KR100787573B1 - A method of processing a channel guide in a mobile communication terminal and a mobile communication terminal - Google Patents

Abstract

A DMB module for receiving a digital multimedia broadcasting signal; a multimedia processing unit for outputting a broadcasting signal received through the DMB module to a speaker and a display unit according to a control of the control unit; and a channel guide processing unit for providing guide channel information A method of processing a channel guide in a mobile communication terminal, the method comprising the steps of: A) when the DMB module is driven and a channel guide is requested from a user, each broadcast screen for a plurality of broadcast channels is reproduced on a single screen by accessing a channel guide server The method comprising the steps of: streaming and reproducing a video stream for a channel guide; receiving channel guide information including screen area information of each broadcasting channel and connection address information of each broadcasting channel; B) referring to the channel guide information in response to an input signal when the input for selecting a specific channel from the user is generated, and displaying the screen for the corresponding channel; C) when an input for channel connection is generated from a user, accessing to a connection address of a broadcasting channel corresponding to the divided display screen so that video and audio of the broadcasting channel are streamed and reproduced; So that there is a technical feature.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a channel guide processing method for a mobile communication terminal,

FIG. 1 is a view for explaining a channel selection method according to the related art,

2 is a view for explaining a multi-screen display method according to the related art,

FIG. 3 is a screen configuration diagram for explaining a channel guide processing method according to an embodiment of the present invention;

4 is a network configuration diagram for explaining a channel guide processing method according to an embodiment of the present invention;

5A and 5B are views for explaining channel guide information according to an embodiment of the present invention,

6 is a configuration diagram of a mobile communication terminal according to an embodiment of the present invention.

7 is a configuration diagram of the channel guide processing unit of FIG. 6,

8 is a flowchart sequentially illustrating a channel guide processing method according to an embodiment of the present invention.

Description of the Related Art

100: mobile communication terminal 110: phone module

120: DMB module 130:

140: Multimedia processor 150: Speaker

160: display unit 170: channel guide processing unit

171: Channel guide information storage unit 172: User input recognition unit

173: Selection screen display control section 174: Channel connection processing section

200: channel guide server 310 to 340: broadcast server

The present invention relates to a method of processing a channel guide in a mobile communication terminal and a mobile communication terminal for receiving and displaying a video stream for a plurality of guide channels in a single integrated stream, The present invention relates to a method of processing a channel guide in a mobile communication terminal, and a mobile communication terminal for the mobile communication terminal, in which a plurality of channels can be simultaneously viewed through a single channel connection and a desired channel can be selected.

Digital Multimedia Broadcasting (DMB) service is a mobile multimedia broadcasting service in which broadcasting and communication are blended. The multimedia multimedia broadcasting service includes CD quality sound and data, high-definition video service through a mobile phone, a personal digital assistant Currently, mobile communication subscribers can view drama, high-quality music, and receive information such as news, weather, and stock quotes while watching a broadcast using a mobile communication terminal even in a subway or a bus.

Meanwhile, an electronic program guide (EPG) is a program that allows a user to view a program list currently being broadcasted at a glance. The user can view program information broadcast on another channel through an electronic program guide .

However, the electronic program guide is composed of only a text program list, and there is a limitation in that it is not possible to select a channel while confirming a broadcasting screen currently being broadcast on each channel.

Accordingly, when the user desires to check the broadcasting screen, the user selects a specific channel (1. video channel) in the channel list on the initial screen at the time of starting the service as shown in FIG. 1, It is troublesome to select a broadcast channel (2. MBC) to check a corresponding broadcast screen, and to select one of the channels as described above in order to check a broadcast screen of another channel.

On the other hand, in the case of a broadcast receiving apparatus that supports a sufficient screen size such as a digital TV, a PIP (Picture in Picture) function that enables viewing of two channels simultaneously, and a POP Picture) function.

However, in a terminal having a small screen size such as a mobile communication terminal and a low computing capability, it is difficult to simultaneously display screens of a plurality of channels. Even if the limitation of the screen size is not considered, simultaneous connection to multiple channels, It is not easy to decode and display them separately.

Also, as shown in FIG. 2, a mobile communication terminal equipped with a PIP function for simultaneously displaying two broadcast screens has been introduced. However, this not only requires simultaneous connection to two channels, There is a disadvantage in that it is necessary to decode the broadcast program and only one screen is displayed in addition to the broadcast program being watched so that it can not perform the role of providing sufficient information for selecting one of the channels while watching the screen.

Accordingly, the present invention has been made to solve the above-mentioned problems and disadvantages of the related art, and it is an object of the present invention to overcome the limitations of network resources by allowing a plurality of channels to be viewed in real- A method of processing a channel guide in a mobile communication terminal that allows a channel to be easily selected by enlarging a specific channel screen by dividing a region and distinguishing and displaying the stream by receiving and streaming the stream as one integrated stream, And an object of the present invention is to provide a mobile communication terminal.

According to an aspect of the present invention, there is provided a mobile communication terminal including a DMB module for receiving a digital multimedia broadcasting signal, and a multimedia processor for outputting a broadcasting signal received through the DMB module to a speaker and a display unit under the control of the controller , And when the DMB module is driven and a channel guide is requested from a user, the video guide stream is played back by being connected to a channel guide server, and a channel guide video stream in which each broadcasting screen for a plurality of broadcasting channels is reproduced in a single screen, When a user inputs an input for selecting a specific channel from the user by referring to the channel guide information including the screen area information of each broadcast channel and the connection address information of each broadcast channel, When input for connection is generated, division table A channel guide processing unit for accessing a connection address of a broadcast channel corresponding to the displayed screen and allowing the video and audio of the broadcast channel to be stream-played; And a mobile communication terminal.

According to another aspect of the present invention, there is provided a digital multimedia broadcasting (DMB) system comprising: a DMB module for receiving a digital multimedia broadcasting signal; a multimedia processing unit for outputting a broadcasting signal received through the DMB module to a speaker and a display unit, A method of processing a channel guide in a mobile communication terminal comprising a guide processing unit, the method comprising the steps of: A) when the DMB module is driven and a channel guide is requested from a user, The method comprising the steps of: streaming and playing back a video stream for a channel guide reproduced in a single screen; receiving channel guide information including screen area information of each broadcast channel and connection address information of each broadcast channel; B) referring to the channel guide information in response to an input signal when the input for selecting a specific channel from the user is generated, and displaying the screen for the corresponding channel; C) when an input for channel connection is generated from a user, accessing to a connection address of a broadcasting channel corresponding to the divided display screen so that video and audio of the broadcasting channel are streamed and reproduced; And a channel guide processing method in the mobile communication terminal.

BRIEF DESCRIPTION OF THE DRAWINGS The above and other objects, features and advantages of the present invention will become more apparent from the following detailed description taken in conjunction with the accompanying drawings, in which: FIG.

FIG. 3 is a diagram illustrating a channel guide processing method according to an embodiment of the present invention. FIG. 4 is a network diagram illustrating a channel guide processing method according to an embodiment of the present invention. 5A and 5B are views for explaining channel guide information according to an embodiment of the present invention.

The channel guide processing method of the present invention is a method of processing a channel guide by implementing a plurality of broadcasts in a single decoding in the mobile communication terminal 100 by receiving a video stream for a channel guide implemented so that a plurality of broadcast screens are reproduced in a single screen from the channel guide server 200 And displays a screen of the selected channel by dividing the screen and changing the display when a key for selecting a channel is input.

Referring to FIGS. 3 and 4, when a user activates a corresponding service menu in order to use a broadcasting service, a user environment in the mobile communication terminal 100 according to the channel guide processing method will be described. A channel list screen (a) that is primarily classified into a video channel, an audio channel, and a premium channel is displayed. Then, when the user selects a video channel, a plurality of broadcast channels providing a video streaming service, A channel guide selection screen for providing a service of the present invention is provided so that information can be confirmed while viewing the broadcast screen (b).

If a user selects one of a plurality of broadcast channels to directly access a channel he / she wants to watch on the screen (b), the user directly accesses the corresponding broadcast channel and watches a broadcast streamed from the broadcast channel, When the channel guide service is selected to receive the channel guide service, the channel guide server 200 is connected to the channel guide server 200 and displays one screen composed of broadcasting screens of the respective broadcasting channels as shown in the screen (c).

At this time, the mobile communication terminal 100 does not receive a plurality of streaming broadcasts individually by connecting to each of the broadcasting servers 310 to 340 in order to display the screen (c) And thus decodes only one broadcast picture, that is, one video stream, rather than individually decoding each broadcast picture.

For this purpose, the channel guide server 200 should provide video streams for one channel guide by combining the video streams provided from the respective broadcasting servers. At this time, the area information of each broadcasting screen constituting one broadcasting screen, And broadcast server connection URL information as channel guide information.

Herein, the area information of each broadcasting screen is broadcasted when a user selects a specific broadcasting screen while the one broadcasting screen (c) is being streamed. In order to allow the user to check which channel the user has selected, The mobile communication terminal 100 displays the outline on the corresponding area by dividing the corresponding broadcast screen area as shown in the screen (d) when the user inputs a key with reference to the area information, So that the screen of the selected channel can be distinguished.

FIG. 3 shows only the outline display and enlargement of the screen selected by the user. However, only one outline may be applied, or only the outline may be displayed in response to the user's primary key input, and sequentially enlarged in response to the input of the secondary key .

Meanwhile, when the user inputs a key for accessing the corresponding broadcast channel while the screen of the broadcast channel selected by the user is displayed as shown in the screen (d), the corresponding URL address is extracted from the channel guide information, Connects to a broadcast server, and reproduces an audio stream provided by the broadcast server, while reproducing the video stream as the picture (e).

In this case, when the mobile communication terminal 100 supports only one channel connection, the mobile communication terminal 100 cancels the connection to the previously connected channel guide server 200, If the mobile communication terminal 100 supports simultaneous connection to two channels, only the video corresponding to the broadcasting channel selected by the user among the channel guide video streams streamed from the previously connected channel guide server 200 May be displayed on the screen, and the audio stream may be separately received from the broadcast server selected by the user and output.

Meanwhile, as described above, the mobile communication terminal 100 performs streaming playback of the video for the channel guide, performs area classification and display change according to the key input of the user, connection to a specific broadcast channel, Will be described with reference to FIG.

5A, the channel guide information includes a channel number of each broadcast channel included in the video stream for the channel guide, an area occupied by each broadcast screen on one screen composed of broadcast screens of the broadcast channels, Area information of each broadcasting screen that the terminal 100 can identify, and connection URL address to each broadcasting server.

In FIG. 5A, the area information of each broadcasting screen is represented by the X-coordinate and Y-coordinate of the upper left vertex in the rectangular type area occupied by one broadcasting screen, and the width and height information of the corresponding area.

5B, the mobile communication terminal 100 is able to distinguish the areas and to perform the division of a specific screen. By default, the screen area of the first channel is divided and displayed, , It is possible to change the area to be divided according to the up and down key input or the number key input.

In the above embodiment, the screen area information is implemented using the coordinates of the starting point of each broadcasting screen and the screen size information. However, information for dividing the screen area may be variously set, and the size of the area occupied by each broadcasting screen The region information may not be separately included in the channel guide information.

In this case, the mobile communication terminal 100 can process the division display of the screen selected by the user by dividing one screen into the same size. To this end, the video stream for the channel guide is created as a video stream for several broadcasting channels The mobile communication terminal 100 may include the total channel number information in the channel guide information so that the terminal 100 can distinguish the screen area according to the number of channels.

That is, when only the number of channels and the URL information of each channel are included in the channel guide information, the mobile communication terminal 100 generates the area information occupied by each broadcasting screen in a case where one screen is equally divided by the number of channels And it is possible to process the division of the screen according to the information.

Next, the configuration of the mobile communication terminal for the channel guide process of the present invention will be described with reference to FIGS. 6 and 7. FIG. FIG. 6 is a configuration diagram of a mobile communication terminal according to an embodiment of the present invention, and FIG. 7 is a configuration diagram of a channel guide processing unit of FIG.

6, the mobile communication terminal 100 of the present invention includes a phone module 110 for processing a call processing function and a basic function of a terminal, a DMB module 120 for a digital multimedia broadcasting service, A multimedia processing unit 140, and a channel guide processing unit 170 as a further configuration for implementing the present invention.

The DMB module 120 receives a digital multimedia broadcasting signal, and includes an RF tuner for tuning and demodulating the received broadcasting signal, and a CDM chip for separating the demodulated broadcasting signal into a video signal and a voice signal.

The classified video signal and audio signal are output to the speaker 150 and the display unit 160 through the multimedia processing unit 140 under the control of the controller 130.

The channel guide processing unit 170 receives a video stream for a channel guide and channel guide information from the channel guide server 200 through the DMB module 120 when a channel guide is requested from a user, A video stream for a channel guide in which a screen is reproduced in a single screen is played back in a streaming manner, and screen area information of each broadcast channel included in the channel guide information and connection address information for each broadcast channel are referred to, When an input is generated, the screen for the corresponding channel is displayed separately. When an input for channel connection is generated, connection to a connection address of a broadcasting channel corresponding to the screen displayed separately is supported.

The channel guide processing unit 170 includes a channel guide information storage unit 171, a selection screen display control unit 172, a user input recognition unit 173, and a channel connection processing unit 174, The role of

First, the channel guide information storage unit 171 stores channel guide information received from the channel guide server 200.

The selection screen display control unit 172 plays back the video stream for the channel guide, and when the user performs a key input for selecting a specific screen, the screen plays a role of displaying the corresponding screen. At this time, the video stream for the channel guide may be reproduced in the multimedia processing unit 140 under the control of the selection screen display control unit 172 or under the control of the terminal basic control unit 130.

The selection screen display control unit 172 may perform screen display control by displaying the outline or magnifying display after identifying the screen area for displaying the screen according to the user input, The user can change the screen dividing method in various ways according to the key input of the user or the environment setting of the user.

On the other hand, the selection screen display control unit 172 is a method for changing the display of the screen as described above. The selection screen display control unit 172 extracts data on the screen area to be enlarged in the video stream for channel guide, enlarges the decoding screen of the extracted data And the specific method can be variously implemented by those skilled in the art, so that the present invention is not limited thereto.

Next, the user input recognizing unit 173 refers to the channel guide information when generating an input for selecting a specific channel from the user during the reproduction of the video stream for the channel guide, and transmits the screen region information for the selected channel to the selection screen display control unit 172 So that the selection screen display control unit 172 performs division display of the screen corresponding to the user input.

Also, the user input recognizing unit 173 refers to the channel guide information when generating an input for a specific channel connection, and transmits the connection address information of the corresponding channel to the channel connection processing unit 174.

The channel connection processing unit 174 provides the corresponding address information to the control unit 130 when the specific channel connection address information is output from the user input recognition unit 173. The control unit 130 controls the DMB module 120 And receives a video stream and an audio stream of the corresponding broadcast channel, and transmits the video stream and the audio stream to the multimedia processing unit 140 so that a video signal and an audio signal of a specific channel can be output.

At this time, if the DMB module 120 does not allow concurrent access to two channels, the channel connection processing unit 174 controls the channel guide server connection to be released so as to reproduce the video stream for the channel guide So that the video / audio stream is normally received and reproduced from the specific broadcast channel.

If the DMB module 120 can perform simultaneous connection to two channels, the channel connection processing unit 174 determines that the DMB module 120 is connected to the channel guide server 200, In this case, the selection screen display control unit 172 may display only the screen of the broadcasting channel selected by the user while maintaining the reproduction state of the video stream for the channel guide And the audio stream provided from the broadcast channel selected by the user may be output to the speaker 150 by the multimedia processing unit 140. [ At this time, it may be necessary to synchronize the video and audio streams received through different channels.

Lastly, a channel guide process according to the present invention will be described with reference to FIG. 8, which is a flowchart sequentially illustrating a channel guide processing method according to an embodiment of the present invention.

The DMB module 120 is connected to the channel guide server 200 so that each broadcasting screen for a plurality of broadcasting channels is displayed on a single screen (step S810) A video stream for a channel guide to be reproduced by the user, and channel guide information (S830).

The video stream for the channel guide is streamed through the multimedia processing unit 140 or the channel guide processing unit 170 in step S840 and if a user input for selecting a specific channel (screen) is generated during streaming reproduction of the video for the channel guide In operation S850, the channel guide processing unit 170 displays a screen selected by the user by displaying or enlarging an outline on the screen selected by the user.

When a key input for connection to a broadcast channel corresponding to the screen is generated in step S870, the channel guide processing unit 170 receives the channel guide information included in the previously received channel guide information In step S880, the video and audio of the corresponding broadcast channel are streamed and accessed by referring to the screen area information of each broadcast channel and the connection address information of each broadcast channel, accessing the connection address of the broadcast channel corresponding to the corresponding screen.

As described above, as a method of streaming and playing back video and audio of a corresponding broadcast channel, a connection to a previously connected channel guide server 200 is released, and both a video stream and an audio stream are received from the broadcast channel There is a method of streaming and playing back a video stream for a channel guide while maintaining a connection with a previously connected channel guide server 200 and additionally receiving and reproducing only an audio stream from the corresponding broadcast channel.

In the latter case, it is preferable that only the screen corresponding to the broadcast channel selected by the user is displayed on the screen in reproducing the video stream for the channel guide, and in some cases, the screen corresponding to the broadcast channel selected by the user is enlarged The remaining screens may be displayed through a part of the screen area.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the following claims and their equivalents. Only. The scope of the present invention is defined by the appended claims rather than the detailed description and all changes or modifications derived from the meaning and scope of the claims and their equivalents are to be construed as being included within the scope of the present invention do.

Therefore, according to the channel guide processing method and the mobile communication terminal for the mobile communication terminal of the present invention, the mobile communication terminal can check the screens of various channels in real time by one guide channel connection, It is possible to select a desired broadcast while checking simultaneously, and it is possible to overcome the limitation of the network resource because it is not necessary to simultaneously access to each broadcast channel, and also it is possible to solve the limitation problem of the computing ability of the terminal by decoding only one video stream There are advantages.

Claims (16)

A DMB module for receiving a digital multimedia broadcasting signal; and a multimedia processor for outputting a broadcasting signal received through the DMB module to a speaker and a display unit under the control of the controller, When the DMB module is driven and a channel guide is requested from a user, the user terminal accesses a channel guide server to stream a video stream for a channel guide in which each broadcasting screen for a plurality of broadcasting channels is reproduced in a single screen, When a user inputs an input for selecting a specific channel by referring to channel guide information including screen area information of each broadcast channel and connection address information of each broadcast channel, A channel guide processing unit for accessing a connection address of a broadcast channel corresponding to the classified display screen, so that video and audio of the broadcast channel are played back in a streaming manner; Lt; / RTI > Wherein the connection address information of each of the broadcast channels is the connection URL information of each broadcast server. The method according to claim 1, The channel guide processing unit, A channel guide information storage unit for storing channel guide information received from the channel guide server; During reproduction of the video stream for the channel guide, when generating an input for selecting a specific channel from the user, the screen area information for the channel is referred to by referring to the channel guide information, and when generating an input for a specific channel connection from the user, A user input recognizing unit for referring to the information and outputting connection address information of the corresponding channel; A selection screen display control unit for controlling the screen so that the screen area is distinguished from the video stream reproduction screen when specific screen area information is output from the user input recognition unit; A channel connection processing unit connected to the corresponding address to output a video signal and an audio signal of the corresponding channel when the specific channel connection address information is output from the user input recognizing unit; The mobile communication terminal comprising: 3. The method of claim 2, Wherein the selection screen display control section, And displays an outline on the screen area according to the screen area information outputted from the user input recognizing part. 3. The method of claim 2, Wherein the selection screen display control section, And enlarges and displays the screen area according to the screen area information outputted from the user input recognizing part. 5. The method of claim 4, Wherein the selection screen display control section, Extracts data on a screen region to be enlarged in the video stream for channel guide, and outputs a decoding screen of the extracted data to an enlarged screen region. 3. The method of claim 2, The channel connection processing unit, Wherein when the specific channel connection address information is output from the user input recognizing unit, the DMB module controls the channel guide server connection to be released, thereby stopping the reproduction of the video stream for the channel guide. 3. The method of claim 2, The channel connection processing unit, When the specific channel connection address information is output from the user input recognizing unit, the DMB module controls the DMB module to receive only the audio stream from the channel connection address while maintaining the channel guide server connection, And controls the audio stream of the selected channel to be reproduced simultaneously. 3. The method of claim 2, Wherein the screen area information of each broadcasting channel constituting the channel guide information includes coordinate information of a starting point of a screen occupied by each broadcasting channel and size information of each screen. A DMB module for receiving a digital multimedia broadcasting signal; a multimedia processing unit for outputting a broadcasting signal received through the DMB module to a speaker and a display unit according to a control of the control unit; and a channel guide processing unit for providing guide channel information A channel guide processing method in a communication terminal, A) When the DMB module is driven and a channel guide is requested from a user, the user terminal accesses a channel guide server to stream a video stream for a channel guide in which each broadcasting screen for a plurality of broadcasting channels is reproduced in a single screen, Receiving channel guide information including screen area information of each broadcasting channel and connection address information of each broadcasting channel; B) referring to the channel guide information in response to the input signal when the input for selecting a specific channel from the user is generated, and displaying the screen for the corresponding channel; C) when an input for channel connection is generated from a user, accessing to a connection address of a broadcasting channel corresponding to the divided display screen so that video and audio of the broadcasting channel are streamed and reproduced; Wherein the connection address information of the broadcast channel is information of an access URL of each broadcast server. 10. The method of claim 9, The step B) Identifying a screen to be divided and displayed in response to an input signal when an input for selecting a specific channel from the user is generated and displaying an outline in the corresponding screen area. 10. The method of claim 9, The step B) Identifying a screen to be divided and displayed in response to an input signal when an input for selecting a specific channel from the user is generated and enlarging and displaying the corresponding screen area. 12. The method of claim 11, The step B) Extracting data on a screen area to be enlarged in the video stream for the channel guide in response to an input signal and outputting a decoding screen of the extracted data to an enlarged screen area in response to an input for selecting a specific channel from a user Wherein the channel guide processing method is a method for processing a channel guide in a mobile communication terminal. 10. The method of claim 9, The step (C) C-1) when an input for channel connection is generated from a user, the channel guide processing unit refers to the channel guide information and transmits a connection address of a broadcasting channel corresponding to the divided and displayed screen to the DMB module; C-2) receiving the multimedia stream including the video signal and the audio signal of the corresponding channel by connecting the DMB module with the received connection address, and delivering the received multimedia stream to the multimedia processing unit; Wherein the channel guide processing method comprises: 14. The method of claim 13, In the step C-2) Wherein the DMB module separates the received multimedia stream into an audio signal and a video signal, and delivers the audio signal and the video signal to the multimedia processing unit. 14. The method of claim 13, In the step C-2) Wherein the DMB module disconnects the channel guide server and then connects to the received connection address in the mobile communication terminal. 10. The method of claim 9, The step (C) C-1) when an input for channel connection is generated from a user, the channel guide processing unit refers to the channel guide information and transmits a connection address of a broadcasting channel corresponding to the divided and displayed screen to the DMB module; C-2) receiving only the audio stream by accessing the received connection address while the DMB module maintains connection with the channel guide server, and transmitting the audio stream to the multimedia processing unit; C-3) The multimedia processing unit synchronizes the received audio stream with the video stream for the channel guide to be reproduced and outputting the audio stream; The method of claim 1, further comprising:

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