WO2006019261A1 - Support d'enregistrement et procede et appareil de lecture des donnees du support d'enregistrement - Google Patents

Support d'enregistrement et procede et appareil de lecture des donnees du support d'enregistrement Download PDF

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Publication number
WO2006019261A1
WO2006019261A1 PCT/KR2005/002700 KR2005002700W WO2006019261A1 WO 2006019261 A1 WO2006019261 A1 WO 2006019261A1 KR 2005002700 W KR2005002700 W KR 2005002700W WO 2006019261 A1 WO2006019261 A1 WO 2006019261A1
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WO
WIPO (PCT)
Prior art keywords
title
scenario
recording medium
contained
playlist
Prior art date
Application number
PCT/KR2005/002700
Other languages
English (en)
Inventor
Kang Soo Seo
Jea Yong Yoo
Byung Jin Kim
Seung Hoon Lee
Original Assignee
Lg Electronics Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lg Electronics Inc. filed Critical Lg Electronics Inc.
Publication of WO2006019261A1 publication Critical patent/WO2006019261A1/fr

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/32—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier
    • G11B27/327—Table of contents
    • G11B27/329—Table of contents on a disc [VTOC]
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
    • G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005—Reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G11B7/00736—Auxiliary data, e.g. lead-in, lead-out, Power Calibration Area [PCA], Burst Cutting Area [BCA], control information
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B2020/1264—Formatting, e.g. arrangement of data block or words on the record carriers wherein the formatting concerns a specific kind of data
    • G11B2020/1288—Formatting by padding empty spaces with dummy data, e.g. writing zeroes or random data when de-icing optical discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2541—Blu-ray discs; Blue laser DVR discs

Definitions

  • the present invention relates to a recording medium, and more
  • a high-density optical recording medium capable of recording/storing high-quality video data and high-quality audio data for a long period of time, for example, a Blu-ray
  • the BD based on the next-generation recording medium technique has been considered to be the next-generation optical recording solution capable of storing much more data than a conventional DVD.
  • many developers have conducted intensive research into the international standard technical specification associated with the BD along with those of other digital devices.
  • the above-mentioned BD can record a plurality of data units having different attributes, for example, a first title wherein a movie compressed in an MPEG2 format is recorded, a second title wherein interactive information including movies executed by a Java program is recorded, a third title recorded by a Web-language.
  • a preferable recording medium file structure for reproducing the above-mentioned data e.g., titles
  • a method for reproducing data from the recording medium using the recording medium file structure are not yet well known to those skilled in the art,
  • the present invention is directed to a recording
  • An object of the present invention is to provide a reproduction management file structure for managing reproduction of a plurality of data units having different attributes recorded in a recording medium.
  • Another object of the present invention is to provide a method for recording reproduction scenario information for
  • a further object of the present invention is to provide a method and apparatus for reproducing data from a recording medium using the recording medium file structure.
  • a recording medium includes a record area in which at least one first title and at least one second title having different attributes are recorded, and a reproduction management area for reproducing individual
  • the dynamic scenario includes locator information for designating a specific playlist file
  • the dynamic scenario includes locator information for designating a specific location contained in the playlist file.
  • a recording medium in another aspect of the present invention, includes a record area in which at least one title is recorded, and a reproduction management area for reproducing all titles contained in the record area, wherein a static scenario and a dynamic scenario are recorded in the reproduction management area, the static scenario including a plurality of playlist files to reproduce all the titles, and
  • the medium includes a record area in which at least one title is recorded, and a reproduction management area for reproducing all titles contained in the record area, wherein a static scenario and a dynamic scenario are recorded in the reproduction management area, the static scenario including a plurality of playlist files to reproduce all the titles, and the dynamic scenario of individual titles including locator information capable of designating one of the playlist files
  • each of the titles having different attributes is recorded, and a static scenario commonly contained in the first and second titles irrespective of attribute information of individual titles includes the steps of (a) reading the dynamic scenario and the static scenario, and recognizing
  • locator information capable of designating the static scenario, contained in the dynamic scenario, and (b) reproducing a specific playlist file capable of constructing a corresponding static scenario designated by the locator
  • an apparatus for recording/reproducing data in/from a recording medium in which a first title and a second title having different attributes are recorded independently of each other a
  • a static scenario commonly contained in the first and second titles irrespective of attribute information of individual titles includes a recording/reproducing unit for reading a dynamic
  • FIG. 1 is a conceptual diagram illustrating individual titles recorded in a recording medium according to the present invention
  • FIG. 2 is a conceptual diagram illustrating a file structure recorded in an optical disc acting as a recording medium and a relationship for reproducing data of the file structure according to the present invention
  • FIG. 3 is a structural diagram illustrating a data record structure recorded in an optical disc according to the
  • FIGs. 4A to 4D are structural diagrams illustrating individual file structures according to the present invention.
  • FIG. 4E is a conceptual diagram illustrating a reproduction
  • FIG. 5A exemplarily shows a dynamic scenario and a static scenario for reproducing an HDMV title according to the present invention
  • FIG. 5B exemplarily shows a dynamic scenario and a static scenario for reproducing a Java title according to the present invention
  • FIG. 6A is a block diagram illustrating an optical recording/reproducing device according to the present invention
  • FIG. 6B is a block diagram illustrating a player model according to the present invention.
  • a recording medium for use in the present invention is indicative of all recordable mediums, for example, an optical disc, and a magnetic tape, etc., according to various
  • the term "Title” is indicative of a reproduction unit interfacing with a user, and each title is linked to a specific object, such that a stream associated with a corresponding title recorded in a disc is reproduced according to a command or program stored in the object.
  • a first title in which movies and interactive information according to an MPEG2 compression scheme are recorded is called an HDMV title
  • Java title information information according to a Java program are recorded is called a Java title.
  • Object is indicative of reproduction management information including a command or program for reproducing the disc.
  • a variety of objects is present in a disc, linked to a specific title, or connected to other objects. Therefore, the above-mentioned objects are pre ⁇ designed according to intentions of a manufacturer or author
  • M-OBJ Movie Object
  • Java Object or "J-OBJ”.
  • locator Navigation information capable of reproducing a specific stream contained in a disc using a command or program stored in the object will hereinafter be referred to as a specific term "locator".
  • the locator contained in the object “Movie Object” or “M-OBJ” is called an HDMV locator.
  • the locator contained in the object “Java Object” or “J-OBJ” is called a Java locator.
  • FIG. 1 is a conceptual diagram illustrating individual
  • FIG. 1 shows an example of a BD-ROM for use in an optical recording/reproducing device 10.
  • FIG. 1 shows a specific mode in which a title recorded in the BD-ROM is mixed with an HDMV title and a Java title, such that the title mixed with the HDMV and JAVA titles is recorded.
  • the specific mode is called a full mode.
  • the present invention provides a file structure standardized in the disc in order to reproduce data from the BD-ROM based on the full mode, and provides a method and apparatus for reproducing data from the BD-ROM.
  • the optical recording/reproducing device 10 can be any optical recording/reproducing device 10.
  • the optical recording/reproducing device 10 can record/reproduce specific data in/from only a specific optical disc such as a BD, or can reproduce the data from the optical disc without recording the data in the same. It should be noted that the present invention uses a BD-player capable of reproducing data from the BD-ROM based on a BD format as a preferred embodiment for the convenience of description. It is well known in the art • that the optical recording/reproducing device 10 is also applicable to a driver embedded in a specific device such as a computer.
  • the optical recording/reproducing device 10 reproduces data from the BD-ROM, reads data from the BD-ROM, performs a signal process and a decoding process on the read data
  • FIG. 2 is a conceptual diagram illustrating a file structure
  • the file structure (a) includes one or more BD directories in a single root directory.
  • the BD directory includes not only an index file "index" acting as a general file (i.e., an upper file) capable of guaranteeing user interactivity, but also the above-mentioned object.
  • the file structure (a) includes a variety of directories for storing information of actual data recorded in a disc and other information associated with a method for reproducing the data, for example, a playlist directory (PLAYLIST) , a clip information
  • CIPINF CIPINF
  • STREAM stream directory
  • Java directory JAVA
  • the stream directory includes a plurality of AV (Audio and Video) stream files recorded in a disc according to a specific format.
  • AV Audio and Video
  • the stream directory uses extension names of stream files (01000.m2ts and 02000.m2ts) as a specific extension name "*.m2ts".
  • the stream file records moving image data.
  • the clip information (Clip-info) directory (CLIPINF) is composed of a plurality of clip-info files (01000.clpi and
  • the clip-info files (*.clpi) record attribute information and timing information of the stream files therein.
  • the playlist directory includes a plurality of playlist files (*.mpls) .
  • Each playlist file (*.mpls) includes one or more playitems (Playltem) for designating a playing interval during which a specific clip is reproduced.
  • the playitem includes information associated with a specific clip to be reproduced, i.e., information
  • the playlist file (*.mpls) is used as a basic reproduction management file unit contained in an overall file structure, such that it can reproduce a desired clip using a combination of one or more playitems.
  • the playlist file (*.mpls) may include data different from reproduction data formed by the playitem.
  • the playlist file (*.mpls) may include a sub-playitem (SubPlayltem) for reproducing auxiliary data.
  • the playlist file (*.mpls) is operated by only a command or program of the above-mentioned object. From the viewpoint of a disc reproduction scenario, the object executes a dynamic scenario, and the playlist file (*.mpls) executes a static
  • Java directory records a plurality of Java program files (e.g., PPPPP.jar or QQQQQ.jar) therein.
  • Java program files e.g., PPPPP.jar or QQQQQ.jar
  • applications are programmed in individual Java program files
  • each of the programmed applications may also be called a predetermined term "Xlet" .
  • the Java program files are executed by a dedicated reproduction device to be described later in FIG. 6B.
  • the reference character (b) shown in FIG. 2, shows a relationship for reproducing a specific title using the
  • the index file includes first play information "First Play" indicative of
  • menu information "TopMenu” capable of providing a title recorded in a disc with a menu image, and at least one title
  • Title #1 ⁇ Title #4 may be configured in the form of an HDMV title or a Java title.
  • a specific playlist is reproduced according to a specific object command or program linked to the title
  • the present invention is characterized in that accessible playlist file name information and locator information are configured in the dynamic scenario to
  • FIG. 3 is a structural diagram illustrating an exemplary disc structure for recording information associated with the file structure (a) in a disc. As shown in FIG. 3, from the viewpoint of an inner area of the disc, the above-mentioned disc structure sequentially includes a file system information area serving as system information for managing
  • a predetermined area for recording the HDMV title and the Java title is called a title record area, and corresponds to
  • reproduction management area predetermined area for recording file information for title reproduction.
  • file system information area corresponds to the file system information area and the database area.
  • FIGs. 4A to 4D are structural diagram illustrating individual file structures recorded in a disc according to the present invention.
  • FIG. 4E is a conceptual diagram illustrating a reproduction relationship using the file structures shown in FIGs. 4A to 4D according to the present invention.
  • the file structures shown in FIGs. 4A to 4D are equal to those of FIG. 2 (a) , such that configuration of object files managing the dynamic scenario will be described.
  • FIG. 4B shows a plurality of J-OBJs, which may be contained in individual Java program files (*.jar) .
  • a plurality of J-OBJs which may be contained in individual Java program files (*.jar) .
  • a plurality of J-OBJs which may be contained in individual Java program files (*.jar) .
  • a plurality of J-OBJs which may be contained in individual Java program files (*.jar) .
  • a start object must be determined in the file "PPPPP.jar".
  • the first object "J-OBJ 1" may be used as a start object for executing the file "PPPPP.jar”.
  • the above-mentioned content may also be applied to another
  • FIGs. 4C and 4D Compared with the file structure of FIG. 4A, the file structures shown in FIGs. 4C and 4D allows objects (J-OBJs) for reproducing the Java title to be included in additional object files (e.g., "JavaObject .bdj") in the same manner as in objects (M-OBJs) for reproducing the HDMV title.
  • J-OBJs objects
  • additional object files e.g., "JavaObject .bdj”
  • FIG. 4C shows the "JavaObject .bdj” file and the "MovieObject.bdmv” file arranged in a BD directory as general files.
  • FIG. 4D shows the "MovieObject .bdmv” file arranged in the BD directory as a general file, and the
  • JavaObject.bdj "JavaObject.bdj" file arranged in the Java directory.
  • FIG. 4E is a conceptual diagram illustrating a disc reproduction relationship using the file structure recorded in a disc according to the present invention. The relationship shown in FIG. 4E is depicted on the basis of the
  • the Java object is not present in a Java program (*.jar), and may be configured in the form of an additional Java object file.
  • the disc reproduction relationship according to the file structure of the present invention is mainly classified into four layers, i.e., a stream layer, a static scenario layer, a
  • the stream layer, the static scenario layer, the dynamic scenario layer, and the user interface layer will hereinafter be described.
  • the stream layer is indicative of a predetermined area for
  • recording actual data therein is a predetermined layer in which the above-mentioned stream file (*.m2ts) is recorded, and is called a "Clip" in FIG. 4E.
  • the clip-info file (*clpi) contained in the clip may be included in the static scenario layer rather than the stream layer.
  • the static scenario layer is indicative of a predetermined area in which a fixed reproduction management file capable of reproducing data of the stream layer is recorded, and is a predetermined layer in which the above-mentioned playlist
  • Individual playlist files (*.mpls) include one or more playitems (Playltems) capable of determining a playing interval during which a specific clip is reproduced.
  • the playitem (Playltem) includes a reproduction start time (IN-time) and a reproduction termination time (OUT-time) of a specific clip to be reproduced.
  • the operation for reproducing disc data using the playlist file (*. ⁇ pls) means that the disc data is sequentially reproduced in the order of playitems according to a static scenario or a plurality of playitems are reproduced at random.
  • the static scenario layer is characterized in that it includes a fixed scenario for reproducing a stream
  • the dynamic scenario layer is defined by a disc author, and can define a disc reproduction scenario in various ways.
  • the above-mentioned object information corresponds to the dynamic
  • a time or condition for executing a playlist file contained in a specific static scenario is pre-defined in the dynamic scenario layer, such that a specific clip is reproduced using a corresponding playlist file on the condition that the pre-defined condition
  • the above-mentioned dynamic scenario layer is required to manage or control the above-mentioned various reproduction scenarios.
  • the user interface layer provides user interactivity, and provides a user with title category information and menu information recorded in the disc. The user can select a reproduction command on the basis of the received information.
  • an index file contained in the above-mentioned file structure corresponds to the user interface layer.
  • the user can recognize or control only the user interface layer.
  • the remaining layers other than the user interface layer are pre-recorded by a disc author, and their data cannot be recognized by the user. Therefore, if the user selects a specific title reproduction command using the user interface layer, the static scenario layer is executed via the dynamic scenario layer, a stream contained in the stream layer is reproduced according to scenario information of the static scenario layer.
  • HDMV title from among a plurality of titles (e.g., HDMV titles #1 and #2 and Java titles #3 and #4) recorded in
  • the object "M-OBJ 1" is included in a single "MovieObject.bdmv” file as previously stated above. If the disc having the above-mentioned file structure is seated in the optical recording/reproducing device 10, and a predetermined title (Title #3) indicative of the Java title is reproduced upon receiving a title selection command from the user, the object "J-OBJ 1" linked to the title #3 must firstly be executed. In order to execute the object "J-OBJ 1", specific information "Title_jobj_id_ref () " or
  • “Title_jobj_id_ref ()” information includes first information (e.g., "Jar_file_name”) for designating a Java program file including a corresponding object "J-OBJ” and second information for designating specific applications (Applications) .
  • first information e.g., "Jar_file_name”
  • second information for designating specific applications (Applications) .
  • the "J-OBJ 1" object is used as a Java object file. Therefore, a corresponding Java object file is
  • the above-mentioned Java object file includes first information (e.g., "jar_file_name”) for designating a specific Java program file and second information (e.g.,
  • file is executed by the "M-OBJ" object in the case of the HDMV title, and is executed by specific applications designated by the "J-OBJ” object in the case of the Java title.
  • FIG. 5A exemplarily shows a dynamic scenario and a static scenario for reproducing the HDMV title according to the present invention. Particularly, FIG. 5A shows a process for executing playlist files using the movie object "M-OBJ". For the convenience of description, the remaining layers other than the user interface layer from among the above- mentioned four layers shown in FIG. 4E are depicted in FIG.
  • FIG. 5A shows operations of the movie object "M-OBJ" contained in the dynamic scenario layer when a user selects a command for reproducing a specific HDMV title.
  • All the movie objects (M-OBJs) contained in a dynamic scenario associated with reproduction of the HDMV title are contained in a single movie object file "MovieObject.bdmv” .
  • Each movie object (M-OBJ) is composed of a unique command.
  • the movie object (M-OBJ) includes a command for executing a specific playlist file associated with the specific title,
  • a playitem #1 contained in the playlist #1 is executed, such that a specific clip #1 is reproduced during a predetermined interval from a presentation start time (IN-time) to a
  • a disc reproduction command contained in the movie object may also be called an HDMV locator.
  • the HDMV locator is defined as only the above-
  • FIG. 5B is a conceptual diagram illustrating a scenario for
  • FIG. 5B shows a process for- reproducing playlist files and streams using the Java object "J-OBJ".
  • FIG. 5A shows the remaining layers other than the user interface layer from among the above- mentioned four layers shown in FIG. 4E.
  • FIG. 5B shows operations of the Java object "J-OBJ" contained in the dynamic scenario layer when a user selects a command for reproducing a specific Java title.
  • the Java object "J-OBJ" contained in a dynamic scenario associated with reproduction of the Java title includes specific information capable of executing at least one from among a plurality of application programs. Therefore, a specific application program is executed by the Java object "J-OBJ” , and navigation information capable of designating a
  • Java application is called a Java locator or a BDJ locator, and has the following characteristics.
  • the Java locator basically includes information for designating a specific playlist file contained in a static scenario. In other words, in order to execute the Java
  • a playlist file name or playlist file number associated with the Java title must be determined.
  • a first application program (Application 1) uses
  • the Java locator can directly access a playitem
  • locator shown in FIG. 5B are considered to be one unique characteristic of the present invention.
  • the second application program (Application 2) shows a specific case in which specific information " ⁇ playlist_id> [ ⁇ playitem_id>] " or u ⁇ playlist_id> [ ⁇ playlist_offset>] " for designating a specific
  • the " ⁇ playlist_id> [ ⁇ playitem_id>] information designates one of a plurality of playitems contained in the playlist, and is indicative of a Java locator capable of directly accessing a
  • access pointer designated by a specific location different from a front location of the playlist for example, an access pointer designated by a playlist mark, and is used as a Java locator capable of directly accessing a specific location contained in the playlist.
  • the third application program (Application 3) shows a specific case in which specific information " ⁇ playlist_id> [ ⁇ playitem_id>] [ ⁇ component_tag>] " or
  • the " ⁇ playlist_id> [ ⁇ component_tag>] information acts as specific information capable of directly designating a location of a stream having specific data contained in the playlist, for example, a specific language stream, a specific
  • the Java locator can directly designate a specific playlist or a specific location' contained in the
  • a disc author can construct a more detailed dynamic scenario.
  • a specific playlist or a specific location contained in the playlist using the Java locator In order to designate a specific playlist or a specific location contained in the playlist using the Java locator,
  • the accessible playlist information is firstly required.
  • the above-mentioned accessible playlist information is called “Table_Of_Accessible__PlayList” .
  • the "Table_Of_Accessible_PlayList” information is recorded in the Java object. For example, as shown in FIG. 4E, a plurality of playlists #1, #2, and #3 act as playlists managed by the
  • FIGs. 6A and 6B show an optical recording/reproducing device according to the present invention.
  • FIG. 6A is a block diagram illustrating the optical recording/reproducing device 10 according to the present invention.
  • FIG. 6B is a block diagram illustrating a reproduction processor 17 for reproducing data of a disc in
  • the optical recording /reproducing device 10 includes a pickup unit 11, a servo unit 14, a
  • the pickup unit 11 reads data recorded in a title record area of an optical disc, and reads management information including file information recorded in a- reproduction management area.
  • the servo unit 14 controls operations of the pickup unit 14.
  • the signal processor 13 receives a reproduction signal from the pickup unit 11, restores the received reproduction signal to a desired signal value, or modulates a signal to be recorded into another signal recorded in the optical disc, such that it transmits the
  • the memory 15 stores information needed for reproducing data of the disc.
  • the microprocessor 16 controls overall operations of the above- mentioned components contained in the optical
  • the combination of the above- mentioned components 11, 14, 13, 15, and 16 is also called a recording/reproducing unit 20, and the recording/reproducing unit 20 can be manufactured in the form of a single product.
  • a controller 12 controls all the constituent components shown in FIG. 6A. Specifically, the controller 12 receives a reproduction command of a specific title by interfacing with a user according to the present invention.
  • the reproduction processor 17 finally decodes output data upon receiving a control signal from the controller 12, and transmits the decoded result to the user.
  • the reproduction processor 17 includes a decoder 17a for decoding AV signals,
  • a player model 17b for analyzing a command or program contained in the object and a user command received from the controller 12 in association with reproduction of the above- mentioned specific title, and determining a reproduction
  • the player model 17b may include the
  • decoder 17a in some preferred embodiments, and the reproduction processor 17 may correspond to the player model shown in FIG. 6B.
  • An encoder 18 converts an input signal into a specific format
  • FIG. 6B is a detailed block diagram of the player model according to the present invention.
  • the player model includes a module manager 171, a movie module 172, a BDJ module 173, a playback control engine 174, and a presentation
  • FIG. 6B shows a player model based on a full mode during which even the Java title can be reproduced, and a detailed description thereof will hereinafter be described.
  • the movie module 172 receives a command or program contained in the above-mentioned object "M-OBJ"
  • the BDJ module 173 receives a command or program
  • J-OBJ the movie module 172 and the BDJ module 173 process the received command or program.
  • the movie module 172 includes a command processor 172a, and
  • the BDJ module 173 includes an application manager 173a and a JAVA VM 173b, such that the movie module 172 and the BDJ module 173 are capable of receiving/processing the above- mentioned command or program.
  • the application manager 173a analyzes an
  • the application manager 173b controls the Java VM 173b to reproduce a corresponding stream using the playback control engine 174.
  • the module manager 171 transmits a user command to the movie module 172 and the BDJ module 173, and controls operations of the movie module 172 and the BDJ module 173.
  • the playback control engine 174 analyzes playlist file
  • the playback control engine 174 includes a playback control function 174a for managing all the reproduction operations; a player status register (PSR) for indicating a reproduction environment or reproduction status of the player; and a player register 174b for storing general purpose register (GPR) information.
  • the playback control function 174b may
  • a presentation engine 175 performs predetermined presentation using a display, such that it can provide a user with a specific stream whose reproduction is managed by the playback control engine 174.
  • the module manager 171, the movie module 172, the BDJ module 173, and the playback control engine 174 contained in the player model shown in FIG. 6B can be processed by software. It is preferable that the above-mentioned components 171, 172, 173, and 174 are processed by software instead of hardware.
  • the presentation engine 175, the decoder 17a, and the graphic planes 17c and 17d are generally hardware based. Constituent components (e.g., 171, 172, 173, and 174) processed by software may be integrated in one unit, such that the integrated unit may be installed into the controller 12.
  • the HDMV title and the Java title receive user commands based on different schemes, respectively.
  • the HDMV title and the Java title use different methods for performing individual user commands. There is needed a predetermined unit capable of receiving the user command, and transmitting the received
  • the above-mentioned operations are performed by the user event manager 171a contained in the module manager 171.
  • the received command is determined to be a user command entered by a User Operation
  • the user event manager 171a transmits the user command to a UO controller 172b contained in the movie module 172.
  • the user event manager 171a transmits the received user command to the Java YM 173b contained in the BDJ module 173.
  • One of the modules 172 and 172 manages the above-mentioned playback control engine 174. In more detail, when
  • the movie module 172 acts as a master of the playback control engine 174.
  • the BDJ module 173 acts as a master of the playback control engine 174.
  • the graphic plane is independently managed.
  • the HDMV plane 17c controls the presentation engine 175 to act as a master, and controls the Java plane 17d to act as a master of the Java VM 173b contained in the BDJ module 173.
  • the microprocessor 16 reads reproduction management file information recorded in the loaded disc using the pickup unit 11, and stores the read reproduction management file information in the memory 15.
  • the microprocessor 16 Upon receiving a user selection command for reproducing a specific title from the controller 12, the microprocessor 16 reads specific data according to a reproduction scenario corresponding to the selected title, and transmits the read data to the player model shown in FIG. 6B. Thereafter, the
  • the player model shown in FIG. 6B recognizes a reproduction scenario on the basis of various information of a corresponding title, for example, an attribute, a dynamic scenario acting as an object file, and a static scenario acting as a playlist file, drives one of the movie module 172 and the BDJ module 173 according to the reproduction scenario, and finally reproduces a user-selected title.
  • the object file of the dynamic scenario includes a locator acting
  • the HDMV locator for reproducing the Java title can directly designate both the playlist file and a specific location contained in the playlist, whereas the HDMV locator for reproducing the HDMV title can designate only the playlist file.
  • the present invention firstly reads the above-mentioned locator information (i.e., an HDMV locator or a Java locator) , and finally reproduces data of a disc according to a reproduction scenario designated by the read locator information (i.e., an HDMV locator or a Java locator) .
  • the read locator information i.e., an HDMV locator or a Java locator

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Management Or Editing Of Information On Record Carriers (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

L'invention concerne un support d'enregistrement et un procédé et un appareil de lecture des données du support d'enregistrement. Le support d'enregistrement comprend un zone d'enregistrement dans laquelle sont enregistrés au moins un premier titre et au moins un second titre ayant différents attributs, et une zone de gestion de lecture des titres individuels ayant différents attributs. Un scénario statique et un scénario dynamique sont tous deux appliqués au premier et au second titre, le scénario dynamique étant contenu dans le premier et dans le second titre.
PCT/KR2005/002700 2004-08-17 2005-08-17 Support d'enregistrement et procede et appareil de lecture des donnees du support d'enregistrement WO2006019261A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US60199304P 2004-08-17 2004-08-17
US60/601,993 2004-08-17
KR10-2004-0080897 2004-10-11
KR20040080897 2004-10-11
KR10-2004-0086688 2004-10-28
KR20040086688 2004-10-28

Publications (1)

Publication Number Publication Date
WO2006019261A1 true WO2006019261A1 (fr) 2006-02-23

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Application Number Title Priority Date Filing Date
PCT/KR2005/002700 WO2006019261A1 (fr) 2004-08-17 2005-08-17 Support d'enregistrement et procede et appareil de lecture des donnees du support d'enregistrement

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Country Link
KR (1) KR20070050441A (fr)
WO (1) WO2006019261A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2481984A (en) * 2010-07-13 2012-01-18 Laurence Millar Digital Media File that replays differently each time

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002288941A (ja) * 2002-02-21 2002-10-04 Toshiba Corp デジタルオーディオ情報媒体、この媒体の情報再生装置、およびこの媒体への情報記録方法
EP1426961A1 (fr) * 2002-12-04 2004-06-09 Pioneer Corporation Support d'enregistrement d'information, appareil de reproduction d'information, procédé de reproduction d'information, et programme d'ordinateur
EP1437737A2 (fr) * 2003-01-07 2004-07-14 Pioneer Corporation Support d'enregistrement d'information, dispositif et procédé de reproduction d'information, et programme d'ordinateur

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002288941A (ja) * 2002-02-21 2002-10-04 Toshiba Corp デジタルオーディオ情報媒体、この媒体の情報再生装置、およびこの媒体への情報記録方法
EP1426961A1 (fr) * 2002-12-04 2004-06-09 Pioneer Corporation Support d'enregistrement d'information, appareil de reproduction d'information, procédé de reproduction d'information, et programme d'ordinateur
EP1437737A2 (fr) * 2003-01-07 2004-07-14 Pioneer Corporation Support d'enregistrement d'information, dispositif et procédé de reproduction d'information, et programme d'ordinateur

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2481984A (en) * 2010-07-13 2012-01-18 Laurence Millar Digital Media File that replays differently each time

Also Published As

Publication number Publication date
KR20070050441A (ko) 2007-05-15

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