Abstract: An information storage medium storing subtitle text-based information, and a method and apparatus utilizing same, process a subtitle. The information storage medium includes: dialog information which contains script text information of the subtitle and information specifying an output type of the script text; and presentation information which contains style information used to convert the script text into a bitmap format through rendering. With this structure, the amount of data required for a subtitle and the amount of data that should be processed when a subtitle is output may be greatly reduced.

Abstract: A multimedia data recording apparatus, a multimedia data reproducing apparatus, and multimedia data storage include a first layer storing multimedia data; and a second layer in which, when the multimedia data is divided into a record unit and a reproduction unit, information of attributes of the record unit and a relationship between the record unit and the reproduction unit are described with a markup language using elements and the attributes. Navigation data, which is used to control a selection of the reproduction unit and reproduction sequence, is recorded on a third layer.

Abstract: A multimedia data recording apparatus, a multimedia data reproducing apparatus, and multimedia data storage include a first layer storing multimedia data; and a second layer in which, when the multimedia data is divided into a record unit and a reproduction unit, information of attributes of the record unit and a relationship between the record unit and the reproduction unit are described with a markup language using elements and the attributes. Navigation data, which is used to control a selection of the reproduction unit and reproduction sequence, is recorded on a third layer.

Abstract: A multimedia data recording apparatus, a multimedia data reproducing apparatus, and multimedia data storage include a first layer storing multimedia data; and a second layer in which, when the multimedia data is divided into a record unit and a reproduction unit, information of attributes of the record unit and a relationship between the record unit and the reproduction unit are described with a markup language using elements and the attributes. Navigation data, which is used to control a selection of the reproduction unit and reproduction sequence, is recorded on a third layer.

Abstract: The video playback apparatus includes: a video data processor for simultaneously and asynchronously reproducing a main-video stream and a sub-video stream, and controlling position- and size-information of a corresponding display window; and a video output controller, if one of the main- and sub-video streams reproduced by the video data processor is completely reproduced earlier than the other one, which controls the video data processor to enlarge a display window of the remaining video stream to an entire screen size.

Abstract: A method of and an apparatus for efficiently navigating a plurality of contents which are reproduced in a device for reproducing interactive contents, such as a computer, a DVD player, a PDA, or a cellular phone, by using a device having a limited number of input keys. Focusing layer values are allotted to contents elements to form focusing layers and the contents elements included in any one focusing layer are provided to a user. The focusing is moved when a command to move the focusing is input from the user. Accordingly, any kind of media storing interactive contents formed by using markup language is navigable using the device having the limited number of input keys, such as a television remote controller.

Abstract: A reproducing apparatus and a video data storage method, which are capable of seamlessly reproducing video data read from an additional storage medium, by providing profile information regarding a data transmission speed of the additional storage medium included in the reproducing apparatus. The reproducing apparatus includes an additional storage medium to store the video data and/or additional data required for reproducing the video data, an audio/video (AV) decoder to receive the video data from the additional storage medium, and to decode and output the video data, and a data storage manager to manage data storage in the additional storage medium, with reference to profile information on a performance of the additional storage medium.

Abstract: A method and an apparatus to reproduce at least one piece of data. The apparatus includes a data reproducing unit to reproduce the at least one piece of video data, an additional data reproducing unit to reproduce one of a plurality of pieces of additional data, each being related to one of the at least one piece of video data, and a control unit to control the additional data reproducing unit to select and reproduce one of the pieces of additional data. Accordingly, setting a plurality of pieces of additional data to be simultaneously reproduced according to a preference of a user when reproducing a plurality of pieces of video data is possible, and switching from a piece of additional data to another piece of the additional data, which are linked to a particular piece of video data, is also possible.

Abstract: An information storage medium on which interactive contents version information is recorded, a recording and reproducing method, and a recording and/or reproducing apparatus include minimum markup version information and minimum multimedia version information. Since a markup document can be displayed in a reproducing apparatus having a viewer version lower than a specification version of an authoring tool used to author the markup document. If the specification version of the authoring tool is higher than a viewer version supported by the reproducing apparatus, interactive contents may not be correctly reproduced due to specification version information automatically written in the markup document using the authoring tool. Since the information storage medium includes the minimum interactive contents version information and/or the minimum multimedia version information that can be reproduced by the reproducing apparatus, the reproducing apparatus can reproduce the interactive contents smoothly.

Abstract: An information storage medium on which interactive contents version information is recorded, a recording and reproducing method, and a recording and/or reproducing apparatus include minimum markup version information and minimum multimedia version information. Since a markup document can be displayed in a reproducing apparatus having a viewer version lower than a specification version of an authoring tool used to author the markup document. If the specification version of the authoring tool is higher than a viewer version supported by the reproducing apparatus, interactive contents may not be correctly reproduced due to specification version information automatically written in the markup document using the authoring tool. Since the information storage medium includes the minimum interactive contents version information and/or the minimum multimedia version information that can be reproduced by the reproducing apparatus, the reproducing apparatus can reproduce the interactive contents smoothly.

Abstract: Provided are an information storage medium on which contents for interactively providing a user with audio/visual data are recorded, and a method and an apparatus for highlighting buttons on a screen on which a plurality of applications are displayed so as to interactively provide the user with the audio/visual data. The contents include information about a button performing a predetermined function. The information about the button includes neighboring button information for highlighting movement within an application to which a highlighted button belongs or highlight movement to a neighboring application which is adjacent to the application to which the highlighted button belongs. Highlighted movement among buttons defined in a plurality of applications can thus be made without confusing a user when the applications are executed on one screen.

Abstract: A recording medium including menu stream data including menu information provided such that a button displayed on a screen can be selected. The menu stream data includes user operation (UPO) information for determining a user operation of the button. Accordingly, a button selection UOP or a selection button execution UOP may be executed in accordance with the intention of a user and/or a manufacturer.

Abstract: An information storage medium including an application for obtaining metadata for a disc library, and an apparatus and a method of obtaining the metadata. The information storage medium includes a network application to download metadata for a disc library from an external server to a reproducing apparatus for reproducing data from the information storage medium, wherein the metadata for a disc library has a structure including identifier information, version information, type information, disc information, and title information and is stored in the reproducing apparatus. Accordingly, the metadata for a disc library can be downloaded from the external server via a network.

Abstract: An information storage medium includes application information for performing reproduction with reference to metadata stored in a reproduction apparatus; and additional information for providing the metadata as a user interface provided by a content producer.

Abstract: A storage medium storing: video data; and graphics data for displaying a menu. The graphics data includes first graphics data displayed on the screen when an activation command is generated by a user and may also include second graphics data displayed on the screen at a designated time.

Abstract: A method of storing multi angle data. Data for a plurality of angles of a scene are stored in interleaved blocks. Sizes of the interleaved blocks are integral multiples of sizes of integral numbered aligned units that include packets. Angle change points are included in each of the interleaved blocks, allowing a reproducing apparatus to seamlessly jump from one angle to another angle during reproduction of the multi angle data. A number of the angle points recorded on the information storage medium is computed so that a jumping distance required by the data during reproduction does not exceed a maximum jumping distance of a reproducing apparatus.

Abstract: A storage medium storing: video data; and graphics data for displaying a menu. The graphics data includes first graphics data displayed on the screen when an activation command is generated by a user and may also include second graphics data displayed on the screen at a designated time.

Abstract: A method of reproducing from a storage medium video data and graphics data for displaying a menu screen. The method includes: decoding graphics data; and outputting, on the basis of the decoded graphics data, the decoded graphics data when an activation command is generated by a user or displaying the decoded graphics data at a designated time.

Abstract: An information storage medium which stores data structures supporting multi-angles includes clip AV streams for respective angle data of multi-angle motion picture data. As additional information for each clip AV stream, clip information is recorded on a separate storage area from that of the clip AV streams. The clip information includes jumping-point information for jumping into another angle. Each of the clip AV streams may be recorded in a contiguous recording area, or divided into smaller interleaved units that are interleaved with units of the other clip AV streams.

Abstract: An information storage medium which stores data structures supporting multi-angles includes clip AV streams for respective angle data of multi-angle motion picture data. As additional information for each clip AV stream, clip information is recorded on a separate storage area from that of the clip AV streams. The clip information includes jumping-point information for jumping into another angle. Each of the clip AV streams may be recorded in a contiguous recording area, or divided into smaller interleaved units that are interleaved with units of the other clip AV streams.