EP1987672A1 - Appareil de reception d'emission, methode d'emission/reception d'informations de programme d'emission et signal de television numerique - Google Patents

Appareil de reception d'emission, methode d'emission/reception d'informations de programme d'emission et signal de television numerique

Info

Publication number
EP1987672A1
EP1987672A1 EP07708988A EP07708988A EP1987672A1 EP 1987672 A1 EP1987672 A1 EP 1987672A1 EP 07708988 A EP07708988 A EP 07708988A EP 07708988 A EP07708988 A EP 07708988A EP 1987672 A1 EP1987672 A1 EP 1987672A1
Authority
EP
European Patent Office
Prior art keywords
preview
information
program
epg
image
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Withdrawn
Application number
EP07708988A
Other languages
German (de)
English (en)
Other versions
EP1987672A4 (fr
Inventor
Sang Hyup Lee
Kyoung Soo Moon
Jin Young Choi
Sun Young Choi
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 EP1987672A1 publication Critical patent/EP1987672A1/fr
Publication of EP1987672A4 publication Critical patent/EP1987672A4/fr
Withdrawn legal-status Critical Current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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/18—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights being additional front lights
    • B60Q1/20—Fog lights
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/68—Systems specially adapted for using specific information, e.g. geographical or meteorological information
    • H04H60/72—Systems specially adapted for using specific information, e.g. geographical or meteorological information using electronic programme guides [EPG]
    • 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
    • H04N21/8549—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/30—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating rear of vehicle, e.g. by means of reflecting surfaces
    • B60Q1/302—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating rear of vehicle, e.g. by means of reflecting surfaces mounted in the vicinity, e.g. in the middle, of a rear window
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/10—Road Vehicles
    • B60Y2200/11—Passenger cars; Automobiles

Definitions

  • the present invention relates to a broadcast receiving apparatus, method of transmitting/receiving broadcast program information, and data structure for transmitting the same.
  • the present invention is suitable for a wide scope of applications, it is particularly suitable for enhancing user's convenience for using broadcastservices by providing preview information to the user.
  • the digital multimedia broadcasting is capable of transmitting video broadcast signals of video compression format and data broadcast signals for various kinds of information by extending the transmission format of the digital audio broadcasting.
  • Digital multimedia broadcasting is able to provide a user with character information using BWS (broadcast website) or DLS (dynamic label segment), traffic information by TPEG (transport protocol experts group), program information including EPG (electronic program guide), etc.
  • BWS broadcast website
  • DLS dynamic label segment
  • traffic information by TPEG transport protocol experts group
  • program information including EPG electronic program guide
  • Digital broadcasting such as the above explained digital multimedia broadcasting is capable of transmitting program information included in a broadcast signal. A viewer is then able to obtain information forprograms on channels.
  • the EPG electronic program guide
  • the program information includes information for times, genres, and the like of the respective programs.
  • 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 is directed to a broadcast receiving apparatus, method of transmitting/receiving broadcast program information, and data structure for transmitting the same that substantially obviate one or more problems due to limitations and disadvantages of the related art.
  • An object of the present invention is to provide a broadcast receivingapparatus, method of transmitting/receiving broadcast program information, and data structure for transmitting the same, by which preview information is included in program information.
  • Another object of the present invention is to provide a broadcast receivingapparatus, method of transmitting/receiving broadcast program information, and data structure for transmitting the same, by which preview information is provided by outputting a still image in a slideshow format.
  • a method of transmitting broadcast program information includes the steps of generating preview information including a summarized content of a broadcast program, inserting the preview information into an electronic program guide and transmitting the electronic program guide.
  • a method of receiving broadcast program information includes the steps of receiving program information which includes preview information containing summarized contents of a broadcast program, extracting the preview information from the program information and displaying the extracted preview information on a screen in a slideshow format.
  • an apparatus for receiving a broadcast includes a broadcast signal receiving unit receiving program information containing preview information, a program information decoder extracting the preview information containing summarized contents of a program from the received program information, an EPG engine processing the broadcast program information outputted from the program information decoder into a screen output signal; and an EPG output unit outputting the preview informationoutputted from the EPG engine in a slideshow format.
  • a digital television signal which is used by a digital television receiver to receive program guide information from a broadcast transmitter, includes an epg element containing information associated with a program and a preview element located at a lowerelement of the epg element, to implement a summary information of the program in a slideshow format.
  • a broadcast receiving apparatus, method of transmitting/receiving broadcast program information, and data structure for transmitting the same according to the present invention can allow the user to conveniently acquire broadcast program information. Also A broadcast receiving apparatus, method of transmitting/receiving broadcast program information, and data structure for transmitting the same according to the present invention allow the user to visually pre-recognize the summarized content of the program in a slideshow format.
  • Fig. 1 is a block diagram of a hierarchical structure of Servicelnformation element among elements of EPG;
  • FIG. 2 is an exemplary block diagram of a hierarchical structure of epg element
  • FIG. 3 is a diagram of a hierarchical structure of program information including a preview element according to one embodiment of the present invention
  • Fig. 4 is a diagram of detailed structure and attribute of a preview element according to one embodiment of the present invention
  • FIG. 5 is a diagram of XML structure for preview function implementation of EPG information according to one embodiment of the present invention.
  • FIG. 6 is a diagram of XML schema of mediadescription element as a child element of program type element of EPG data;
  • Fig. 7 is a diagram of a position of slidepreviewtype element
  • FIG. 8 is a diagram of a program table on a screen on which slidepreview service of
  • EPG information according to the present invention is displayed
  • FIG. 9 is a diagram of a detailed operation for executing slidepreview service of
  • FIG. 10 is a flowchart of a method of transmitting broadcast program information according to the present invention.
  • FIG. 11 is a flowchart of a method of receiving broadcast program information according to the present invention.
  • FIG. 12 is a block diagram of a broadcast receiving apparatus according to one embodiment of the present invention. Best Mode for Carrying Out the Invention
  • EPG digital multimedia broadcasting
  • EPG provides a user with program information according to channels.
  • the EPG provides program information to enable a user to viewor record a specific program using the provided information.
  • the EPG may include channels, program titles, broadcast schedules, and the like.
  • EPG is transmitted in an encoded binary format. So, the EPG is implemented by decoding the transmitted binaries or implementing the transmitted binary information into XML (extensible markup language) to be displayed on a screen.
  • XML express markup language
  • the implementation language is not limited and the XML corresponds to an embodiment.
  • EPG can be configured to include a pluralityof elements.
  • EPG implemented by XML is taken as an example to facilitate the description of the element structure of EPG.
  • the present invention is not limited to the EPG implemented by XML only.
  • EPG is able to include service information containing information for broadcasting station and channel information and program information containing information associated with program scheduling.
  • the EPG is able to include Servicelnformation element as a most upper element of the service information and epg element as a most upper element of the program information.
  • Fig. 1 is a block diagram of a hierarchical structure of Servicelnformation element among elements of EPG.
  • a number shown on each element block indicates a number of the corresponding element. For instance, '0...*' indicates that the element corresponds to a count equal to or greater than 0. '1... ⁇ indicates that the element corresponds to a count equal to or greater than 1.
  • the ensemble element can include frequency element containing frequency information and service element indicating an individual broadcast.
  • the ensemble element or the service element can include serviceNameGroup element, mediaDescription element, CA (conditionalaccess) element, keywords element, link element, etc.
  • the serviceNameGroup element can include short name, medium name, long name, and the like for ensemble.
  • the mediaDescription element contains description for ensemble.
  • the CA element can include scramble information.
  • each of the keywords element and the link element can include corresponding information.
  • the service element can include servicelD element discriminating a service, genre element indicating a genre of the service, epgLanguage element indicating a language of the service, etc.
  • the EPG data is encoded by binary numbers and then transmitted according to a multimedia object transfer (MOT) protocol.
  • MOT multimedia object transfer
  • Fig. 2 is an exemplary block diagram of a hierarchical structure of epg element.
  • epg element can include schedule element, program element, programGroups element, and alternateSource element.
  • the schedule element includes information for arranging a program in a given time range. And, the schedule element can include scope element and serviceScope element.
  • the programGroups element can be used in grouping programs and describing an event of a program within a group.
  • the alternateSource element indicates whether EPG information can be received and used from another source.
  • programGroup elementand program element below the programGroups element can include schduleNameGroup element, mediaDescription element, genre element, keywords element, memberOf element, link element, etc.
  • the mediaDescription element among the above-enumerated elements includes multimedia element to enable multimedia information for a program to be transmitted.
  • Fig. 3 is a diagram of a hierarchical structure of program information including a preview element according to one embodiment of the present invention.
  • schema of programme Type element below Program Information is explained as follows.
  • Below the programme Type element there exist schedulenamegroup, location, me- diadescription, genre, conditional access, keywords, memberof, link, and programevent elements. And, there further exists preview element to display preview information for program information by a prescribed method.
  • broadcast programinformation enabling a summary of a broadcast program to be viewed in a graphic format is named 'preview'.
  • the preview element can display a logo of each program according to a slide system to perform a preview function by displaying an image containing information of a program with a prescribed interval.
  • the preview element is not limited to this function but can perform various functions according to the slideshow format. In the drawing, a preview type meaning a preview function is shown.
  • the preview element enables a structure to be placed as a direct child element of the programme Type.
  • the preview element can be locatedbelow the medi- adescription element or the programevent element. These are just exemplary.
  • a position of the preview element can be located at a position indicating program information but is not limited to a specific embodiment. So, Fig. 3 shows various em- bodimentsof the position of the preview element simultaneously.
  • Fig. 4 is a diagram of detailed structure and attribute of a preview element according to one embodiment of the present invention
  • Fig. 5 is a diagram of XML structure for preview function implementation of EPG information according to one embodiment of the present invention.
  • preview element includes slideview element displaying preview information asa still picture according to a slideshow format and videopreview element displaying preview information as a moving picture.
  • the slideshow format preview among the preview types is taken as an example.
  • slide type display of program information is described as a slidepreview type.
  • Slideshow format means a type that a plurality of still images are outputted one by one with a prescribed interval to configure a prescribed story.
  • Information of a displayed slidepreview includes a plurality of still pictures of a specific scene of a program. In this case, it is able to configure slide images mainly with good scenes or synopsis images. Namely, by proposing schematic images of a program, it is able to help a viewer selecting a program.
  • the slidepreview type has a slideshow attribute and includes image element as a child element. In this case, the image element has various elements.
  • the preview element has a name attribute
  • the slidepreview element has an interval attribute or a previewtype attribute.
  • the slidepreview element includes image element.
  • the interval element means a time for which each image displayed in a slideshow format is displayed on a screen. One image is displayed on the screen for a time designated by the interval attribute and then turned to a next image. And, the interval can be defined as a number except a negative number.
  • the previewtype attribute (not shown in the drawing) indicates a type of a preview slide and at least one value can be given to the previewtype attribute. In particular, 0 or a positive value can be given to the previewtype. If the previewtype is set to 0, it means a case that the previewtype is not given. If the previewtype is set to a positive number, there exist a type count amounting to the positive number.
  • the previewtype is able to separate atype according to a timing point for a preview slide to indicate a synopsis of a program broadcasted in the past, at the present, or in the future, a bit rate of an image, or a resolution for standard definition or high definition.
  • a timing point for a preview slide to indicate a synopsis of a program broadcasted in the past, at the present, or in the future, a bit rate of an image, or a resolution for standard definition or high definition.
  • the image element includes information for image displayed in the slideshow format. Slide images are displayed without limitation put on its count.
  • the image element has path attribute, mimevalue attribute, and size attribute.
  • the path attribute defines an address or protocol of a resource and is represented as a string.
  • the path attribute is an attribute proposing a path of graphic providing preview information in a slideshow format. So, graphic is paged owing to the address proposed by the path attribute.
  • Any path capable of designating a path for receiving an image file us usable as the path For instance, in case of designating http, it can be transferred via Internet. In case of designating DAB, it can be transferred via broadcasting.
  • the mimevalue attribute proposes a resource type attribute.
  • the mimevalue attribute means an extension of a still image as a target of a slideshow.
  • the extension of the still image includes bmp, jpg, jpeg, or the like.
  • the size attribute can have attributes of width information and height information.
  • the width attribute indicates a horizontal size of an image and the height attribute indicates a vertical size of the image.
  • the size attribute can be defined as a number not zero.
  • the attribute is written in a loop format to display each image in a slideshow format.
  • FIG. 6 is a diagram of XML schema of mediadescription elementas a child element of program type element of EPG data.
  • Fig. 7 shows XML schema for a preview function implementation in a slideshow format of EPG information according to another embodiment of the present invention.
  • Fig. 7 is a diagram of a position of slidepreviewtype element, in which the slide- previewtype element is placed below mediadescription element.
  • the mediadescription is placed below program, programevent, and pro- gramgroup. So, by inserting slidepreviewtype below the mediadescription element, it is able to add a preview function to the program, programevent, and programgroup.
  • FIG. 8 is a diagram of a program table on a screen on which slidepreview service of
  • EPG information according to the present invention is displayed.
  • the preview image need to be turned to a sub-program instead of being displayed together with the program title, it is able to output an icon indicating a preview function together with a program to facilitate a viewer to know whether slidepreview EPG information exits. This is indicated by 'P' in Fig. 8.
  • Fig. 9 is a diagram of a detailed operation for executing slidepreview service of
  • FIG. 9 shows an embodiment for a viewer to view a slidepreview image by clicking an interesting program in executing the slidepreview service.
  • a program of MBC news is selected, character string information for the corresponding program appears. If a previewtype is selected and clicked, a slide image according to the selected previewtype is displayed.
  • previewtype 3 among previewtype 1, 2 and 3 is designated. For instance, if the previewtype 1 is assigned to preview information for a program currently broadcasted, if the previewtype 2 is assigned to preview informationfor a program broadcasted in the past, and if the preview 3 is assigned to information for a program to be broadcasted in the future, it is able to execute a preview function at a specific timing point. In the drawing, '5 seconds' indicatesthat an interval is set to 5 seconds. So, a still image is changed with a 5-second interval to be displayed in a slideshow format.
  • FIG. 10 is a flowchart of a method of transmitting broadcast program information according to the present invention.
  • a transmitting terminal generates the aforesaid preview information (S91), has the preview information included in EPG (S92), and then transmits the EPG including the preview information therein to a receiving terminal.
  • the above explanation is applied to the preview information.
  • the preview information is included in the EPG as preview element and then transmitted to the receiving terminal.
  • FIG. 11 is a flowchart of a method of receiving broadcast program information according to the present invention.
  • a receiving terminal receives program information including the preview information that contains prescribed contents of a broadcast program transmitted by a transmitting terminal (SlOl), extracts the preview informationfrom the program information (S 102), and then displays the extracted preview information on a screen in a slideshow format (S103).
  • the preview information is received by being included in the EPG as preview element for providing a preview function.
  • the preview element has an interval attribute designating a prescribed interval for displaying images. And, the images are displayed on the screed with the designated prescribed interval.
  • the preview element further executes a step of receiving a selection signal of a preview type with a previewtype attribute for designating the preview type. In particular, if a signal for selecting a user-specific type from at least one preview type, the type selected from various preview versions is displayed.
  • the preview element includes at least twoimage elements for designating an image to be displayed in a slideshow format.
  • One image elementof the at least two image elements has a path attribute for designating a path for paging a still image displayed in the slideshow format. So, the image is brought via the path designated by the path attribute and the displayed on the screen.
  • the image element has a mimevalue attribute for designating an extension of a still image and brings an image file designated extension of the still image.
  • the image element has a size attribute for designating a size of image and then brings the image of the designated size.
  • FIG. 12 is a block diagram of a broadcast receiving apparatus according to one embodiment of the present invention.
  • a broadcast receiving apparatus includes a tuner 101, a demodulating unit 102, a DAB decoder 103, a memory 104, a first audio decoder 105, an error correctingdecoder 106, an MPEG2 demux 107, a second audio decoder 108, a video decoder 109, an object descriptor (OD) decoder 110, and a BIFS (binary format for scenes) decoder 111.
  • a tuner 101 includes a tuner 101, a demodulating unit 102, a DAB decoder 103, a memory 104, a first audio decoder 105, an error correctingdecoder 106, an MPEG2 demux 107, a second audio decoder 108, a video decoder 109, an object descriptor (OD) decoder 110, and a BIFS (binary format for scenes) decoder 111.
  • OD object descriptor
  • the error correcting decoder 106, the MPEG2 demux 107, the second audio decoder 108, the video decoder 109, the OD decoder 110, and the BIFS decoder 111 occasionally configure a DMB decoder.
  • the broadcast receiving apparatus further includes a packet decoder 112, a data group decoder 113, an MOT decoder 114, a binary EPG parser 115, an XML EPG parser 116, an EPG engine 121, an EPG browser 122, and a database (DB) 123.
  • a packet decoder 112 a data group decoder 113, an MOT decoder 114, a binary EPG parser 115, an XML EPG parser 116, an EPG engine 121, an EPG browser 122, and a database (DB) 123.
  • DB database
  • the tuner 101 tunes a signal corresponding to an ensemble among broadcast signals including program information, converts the tuned signal to a baseband frequency, and then outputs the converted signal.
  • the demodulating unit 102 demodulates the frequency-converted signal into a demodulated signal according to a transmission format and then outputs a transport frame including a synchronization channel, an FIC (fast informationchannel), and an MSC (main service channel).
  • the DAB decoder 103 decodes the FIC (fast information channel), extracts an ensemble label as MCI (multiplex configuration information), a service label, and a virtual channel number assigned to the service, generates a channel map from the extracted information, and then stores the channel map in the first storage unit 104.
  • the DAB decoder 103 is able to extract real data by decoding the MSC. If the extracted data is an audio signal, the DAB decoder 103 outputs the audio signal to the first audio decoder 105. If the extracted data is a data stream, the DAB decoder 103 outputs the data stream to the error correcting decoder 106.
  • the firstaudio decoder 105 is capable of decoding and outputting an audio signal compressed and encoded by such an encoding scheme as MUSICAM (masking pattern adapted universal sub-band integrated coding and multiplexing).
  • MUSICAM maskking pattern adapted universal sub-band integrated coding and multiplexing
  • the error correcting decoder 106 performserror correction of the data stream and then outputs the error-corrected data stream to the MPEG2 demux 107.
  • the MPEG2 demux 107 performs transport stream depacketizing, PES (packetized element stream) depacketizing, SL (sync layer) depacketizing and the like on the error- corrected data stream to separate into audio, video, object description, and BIFS (binary format for scenes) data and then outputs the separated data to the corresponding decoders 108, 109, 110, and 111, respectively.
  • the decoders 108, 109, 110, and 111 decode the audio, video, object description, and BIFS (binary format for scenes) data by considering the corresponding formats and then outputs the decoded data. For instance, the second audio decoder 108 decodes the audio signal according to BSAC (bit slice arithmetic coding), and the video decoder 109 decodes the video signal according to H.264 decoding algorithm.
  • BSAC bit slice arithmetic coding
  • the program information decoder 120 can include the packet decoder 112, the data group decoder, the MOT decoder 114, the binary EPG decoder 115, and the XML EPG parser 116.
  • the packet decoder 112 extracts data transported by a transport protocol by packet unit and then outputs the extracted data.
  • the data group decoder 113 groups the data outputted from the packet decoder 112 and then outputs the grouped data.
  • the MOT decoder 113 outputs the grouped data in a file format according to MOT
  • the binary EPG decoder 115 generated an EPG file, which can be implemented as
  • the XML EPG parser 116 parses the XML-formatted EPG file and then outputs the parsed file. And, the XML EPG parser 116 is capable of parsing an XML schema including broadcast program information for preview.
  • the EPG engine 121 is cable of storing the result parsed by the XML EPG parser
  • the XML EPG parser 116 is an optional element that is not mandatory for the broadcast receiving apparatus according to the present invention.
  • the EP output unit 122 outputs the EPG information stored or processed by the
  • a preview selecting item can be displayed on the screen by the EPG output unit 122. If a user selects the preview selecting item, a summary of the corresponding program can be displayed on the screen by the slideshow browser 124 in a graphic format, and more particularly, in a slideshow format.

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

Abstract

L'invention concerne un appareil de réception d'émission, une méthode d'émission/réception d'informations de programme d'émission et une structure de données pour les transmettre par laquelle des informations de prévisualisation sont incluses dans les informations de programme et par laquelle les informations de prévisualisation figurent par sortie d'une image fixe dans un diaporama. La présente invention comprend la génération d'informations de prévisualisation incluant un contenu résumé d'un programme d'émission, l'insertion d'informations de prévisualisation dans un guide électronique de programme et l'émission du guide électronique de programme. La présente invention inclut également la réception d'informations de programme qui comprennent les informations de prévisualisation contenant des contenus résumés d'un programme d'émission, l'extraction des informations de prévisualisation des informations de programme et l'affichage des informations de prévisualisation extraites sur un écran en format diaporama.
EP07708988A 2006-02-16 2007-02-16 Appareil de reception d'emission, methode d'emission/reception d'informations de programme d'emission et signal de television numerique Withdrawn EP1987672A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020060015350A KR20070082461A (ko) 2006-02-16 2006-02-16 방송 수신 장치, 방송 프로그램 정보 송수신방법 및 방송프로그램 정보를 전송하기 위한 데이터 구조
PCT/KR2007/000838 WO2007094637A1 (fr) 2006-02-16 2007-02-16 Appareil de réception d'émission, méthode d'émission/réception d'informations de programme d'émission et signal de télévision numérique

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CN102547399B (zh) * 2010-12-20 2015-09-23 联想(北京)有限公司 终端、电子节目指南epg服务器及epg服务提供方法
JP5970160B2 (ja) 2011-01-31 2016-08-17 日本放送協会 受信装置、送信装置、放送システム及びプログラム
KR101920298B1 (ko) * 2012-07-17 2018-11-20 현대모비스 주식회사 Ｄａｂ 방송 수신 장치 및 그 ｄｍｂ 방송 수신 방법
US10270564B2 (en) 2013-03-12 2019-04-23 Huawei Technologies Co., Ltd. System and method for multi-layer protocol selection
CN105430500A (zh) * 2015-11-30 2016-03-23 努比亚技术有限公司 基于移动终端的节目自动获取方法及系统、节目播放装置

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CN101385341B (zh) 2011-04-06
EP1987672A4 (fr) 2010-08-04
KR20070082461A (ko) 2007-08-21
CN101385341A (zh) 2009-03-11

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