EP1932342A1 - Method and apparatus for provision of service information by using query and view in digital data broadcast receiver - Google Patents
Method and apparatus for provision of service information by using query and view in digital data broadcast receiverInfo
- Publication number
- EP1932342A1 EP1932342A1 EP06798664A EP06798664A EP1932342A1 EP 1932342 A1 EP1932342 A1 EP 1932342A1 EP 06798664 A EP06798664 A EP 06798664A EP 06798664 A EP06798664 A EP 06798664A EP 1932342 A1 EP1932342 A1 EP 1932342A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- string
- list
- service information
- view
- query
- Prior art date
- Legal status (The legal status 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 status listed.)
- Withdrawn
Links
Classifications
-
- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
-
- 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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/81—Monomedia components thereof
- H04N21/8166—Monomedia components thereof involving executable data, e.g. software
- H04N21/8173—End-user applications, e.g. Web browser, game
-
- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
-
- 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
- H04N21/43—Processing 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
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4332—Content storage operation, e.g. storage operation in response to a pause request, caching operations by placing content in organized collections, e.g. local EPG data repository
-
- 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
- H04N21/43—Processing 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
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
- H04N21/4345—Extraction or processing of SI, e.g. extracting service information from an MPEG stream
-
- 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
- H04N21/43—Processing 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
- H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
-
- 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
- H04N21/43—Processing 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
- H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
- H04N21/4355—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream involving reformatting operations of additional data, e.g. HTML pages on a television screen
-
- 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
- H04N21/43—Processing 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
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
- H04N21/4431—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB characterized by the use of Application Program Interface [API] libraries
Definitions
- the present invention relates to a method and apparatus for providing service information (SI) in a digital data broadcast receiver; and, more particularly, to a method and apparatus for providing service information using a query and view method in a digital data broadcast receiver, such as a Digital Multimedia Broadcasting (DMB) receiving apparatus.
- SI service information
- DMB Digital Multimedia Broadcasting
- Data broadcasting means broadcasting a data file and/or executable program codes in addition to a conventional video and/or audio broadcasting which is transmitted in real-time, such as radio broadcasting and television broadcasting.
- Service information generally includes the schedule of services and programs received through a data broadcasting network. The service information is stored and processed in a low-level data structure for efficiency in a data broadcast receiver.
- Service information makes receivers know available channels and data in a digital data broadcasting system. Also, service information shows users the name of service, audio language, and current broadcasting information. Therefore, it is necessary for users or application programs to transmit service information on programs including a current broadcasting program and programs to be broadcasted in diverse service environments where a broadcasting network is connected with a communication network and to efficiently search information in need quickly among diverse service information.
- a general example of a service information reception model for receiving and applying service information is as follows. Service information is received through a broadcasting network or a communication network and converted by a service information decoding unit into a low level for efficiency in terminals and then stored.
- an application program such as Electronic Program Guide (EPG) needs to provide users with the service information, it makes a request to the service information decoding unit through a service information application interface (API).
- EPG Electronic Program Guide
- the requested service information is converted from the low- level representation form, which is an efficient form for a terminal, into a high-level object defined by the service information API and transmitted to the application program, e.g., EPG.
- the service information model is composed of classes for representing a structure of service information transmitted through a terrestrial Digital Multimedia Broadcasting (DMB) network.
- the service information model defines the structures of multiplex configuration information (MCI) transmitted through a fast information block (FIG) channel and service-related information.
- MCI multiplex configuration information
- FOG fast information block
- the service information reception model uses a tree-type service information structure in most digital broadcasting systems.
- the kinds of services become diverse, it takes much time and effort for a user or an application program to search for a service in need.
- SI service information
- a method for providing service information by using a query and view method in a digital data broadcast receiver comprising the steps of: a) receiving a query on a specific service information from an application program; b) searching a service information database for the query, acquiring a list of service information objects, and generating and storing a service information view; and c) providing the generated service information view to the application program.
- the method further includes the step of: d) when the application program makes a request for ari object data included in the service information view, converting a low-level data of the object into a high-level data that can be processed in the application program, and transmitting the high-level data to the application program.
- another view composed of the objects of the view may be generated in the service information view generation and storing step b) .
- an apparatus for providing service information by using a query and view method in a digital data broadcast receiver which includes: an application program execution unit for transmitting a query on a specific service information to execute an application program; a view manager for storing and managing the query, search a service information database to acquire a service information object list for the query, and generating and managing a service information view; and a data converter for converting low-level data of an object included in the generated view into high- level data, and providing the high-level data to the application program.
- the present invention makes an application program author draw up an application program easily and save time for searching service information in a middleware. Also, the present invention provides diverse forms of data to a user or an application program by providing a view composed of additional information of an object.
- Fig. 1 is an exemplary view showing a conventional structure of a service information (SI) model in a terrestrial digital multimedia broadcasting (DMB) ;
- SI service information
- DMB terrestrial digital multimedia broadcasting
- Fig. 2 is a block view illustrating a service information providing apparatus for executing a service information reception model based on the principle of the present invention in a digital data broadcast receiver;
- Fig. 3 is a flowchart describing a service information providing method based on a query and view method in a digital data broadcast receiver in accordance with an embodiment of the present invention.
- a service information (SI) reception model signifies a method for managing and providing service information between an application program or a user and a service information decoding unit, or a method thereof.
- the service information reception model of the present invention uses a query and view method.
- an application program or a user transmits a request to a middleware in the form of a query to extract information on a service or a program which is transmitted through a broadcasting network or a communication network. Then, the middleware including a service information decoding unit makes a search for the query at a high speed and transmits a search result to the application program.
- an application program author is a search equation for searching a service or a program that conforms to a specific condition and it easily draws up a program by using a text sequence indicating a service or a program and performs a search easily.
- the present invention presents a view to show a result for the service or the program searched out by using the query.
- a view is a set of objects searched out based on a specific condition defined by a query, and a view is changed when a database is updated.
- Another feature of the service information reception model suggested in the present invention is generation of a view.
- a query for a specific condition 1 is created to form a list of corresponding objects and form a view 1.
- a new object list may be created by collecting only the objects of views corresponding to the attribute values of the objects included in the view 1. It is possible to reduce the range of programs desired by the user by giving a condition 2 to the object list and generating a view thereon.
- a view is generated by creating a query for a specific channel set among service components and acquiring a specific channel set satisfying the query. Then, a view for a program set which is a value among attributes (or fields) of a channel set is generated and a query for the program set is created. This way, a view on specific program information corresponding to the condition is generated.
- audio channel objects are acquired by creating a query on an audio channel based on a query on a channel set among service components. Then, a view is generated by acquiring information on audio programs which are attributes of the audio channel, and another view is generated by picking out pay-programs among the audio programs.
- Fig. 2 is a block view illustrating a service information providing apparatus for executing a service information reception model based on the principle of the present invention in a digital data broadcast receiver.
- the service information providing apparatus includes an application program execution unit 210 for storing and executing diverse application programs, a service information decoding unit 220, a service information database 230.
- Examples of interface, class, exception, and object interface type which form the service information decoding unit 220 are shown in the following Tables 1 to 4.
- examples of the object interface type are presented in the following Table 5.
- service information is schedule information generally received in a broadcasting network and it has a low-level data structure. The low-level service information data should be converted into high- level service information data to be processed in an application program.
- an application program of the application program execution unit 210 transmits a query of a predetermined condition to the service information decoding unit 220.
- the query of a predetermined condition may be given by a user using the application program.
- a view manger 221 of the service information decoding unit 220 receives the query from the application program, searches service information stored in the service information database 230 to thereby generate a service information view, and provide the service information view to the application program.
- the user or the application program execution unit 210 can have a list of objects that conform to the condition from the service information view provided by the view manager 221. Also, the view manager 221 stores the query transmitted from the application program, monitors whether there is a change in the data of the service information database 230, and, if there is a change, notifies the application program of a change. When there is a request for an object from the application program, the view manager 221 transmits low- level data for the object to a data converter 223. The data converter 223 converts the transmitted low-level data into high-level data that can be processed in the application program and transmits the high-level data to the application program.
- the view manager 221 generates related views of a service information view to generate the service information view.
- the view manager 221 acquires specific objects needed to generate the service information view from the service information database 230, generates an attribute view based on the attributes included in the fields of the objects, and generates a detailed view by adding an additional data to the attribute view.
- the additional condition added to the attribute view may be transmitted from the application program.
- the view manager 221 acquires audio channel objects, generates an attribute view by acquiring attributes of the audio channel, i.e., information on audio programs, and then generates a detailed view by picking out pay programs among the audio programs.
- a service information providing apparatus of the present invention does not have to repeat a query processing when the same query is transmitted from an application program, because it keeps the query transmitted from the application program in a service information decoding unit. Also, when service information transmitted from a communication network is changed, the change in service information is informed to the application program. Therefore, it is possible to monitor service information efficiently.
- Fig. 3 is a flowchart describing a service information providing method based on a query and view method in a digital data broadcast receiver in accordance with an embodiment of the present invention.
- middleware e.g., the service information decoding unit, receives a query from the application program.
- the middleware searches a service information database based on the received query to thereby generate a service information view.
- the middleware does not search the service information database provides a service information view stored therein to the application program.
- the generated service information view is transmitted to the application program.
- the middleware converts low-level data corresponding to the object into high- level data and provides the high-level data to the application program.
- Table 1 shows an interface for realizing a service information decoding unit according to an embodiment of the present invention.
- Table 2 shows a class for realizing the service information decoding unit according to an embodiment of the present invention.
- Each database_ may be information acquired from one source in a lower rank or a combination of information
- each database may include information or event describing different services, or one or more databases may describe the same service or event.
- Table 3 shows an exception in realization of a service information decoding unit according to embodiment of the present invention.
- DMB terrestrial digital multimedia broadcasting
- SIType ENSEMBLE (An ensemble object type)
- SIType GROUP A group object type
- SIType PROGRAM (A program object type)
- SIType SERVICE A service object type
- attributes used in each service information interface type for realizing the DMB service information decoding unit according to an embodiment of the present invention are as shown in the following Table 5.
- Table 6 shows a method used in an SIView interface for realizing the service information decoding unit according to an embodiment of the present invention.
- the middleware for digital data broadcasting can efficiently provide the service information to an application program and manage it by realizing the service information providing apparatus and method of the present embodiment adopting a query and view method based on the Tables 1 to 6.
- the following shows an example of using an SIQuery and SIView.
- -SIAttributeSet SIDatabase . getDefault ( ) . getAttributeSet (Types . PROGRAM) ;
- -SIQuery ql v. get (AttributeGENRE) . equal (“Movie” ) ; //A query whose genre is movie is generated.
- -SIQuery q2 v. get (AttributeFREE) . isTrue ( ) ;
- the method of the present invention which is described in the above can be realized as a program and stored in a computer-readable recording medium, such as CD-ROM, RAM, ROM, floppy disks, hard disks, magneto- optical disks and the like. Since the process can be easily implemented by those skilled in the art of the present invention, detailed description on it will not be provided herein.
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Software Systems (AREA)
- Library & Information Science (AREA)
- Databases & Information Systems (AREA)
- General Engineering & Computer Science (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20050082415 | 2005-09-05 | ||
PCT/KR2006/003523 WO2007029959A1 (en) | 2005-09-05 | 2006-09-05 | Method and apparatus for provision of service information by using query and view in digital data broadcast receiver |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1932342A1 true EP1932342A1 (en) | 2008-06-18 |
EP1932342A4 EP1932342A4 (en) | 2013-04-10 |
Family
ID=37836039
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06798664.6A Withdrawn EP1932342A4 (en) | 2005-09-05 | 2006-09-05 | Method and apparatus for provision of service information by using query and view in digital data broadcast receiver |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1932342A4 (en) |
KR (1) | KR100921023B1 (en) |
WO (1) | WO2007029959A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100979637B1 (en) * | 2007-10-15 | 2010-09-01 | 한국전자통신연구원 | Method and system interlocking service in dmb |
Citations (1)
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US20030149981A1 (en) * | 2002-01-31 | 2003-08-07 | Paul Finster | System and method for generating customized EPG data and EPG application programs |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3584385B2 (en) * | 1997-04-24 | 2004-11-04 | 株式会社ケンウッド | Digital broadcast receiver |
JP2001238196A (en) * | 2000-02-21 | 2001-08-31 | Hitachi Ltd | Retrieval system, receiver, retrieval device and retrieval method |
JP2002271711A (en) * | 2001-03-06 | 2002-09-20 | Alpine Electronics Inc | Digital broadcasting receiver |
JP3909673B2 (en) * | 2002-03-06 | 2007-04-25 | 船井電機株式会社 | Program search method, digital television, digital broadcast receiving system, and digital broadcast tuner |
US6954748B2 (en) * | 2002-04-25 | 2005-10-11 | International Business Machines Corporation | Remote data access and integration of distributed data sources through data schema and query abstraction |
JP2006197085A (en) * | 2005-01-12 | 2006-07-27 | Seiko Epson Corp | Electronic program guide receiver, digital television unit, and electronic equipment |
-
2006
- 2006-09-05 WO PCT/KR2006/003523 patent/WO2007029959A1/en active Application Filing
- 2006-09-05 EP EP06798664.6A patent/EP1932342A4/en not_active Withdrawn
- 2006-09-05 KR KR1020060085058A patent/KR100921023B1/en not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US20030149981A1 (en) * | 2002-01-31 | 2003-08-07 | Paul Finster | System and method for generating customized EPG data and EPG application programs |
Non-Patent Citations (5)
Title |
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"Enhanced Electronic Programme Guide (EPG); Protocol for a TV Guide using electronic data transmission; Draft 1.0", IEEE, LIS, SOPHIA ANTIPOLIS CEDEX, FRANCE, no. /p>, 1 February 1999 (1999-02-01), XP014025198, ISSN: 0000-0001 * |
MEANDZIJA B: "Manageability of Java-based digital TV receivers", IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS, IEEE SERVICE CENTER, PISCATAWAY, US, vol. 18, no. 5, 1 May 2000 (2000-05-01), pages 795-805, XP011450003, ISSN: 0733-8716, DOI: 10.1109/49.842994 * |
See also references of WO2007029959A1 * |
SUMIYA K ET AL: "Virtual channel: dynamic structuring and continuous queries for data on the air", COMMUNICATIONS, COMPUTERS AND SIGNAL PROCESSING, 1997. 10 YEARS PACRIM 1987-1997 - NETWORKING THE PACIFIC RIM. 1997 IEEE PACIFIC RIM CONFERE NCE ON VICTORIA, BC, CANADA 20-22 AUG. 1997, NEW YORK, NY, USA,IEEE, US, vol. 2, 20 August 1997 (1997-08-20), pages 715-720, XP010245072, DOI: 10.1109/PACRIM.1997.620359 ISBN: 978-0-7803-3905-7 * |
TANAKA K ET AL: "Back to the TV: information visualization interfaces based on TV-program metaphors", MULTIMEDIA AND EXPO, 2000. ICME 2000. 2000 IEEE INTERNATIONAL CONFEREN CE ON NEW YORK, NY, USA 30 JULY-2 AUG. 2000, PISCATAWAY, NJ, USA,IEEE, US, vol. 3, 30 July 2000 (2000-07-30), pages 1229-1232, XP010512728, DOI: 10.1109/ICME.2000.870989 ISBN: 978-0-7803-6536-0 * |
Also Published As
Publication number | Publication date |
---|---|
KR20070026272A (en) | 2007-03-08 |
EP1932342A4 (en) | 2013-04-10 |
WO2007029959A1 (en) | 2007-03-15 |
KR100921023B1 (en) | 2009-10-09 |
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