KR20030094154A - Additional information providing method - Google Patents

Abstract

The present invention relates to a method of providing additional information.

According to the present invention, a method of providing additional information includes: (a) receiving a content identifier for predetermined content transmitted from a playback device; (b) extracting additional information corresponding to the received content identifier; (c) transmitting the extracted additional information to the playback apparatus. As a result, the user may be provided with the latest information on the specific content.

Description

Additional information providing method

The present invention relates to a reproduction apparatus and an additional information service server system, and more particularly, to a method of providing additional information.

Digital storage media such as CDs and DVDs, which record various contents such as audio and video, are widely used. Audio contents or video contents are recorded on CD-ROMs, DVD-Audios, and DVD-Videos sold as commodities.

Information related to audio content or video content varies. For example, in the case of a music video, there are countless pieces of related information such as lyrics, personal information about singers, recent activities, and other hits of similar genres. However, if the user wants to know the additional information related to the content in this way, the user must access it through another medium.

Accordingly, it is an object of the present invention to provide a method for providing additional information for each content through a network.

1 is a schematic diagram of a playback apparatus and additional information service server system according to a preferred embodiment of the present invention;

2 and 3 are data structure diagrams stored in the additional information database 101 according to a preferred embodiment of the present invention.

4 is a flowchart for explaining a process of displaying additional information by the playback apparatus 10;

5 is a flowchart for describing a process of providing additional information by the additional information service server system 100.

* Explanation of symbols for the main parts of the drawings

1: optical disc 10: playback device

11: identifier providing unit 12: control unit

13: network connection 14: browser

15: reading part 16: playing part

100: additional information service server system

102: additional information database

102: server

According to the present invention, the above object is achieved by the steps of: (a) receiving a content identifier for a predetermined content transmitted from a playback device; (b) extracting additional information corresponding to the received content identifier; and (c) a method of providing additional information, comprising the step of transmitting the extracted additional information to the playback apparatus.

Preferably, the step (a) is a step of receiving the content identifier read from the storage medium in which the content is stored.

In addition, step (a) is more preferably the step of receiving the ISRC code of the content as the content identifier.

In addition, the step (a) is more preferably the step of receiving the content identifier contained in the cookie (Cookie) file.

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

1 is a schematic diagram of a playback apparatus and an additional information service server system according to a preferred embodiment of the present invention.

At least one content # 1, # 2, ..., #N is recorded on the optical disc 1, which is a storage medium according to the present embodiment, and an ISRC (International Standard Recording Code) code assigned to each of these contents is recorded. It is recorded. The ISRC code is an international standard code used to identify music, songs, music videos, etc., and is given by the Recording Industry Association of America (RIAA). The ISRC code includes a country code, a copyright holder code, a year of recording, and a recording number.

The reproduction device 10 includes an identifier providing unit 11, a control unit 12, a network connection unit 13, a reading unit 15, and a reproduction unit 16.

The identifier providing unit 11 provides a content identifier of the content recorded in the storage medium 1. The content identifier provided by the identifier providing unit 11 according to the present embodiment is an ISRC code, which is read out from the optical disc 1 by the reading unit 15 and provided to the identifier providing unit 11. The network connection unit 13 sends out or receives predetermined information from the network as a connection interface for connecting to the Internet or the like. The controller 12 is provided with a browser 14 for searching for information stored in the additional information service server system 100. Browser 14 points to a user interface for reading a file online. The browser 14 according to the present embodiment exchanges information with the server 102 installed in the additional information service server system 100 described later as a web browser. A web browser is a client program that uses Internet protocols such as Hypertext Transfer Protocol (HTTP), File Transfer Protocol (FTP), etc. to request data from a web server.

Further, the reading unit reads out the content from the optical disc 1, and the reproduction unit 16 reproduces the content read out by the reading unit 15. To this end, the playback unit 16 includes a decoder (not shown) for decoding the read content, a speaker (not shown) for receiving audio data output from the decoder and transmitting sound, and video data output from the decoder. The display apparatus may further include a display device configured to receive the image and display the image. However, if necessary, the speaker and / or the display device may be implemented separately from the playback device 10 without being included in the playback unit 16.

The additional information service server system 100 includes an additional information database 101 and a server 102. The additional information database 101 is provided so that the additional information on various contents as well as the contents recorded on the optical disc 1 correspond to the ISRC code. Detailed description of the additional information will be described later.

The server 102 receives the content identifier for the predetermined content from the playback device 10, extracts additional information corresponding to the content identifier from the additional information database 101, and transmits the additional information to the playback device 10. The server 102 is a program for responding to requests from client programs (the browser 14 in this embodiment) in the client / server model. The browser 14 is limited to the web server according to the present embodiment. It is a server program that provides web pages or files requested from.

The server 102 and the browser 14 exchange information with each other through a cookie file. Cookie files are text files stored on the client. In the present embodiment, the cookie file is provided and stored by the browser 14. The browser 14 stores the cookie file containing the ISRC code in a memory (not shown) provided in the controller 12. The cookie file is usually stored under the directory used by the browser 14. In more detail, the browser 14 receives the content identifier provided by the identifier providing unit 11, that is, the ISRC code, and stores it as a cookie file. The server 102 reads the cookie file to find out the ISRC code, and then extracts the additional information corresponding to the ISRC code from the additional information database 101 and transmits the additional information to the reproduction device 10.

2 is a data structure diagram stored in the additional information database 101 according to a preferred embodiment of the present invention.

Referring to FIG. 2, a plurality of ISRC codes and additional information corresponding thereto are stored in the additional information database 101. The additional information database 101 may be implemented as a table-type relational database defined to access and reconstruct data in various ways. Furthermore, a distributed database that is distributed or duplicated at various points in a network or an object-oriented database in which data defined by object classes and subclasses match each other may be configured.

Referring to FIG. 3, the additional information is provided to correspond to a predetermined ISRC code, and includes at least one URL as a plurality of additional content files and / or link information. Uniform Resource Locator (URL) points to the location of a resource accessible on the Internet. A URL consists of the name of a protocol needed to access a resource, a domain name to identify a particular computer on the Internet, and a pathname that shows the location of the file hierarchically.

The additional information display process and the additional information providing method according to the present invention according to the configuration as described above are as follows.

4 is a flowchart for explaining a process in which the reproduction device 10 displays additional information.

Referring to FIG. 4, when the optical disc 10 is inserted into the playback apparatus 10, the reading unit 15 reads an ISRC code from the optical disc 10 and transfers the ISRC code to the identifier providing unit 11 (step 401). .

The identifier providing unit 11 transmits the ISRC code to the control unit 12, and the browser 14 installed in the control unit 12 stores the received ISRC code as a cookie file (step 402).

On the other hand, when the user input is received by the controller 12, the reader 15 reads the corresponding content, and the playback unit 16 plays the read content (step 403). If a user input for requesting additional information is received from the control unit 12 while the content is being played (step 404), the browser 14 installed in the control unit 12 is called to display the additional information service server system (eg, through the network connection unit 13). 100) (step 405).

Next, the browser 14 provides the ISRC code stored in the cookie file to the server 102 of the additional information service server system 100 (step 406). Subsequently, the browser 14 receives the additional information provided from the server 102 (step 407), and displays the received additional information (step 408).

On the other hand, step 403 can be omitted. That is, the user may request additional information on the specific content even if the content is not being played. In such a case, when the user requests additional information, the control unit 12 (or browser 14) displays a menu screen for all the contents recorded on the optical disc 1. When the user selects specific content, the browser 14 provides additional information by providing an ISRC code for the selected content to the server 102.

5 is a flowchart for describing a process of providing additional information by the additional information service server system 100.

Referring to FIG. 5, the server 102 of the additional information service server system 100 and the playback device 10 are connected through a network (step 501), and the server 102 is a browser (mounted in the playback device 10). 14) requests and receives the ISRC code (step 502). The server 102 extracts the corresponding additional information from the additional information database 101 based on the received ISRC code (step 503), and transmits the extracted additional information to the browser 14 (step 504).

Meanwhile, in the above-described embodiment, the identifier providing unit 11 receives the ISRC code read out from the optical disc 1 by the reader 15, but receives the header information of the content recorded on the optical disc 1 and based thereon. To provide a predetermined content identifier. In addition, the additional information database 101 of the additional information service server system 100 may be implemented such that additional information is stored to correspond to the new content identifier.

As described above, according to the present invention, there is provided an additional information service server system and a reproduction device capable of providing and receiving additional information about content through a network. Accordingly, the user can be provided with the latest information on the specific content.

Claims (4)

(a) receiving a content identifier for the predetermined content transmitted from the playback device; (b) extracting additional information corresponding to the received content identifier; And and (c) transmitting the extracted additional information to the playback apparatus. The method of claim 1, Step (a) is And receiving the content identifier read from the storage medium storing the content. The method of claim 1, Step (a) is And receiving an ISRC code of the content as the content identifier. The method of claim 1, Step (a) is Additional information providing method characterized in that the step of receiving the content identifier contained in the cookie (Cookie) file.