the audio broadcasting item 33 and the data broadcasting item 35, schematic information of a broadcasting such as a title of an audio broadcasting and a data broadcasting may be displayed, and when the separate screen image is received, the received image may be displayed. .

 When the ensemble is switched, for example, the first service item 31 of FIG. 4 may be highlighted and displayed. When the ensemble is switched, an ensemble or a service may be selected by using the up and down arrow buttons provided in the user interface unit 150 of the DMB receiving apparatus and the left and right arrow buttons when switching services. The user may receive a digital broadcasting service corresponding to the service item by using the OK button or the touch screen provided in the user interface 150 with respect to the service item in the selected ensemble item.

Although the service items 31, 33, and 35 are all displayed on the selected ensemble 30, the service items 31, 33, and 35 are displayed according to the state of the broadcast signal and the time delay caused by the decoding of the broadcast signal. Can be. Therefore, in a situation in which a signal transmitted in an ensemble cannot be received, the entire service item for the ensemble may not be provided.

5 is a diagram illustrating a screen provided by a DMB receiving apparatus according to another embodiment of the present invention.

In the screen of FIG. 5, the ensemble items 10, 20, 30, 40, 50, and 60 are arranged in a vertical direction, and the video broadcast item 31 and the audio are service items included in the currently selected SBS ensemble item 30. Broadcast item 33 The data broadcast item 35 is arranged in a horizontal direction. The configuration of the service item located inside the SBS ensemble item 30 is the same as in FIG.

When the screen is configured as shown in FIG. 5, when the ensemble is switched using the up and down arrow buttons and the service items are switched using the left and right arrow buttons, the configuration of the screen and the movement of the buttons coincide with each other and the user selects a broadcast service. This will not occur.

6 is a flowchart illustrating a service display method according to an embodiment of the present invention.

The ensemble item and service item constituting the broadcast information are analyzed by processing the digital multimedia broadcast signal (S210).

The screen is configured to display a service item constituting the ensemble item so as to be located inside the ensemble item (S 230). When the service item is displayed, the service item may be provided as a video graphic in a screenshot form when the service item includes a video broadcast. In addition, the service item is displayed by visualizing the state of the broadcast signal and the delay state of time according to the decoding of the broadcast signal, so that the user can visually confirm the broadcast state.

The service display method according to the present invention can be embodied as computer readable codes on a computer readable recording medium. Computer-readable recording media include all kinds of recording devices that store data that can be read by a computer system. Examples of computer-readable recording media include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical disk, and the like, and may also include those implemented in the form of carrier waves (eg, transmission over the Internet). do. The computer readable recording medium can also be distributed over network coupled computer systems so that the computer readable code is stored and executed in a distributed fashion.

The above description is only one embodiment of the present invention, and those skilled in the art may implement the present invention in a modified form without departing from the essential characteristics of the present invention. Therefore, the scope of the present invention should not be limited to the above-described examples, but should be construed to include various embodiments within the scope equivalent to those described in the claims.

As described above, according to the present invention, the service item is displayed to be positioned within the ensemble item and provided in a graphic form, which is easy to be recognized by the user, when the user selects a broadcast service, the user checks the contents of the corresponding broadcast, and then the desired broadcast service. Can be selected.

In addition, according to the present invention, it is possible to visually recognize the time reception due to the broadcast reception state and the ensemble switching and service switching.

Claims (5)

In the method of displaying a broadcast service in digital multimedia broadcasting, Analyzing an ensemble item and a service item constituting broadcast information by processing the digital multimedia broadcast signal; And constructing and displaying a screen such that a service item constituting the ensemble item is located inside the ensemble item. The method of claim 1, If the service item includes a video broadcast, the service item is provided as a video graphic in the form of a screenshot. The method of claim 1, And the service item visualizes and displays a state of a broadcast signal and a delay state of time according to decoding of the broadcast signal. In the DMB (Digital Multimedia Broadcasting) receiving device for displaying a broadcast service in digital multimedia broadcasting, A user interface to receive a selection signal for digital multimedia broadcasting; Analyze an ensemble item and a service item constituting broadcast information by processing the digital multimedia broadcast signal selected by the selection signal input from the user interface unit, and display the service item constituting the ensemble item within the ensemble item. A DMB signal processing unit constituting a; And And a display unit for outputting a display signal input from the DMB signal processor. The method of claim 4, wherein The ensemble item is searched using up and down direction buttons provided in the user interface unit, and the service item is searched using a left and right direction button.

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