Abstract: The present invention relates to a recording medium containing moving picture data and additional information thereof and to reproducing method and apparatus of the recording medium. The present recording medium has script files including additional information about moving picture data, e.g., scene descriptive text and introduction of characters, etc. In addition, information linking each script file with a section of moving picture data to be presented with contents of the script file is included in a link data file or is contained in a filename of the script file. In reproduction of the recording medium, a script file linked with presently reproduced moving picture data section is determined and searched for based on the link data file or every filename of the script files, and contents of the found script file are presented together with the presently reproduced moving picture data. Furthermore, previously presented additional information is removed depending on data or filename of the found script file.

Abstract: A method for dubbing audio on rewritable medium such as a high-density rewritable optical disc (BD-RE) is provided, which is capable of simultaneously recording a main A/V stream and a dubbed audio stream on the recording medium, while automatically and continuously producing and recording real play lists and a virtual play list adapted to control reproduction of the main A/V stream and dubbed audio stream. The user can conveniently manage recording of a dubbed audio stream corresponding to a main A/V stream on the rewritable recording medium.

Abstract: The present method of maintaining edit summary information on a rewritable storage medium maintains edit summary information (TableOfFastEditInfo) about real play list files, virtual play list files, and clip information files recorded on a rewritable storage medium such as a BD-RW with a view to facilitating editing of a play list, thereby making it possible to delete a part or the whole of a real play list selected by a user fast by consulting the edit summary information.

Abstract: A method and apparatus for managing digital content are discussed. According to an embodiment, the method includes receiving digital content and protection information for protecting the digital content; obtaining flag information associated with time information; obtaining the time information indicating one of a relative time and an absolute time based on the flag information; and managing the digital content according to the time information, wherein the managing step prevents use of the digital content upon an expiration of the time indicated in the time information.

Abstract: A method and apparatus for managing digital content are discussed. According to an embodiment, the method includes receiving digital content and protection information for protecting the digital content; obtaining at least one of user interface application data and marker private data; and managing the digital content according to the at least one of user interface application data and marker private data, wherein the managing step prevents a user from performing an action related with unauthorized usage of the digital content.

Abstract: The present invention relates to a method for managing playlists of a rewritable recording medium in order to prevent unlimited playback or illegal edition of television broadcast programs or movies wherein copyright protection is required. The present invention operates by adding information needed for automatic timed deletion of consecutively recorded clips of A/V streams and deletion time information into the playlists of a recording medium such as a high density rewritable optical disc (BD-RW), whereby referring to the recorded information, the corresponding clips of A/V streams are automatically deleted.

Abstract: A method for managing recording and reproduction of a multi-dubbed audio stream. This method includes the steps of producing virtual play lists, the number of which corresponds to the number of dubbed audio streams desired by a user in association with the clip-unit main A/V stream, for reading and reproduction of the dubbed audio streams, and recording a common play item, for reading and reproduction of the clip-unit main A/V stream, in the virtual play lists, while recording distinct sub play items, for reading and reproduction of the dubbed audio streams associated therewith, in the virtual play lists, respectively. Management information for search and management of play lists for multiple dubbed audio streams is also recorded in the file structure of a rewritable storage medium such as BD-RE (Blu-Ray Disc Rewritable).

Abstract: The present invention relates to a method for managing playlists of a rewritable recording medium in order to prevent unlimited playback or illegal edition of television broadcast programs or movies wherein copyright protection is required. The present invention operates by adding information needed for automatic timed deletion of consecutively recorded clips of A/V streams and deletion time information into the playlists of a recording medium such as a high density rewritable optical disc (BD-RW), whereby referring to the recorded information, the corresponding clips of A/V streams are automatically deleted.

Abstract: The present invention relates to a data structure for managing reproduction of at least video data having multiple reproduction paths through title structure. A recording medium having a data structure according to the present invention comprises a data area storing multi-path video data; and a management information area storing title management information to assign a plurality of titles to the multi-path video data, wherein the title management information includes at least one title block that is composed of an entry title and at least one non-entry title that are associated with mutually different reproduction paths.

Abstract: A recording medium having a data structure for managing additional content data of main data recorded thereon in accordance with the present invention comprises a data area storing at least one clip file including main data and/or additional content data of the main data; and a navigation area storing a clip information file including information to indicate whether the clip file includes additional content data.

Abstract: The present invention relates to a data structure for managing to resume reproduction of data including at least video data recorded on a recording medium. A recording medium having the data structure has data recorded thereon that comprises: at least one data playing unit (title or movie object) including at least video data; and navigation information for managing the data playing unit, wherein the navigation information includes control information to indicate whether resumption of the data playing unit is permitted or not.

Abstract: In accordance with one embodiment of the invention, a recording medium comprises a first recording area for recording data streams of a title domain and menu domain, said title domain comprising a plurality of titles, and a second recording area for recording navigation information for control of reproduction of the data streams, wherein the navigation information in the second recording area comprises playback control information for designating a location in the title domain to be resumed.

Abstract: The present invention relates to a recording medium having a data structure for managing reproduction of at least video data having multiple reproduction paths recorded thereon as well as methods and apparatuses for reproduction and recording the data structure. In the present invention, reproduction paths, e.g., parental levels of multi-path video data are identified individually by playlists or playitems included in a playlist.

Abstract: A recording medium having data structures for managing random/shuffle reproduction of video data recorded thereon is disclosed. The recording medium in accordance with the present invention comprises at least one piece of title management information, a playlist directory area storing at least one playlist including at least one playitem, and a stream directory area storing at least one clip of video data associated with the playlist. The title management information includes at least one segment that is associated with at least one playlist in the playlist directory area, and each playitem in the playlist is a unit to be randomized or shuffled during random/shuffle reproduction mode.

Abstract: The data structure on the recording medium includes a navigation area storing an information file. The information file includes a first playback indicator that identifies a navigation command field for execution at first playback of the recording medium. The identified navigation command field is also stored on the recording medium, and the identified navigation command field includes at least one navigation command.

Abstract: The present invention relates to a method for recording and managing a multi-channel broadcast stream. The present method records on a recording medium such as a BD-RW a multi-channel broadcast stream where a plurality of channels are multiplexed, and creates and records management information for individual search and reproduction control of the plural channels. Consequently, this method ensures fast random access and various trick play of individual subchannel streams multiplexed in a recorded multi-channel stream at user's request.

Abstract: A method of temporarily deleting and restoring files recorded on a rewritable storage medium such as a rewritable optical disk (BD-RW) is disclosed. When a request to delete play list files is received, the play list files are simply marked as temporarily deleted, so that the play list files may be restored later. The method of the invention is capable of easily restoring play list files and relevant clip and clip information files deleted by mistake.

Abstract: The recording medium includes at least one navigation area storing navigation management information for managing reproduction of the multiple reproduction path video data recorded on the recording medium. The navigation area has a plurality of angle change recording information corresponding to each of a plurality of data blocks.

Abstract: The present invention relates to a method for managing playlists of a rewritable recording medium in order to prevent unlimited playback or illegal edition of television broadcast programs or movies wherein copyright protection is required. The present invention operates by adding information needed for automatic timed deletion of consecutively recorded clips of A/V streams and deletion time information into the playlists of a recording medium such as a high density rewritable optical disc (BD-RW), whereby referring to the recorded information, the corresponding clips of A/V streams are automatically deleted.

Abstract: The present method of maintaining edit summary information on a rewritable storage medium maintains edit summary information (TableOfFastEditInfo) about real play list files, virtual play list files, and clip information files recorded on a rewritable storage medium such as a BD-RW with a view to facilitating editing of a play list, thereby making it possible to delete a part or the whole of a real play list selected by a user fast by consulting the edit summary information.