CN101326822A - Apparatus for editting/adding terrestrial dmb contents, interactive contents providing system for terrestrial dmb - Google Patents

Apparatus for editting/adding terrestrial dmb contents, interactive contents providing system for terrestrial dmb Download PDF

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Publication number
CN101326822A
CN101326822A CNA2006800459228A CN200680045922A CN101326822A CN 101326822 A CN101326822 A CN 101326822A CN A2006800459228 A CNA2006800459228 A CN A2006800459228A CN 200680045922 A CN200680045922 A CN 200680045922A CN 101326822 A CN101326822 A CN 101326822A
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China
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terrestrial dmb
xmt
contents
interactive
file
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CNA2006800459228A
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CN101326822B (en
Inventor
郑元植
安相优
车知勋
郑芮先
俞永在
俞元赫
金奎宪
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Electronics and Telecommunications Research Institute ETRI
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Electronics and Telecommunications Research Institute ETRI
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
    • H04N21/2343Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/234309Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4 or from Quicktime to Realvideo
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47End-user applications
    • H04N21/472End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/80Information retrieval; Database structures therefor; File system structures therefor of semi-structured data, e.g. markup language structured data such as SGML, XML or HTML
    • G06F16/84Mapping; Conversion
    • G06F16/88Mark-up to mark-up conversion
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/02Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/031Electronic editing of digitised analogue information signals, e.g. audio or video signals
    • G11B27/034Electronic editing of digitised analogue information signals, e.g. audio or video signals on discs
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/102Programmed access in sequence to addressed parts of tracks of operating record carriers
    • G11B27/105Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/34Indicating arrangements 
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H20/00Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/86Arrangements characterised by the broadcast information itself
    • H04H20/95Arrangements characterised by the broadcast information itself characterised by a specific format, e.g. MP3 (MPEG-1 Audio Layer 3)
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/238Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2389Multiplex stream processing, e.g. multiplex stream encrypting
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/258Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
    • H04N21/25866Management of end-user data
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
    • H04N21/4385Multiplex stream processing, e.g. multiplex stream decrypting
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/61Network physical structure; Signal processing
    • H04N21/6106Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
    • H04N21/6112Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving terrestrial transmission, e.g. DVB-T
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/85Assembly of content; Generation of multimedia applications
    • H04N21/854Content authoring
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/85Assembly of content; Generation of multimedia applications
    • H04N21/854Content authoring
    • H04N21/8545Content authoring for generating interactive applications
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems

Abstract

Provided are a terrestrial DMB contents editing and authoring apparatus and a terrestrial DMB contents providing system having the same. The terrestrial DMB contents providing system includes: a terrestrial DMB contents transforming apparatus for transforming a terrestrial digital television (DTV) contents to a predetermined data format to transmit as a terrestrial DMB; a terrestrial DMB contents editing and authoring apparatus for providing an interface to a user to edit and author the transformed format of terrestrial DMB interactive contents, and editing and authoring the terrestrial DMB interactive contents according to temporal/spatial arrangement and behavior events of objects based on editing and authoring information of the user; a terrestrial DMB contents storing apparatus for storing the terrestrial DMB interactive contents; and a terrestrial DMB contents transmitting apparatus for transmitting the stored terrestrial DMB contents to be suitable to a terrestrial DMB transmit format according to a transmit schedule.

Description

Be used for the equipment of editting/adding terrestrial dmb content, the interactive content of T-DMB provides system
Technical field
The equipment and the interactive ground DMB content that the present invention relates to be used for editor and create T-DMB (DMB) content provide system; And more specifically, relate to such terrestrial DMB contents editor and authoring apparatus, be used for that the terrestrial digital TV content format is transformed to the terrestrial DMB contents form and edit and create terrestrial DMB contents to allow the user, come editting/adding terrestrial DMB content according to the editting/adding information of importing from user interface, and retransmit the terrestrial DMB contents that institute edits or creates.
Background technology
Demand for the mobile multimedia service has obtained increasing.In order to satisfy such demand, make the terrestrial DMB service commercialization.
Current terrestrial DMB service is the one directional service that the terrestrial DMB contents that comprises Voice ﹠ Video is provided to the user.The bi-directional service that allows the user directly to edit and create terrestrial DMB contents also is not provided.And, be not provided for of the content conversion service of retransmit terrestrial DTV content as terrestrial DMB contents.
So, in the current techniques field, exist for allowing the user directly to edit and create the demand of the interactive services of terrestrial DMB contents.
Summary of the invention
Technical problem
So, the objective of the invention is to allow the user to edit and create the terrestrial DMB contents editor and the authoring apparatus of terrestrial DMB contents and utilize its terrestrial DMB interactive that system is provided.
Technical scheme
According to an aspect of the present invention, provide a kind of terrestrial DMB interactive that system is provided, having comprised: the terrestrial DMB contents conversion equipment is used for terrestrial DTV (DTV) content is transformed to the tentation data form, to transmit as terrestrial DMB; Terrestrial DMB contents editor and authoring apparatus, be used for being provided for editing and create the interface of the terrestrial DMB interactive of transform format to the user, and based on editor and the creation information of the user by the input of this interface, according to the time/arrangement space and the behavior incident of object, edit and create terrestrial DMB interactive; The terrestrial DMB contents memory device is used to store terrestrial DMB interactive; With the terrestrial DMB contents transfer equipment, be used for transmitting the terrestrial DMB contents of being stored that is suitable for the terrestrial DMB transformat according to transmitting scheduling.
According to a further aspect in the invention, a kind of terrestrial DMB editor and authoring apparatus are provided, comprise: user interface section, be used to provide interface, input in response to the user allows the user to edit the time and the arrangement space of the media object of using in terrestrial DMB interactive, and easily creates the behavior of object; Data access unit, be used for generally controlling terrestrial DMB contents editor and creation operation, the interface of access first internal data structure is provided, connect first internal data structure and user interface section, and connect first internal data structure and second internal data structure that can expand MPEG-4 text formatting (XMT) access unit; The XMT access unit, be used to provide the interface that carries out access to second internal data structure, in second internal data structure, be stored in the editor and the creation information of storing in first internal data structure of data access unit, read institute's canned data in second internal data structure, and the information that is read is delivered to user interface section by data access unit; Converter unit, the xmt file in the terrestrial DMB interactive that is used for memory cell is stored is transformed to the MP4 file, and the MP4 file is transformed to xmt file; And the media decodes unit, the media object in the terrestrial DMB interactive that is used for this memory cell is stored is decoded.
Advantageous effects
According to embodiments of the invention, the user can be by being transformed to the terrestrial DMB contents form with ground DTV content format, and by according to editing and create terrestrial DMB contents from the editor and the creation information of user's input, and directly edit and create terrestrial DMB contents.
Description of drawings
According to the following description to preferred embodiment that provides in conjunction with the accompanying drawings, above and other purpose of the present invention and feature will become obviously, wherein:
Fig. 1 is the block diagram that the terrestrial DMB interactive that illustrates the example embodiment according to the present invention provides system;
Fig. 2 is the figure that illustrates according to the user graphical interface that provides from terrestrial DMB contents editor and authoring apparatus of the embodiment of the invention;
Fig. 3 illustrates according to the terrestrial DMB contents editor of the embodiment of the invention and the block diagram of the data access unit in the authoring apparatus; With
Fig. 4 is the flow chart of method that is used to provide terrestrial DMB interactive that illustrates according to the embodiment of the invention.
Embodiment
According to elucidated hereinafter with reference to the accompanying drawings to the following description of embodiment, other purpose of the present invention and aspect will become obvious.
Fig. 1 is the block diagram that the terrestrial DMB interactive that illustrates the example embodiment according to the present invention provides system.
With reference to figure 1, provide system to comprise terrestrial DMB contents conversion equipment 10, terrestrial DMB contents editor and authoring apparatus 20, terrestrial DMB contents memory device 30 and terrestrial DMB contents transfer equipment 40 according to T-DMB (DMB) interactive content of present embodiment.Terrestrial DMB contents conversion equipment 10 is transformed to the tentation data form with terrestrial DTV (DTV) content, to transmit as terrestrial DMB.For example, this tentation data form is to adopt the standard of motion picture expert group-part 4 (MPEG-4) system to come the form of memory contents, for example can expand MPEG-4 text formatting (XMT) or MP4 file format.Terrestrial DMB contents editor and authoring apparatus 20 provide for example interface of graphical user interface (GUI) to the user, edit and create the terrestrial DMB interactive of transform format, the interactive DMB content of the terrestrial DMB of XMT or MP file format for example, and based on editor and the creation information of the user by GUI input, according to the time/arrangement space and the behavior incident of object, edit and create terrestrial DMB interactive.Terrestrial DMB contents memory device 30 storage terrestrial DMB interactive.Terrestrial DMB contents transfer equipment 40 is suitable for for example terrestrial DMB contents of being stored of the terrestrial DMB transformat of mpeg 2 transport stream (TS) according to transmitting to dispatch to transmit.
In the present embodiment, terrestrial DMB contents is according to XMT form or MP4 stored in file format.XMT form and MP4 file format are to adopt the storage format of content of the standard of MPEG-4 system.Because terrestrial DMB contents adopts the standard of MPEG-4 system, so use XMT form and MP4 file format to store terrestrial DMB contents in the present embodiment.In addition, terrestrial DMB contents finally is transformed to the MPEG-2TS form so that transmit in the present embodiment, because the MPEG-2TS form is adopted in the transmission of terrestrial DMB contents.
Yet the present invention is not subjected to the perhaps restriction of the predetermined format of terrestrial DMB contents in the DTV.
To describe internal structure that system according to the terrestrial DMB interactive of present embodiment be provided thereafter.
Terrestrial DMB contents conversion equipment 10 comprises: preprocessor 11, be used to receive ground DTV content, analyze Program Specific Information (PSI), application information table (AIT) and relevant descriptors, separate video flowing, audio stream and data flow from it, and the conversion of control terrestrial DMB contents; Media changer 12, be used in response to preprocessor 11, the MPEG-2 video flowing of ground DTV content is transformed to motion picture expert group-part 4 advanced video encodings (MPEG-4AVC) stream, and audio coding-3 (AC-3) audio stream of ground DTV content is transformed to motion picture expert group-part 4 bit slice arithmetic coding (MPEG-4BSAC) audio streams, be used for terrestrial DMB; Data converter 13 is used in response to preprocessor 11 advanced common application platform (ACAP) data flow of ground DTV content being transformed to the data of the predetermined format that is used for terrestrial DMB; With XMT/MP4 memory cell 14, be used for according to the data after XMT form or the MP4 form store transformed.
To the composed component of terrestrial DMB contents conversion equipment 10 in more detail be described thereafter.
Preprocessor 11 receives ground DTV content, and analyzes Program Specific Information (PSI), application information table (AIT) and relevant descriptors.Based on analysis result, video flowing, audio stream and data flow that preprocessor 11 separates from it, and the conversion of Comprehensive Control terrestrial DMB contents.
Media changer 12 is in response to preprocessor 11, the MPEG-2 video flowing of ground DTV content is transformed to MPEG-4AVC stream, and the AC-3 audio stream of ground DTV content is transformed to MPEG-4BSAC stream, is used for terrestrial DMB.
Data converter 13 is transformed to the ACAP data flow of ground DTV content in response to preprocessor 13 data of the predetermined format that is used for terrestrial DMB.
The data of XMT/MP4 memory cell 14 after according to XMT form or MP4 form store transformed.
Content after the conversion of 10 conversion of terrestrial DMB contents conversion equipment is stored in the terrestrial DMB contents memory device 30 according to XMT form or MP4 form as mentioned above.The content of the MP4 form of being stored can be sent to transmitter 50 by terrestrial DMB contents transfer equipment 40.Yet, if do not satisfy this transformation results, the content that terrestrial DMB contents editor and authoring apparatus 20 can be edited described XMT or MP4 form.Then, by terrestrial DMB contents transfer equipment 40 institute's content edited is sent to transmitter 50.
Terrestrial DMB contents editor and authoring apparatus 20 comprise: user interface section 21, be used to provide interface, input in response to the user allows the user to edit the time and the arrangement space of the media object of using in terrestrial DMB interactive, and easily creates the incident of object; Data access unit 22, be used for general control editor and creation operation, the interface of the internal data structure 210 of access graph 3 is provided, connect internal data structure 210 and user interface section 21, and connect internal data structure 210 and as the XMT DOM (can expand MPEG-4 text formatting DOM Document Object Model) of the internal data structure of XMT access unit 23; XMT access unit 23, be used to provide the interface that the XMT DOM as the internal data structure of XMT access unit 23 is carried out access, be stored in the editor and the creation information of storing in the internal data structure 210 of data access unit 22 to XMT DOM, read institute's canned data among the XMT DOM, and the information that is read is delivered to user interface section 21 by data access unit 22; MP4 generator 24, the xmt file that is used for the terrestrial DMB interactive of will be stored is transformed to the MP4 file, and the MP4 file is transformed to xmt file; And media decodes unit 25, be used for the media object in the terrestrial DMB interactive of terrestrial DMB content storage apparatus 30 storages is decoded.
Terrestrial DMB contents editor and authoring apparatus 20 make the user to edit and to create the terrestrial DMB interactive that satisfies the Core2D of MPEG-4 system configuration file by user interface section 21, this user interface section 21 provides interface to the user, with the media object of using in editor and the creation terrestrial DMB interactive.Terrestrial DMB contents editor and authoring apparatus 20 are supported MPEG-4BSAC and MPEG-4AVC form.
To the composed component of terrestrial DMB contents editor and authoring apparatus 20 be described thereafter.
User interface section 21 provides interface, with import in response to user by the input of mouse or keyboard allow the user easily and simply to edit for example video, audio frequency, rest image, text and comprise circle and the terrestrial DMB interactive of 2 dimension geometric objects of rectangle in the time and the arrangement space of the media object used, and easily create the incident of object.
Data access unit 22 general control terrestrial DMB contents editor and authoring apparatus 20, and the internal data structure of object data stores shown in Figure 3 unit 211, event data storage unit 212, scene 213 and editing data memory cell 214 and the interface between the user interface section 21 are provided, also provide internal data structure 210 and as the interface between the XMT DOM of the interface data structure of data access unit 22.
XMT access unit 23 comprises XMT generator (not shown), is used for generating xmt file based on the content of XMT DOM; With XMT analytic unit (not shown), be used for reading the content of xmt file to XMT DOM.The content that XMT generator (not shown) will be edited or create is converted to the XMT form as the MPEG-4 standard.
XMT access unit 23 uses XMT DOM as internal data structure, provide API (API) to come access XMT DOM, be stored in the editor and the creation information of storing in the internal data structure 210 of data access unit 22 to XMT DOM, read institute's canned data from XMT DOM, and the information that is read is delivered to user interface section 21 by data access unit 22.
MP4 generator 24 is transformed to binary type MP4 file with the text type xmt file, and according to embodiment the MP4 file is transformed to xmt file.
Decode in 25 pairs of the media decodes unit for example media object of 2 dimension geometric objects of video, audio frequency, rest image, text and for example circle and rectangle.
Terrestrial DMB contents memory device 30 comprises: media file storage unit 31 is used to store the media file of terrestrial DMB interactive; MP4 file storage unit 32 is used for according to MP4 form storage terrestrial DMB interactive data; With xmt file memory cell 33, be used for providing the xmt file of being stored, xmt file is transformed to the MP4 file to MP4 generator 24.
Terrestrial DMB contents transfer equipment 40 comprises: content stores and administrative unit 41 are used for receiving terrestrial DMB interactive from terrestrial DMB contents memory device 30, the terrestrial DMB interactive that storage and administrative institute receive; Scheduling unit 42 is used for managing the scheduling of the terrestrial DMB interactive that is used to be transmitted in content stores and administrative unit 41 storages; With multiplexed unit 43, be used for receiving terrestrial DMB interactive, and terrestrial DMB interactive be multiplexed as for example transformat of the terrestrial DMB standard of MPEG-2TS in response to the control of scheduling unit 42 from content stores and administrative unit 41.
To the composed component of terrestrial DMB interactive device 40 be described thereafter.
Content stores and administrative unit 41 read in the terrestrial DMB contents memory device 30 terrestrial DMB interactive of storage, and the terrestrial DMB interactive that reads of storage and administrative institute.And content stores and administrative unit 41 are provided for managing the information of terrestrial DMB contents to scheduling unit 42 and multiplexed unit 43.For example, the storage format of terrestrial DMB contents is the MP4 file format.
Scheduling unit 42 management or editor are used for being transmitted in the scheduling of the terrestrial DMB interactive of content stores and administrative unit 41 storages, and the storage of control terrestrial DMB contents and administrative unit 41 and multiplexed unit 43 are according to scheduling transmission terrestrial DMB contents.
Multiplexed unit 43 receives from the terrestrial DMB interactive of content stores and administrative unit 41 transmission in response to the control of scheduling unit 42, and terrestrial DMB interactive is multiplexed as for example transformat of the terrestrial DMB standard of MPEG-2TS.Then, multiplexed unit 43 is sent to transmitter 50 with the terrestrial DMB contents after multiplexed, so that be sent to satellite.
Fig. 2 is the figure that illustrates according to the user graphical interface that provides from terrestrial DMB contents editor and authoring apparatus of the embodiment of the invention.
As shown in Figure 2, user interface section 21 comprises menu bar 1, tool bar 2, be used to provide for example media preview window 3 of the preview function of the media object of video of preview, be used to provide the managing medium resource device 4 of similar resource manager (explorer) function of the thumbnail that media object for example is shown, be used to illustrate the property window 5 of the editing mode of object, be used to illustrate the time of object and the background of arrangement space (canvas) window 6, be used to illustrate the incident and the action window 7 of the edit action of object, and the timeline window 8 arranged of the edit session that is used to illustrate object.
Fig. 3 illustrates according to the terrestrial DMB contents editor of the embodiment of the invention and the block diagram of the data access unit in the authoring apparatus.
As shown in Figure 3, data access unit 22 comprises: internal data structure 210, be used for storage object data, event data, scene configuration data, and the terrestrial DMB contents editor that in terrestrial DMB contents, comprises of editor and the data of authoring apparatus 20; With the internal data structure administrative unit, be used for establishment/deletion/calibration object data and event data, management comprises object or the structure place of incident and the scene configuration data of relevant information thereof in the scene, and establishment/deletion/correction edit file.
Internal data structure 210 comprises: object data stores unit 211 is used to store the relevant information that forms the object of terrestrial DMB contents; Event data storage unit 212, the event data that is used to store each object; Scene 213 is used for the scene information of storage object and incident; With editing data memory cell 214, be used to store the edit file of terrestrial DMB contents editor and authoring apparatus 20.
Object data stores unit 211 is the data structures with information of the relevant object that forms terrestrial DMB contents.Event data storage unit 212 is the data structures of information with incident of relevant each object.Scene 213 is the data structures that have about the information of the scene configuration of the object that forms terrestrial DMB contents and incident.Editing data memory cell 214 is data structures of edit file (for example cancelling/reform information) with terrestrial DMB editor and authoring apparatus 20.
Internal data structure administrative unit 220 comprises: object handler 221 is used for management object data storage cell 211 and establishment/correction/deletion object data; Event handler is used for Admin Events data storage cell 212 and create/proofread and correct/delete for example incident of the behavior of object; Scene process device 223 is used for managing scene 213 and manages the object of scene for example or the scene configuration data in the structure place of incident; And editing and processing device 224, be used to manage editing data memory cell 214 and establishment/correction/deletion editing data.
Fig. 4 is the flow chart of method that is used to provide terrestrial DMB interactive that illustrates according to the embodiment of the invention.
At step S401, terrestrial DMB contents conversion equipment 10 receives ground DTV content, analyzes Program Specific Information (PSI), application information table (AIT) and relevant descriptors, and separates video flowing, audio stream and data flow from it.
At step S402, to be transformed to the MPEG-4AVC data as the terrestrial DMB video format from ground DTV content isolated M PEG-2 video flowing, to be transformed to the MPEG-4BSAC data as the terrestrial DMB audio format from the AC-3 audio stream that ground DTV content is separated, and will be transformed to terrestrial DMB data from the ACAP ground DTV data flow that ground DTV content is separated.At step S403, according to the data after XMT form and the MP4 form store transformed.
Then, at step S404, terrestrial DMB contents editor and authoring apparatus 20 are according to editing and create terrestrial DMB contents from the editor and the creation information of user's input.At step S405, with editor or the creation terrestrial DMB contents be transformed to XMT form and MP4 form, and with the content stores after the conversion in terrestrial DMB contents memory device 30.
Terrestrial DMB contents transfer equipment 40 reads in the terrestrial DMB contents of storage in the terrestrial DMB contents memory device 30 and the content that storage is read in step S406, and creates the transmission scheduling of the terrestrial DMB contents of being stored in step S407.
Then, in step S408, terrestrial DMB interactive is multiplexed as the transformat (for example MPEG-2TS) of terrestrial DMB standard, and in step S409, the content after multiplexed is sent to transmitter 50.
Can be embodied as program according to said method of the present invention, and be stored on the computer readable recording medium storing program for performing.Computer readable recording medium storing program for performing is that can store thereafter can be by any data storage device of the data of computer system reads.Computer readable recording medium storing program for performing comprises read-only memory (ROM), random-access memory (ram), CD-ROM, floppy disk, hard disk and magneto optical disk.
The application comprises and on December 8th, 2005 and korean patent application 2005-0119959 number and 2006-0069956 number relevant theme that July 25 in 2006, order was submitted to Korea S Department of Intellectual Property respectively, merges its full content by reference here.
Although described the present invention, it will be apparent to one skilled in the art that and to carry out various changes and modification, and do not break away from the scope of the present invention that in following claim, limits at some preferred embodiment.

Claims (13)

1. a T-DMB (DMB) interactive content provides system, comprising:
The terrestrial DMB contents transform component is used for terrestrial DTV (DTV) content is transformed to the tentation data form, to transmit as terrestrial DMB;
Terrestrial DMB contents editor and creation parts, be used for being provided for editing and create the interface of the terrestrial DMB interactive of transform format to the user, and based on editor and the creation information of the user by the input of this interface, according to the time/arrangement space and the behavior incident of object, edit and create terrestrial DMB interactive;
The terrestrial DMB contents memory unit is used to store terrestrial DMB interactive; With
The terrestrial DMB contents transfer member is used for transmitting the terrestrial DMB contents of being stored that is suitable for the terrestrial DMB transformat according to transmitting scheduling.
2. the terrestrial DMB interactive according to claim 1 provides system, wherein this data format is to adopt the standard of motion picture expert group-part 4 (MPEG-4) system to come the form of memory contents, comprises and can expand MPEG-4 text formatting (XMT) and MP4 file format.
3. the terrestrial DMB interactive according to claim 1 provides system, and wherein this DMB transformat is mpeg 2 transport stream (TS) form.
4. the terrestrial DMB interactive according to claim 1 provides system, and wherein this terrestrial DMB contents transform component comprises:
Pretreatment component is used to receive ground DTV content, analyzes Program Specific Information (PSI), application information table (AIT) and relevant descriptors, separates video flowing, audio stream and data flow from it, and the conversion of Comprehensive Control terrestrial DMB contents;
The media conversion parts, be used for the MPEG-2 video flowing of ground DTV content is transformed to motion picture expert group-part 4 advanced video encodings (MPEG-4 AVC) stream, and audio coding-3 (AC-3) audio stream of ground DTV content is transformed to motion picture expert group-part 4 bit slice arithmetic codings (MPEG-4 BSAC) stream;
The data conversion parts are used for advanced common application platform (ACAP) data flow of ground DTV content is transformed to the data that are used for terrestrial DMB of predetermined format; With
The XMT/MP4 transferring elements is used for according to the data that are used for terrestrial DMB after XMT form or the MP4 form store transformed.
5. the terrestrial DMB interactive according to claim 1 provides system, and wherein this terrestrial DMB contents editor and creation parts comprise:
User interface component is used to provide interface, allows the user to edit the time and the arrangement space of the media object of using in terrestrial DMB interactive with the input in response to the user, and easily creates the behavior of object;
The data access parts, be used for generally controlling terrestrial DMB contents editor and creation operation, the interface of access internal data structure is provided, connect internal data structure and user interface component, and connect internal data structure and as the expanded MPEG-4 text formatting DOM Document Object Model (XMT DOM) of the internal data structure of XMT access unit;
The XMT access unit, be used to provide the interface that XMT DOM is carried out access, in XMT DOM, be stored in the editor and the creation information of storing in the internal data structure of data access parts, read institute's canned data among the XMT DOM, and the information that is read is delivered to user interface component by the data access parts;
Transform component, the xmt file that is used for the terrestrial DMB interactive of will be stored is transformed to the MP4 file, and the MP4 file is transformed to xmt file; And
The media decodes parts, the media object in the terrestrial DMB interactive that is used for the terrestrial DMB content storage element is stored is decoded.
6. the terrestrial DMB interactive according to claim 5 provides system, and wherein this XMT access unit comprises that also the content that is used for XMT DOM is transformed to the function of the xmt file after xmt file and the store transformed and is used for reading in to XMT DOM the function of the content of the xmt file that the terrestrial DMB contents memory unit stores.
7. the terrestrial DMB interactive according to claim 6 provides system, wherein the media file of this terrestrial DMB contents storage component stores terrestrial DMB interactive, MP4 file and xmt file.
8. the terrestrial DMB interactive according to claim 5 provides system, and wherein this terrestrial DMB contents transfer member comprises:
Content stores and management component are used for receiving terrestrial DMB interactive from the terrestrial DMB contents memory unit terrestrial DMB interactive that storage and administrative institute receive;
Scheduler is used for managing the scheduling that is used to be transmitted in the terrestrial DMB interactive that content stores and management component store; With
Multiplexing components is used for receiving terrestrial DMB interactive from content stores and management component, and terrestrial DMB interactive is multiplexed as the transformat MPEG-2 TS of terrestrial DMB standard in response to the control of scheduler.
9. the terrestrial DMB interactive according to claim 5 provides system, and wherein these data access parts comprise:
Internal data structure is used for storage object data, event data, scene configuration data, and the data of editor terrestrial DMB contents editor and creation parts, and these storage are in xmt file; With
Interface is used for establishment/deletion/calibration object data and event data, and management comprises object or the structure place of incident and the scene configuration data of relevant information thereof in the scene, and establishment/deletion/correction edit file.
10. terrestrial DMB editor and authoring apparatus comprise:
User interface component is used to provide interface, allows the user to edit the time and the arrangement space of the media object of using in terrestrial DMB interactive in response to user's input, and easily creates the behavior of object;
The data access parts, be used for generally controlling terrestrial DMB contents editor and creation operation, the interface of access first internal data structure is provided, connect first internal data structure and user interface component, and connect first internal data structure and second internal data structure that can expand MPEG-4 text formatting (XMT) access unit;
The XMT access unit, be used to provide the interface that carries out access to second internal data structure, in second internal data structure, be stored in the editor and the creation information of storing in first internal data structure of data access parts, read institute's canned data in second internal data structure, and the information that is read is delivered to user interface component by the data access parts;
Transform component, the xmt file in the terrestrial DMB interactive that is used for memory unit is stored is transformed to the MP4 file, and the MP4 file is transformed to xmt file; And
The media decodes parts, the media object in the terrestrial DMB interactive that is used for this memory unit is stored is decoded.
11. according to the terrestrial DMB editor and the authoring apparatus of claim 10, wherein this XMT access unit comprises that also the content that is used for XMT DOM is transformed to the function of the xmt file after xmt file and the store transformed and is used for reading in to XMT DOM the function of the content of the xmt file that the terrestrial DMB contents memory unit stores.
12. according to the terrestrial DMB editor and the authoring apparatus of claim 11, the wherein media file of this storage component stores terrestrial DMB interactive, MP4 file and xmt file.
13. according to the terrestrial DMB editor and the authoring apparatus of claim 10, wherein these data access parts comprise:
First internal data structure is used for storage object data, event data, scene configuration data, and the data of editor terrestrial DMB contents editor and creation parts, and these storage are in xmt file; With
Interface is used for establishment/deletion/calibration object data and event data, and management comprises object or the structure place of incident and the scene configuration data of relevant information thereof in the scene, and establishment/deletion/correction edit file.
CN2006800459228A 2005-12-08 2006-12-07 Apparatus for editting/adding terrestrial dmb contents, interactive contents providing system for terrestrial dmb Expired - Fee Related CN101326822B (en)

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KR20050119959 2005-12-08
KR10-2005-0119959 2005-12-08
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KR1020060069956 2006-07-25
KR1020060069956A KR100789783B1 (en) 2005-12-08 2006-07-25 Interactive contents providing system for terrestrial DMB
PCT/KR2006/005261 WO2007066986A1 (en) 2005-12-08 2006-12-07 Apparatus for editing/authoring terrestrial dmb contents, interactive contents providing system for terrestrial dmb

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US7823058B2 (en) * 2002-12-30 2010-10-26 The Board Of Trustees Of The Leland Stanford Junior University Methods and apparatus for interactive point-of-view authoring of digital video content
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EP1958441A1 (en) 2008-08-20

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