KR20080066513A - Meta data information providing server, client apparatus, method for providing meta data information, and method for providing contents - Google Patents

Abstract

A server and a method for providing metadata, and a client device and a contents providing method thereof are provided to offer a user the metadata efficiently even though the client device includes no high capacity memory, and enable the user to obtain the contents efficiently through two-way communication by using the received metadata. A metadata generator(206) generates metadata for contents. A metadata transmitter(208) controls connection of a client device(400). The metadata includes basic metadata for searching contents information in the client device and detail metadata for the contents included in the basic metadata. The metadata transmitter transmits the basic metadata in an early stage connecting to the client device and transmits the detail metadata by a request of the client device. The basic metadata includes search information for searching the contents and connection information needed for determining priority for connecting the client device to at least one contents providing server(210).

Description

Meta data information providing server, client apparatus, method for providing meta data information, and method for providing contents}

1 is a view showing a conventional content providing service.

2 is a diagram illustrating an environment for providing a content service according to an embodiment of the present invention.

3 illustrates basic metadata information according to an embodiment of the present invention.

4 illustrates TV-Anytime metadata.

5 is a diagram illustrating a client device selecting a content providing server for obtaining content using connection information according to an embodiment of the present invention.

6 is a diagram illustrating a metadata and content providing system including a metadata information providing server, a content providing server, and a client device according to an embodiment of the present invention.

7 is a block diagram showing a configuration of a client device according to an embodiment of the present invention.

8 is a diagram illustrating a metadata information providing process and a content providing process according to an embodiment of the present invention.

9 is a flowchart illustrating a method of providing metadata information according to an embodiment of the present invention.

10 is a flowchart illustrating a content providing method according to an embodiment of the present invention.

The present invention relates to metadata information about content and an apparatus and method for efficiently providing the content to a user, and more particularly, to a metadata information providing server, a client device, and a client device that provides metadata information. A method of providing data information and content.

1 is a view showing a conventional content providing service.

The broadcast service provider 110 transmits metadata information such as content and EPG information to the user terminal device 120 through a broadcast network such as terrestrial, satellite, and cable. The broadcast service provider 110 extracts a feature from broadcast multimedia content to generate metadata, edits the metadata, compresses the content with the metadata, and transmits unidirectionally through the broadcasting network through synchronization and multiplexing.

The user terminal device 120 unilaterally receives and stores metadata and content such as EPG information provided from the broadcast service provider 110 through a broadcast network, and provides the same to the user. The user terminal device 120 may include a communication module for bidirectional communication to receive various services from the content service provider 130 providing content through a bidirectional communication network.

The content service provider 130 may use various services such as information about the search and location of the content, interactive metadata, or content received from the content service provider 110 through an interactive network such as the Internet or a public switched telephone network (PSTN). Provided to the terminal device 120.

TV-Anytime is a technology that enables a user to watch active content through efficient data transmission and two-way communication between a user and a service provider. TV-Anytime can select and consume desired A / V content at a desired time in a terminal having a mass storage medium, that is, a personal digital recorder (PDR) -oriented consumption environment. Meta-data in TV-Anytime is technical information related to the content so that the user or an agent on behalf of the user can easily browse or select the content desired by the user. A / V content and EPG information metadata are based on unidirectional transmission, and some additional EPG information may be bidirectionally transmitted.

However, such a service assumes that the user terminal device 120 is a home broadcast receiver or a set-top box including a high-capacity storage medium, and is difficult to apply when the user terminal device 120 is a portable terminal. For example, when the content service provider 110 provides EPG information through a broadcasting network, all the broadcast program information included in the EPG information is transmitted. Therefore, the portable terminal device stores the EPG information using a high capacity memory. There is a problem that must be used. In addition, when the user terminal device 120 is a portable terminal device, there is a need for a method for efficiently obtaining desired content through a bidirectional communication network on a screen provided for searching for content.

An object of the present invention is to provide a metadata information providing server and a client device for efficiently providing metadata information even when a client device does not use a high capacity memory by using a method of providing metadata information about a content. It is to provide a method for providing metadata.

Another object of the present invention is to provide a client device and a content providing method for efficiently obtaining content through a bidirectional communication network using received metadata information.

Meta data information providing server according to an aspect of the present invention for solving the above technical problem is a metadata information generation unit for generating metadata information for at least one content; And a metadata information transmission unit for controlling a connection with a predetermined client device, wherein the metadata information is related to basic metadata information for retrieving content information from a client device and content information included in the basic metadata information. Includes detailed metadata information, which is detailed information, wherein the metadata information transmission unit transmits the basic metadata at the initial connection with a predetermined client, and transmits the detailed metadata information at the request of the predetermined client.

The client device according to another aspect of the present invention for solving the above technical problem is to communicate with the metadata information providing server for providing metadata information for at least one content and at least one content providing server for providing the content. A communication unit for controlling; A metadata information processor configured to process metadata information received from the metadata information providing server; A content processing unit which processes the content received from the content providing server; And providing the at least one content by using the access information which is transmitted at an initial connection with the metadata information providing server and is information on at least one content providing server included in basic metadata information provided for searching for content. It includes a control unit for controlling the connection to the server.

Meta data information providing method according to another aspect of the present invention for solving the above technical problem is provided for searching for the content from a metadata information providing server for providing metadata information for at least one content Receiving basic metadata information including the information; Providing the basic metadata information; Requesting detailed metadata information of one piece of content information included in the basic metadata information from the metadata information providing server; And receiving the requested detailed metadata information from the metadata information providing server.

According to yet another aspect of the present invention, there is provided a content providing method comprising: accessing a metadata information providing server that provides metadata about at least one content; Receiving, from the metadata information providing server, basic metadata information including access information which is information on at least one content providing server providing content as information provided for searching for the content; And when predetermined content is selected, accessing one content providing server of at least one content providing server providing the selected content using the access information to obtain the selected content.

Hereinafter, with reference to the accompanying drawings will be described in detail according to a preferred embodiment of the present invention.

In the present specification, the content includes various multimedia contents such as broadcast content and A / V content. If the content is predetermined media content, there is no limitation on the content or format. Therefore, the content includes not only the content produced by the content producer but also UCC (User Creative Contents) created and distributed by an individual. Meta data refers to additional information about the content as data about data. If the content is broadcast content, the metadata information may include EPG information.

2 is a diagram illustrating an environment for providing a content service according to an embodiment of the present invention.

The metadata information providing server 200 provides metadata information to the client device 400. According to an embodiment of the present invention, the metadata information providing server 200 does not provide all the metadata information to the client device 400, and transmits basic metadata information when the client device 400 is connected. When the client device 400 requests, the detailed metadata information about the predetermined content is transmitted.

The content providing servers 210 to 240 are servers that commonly provide predetermined content desired by a user. For example, one side of a TV drama, which is desired by a user, may be commonly provided by a plurality of content providing servers 210 to 240 as shown in FIG. 2. Of course, the metadata information providing server 200 may be configured as a server that provides both metadata information and content, including at least one of the content providing servers 210 to 240.

The client device 400 accesses one of the content providing servers of the metadata information providing server 200 and the content providing servers 210 to 240 through a bidirectional communication network to receive the metadata information and the content and provide them to the user. Basic metadata information will be described with reference to FIG. 3.

3 is a diagram illustrating basic metadata information according to an embodiment of the present invention. The basic metadata information 10 is basically information for retrieving content from the client device 400. The basic metadata information 10 includes access information 20 and search information 30.

According to an embodiment of the present invention, the access information 20 includes address information 22 for accessing the content providing server and state information 24 for the connection state with the content providing server. The address information 22 may include information about an IP and a port number. The status information 24 includes at least one of the maximum number of users who can be connected to the content providing server, the number of users who are connected to the broadcast service providing server, and the data transmission speed.

The access information 20 may be defined for each predetermined content. When there are a plurality of content providing servers that provide predetermined content in common, as shown in FIG. 2, the access information may include address information 22 of each of the plurality of content providing servers that provide the predetermined content with respect to the predetermined content. ) And status information 24.

The search information 30 is information necessary for the user to search for content. For example, the search information 30 is information for providing the user with basic information about the content on the screen of the client device 400 in the existing metadata such as TV-Anytime metadata. For example, when the content is broadcast content, the search information 30 includes information such as a broadcaster, a broadcast channel, a program name, a program airing time, and the like.

The search information 30 may further include basic information necessary for the client device 400 to play the content. For example, the search information 30 may further include video data resolution, audio data sampling rate, and the like necessary for the client device 400 to play the broadcast program. The search information 30 may be generated by extracting representative metadata from detailed metadata information, for example, a TV-Anytime metadata table list.

4 is a diagram illustrating TV-anytime metadata.

The detailed metadata information according to an embodiment of the present invention is metadata information other than the basic metadata information 10. For example, when the broadcast program is a drama "Star Trek, 15", the detailed meta data may include 15 synapses, starring, and detailed information about the characters.

Detailed metadata information transmitted from the metadata information providing server 200 to the client device 400 at the request of a user according to an embodiment of the present invention may have the same format as the TV-anytime metadata. TV-Anytime metadata includes content description metadata, instance description metadata, consumer metadata, and segmentation metadata as shown in FIG. 4. Include.

The content description metadata is metadata (for example, a broadcast program) or metadata describing a group of content. Instance description metadata is metadata associated with the execution of a program. Consumer metadata is metadata that describes user preferences and usage history. Segmentation metadata is metadata that describes a part of a program.

Referring back to FIG. 2, according to an embodiment of the present invention, the metadata information providing server 200 transmits basic metadata information 10 at an initial connection with the client device 400. Since the detailed metadata information has a form as shown in FIG. 4 for each content, when the detailed metadata information for all the contents is transmitted, the amount of transmission becomes enormous.

However, according to an embodiment of the present invention, the client device 400 provides a metadata information providing screen generated using the basic metadata information 10 and provides metadata information about predetermined content desired by the user. Requests the metadata information providing server 200 to receive detailed metadata information of the desired content. In the case of receiving and storing meta data about all contents unilaterally, a high capacity memory is required, but according to the present invention, the client device 400 may request and receive only necessary detailed metadata information. There is no need to mount the.

In addition, when the user selects one piece of content information provided from the basic metadata information 10 to request playback of the selected content, the client device 400 is already included in the basic metadata information 10 and transmitted. Since it has address information 22 and status information 24 necessary for accessing the content providing servers 210 to 240 that provide the contents of the content, it is possible to quickly access the content providing servers 210 to 240 to obtain the content. Can be. Therefore, according to the present invention, when the metadata information does not include the information about the content providing server, the client device 400 requests the metadata information providing server 200 again for information necessary for accessing the content providing server. The problem of accessing the content providing server can be solved only after passing through the process of receiving the data.

5 is a diagram illustrating that a client device selects a content providing server for obtaining content using connection information according to an embodiment of the present invention.

According to an embodiment of the present invention, when the client device 400 accesses the metadata providing server 200, the client device 400 receives basic metadata information 10 at the initial connection. Since the basic metadata information 10 includes access information as described above, the client device 400 may access the desired content providing server using the access information and receive the content.

The access information includes address information 22 for accessing at least one content providing server and status information 24 of at least one content providing server. The status information 24 includes at least one of the maximum number of users who can be connected to the content providing server, the number of users who are connected to the broadcast service providing server, and the transmission speed. Accordingly, the client device 400 sets the priority of connection to each of the at least one content providing server using the state information 24 to connect to one content providing server among the content providing servers according to the connection priority. You can try The method of determining the connection priority may be performed in various ways by using each piece of information constituting the state information 24.

As shown in FIG. 5, when the user requests the reproduction of "Star Trek Episode 15" in the television series, the client device 400 sets a connection priority to the content providing servers 210 to 240. The content providing server having the highest priority can be determined as a content providing server that can receive the optimal content. If the content providing server 220 of the content providing servers 210 to 240 is determined to have the highest priority of access, the client device 400 may preferentially access the content providing server 220 and receive the content. .

6 is a diagram illustrating a metadata and content providing system including a metadata information providing server, a content providing server, and a client device according to an exemplary embodiment.

The metadata information providing server 200 according to an embodiment of the present invention includes an information collecting unit 202, a storage unit 204, a metadata information generating unit 206, and a metadata information transmitting unit 208. .

The information collecting unit 202 collects metadata information about the content. The information collecting unit 202 receives information about a content service from the content providing server 210 as shown in FIG. 6, or metadata from an external database (not shown) that stores metadata about the content. Can be collected.

In addition, the information collecting unit 202 connects to at least one content providing server including the content providing server 210 and collects information on the network state of each content providing server. Information about the network state of each content providing server is used to generate access information included in the basic metadata information 10. The storage unit 204 stores the information collected from the information collecting unit 202.

The metadata information generation unit 206 uses the collected information to provide the basic metadata information 10 provided for the search in the client device 400 and the respective content information included in the basic metadata information 10. Generates detailed metadata information which is detailed information about the information.

The meta data information transmitter 208 performs a process for transmitting meta data information and transmits the processed meta data information to the client device 400 for transmission. In the case of TV-Anytime metadata, the metadata information is transmitted through fragmentation, binary encoding, and encapsulation in the metadata information transmission unit 208.

In the fragmentation process, metadata is classified into content description, instance description, consumer, segmentation metadata, and the like. These metadata are transmitted in units of "fragments" that can be independently transmitted, updated, and accessed. Encoding is an encoding scheme for reducing the size of each fragment in the form of text generated after fragmentation, increasing bandwidth efficiency, and increasing decoding efficiency, and TV-Anytime uses the Binary format for MPEG-7 (BiM) of MPEG-7. It is recommended to use. Encapsulation is a process of encapsulating each encoded fragment into an access unit called a data container by attaching version information and identifier information.

The metadata information transmitting unit 208 transmits basic metadata at the initial connection with the predetermined client device 400, and the detailed metadata information is transmitted at the request of the predetermined client.

The configuration of the following content providing server 210 will be described. The content providing server 210 includes a service information transmitter 212, a database 214, and a content transmitter 216.

The service information transmitter 212 transmits configuration information about content, such as service information required to generate the metadata information in the metadata information providing server 200, to the metadata information providing server 200. The service information transmitter 212 may retrieve service information about each content from the database 214 and transmit the service information to the metadata information providing server 200.

The content transmitter 216 transmits the requested content to the client device 400 in response to the content request from the client device 400.

The client device 400 may include a metadata information processor 420 for processing metadata information and a content processor 450 for decoding content. The metadata information processing unit 420 mainly processes and outputs metadata information received from the metadata information providing server 200. The content processor 450 processes and outputs the content received from the content providing server 250.

7 is a block diagram illustrating a configuration of a client device according to an embodiment of the present invention.

Client device 400 according to an embodiment of the present invention, the communication unit 410, metadata information processing unit 420, control unit 430, storage unit 440, content processing unit 450, user input unit 460 And an output unit 470.

The communication unit 410 controls data transmission and reception with the metadata information providing server 200 and the content providing server 210.

The metadata information processing unit 420 processes metadata information received from the metadata information providing server 200. When the communication unit 410 accesses the metadata information providing server 200, the communication unit 410 receives basic metadata information 10 from the metadata information providing server 400.

The metadata information processing unit 420 processes the basic metadata information 10 and outputs it to the output unit 470 to provide the basic metadata information 10 to the user. For example, an EPG screen may be provided to provide basic metadata information 10.

The controller 430 controls data transmission and reception between each component included in the client device 400. The controller 430 controls access to at least one content providing server by using access information that is information on at least one content providing server included in basic metadata information provided for searching for content.

Meanwhile, the controller 430 transmits a request signal for requesting detailed metadata information of one piece of content information included in the basic metadata information 10 to the metadata information server 200. Here, one piece of content information among the content information included in the basic metadata information 10 may be selected according to a user input signal input through the user input unit 460. Then, the controller 430 controls the communication unit 410 to receive the detailed metadata information requested from the metadata information providing server 200. As such, since the detailed metadata information is selectively received only for the content desired by the user, the client device 400 can efficiently receive and use the metadata without using a large memory as in the prior art.

When search word information is input as a request signal for requesting detailed information on predetermined content information through the user input unit 460, the controller 430 processes necessary to transmit the search word information to the metadata information providing server 200. Can be performed.

On the other hand, when a user input signal for requesting reproduction of the selected content among the contents included in the basic metadata information 10 is received from the user input unit 460, the controller 430 controls the communication unit 410 to display the selected content. The priority of connection to at least one content providing server to be provided is determined. The controller 430 determines the priority of access to at least one content providing server by using the basic metadata information 10, in particular, the state information 24 included in the access information.

The controller 430 may be configured to perform at least one content providing apparatus using the state information 24 including at least one of a maximum number of accessors that can be connected to the content providing server, a number of accessors connected to the broadcasting service providing server, and a transmission speed. The access priority can be determined. At this time, the at least one content providing device refers to a content providing device that provides the content desired by the user in common. When the access priority is determined, the controller 430 may control the communication unit 410 to access the content providing device having the highest priority using the address information 22 of the content providing device having the highest priority.

In addition, the controller 430 may control the communication unit 410 to sequentially attempt to connect to at least one content providing server according to the determined access priority. For example, the controller 430 may attempt to connect to the content providing server having the highest priority of access and then, if the connection is not established, attempt to access the content providing server having the next priority. When connected to one of the at least one content providing server, the controller 430 controls the communication unit 410 to request the selected content from the connected content providing server, and receives the requested content.

When the content is received, the content processing unit 450 processes the content received from the content providing server.

The storage unit 440 stores the received basic metadata information. Detailed metadata information is temporarily stored.

The user input unit 460 receives a user input signal and transmits it to the control unit 430. The controller 430 controls the overall client device 400 to perform an operation according to a user input signal.

The output unit 470 may be configured as a display device (not shown), an audio output device (not shown), or the like for outputting output metadata and content.

8 is a diagram illustrating a metadata information providing process and a content providing process according to an embodiment of the present invention.

The content providing server 210 transmits service information to the metadata information providing server 200. The metadata information providing server 200 generates metadata information by using the received service information. In addition, the metadata information providing server 200 collects information on the network status of each of the at least one content providing server including the content providing server 210, and uses the collected information to display the basic metadata information 10. Create

When the client device 400 accesses the metadata information providing server 200, the metadata information providing server 200 transmits basic metadata information 10 to the client device 400. When the client device 400 provides the basic metadata information 10 to the user and the user inputs a user input signal for requesting detailed information of the specific content, the client device 400 responds to the user input signal in response to the user input signal. Request detailed metadata information. Then, the metadata information providing server 200 transmits the requested content detail metadata information to the client device 400.

Meanwhile, when the user selects a specific content and requests playback of the selected content while viewing the basic metadata information 10, the client device 400 selects predetermined content included in the received basic metadata information 10 in advance. By using the address information 22 and the state information 24 of at least one content providing server for providing a content, a content providing server capable of providing content in an optimal state may be determined. When the determined content providing server is the content providing server 210, the content providing server 210 requests the selected content. The content providing server 210 transmits the content requested by the client device 400. The client device 400 may process the received content and provide it to the user.

9 is a flowchart illustrating a method of providing metadata information according to an embodiment of the present invention.

In operation S 910, the client device 400 accesses a metadata information providing server 200 that provides metadata about at least one content.

In operation S 920, the metadata information providing server 200 receives basic metadata information 10 including information provided to the user for searching for content.

In operation S 930, the client device 400 processes the received basic metadata information 10 and provides the same to the user.

If a user input signal for requesting detailed information on one of the content information included in the basic metadata information 10 is received in step S 940, the client device 400 may request the detailed information in step S 950. The meta data information providing server 200 requests the corresponding detailed metadata information.

In operation S 960, the client device 400 receives and processes detailed metadata information requested from the metadata information providing server 200 and provides the same to the user.

10 is a flowchart illustrating a content providing method according to an embodiment of the present invention.

In operation S 1010, the client device 400 accesses a metadata information providing server 200 that provides metadata about at least one content.

In operation S 1020, the client device 400 receives basic metadata information 10, which is information provided for searching for content, from the metadata information providing server 200. The basic metadata information 10 includes access information that is information about at least one content providing server that provides predetermined content.

In operation S 1030, the client device 400 processes the basic metadata information 10 and provides the basic metadata information 10 so that the content information can be retrieved.

In operation S 1040, when a user input signal for selecting a predetermined content and requesting acquisition of the selected content is received, in operation S 1050, the client device 400 may use the access information included in the basic metadata information 10. One of the at least one content providing server providing the selected content is connected to the content providing server, and the content is received from the connected content providing server in step S 1060.

The client device 400 determines connection priority for at least one content providing server that provides predetermined content by using the connection information included in the basic metadata information 10, and then at least one based on the connection priority. The content can be obtained by accessing one of the content providing servers. In addition, when the client device 400 accesses one of the at least one content providing server and acquires content based on the connection priority, the client device 400 sequentially attempts to connect to the at least one content providing server according to the determined connection priority. And, when connected to one of the at least one content providing server, the content can be requested to the connected content providing server.

The present invention can be embodied as computer readable code on a computer readable recording medium. Codes and code segments implementing the above program can be easily deduced by computer programmers in the art. Computer-readable recording media include all types of recording devices that store data that can be read by a computer system. Examples of computer-readable recording media include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical disk and flash memory. The computer readable recording medium can also be distributed over network coupled computer systems so that the computer readable code is stored and executed in a distributed fashion.

The above description is only one embodiment of the present invention, and those skilled in the art may implement the present invention in a modified form without departing from the essential characteristics of the present invention. Therefore, the scope of the present invention should not be limited to the above-described examples, but should be construed to include various embodiments within the scope equivalent to those described in the claims.

According to the present invention, when a client device accesses a metadata information providing server, first, basic metadata information may be received at the client device, and then detailed metadata information about content desired by the user may be separately received. Meta data information can be efficiently used in a client device having a. Therefore, it is not necessary to secure a separate storage space for storing metadata information in the client device.

In addition, according to the present invention, by using the basic metadata information received from the metadata information providing server, it is possible to quickly access the content providing server that provides the content desired by the user. In addition, the client device may determine the access priority of at least one content providing server that commonly provides the predetermined content by using the connection information included in the basic metadata information, thereby providing the content in an optimal state. By selecting a content providing server, you can receive quality content services.

Even if the user wants to play other content while playing predetermined content, the user can access the content providing server without requesting and receiving information about the content providing server that provides the desired content. Desired content can be provided quickly.

Claims (29)

A metadata information generator configured to generate metadata information about at least one content; And A metadata information transmission unit for controlling a connection with a predetermined client device, The metadata information includes basic metadata information for searching for content information in a client device and detailed metadata information which is detailed information about content information included in the basic metadata information. And the metadata information transmitting unit transmits the basic metadata at an initial connection with a predetermined client device, and transmits the detailed metadata information according to a request of the predetermined client device. The method of claim 1, The basic metadata information is, Search information provided for searching the content; And Information about at least one content providing server that provides the content, the metadata information providing server comprising the connection information necessary for the client device to determine the connection priority to the at least one content providing server. . The method of claim 2, And the access information includes address information for accessing the content providing server and state information indicating an operation state of the content providing server. The method of claim 3, And the state information includes at least one of a maximum number of accessors that can be connected to the content providing server, a number of accessors that are connected to the content providing server, and a data transmission rate. The method of claim 2, The access information is metadata information providing server, characterized in that the information defined for each content. The method of claim 1, And an information collector configured to collect metadata information about at least one content and information indicating a network state of the at least one content providing server. A communication unit controlling communication with a metadata information providing server for providing metadata information on at least one content and at least one content providing server for providing the content; A metadata information processor configured to process metadata information received from the metadata information providing server; A content processing unit which processes the content received from the content providing server; And The at least one content providing server is transmitted at the beginning of the connection with the metadata information providing server and is connected to at least one content providing server included in basic metadata information provided for searching for content. And a control unit for controlling a connection with the client. The method of claim 7, wherein When the communication unit connects to the metadata information providing server, the basic metadata information is received from the metadata information providing server. The control unit transmits a request signal for requesting detailed metadata information of one piece of content information included in the basic metadata information to the metadata information server, and the requested details from the metadata information providing server. And controlling the communication unit to receive metadata information. The method of claim 8, The detailed metadata information of one of the content information included in the basic metadata information is selected according to a user input signal. The method of claim 7, wherein And a storage unit for storing the received basic metadata information. The method of claim 7, wherein And when predetermined content is selected according to a content selection signal, the controller determines access priority of at least one content providing server providing the selected content by using the connection information. The method of claim 11, The control unit controls the communication unit to sequentially attempt to connect to the at least one content providing server according to the determined access priority, and when connected to one of the at least one content providing server, provides the connected content. And requesting and receiving the selected content from a server. The method of claim 7, wherein The connection information includes address information for access to the content providing server that provides predetermined content and state information indicating an operation state of the content providing server. The method of claim 13, The status information may include at least one of a maximum number of users who may be connected to the content providing server, a number of users who are connected to the content providing server, and a transmission speed. The method of claim 7, wherein The access information is a client device, characterized in that the information defined for each content. Receiving basic metadata information including information provided for searching for the content from a metadata information providing server that provides metadata information about at least one content; Providing the basic metadata information; Requesting detailed metadata information of one piece of content information included in the basic metadata information from the metadata information providing server; And Receiving the requested detailed metadata information from the metadata information providing server. The method of claim 16, The detailed metadata information of one piece of content information among the content information included in the basic metadata information is selected according to a user input signal. The method of claim 16, The basic metadata information further includes access information which is information about at least one content providing server that provides predetermined content. The method of claim 18, And the access information includes address information for accessing the content providing server and state information indicating an operation state of the content providing server. The method of claim 19, And the status information includes at least one of a maximum number of accessors that can be connected to the content providing server, a number of accessors that are connected to the broadcast service providing server, and a transmission speed. The method of claim 18, The access information is metadata information providing server, characterized in that the information defined for each content. Accessing a metadata information providing server that provides metadata about at least one content; Receiving, from the metadata information providing server, basic metadata information including access information which is information on at least one content providing server providing content as information provided for searching for the content; And And if the predetermined content is selected, accessing one of the at least one content providing server providing the selected content using the access information to obtain the selected content. Way. The method of claim 22, wherein the obtaining of the predetermined content comprises: Determining an access priority of at least one content providing server providing the predetermined content by using the access information included in the basic metadata information; And And acquiring content by accessing one of at least one content providing server based on the access priority. The method of claim 23, wherein accessing one of the at least one content providing server and obtaining content based on the access priority comprises: Sequentially attempting to connect to the at least one content providing server according to the determined access priority; Requesting the content from the connected content providing server when connected to one of the at least one content providing server; And And receiving the requested content. The method of claim 22, And the access information includes address information for accessing the content providing server providing predetermined content and state information indicating an operation state of the content providing server. The method of claim 25, The status information may include at least one of a maximum number of accessors that can be connected to the content providing server, a number of accessors that are connected to the content providing server, and a transmission speed. The method of claim 22, The access information is content providing method characterized in that the information defined for each content. A computer-readable recording medium having recorded thereon a program for implementing a method for providing metadata information, the method comprising: Receiving basic metadata information including information provided for searching for the content from a metadata information providing server that provides metadata information about at least one content; Providing the basic metadata information; Requesting detailed metadata information of one piece of content information included in the basic metadata information from the metadata information providing server; And And receiving the requested detailed metadata information from the metadata information providing server. In a computer-readable recording medium recording a program for implementing a content providing method, the method, Accessing a metadata information providing server that provides metadata about at least one content; Receiving, from the metadata information providing server, basic metadata information including access information which is information on at least one content providing server providing content as information provided for searching for the content; And And if the predetermined content is selected, accessing one of the at least one content providing server providing the selected content using the access information to obtain the selected content. .

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