EP1987671A1 - Recepteur de radiodiffusion et procede pour la transmission/reception d'informations de programme de radiodiffusion - Google Patents

Recepteur de radiodiffusion et procede pour la transmission/reception d'informations de programme de radiodiffusion

Info

Publication number
EP1987671A1
EP1987671A1 EP07708947A EP07708947A EP1987671A1 EP 1987671 A1 EP1987671 A1 EP 1987671A1 EP 07708947 A EP07708947 A EP 07708947A EP 07708947 A EP07708947 A EP 07708947A EP 1987671 A1 EP1987671 A1 EP 1987671A1
Authority
EP
European Patent Office
Prior art keywords
information
program
preview
program information
broadcast
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.)
Ceased
Application number
EP07708947A
Other languages
German (de)
English (en)
Other versions
EP1987671A4 (fr
Inventor
Jin Young Choi
Kyoung Soo Moon
Sun Young Choi
Sang Hyup Lee
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP1987671A1 publication Critical patent/EP1987671A1/fr
Publication of EP1987671A4 publication Critical patent/EP1987671A4/fr
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309—Transmission or handling of upstream communications
    • H04N7/17318—Direct or substantially direct transmission and handling of requests
    • 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
    • H04N21/472—End-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
    • H04N21/4722—End-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 for requesting additional data associated with the content
    • H04N21/4725—End-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 for requesting additional data associated with the content using interactive regions of the image, e.g. hot spots
    • 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
    • H04N21/435—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
    • H04N21/47—End-user applications
    • H04N21/472—End-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
    • H04N21/4722—End-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 for requesting additional data associated with the content
    • 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
    • H04N21/482—End-user interface for program selection
    • H04N21/4821—End-user interface for program selection using a grid, e.g. sorted out by channel and broadcast time
    • 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
    • H04N21/85—Assembly of content; Generation of multimedia applications
    • H04N21/854—Content authoring
    • H04N21/8543—Content authoring using a description language, e.g. Multimedia and Hypermedia information coding Expert Group [MHEG], eXtensible Markup Language [XML]
    • 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
    • H04N21/85—Assembly of content; Generation of multimedia applications
    • H04N21/854—Content authoring
    • H04N21/8549—Creating video summaries, e.g. movie trailer
    • 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
    • H04N21/85—Assembly of content; Generation of multimedia applications
    • H04N21/858—Linking data to content, e.g. by linking an URL to a video object, by creating a hotspot
    • H04N21/8586—Linking data to content, e.g. by linking an URL to a video object, by creating a hotspot by using a URL
    • 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
    • H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
    • H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
    • H04N21/4316—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations for displaying supplemental content in a region of the screen, e.g. an advertisement in a separate window
    • 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
    • H04N21/4438—Window management, e.g. event handling following interaction with the user interface

Definitions

  • the present invention relates to a broadcast receiver and a method for transmitting/ receiving broadcast program information, and more particularly to a broadcast receiver capable of allowing a user of a broadcast service to conveniently use the broadcast service, and a method for transmitting/receiving broadcast program information.
  • the digital multimedia broadcast extends a transmission format of the digital audio broadcasting,such that it can transmit not only a video broadcast signal having a video compression format but also a data broadcast signal for a variety of information.
  • the digital multimedia broadcasting can provide a user with a variety of services, for example, text information services based on a Dynamic Label Segment (DLS) and Broadcast Web-Site (BWS), traffic information services based on Transport Protocol Experts Group, and program information services including Electronic Program Guide (EPG) data.
  • DLS Dynamic Label Segment
  • BWS Broadcast Web-Site
  • EPG Electronic Program Guide
  • a digital broadcast service such as the above-mentioned digital multimedia broadcast services can include the program information in a broadcast signal, and can transmit the broadcast signal including the program information to a user or viewer, such that the user or viewer can acquire program information from individual channels.
  • the EPG acting as representativeprogram information may include time- and genre- information of each program. Disclosure of Invention Technical Problem
  • the program information such as the EPG does not include improved program information capable of allowing the user to recognize summarized contents of each program.
  • the present invention relates to a broadcast receiver and a method for transmitting/ receiving broadcast program information.
  • a summarized content of a broadcast program associated with the broadcast program information can be trasmitted with the broadcast program information and a broadcast receiver can display the summarized content of the broadest program.
  • a method for transmitting broadcast program information includes generating preview information includes a summarized content of a broadcast program; and transmitting broadcast program information including the preview information associated with the broadcast program.
  • a method for receiving broadcast program information including receiving program information which includes preview information a summarized content of a broadcast program, decoding the program information and displaying the preview information from among the program information on a screen.
  • a broadcast receiver including a system decoder for decoding program information received from a demodulated digital multimedia broadcasting (DMB) signal, and outputting the decoded program information, a program information decoder for decoding preview information including a program-summarized content from among the program information, and outputting the decoded preview information, a program information output engine for receiving the broadcast program information from the program information decoder, and outputting a screen output signal using the received broadcast program information and a program information output unit for displaying the preview information from among the broadcast program information outputted from the program information output engine.
  • DMB digital multimedia broadcasting
  • a broadcast receiver and a method for transmitting/receiving broadcast program information according to the present invention can allow the user to conveniently acquire broadcast program information. Also, the broadcast receiver and a method for transmitting/receiving broadcast program information according to the present in- vention can allow the user to visually or audibly pre-recognize the summarized content of the program.
  • FlG. 1 is a conceptual diagram illustrating a hierarchical structure of a Serviceln- formation element from among several elements of the EPG according to the present invention
  • FIG. 2 is a conceptual diagram illustrating a hierarchical structure of an epg element from among the EPG according to the present invention
  • FIG. 3 exemplarily shows an XML schema of the media Description element according to the present invention
  • FlG. 4 is an exemplary XML schema of the EPG transferring a preview item according to the present invention
  • FIGS. 5 to 6 exemplarily show that the preview item is displayed on the EPG according to an embodiment of the present invention
  • FIG. 7 is a block diagram illustrating a broadcast receiver according to the present invention.
  • FIG. 8 is a flow chart illustrating a method for receiving broadcast information an embodiment of the present invention. Best Mode for Carrying Out the Invention
  • the EPG provides the user with program information based on channels, and provides program information capable of allowing the user to view/record a broadcast program using the received program information. Therefore, the EPG may include channel information, program title information, or broadcast time information, etc.
  • the EPG is configured in the form of encoded binary data, and is then transmitted to a destination.
  • the EPG is implemented by decoding the above- mentioned binary data.
  • the binary data is implemented with an XML (extensible Markup Language) format, such that the binary data of the XML format can be displayed on a screen.
  • XML extensible Markup Language
  • the EPG may have a plurality of elements.
  • the XML-based EPG will be exemplarily disclosed in the present inventionto easily explain element structures of the EPG, it should be noted that the scope of the present inventionis not limited to the EPG implemented with the XML.
  • the EPG may include service information including broadcast station information and broadcast channel information, and may also include program information- including information associated with the program scheduling.
  • the EPG may include the Servicelnformation element as the uppermost element of the above-mentioned service information, and may include the epg element as the uppermost element of the program information.
  • FlG. 1 is a conceptual diagram illustrating a hierarchical structure of a Serviceln- formation element from among several elements of the EPG according to the present invention. An example of the Servicelnformation element will hereinafter be described with reference to FIG. 1.
  • numbers of individual element blocks indicate the number of corresponding elements.
  • “0*” indicates that the number of corresponding elements is equal to or higher than a specific number "0”
  • “1*” indicates that the number of corresponding elements is equal to or higher than a specific number "1”.
  • the Servicelnformation is used as a container of the ensemble element.
  • the ensemble element may include a frequency element including frequency information and a service element including each broadcast program.
  • the ensemble element or the service element may include a serviceNameGroup element, a mediaDescription element, a conditional access (CA) element, a keyword elements, and a link element, etc.
  • the serviceNameGroup element may include a short name, a medium name, and a long name of the ensemable.
  • the mediaDescription element includes description in- formationof the ensemble.
  • the CA element may include scramble information.
  • the keyword information and the link element may include corresponding information pieces, respectively.
  • the service element may include a servicelD element for distinguishing a corresponding service, a genre element for indicating servicecategories, and an epgLanguage element for indicating service languages.
  • the EPG data is encoded by binary numbers, and is then transmitted to a destination according to a Multimedia Object Transfer (MOT) protocol.
  • MOT Multimedia Object Transfer
  • FIG. 2 is a conceptual diagram illustrating a hierarchicalstructure of an epg element from among the EPG according to the present invention.
  • the epg element may include a schedule element, a program element, a pro- gramGroups element, and an alternateSource element.
  • the schedule element may include program arrangement information within a given time range, and may further include a scope element and a serviceScope element under the above-mentioned program arrangement information.
  • the programGroups element may be used to perform grouping of programs and may also be used to describe event information of programs of the group.
  • the alternateSource element indicates whether the EPG informationcan be received from other sources, such that the received EPG information can be used.
  • the program element and the programGroup element located under the programGroups element may include the scheduleNameGroup element, the mediaDescription element, the genre element, the keywords element, the memberOf element, and the link element, etc.
  • the mediaDescription element from among the above-mentioned elements includes the multimedia element in order to transmit multimedia informationassociated with the program,
  • FlG. 3 exemplarily shows an XML schema of the media Description element according to the present invention.
  • the example of the schema of the mediaDescription element will hereinafter be described with reference to FlG. 3.
  • the multimedia data linked to resources can be transmitted to a destination by the mediaDescription element.
  • the "uri” attributes from among attributes of the mediaDescription element indicates the location of the resource including the multimedia information.
  • the "simpleType" schema from among schema componentsof the mediaDescription element is mainly defined as logo images associated with the ensemble element, the service element, the program element, the programgroup element, and the programevent element.
  • Exemplary schema components of FlG. 3 can define whether the logo image is a mono image or a color image, and can define whether the logo image is a regular tetragon or a right-angled tetragon.
  • the attribute information of the multimedia information can define the width and height of the multimedia information.
  • the program information can be used for a logo-image transmission case of the program, and cannot allow the user to graphically preview the summarized content of the program.
  • a method for transmitting broadcast program information can transmit broadcast program information, such that the user can graphically preview the summarized content ofany program from among several programs.
  • FlG. 4 shows an exemplary XML schema of the EPG transferring a preview item according to an embodiment of the present invention.
  • a method for transmitting broadcast program information according to an embodiment of the present invention will hereinafterbe described with reference to FlG. 4.
  • the mediaDescription element of FlG. 4 may serve as a preview element for indicating program summarized information configured in the form of graphic data, and may include a videoclip element.
  • the videoclip element may include a newly- defined type denoted by "videoclipType" of FlG. 4.
  • the videoclipType element may include two attributes.
  • the mime Value attribute defined by "mimeType” information may indicate resources of a transmission file, and may indicate a graphic format of the preview element using strings.
  • the videoclip element may include resource information (e.g., an extension file name) for the preview function as "mimeValue" attributes.
  • the "uri” attribute is defined by "urlType", and may indicate the location of resources acting as the summarized information of a graphic program using the string indicating either the address or the protocol.
  • the videoclip element may include the location information of the resources of the preview function using the "uri" attributes.
  • FlG. 4 shows an exemplary case in which the program information content of the preview function is contained in the mediaDescription element.
  • Program information of the preview element may be located under the "epg" element of the EPG hierarchical structure.
  • the preview program information may be located under the program element or the programGroup element of the hierarchical structure, and may also be located under the same location equal to the mediaDescription element.
  • a method for transmitting broadcast program information according to the present invention may transmit the preview program infomraiton in the EPG to be transmitted to the user.
  • FIGS. 5 to 6 exemplarily show that the preview item is displayed on the EPG according to a method for transmitting/receiving broadcast program information according to an embodiment of the present invention.
  • the EPG of FIG. 5 may indicate the preview selection item on the screen. If the user selects the "BBI"program (denoted by a bold line) to be broadcast from 19:00 clock to 20:30 clock from among the B channel, the preview selection item for the above-mentioned BBI program may be displayed on the EPG screen (for example, a lower part of the EPG in HG. 5).
  • a broadcas- 500iver may display the summarized images of the BBI program on the screen as shown in FIG. 6. If the user-selected program does not include the preview selection item, the preview selection item may not be displayed on the screen, differently from the example of FIG. 6.
  • the preview moving images may be displayed with an image quality of 56k or 300k.
  • the broadcast receiver and the method for transmitting/receiving the broadcast program information according to the present invention can display the preview element using moving images.
  • the broadcast receiver can determine whether to decode the mimeType element having the mimeValue attributes contained in the EPG.
  • the broadcast receiver receives preview files from a specific place at which the preview file is stored according to the "uri" attributes, and reproduces the preview file, such that it can display images associated with the program summarized content on the screen.
  • the preview selection item is displayed in the image of FlG. 6. Therefore, the preview selection item displayed on the screen may be located at different hierarchical positions according to a variety of locations of the EPG schema.
  • FIG. 7 is a block diagram illustrating a broadcast receiver according to an embodiment of the present invention.
  • the broadcast signal includes broadcast program information equipped with the preview in the Eureka 147-based DMB system, such that the resultant broadcast signal is transmitted to a destination. Therefore, the broadcast program information according to the DMB system is referred to as the EPG (Electronic Program Guide).
  • EPG Electronic Program Guide
  • the tuner 101 performs tuning of a signal correspondingto the ensemble element from among broadcast signals including the program information, converts a frequency of the tuned signal into another frequency, and may output the resultant frequency signal.
  • the demodulator 102 demodulates the frequency-modulated signal according to a transmission scheme, and may output a transmission frame including a synchronous channel, a Fast Information Channel (FIC), and a Main Service Channel (MSC).
  • FIC Fast Information Channel
  • MSC Main Service Channel
  • the DAB decoder [51] According to the preferred embodiment of the present invention, the DAB decoder
  • the DAB decoder 103 is used as a system decoder for use in a broadcast system.
  • the DAB decoder 103 decodes the Fast Information Channel (FIC), extracts an ensemble label, a service label, and a virtual channel number, generates a channel map from the extracted map, and may store the channel map in the first storage unit 104.
  • FIC Fast Information Channel
  • the ensemble label, the service label, and the virtual channel number serve as the Multiplex Configuration Information (MCI) information.
  • MCI Multiplex Configuration Information
  • the DAB decoder 103 can extract actual data by decoding the MSC information. If the extracted data is an audio signal, the audio signalis transmitted to the first audio decoder 105. If the extracted data is a data stream, the data stream can be transmitted to the error correction decoder 106.
  • the first audio decoder 105 decodes the encoded compression-encoded audio signal such as a MUSICAM (Masking pattern adapted Universal Sub-band Integrated Coding And Multiplexing).
  • the error correction decoder 106 corrects errors of the data stream, and outputs the resultant data stream to the MPEG-2 demultiplexer 107.
  • the MPEG-2 demultiplexer 107 performs the transport stream depacketizing, the PES (Packetized Element Stream) depacketizing, and the SL (Sync Layer) de- packetizing on the error-corrected data stream, divides the error-corrected data stream into audio data, video data, object description data, and BIFS (Binary Format for Scenes) data, such that the audio data, the video data, the object description data, and the BIFS data can be transmitted to individual data decoders 108, 109, 110, and 111, respectively.
  • PES Packetized Element Stream
  • SL Synchromas Layer
  • the above-mentioned decoders 108, 109, 110, and 111 may decode the audio data, the video data, the object description data, and the BIFS data in consideration of each data format, such that it may output the resultant data.
  • the second audio decoder 108 decodes the audio signal using the BSAC (Bit Slice Arithmetic Coding) decoding algorithm
  • the video decoder 109 decodes the video signal using the H.264 decoding algorithm.
  • the program information decoder 120 may include the packet decoder 112, the data group decoder 113, the MOT decoder 114, the binary EPG decoder 115, and the XML EPG parser 116.
  • the packet decoder 112 extracts data, having been transmitted by the transmission protocol, in packet units, and outputs the extracted data.
  • the data group decoder 113 performs grouping of the output data of the packet decoder 112, and outputs the grouping resultant data.
  • the MOT decoder 113 may configure the above- mentionedgrouping data in the form of a file format according to the Multimedia Object Transfer (MOT) algorithm, such that it may output the resultant data.
  • MOT Multimedia Object Transfer
  • the binary EPG decoder 115 performs parsing of the binary EPG syntax, such that it generates an EPG file capable of being implemented with the XML.
  • the XML EPG parser 116 performs parsing of the XML-format EPG file, such that it can output the parsing result.
  • the XML EPG parser 116 can parse the XML schema including the broadcast program information for the preview.
  • the EPG engine 121 can store the parsing result of the XML EPG parser 116 in the database (DB), and can fabricate the data stored in the DB as necessary.
  • DB database
  • the XML is used as an example for implementing the EPG.
  • the XML EPG parser 116 is used as a selective constituent element of the broadcast receiver according to the embodiment of present invention, such that there is no need for the broadcast to include the XML EPG parser 116 therein.
  • the EPG output unit 122 acting as the program information output unit may output the EPG information, which has been stored in or fabricated by the EPG engine 121, on the screen.
  • the preview selection item may be displayed on the screen via the EPG output unit 122. If the user selects the preview selection item for a specific program, the summarized content of the selected program is configured in the form of graphic data (e.g., moving images),such that the graphic data or moving images may be displayed on the screen as previously stated in FIGS. 5-6.
  • FlG. 8 is a flow chart illustrating a method for receiving broadcast information according to an embodiment of the present invention.
  • the preview information which is the summarized content of the broadcast program is generated at step SIlO.
  • the preview information is contained in the broadcast program information capable of transmitting the information associated with the broadcast program, such that the broadcast program information including the preview information is then transmitted to the user at step S 120.
  • the preview information is located at either the program element from among several elements of the above-mentioned broadcast program information or a lower element of the pro- gramGroup element, and is encoded along with the above-mentioned broadcast program information.
  • the preview information may indicate the attribute indicating a storage location of a file including the above-mentioned preview information, or may indicate a resource type of the file including the preview information.
  • the broadcast receiver receives the program information including the preview information equipped with the summarized content of the broadcast program at step S210.
  • the broadcast receiver decodes the program information, and acquires the preview information contained in the broadcastprogram information at step S220.
  • the acquired preview information is displayed on the screen if the user selects the preview fuction in the receiver at step S230.
  • the preview element used as an example of the broadcast program according to the present invention is adapted to provide the user with graphic program information. If the audio file such as an MP3 file is defined by the "url" attributes, the user who has an execution program of the audio file can audibly listen to the summarized content of the program as necessary. Mode for the Invention

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Human Computer Interaction (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

La présente invention concerne un récepteur de radiodiffusion et un procédé de transmission/réception d'informations de programme de radiodiffusion. Selon l'invention, en cas de transmission d'informations de programme de radiodiffusion, un contenu résumé d'un programme de radiodiffusion associé aux informations du programme de radiodiffusion peut être transmis avec lesdites informations de programme de radiodiffusion et un récepteur de radiodiffusion peut afficher le contenu résumé dudit programme de radiodiffusion.
EP07708947A 2006-02-16 2007-02-15 Recepteur de radiodiffusion et procede pour la transmission/reception d'informations de programme de radiodiffusion Ceased EP1987671A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020060015349A KR20070082460A (ko) 2006-02-16 2006-02-16 방송 수신 장치, 방송 프로그램 정보 송수신방법 및 방송프로그램 정보를 전송하기 위한 데이터 구조
PCT/KR2007/000797 WO2007094619A1 (fr) 2006-02-16 2007-02-15 Récepteur de radiodiffusion et procédé pour la transmission/réception d'informations de programme de radiodiffusion

Publications (2)

Publication Number Publication Date
EP1987671A1 true EP1987671A1 (fr) 2008-11-05
EP1987671A4 EP1987671A4 (fr) 2010-08-04

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EP07708947A Ceased EP1987671A4 (fr) 2006-02-16 2007-02-15 Recepteur de radiodiffusion et procede pour la transmission/reception d'informations de programme de radiodiffusion

Country Status (4)

Country Link
EP (1) EP1987671A4 (fr)
KR (1) KR20070082460A (fr)
CN (1) CN101385340B (fr)
WO (1) WO2007094619A1 (fr)

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CN101385340B (zh) 2010-10-13
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WO2007094619A1 (fr) 2007-08-23
EP1987671A4 (fr) 2010-08-04

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