KR20070010346A - Method and apparatus for broadcasting watching - Google Patents

Abstract

A method and apparatus for watching DMB(Digital Multimedia Broadcasting) programs are provided to operate a remotely located display using a terminal so as to search and record a desired program, and receive a recorded program or a real-time program through the terminal to watch the received program. A method for watching a DMB program includes a step of connecting a session with a display(S100), a step of transmitting an instruction to the display through the session(S101), and a step of receiving a program, which is transmitted from the display according to the instruction, and playing the program(S113). When the instruction is an EPG(Electronic Program Guide) transmitting instruction(S107), EPG is received and reproduced(S110). When a specific program is selected from the EPG(S111), an instruction which informs the display of the selected program is transmitted.

Description

Method and apparatus for watching a program {Method and apparatus for broadcasting watching}

1 is a view showing to aid the conceptual understanding of the present invention

2 illustrates an embodiment of a display for viewing a program according to the present invention.

3 is a diagram illustrating an embodiment of a terminal for viewing a program according to the present invention;

4 is a diagram for explaining a virtual streaming technology for viewing a program according to the present invention.

5 is a flowchart illustrating an embodiment of a method for watching a program according to the present invention.

* Explanation of symbols for main parts of the drawings

100: TV 200: terminal

101: AV compression module 102: control module

103, 203: RTP / RTCP stack 104, 204: SIP stack

105: program search agent 106: program recording agent

107, 207: connection agent 108: program storage unit

109, 209: transmitting module 110, 210: receiving module

201: AV restoration module 202: program player

205: control agent 206: program agent

208 program buffer

The present invention relates to a program viewing apparatus and a program viewing method, and more particularly, to a method and apparatus for viewing a program by connecting a terminal to a display in a communication environment.

Recently, digital multimedia broadcasting (DMB) is used as a service that provides various multimedia signals such as voice and video to a fixed, portable and in-vehicle receiver.

In addition, with the advent of digital TV, which includes a function of searching for a broadcast and recording without a video tape, the use of a recent broadcast is expanding.

In addition, some digital TVs have a built-in Internet connection function, so that you can download broadcast program information along with an Internet search.

In addition, the DMB broadcast is fused to a mobile terminal instead of a TV, and a mobile terminal such as a DMB phone is commercially available in recent years. In this case, the mobile terminal can receive a broadcast program through a predetermined channel. In particular, a mobile TV concept is introduced by the mobile terminal.

However, in the case of the mobile terminal (for example, DMB phone) as described above, while having excellent mobility, the recording function that can be seen when you want to see is weak, and due to the limitation of the mobile terminal, a program for the mobile terminal must be produced separately. However, since the preferred solution is not presented, there have been many problems in developing a new mobile terminal.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide a user with a method and apparatus for more efficient program viewing by manipulating a remote display using a terminal in a communication environment.

In order to achieve the above object, the present invention provides a communication environment in which a terminal and a display communicate, connecting a session with the display, transmitting a command to a display through the connected session, and displaying according to the command. Receiving and playing the program transmitted by the terminal provides a program viewing method in a terminal characterized in that it comprises.

The present invention may further include receiving and playing a program schedule when the command is a program schedule transmission command, and when a specific program is selected in the program schedule, transmitting a command to inform the display of the selected program. Characterized in that made.

In addition, the present invention provides a communication environment in which a terminal and a display communicate with each other, comprising: connecting a session with the terminal, receiving a command from the terminal through the connected session, interpreting the command, and performing a command; Provided is a method for transmitting a program in a display, comprising the steps of:

The present invention also provides a session initiation protocol stack for connecting to a display and sending a command to the display, a receiving module for receiving a program from the display according to the command, a program buffer for temporarily storing the received program, and the stored It provides a terminal for viewing a program, characterized in that it comprises an AV restoration module for restoring a program.

The apparatus may further include a control agent for controlling the display. The receiving module may further include a data transmission protocol stack for receiving a program.

In addition, the present invention provides a session initiation protocol stack for connecting to a terminal and receiving a command from the terminal, a control module for controlling execution of a command received from the terminal, and if the received command is a program transfer command, control of a control module. It provides a display for viewing the program, characterized in that it comprises a transmitting module for transmitting the program.

The display includes a data transfer protocol stack for transmitting a program, a program storage unit for storing a program received from an external program provider, an AV compression module for compression before storing the program in the program storage unit, and an external device. It further comprises an Internet module for the program provider and the Internet.

Accordingly, according to the present invention, it is possible to search for and record a desired program by manipulating a remote display with a terminal, and to provide a method and an apparatus for receiving and viewing a recorded program or a real-time program from the terminal. It is possible.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention that can be specifically realized for the above purpose.

In addition, the terms used in the present invention was selected as a general term widely used as possible now, but in some cases, the term is arbitrarily selected by the applicant, in which case the meaning is described in detail in the description of the invention, It is to be understood that the present invention should be understood as the meaning of terms rather than the names of terms.

In this regard, in the present invention, "protocol" means a communication protocol, and "session protocol" means a protocol defining a communication method between session layers of two entities to communicate.

In addition, the "session initiation protocol" is an application layer protocol in which intelligent terminals identify and locate each other in a communication environment, find a location thereof, and specify a procedure for creating, deleting, or changing a multimedia communication session between them. Initiation Protocol (hereinafter referred to as 'SIP') will be described as an example of an application protocol, but the technical concept of the present invention is not limited to SIP.

In addition, SIP is a very simple text-based application layer control protocol that allows one or more participants to create, modify, and terminate a session together. These sessions include teleconferences, phone calls, visits, instant messages (SMS), etc., using the Internet.

In addition, in the present invention, "data transmission protocol" is a protocol for transmitting data, and in the present invention, a RTP (Real-Time Transport Protocol: RTP) protocol, which is a transport communication protocol for transmitting and receiving data such as voice and video in real time. And RTCP (RTP Control Protocol: hereinafter referred to as 'RTCP'), which is a protocol for controlling the RTP, but the technical concept of the present invention is not limited to RTP / RTCP. .

In this regard, in the present invention, the term "terminal" refers to a point at which information is input / output in a communication network, or means a device for making or viewing data in a digital data transmission system or a device for performing a function for sending or receiving data. .

At this time, examples of the terminal include a mobile communication terminal, a PDA phone, a PC, a TV capable of communicating, but the technical concept of the present invention is obviously applicable to other terminals of wired / wireless.

In this context, in the present invention, "message" means a unit that is configured according to a strict rule as a transmission unit and is transmitted according to a protocol that is a predetermined rule between a transmitting device and a receiving device. Even if using the present invention is applicable.

In relation to the present invention, the term "display" refers to a display device for visually outputting data on a screen. In particular, the present invention describes "TV" for playing a broadcast program as an example of a display. Of course, it is not limited.

In relation to this, in the present invention, "program" means a broadcast program that encompasses the type, content, quantity, and arrangement of broadcasts, but the technical concept of the present invention is not limited thereto.

In this regard, in the present invention, "buffer" means a storage place to be used as a temporary data storage place when transmitting information such as input / output data, and in particular, "program buffer" means a buffer when the temporary data is a program. However, it is obvious that the technical idea of the present invention is not limited thereto.

In this regard, in the present invention, "Agent" refers to a function that understands an intention according to a specific scene and executes a process by independent judgment, that is, a program that executes a specific purpose when a target web page is found.

1 is a view showing to aid the conceptual understanding of the present invention.

According to the present invention, the terminal 200 operates the TV 100 in a remote area to search and record a program, and the terminal 200 receives a recorded program or a real-time program from the TV 100 and is offline (off-line). And a new terminal 200 and a TV 100 for this.

In this case, the TV 100 should be a device capable of connecting to the Internet. In order for the terminal 200 to operate the TV 100 at a long distance, a signaling protocol called SIP is used, and the actual program data is RTP / RTCP. Receive using

At this time, the RTP / RTCP is an embodiment of a data transmission protocol which is a protocol for data transmission as mentioned above and it is apparent that the present invention is not limited thereto.

In this way, the terminal 200 receives a program that the external program provider provides to the TV 100 on the TV and stores the program or the program that the TV 100 downloads and plays from the external program provider on the terminal 200 to watch. The present invention provides that there is.

Here, the external program provider is a subject that provides a broadcast program, and may be, for example, Korea Broadcasting Corporation (KBS) or Cultural Broadcasting (MBC).

Hereinafter, an apparatus for viewing a program according to the present invention will be described with reference to FIGS. 2 to 4, and a method for viewing a program according to the present invention will be described with reference to FIG. 5.

2 is a view showing an embodiment of a display for viewing a program according to the present invention, in particular, when the display is a TV.

The TV 100 includes an Internet module 111 for connecting to an Internet network, a transmission module 109 for transmitting data such as a program to a terminal, a command received from an external program provider, a command transmitted from the terminal, or the like. Receiving module 110 for receiving data containing the information, the program search agent 105 for the program search, a program recording agent 106 for recording a program provided by an external program provider, and the receiving module And a program storage unit 108 for storing a program recorded by the recording agent 106 among programs provided by an external program provider at 110.

In addition, the TV 100 is connected to the SIP stack 104 for connecting a session for transmitting a program to the terminal 200, and a connection agent 107 for a call connection with the terminal 200, RTP / RTCP stack 103 for transmitting data such as a program to the terminal 200 and a program recorded by the recording agent 106 and stored in the program storage unit 108 to the terminal 200. And a AV-based compression module 101 for compressing the program data, and a SIP-based control module 102 for controlling the TV using the external terminal 200.

3 is a diagram illustrating an embodiment of a terminal for viewing a program according to the present invention.

The terminal 200 includes an internet module 211 for connecting to an internet network, a reception module 210 for receiving data such as a program from the TV 100, and a transmission module 209 for transmitting data of the terminal. ), A connection agent 207 for connecting with the TV 100, a control agent 205 for operating and controlling the connected TV 100, and a session with the TV 100 to transmit control information and the like. SIP stack 204, which is a protocol, a program agent 206 for selecting a program to play, store or receive a program received from the TV 100, and RTP / RTCP for receiving program data actually selected by the terminal. A stack 203, an AV restoration module 201 for restoring program data received through the RTP / RTCP stack 203, and a program player 202 for playing the restored program. to do.

In addition, the terminal 200 further includes a program buffer 208 that temporarily stores data in order to receive a program that is currently being broadcast through the TV 100 in real time.

In relation to this, although the components of the terminal are not shown in the drawings, it is a fact that the storage unit for storing the program data received from the TV 100 is obvious. Part of entering the general terminal has not been described in detail herein.

4 is a view for explaining a virtual streaming technology for viewing a program according to the present invention.

In the virtual streaming, the TV 100 first starts to store a front part of a program transmitted by an external program provider in a buffer configured in the TV 100. After a predetermined time, when enough buffers of program data are filled in the buffer, This is converted into a packet for transmission to be transmitted to the terminal 200.

At this time, even during the packet conversion for transmission and the transmission of the converted program packet, the current program is continuously stored in the corresponding buffer. A buffer that does this is referred to in the figure as a virtual streaming buffer.

In this regard, the predetermined time is preferably within a few seconds (for example, 0.01 seconds to 10 seconds), and the part controlling the transmission of the program data to the terminal 200 by converting the program data into a transmission packet is shown in the drawings. Although not shown, it is preferable that a buffer module for this purpose is provided in the TV 100, or the control module 102 is in charge of it.

Programs transmitted from the TV 100 and received by the terminal 200 are temporarily stored in the program buffer 208 of the terminal 200 and played back so that a user can watch the programs through the terminal 200. do.

In this manner, a program can be viewed in a situation in which there is a delay of several seconds between a program viewed on a TV and a program received and played by the terminal. It is more desirable that there is little such delay.

5 is a flowchart illustrating an embodiment of a method for viewing a program according to the present invention.

First, a session using SIP is connected between the terminal and the TV (S100).

The terminal transmits a message including a specific command to the TV using the SIP (S101). In this case, the specific command included in the message may be a channel change command, a program recording command, a program transfer command, a program schedule transfer command, or the like of the TV.

The TV receiving the message including the specific command interprets the specific command in the message, and determines whether the specific command is a channel change command (S102).

As a result of the determination (S102), if the specific command is a channel change command, the TV changes to the channel selected by the terminal (S103).

However, as a result of the determination (S102), the specific command is not a channel change command, or after changing the channel in the step (S103), the TV determines whether the specific command is a program recording command (S104).

As a result of the determination (S104), if the specific command is a program recording command, the TV records the selected predetermined program (S105).

However, as a result of the determination (S104), the specific command is not a program recording command, or after the program recording in the step (S105), the TV determines whether the specific command is a program transmission command (S106).

As a result of the determination (S106), if the specific command is a program transmission command, the TV transmits the selected predetermined program to the terminal (S112).

The terminal receives the program data transmitted from the TV and restores and plays the received program (S113). In this case, when the program is recorded on the TV, the playback plays the program. When the program is transmitted on the TV, the terminal user plays the program in real time to watch the program.

However, as a result of the determination (S106), if the specific command is not a program transfer command, the TV determines whether the specific command is a program schedule transfer command (S107).

As a result of the determination (S107), if the specific command is not a program schedule transmission command, the TV may determine whether it is another command without transmitting the program schedule to the terminal.

However, as a result of the determination (S107), if the specific command is a program schedule transmission command, the TV transmits the program schedule to the terminal (S109).

The transmitted program schedule is received at the terminal (S110).

In the received program schedule, a predetermined program is selected by the user interface (S111).

If the information indicating that the predetermined program is selected in step S111 is transmitted to the TV using the SIP, the TV receiving the information transmits the selected program (S112).

Thereafter, the terminal receives the program data transmitted from the TV and restores and reproduces the received program (S113).

Although the four specific examples of the specific command have been described in FIG. 5, it is obvious that the specific command may be different from the four embodiment exceptions, and the process of interpreting the specific command is one example. When interpreting a particular command, it's important to note that determining which command first depends on the configuration.

The present invention is not limited to the above-described embodiments, and can be modified by those skilled in the art as can be seen from the appended claims, and such modifications are within the scope of the present invention.

Effects of the method and apparatus for viewing a program according to the present invention described above are as follows.

First, it is possible to search for and record a desired program by manipulating a remote display with a terminal, and to provide a method and apparatus for receiving and viewing a recorded program or a real time program.

Second, not only can watch a variety of programs on the terminal, but also provides a convenient view at the desired time.

Claims (17)

In a communication environment in which a terminal and a display communicate with each other, Connecting the session with the display; Sending a command to a display via the connected session; And receiving and playing the program transmitted by the display according to the command. The method of claim 1, If the command is a program schedule transmission command, receiving and playing the program schedule, and if a specific program is selected in the program schedule, transmitting a command to inform the display of the selected program. How to watch a program on the terminal. The method of claim 1, The session connection is performed using a session initiation protocol. The method of claim 1, Receiving a program transmitted by the display is a program viewing method in a terminal, characterized in that performed using a data transmission protocol. In a communication environment in which a terminal and a display communicate with each other, Connecting a session with the terminal; Receiving a command from a terminal through the connected session; Interpreting the command and executing the command. The method of claim 5, If the command is a program transfer command, transmitting the program recorded and stored on the display. The method of claim 5, And if the command is a program transfer command, receiving the program from an external provider that provides the program on the display and transmitting the program to the terminal at the same time. The method of claim 5, And if the command is a program schedule transfer command, transmitting a program schedule. The method of claim 5, If the command is a channel change command, changing the program channel. The method of claim 5, If the command is a program recording command, recording a specific program. A session initiation protocol stack for connecting to the display and sending commands to the display; A receiving module for receiving a program from a display according to the command; A program buffer for temporarily storing the received program; Terminal for viewing a program, characterized in that it comprises a AV restoration module for restoring the stored program. The method of claim 11, And a control agent for controlling the display. The method of claim 11, The receiving module is a terminal for viewing a program, characterized in that it further comprises a data transfer protocol stack for receiving a program. A session initiation protocol stack for connecting to and receiving commands from the terminal; A control module for controlling execution of a command received from the terminal; And a sending module for sending a program under control of a control module if the received command is a program sending command. The method of claim 14, And a data transfer protocol stack for transferring the program. The method of claim 14, And a program storage unit for storing a program received from an external program provider, and an AV compression module for compression before storing the program in the program storage unit. The method of claim 14, Display for viewing the program, characterized in that it further comprises an Internet module for the external program provider and the Internet.

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