KR20100032737A - Optical disc device and method for storing contents using an external storage - Google Patents

Abstract

The present invention relates to a content storage method using an optical disc device and an external storage medium. For example, in an optical disc device, various types of content such as subtitles downloaded from a content providing server connected and connected through the Internet can be used. When an optical disc that has been stored in the storage medium and has been reproduced in association with the content is inserted, the content stored in the external storage medium is read and played again, thereby inefficiently reproducing content such as a subtitle downloaded from a content providing server. You do not need to download it again.

Description

Optical disc device and method for storing contents using an external storage}

The present invention relates to various types of optical disc devices capable of reproducing or recording data of an optical disc, and a content storage method using an external storage medium.

In general, various types of optical disc devices capable of reproducing or recording data of an optical disc such as a Digital Versatile Disc (DVD) or a Blu-ray Disc (BD) are widely used.

For example, in an optical disc device such as a BD-Player, an MPEG2 Transport Stream recorded on a BD is read to demux video data, audio data, and subtitle data. (Demuxing).

The video data and the audio data are decoded to output a video image and audio and the subtitle data are decoded to superimpose a subtitle image such as a caption onto the video image. A series of optical disc reproduction operations to be displayed are performed.

On the other hand, recently, content providing servers (CP Servers) providing various contents through the Internet have appeared one after another. For example, in an optical disk device having an Internet function, the content providing server provides Various contents such as subtitles of different languages are downloaded and played in association with the video image.

The present invention provides an optical disk device and a content storage method using an external storage medium for efficiently storing various contents such as subtitles of different languages downloaded from a content providing server using an external storage medium. It is to provide.

Content storage method using an external storage medium according to the present invention comprises the steps of downloading and playing the content associated with the data recorded on the optical disk from a content providing server connected through a network; If the optical disc is ejected to the outside, storing the downloaded content in an external storage medium; And reproducing the content stored in the external storage medium when the optical disc is reinserted.

In the first step, the content of the subtitle data related to the main video data recorded on the optical disc may be downloaded from a content providing server connected and connected through a network, and reproduced in association with the main video data.

In the second step, when the optical disk is ejected to the outside, the OSD image which generates and stores the play history information and automatically stores the downloaded content in an external storage medium or inquires whether to save the optical disk. After output, characterized in that to save according to the user's selection,

In addition, the reproduction history information, characterized in that the identification information of the optical disk and the identification information of the content stored in the external storage medium is stored in association,

In addition, the OSD image may include a message requesting the insertion of an external storage medium or a message indicating a remaining capacity of the external storage medium.

In addition, in the step 3, when the optical disc is reinserted, referring to the play history information, after outputting an OSD image for automatically playing or inquiring whether to play the content stored in the external storage medium, Characterized in that the playback according to the selection,

In addition, an optical disc device according to the present invention comprises: connecting means for connecting to a content providing server via a network; Reproducing means for downloading and reproducing contents related to data recorded on an optical disc from said contents providing server; And controlling means for storing the downloaded content in an external storage medium when the optical disc is discharged to the outside, and reproducing the content stored in the external storage medium when the optical disc is reinserted. ,

The reproducing means may download the contents of the subtitle data related to the main video data recorded on the optical disc from the content providing server and reproduce the contents in association with the main video data.

In addition, the control means, when discharging the optical disk to the outside, to generate and store the reproduction history information, and to store the downloaded content in an external storage medium,

In addition, the reproduction history information, characterized in that the identification information of the optical disk and the identification information of the content stored in the external storage medium is stored in association,

The apparatus may further include an OSD generating means for generating and outputting an OSD image including a message requesting the insertion of the external storage medium or a message indicating a remaining capacity of the external storage medium.

When the optical disc is reinserted, the control unit automatically plays back the content stored in the external storage medium or controls the OSD generating unit by referring to the play history information to inquire whether or not to play the disc. After outputting the OSD image to be reproduced according to the user's selection.

The content storage method using the optical disk device and the external storage medium according to the present invention, for example, in the optical disk device, the external storage medium to the various types of content, such as subtitles downloaded from the content providing server connected through the Internet In addition, when an optical disk that has been linked and reproduced with the content is inserted, the content stored in the external storage medium is read and played again, thereby inefficiently regenerating content such as a subtitle already downloaded from the content providing server. You do not need to download it.

Hereinafter, a preferred embodiment of a content storage method using an optical disk device and an external storage medium according to the present invention will be described in detail with reference to the accompanying drawings.

First, the present invention can be applied to an optical disc device capable of reproducing or recording data recorded on various types of optical discs, such as a DVD or a BD.

On the other hand, the optical disk device to which the present invention is applied, for example, as shown in FIG. 1, is provided from a content providing server 400 connected to and connected through the Internet 300 as well as a television 200 connected thereto. It will download and play various contents.

In addition, the optical disk device includes, for example, an optical disk 10, an optical pickup 11, an RF processor 12, an MPEG decoder 13, a digital signal processor 14, and a microcomputer, as shown in FIG. (15), OSD generating unit 16, memory 17, Internet module 18, and interface unit 19 and the like.

As the memory 17, a nonvolatile memory such as a flash memory may be used, and the interface unit 19 may use a USB interface unit.

In addition, an external storage medium 20 such as a USB memory stick may be inserted into or separated through the interface unit 19. In the microcomputer 15, when an optical disc playing operation is requested, The operation of the Internet module 18 is controlled to perform an interface operation with the content providing server 400 connected and connected through the Internet 300.

In addition, content provided from the content providing server 400, for example, a content of a subtitle associated with main video data of the optical disc 10, is downloaded and stored in the memory 17.

In addition, the microcomputer 15 controls the MPEG decoder 13, the digital signal processor 14, and the like, and downloads the subtitle downloaded into the memory 17 from the main video data of the optical disc 10. Play in conjunction.

When the optical disc 10 is ejected to the outside, the subtitle stored in the memory 17 is downloaded and stored in the external storage medium 20, and then the optical disc 10 is inserted again. The subtitle stored in the external storage medium 20 is read out and played back.

Accordingly, content such as a subtitle already downloaded from the content providing server 400 does not have to be inefficiently downloaded again. This will be described in detail.

3 is a flowchart illustrating an embodiment of a content storage method using an external storage medium according to the present invention. In the microcomputer 15, the Internet module 18 is operated and controlled according to a user's request. The interface operation with the content providing server 400 connected to the Internet 300 is performed.

For example, the microcomputer 15 checks URL information previously stored in a lead-in area of the optical disc 10 or a specific area of the memory 17, and then the Internet module. Operation 18 is connected to the content providing server.

Then, the title identification information to be reproduced from the optical disc 10 is transmitted to the content providing server 400, and contents related to the main video data of the corresponding title, for example, a subtitle of a specific language. After requesting to provide, the content of the subtitle provided from the content providing server is downloaded into the memory (S10).

On the other hand, when the content download operation as described above is completed, the microcomputer 15 controls the MPEG decoder 13, the digital signal processor 14, and the like, and the main video data read out from the optical disc 10. The subtitle data read out from the memory 17 is cooperatively reproduced.

For example, in a state where subtitles of Korean, Chinese, and Japanese subtitles are recorded in the optical disc 10, and the user wants to see subtitles of English subtitles, the microcomputer 15 has described above. Likewise, the subtitle of the English subtitle is downloaded from the content providing server and stored in the memory.

Since the subtitles of the English subtitles stored in the memory are read out together with the main video data read out from the optical disc, for example, as shown in FIG. 4, the main video of the optical disc and the content providing server are shown. The subtitles downloaded from the subtitle are displayed together.

On the other hand, when the microcomputer 15 performs an eject operation for discharging the optical disk to the outside in response to a user's request (S12), the microcomputer 15 generates reproduction history information and stores it in the memory (S13). For example, as shown in FIG. 5, the optical disc identification information Disc_ID and the content identification information Contents_ID are cooperatively stored in the form of a look-up table in the play history information.

In addition, the microcomputer 15 determines whether an external storage medium is inserted through the interface unit 19. For example, when an external storage medium such as a USB memory stick is inserted (S14). The contents of the subtitle stored in the memory 17 are downloaded to the external storage medium 17 and stored in a file format.

Meanwhile, the file name or file identification information of the subtitle may be stored and managed as content identification information in the reproduction history information as described above with reference to FIG. 5, and if the external storage medium 17 is inserted If not, the OSD generating unit 16 is operated to display the OSD image of the guide message requesting the insertion of the external storage medium (S16).

Then, after performing the above-described series of operations, the microcomputer 15 searches for playback history information stored in the memory 17 (S18) when an arbitrary optical disc is inserted (S17). The identification information of the optical disc stored in the form and the identification information of the optical disc detected in the lead-in area of the inserted optical disc are compared.

Meanwhile, as a result of the comparison, when identification information of the same optical disc exists, it is determined that the optical disc has been reproduced before, and then the contents of the subtitle stored in the external storage medium are read (S19).

Then, the MPEG decoder 13 and the digital signal processor 14 are operated to control and co-play the main video data read from the optical disc and the subtitle data read from the external storage medium (S20). Performs any corresponding operation requested by S21.

When the optical disc is ejected to the outside, the microcomputer 15 generates and stores reproduction history information and automatically stores the contents stored in the memory in an external storage medium or the OSD generating unit 16. ), And outputs an OSD image inquiring whether to save the data, and stores the image according to a user's selection.

In addition, the microcomputer 15 compares the data capacity of the content to be downloaded from the memory to the external storage medium and the recordable remaining capacity of the external storage medium. ), The OSD image of the message for notifying the remaining capacity is outputted and displayed.

In addition, when it is determined that the optical disc is reinserted, the microcomputer 15 automatically plays back the contents stored in the external storage medium or outputs an OSD image inquiring whether to play them, and then selects the user. You can play along.

As mentioned above, preferred embodiments of the present invention described above are disclosed for the purpose of illustration, and those skilled in the art can improve other various embodiments within the spirit and technical scope of the present invention disclosed in the appended claims below. Changes, substitutions or additions will be possible.

1 illustrates an embodiment in which an optical disc device to which the present invention is applied is connected to a content providing server through the Internet.

2 shows a configuration of an embodiment of an optical disk device to which the present invention is applied;

3 is a flowchart illustrating an embodiment of a content storage method using an external storage medium according to the present invention;

4 illustrates an embodiment in which a main video of an optical disc and a subtitle of a content providing server are cooperatively reproduced by an optical disc device to which the present invention is applied.

5 shows an embodiment of the reproduction history information stored and managed according to the present invention.

[Description of Drawings]

100: optical disk device 200: television

300: internet 400: content providing server

10: optical disc 11: optical pickup

12: RF processor 13: MPEG decoder

14 digital signal processor 15 microcomputer

16: OSD generation unit 17: memory

18: internet module 19: interface unit

20: external storage medium

Claims (12)

A step (1) of downloading and playing content related to data recorded on the optical disc from a content providing server connected and connected through a network; If the optical disc is ejected to the outside, storing the downloaded content in an external storage medium; And And re-inserting the optical disc, reproducing the content stored in the external storage medium. 3. The method of claim 1, In the step 1, an external storage medium for downloading the contents of the subtitle data related to the main video data recorded on the optical disc from a content providing server connected and connected through a network, and playing them in association with the main video data. How to save content using. The method of claim 1, In the second step, when the optical disc is ejected to the outside, it generates and stores play history information, and automatically outputs an OSD image for storing the downloaded content to an external storage medium or asking whether to store the downloaded disc. After that, the content storage method using an external storage medium, characterized in that for storing according to the user's selection. The method of claim 3, wherein And the identification information of the optical disc and the identification information of the content stored in the external storage medium are linked and stored in the reproduction history information. The method of claim 3, wherein And displaying a message for requesting insertion of an external storage medium or guiding the remaining capacity of the external storage medium in the OSD image. The method of claim 1, In the step 3, when the optical disc is reinserted, the contents stored in the external storage medium are automatically played back or the OSD image inquiring whether to play the contents is automatically displayed, with reference to the play history information. Content storage method using an external storage medium, characterized in that to play along. Connecting means for connecting to a content providing server via a network; Reproducing means for downloading and reproducing contents related to data recorded on an optical disc from said contents providing server; And When the optical disc is discharged to the outside, the downloaded content is stored in an external storage medium, and if the optical disc is reinserted, the control means for reproducing the content stored in the external storage medium, characterized in that it comprises a; Optical Disc Device. The method of claim 7, wherein And the reproducing means downloads the contents of the subtitle data related to the main video data recorded on the optical disc from the content providing server and reproduces the contents in association with the main video data. The method of claim 7, wherein The control means, when discharging the optical disk to the outside, and generating and storing the reproduction history information, and storing the downloaded content in an external storage medium. The method of claim 9, And the identification information of the optical disc and the identification information of the content stored in the external storage medium are linked and stored in the reproduction history information. The method of claim 9, And an OSD generating means for generating and outputting an OSD image including a message requesting the insertion of the external storage medium or a message indicating a remaining capacity of the external storage medium. The method of claim 11, When the optical disc is reinserted, the control means automatically plays back the content stored in the external storage medium with reference to the play history information, or controls the OSD generating means to inquire about whether to play. And outputting an SD image and then playing it back according to a user's selection.

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