KR20070081575A - Broadcasting signal receiving apparatus - Google Patents

Abstract

A broadcasting signal receiving apparatus is provided to display a plurality of applications on the same screen by dividing a screen into as many regions as the number of applications and respectively displaying the applications in the divided regions. A broadcasting signal receiving apparatus includes an image signal processor(20), a broadcasting receiver(30), and a controller(50). The image signal processor processes an image signal such that an image corresponding to the image signal is displayed on a display unit of the broadcasting signal receiving apparatus. The broadcasting receiver receives and demodulates a broadcasting signal including additional information and extracts the additional information from the demodulated broadcasting signal. The controller controls the image signal processor to discriminate applications composed of multimedia data from data included in the additional information, divide a screen of the display unit into as many regions as the number of discriminated applications, and respectively display the applications in the divided regions of the screen.

Description

Broadcast signal receiver {BROADCASTING SIGNAL RECEIVING APPARATUS}

1 is a control block diagram of a broadcast signal receiving apparatus according to the present invention;

2 is a control flowchart showing an application in a broadcast signal receiving apparatus according to the present invention;

3 is an exemplary view of displaying an application through an application list according to the present invention.

Description of the main parts of the drawing

10: display unit 20: image signal processing unit

21: OSD generation unit 22: video processor

30: broadcasting receiver 31: tuner

32: demodulator 33: demultiplexer

40: user input unit 50: control unit

51: additional information analysis module 52: OSD module

The present invention relates to a broadcast signal receiving apparatus, and more particularly, to a broadcast signal receiving apparatus capable of displaying additional information included in a broadcast signal.

A general broadcast signal receiving apparatus includes a tuning unit for receiving a broadcast signal, a signal processor for processing the received broadcast signal, and a display unit for displaying the processed broadcast signal.

On the other hand, as digital broadcasting has recently become in earnest, various terminals for receiving and displaying digital broadcasting have been released. In particular, the popularity of digital TVs is increasing. Such digital broadcasting has a feature that can provide additional additional information as well as existing video / audio broadcasting programs.

Conventional digital TV provides a function of extracting additional information from such digital broadcasting, identifying an application included in the extracted additional information, and displaying it on the screen. Here, the application is composed of various multimedia data, and when referred to as itself, is called content. Such content includes non-streaming content, streaming content, and metadata content, and these are used as basic resources used when constructing an application.

In such a conventional digital TV, in identifying and displaying an application included in additional information on a screen, the conventional digital TV may process to display only one application on one screen, and display two or more applications in parallel on one screen. It can't be processed. That is, in the conventional digital TV, when one application is displayed on one screen, when another application is selected, the previously displayed application is terminated and the other selected application is processed to be displayed.

However, according to the conventional digital TV, even if there are two or more received applications, the user can view only one application on one screen, which is inconvenient to recognize and select all the information about the received application.

Accordingly, an object of the present invention is to provide a broadcast signal receiving apparatus that can display a plurality of applications included in the additional information on one screen, and that the user can arbitrarily select the configuration of the screen in displaying the plurality of applications. It is.

According to an aspect of the present invention, there is provided a broadcast signal receiving apparatus including a display unit, comprising: a video signal processing unit for processing to display an image on the display unit; A broadcast receiver which receives and demodulates a broadcast signal including additional information, and extracts and outputs the additional information from the demodulated broadcast signal; Identify an application composed of multimedia data among the data included in the additional information output from the broadcasting receiver, divide a screen to correspond to the number of the identified applications, and display the identified applications on the divided screen, respectively; It can be achieved by a broadcast signal receiving apparatus comprising a control unit for controlling the image signal processing unit.

The display apparatus may further include a user input unit for selecting a display of an application list listing each identification item corresponding to each of the applications, and selecting the identification item from the application list, wherein the controller is configured to execute the application through the user input unit. When the display of the list is selected, the application list is generated and displayed based on the identified application, and when at least one identification item is selected through the user input unit in the displayed application list, the screen corresponds to the number of the selected identification items. And control the video signal processor to display respective applications corresponding to the selected identification item on the divided screen.

Here, the user input unit includes a selection unit for selecting to display an application corresponding to the selected identification item on any one of the divided screens, and the controller is configured to select any one of the selected identification items through the user input unit. When an identification item is selected, a sub-menu for selecting to display an application corresponding to the selected one identification item on any one of the divided screens is generated and displayed, and the divided screen is displayed through the selection unit in the displayed sub-menu. If any one of them is selected, the image signal processor controls the image signal processor to display an application corresponding to the selected one identification item on the selected one divided screen.

Here, the submenu includes a full screen item for selecting an application corresponding to the selected one identification item to be displayed on a full screen, and the control unit selects the full screen item through the selection unit from the displayed sub menu. In this case, the image signal processing unit is controlled to display an application corresponding to the selected one identification item on the full screen.

The broadcast receiver may include at least one tuner for receiving terrestrial data broadcasting.

Hereinafter, a broadcast signal receiving apparatus according to a preferred embodiment of the present invention will be described with reference to FIG. 1. As shown in FIG. 1, the apparatus for receiving broadcast signals according to the present invention includes a display unit 10, an image signal processor 20, a broadcast receiver 30, a user input unit 40, and a controller 50.

The display unit 10 displays the image signal converted by the image signal processing unit 20 on the screen. The display unit 100 may be provided in any one of a color ray tube (CRT), a liquid crystal display (LCD), a plasma display panel (PDP), and may be provided in another display method in which an image is displayed. have.

The image signal processing unit 20 controls an application list listing each identification item corresponding to each application under the control of the controller 50, a submenu for selecting each application to be displayed on one of the divided screens, and displaying each application. The screen is generated and processed to be displayed on the display unit 10. The image signal processor 20 may include an OSD generator 21 and a video processor 22.

The OSD generator 21 generates a video signal for an application list, a submenu, and a display screen of an application based on data of an application output from the controller 50 under the control of the controller 50. 22).

The video processor 22 decodes an image signal input from the OSD generator 21 and the demultiplexer 33 to be described later and outputs the image signal to the display unit 10. The video processor 22 is an A / D converter for converting an input video signal into digital R, G, and B signals and a digital luminance signal, and the display unit by scaling the digital signal input from the A / D converter. It may include a scaler for adjusting the resolution, aspect ratio, brightness, sharpness, etc. to meet the output standard of (10). In addition, video processor 22 may include an MPEG-2 decoder.

For example, referring to FIG. 3, the image signal processor 20 may control the application list 11, the submenus 12a and 12b as shown in FIG. 3 under the control of the controller 50. The display screens 10D-1, 10D-2, and 10D-3 of the application are processed to be displayed on the display unit 10. FIG.

The broadcast receiver 30 receives and demodulates a broadcast signal including additional information, extracts the additional information from the demodulated broadcast signal, and outputs the additional information to the controller 50. Here, the broadcast receiver 30 may include a tuner 31, a demodulator 32, and a demultiplexer 33.

The tuner 31 tunes a broadcast signal including the received additional information. The broadcast signal is received via an antenna or via a cable network. Here, the broadcast signal received through the antenna includes the terrestrial data broadcast signal of the ATSC-ACAP standard and the satellite data broadcast signal of the DVB-MHP standard, and the broadcast signal received through the cable network is the cable data broadcast of the CableLabs-OCAP standard. Contains a signal.

The demodulator 32 demodulates the broadcast signal tuned through the tuner 31 into a digital signal. Here, the demodulated digital signal may be provided as a multiplexed transport stream including audio, video, and additional information.

The demultiplexer 33 extracts additional information from the digital signal demodulated by the demodulator 32 and outputs the additional information to the controller 50.

The user input unit 40 is provided to select a display of an application list, is provided to select an identification item from the application list, and a selection unit for selecting to display an application corresponding to the selected identification item on one of the divided screens (not shown) City).

For example, referring to the bar shown in FIG. 3, the user input unit 40 selects the display of the application list 11 shown in FIG. 3 and displays the identification shown in FIG. 3 displayed in the application list 11. It is provided to select at least one of the items 11a-1 and 11a-2. In addition, the user input unit 40 may select to display an application corresponding to the selected identification items 11a-1 and 11a-2 on any one of the divided screens 10D-1 and 10D-2 shown in FIG. 3. It includes a selection unit (not shown) for.

The user input unit 40 may include a remote controller and a wireless receiver that outputs a corresponding key input signal to the controller 50 when a wireless signal is received from the remote controller.

The controller 50 identifies an application composed of multimedia data among data included in the additional information output from the broadcast receiver 30, and controls the image signal processor 20 to divide a screen to correspond to the number of identified applications. The video signal processor 20 is controlled to display the identified applications on the divided screens.

In addition, when the display of the application list is selected through the user input unit 40, the controller 50 controls the image signal processing unit 20 to generate and display an application list based on the identified application.

When the identification item is selected through the user input unit in the displayed application list, the controller 50 divides the screen to correspond to the number of the selected identification items, and displays an application corresponding to the selected identification item on the divided screen. 20).

For example, referring to FIG. 3, when the display of the application list 11 shown in FIG. 3 is selected through the user input unit 40, the controller 50 determines an application based on the identified application. The image signal processor 20 is controlled to generate and display the list 11.

When the identification items 11a-1 and 11a-2 shown in FIG. 3 are selected through the user input unit 40 in the displayed application list 11, the controller 50 displays the divided screen 10D-shown in FIG. 3. As shown in 1 and 10D-2, the screen is divided so as to correspond to the number of selected identification items 11a-1 and 11a-2, and the selected identification items 11a- are divided into the screens 10D-1 and 10D-2. The image signal processor 20 is controlled to display the applications corresponding to 1 and 11a-2, respectively.

In addition, the controller 50 generates a submenu for selecting to display an application corresponding to the selected identification item on any one of the divided screens when one identification item is selected through the user input unit 40 in the selected identification item. The image signal processing unit 20 is controlled to display.

If one of the submenus is selected through a selection unit (not shown) included in the user input unit 40 in the displayed submenu, the controller 50 may divide an application corresponding to one of the submenus into an application corresponding to the selected identification item. The image signal processor 20 is controlled to display on the screen.

Hereinafter, the control unit 50 described above will be described with reference to three embodiments with reference to the bar shown in FIG. 3.

First, the control unit 50 selects the selected identification item 11b when one identification item 11b-1 shown in FIG. 3 is selected through the user input unit 40 in the selected identification items 11a-1 and 11a-2. The image signal processing unit 20 generates and displays the submenu 12a shown in FIG. 3 for selecting an application corresponding to the sub--1) on one of the divided screens 10D-1 and 10D-2. To control.

The controller 50 selects the selected item 11b-1 when one of the submenus 12a is selected through the selection unit (not shown) included in the user input unit 40 in the displayed submenu 12a. ), The image signal processing unit 20 is controlled to display the application corresponding to) on the divided screen 10D-1 corresponding to one of the sub-menus 12a (12a-1).

Second, the controller 50 divides the application corresponding to the selected identification item 11c-1 when one identification item 11c-1 shown in FIG. 3 is selected through the user input unit 40 from the selected identification item. The image signal processing unit 20 is controlled to generate and display the submenu 12b shown in FIG. 3 for selecting one of the displayed screens 10D-1 and 10D-2.

The control unit 50 selects the selected identification item 11c-1 when one of the submenus 12b 12b-1 is selected through a selection unit (not shown) included in the user input unit 40 in the displayed submenu 12b. ), The image signal processing unit 20 is controlled to display an application corresponding to) on the divided screen 10D-2 corresponding to one 12b-1 of the submenu 12b.

Third, the controller 50 corresponds to the selected identification item 11b-1 when one identification item 11b-1 is selected through the user input unit 40 in the selected identification items 11a-1 and 11a-2. The image signal processor 20 is controlled to generate and display a submenu 12a for selecting an application to be displayed on any one of the divided screens 10D-1 and 10D-2.

The controller 50 detects that one of the submenus 12a is selected through the selection unit (not shown) included in the user input unit 40 in the displayed submenu 12a.

The controller 50 corresponds to the selected identification item 11c-1 when one identification item 11c-1 is selected through the user input unit 40 in the selected identification items 11a-1 and 11a-2. The image signal processor 20 is controlled to generate and display a submenu 12b for selecting an application to be displayed on any one of the divided screens 10D-1 and 10D-2.

The controller 50 detects that one of the submenus 12b is selected through the selection unit (not shown) included in the user input unit 40 in the displayed submenu 12b.

The controller 50 displays the application corresponding to the selected identification item 11b-1 on the divided screen 10D-1 corresponding to one of the detected submenus 12a, 12a-1, and selects the application. The image signal processor 20 is controlled to display an application corresponding to the identification item 11c-1 on the divided screen 10D-2 corresponding to one of the detected submenus 12b-1.

In addition, when one identification item is selected through the user input unit 40 in the selected identification item, the controller 50 includes a sub-menu including a full screen item for selecting an application corresponding to the selected identification item to be displayed in full screen. The image signal processing unit 20 is controlled to generate and display.

If a full screen item is selected from the submenus through a selection unit (not shown) included in the user input unit 40 in the displayed submenu, the control unit 50 corresponds to an application corresponding to the selected identification item. The image signal processing unit 20 is controlled to display on the full screen.

For example, referring to FIG. 3, the control unit 50 uses one of the identification items 11d illustrated in FIG. 3 through the user input unit 40 in the selected identification items 11a-1 and 11a-2. If -1) is selected, the submenu 12c shown in FIG. 3 is generated to select to display an application corresponding to the selected identification item 11d-1 on the full screen 10D-3 shown in FIG. The image signal processing unit 20 is controlled to display.

The control unit 50 selects the selected item when one of the submenus 12c shown in FIG. 3 is selected through the selection unit (not shown) included in the user input unit 40 in the submenu 12c. The image signal processing unit 20 is controlled to display an application corresponding to 11d-1 on the entire screen 10D-3 shown in FIG. 3 corresponding to one 12c-1 of the submenu 12c.

Here, the controller 50 may include an additional information analysis module 51 and an OSD module 52.

The additional information analysis module 51 is a software module that is executed by the control unit, receives and parses additional information output from the broadcast receiving unit 30, and analyzes the parsed additional information to identify an application included in the additional information. .

The OSD module 52 is executed by the controller, and the video signal processor 20 displays an application list, a submenu, and an application on the display unit 10 based on the application identified by the side information analysis module 51. It is a software module to control.

Hereinafter, a control procedure for displaying a plurality of applications according to the present invention will be described with reference to FIGS. 2 and 3.

First, the controller 50 receives and parses additional information output from the demultiplexer 33 (S10).

Next, the controller 50 analyzes the additional information parsed in step S10 (S20).

Next, the controller 50 identifies the application included in the additional information analyzed in step S20 (S30).

Next, the controller 50 determines whether the display of the application list 11 shown in FIG. 3 is selected through the user input unit 40 (S40).

If it is determined that the display of the application list 11 is selected, the controller 50 controls the image signal processing unit 20 to generate and display the application list 11 based on the application identified in step S30 (S50).

On the other hand, if it is determined in step S40 that the display of the application list 11 is not selected, the controller 50 ends the present control procedure.

Next, the controller 50 detects whether the identification items 11a-1 and 11a-2 of the application shown in FIG. 3 are selected through the user input unit 40 in the application list 11 displayed in step S50 ( S60). Here, the controller 50 detects two identification items 11a-1 and 11a-2.

Next, the controller 50 of the identification items (11a-1, 11a-2) of the application detected in step S60 through the user input unit 40, one of the identification items (11b-1, 11c-1) shown in FIG. In step S70, it is determined whether the display of the submenus 12a and 12b shown in FIG. 3 is selected.

If it is determined that the display of the submenu 12a for one identification item 11b-1 is selected, the controller 50 generates and displays the submenu 12a for one identification item 11b-1. One of the submenus 12a shown in FIG. 3 is controlled by the image signal processor 20 and selected through a selection unit (not shown) included in the user input unit 40 in the displayed submenu 12a. Detects that is selected (S80).

Next, the controller 50 shows one of the identification items 11c-1 shown in FIG. 3 through the user input unit 40 among the identification items 11a-1 and 11a-2 of the application detected in step S60. It is determined whether the display of the submenu 12b shown in 3 is selected (S90).

If it is determined that the display of the submenu 12b for one of the identification items 11c-1 is selected, the controller 50 returns to step S80. That is, the image signal processing unit 20 is controlled to generate and display the submenu 12b, and the selection unit (not shown) included in the user input unit 40 in the displayed submenu 12b is illustrated in FIG. 3. It is detected that one of the submenus 12b 12b-1 is selected (S80).

On the other hand, if it is determined in step S90 that the display of the submenu 12b for one identification item 11c-1 is not selected, the controller 50 determines the identification items 11a-1 and 11a- detected in step S60. The divided screens 10D-1 and 10D- shown in FIG. 3 respectively corresponding to ones 12a-1 and 12b-1 of the submenus 12a and 12b detected in operation S80, respectively, corresponding to 2). The image signal processing unit is controlled to display 2) (S100).

In contrast, when it is determined in step S70 that the display of the submenus 12a and 12b shown in FIG. 3 for one of the identification items 11b-1 and 11c-1 is not selected through the user input unit 40, The controller 50 divides the screen to correspond to the number of the identification items 11a-1 and 11a-2 detected in operation S60, and identifies the identification items 11a-1 on the divided screens 10D-1 and 10D-2. In operation S110, the image signal processing unit 20 is controlled to display applications corresponding to each of the operations 11a-2.

As described above, the present invention divides a screen corresponding to a plurality of applications included in additional information to display each application on a divided screen, and in displaying a plurality of applications, an OSD menu for a user to arbitrarily select a configuration of a screen. It has the features to provide it.

Although some embodiments of the invention have been shown and described, it will be apparent to those skilled in the art that modifications may be made to the embodiment without departing from the spirit or spirit of the invention. . It is intended that the scope of the invention be defined by the claims appended hereto and their equivalents.

As described above, according to the present invention, by dividing the screen corresponding to a plurality of applications included in the additional information, and displaying each application on the divided screen, broadcasting that can display each application in parallel on one screen. A signal receiver is provided.

In particular, in displaying a plurality of applications, a broadcast signal receiving apparatus capable of providing an OSD menu for a user to arbitrarily select a configuration of a screen is provided.

Claims (5)

In the broadcast signal receiving apparatus including a display unit, An image signal processor for processing to display an image on the display unit; A broadcast receiver which receives and demodulates a broadcast signal including additional information, and extracts and outputs the additional information from the demodulated broadcast signal; Identify an application composed of multimedia data among the data included in the additional information output from the broadcasting receiver, divide a screen to correspond to the number of the identified applications, and display the identified applications on the divided screen, respectively; And a control unit for controlling the image signal processing unit. The method of claim 1, Selecting a display of an application list listing each identification item corresponding to each application, and further comprising a user input unit for selecting the identification item from the application list, If the display of the application list is selected through the user input unit, the controller generates and displays the application list based on the identified application, and at least one identification item is selected through the user input unit in the displayed application list. And splitting the screen to correspond to the number of the selected identification items and controlling the video signal processor to display the applications corresponding to the selected identification items on the divided screens, respectively. The method of claim 2, The user input unit includes a selection unit for selecting to display an application corresponding to the selected identification item on any one of the divided screens, The control unit generates a submenu for selecting an application corresponding to the selected one identification item on any one of the divided screens when any one identification item is selected through the user input unit in the selected identification item. And control the image signal processing unit to display an application corresponding to the selected one identification item on the selected one divided screen when any one of the divided screens is selected through the selection unit in the displayed submenu. Broadcast signal receiving apparatus, characterized in that. The method of claim 3, The submenu includes a full screen item for selecting an application corresponding to the selected one identification item to be displayed in full screen, The controller controls the image signal processor to display an application corresponding to the selected one identification item on the full screen when the full screen item is selected through the selection unit in the displayed submenu. Device. The method according to any one of claims 1 to 4, And the broadcast receiver comprises at least one tuner for receiving terrestrial data broadcasting.

Images