KR100725389B1 - Digital broadcasting receiving deivce and broadcasting serching method using digital broadcasting receiving device - Google Patents

Abstract

The present invention relates to a digital broadcast receiver and a broadcast program search method using the same, and more particularly, to a digital broadcast receiver and a broadcast program search method using the same. It is about.

In accordance with another aspect of the present invention, a digital broadcast receiving apparatus includes a separating unit that separates a video signal, an audio signal, and program information from a broadcast signal, a decoder that decodes the separated video signal and an audio signal, and the separated program information. And a controller for dividing the data into predetermined fields and outputting predetermined program information among the divided programs to be overlaid on the decoded video signal.

Digital Broadcasting, EPG

Description

Digital broadcasting receiving device and broadcasting program retrieval method using same {{Digital broadcasting receiving deivce and broadcasting serching method using digital broadcasting receiving device}

1 is a diagram illustrating program information displayed by being overlaid on a broadcast program screen according to the related art.

2 is a diagram illustrating a screen of a broadcast program whose size is changed in accordance with program information displayed according to the related art.

3 is a diagram illustrating a digital broadcast reception device according to an embodiment of the present invention.

4 is a diagram illustrating a broadcast program search method using a digital broadcast reception device according to an embodiment of the present invention.

5 is a diagram showing program information according to the first embodiment of the present invention;

6 is a diagram showing program information according to a second embodiment of the present invention.

7 is a diagram showing program information according to a third embodiment of the present invention.

<Explanation of symbols on main parts of the drawings>

110: user input unit 120: receiving unit

130: control unit 140: output unit

The present invention relates to a broadcast program search method using a digital broadcast receiver, and more particularly, to a digital broadcast receiver and a broadcast program search method using the same. It is about.

In general, analog TV broadcasting such as National Television System Committee (NTSC) TV can transmit only one broadcasting program on one channel. In other words, one frequency band is allocated to one channel, and only one broadcast program can be broadcast in the allocated frequency band.

In contrast, digital TV broadcasting such as HDTV (High Definition Television), etc., multiplexes and transmits broadcast programs corresponding to a plurality of channels on one bit stream, and broadcasts corresponding to a channel that a user wants to watch in the transmitted bit stream. Separate the program, decode it, and display it on the TV screen. Therefore, in digital TV broadcasting, a variable number of broadcast programs can be transmitted in a predetermined frequency band, and thus, there is a need to provide a broadcast program guide so that a user can select a desired broadcast program among various broadcast programs.

Accordingly, a digital broadcast receiving apparatus capable of receiving digital TV broadcasts is provided with a Program System Information Protocol (PSIP) standard to receive an electric program guide (EPG) for a broadcast program. For example, EPG in the US Digital Broadcasting Standard Advanced Television Standard Committee (ATSC) / PSIP standard mainly includes program information such as program name, start time, content summary, and rating of a broadcast program.

As such, when the broadcast station transmits the program information as described above for the video and audio signals and the broadcast program to be broadcast for a predetermined period, the digital broadcast receiving apparatus processes and stores the program information to provide the user in various forms. .

In addition, the digital broadcast reception apparatus provides program information through a predetermined graphical user interface, and the user identifies a broadcast program to be broadcast through the provided graphical user interface to obtain information about a desired broadcast program.

1 is a diagram illustrating program information displayed through a graphic user interface according to the related art.

As shown, the program information 10 according to the related art has a channel axis and a time axis, and program information about a corresponding broadcast program is displayed in a cell formed by each channel and time. In this case, when the user is watching a predetermined broadcast program, the graphical user interface is output by being overlaid on the screen 20 of the broadcast program that the user watches. In this case, at least one or more of the aforementioned program information is displayed in the program information displayed in the cell.

Meanwhile, in order to prevent a part of the screen of the broadcast program viewed by the user due to the outputted program information, as shown in FIG. 2, the broadcast program screen 40 depends on the size of the output program information 30. Change the size of the to output. In addition, when the user selects the program information for the predetermined broadcast program in the output graphical user interface, the detailed information 50 for the broadcast program is output.

In this case, when the user searches for the broadcast program through the graphic user interface, the screen of the broadcast program to be viewed may be hidden or the size may be reduced due to the output graphic user interface. Accordingly, there is a demand for a method for searching for a desired broadcast program while preserving a broadcast program screen viewed by the user.

SUMMARY OF THE INVENTION An object of the present invention is to provide a digital broadcast receiving apparatus capable of easily searching for a broadcast program without causing inconvenience to a broadcast program viewed by a user and a program search method using the same.

The object of the present invention is not limited to the above-mentioned object, and other objects which are not mentioned will be clearly understood by those skilled in the art from the following description.

In order to achieve the above object, a digital broadcast receiving apparatus according to an embodiment of the present invention, a separation unit for separating the video signal, audio signal and program information from the broadcast signal, and a decoder for decoding the separated video signal and audio signal And a controller for dividing the separated program information into predetermined fields, and outputting the predetermined program information among the separated programs by overlaying the decoded video signal.

In addition, in order to achieve the above object, a broadcast program search method using a digital broadcast receiving apparatus according to an embodiment of the present invention, the step of separating the video signal, audio signal and program information from the broadcast signal, the separated video signal And decoding the audio signal, dividing the separated program information by a predetermined field, and overlaying and outputting predetermined program information among the divided program information on the decoded video signal.

Specific details of other embodiments are included in the detailed description and the drawings.

Advantages and features of the present invention and methods for achieving them will be apparent with reference to the embodiments described below in detail with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but can be implemented in various different forms, and only the embodiments make the disclosure of the present invention complete, and the general knowledge in the art to which the present invention belongs. It is provided to fully inform the person having the scope of the invention, which is defined only by the scope of the claims. Like reference numerals refer to like elements throughout.

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

3 is a diagram illustrating a digital broadcast receiving apparatus applied to an embodiment of the present invention.

As shown, the digital broadcast receiving apparatus 100 includes a user input unit 110 to which a user's selection value is input, a receiver 120 receiving a predetermined broadcast signal, and a broadcast program and a program according to the received broadcast signal. The controller 130 may output the information through the output unit 140.

The user input unit 110 may include devices such as a plurality of buttons or a remote controller installed outside the digital broadcast receiving apparatus 100 according to an embodiment of the present invention, but is not limited thereto. In the embodiment of the present invention, a case in which the remote controller is used as the user input unit 110 will be described by way of example.

The receiver 120 includes a tuner 121 that receives a predetermined broadcast signal, a separator 122 that separates a video signal, an audio signal, and a data signal from the received broadcast signal, and decodes the separated video signal and the audio signal. The decoder 123 may include a decoder 124, a parser 124 that parses the separated data signal, and a data storage 125 that stores the parsed data signal.

The controller 130 may output the decoded video signal and the audio signal to the output unit 140. When the user requests program information, the controller 130 extracts program information from the data signal stored in the data storage unit 125 and outputs the program unit 140. Can be output via In this case, the output unit 140 may include a video output unit 141 for outputting the decoded video signal and an audio output unit 142 for outputting the decoded audio signal. Accordingly, the controller 130 may output the extracted program information through the video output unit 141 using a predetermined graphic user interface.

In addition, the controller 130 may classify the extracted program information for each predetermined field and output predetermined program information among the divided program information. For example, when the extracted program information is divided into a channel field and a time field, and the program information is displayed in a cell formed by each channel and time, the controller 130 may classify the program information according to the channel field. have.

In this case, the controller 130 may output predetermined program information among the divided program information for each channel to a predetermined position of the video output unit 141 where the decoded video signal is output. In addition, when the user requests a channel change through the user input unit 110, the output program information may be changed to program information according to the requested channel. Therefore, when a user watches a predetermined broadcast program through the video output unit 141, the part which is covered by the program information can be minimized.

In the exemplary embodiment of the present invention, the case in which the control unit 130 divides the program information by channel fields is described as an example, but the present invention is not limited thereto and may be classified by each field included in the received program information. For example, when the received broadcast program information includes a channel field and a time field, the controller 130 may classify the channel field or the time field.

Hereinafter, a broadcast program searching method using a digital broadcast receiver according to an embodiment of the present invention will be described.

4 is a diagram illustrating a broadcast program search method using a digital broadcast reception device according to an embodiment of the present invention.

As shown, when a broadcast signal is first received through the tuner 121, the received broadcast signal is separated into a video signal, an audio signal, and a data signal by the separating unit 122 (S110).

In this case, the separated video signal and the audio signal are decoded by the decoder 123, and the separated data signal is parsed by the parser 124 (S120). In addition, the parsed data signal may be stored in the data storage 125 to extract a program from the stored data signal when a user requests program information.

The controller 130 outputs the decoded video signal and the audio signal through the output unit 140 (S130). In detail, the decoded video signal is output to the video output unit 141 and the decoded audio signal is output to the audio output unit 142.

In this case, the controller 130 determines whether the user requests program information through the user input unit 110 (S140).

As a result of the determination, when the user requests the program information, the controller 130 extracts the program information from the data signal stored in the data storage unit 125 (S150).

In addition, the controller 130 classifies the extracted program information for each predetermined field (S160). In this case, the controller 130 classifies the program information based on a predetermined field among fields (for example, a channel field and a time field) included in the extracted program information. In the exemplary embodiment of the present invention, a case in which the controller 130 divides the extracted program information for each channel based on the channel field will be described.

The controller 130 outputs predetermined program information among the divided program information through the video output unit 141 (S170).

5 shows program information according to the first embodiment of the present invention.

As illustrated, program information 220 classified for each predetermined field may be output by the controller 130 to a predetermined position of the screen 210 of the broadcast program output through the video output unit 141. The program information 220 of FIG. 5 is program information divided by channels, and the user broadcasts only the minimum information (for example, a broadcast program name) that allows the user to recognize program information divided by channels. Even when program information is requested to search for a broadcast program while watching a program, a portion of the broadcast program screen that is blocked by the requested program information can be minimized.

6 shows program information according to a second embodiment of the present invention.

As illustrated, the program information 220 of FIG. 6 is an example of program information of a broadcast program according to the changed channel when the user changes a channel in FIG. 5.

5 and 6 described above, the program information is divided into predetermined fields so that the program information output to the video output unit 141 covers the broadcast program screen, and the programs are output according to the divided fields. The user can search for a desired broadcast program without interrupting viewing of the broadcast program.

In addition, when the user wants to check detailed information about a predetermined broadcast program among the above-described program information of FIGS. 5 and 6, the user highlights the program information of the corresponding broadcast program through the direction key of the user input unit 110. When the predetermined button is operated, detailed information about the corresponding broadcast program can be checked.

In detail, as illustrated in FIG. 7, when the user selects program information about a broadcast program for which the user wants to check detailed information through the direction key of the user input unit 110, the selected program information may be highlighted. In this case, when the user manipulates a predetermined button in the user input unit 110, detailed information about the selected program information may be output through a separate pop-up window 230. In the exemplary embodiment of the present invention, the detailed information is output through a separate pop-up window, for example. However, the present invention is not limited thereto and may be output in various forms such as a speech bubble.

As described above, the digital broadcasting receiver and the broadcast program searching method using the same according to the present invention have been described with reference to the illustrated drawings. However, the present invention is not limited by the embodiments and the drawings disclosed in the present specification. Of course, various modifications may be made by those skilled in the art within the scope.

According to the digital broadcasting receiver and the broadcast program searching method using the same as described above, the part of the screen of the broadcast program being viewed by the user is minimized by the program information, so that the broadcast program can be easily identified. There is an effect that the convenience of the user can be improved.

Claims (5)

A separation unit for separating the video signal, the audio signal and the program information from the broadcast signal; A decoder for decoding the separated video and audio signals; And And a controller for dividing the separated program information by a channel or a time field and overlaying program information on one of the divided channels on the decoded video signal, and outputting the output channel to another channel. Digital broadcast receiver which can be changed. delete The method of claim 1, And the control unit outputs detailed information of a broadcast program corresponding to selected program information among the outputted program information. Separating the video signal, the audio signal and the program information from the broadcast signal; Decoding the separated video and audio signals; And Dividing the separated program information by a channel or a time field, and outputting program information on one of the divided channels by overlaying the decoded video signal on the decoded video signal. Broadcast program search method using a digital broadcast receiving apparatus that can be changed. The method of claim 4, wherein The outputting of the program information may include outputting detailed information of a broadcast program corresponding to selected program information among the outputted program information.

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