KR20080028622A - A device for broadcasting and method for providing broadcasting superimposed title in thereof - Google Patents

Abstract

A broadcasting terminal and a broadcasting subtitle providing method therefor are provided to store only a broadcasting subtitle without storing the entire broadcasting signal, thereby enabling a user to review a desired broadcasting subtitle and view the subtitle of the other broadcasting company on a currently viewing screen simultaneously. A broadcasting receiving unit(110) receives a broadcasting signal. A memory(130) stores character data included in the received broadcasting signal. A display unit reproduces the received broadcasting signal. A control unit(160) displays the stored character data on the broadcasting signal reproduction screen of the display unit according to the input of a predetermined key signal when the broadcasting signal received by the broadcasting receiving unit is reproduced.

Description

A terminal for broadcasting and a method for providing a broadcast subtitle for the same {A device for broadcasting and Method for providing broadcasting superimposed title in

1 is a block diagram showing an embodiment of a broadcasting terminal according to the present invention.

2 is a flowchart illustrating a process of storing a broadcast caption during broadcast reproduction of a broadcast terminal according to the present invention.

3 is a flowchart illustrating a process of displaying a broadcasting subtitle of a broadcasting terminal according to the present invention.

4A to 4F are exemplary views illustrating screens of a broadcast caption display process of a broadcast terminal according to the present invention.

5 is a flowchart illustrating another embodiment of a broadcast caption search and display process of a broadcast terminal according to the present invention.

<Description of Major Symbols in Drawing>

110: broadcast receiving unit 120: input unit

130: memory 140: audio unit

150 display unit 160 control unit

The present invention relates to a broadcast terminal for receiving digital broadcasts, and more particularly, to a broadcast terminal for providing a broadcast caption of the digital broadcast at the time of digital broadcast reproduction and a broadcast caption providing method therefor.

Recently, due to the rapid development of communication and broadcasting technologies and the convergence of the communication and broadcasting fields, a service for conveniently watching digital broadcasting on the go has been provided. Based on the digital broadcasting technology, the newly emerged mobile multimedia broadcasting service is a mobile broadcasting service of audio, video, and data capable of receiving CD-quality high quality radio, TV video, and text broadcasting anytime, anywhere.

Digital broadcasting services currently being used in digital broadcasting are divided into terrestrial digital multimedia broadcasting (TDMB) service and satellite digital multimedia broadcasting (SDMB) service according to transmission method and network configuration.

In addition, the digital broadcasting service system in the world is different, for example, digital audio broadcasting (DAB), in-band on-channel (IBC), ISDB-T, DVB-T, DVB-H, etc. In preparation

The broadcast terminal capable of receiving the digital broadcast separates the broadcast caption and the video and audio signals from the broadcast signal received from the broadcast center, and decodes the separated broadcast caption and the video and audio signals to reproduce the broadcast.

However, when a user performs a different job or is away from a broadcast including the broadcast subtitles as described above, there is a problem in that the broadcast subtitles displayed during that time cannot be viewed again and the user must watch the broadcast again.

An object of the present invention, by storing only the broadcast subtitles in the broadcast signal, by displaying the stored broadcast subtitles on the screen of the broadcast playback, the broadcast terminal that the user can see again the broadcast subtitles that he did not recognize while watching the broadcast and the same The purpose of the present invention is to provide a broadcasting subtitle providing method.

Still another object of the present invention is to display a subtitle that a user wants to watch while watching a broadcast by displaying a broadcast subtitle including the search word among the pre-stored broadcast subtitles on the broadcast play screen by using a search word during broadcast play. An object of the present invention is to provide a broadcasting terminal and a method for providing a broadcasting caption for the same.

Broadcast terminal according to an embodiment of the present invention for achieving the above object, the broadcast receiving unit for receiving a broadcast signal; A memory for storing text data included in the received broadcast signal; A display unit which reproduces the received broadcast signal; And a controller for displaying the stored character data on the broadcast signal reproduction screen of the display unit according to a predetermined key signal input when the broadcast signal received by the broadcast receiver is reproduced.

Preferably, the controller extracts text data by decoding the received broadcast signal through the broadcast receiver, converts the extracted text data into a file of a predetermined format, and stores the text data in the memory.

The controller stops displaying the original broadcast subtitle of the received broadcast signal according to the key signal input and displays the stored text data on the playback screen.

The controller may display the original broadcast caption of the broadcast signal and the stored text data together on the playback screen according to the key signal input.

According to an embodiment of the present invention, there is provided a broadcast subtitle providing method of a broadcasting terminal, comprising: receiving a broadcast signal; Storing text data included in the received broadcast signal; And displaying the stored text data on a reproduction screen of the broadcast signal according to a predetermined key signal input when playing the received broadcast signal.

Preferably, the storing step comprises the steps of: extracting text data by decoding the received broadcast signal; And converting the extracted text data into a file of a predetermined format and storing the extracted text data.

In addition, the displaying step is to stop displaying the original broadcast subtitle of the broadcast signal, and to display the stored text data.

In the displaying step, the original broadcast subtitle of the broadcast signal and the stored text data are displayed together.

Broadcasting terminal according to another embodiment of the present invention, a broadcast receiving unit for receiving a broadcast signal; A display unit which reproduces the received broadcast signal; A memory in which a plurality of broadcast captions are stored; A control unit for displaying a broadcast subtitle including the entered search word among the broadcast subtitles stored in a memory on a playback screen of the broadcast signal when a search term for a broadcast subtitle is input when playing the broadcast signal received by the broadcast receiver; It is made to include.

In addition, the method for providing a broadcast subtitle of a broadcasting terminal according to another embodiment of the present invention, the step of receiving a search word for the search for broadcast subtitles when the broadcast signal is reproduced; Checking whether a broadcast subtitle including the input search word exists among previously stored broadcast subtitles; And displaying the inspected broadcast subtitle on the reproduction screen of the broadcast signal according to the test result.

Hereinafter, the broadcast terminal and the method for providing broadcast subtitles according to the present invention may be applied to various digital broadcasting standards.

Examples of digital broadcast standards include European Digital Audio Broadcasting (DAB) and Digital Video Broadcasting-Handheld (DVB-H) based on Eureka-147 [ETSI EN 300 401]. '), MediaFLO, which is led by Qualcomm in the US, and Digital Multimedia Broadcasting (DMB) in Korea. The Korean DMB is classified into terrestrial DMB and satellite DMB.

Detailed description of each digital broadcasting standard will be omitted.

In addition, the broadcasting terminal according to the present invention refers to a terminal capable of receiving various types of digital broadcasting such as a PDA, a PMP, a mobile phone, a smart phone, a digital TV, and a game machine.

Hereinafter, a broadcasting terminal and a broadcasting subtitle providing method for the same according to the present invention will be described based on the terrestrial DMB broadcasting. Of course, the present invention is not necessarily limited to terrestrial DMB.

The above objects, features and advantages will become more apparent from the following detailed description taken in conjunction with the accompanying drawings. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram showing an embodiment of a broadcasting terminal according to the present invention.

Referring to FIG. 1, the broadcast receiver 110 receives a broadcast signal including a broadcast subtitle from a broadcasting center, demultiplexes the broadcast subtitle into a broadcast subtitle, a video and an audio signal, and decodes the same.

The input unit 120 is a user interface and includes a plurality of numeric keys and function keys, and outputs key signals for the keys to the controller 160. Preferably, the key input unit 120 may be formed in the form of a touch pad or a touch screen according to the configuration of the broadcast terminal.

The memory 130 stores a predetermined program for controlling the overall operation of the broadcasting terminal and various data input and output when the control operation of the broadcasting terminal is performed. In addition, according to an embodiment of the present invention, the broadcast caption decoded by the broadcast receiver 110 is stored in a file format.

The audio unit 140 converts the sound signal decoded by the broadcast receiving unit 110 under the control of the controller 160 and outputs it in an audible state.

The display unit 150 receives and displays display data corresponding to a key signal from the input unit 120 under the control of the controller 160, and displays the operation state of the broadcasting terminal and a plurality of information in the form of icons and characters. In addition, the broadcast caption and the video signal decoded by the broadcast receiver 110 are displayed on the screen.

The controller 160 controls the overall operation of the broadcast terminal and will now be described in detail a broadcast subtitle providing process according to an embodiment of the present invention.

<First Embodiment>

2 is a flowchart illustrating a process of storing a broadcast caption during broadcast reproduction of a broadcast terminal according to the present invention.

Referring to FIG. 2, the controller 160 receives a broadcast signal including a broadcast subtitle from the broadcast center through the broadcast receiver 110 (S201).

The controller 160 demultiplexes the broadcast signal received through the broadcast receiver 110 into a broadcast subtitle, an image and an audio signal (S202), and decodes (S203).

The controller 160 outputs the decoded broadcast caption and the image to the display unit 150 to display on the screen, and outputs the decoded sound signal to the audio unit 140 to reproduce the broadcast (S204).

If a key signal for storing the broadcast caption of the broadcast being played is input from the input unit 120 during the broadcast reproduction (S205), the controller 160 generates a broadcast caption from the broadcast signal received through the broadcast receiver 110. The extracted broadcast subtitles are stored in the memory 130 in a predetermined file format (S206).

3 is a flowchart illustrating a process of displaying a broadcasting subtitle of a broadcasting terminal according to the present invention.

Referring to FIG. 3, the controller 160 receives a broadcast signal from a broadcast center through the broadcast receiver 110 (S301), demultiplexes and decodes the received broadcast signal and reproduces it (S302).

If a key signal for displaying the broadcast subtitle stored in the broadcast playback screen by the process of FIG. 2 is input from the input unit 120 during the broadcast playback (S303), the controller 160 stores the stored video on the broadcast playback screen. The broadcast subtitle is displayed (S304).

In this case, if there are a plurality of stored broadcast subtitles, the controller 160 lists them and displays them on the screen of the display unit 150, and when the user selects any one through the input unit 120, the selected broadcast subtitles are displayed. Can be.

In addition, if a broadcast caption is displayed on the broadcast playback screen, the controller 160 may stop displaying the displayed broadcast caption and display the stored broadcast caption on the caption display area of the broadcast playback screen.

In addition, the controller 160 may display the displayed broadcast caption and the stored broadcast caption together in the caption display area of the broadcast playback screen.

When displaying the subtitles of the currently reproduced broadcast together with the stored broadcast subtitles, the subtitle display area of the broadcast reproduction screen is divided into first and second areas, and the currently reproduced broadcast is displayed in each of the divided areas. It is preferable to display the subtitles and the stored broadcasting subtitles.

4A to 4F are exemplary views illustrating screens of a broadcast caption display process of a broadcast terminal according to the present invention.

4A to 4F, when a key signal for storing a broadcast subtitle is input while reproducing a broadcast signal through a broadcast channel (FIG. 4A), the broadcast terminal stores the broadcast subtitle being reproduced (FIG. 4B).

When the broadcast terminal receives a key signal for completing the storage of the broadcasting subtitle from the user, the broadcasting terminal completes the storing of the broadcasting subtitle [FIG. 4C].

Subsequently, when the broadcast terminal receives a key signal for displaying the broadcast subtitles stored by the processes of FIGS. 4A through 4C on the playback screen of the broadcast while playing the broadcast signal through the broadcast channel [FIG. 4D], the broadcast terminal is currently playing the broadcast signal. The display of the broadcast subtitles is stopped and the broadcast subtitles stored by the processes of FIGS. 4A to 4C are displayed on the broadcast reproduction screen [FIG. 4E].

In addition, the broadcast terminal may display the broadcast caption currently being played and the broadcast caption stored by the process of FIG. 4A to FIG. 4C according to a user's setting (FIG. 4F).

Second Embodiment

5 is a flowchart illustrating another embodiment of a broadcast caption search and display process of a broadcast terminal according to the present invention.

Referring to FIG. 5, the controller 160 receives a broadcast signal through the broadcast receiver 110 (S501), demultiplexes and decodes the received broadcast signal and reproduces it (S502).

If a key signal for searching for a broadcast subtitle is input through the input unit 120 (S503), the controller 160 displays the broadcast subtitle search window on a portion of the playback screen of the display unit 150 ( S504).

When the search word is input through the displayed search window through the input unit 120 (S505), the controller 160 includes the entered search word among the one or more broadcast subtitles stored using the process of FIG. 2. Check the presence of (S506).

Preferably, the search word may be a file name of the broadcast subtitles, characters of the broadcast subtitles, a date and time at which the broadcast subtitles are stored, and the like.

If the inspection result is present (S507), the controller 160 displays the inspected broadcast subtitle on the broadcast reproduction screen (S508).

In this case, when at least one test result exists, the controller 160 displays the inspected broadcast subtitles in a list form on a portion of the playback screen, and when any one of the displayed broadcast subtitles is selected, the broadcast playback screen is selected. The selected broadcast caption may be displayed on the screen.

If the broadcast subtitle is displayed on the broadcast reproduction screen, the controller 160 may stop displaying the displayed broadcast subtitle and display the found broadcast subtitle on the subtitle display area of the broadcast reproduction screen.

In addition, the controller 160 may display the displayed broadcast caption and the searched broadcast caption together in the caption display area of the broadcast playback screen.

When displaying the subtitles of the currently reproduced broadcast together with the searched broadcast subtitles, the subtitle display area of the broadcast reproduction screen is divided into first and second areas, and the currently reproduced broadcast is displayed in each of the divided areas. It is preferable to display the subtitle and the found broadcast subtitles.

It will be apparent to those skilled in the art that the present invention can be embodied in other specific forms without departing from the spirit and essential features of the present invention. For example, it will be very easy for those skilled in the art to use the above-described embodiments in combination with each other.

Accordingly, the above detailed description should not be construed as limiting in all aspects and should be considered as illustrative.

The scope of the invention should be determined by reasonable interpretation of the appended claims, and all changes within the equivalent scope of the invention are included in the scope of the invention.

In the broadcasting terminal and the method for providing broadcast subtitles according to the present invention, not only the entire broadcast signal is stored, but only the necessary broadcast subtitles, so that the user can easily search for and replay the broadcast subtitles that are needed by the user. Subtitles from other broadcasters can be viewed at the same time.

Claims (10)

A broadcast receiver for receiving a broadcast signal; A memory for storing text data included in the received broadcast signal; A display unit for reproducing the received broadcast signal; And And a controller for displaying the stored character data on a broadcast signal reproduction screen of the display unit according to a predetermined key signal input when playing the broadcast signal received by the broadcast receiver. The method of claim 1, And the controller is configured to decode the received broadcast signal through the broadcast receiver to extract text data, convert the extracted text data into a file of a predetermined format, and store the converted data in the memory. The method of claim 1, And the control unit stops displaying the original broadcast subtitle of the received broadcast signal according to the key signal input, and displays the stored text data on the playback screen. The method of claim 1, And the controller is further configured to display the original broadcast subtitle of the broadcast signal and the stored text data on the playback screen according to the key signal input. Receiving a broadcast signal; Storing text data included in the received broadcast signal; And And displaying the stored text data on a reproduction screen of the broadcast signal according to a predetermined key signal input when the received broadcast signal is reproduced. The method of claim 5, wherein the storing step, Extracting text data by decoding the received broadcast signal; And And converting the extracted text data into a file of a predetermined format and storing the extracted text data. The method of claim 5, And the displaying step stops displaying the original broadcast subtitle of the broadcast signal and displays the stored text data. The method of claim 5, The displaying step, the broadcast caption providing method of the broadcast terminal, characterized in that to display the original broadcast caption and the stored text data. A broadcast receiver for receiving a broadcast signal; A display unit for reproducing the received broadcast signal; A memory in which a plurality of broadcast captions are stored; And A control unit for displaying a broadcast subtitle including the entered search word among the broadcast subtitles stored in a memory on a playback screen of the broadcast signal when a search word for searching a broadcast subtitle is input when playing the broadcast signal received by the broadcast receiver; Broadcast terminal comprising a. Receiving a search word for searching a broadcast subtitle when the broadcast signal is reproduced; Checking whether a broadcast subtitle including the input search word exists among previously stored broadcast subtitles; And And displaying the inspected broadcast subtitles on the reproduction screen of the broadcast signal according to the test result.

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