KR100873949B1 - Screen Compilation System Of Client Base And Method Thereof - Google Patents

Abstract

The present invention relates to a client-based screen configuration system and a method thereof, and more particularly, a headend transmits a plurality of videos and screen configuration information for the plurality of videos through a single channel, and a client terminal varies according to the screen configuration information. The present invention relates to a client-based screen composition system and a method thereof.

Screen composition, video, headend

Description

Client-based screen composition system and its method {Screen Compilation System Of Client Base And Method Thereof}

1 is a system configuration diagram schematically showing a client-based screen configuration system according to a preferred embodiment of the present invention.

FIG. 2 is a block diagram schematically illustrating a client terminal of FIG. 1.

3 is a flowchart schematically illustrating a client-based screen configuration method according to an exemplary embodiment of the present invention.

4 is a diagram schematically illustrating a screen configuration method according to a preferred embodiment of the present invention.

<Explanation of symbols for main parts of the drawings>

10: head end 110: screen configuration input module

120: screen configuration encoding module 20: client terminal

210: tuner 220: channel decoder

230: demux 240: control unit

250: memory 260: decoder

270 display unit

The present invention relates to a client-based screen configuration system and a method thereof, and more particularly, a headend transmits a plurality of videos and screen configuration information for the plurality of videos through a single channel, and a client terminal varies according to the screen configuration information. The present invention relates to a client-based screen composition system and a method thereof.

Conventional broadcasting systems are changing the video content of the content as a result of the content enhancement between channels, and the appearance of data broadcasting is a broadcast that transmits the same content to everyone at the same time, but different screens through dialogue with the user Personalization, such as displaying graphics and configurations, has also improved the performance of client terminals, enabling the simultaneous processing and display of multiple videos.

However, there is still the stereotype that one channel is one video, so this change has been made within one video and personalization has been limited.

In addition, conventionally, a screen is created by combining multiple videos through a mosaic EPG (Electronic Program Guide) or a multi-view channel, and when a screen configuration needs to be changed, a different screen is created as it is, but each video is broadcast. Because of the bandwidth, the bandwidth loss is large and the number of configuration methods is limited.

In addition, there is a method in which the mosaic EPG implementation constructs a mosaic channel page by dynamically combining actual channels, but the method of configuring the mosaic channel page is determined by a client terminal application, and thus there is a problem that the concept of editing of the headend is not reflected. .

In addition, conventionally, a subprogram (for example, a sports relay / sign language screen during a news relay) is inserted in the form of a PIP in addition to the main program of one channel, but only in one form edited by the headend. Because of the transmission, there was a problem that the desired screen could not be edited arbitrarily according to the client's preferences or characteristics.

In order to solve the above problems, an object of the present invention is a client-based screen composition system and a system capable of controlling the size and position of each video according to the client's selection and one channel is made of a combination of several video and its To provide a way.

In order to achieve the above object, the client-based screen composition system according to the present invention includes a video configuration information of a headend for encoding and transmitting multi-video and possible screen configuration information of the multi-video, and multi-video transmitted from the headend. And a client terminal which decodes and provides the editable screen configuration to the client and controls the client to be displayed according to the selected screen configuration.

The headend includes a screen configuration input module for inputting a multi video broadcast signal and screen configuration information for the multi video, and a screen configuration encoding module for simultaneously encoding the input information and transmitting the same through a single channel. do.

Here, the multi-video includes a plurality of videos taken from various angles of one program or a plurality of videos for two or more programs. do.

The screen configuration information for the multi video may include a screen identification code, a number of videos to be used, a video identification code for each video, video location information on a stream, information about a part to be imported from the video, and a number of possible screen configurations; And location information of each video for each screen configuration, size information of each video, audio information to be used, basic screen configuration information, and screen switching method information for each button.

The client terminal may provide a memory unit for storing screen configuration information of the multi video and an interface for editing a desired screen based on the screen configuration information stored in the memory unit, and configured by the client's selection. And a control unit for controlling the screen to be displayed.

In addition, the controller analyzes the screen configuration information of the multi video transmitted from the headend to extract a possible screen configuration method and provides an interface for the client to edit the screen, and provides the screen configuration information according to the selection of the client. And a screen configuration changing module for controlling the screen to be displayed as the screen configuration set by the screen configuration setting module.

On the other hand, the client-based screen configuration method according to the present invention comprises the steps of (a) the head-end encoding the multi-video and the screen configuration information for the multi-video through the broadcast network and (b) the client terminal from the head end Storing the transmitted multi-video and screen configuration information and displaying a basic screen for the multi-video; and (c) if a client wants a different screen configuration, selects a desired screen configuration among the screen configurations transmitted from the headend. And setting the screen according to the setting and displaying the screen according to the configuration.

The step (a) may include inputting, by the screen configuration input module of the headend, possible screen configuration information for the multi video, and encoding and transmitting the input screen configuration information into a broadcast signal by the screen configuration encoding module. It is characterized by.

In the step (c), when the client wants to change the screen configuration, the screen configuration setting module of the controller receives a key input from the client and extracts screen configuration information transmitted from the headend to provide an interface for selecting a desired screen configuration. And storing the screen configuration selected by the client among the possible screen configurations in a memory unit and setting the screen configuration as a base screen.

The step (d) may include extracting, by the screen configuration change module of the controller, the set screen configuration information from the memory unit, and decoding the screen configuration information according to the set screen configuration and outputting the changed screen through the display unit. .

Hereinafter, the specific configuration and operation of the present invention will be described in detail with reference to the drawings and the embodiments.

In general, the headend transmits a broadcast signal including a broadcast signal (AV) of a program and an event information table (EIT) for providing information about the program in the form of a bit stream compressed by a compression standard, and transmits a tuner of a client terminal. If a user selects a desired channel among the broadcast signals received through the key operation unit such as a remote controller, the controller of the client terminal controls this according to the electric signal transmitted to the key input unit and extracts the channel desired by the user through the channel decoder.

The extracted compressed broadcast signal is extracted, separated into video, audio, and information data by a demultiplexer (Demux), transmitted to a decoder, and displayed through a display through a signal processing process.

1 is a system configuration diagram schematically showing a client-based screen configuration system according to a preferred embodiment of the present invention, Figure 2 is a block diagram schematically showing the client terminal of FIG.

1 and 2, the client-based screen configuration system according to the present invention transmits a headend 10 and a headend 10 that encode and transmit multi-video and possible screen configuration information of the multi-video. And a client terminal 20 which decodes the screen configuration information of the multi video to provide the client with an editable screen configuration and controls the client to be displayed according to the selected screen configuration.

Here, the multi video refers to two or more videos that can be inserted for simultaneous broadcasting in one channel program. For example, videos from various angles of a soccer game are encoded and transmitted simultaneously.

In general, in the case of a sports event, the video recorded from various angles is transmitted through multiple cameras for a single program broadcast so that the client can see only the video that is edited and transmitted from the headend. Although it is not possible to selectively watch a video shot from an angle, the screen configuration system according to the present invention can selectively watch a video of a desired angle by transmitting information on an editable screen configuration of the video taken from the headend by the various angles. have.

In addition, multi-video includes not only encoding a plurality of videos for one program, but also encoding and transmitting video (for example, news and sports broadcasts) for a plurality of programs simultaneously.

The headend 10 is a screen configuration input module 110 for inputting a multi video broadcast signal and screen configuration information for the multi video, and a screen configuration encoding module for encoding the input information at the same time and transmitting it through one channel. And 120.

The screen configuration information for the multi video includes a screen identification code (ID), the number of videos to be used, a video identification code (ID) for each video, video position information on a stream, information about a part to be imported from the video, and a possible screen. It includes the number of configurations, position information of each video for each screen configuration, size information of each video, audio information to be used, basic screen configuration information, and screen switching method information for each button.

Here, the screen identification code (ID) is an identification code for a screen configuration that can be arranged in a client terminal, and is information defined and transmitted in the headend to enable various arrangements of multi-videos, and the screen identification code (ID) is selected. One possible screen configuration.

Meanwhile, the client terminal 20 has an interface for editing a screen desired by a client based on the memory unit 250 storing the screen configuration information of the multi video and the screen configuration information stored in the memory 250. It is configured to include a control unit 240 for controlling to display the screen configured by the selection of the client.

Here, the interface may be provided by a screen editing application, and the screen editing application is responsible for analyzing a screen configuration information transmitted from a headend and providing a possible screen configuration form to a client, wherein the application is a memory. Stored in the unit 250, the execution is controlled by the controller.

Here, the client terminal 20 may be any terminal capable of receiving a broadcast, but the terminal for TV is preferable because the terminal screen size must be secured for the screen configuration of the multi video.

The controller 240 analyzes the screen configuration information of the multi video transmitted from the headend 10 to extract a possible screen configuration method and provides an interface through which the client can edit the screen. And a screen configuration changing module 242 for controlling the screen to be displayed as the screen configuration set by the screen configuration setting module.

More specifically, the screen configuration setting module 241 encodes the screen configuration information transmitted from the headend 10 to provide the client with a screen configuration that can be arranged, and when the client selects a desired screen configuration, the screen configuration setting is performed. The module stores the screen identification code for the screen selected by the client, the location information of the video corresponding thereto, the size information of each video, and the audio information to be used in the memory unit 250 to control the setting, and the screen configuration change module 242 ) Controls the screen configuration to be decoded and displayed according to the setting.

For example, if a channel contains multiple videos of soccer shots from various angles, the broadcaster controls viewers to select videos from one angle or watch multiple videos at the same time. can do. To this end, an identification code for identifying each video may be assigned to the plurality of videos.

3 is a flowchart schematically illustrating a client-based screen configuration method according to an exemplary embodiment of the present invention.

Referring to FIG. 3, the headend 10 encodes the multi video and the screen configuration information for the multi video and transmits the same through the broadcasting network.

More specifically, the screen configuration input module 110 of the headend 10 sets a possible screen configuration for the multi-video and inputs information on it, and the screen configuration encoding module 120 converts the input screen configuration information. The encoding is transmitted to a broadcast signal.

The client terminal 20 stores the multi-video and the screen configuration information transmitted from the headend 10 and displays a basic screen (S120).

More specifically, the client terminal 20 receives through the tuner 210 for the channel including the multi-video transmitted from the headend 10, selects the channel through the channel decoder 220, demux ( The demultiplexed broadcast signal received through 230 is decoded, and the demultiplexed signal is decoded through the decoder 260 and output through the display unit 270. At this time, the basic screen set by the headend 10 of the multi-video channel is decoded and output. The basic screen may be determined according to the setting of the headend 10, and basically, a screen including all multi-videos may be set as a basic screen and transmitted, and the client may select a desired screen configuration.

If the client wants a different screen configuration, the screen editing application is activated to select a desired screen configuration among the provided screen configurations.

More specifically, when the client browses the screen configuration available through the screen editing application and selects the desired screen configuration by key input, information about the screen configuration selected by the screen configuration setting module 241 of the controller 240 (screen ID). And video location information, size information of each video, audio information, etc.) are stored in the memory unit 250 to set the selected screen configuration based on the client.

4 is a diagram schematically illustrating a screen configuration method according to a preferred embodiment of the present invention.

Referring to FIG. 4, when the headend 10 transmits news, football relay, and a sign language video for the football through one channel, news, football relay, and sign language video correspond to the video on the broadcast stream. In the case of the main screen (screen 2), a first configuration consisting of news only, a second configuration in which a sports screen is inserted into the news, a third configuration in which the size and position of the sports screen inserted in the second configuration is changed, and sports in the news It may be set to the fourth configuration in which the screen and the sign language video are inserted. The configuration change as described above may be performed by inputting a specific key (for example, a red key).

The above configuration is an embodiment of four screen configurations, but the screen configuration can be set to more various configurations applicable to the client. For the screen configured as described above, information about the screen identification code (ID) for each configuration, the number of videos to be used, the video identification code (ID) for each video, the video position information on the stream, the part to be imported from the video, Screen configuration information including the number of possible screen configurations, the location information of each video for each screen configuration, the size information of each video, the audio information to be used, the basic screen configuration information, and the screen switching method information for each button. It is input by the input module 110 and encoded by the screen configuration encoding module 120 into a broadcast signal and transmitted through the broadcast network.

In addition, when the soccer relay is the main screen (screen 1), a configuration in which a sign language video for the soccer relay is inserted may be additionally set.

The screen configuration as described above is information that is preset and transmitted from the headend 10, and can be transmitted by setting various screen configurations that the client can select in addition to the screen configuration, and when the client selects a desired screen configuration among the screen configuration information. The controller 240 of the client terminal 20 controls the screen to be displayed accordingly.

When the screen configuration by the client is set as described above, the screen configuration is changed and displayed (S140).

More specifically, when the screen configuration selected by the client by the screen configuration setting module 241 is set as the basic screen, the screen configuration changing module 242 controls to be decoded and displayed as described above. Therefore, the client can select and view a desired screen configuration among the video information transmitted through the multi-video.

In addition, when the client who is watching according to the set screen configuration wants to change the screen configuration, the desired screen configuration may be freely selected and viewed by key input.

As described above, the client-based screen composition system and method according to the present invention can not only configure a channel by expressing all or a portion of one or several videos on one screen, but also by using a client conversation interface. Clients can choose one of the possible screen composition methods, or resize each video in various ways that the content creator allows, resulting in an excellent effect for the client to enjoy the broadcast.

In addition, a part of a video included in a mosaic EPG or a multi-view channel as part of a full screen can be cut out and imported from multiple videos. The user can change the size or position, and if there is more than one content to display, but one channel, it has an excellent effect of encoding and transmitting multiple videos at the same time and viewing the content in the desired form according to the client's choice. .

Although the detailed description of the present invention described above has been described with reference to the preferred embodiment of the present invention, the protection scope of the present invention is not limited to the above embodiment, and those skilled in the art will appreciate It will be understood that various modifications and changes can be made in the present invention without departing from the spirit and scope of the invention.

Claims (10)

A headend for transmitting the multi video and the editable screen configuration information of the multi video; A client-based screen including a client terminal that receives the multi-video and screen configuration information from the headend and controls the screen to be displayed according to the screen configuration selected by the client among the screen configurations of the multi-video editable using the screen configuration information. Configuration system. The method of claim 1, wherein the headend A screen configuration input module for inputting the multi video and the screen configuration information; And a screen configuration encoding module for encoding the input multi video and screen configuration information and transmitting the same through a single channel. The method according to claim 1 or 2, The multi video is Client-based screen composition system, characterized in that it comprises a plurality of videos taken from various angles of one program or a plurality of videos for two or more programs . The method according to claim 1 or 2, The screen configuration information for the multi video is Screen identification code, How many videos to use, A video identification code for each video, video location information on the stream, The number of possible screen configurations, Location information of each video for each screen configuration, size information of each video, audio information to use, Basic screen configuration information, Client-based screen composition system comprising a screen switching method information for each button. The method of claim 1, wherein the client terminal, A memory unit for storing the screen configuration information; A client-based screen configuration system comprising: a control unit for providing an interface for editing a desired screen by a client based on the screen configuration information stored in the memory unit, and controlling to display a screen configured by the client's selection. . The method of claim 5, wherein the control unit, Screen configuration settings for analyzing a screen configuration information transmitted from the headend to extract a possible screen configuration method to provide an interface for a client to edit the screen, and to control the setting of the screen configuration information according to the client's selection A module; And a screen configuration change module for controlling the screen to be displayed as the screen configuration set by the screen configuration setting module. (a) the headend encoding the multi-video and the editable screen configuration information of the multi video through a broadcasting network, wherein the screen configuration information includes basic screen configuration information; (b) storing, by the client terminal, the multi-video and the screen configuration information transmitted from the headend and displaying a screen according to the basic screen configuration information; (c) setting, by the client terminal, a screen configuration by storing a screen configuration selected by the client among the screen configurations of the multi-video editable using the screen configuration information transmitted from the headend; (d) changing and displaying a screen according to the set screen configuration. The method of claim 7, wherein the step (a), Inputting, by the screen configuration input module of the headend, editable screen configuration information of the multi video; And encoding, by the screen configuration encoding module, the input screen configuration information and the multi video into a broadcast signal and transmitting the same. The method of claim 7, wherein step (c) If the client wants to change the screen configuration, the screen configuration setting module of the controller receiving a key input from the client and extracting the screen configuration information transmitted from the headend to provide an interface for selecting a desired screen configuration; And setting, by the screen configuration setting module of the control unit, a screen configuration selected by the client from among the editable screen configurations and setting the screen configuration. The method of claim 7, wherein step (d) Extracting, by the screen configuration change module of the controller, the set screen configuration from a memory unit; And changing the screen by outputting a screen configured according to the set screen configuration by the screen configuration changing module of the controller through the display unit.

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