KR20040079208A - Method for managing playback control information in optical disc device - Google Patents

Abstract

PURPOSE: A method for managing play control information in an optical disk device is provided to read play control information prestored in a memory card to control a play operation, or to record the read play control information while controlling the play operation by using the play control information, thereby semi-permanently recording/managing user information and navigation information in the memory card. CONSTITUTION: When an optical disk is inserted(S10), a microcomputer reads navigation information(S11). If the same disk ID exists(S12), the microcomputer decides that the navigation information and user information are recorded/stored in a memory card. The microcomputer determines whether to apply the navigation information and the user information when controlling the disk(S13). If so, the microcomputer selectively reads specific navigation information and user information associated with the disk ID(S14), and transmits the information to a navigation manager(S19). The navigation manager controls a play operation of a presentation engine in reference to the navigation information and the user information(S20).

Description

Method for managing playback control information in optical disc device

The present invention relates to an optical disk device such as a DVD player or a DVD recorder in which a removable memory card is attached and used, by reading out navigation information and user information stored in the memory card, A reproduction control information management method in an optical disc apparatus for controlling reproduction of an inserted optical disc.

Recently, optical discs such as DVDs (DVDs) capable of recording and storing high-quality video data and high-quality audio data for a long time have been developed and commercialized. Also, as shown in FIG. 1, a removable memory card 200, for example, is shown. For example, an optical disk device 100 such as a DVD player or a DVD recorder capable of binding and using various memory cards such as a memory stick, a smart media card, a compact flash memory, and the like has been developed and commercialized.

Meanwhile, in the memory card 200 which is used as an optical disk device as described above, various audio files such as MP3 audio may be recorded and stored, and various image files such as JPEG or BMP files may be recorded and stored.

The optical disc apparatus 100 reads the navigation information recorded on the optical disc, for example, the DVD, which is inserted and seated in the apparatus, downloads it to a memory included in the apparatus, and then stores the navigation information and preset user information. For reference, the A / V data stream recorded on the DVD is read and reproduced.

In addition, the optical disc device reads and reproduces audio files or image files recorded in the memory card 200 according to a user's request, and outputs the desired audio or image images to an external connection device such as a television. do.

Therefore, the user records and stores various audio files and image files on the memory card by using a personal computer or the like, and then connects the audio files or image files recorded on the memory card with the optical disk device attached thereto. Select playback will be possible.

On the other hand, in the optical disk device, when ejecting the optical disk inserted into the device to the outside, the navigation information downloaded in the device and user information such as bookmark information preset by the user are deleted. Then, when a new optical disc is inserted, the navigation information recorded on the optical disc is read and downloaded, and the reproduction operation of the optical disc is controlled by referring to the user information newly set by the user.

However, even if the optical disc newly inserted and seated in the optical disc device is an optical disc that has been previously played, the navigation information of the optical disc must be inefficiently downloaded again, and user information such as bookmark information previously set by the user can be downloaded. There is a problem of resetting inefficiently.

Accordingly, the present invention has been made to solve the above problems, and semi-permanently records and manages navigation information and user information necessary for the reproduction control of the optical disc in the removable memory card, and in the optical disc device in which the removable memory card is attached and used. When the same optical disc is reinserted into the device, the navigation control information and the user information stored in the memory card can be read and used to more efficiently control the reproduction operation of the optical disc. To provide a, that is the purpose.

1 is a diagram illustrating an external view of an optical disk device in which a conventional removable memory card is attached and used.

2 illustrates a configuration of an optical disk apparatus to which the reproduction control information management method according to the present invention is applied.

3 illustrates a state in which navigation information and user information are recorded in a removable memory card to which the present invention is applied.

4 is a flowchart illustrating a method of managing playback control information in the optical disk device according to the present invention.

※ Explanation of code for main part of drawing

100: optical disk device 200: memory card

10: optical disc 11: optical pickup

12: VDP system 13: micom

14: memory 15: card connection

16: removable memory card

In accordance with an aspect of the present invention, there is provided a method of managing playback control information in an optical disk device, the method comprising: checking whether playback control information read from an optical disk is already stored in a memory card bound in the device; And according to the check result, read out the playback control information previously stored in the memory card to control the playback operation, or record the playback control information read out from the optical disc into the memory card and use the playback control information, And two steps of controlling the playback operation.

Best Mode for Carrying Out the Invention A preferred embodiment of the method for managing playback control information in an optical disc apparatus according to the present invention will be described in detail with reference to the accompanying drawings.

Fig. 2 shows a configuration of an optical disc apparatus to which the reproduction control information management method according to the present invention is applied. For example, an optical pickup apparatus such as a DVD player or a DVD recorder in which a removable memory card is attached and used is an optical pickup device. 11), a VDP (Video Disc Play) system 12, a microcomputer 13, a memory 14, and a card connection unit 15, and the card connection unit 15 includes a removable memory card 200. Used for binding.

The VDP system 12 includes a presentation engine 121 for reproducing and outputting A / V data read from the optical disc 10 as video and audio data, and a navigation manager 122 for controlling the data reproducing operation. ) Is configured to include.

In addition, as shown in FIG. 3, various memory files such as MP3 audio and various image files such as JPEG or BMP files are recorded and stored in the memory card 200. Navigation information (Navigation_Info) including a disc ID (Disc ID) read from the optical disc, and user information (User_Info) such as bookmark information set by the user are recorded.

On the other hand, in the microcomputer 13, when the optical disk is inserted and seated in the device, it is checked whether the navigation information read out from the optical disk is already stored in the memory card 200, and the navigation information is pre-stored. If there is, the data reproducing operation is efficiently controlled by using the navigation information and the user information previously stored in the memory card.

4 is a flowchart illustrating a method of managing playback control information in an optical disk apparatus according to the present invention. In the state where the removable memory card 200 is attached through the card connection unit 15, an optical disk such as a DVD is used. When 10 is inserted into the device (S10), the microcomputer 13 operates the VDP system 12 to read out navigation information recorded in a specific area such as a lead-in area of the optical disc. (S11).

After checking the disc ID information included in the navigation information, a disc ID identical to the disc ID is searched and compared in the memory card 200. For example, the same disc ID may be used. Is present (S12), the microcomputer 13 determines that the navigation information and the user information corresponding to the optical disc inserted and seated in the apparatus are recorded and stored in the memory card.

In addition, in the microcomputer 13, it is determined by user selection whether to apply the existing navigation information and user information previously stored in the memory card to the reproduction control of the optical disc (S13). When the existing navigation information and the user information are applied as it is, after the specific navigation information and the user information which are stored in association with the disk ID among the plurality of navigation information and the user information previously stored in the memory card are selectively read out (S14), The data is transmitted to the navigation manager 122 (S19).

On the other hand, if the existing navigation information and user information are modified at the request of the user, the navigation information read from the optical disc is updated and registered with new navigation information, and the user information designated by the user is modified and stored. (S15), the updated registration and modified navigation information and user information are transmitted to the navigation manager 122.

On the other hand, when the same disk ID does not exist in the memory card, the microcomputer 13 determines that the navigation information and the user information corresponding to the optical disk inserted into the apparatus are not recorded in the memory card. The disk ID and the navigation information are read out (S16), and a series of operations for registering as new navigation information in the memory card is performed (S17).

In addition, the microcomputer 13 registers the user information, such as bookmark information selected and selected by the user, in association with the newly registered navigation information and the disc ID as a reference (S18), and newly registered navigation as described above. Information and user information are transmitted to the navigation manager 122.

In addition, the navigation manager 122 performs a series of operations for controlling a playback operation in the presentation engine 121 with reference to the navigation information and the user information read and transmitted through the above process (S20). ).

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

In the optical disc device according to the present invention constituted and configured as described above, in the optical disc device in which a removable memory card is attached and used, the reproduction control information read from the optical disc is stored in a memory card bound in the device. After confirming that the information is stored, the playback control information previously stored in the memory card is read and the playback operation is controlled, or the playback control information read from the optical disc is recorded in the memory card, and the playback control is performed. By using the information, by controlling the reproduction operation, it is possible to semi-permanently record and manage the navigation information and the user information necessary for the reproduction control of the optical disc on the removable memory card, and when the same optical disc is reinserted into the device, the memory card Pre-stored navigation information and users It is a very useful invention that the information can be read and used to control the reproduction operation of the optical disc more efficiently.

Claims (4)

A first step of confirming whether or not the reproduction control information read out from the optical disc is already stored in the memory card bound in the apparatus; And According to the check result, the playback control information previously stored in the memory card is read to control the playback operation, or the playback control information read from the optical disc is recorded in the memory card, and the playback control information is used to play back. A reproduction control information management method for an optical disc device, comprising the step of controlling an operation. The method of claim 1, In the step 1, the playback control information management method of the optical disk apparatus, characterized in that to check whether the disk ID read out from the optical disk is already stored in the memory card. The method of claim 2, And the navigation information and the user information including the disk ID are recorded in the memory card. The method of claim 1, After modifying the playback control information previously stored in the memory card, the modified playback control information is read out to control the playback operation, or new playback control information is registered and stored in the memory card and the new playback control information is used. And controlling the reproducing operation.