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
  • G11B27/326—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 used signal is a video-frame or a video-field (P.I.P.)
• • 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
  • G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
  • G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
  • G11B27/034—Electronic editing of digitised analogue information signals, e.g. audio or video signals on discs
• • 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
  • G11B27/11—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier
• • 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 method and an apparatus
• optical discs capable of recording large-scale data
• HDTV and MPEG2 have been provided.
• the present invention relates to a method of managing
• the method includes determining a
• the secondary video stream represents the picture-in-picture
• information includes identifying information identifying the
• information includes display information indicating whether
• a state of the display information is set
• the instruction may be
• the navigation information includes secondary video
• the management table further
• the combination information includes combination information.
• the combination information includes combination information.
• the present invention also relates to a reproduction
• the reproduction apparatus includes a
• the memory unit is configured
• controller is configured to control reproduction of the
• the secondary video stream represents the picture-in-picture
• the memory unit includes at least one status register.
• the management information includes a flag
• the controller may set a state of the flag based on a received instruction.
• the instruction For example, the instruction
• the apparatus further includes a decoder
• controller is configured to control the decoder to decode the
• the controller is
• the management table indicates a number of secondary
• the management information includes size information indicating a size to
• video stream is displayed at the size indicated by the size information .
• the size information stored in the memory may be received from a user, an application program interface, or
• the controller is configured to control a
• the playlist indicates at least the primary
• the controller is configured to store the
• the present invention further relates to a recording medium
• the recording medium includes a secondary video stream number area and a first flag area.
• video stream number area stores a number identifying a
• the secondary video stream represents the picture-in-
• first flag area stores a first flag indicating whether the
• the present invention also relates to an apparatus and a
• FIG. 1 is a diagram of one embodiment of reproducing data
• FIG. 2 is a diagram of a file structure recorded in an
• FIG. 3 is a diagram of a recording structure of an optical disc
• FIG. 4 is a diagram for explaining a reproduction of a
• FIG. 5 is a schematic block diagram of an overall
• FIG. 6 is a schematic block diagram of a playback system
• FIG. 7 is a diagram of a data reproducing apparatus utilizing
• FIG. 8A is an exemplary diagram of a status memory unit
• FIG. 8B is an exemplary diagram of PSR14 as a part of the
• FIG. 9 is an exemplary diagram of syntax of a table including
• FIG. 10 is a flowchart of a method of reproducing data
• an optical disc such as a
• DVD Blu-ray disc
• HD-DVD Blu-ray disc
• NFR near field recording
• the present invention more particularly takes a "Blu-ray disc
• Storage may be a storage means provided within an optical record player such as shown in FIG.
• the "Storage” may be utilized as a means for storing data
• the data associated with the recording medium to be stored within the storage may
• the in the recording medium may be stored within the storage.
• Contents in the following description may be data provided by a record medium author as contents configuring a title.
• Tile as used in the following description may be a unit
• HDMV Title titles recorded within a disc shall be named a "HDMV Title”.
• Reproduction management data used in the following description means information used in managing a reproduction
• FIG. 1 shows one embodiment of reproducing data within a
• the present invention enables recording or playback of an
• optical disc according to various specifications. And, the
• optical record player 10 can be designed to record/play an
• optical disc e.g., BD
• the optical record player 10 can be made to play an optical
• BD Blu-ray disc
• peripheral device a BD-player reproducing a
• BD Blu-ray disc
• BD-recorder recording/playing a Blu-
• ray disc (BD) will be taken as an example. And, it is
• optical record player 10 includes a “drive” loadable within a computer or the like.
• the optical record player 10 is equipped with a function of recording/playing an
• optical disc 30 and a function of receiving an external input
• DMB digital multimedia
• an Internet signal or the like can be a broadcast (cast) signal, an Internet signal or the like.
• an audio stream e.g., English
• a request for downloading the audio stream (e.g.,
• association may be made by a user. To enable the requests, association
• FIG. 2 is a diagram of a file structure recorded within an optical disc as a recording medium according to an embodiment
• FIG. 2 shows a file
• At least one BDMV directory exists below
• index an index file
• the BDMV directory includes a
• Playlist directory (“PLAYLIST”) , a clipinfo directory (“CLIPINF”) , a stream directory (“STREAM”) , an
• AUXDATA auxiliary directory
• BDJO BDJO
• MEA metadata directory
• BACKUP BACKUP directory
• the JAR directory includes JAVA program files.
• the metadata directory (“META") includes a metadata file as
• the BD-J object directory (“BDJO”) includes a BD-J Object file
• auxiliary directory (“AUXDATA”) includes auxiliary files
• AUXDATA directory may include a sound file ("Sound. bdmv")
• an AV stream and at least one or more AV stream files
• the clipinfo directory (“CLIPINF”) includes clip information
• a clip information file (“*.clpi") includes attribute information
• the playlist directory (“PLAYLIST”) includes playlist files
• a playlist is a group of playing intervals for
• a playing interval is called a
• Each of the playlist files (“*.mpls") includes at
• SubPlayltem (SPI) have information about a reproduction
• the playlist can be called a set of
• Playltems metadata for managing a reproduction of a secondary video is included within the playlist file.
• the metadata includes a reproduction time
• Playltem is called "main path" and a reproduction process
• Sub path within PlayList file by each SubPlayltem is called "sub path”.
• the main path provides a master presentation of a playlist
• the main path should exist
• video data reproduced by the main path is also called primary video, and video data reproduced
• optical record player may be "PiP (Picture in Picture).
• the backup directory BACKUP stores a copy of the index file
• index (index) recording information associated with a disc
• the BACKUP directory stores these files for backup .
• FIG. 3 is a diagram of a data record structure written on an
• optical disc as a recording medium according to an embodiment of the present invention, which shows how the aforesaid file
• audio/video/graphic or a JAR file is recorded.
• system information area or the database area. In some cases,
• reproduction information of a stream can be recorded in a
• header corresponds to the management area as well. So, information associated with playback management can be
• FIG. 4 is a diagram of a reproduction mode of secondary video
• another video data associated with a primary video 410 can be requested to be output to a same
• the secondary video 420 may
• a playback of the secondary video 420 may
• the primary video 410 can be played
• video 420 can be played together with an associated audio
• video is provided to play back the secondary video. And, information for defining an audio stream, presentation
• graphic or text subtitle stream e.g., PiP PG textST stream
• a player is provided with a memory unit (e.g., PSRs) storing a
• FIG. 5 is a block diagram of an overall configuration of an
• an optical record player 10 according to
• one embodiment of the present invention includes a pickup 11
• the signal processor 13 also restoring a reproduction signal received from the pickup 11 to a specific signal value.
• the signal processor 13 also restoring a reproduction signal received from the pickup 11 to a specific signal value.
• a microprocessor 16 controls the overall optical disc
• microprocessor 16 are also collectively referred to as a
• the recording/reproducing unit reads data from an
• optical disc 30 or storage 15 under the control of a
• controller 12 and sends the read data to an AV decoder 17b.
• the recording/reproducing unit also receives an encoded signal from an AV encoder 18, and records the received signal
• the controller 12 downloads additional data present outside
• the optical recording/reproducing apparatus 10 furthermore controls the optical recording/reproducing apparatus 10
• the playback system 17 includes an AV
• the decoder 17b for decoding an AV signal.
• the AV decoder 17b may include a plurality of decoders.
• controller 12 for determining a playback direction
• the ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇
• player model 17a may be implemented as including the AV decoder 17a.
• the playback system 17 is the
• FIG. 6 is a schematic block diagram of a playback system
• a decoder 17b according to one
• decoder 610a decoding a primary video and a secondary video
• decoder 610b decoding a secondary video.
• the decoded primary and secondary videos are output via
• the controller 12 checks reproduction management data of the
• secondary video stream data may be recorded in a recording medium 30 or may be downloaded to a storage 15 from an
• optical record player 10 according to the present
• invention includes an AV encoder 18. To perform a function of
• an MPEG2 transport stream e.g., an MPEG2 transport stream according to a control of the
• controller 12 and then provides the converted signal to the
• the AV encoder Like the AV decoder 17b, the AV encoder
• the controller 12 is
• FIG. 7 shows a data reproducing apparatus utilizing a
• a "playback system” includes collection
• reproduction processing means configured as programs
• the playback system plays a
• storage e.g., data downloaded from outside.
• a playback system 17 includes "User Event
• control engine (176) ", "Presentation engine (177)” and "Virtual
• HDMV Module (174) for HDMV Titles and the "BD-J Module
• control function for receiving a command or program within
• Module (175) enable a portability of a command or
• the "Java VM (175)” is "Virtual Machine” (VM) executing an
• the "Application manager (175b)" includes an
• Module Manager (172) is provided to deliver a
• the "Playback Control Engine (176)" includes
• PSRs status registers
• GPRs general purpose registers
• Playback Control functions (176a) may mean
• registers (176b)" becomes a memory unit indicating a playback status of the secondary video.
• the memory unit will be
• the HDMV title and BD-J title receive user commands in
• a received command is a user command by "User Operation (UO) ", the "User Event Manager (171)” transfers it to the "Module
• invention may include the "Metadata Manager (173)" that
• FIG. 8A is an exemplary diagram of a status memory unit provided in a reproducing apparatus according to an
• FIG. 8B is an
• PSR player status register
• the optical record player 10 includes "Player Registers
• GPRs General purpose Registers
• the "Player Status Registers (PSRs)" can be divided into
• PSRs Physical Features Registers
• video is needed to play back the secondary video as well as a primary video.
• the present invention relates to PSR14 storing
• a secondary video e.g., a number or
• PSR14 810 as one of "Player Status
• PSRs Physical Transport Registers
• PSR14 can store a secondary video stream number.
• the PSR 14 includes a "Secondary video
• a secondary video stream number is stored in the "Secondary
• stream number is used in specifying which secondary video
• the secondary video stream number is a value for a secondary
• the secondary video stream number may be set in one embodiment from 1 to 32. If a value stored in the "secondary
• a secondary audio stream number is stored in the "Secondary audio stream number" field.
• stream number is used in specifying the secondary audio
• the secondary audio stream number is a value for a secondary
• the secondary audio stream number may be set, in one
• audio stream number" field is ⁇ 0xFF' , it means that a
• a secondary video size may be stored in the "Secondary Video
• a playback size of the secondary video is adjusted according to secondary video size information
• the secondary video size information may be included in the
• management data on the recording medium may be more particularly included in metadata for managing a playback of
• the "disp_v_flag" stored in the PSR14 810 is a flag indicating whether to 'enable' or 'disable' a screen display
• a user is unable to view the secondary video. For example,
• the secondary video decoder 610a may
• a value of the flag "disp_v_flag" can be changed by a command
• the N ⁇ disp_a_flag" stored in the PSR14 810 is a flag
• the secondary audio is not played back although the secondary audio may continue to be decoded by the decoder
• the secondary audio is decoded by the decoder 610b, and a user is able to listen to the secondary audio.
• a value of the flag "disp_a_flag" can be changed by a command
• the controller 12 checks the
• controller 12 may control the secondary video
• FIG. 9 is an exemplary diagram of the syntax of a table
• the table (hereinafter called the STN table) defines a list of basic streams that can be selected by an optical record
• the optical record player 10 possesses a function of processing a secondary
• the STN table stores entries
• the secondary audio stream identifiers are generated by adding 1 to the previous secondary audio stream identifier as
• the secondary video stream identifiers are generated by
• a "stream entry ()" field in the STN table indicates information for a stream entry. For instance, it indicates
• the stream entry identifies the stream entry
• the "stream entry ()" field includes a subclip entry id
• subpath entry id identifier
• a "stream attribute ()" field in the STN table indicates information for a stream attribute. For instance, this field
• An optical record player 10 according to an embodiment of the present disclosure
• present invention is able to reproduce a suitable video
• stream entry () For instance, a stream entry field ("stream entry ()")
• the STN table includes
• This field includes combination information for
• the secondary audio is selected based on this
• FIG. 10 is a flowchart of a method of reproducing data
• an optical record player 10 according to the present invention
• reproduction management data for managing reproductions of
• the optical record player 10 reads a STN-table within the recording medium and then checks information associated with
• the information associated with the secondary video stream includes a number
• the optical record player 10 stores the
• secondary video stream number can indicate one of the secondary video stream entries of the STN table included in a
• the memory unit may include one or more of the
• PSRs player status registers
• the optical record player 10 selects a
• the selected secondary video stream shall be a stream
• video stream shall be recorded in the memory unit (e.g., PSR
• a priority of a playback sequence can be designated
• API programming interface
• the playback status information For instance, in reproducing the secondary video stream, if information for the secondary
• the present invention provides the advantage such as a secondary video can be played together with a
• a content provider may provide various

Priority Applications (3)

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Publications (2)

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Family Applications (1)

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Cited By (1)

Family Cites Families (11)

• 2006
  • 2006-08-21 WO PCT/KR2006/003273 patent/WO2007024075A2/en active Application Filing
  • 2006-08-21 EP EP06769352A patent/EP1924992A4/de not_active Withdrawn

Non-Patent Citations (1)

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