WO2007013777A1 - Support d'enregistrement, procede et appareil de reproduction de donnees et appareil d'enregistrement de donnees - Google Patents

Support d'enregistrement, procede et appareil de reproduction de donnees et appareil d'enregistrement de donnees Download PDF

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Publication number
WO2007013777A1
WO2007013777A1 PCT/KR2006/002976 KR2006002976W WO2007013777A1 WO 2007013777 A1 WO2007013777 A1 WO 2007013777A1 KR 2006002976 W KR2006002976 W KR 2006002976W WO 2007013777 A1 WO2007013777 A1 WO 2007013777A1
Authority
WO
WIPO (PCT)
Prior art keywords
video stream
picture
primary
secondary video
path
Prior art date
Application number
PCT/KR2006/002976
Other languages
English (en)
Inventor
Kun Suk Kim
Jea Yong Yoo
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
Priority claimed from KR1020060030106A external-priority patent/KR20070014945A/ko
Application filed by Lg Electronics Inc. filed Critical Lg Electronics Inc.
Publication of WO2007013777A1 publication Critical patent/WO2007013777A1/fr

Links

Classifications

    • 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
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • 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
    • G11B27/02—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
    • 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
    • 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
    • G11B7/013—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 for discrete information, i.e. where each information unit is stored in a distinct discrete location, e.g. digital information formats within a data block or sector
    • 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 recording and reproducing
  • Optical discs are widely used as a recording medium capable
  • high-density optical recording mediums such as a Blu-ray Disc
  • Such a high-density optical recording medium which is based
  • the present invention relates to a recording medium having a
  • a primary video stream and a secondary video stream In one embodiment, a primary video stream and a secondary video stream
  • the primary video stream represents a primary
  • the management information indicates a type of the secondary
  • the management information includes a sub
  • video stream is one of a multiplexed type of picture-in- picture presentation path and a not multiplexed type of
  • the data area stores the primary video
  • the management information includes a
  • one of the types indicates whether the secondary video stream
  • a primary video stream and a secondary video stream In one embodiment, a primary video stream and a secondary video stream
  • the primary video stream represents a primary
  • managing reproduction of the picture-in-picture presentation path is stored in a management area of the recording medium.
  • the management information indicates whether the secondary
  • video stream is multiplexed with the primary video stream.
  • the present invention also relates to methods and apparatuses
  • FIG. 1 is a schematic view illustrating an exemplary
  • FIG. 2 is a schematic diagram illustrating a structure of
  • FIG. 3 is a schematic diagram illustrating a data recording structure of the optical disc as the recording medium
  • FIG. 4 is a schematic diagram for understanding a concept of
  • FIG. 5 is a block diagram illustrating an overall
  • FIG. 6 is a schematic diagram explaining a playback system according to an embodiment of the present invention.
  • FIG. 7 is a schematic diagram illustrating an exemplary
  • FIG. 8 is a schematic diagram illustrating the kinds of
  • FIGs. 9A to 9C are schematic diagrams for understanding of
  • FIG. 10 is a block diagram schematically illustrating an AV
  • FIGs. HA to HC are schematic diagrams for understanding of
  • FIG. 12 is a flow chart illustrating an exemplary embodiment
  • optical disc as an example recording medium.
  • optical disc as an example recording medium.
  • BD Blu-ray disc
  • Storage as generally used in the embodiments is a storage
  • the storage is an element in which the user freely
  • hard disk there are a hard disk, a system memory, a flash memory, and
  • medium is externally-downloaded data.
  • the recording medium for example, metadata
  • original data the data stored in
  • title defined in the present invention means a reproduction unit interfaced with the user. Titles are
  • HDMV High Definition Movie
  • BD-J titles content provider to create high interactivity
  • FIG. 1 illustrates an exemplary embodiment of the combined use of an optical recording/reproducing apparatus according
  • the optical recording/reproducing apparatus 10 according to
  • apparatus 10 may be designed to have recording and
  • BD-player for playback of a BD
  • BD-recorder for playback of a BD
  • apparatus 10 of the present invention may be a drive which
  • representative external input signals may be digital multimedia broadcasting-based signals, Internet-based signals,
  • desired data on the Internet can be used after being downloaded
  • Content as used in the present invention may be the content
  • a multiplexed AV stream of a certain title may be recorded in an optical disc as
  • audio stream of the original data may be generated.
  • the audio stream may desire to download the audio stream (for example, Korean
  • Data of any attribute may be used as additional data as long
  • FIG. 2 illustrates a file structure for reproduction and management of original data recorded in a BD in accordance
  • the file structure of the present invention includes a root
  • index file index.bdmv
  • object file MerovieObject .bdmv
  • the JAR directory includes JAVA program files.
  • the metadata directory META includes a file of data about
  • Such a metadata file may
  • Such metadata files are used for efficient search and
  • the BD-J directory BDJO includes a BD-J object file for reproduction of a BD-J title.
  • the auxiliary directory AUXDATA includes an additional data
  • directory AUXDATA may include a "Sound. bdmv" file for
  • the stream directory STREAM includes a plurality of files of
  • a title is composed of at least one AV stream file.
  • the clip information (clip-info) directory CLIPINF includes
  • clip That is, a clip is indicative of data including both
  • the playlist directory PLAYLIST includes a plurality of
  • Playlist means a combination of playing intervals of clips. Each playing interval is
  • Each of the playitems and subplayitems includes
  • a playlist may be a combination of playitems.
  • subplayitem is defined as a "sub path".
  • Each playlist file should include
  • Each playlist file also includes at least one
  • file is a basic reproduction/management file unit in the
  • video data which is reproduced through a main path
  • a main path video data, which is reproduced through a main path
  • a secondary video through a sub path, is referred to as a secondary video.
  • PiP picture-in-picture
  • the backup directory BACKUP stores a copy of the files in the
  • the disc for example, a copy of the index file "index. bdmv",
  • the backup directory BACKUP is
  • FIG. 3 illustrates a data recording structure of the optical
  • FIG. 3 recorded structures of information associated with
  • the disc includes a file
  • system information area recorded with system information for
  • JAR area recorded with JAVA program files The areas are arranged in the above-descried order when viewing from the
  • management area The file system
  • FIG. 3 The areas of FIG. 3 are shown and described only for
  • the sub path type may be classified based on
  • video metadata is stored in the management area.
  • the secondary video metadata is data for managing reproduction of the secondary video.
  • the timeline type information is data for managing reproduction of the secondary video.
  • FIG. 4 is a schematic diagram for understanding of the
  • the present invention provides a method for reproducing
  • the present invention provides an optical recording/reproducing apparatus that enables a PiP
  • the video of the comments or episode is a
  • the secondary video 420 can be
  • the reproduction of the secondary video 420 may be begun at
  • plurality of secondary videos 420 may also be implemented.
  • the secondary videos 420 may be reproduced
  • the primary video 410 can be reproduced along with an audio 410a associated with the primary video
  • the secondary video 420 can be reproduced along with an audio 420a associated with the secondary video 420.
  • the AV stream For reproduction of the secondary video, the AV stream, in
  • the secondary video is separated from the AV stream, for
  • present invention provides a preferable method capable of satisfying the above-described requirements, and efficiently
  • FIG. 5 illustrates an exemplary embodiment of the overall configuration of the optical recording/reproducing apparatus
  • the optical recording/reproducing circuit As shown in FIG. 5, the optical recording/reproducing circuit
  • apparatus 10 mainly includes a pickup 11, a servo 14, a
  • the management data includes reproduction
  • the servo 14 controls operation
  • the signal processor 13 receives a
  • signal processor 13 also modulates signals to be recorded,
  • microprocessor 16 controls the operations of the pickup 11,
  • 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.
  • recording/reproducing unit functions as a reader unit for
  • the recording/reproducing unit also receives an
  • the recording/reproducing unit can record video and audio data in the optical disc 30.
  • the controller 12 downloads additional data present outside
  • the controller 12 generates sub path type
  • the controller 12 also generates timeline type information
  • timeline type information in the optical disc 30, along with the metadata is
  • the optical recording/reproducing apparatus 10 furthermore controls the optical recording/reproducing apparatus 10
  • the playback system 17 includes an AV
  • decoder 17b for decoding an AV signal.
  • the player model 17a may be implemented as including the AV decoder 17b.
  • the playback system 17 is the player model itself.
  • the AV decoder 17b may include a plurality of decoders
  • the AV encoder 18 which is also included in the optical
  • an MPEG2 transport stream for example, an MPEG2 transport stream, and sends the
  • FIG. 6 is a schematic diagram explaining the playback system
  • the playback system in accordance with the present invention, the playback system
  • Playback system means a collective reproduction processing
  • the playback system is a system which
  • optical recording/reproducing apparatus but also can
  • the playback system 17 may
  • a user event manager 171 includes a user event manager 171, a module manager 172, a
  • a playback control engine 176 a playback control engine 176, a presentation engine 177, and
  • the HDMV module As a separate reproduction processing/managing means for reproduction of HDMV titles and BD-J titles, the HDMV module
  • HDMV module 174 and BD-J module 175 has a control function
  • module 174 and BD-J module 175 can separate an associated command or application from the hardware configuration of the
  • the HDMV module 174 includes a command processor 174a.
  • VM 175 includes a Java Virtual Machine (VM) 175a, and an
  • the Java VM 175a is a virtual machine in which an application is executed.
  • the application manager 175b includes an
  • the module manager 172 functions not only to send user
  • a playback control engine 174 and BD-J module 175.
  • the playback control engine 176 includes playback
  • GPRs purpose registers
  • control functions 176a mean the playback control engine 176
  • the HDMV module 174 and BD-J module 175 receive user commands
  • HDMV module 174 and BD-J module 175 are independent manners, respectively.
  • the user event manager 171 receives a user command generated
  • event manager 171 receives a user command generated through a
  • the user event manager sends the received user
  • the playback system 17 of the present invention may also be any one of the playback system 17 of the present invention.
  • the metadata manager 173 includes a metadata manager 173.
  • the metadata manager 173 can perform
  • the metadata manager 173 can also provide, to the user, recording
  • the module manager 172 HDMV module 174, BD-J module 175, and
  • constituent elements for example, constituent elements designated by
  • FIG. 7 illustrates an exemplary embodiment of the secondary
  • management data will be described in conjunction with an example in which the management data is PiP metadata.
  • the PiP metadata may be included in a playlist which is a
  • FIG. 7 illustrates PiP metadata blocks included in an ⁇ ExtensionData' block of a
  • Metadata may include at least one block header
  • the block header 910 includes header
  • the block header 910 may include a field indicating playitem
  • ⁇ secondary_video_stream_id[k] ' stream identifying information
  • the ⁇ PlayItem_id [k] ' is a value corresponding to a playitem including an STN table in
  • Metadata are sorted in an ascending order of the
  • the associated block data 920 is applied. That is, it is
  • the optical recording/reproducing apparatus 10 can be any optical recording/reproducing apparatus 10.
  • information as to the sub path type is also recorded in a database file.
  • the first sub path type is associated
  • the second sub path type is associated with the case in which the secondary video is encoded in a stream
  • third sub path type is associated with the case in which the
  • secondary video is encoded in the same stream as the primary
  • FIGs. 9A to 9C are schematic diagrams for understanding of
  • FIG. 9A illustrates the case in which the secondary video is
  • the main path is configured by four
  • video through one sub path is begun at a time during the reproduction of the primary video.
  • Each of the playitems and subplayitems includes
  • FIG. 10 schematically illustrating an AV decoder
  • TS transport stream
  • the AV stream which is reproduced through a main
  • main transport stream (hereinafter,
  • main stream referred to as a "main stream"
  • AV stream an AV stream other than
  • the main stream is referred to as a sub transport stream
  • main stream is depacketized by a source • depacketizer 710a.
  • Data contained in the depacketized AV stream is supplied to an associated one of decoders 730a to 73Og after being
  • 720a may pass through another switching element before receipt by the decoders 730b-730g.
  • the buffered sub stream is depacketized by a
  • AV stream is supplied to an associated one of the decoders 730a to 73Og after being separated from the depacketized AV
  • 720b may pass through another switching element before receipt by the decoders 730b-730f.
  • the primary video is decoded in a primary video
  • audio decoder 73Of and a text decoder 73Og, respectively.
  • the decoded primary video, secondary video, PG, and IG are the decoded primary video, secondary video, PG, and IG.
  • the presentation graphics plane 740c can also reproduce graphic
  • the controller 12 performs a control operation
  • FIG. 9B illustrates the case in which the secondary video is
  • streams are multiplexed in a state separate from a clip to be
  • sub path type of FIG. 9B is different from the sub path type
  • the main path is configured by three
  • the secondary video which is
  • apparatus 10 can operate irrespective of the above-described
  • the user can view the secondary video at any time during the reproduction of the primary video.
  • the secondary video is provided to the AV decoder 17b as a
  • FIG. 9C illustrates the case in which the secondary video is
  • the path is synchronous with the main path (830) .
  • the sub path is synchronous with the main path (830) .
  • FIG. 9C is different from those of FIGs. 9A and 9B in
  • the main path is configured by four playitems ( ⁇ Pla ' yItem_id'
  • constituting the sub path includes information for
  • each subplayitem is synchronized
  • the secondary video is synchronized with
  • the secondary video is provided to the AV
  • decoder 17b along with the primary video, as a main stream.
  • the main stream which is packetized data including the
  • depacketizer 710a is then sent to the PID filter-1 720a.
  • decoders 730a to 730g so as to be decoded. That is, the
  • the secondary video is output from the secondary video decoder
  • the controller 12 performs a control operation
  • the main stream and sub stream may be provided from the
  • the primary video may be any different clips, respectively.
  • the secondary video may be downloaded from the outside of the recording medium 30 to the storage 15.
  • one of the primary and secondary videos may be copied to the storage 15,
  • the block header 910 may also include
  • FIGs. HA to HC are schematic diagrams for understanding of secondary video timeline types according to embodiments of the present invention.
  • the block data 920 may include time stamp information indicating a point where PiP metadata is placed (hereinafter, ⁇ pip_metadata_time_stamp' ) .
  • the ⁇ pip_timeline_type [k] ' is classified in accordance with the type of the timeline referred to by the entries of the above-described ⁇ pip_metadata_time_stamp [i] ' , namely, the type of the timeline referred to by PiP metadata.
  • PiP timeline types will be described in detail with reference to ⁇ pip_timeline_type [k] ' and ⁇ pip_metadata_time_stamp [i] ' . In the PiP timeline type of FIG.
  • ⁇ pip_metadata_time_stamp' refers to the timeline of the playitem indicated by PiP metadata.
  • ⁇ pip_metadata_time_stamp' points to presentation time from the intervals that the associated subplayitem intervals are projected on the timeline of the playitem
  • ⁇ PlayItem_id[k] ' referred to by ⁇ PlayItem_id[k] ' .
  • ⁇ pip metadata time_stamp [0] ' and 'pip_metadata_time_stamp [m] ' are put at the beginning points
  • the block data 920 includes at least one block of secondary
  • i-th ⁇ pip__composition_metadata' is secondary video composition information which is valid between
  • the secondary video composition information is information
  • the secondary video Referring to FIG. 7, the secondary video
  • composition information may include position information of
  • ⁇ pip_vertical_position [i] ' (hereinafter, referred to as ⁇ pip_vertical_position [i] ' ) .
  • the information ⁇ pip_horizontal_ ⁇ osition' represents a
  • ⁇ pip_vertical_position' represents a vertical
  • the display size and position of the secondary video on the screen are determined
  • the secondary video refers
  • the secondary video is
  • reproduction of the main path has jumped or moved back or .
  • FIG. HB illustrates the case in which the PiP presentation
  • the PiP presentation path is asynchronous with the main path.
  • the secondary video is
  • secondary video refers to the timeline of the subplayitem.
  • ⁇ secondary_video_time_stamp_id [k] ' corresponds to the sub path type 820 described in conjunction with FIG. 9B.
  • FIG. HC illustrates the case in which the PiP presentation
  • FIG. HA the timeline of the playitem is referred to in the
  • ⁇ pip_metadata_time_stamp' indicates a presentation time of the interval of the playitem indicated by ⁇ PlayItem_id [k] ' .
  • timeline type of FIG. HC is similar to the timeline type of
  • FIG. HA In the case of the timeline type of FIG. HC,
  • PiP metadata refers to the timeline of the playitem in the timeline type of FIG. HC.
  • PiP may be included in the headers of secondary video streams implementing PiP.
  • FIG. 12 illustrates an exemplary embodiment of a data
  • reader unit which may be the pickup 11, reads data from the
  • the controller 12 checks
  • the controller 12 checks the sub path type of the
  • subplayitem identified based on the timeline type (S1220) .
  • the PiP metadata is applied to the secondary video, starting from ⁇ pip_composi ⁇ ;xon_metactata'
  • ⁇ pip_metadata_time_stamp' indicates a presentation time in
  • ⁇ pip_vertical_position[i] ' and ⁇ pip_scale [i] ' , are applied to the secondary video.
  • the ⁇ pip_horizontal_position [i+1] ' is applied to the secondary video.
  • ⁇ pip_vertical_position [i+1] ' and ⁇ pip_scale [i+1] ' are applied to the secondary video for an interval from
  • the secondary video is displayed on the primary video.
  • the controller 12 determines whether or not the
  • the controller 12 performs a
  • the controller 12 can perform a PiP application
  • the secondary video is provided to the AV
  • the secondary video is provided to the AV decoder 17b as part of a main stream.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Television Signal Processing For Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

Dans une exécution, un flux de données vidéo primaire et un flux de données vidéo secondaires sont stockés dans une zone à cet effet du support d'enregistrement. Le flux de données vidéo primaire représente un premier parcours de présentation, et le flux de données vidéo secondaires représente une présentation image dans image par rapport au premier parcours de présentation. Les informations gérant la reproduction de la présentation image dans image, qui sont stockées dans une zone à cet effet du support d'enregistrement, indiquent le type du flux de données vidéo secondaires, selon qu'il est ou non multiplexé avec le flux de données vidéo primaire.
PCT/KR2006/002976 2005-07-29 2006-07-28 Support d'enregistrement, procede et appareil de reproduction de donnees et appareil d'enregistrement de donnees WO2007013777A1 (fr)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US70346205P 2005-07-29 2005-07-29
US60/703,462 2005-07-29
US70980705P 2005-08-22 2005-08-22
US60/709,807 2005-08-22
US73741205P 2005-11-17 2005-11-17
US60/737,412 2005-11-17
KR10-2006-0030106 2006-04-03
KR1020060030106A KR20070014945A (ko) 2005-07-29 2006-04-03 기록매체, 데이터 재생방법 및 재생장치와 데이터 기록방법및 기록장치

Publications (1)

Publication Number Publication Date
WO2007013777A1 true WO2007013777A1 (fr) 2007-02-01

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PCT/KR2006/002961 WO2007013769A1 (fr) 2005-07-29 2006-07-27 Support d'enregistrement, procede et appareil de reproduction de donnees et procede et appareil d'enregistrement de donnees
PCT/KR2006/002976 WO2007013777A1 (fr) 2005-07-29 2006-07-28 Support d'enregistrement, procede et appareil de reproduction de donnees et appareil d'enregistrement de donnees

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PCT/KR2006/002961 WO2007013769A1 (fr) 2005-07-29 2006-07-27 Support d'enregistrement, procede et appareil de reproduction de donnees et procede et appareil d'enregistrement de donnees

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EP (1) EP1911025A4 (fr)
KR (1) KR20080034178A (fr)
WO (2) WO2007013769A1 (fr)

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KR20130127423A (ko) * 2010-07-13 2013-11-22 톰슨 라이센싱 멀티미디어 애플리케이션을 위한 pip 방법

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