CN1826652B - Recording medium having a data structure for managing reproduction of text subtitle data recorded thereon and recording and reproducing methods and apparatuses - Google Patents

Recording medium having a data structure for managing reproduction of text subtitle data recorded thereon and recording and reproducing methods and apparatuses Download PDF

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Publication number
CN1826652B
CN1826652B CN2004800213426A CN200480021342A CN1826652B CN 1826652 B CN1826652 B CN 1826652B CN 2004800213426 A CN2004800213426 A CN 2004800213426A CN 200480021342 A CN200480021342 A CN 200480021342A CN 1826652 B CN1826652 B CN 1826652B
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China
Prior art keywords
text subtitle
data
information segment
subtitle information
recording medium
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CN2004800213426A
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Chinese (zh)
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CN1826652A (en
Inventor
金炳振
徐康洙
金亨宣
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LG Electronics Inc
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LG Electronics Inc
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Publication date
Priority claimed from KR1020030051252A external-priority patent/KR20050012328A/en
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Priority claimed from PCT/KR2004/001827 external-priority patent/WO2005010882A1/en
Publication of CN1826652A publication Critical patent/CN1826652A/en
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Publication of CN1826652B publication Critical patent/CN1826652B/en
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    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/488—Data services, e.g. news ticker
    • H04N21/4884—Data services, e.g. news ticker for displaying subtitles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
    • H04N9/8205—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal
    • 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

Abstract

In the data structure for managing reproduction of text subtitle data, a text subtitle information area stores at least one text subtitle information segment. The text subtitle information segment is represented by a single PES packet of transport packets. In one embodiment, the text subtitle information segment includes an identifier identifying the text subtitle information segment as a text subtitle information segment.

Description

Have the recording medium of the data structure that is used for management accounts data, text subtitle reproduction above that and the method and apparatus of record and reproduction
Technical field
The present invention relates to a kind of method and equipment such as Blu-ray disc (Blu-ray Disk)-note high-density recording media of ROM (BD-ROM) and relevant record and reproduction.
Background technology
The CD that can store a large amount of high-quality digital video/audio data and DVD recording/reproducing apparatus such as DVD (digital versatile disc) can have been bought on the market now.
Be superimposed upon on the DVD main video data such as title or flag data such subtitle data be recorded on it as graph data.Optical disc reproducing equipment reproduces subtitle graphic data and the main video data of DVD and main video data and subtitle data is presented on the external display device that is connected in optical disc reproducing equipment together.
Therefore, the user of this optical disc reproducing equipment can use the display device that is connected in optical disc reproducing equipment to watch to be superimposed with the main video data of relevant subtitle data (being captions or sign image).
Meanwhile, the standard that has the new high density compact disc of high storage capacity more than DVD is also in fast development.Blu-ray disc ROM (RD-ROM) is a kind of in this new CD.Be used to manage and reproduce the subtitle data of BD-ROM and the effective ways of graphic image data produce as yet.
Summary of the invention
Recording medium according to the present invention comprises the data structure that is used to manage the data, text subtitle reproduction.
In one embodiment, at least one text subtitle information segment of recorded medium stores.The PES that text subtitle information segment is divided into groups by transmission divides into groups to represent.Text subtitle information segment comprises the identifier that text subtitle information segment is identified as text subtitle information segment.
In another embodiment, at least one PES of recorded medium stores divides into groups.This PES divides into groups to comprise the transmission grouping of representing text subtitle information segment.Text subtitle information segment comprises the identifier that text subtitle information segment is identified as text subtitle information segment.
The present invention also is provided for writing down and reproducing equipment and the method according to data structure of the present invention.
Description of drawings
Comprise with provide the accompanying drawing that the present invention is further understood illustrate exemplary embodiment of the present invention and and instructions be used for explaining principle of the present invention together.
In the drawings:
Fig. 1 illustrates according to the present invention, be presented at the example of a plurality of objects in the page;
Fig. 2 illustrates according to the present invention, be recorded in the presentation graphic data on the high density compact disc;
Fig. 3 illustrates according to the present invention, be recorded in the exemplary embodiment that the page on the high-density recording media constitutes the data structure of section;
Fig. 4 illustrates according to the present invention, be recorded in an exemplary embodiment of the data structure of the color definition section on the high-density recording media.
Fig. 5 illustrates according to the present invention, be recorded in an exemplary embodiment of the data structure of the object data segment on the high density compact disc.
Fig. 6 illustrates according to the present invention, be recorded in the exemplary embodiment of data structure of the ending of the demonstration section of setting on the high density compact disc.
Fig. 7 illustrates the synoptic diagram of an embodiment of optical disc reproducing equipment of the present invention.
Fig. 8-11 illustrates the example of wherein representing dissimilar presentation graphic data according to the present invention selectively; And
Figure 12 illustrates according to the present invention, be recorded in another embodiment that the page on the high-density recording media constitutes the data structure of section.
Embodiment
In order to understand the present invention fully, will consult accompanying drawing now its exemplary embodiment will be described.
According to the present invention, a plurality of objects of presentation graphic data can be included in the page.For example nearly two object can be presented in the page shown in Figure 1.The object that is recorded in the presentation graphic data on the BD-ROM can be by record as data, text subtitle, BMP (bitmap) subtitle data, graphic image data etc.A zone of each object definition presentation graphic data.
Data, text subtitle, BMP subtitle data or graphic image data corresponding to each object are write down as an object data segment (ODS).At least one object data segment (ODS) can connect the same page and constitute section (PCS), a color lookup table definition (CDS) and show that the ending (END) of the section of setting is managed with level form shown in Figure 2 together.To each above-mentioned section be elaborated below.
Each section in the hierarchical structure is before being recorded on the BD-ROM, and the basic stream (PES) that at first is organized into the MPEG grouping divides into groups and be organized into MPEG once more to transmit divide into groups (TPs).Be that each section (for example PCS, CDS, ODS etc.) is divided into groups to represent by a PES.Unique packet ID corresponding to object data segment (ODS) data type is written into corresponding PES grouping.For example, if object data segment is the BMP subtitle data, then unique packet ID (being PID_bmp) is written in the corresponding PES grouping.Equally, if object data segment is a text subtitle, then unique packet ID (being PID_text) is write corresponding PES and divide into groups.Therefore, the compact disk equipment that is used for reproducing BD-ROM is written to the packet ID that PES divides into groups through inspection and discerns the data type that each PES divides into groups.Presentation graphs figurate number and main audio/video flowing are multiplexed into a MPTS and are stored as a file.
Fig. 3 illustrates according to the present invention, be recorded in the exemplary embodiment that the page on the high-density recording media constitutes the data structure of section.As shown in the figure, the page constitutes section (PCS) and comprises and segment type, segment length, the page is overtime, page version is relevant with page status information.Segment type is to indicate the information that this section is a page formation section (PCS).The length of the segment length section of indicating.The page is overtime to be to represent the information that removes in the buffering of buffered data from reproducer with respective page when.Page version indicates the version of this PCS.Page status indicates the state (for example only upgrading the CDS that is linked in ODS) of PCS.
The page constitutes the designator that section (PCS) also comprises color look-up table ID (CLUT_id) and object physical quantities.CLUT ID representes the designator of CLUT, and the CDS with identical CLUT ID is linked in PCS.To each object entry (being each zone of presentation graphic data), PCS also comprises object ID, object crop marks (is_object_cropping) and object horizontal/vertical address.Object ID indicates the identifier of object and each ODS with this object ID is linked in PCS (hereinafter will specify).Like this, can ODS and CDS be linked at together through CLUT ID and the object ID that in PCS, provides.The object horizontal/vertical address indicates the position (that kind for example shown in Figure 1) of the object on the representation page.
If being set, object crop marks (is_object_cropping) is that " 1 ", object crop marks information can comprise object horizontal/vertical shearing data and object shearing width/altitude information.Object horizontal/vertical is sheared data and object shearing width/length data and is write down with display object image partly.Specifically, object horizontal/vertical is sheared the position of information specifies scissor rectangle (shear zone), and this scissor rectangle has the size that is provided by object shearing width/length.Only show and be positioned at that part of object of scissor rectangle.
Fig. 4 illustrates according to the present invention, be recorded in an exemplary embodiment of the data structure of the color lookup table definition on the high-density recording media.As shown in the figure, color lookup table definition (CDS) comprises segment type, segment length and color look-up table ID (CLUT_id).Segment type is identified as CDS with this section, and segment length indicates the length of this CDS.The CLUT id information indicates the CLUT family under this CDS.Just as that kind of hereafter, CDS provides single color definition.CLUT family provides the palette of therefrom selecting color definition.
Color lookup table definition also can comprise the information about color look-up table Entry ID, brightness value (Y value), red chromatic value (Cr value), blue chromatic value (Cb value) and transparence value (T value).Therefore, when being linked in object through PCS, the color attribute of these value control institute display object, for example lightness or brightness, colourity (Cr or Cb) and transparency.Clauses and subclauses in the CLUT family of CLUT Entry ID this CDS of identification under it (through CLUT ID identification).
Fig. 5 illustrates according to the present invention, be recorded in the exemplary embodiment of the data structure of the object data segment on the high-density recording media.As shown in the figure, object data segment (ODS) comprises segment type, segment length and the most last (last-in) sequence.Segment type is to indicate the information that this section is object data segment (ODS).The length of the segment length section of indicating.Whether the most last sequence information indicates this is to reproduce ODS for it last required ODS of object of object data to be provided.The back will be appreciated that, forms the ODS value above that this object will spend object data.
Object data segment (ODS) also comprises object ID, object type, object source, object width, object height and running length sign indicating number etc.Whether object type indicates this object data segment is text subtitle segment, BMP subtitle segment, BMP graph segments etc.That is, object type identification is by the data type of object data represents.For example, object type values " 0,000 0001 ", " 0,000 0010 " and " 0,000 0100 " difference presentation graphic view data, BMP subtitle data and data, text subtitle.
Object source is to indicate this object whether to be recorded in the information on the BD-ROM dish.The compact disk equipment that is used to reproduce BD-ROM can determine whether will as the presentation graphic data representation to as if be recorded in object on the BD-ROM still from object such as the such network download in internet.For example, can write down object source code " 0,000 1111 " to represent that this BD-ROM dish is an object source.Object-type information and object source information both or wherein any all can be included in the corresponding object data segment.
Object width indicates the width of object, and object height indicates the height of object.Variation of run length code is with the run length coding form data bitmap to be provided under the situation of bitmap object at object.If should then character code can be provided to liking text subtitle.
Fig. 6 illustrates according to the present invention, be recorded in the exemplary embodiment of data structure of the ending of the demonstration section of setting on the high-density recording media.As shown in the figure, show that the ending of the section of setting (END) comprises segment type, reserve part and segment length.It is the ending that shows the section of setting that segment type indicates this section.Reserve part is waited until in the future and is used, and segment length indicates the length of this section.
Fig. 7 illustrates the synoptic diagram according to an embodiment of video disc recording of the present invention and reproducer.As shown in the figure, 9 receptions of AV scrambler and coded data (for example data, text subtitle etc.).AV scrambler 9 will be exported with coded message and stream attribute information through coded data.Multiplexer 8 is multiplexed to create for example mpeg 2 transport stream to carrying out through coded data based on coded message and stream attribute information.Source burster 7 will be grouped into from the transmission of multiplexer 8 according to the audio/video format of CD during the source divides into groups.As shown in Figure 7, the operation of AV scrambler 9, multiplexer 8 and source burster 7 is controlled by controller 10.User in the operation of controller 10 receiving records imports and control information is offered AV scrambler 9, multiplexer 8 and source burster 7.For example, the type of coding that controller 10 will be carried out sends instructions to AV scrambler 9 usefulness, and the MPTS that will create sends instructions to multiplexer 8, and the source packet format is sent instructions to source burster 7.Controller 10 also Control Driver 3 with will be to CD from the output record of source burster 7.
For example; Based on the information that receives via user interface (for example being stored in the instruction set that dish is gone up, provided through intranet or internet by computer system), controller 10 Control Driver 3 (will be described hereinafter the data structure records of one or more Fig. 2 to Fig. 6 and Figure 12) on CD.
In the reproduction process, controller 10 Control Driver 3 are reproduced this data structure.Import based on the information that comprised of dish and through the received user of user interface (for example control knob on record and the reproducer or the far-end that links with this equipment), controller 10 Control Driver 3 with reproduction from optical disc data.
Divide into groups to be separated burster 4 through the source of reproducing and receive and convert to data stream (for example MPEG-2 transport packet stream) by the source.Demultiplexer 5 resolves into this data stream multichannel through coded data.6 pairs of AV demoders are decoded through coded data and are delivered to the primary data of AV scrambler 9 with generation.In the reproduction process, controller 10 Controlling Source are separated the operation of burster 4, demultiplexer 5 and AV demoder 6.User in the controller 10 reception reproduction operations imports and control information is offered AV demoder 6, demultiplexer 5 and source burster 4.For example, the decoding type that controller 10 will be carried out sends instructions to AV demoder 9, and the MPTS that will multichannel decomposes sends instructions to send instructions to demultiplexer 5 and with the source packet format and separates burster 4 to the source.
Although Fig. 7 describes with reproducer to record, be appreciated that also can use to provide among Fig. 7 and write down or those parts of representational role and recording unit only is provided or reproducer only is provided.
When the presentation graphic data on being recorded in BD-ROM 1 are reproduced, the data of at least a type in corresponding data, text subtitle, BMP subtitle data and the graphic image data of object type that controller 10 is represented to have selected with the user selectively or object source.
If the user of compact disk equipment asks the object of render graphical images data and the object of BMP subtitle data selectively, controller 10 is the BMP subtitle data of " 0,000 0010 " for the graphic image data of " 0,000 0001 " with the object type sign indicating number through object-type information and the anchored object type codes that inspection is included in the object data segment just.Controller 10 presentation graphic image data objects (object 1) and BMP subtitle data object (object 2) in a page shown in Figure 8 then.
If user request is reproduced when being recorded in the object of the graphic image data in the presentation graphic data among the BD-ROM 1 selectively, controller 10 just is the graphic image data of " 0,000 0001 " through object-type information and the anchored object type codes that inspection is included in the object data segment.Controller 10 only is illustrated in the object (object 1) of graphic image data in the page shown in Figure 9 then.
If user request is reproduced when being recorded in the object of the BMP subtitle data in the presentation graphic data among the BD-ROM 1 selectively, controller 10 just is the BMP subtitle data of " 0,000 0010 " through object-type information and the anchored object type codes that inspection is included in the object data segment.Controller 10 only is illustrated in the object (object 2) of BMP subtitle data in the page shown in Figure 10 then.
If user request is reproduced when being recorded in the object of the data, text subtitle in the presentation graphic data among the BD-ROM 1 selectively, controller 10 just is the data, text subtitle of " 0,000 0100 " through object-type information and the anchored object type codes that inspection is included in the object data segment.Controller 10 only is illustrated in the object (object 2) of data, text subtitle in the page shown in Figure 11 then.In this case, the object of the object of data, text subtitle and BMP subtitle data can replace or be presented in the different positions each other.
If user's request is reproduced through the object such as the such network download in internet selectively; Rather than be recorded in the object on the BD-ROM 1; Controller 10 just checks object source information and gets rid of the object of the code value (for example " 0,000 1111 ") with the indication object that writes down, thus selectively reproduction from the object of network download.
But controller 10 reference object source information and object-type information, and reproduce the object be recorded in the particular type on the BD-ROM with separately or side by side from the object of the particular type of network download.
Figure 12 illustrates according to the present invention, be recorded in another exemplary embodiment that the page on the high-density recording media constitutes the data structure of section.As shown in the figure, the object-type information and the object source information that are included in the object data segment (ODS) are involved in page formation section (PCS).In this case, the controller 10 of compact disk equipment constitutes object source and the object-type information in the section (PCS) and carries out the abovementioned steps that is used to reproduce the presentation graphic data with reference to being included in the page.
The present invention provides has the recording medium that is used to manage the data structure that subtitle data reproduces, and is provided for the method and apparatus of data structure records on recording medium.
Although the present invention is with respect to the embodiment of limited quantity and disclosed, yet through reading instructions, those skilled in that art will therefrom guess and multiple correction and change.For example, although in some examples, describe round blue light ROM CD, yet the present invention is not limited to compact disk standards or is confined to CD.It is intended to cover all and drops on correction and change in the spirit and scope of the invention.

Claims (4)

1. one kind will be used to manage the method for data structure records on recording medium that data, text subtitle is reproduced, and said method comprises:
At least one text subtitle information segment is recorded on the recording medium; The PES that said text subtitle information segment is divided into groups by transmission divides into groups to represent; Said PES grouping comprises the packet identifier that is used to discern packet type; Said text subtitle information segment comprises the section identifier that text subtitle information segment is identified as the text subtitle information segment type
In wherein said at least one text subtitle information segment one uses object identifier and is linked to the page and constitutes defined type information in the section.
2. one kind is used for reproducing the method be used to manage the data structure that data, text subtitle reproduces from recording medium, comprising:
From at least one text subtitle information segment of recording medium reproducing; The PES that said text subtitle information segment is divided into groups by transmission divides into groups to represent; Said PES grouping comprises the packet identifier that is used to discern packet type; Said text subtitle information segment comprises the section identifier that text subtitle information segment is identified as the text subtitle information segment type
In wherein said at least one text subtitle information segment one uses object identifier and is linked to the page and constitutes defined type information in the section.
3. one kind will be used to manage data structure records that data, text subtitle the reproduces equipment to the recording medium, comprise:
Driver, be configured to drive optical recording apparatus with data recording to recording medium; And
Controller; Be configured to Control Driver so that at least one text subtitle information segment is recorded on the recording medium; The PES that said text subtitle information segment is divided into groups by transmission divides into groups to represent; Said PES divides into groups to comprise that the packet identifier that is used to discern packet type, said text subtitle information segment comprise the section identifier that text subtitle information segment is identified as the text subtitle information segment type
In wherein said at least one text subtitle information segment one uses object identifier and is linked to the page and constitutes defined type information in the section.
4. one kind is reproduced the equipment be used to manage the data structure that data, text subtitle reproduces from recording medium, comprising:
Driver is configured to drive optical reproducing apparatus and is recorded in the data on the recording medium with reproduction; And
Controller; Be configured to Control Driver from least one text subtitle information segment of recording medium reproducing; The PES that said text subtitle information segment is divided into groups by transmission divides into groups to represent; Said PES divides into groups to comprise that the packet identifier that is used to discern packet type, said text subtitle information segment comprise the section identifier that text subtitle information segment is identified as the text subtitle information segment type
In wherein said at least one text subtitle information segment one uses object identifier and is linked to the page and constitutes defined type information in the section.
CN2004800213426A 2003-07-24 2004-07-22 Recording medium having a data structure for managing reproduction of text subtitle data recorded thereon and recording and reproducing methods and apparatuses Active CN1826652B (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
KR1020030050948 2003-07-24
KR10-2003-0050948 2003-07-24
KR1020030050948A KR20050011887A (en) 2003-07-24 2003-07-24 Method for managing and reproducing a presentation graphic data of high density optical disc, and high density optical disc therof
KR1020030051252 2003-07-25
KR1020030051252A KR20050012328A (en) 2003-07-25 2003-07-25 Method for managing and reproducing a presentation graphic data of high density optical disc, and high density optical disc therof
KR10-2003-0051252 2003-07-25
PCT/KR2004/001827 WO2005010882A1 (en) 2003-07-24 2004-07-22 Recording medium having a data structure for managing reproduction of text subtitle data recorded thereon and recording and reproducing methods and apparatuses

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CN1826652A CN1826652A (en) 2006-08-30
CN1826652B true CN1826652B (en) 2012-09-12

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100818926B1 (en) * 2006-10-31 2008-04-04 삼성전자주식회사 Apparatus and method for handling presentation graphic of optical disk
KR101291422B1 (en) * 2007-01-02 2013-07-30 엘지전자 주식회사 Microwave range having hood

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6381513B1 (en) * 1995-01-31 2002-04-30 Hitachi, Ltd. Electronic information distributing terminal equipment
US6477185B1 (en) * 1997-11-17 2002-11-05 Hitachi, Ltd. Demultiplexing and decoding apparatus for coded audio and video data

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6381513B1 (en) * 1995-01-31 2002-04-30 Hitachi, Ltd. Electronic information distributing terminal equipment
US6477185B1 (en) * 1997-11-17 2002-11-05 Hitachi, Ltd. Demultiplexing and decoding apparatus for coded audio and video data

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