KR100884133B1 - Information exchange system between the sever and theminal for the wireless internet mutimedia services and method thereof - Google Patents

Abstract

The present invention relates to a system for exchanging information between a server and a terminal for a wireless Internet multimedia service, and a method thereof. In particular, the information exchanging method of the present invention accesses a WAP server through a wireless data network in a VOD terminal and a VOD content menu in a VOD terminal. If the user selects a predetermined content and the VOD terminal disconnects the WAP server and accesses the VOD server through the wireless data network, the wireless terminal requests to download the selected content to the connected VOD server and simultaneously specifies the specification of the VOD terminal. The VOD server determines whether the content requested for download from the VOD terminal corresponds to the specification information of the terminal, and if the content does not correspond to the specification information of the terminal, the VOD server matches the content according to the specification information through the content conversion unit. Converting the data to the VOD terminal via wireless data network . Therefore, the present invention can provide multimedia contents modified to suit various specifications of the VOD terminal.

Description

Information exchange system between server and terminal for wireless internet multimedia service and method thereof {INFORMATION EXCHANGE SYSTEM BETWEEN THE SEVER AND THEMINAL FOR THE WIRELESS INTERNET MUTIMEDIA SERVICES AND METHOD THEREOF}

1 is a view showing an information exchange system between a server and a terminal for a wireless Internet multimedia service according to the prior art;

2 is a flowchart illustrating an operation of a multimedia content service in the system of FIG. 1;

3 is a diagram showing an information exchange system between a server and a terminal for a wireless Internet multimedia service according to the present invention;

4 is a flowchart illustrating a multimedia service operation process in the system of FIG. 3.

<Description of the code | symbol about the principal part of drawing>

10: VOD terminal 20: wireless data network

30: WAP server 40: VOD server

50: content database 60: encoder

70: Converter 80: Existing Internet VOD Content

90: Multimedia of real-time broadcast / audio / video recorder                 

100: content conversion unit

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to wireless internet multimedia service technology, and more particularly, to a server for a wireless internet multimedia service that converts and services multimedia content such as video on demand (VOD) according to a specification of a wireless terminal. And an information exchange system between the terminal and the terminal.

Currently, wireless data networks are growing faster than other broadcasting media (radio, TV, cable broadcasting, etc.) due to the increasing number of users using wireless communication. In recent years, wireless Internet services have provided various high quality multimedia VOD contents to wireless terminals according to the development of advanced technologies such as real time video transmission technology, location tracking, and voice recognition. A wireless terminal capable of providing various multimedia VOD contents services such as a video image file and a music file through the wireless data network includes a terminal for IMT-2000. The wireless terminal for VOD content service (hereinafter referred to as a VOD terminal) is equipped with a WAP browser and a VOD player so that VOD content data can be downloaded from a service server through a wireless data network and played back. .

1 is a view showing an information exchange system between a server and a terminal for a wireless Internet multimedia service according to the prior art. Referring to FIG. 1, the conventional system includes a VOD terminal 10, a wireless data network 20, a WAP server 30, a VOD server 40, and a database 50 storing compressed multimedia content. The converter 60 converts the multimedia V90 contents of the real-time broadcast / audio / video recorder to the VOD server 40 and provides the encoder 60 and the existing Internet VOD contents 80 so as to be compatible. It further includes 70.

A method of operating an information exchange system between a server and a terminal for a conventional wireless Internet multimedia service configured as described above with reference to FIG. 2 will be described. 2 is a flowchart illustrating an operation of a multimedia service in the system of FIG. 1.

First, when the user selects the VOD service menu of the WAP browser in the VOD terminal 10, the VOD terminal 10 is connected to the WAP server 30 having the VOD content menu page through the wireless data network 20. S10)

The WAP server 30 delivers the VOD content menu page to the WAP browser of the connected VOD terminal 10. Accordingly, the user searches a VOD content menu displayed on the WAP browser and selects a certain content (S12).

Then, the VOD terminal 10 stores the selected content URL address and requests the selected content URL. In response, the WAP server 30 transmits the detailed information of the corresponding content to the WAP browser of the VOD terminal 10 in a script manner such as designated WML (Wireless Markup Language). The WAP browser of the VOD terminal 10 receiving the script such as WML receives a high speed channel by changing a mux option according to the MO (Mux Option) value received from the WAP server 30.

The VOD terminal 10 disconnects the WAP session with the WAP server 30 and disconnects the connection. The VOD player in the VOD terminal 10 receives a script such as WML received from the WAP server 30 through the WAP browser. The VOD server 40 is connected to the VOD server 40 through the wireless data network 20 using the URL having the location and file name of the content in the detailed information.

Then, the VOD terminal 10 requests the download of the content selected by the user to the connected VOD server 40 using a protocol such as Delivery Multimedia Integration Framework (DMIF). In this case, the display of the VOD terminal 10 indicates that various contents-related information (such as the title of the content) and the VOD server 40 are currently connected through a script such as WML received from the WAP server 30. do.

Then, when ready to download / play in the VOD player of the VOD terminal 10, using a protocol such as DMIF sends a download / play command to the VOD server 40 via the wireless data network 20. The VOD server 40 sends a command for recognizing a protocol such as DMIF and converts the VOD content for multimedia 90 of the real-time broadcast / audio / video recorder compressed by the encoder 60 and the VOD content converted through the converter 70. 80, or transmits the content 50 stored in the database 50. (S18) Then the VOD player of the VOD terminal 10 receives the recognition command to download and store or download the content and play simultaneously.

However, the multimedia contents service of the prior art supports VOD terminals capable of playing MPEG4 contents. However, when the specifications of the VOD terminals are diversified in the future, the information of the contents cannot be modified and reproduced according to the specifications of these terminals.

An object of the present invention is to solve the problems of the prior art VOD terminal to send its own terminal specification to the VOD server VOD server using a variety of VOD terminal by having a device for converting the information of the content according to the terminal specification An object of the present invention is to provide an information exchange system between a terminal and a server for a wireless internet multimedia service in which a user can download multimedia contents according to terminal information.

Another object of the present invention is that the VOD terminal sends its terminal specification to the VOD server VOD server converts the information of the content in accordance with the terminal specification and transmits to the VOD terminal to modify the multimedia content for various VOD terminals to provide The present invention provides a method for exchanging information between a server and a terminal for a wireless internet multimedia service.

In order to achieve the above object, the present invention provides a system for providing VOD content through a wireless data network to a wireless terminal having a VOD player, comprising: a WAP server for providing VOD content menu information to a wireless terminal through a wireless data network; Converts the selected video and audio VOD contents according to the terminal specification information transmitted from the wireless terminal to the VOD server and provides the selected video and audio VOD contents to the wireless terminal according to the content selection of the VOD content menu information provided by the server. And a content conversion unit provided to the VOD server.

According to an aspect of the present invention, there is provided a method of providing VOD content to a wireless terminal having a VOD player through a wireless data network, the method comprising: accessing a WAP server through a wireless data network at a wireless terminal; Searching the VOD content menu and selecting predetermined content; disconnecting the WAP server from the WAP server and accessing the VOD server through the wireless data network; and requesting to download the selected content to the connected VOD server. And transmitting the specification information of the wireless terminal, and determining whether the content requested by the wireless terminal corresponds to the specification information of the corresponding wireless terminal, and the VOD server, the specification information of the wireless terminal. If it does not correspond to the specification information through the content conversion unit And converting the content, and the VOD server receives the video and audio information of the converted content through the content converter and delivers the video and audio information to the wireless terminal through the wireless data network.

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

3 is a diagram illustrating an information exchange system between a server and a terminal for a wireless Internet multimedia service according to the present invention. Referring to FIG. 3, the system of the present invention includes a wireless terminal (hereinafter referred to as a 'VOD terminal') 10, a wireless data network 20, a WAP server 30, a VOD server 40, and compressed multimedia content. It is composed of a stored database 50, the content conversion unit 100. As in the related art, the system of the present invention provides an encoder 60 and an existing Internet VOD content 80 which compress and provide the multimedia 90 VOD contents of other real-time broadcast / audio / video recorders to the VOD server 40. It further includes a converter 70 that converts to provide compatibility.

Here, the content conversion unit 100 of the present invention converts the video and audio VOD content selected from the service menu according to the terminal specification information transmitted from the VOD terminal 10 to the VOD server 40 and provides it to the VOD server 40. do. In this case, the terminal specification information includes the version of the VOD player of the VOD terminal 10, the type and display color of the display, the vocoder type, the visual profile details, and the audio tool details.

Next, a method of operating an information exchange system between a server and a terminal for a wireless Internet multimedia service of the present invention configured as described above with reference to FIG. 4 will be described. 4 is a flowchart illustrating a process of operating a multimedia content service in the system of FIG. 3.

First, when the user selects the VOD service menu of the WAP browser in the VOD terminal 10, the VOD terminal 10 is connected to the WAP server 30 having the VOD content menu page through the wireless data network 20. S100)

The WAP server 30 delivers the VOD content menu page to the WAP browser of the connected VOD terminal 10. Accordingly, the user searches a VOD content menu displayed on the WAP browser and selects a certain content (S102).

Then, the VOD terminal 10 stores the selected content URL address and requests the selected content URL. In response, the WAP server 30 transmits detailed information of the corresponding content to the WAP browser of the VOD terminal 10 in a script manner such as a designated WML. The WAP browser of the VOD terminal 10 receiving the script such as WML changes the MUX option according to the MO value received from the WAP server 30 to allocate a high speed channel.

The VOD terminal 10 disconnects the WAP session with the WAP server 30 and disconnects the connection. The VOD player of the VOD terminal 10 is located in the detailed information of the WML script received from the WAP server 30 through the WAP browser. The URL having the location and file name of the content is used to access the VOD server 40 through the wireless data network 20 (S104).

Then, the VOD terminal 10 requests the download of the content selected by the user to the connected VOD server 40 using a protocol such as DMIF, which is a transmission protocol. At the same time, the VOD terminal 10 transmits the specification information of the wireless terminal to the connected VOD server 40. (S106) For example, the specification information of the terminal is a version, display of the VOD player of the VOD terminal 10. Type and support color, vocoder type, visual profile details, audio tool details, and more. In addition, the VOD display of the VOD terminal 10 indicates that various contents-related information (such as the title of the content) and the VOD server 40 are currently connected through a script such as WML received from the WAP server 30.

Then, when ready to download / play in the VOD player of the VOD terminal 10, the download / play command is sent to the VOD server 40 via the wireless data network 20 using the DMIF protocol. Accordingly, the VOD server 40 sends a command for recognizing a protocol such as DMIF and determines whether the content downloaded / played by the VOD terminal 10 corresponds to the specification information of the corresponding VOD terminal (S108).

As a result of the determination in S108, when the content requested for download / play does not correspond to the specification information of the VOD terminal 10, the VOD server 40 converts the content according to the specification information through the content conversion unit 100 (S110). For example, the content information to be transmitted is converted according to the specifications of the VOD terminal 10, that is, the version of the VOD player, the type and display color of the display, the vocoder type, the visual profile details, the audio tool details, and the like.

Then, the content converted according to the VOD terminal 10 specifications through the content conversion unit 100 is transmitted from the VOD server 40 to the VOD terminal 10 via the wireless data network 20. Then, the VOD player of the VOD terminal 10 downloads and stores or downloads the contents converted according to the VOD terminal 10 specifications and simultaneously plays them.

If the S108 determines that the content requested for download / play corresponds to the specification information of the VOD terminal 10, the VOD server 40 immediately delivers the requested content to the VOD terminal 10 without passing through the content conversion unit 100. do.

As described above, the present invention allows the VOD terminal to send the detailed specification of its terminal to the VOD server, and the VOD server converts the information of the content according to the terminal specification and transmits the information of the content to the VOD terminal. The multimedia content can be modified and provided accordingly.

Therefore, the present invention can prevent the content compatibility problem occurring in the VOD terminal of the various specifications and the VOD server providing fixed multimedia content.

On the other hand, the present invention is not limited to the above-described embodiment, various modifications are possible by those skilled in the art within the spirit and scope of the present invention described in the claims to be described later.

Claims (7)

delete In the system for providing VOD content over a wireless data network to a wireless terminal having a video on demand (VOD) player, A WAP server providing VOD content menu information to the wireless terminal through a wireless data network; A VOD server providing selected video and audio VOD content to the wireless terminal according to content selection of VOD content menu information provided from the WAP server; And A content conversion unit converting the selected video and audio VOD content according to terminal specification information transmitted from the wireless terminal to the VOD server and providing the converted VOD content to the VOD server; The terminal specification information includes the version of the VOD player of the wireless terminal, the type and display color of the display, the vocoder type, the visual profile details, and the audio tool details. Period Information Exchange System. In the system for providing VOD content over a wireless data network to a wireless terminal having a video on demand (VOD) player, A WAP server providing VOD content menu information to the wireless terminal through a wireless data network; A VOD server providing selected video and audio VOD content to the wireless terminal according to content selection of VOD content menu information provided from the WAP server; And A content converter converting the selected video and audio VOD content according to the terminal specification information transmitted from the wireless terminal to the VOD server and providing the converted VOD content to the VOD server; And An encoder that compresses and provides multimedia VOD contents of a real-time broadcast / audio / video recorder to the VOD server, and a converter that converts and provides internet VOD contents to be compatible. Information exchange system between the server and the terminal for a wireless Internet multimedia service comprising a. The system of claim 2, further comprising a database storing compressed multimedia content provided to the VOD server. delete A method for providing VOD content over a wireless data network to a wireless terminal having a video on demand player, Accessing a WAP server from the wireless terminal through the wireless data network; Searching for a VOD content menu and selecting predetermined content in the wireless terminal; Disconnecting the WAP server from the wireless terminal and accessing a VOD server through the wireless data network; Transmitting, by the wireless terminal, specification information of the wireless terminal at the same time as requesting download of selected content to the connected VOD server; Determining, by the VOD server, whether the content requested for downloading from the wireless terminal corresponds to specification information of the wireless terminal; The VOD server converting the content according to the specification information through a content conversion unit when the content requested for download does not correspond to the specification information of the wireless terminal; And The VOD server receives the video and audio information of the converted content through the content conversion unit and delivers it to the wireless terminal through the wireless data network, The terminal specification information includes a version of the VOD player of the wireless terminal, a type and display color of a display, a vocoder type, a visual profile history, and an audio tool description. A method for providing VOD content over a wireless data network to a wireless terminal having a video on demand player, Accessing a WAP server from the wireless terminal through the wireless data network; Searching for a VOD content menu and selecting predetermined content in the wireless terminal; Disconnecting the WAP server from the wireless terminal and accessing a VOD server through the wireless data network; Transmitting, by the wireless terminal, specification information of the wireless terminal at the same time as requesting download of selected content to the connected VOD server; Determining, by the VOD server, whether the content requested for downloading from the wireless terminal corresponds to specification information of the wireless terminal; The VOD server converting the content according to the specification information through a content conversion unit when the content requested for download does not correspond to the specification information of the wireless terminal; And The VOD server receives the video and audio information of the converted content through the content conversion unit and delivers it to the wireless terminal through the wireless data network, The VOD server may include transmitting the requested video and audio VOD content to the wireless terminal through the wireless data network without passing through the content conversion unit when the downloaded content corresponds to specification information of the wireless terminal. Wireless Internet content service method.

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